Fix problems that golang inspection reported (#1158)

* fix lint issues

* fix all ui-common line issues

* max warnings 0

Dockerfile

@@ -25,7 +25,18 @@ RUN npm run build
 ### Base builder image for native builds architecture
 FROM golang:1.17-alpine AS builder-native-base
 ENV CGO_ENABLED=1 GOOS=linux
-RUN apk add --no-cache libpcap-dev g++ perl-utils curl build-base binutils-gold bash
+RUN apk add --no-cache \
+    libpcap-dev \
+    g++ \
+    perl-utils \
+    curl \
+    build-base \
+    binutils-gold \
+    bash \
+    clang \
+    llvm \
+    libbpf-dev \
+    linux-headers
 COPY devops/install-capstone.sh .
 RUN ./install-capstone.sh
 
@@ -33,23 +44,27 @@ RUN ./install-capstone.sh
 ### Intermediate builder image for x86-64 to x86-64 native builds
 FROM builder-native-base AS builder-from-amd64-to-amd64
 ENV GOARCH=amd64
+ENV BPF_TARGET=amd64 BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_x86"
 
 
 ### Intermediate builder image for AArch64 to AArch64 native builds
 FROM builder-native-base AS builder-from-arm64v8-to-arm64v8
 ENV GOARCH=arm64
+ENV BPF_TARGET=arm64 BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_arm64"
 
 
 ### Builder image for x86-64 to AArch64 cross-compilation
-FROM up9inc/linux-arm64-musl-go-libpcap-capstone AS builder-from-amd64-to-arm64v8
+FROM up9inc/linux-arm64-musl-go-libpcap-capstone-bpf AS builder-from-amd64-to-arm64v8
 ENV CGO_ENABLED=1 GOOS=linux
 ENV GOARCH=arm64 CGO_CFLAGS="-I/work/libpcap -I/work/capstone/include"
+ENV BPF_TARGET=arm64 BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_arm64 -I/usr/xcc/aarch64-linux-musl-cross/aarch64-linux-musl/include/"
 
 
 ### Builder image for AArch64 to x86-64 cross-compilation
-FROM up9inc/linux-x86_64-musl-go-libpcap-capstone AS builder-from-arm64v8-to-amd64
+FROM up9inc/linux-x86_64-musl-go-libpcap-capstone-bpf AS builder-from-arm64v8-to-amd64
 ENV CGO_ENABLED=1 GOOS=linux
 ENV GOARCH=amd64 CGO_CFLAGS="-I/libpcap -I/capstone/include"
+ENV BPF_TARGET=amd64 BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_x86  -I/usr/local/musl/x86_64-unknown-linux-musl/include/"
 
 
 ### Final builder image where the build happens
@@ -88,6 +103,11 @@ ARG GIT_BRANCH
 ARG BUILD_TIMESTAMP
 ARG VER=0.0
 
+WORKDIR /app/tap/tlstapper
+
+RUN rm tlstapper_bpf*
+RUN GOARCH=${BUILDARCH} go generate tls_tapper.go
+
 WORKDIR /app/agent-build
 
 RUN go build -ldflags="-extldflags=-static -s -w \

acceptanceTests/setup.sh

@@ -57,7 +57,6 @@ kubectl expose deployment redis --type=LoadBalancer --port=6379 -n mizu-tests --
 echo "Creating rabbitmq service"
 kubectl expose deployment rabbitmq --type=LoadBalancer --port=5672 -n mizu-tests --dry-run=client -o yaml | kubectl apply -f -
 
-# TODO: need to understand how to fail if address already in use
 echo "Starting proxy"
 rm -f ${PROXY_LOG}
 kubectl proxy --port=8080 > ${PROXY_LOG} &
@@ -78,7 +77,6 @@ minikube image load "${MIZU_CI_IMAGE}"
 echo "Build cli"
 cd cli && make build GIT_BRANCH=ci SUFFIX=ci
 
-# TODO: need to understand how to fail if password is asked (sudo)
 echo "Starting tunnel"
 rm -f ${TUNNEL_LOG}
 minikube tunnel > ${TUNNEL_LOG} &

acceptanceTests/testsUtils.go

@@ -6,10 +6,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/client-go/kubernetes"
-	"k8s.io/client-go/tools/clientcmd"
-	"k8s.io/client-go/util/homedir"
 	"net/http"
 	"os"
 	"os/exec"
@@ -20,6 +16,11 @@ import (
 	"testing"
 	"time"
 
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/client-go/util/homedir"
+
 	"github.com/up9inc/mizu/shared"
 )
 
@@ -175,7 +176,7 @@ func ApplyKubeFilesForTest(t *testing.T, kubeContext string, namespace string, f
 	return nil
 }
 
-func ApplyKubeFile(kubeContext string, namespace string, filename string) (error) {
+func ApplyKubeFile(kubeContext string, namespace string, filename string) error {
 	cmdArgs := []string{
 		"apply",
 		"--context", kubeContext,

agent/pkg/api/contract_validation.go

@@ -24,13 +24,13 @@ const (
 
 func loadOAS(ctx context.Context) (doc *openapi3.T, contractContent string, router routers.Router, err error) {
 	path := fmt.Sprintf("%s%s", shared.ConfigDirPath, shared.ContractFileName)
-	bytes, err := ioutil.ReadFile(path)
+	bytesValue, err := ioutil.ReadFile(path)
 	if err != nil {
 		return
 	}
-	contractContent = string(bytes)
+	contractContent = string(bytesValue)
 	loader := &openapi3.Loader{Context: ctx}
-	doc, _ = loader.LoadFromData(bytes)
+	doc, _ = loader.LoadFromData(bytesValue)
 	err = doc.Validate(ctx)
 	if err != nil {
 		return

agent/pkg/api/main.go

@@ -11,16 +11,15 @@ import (
 	"strings"
 	"time"
 
-	"github.com/up9inc/mizu/agent/pkg/models"
-
 	"github.com/up9inc/mizu/agent/pkg/dependency"
+	"github.com/up9inc/mizu/agent/pkg/models"
+	"github.com/up9inc/mizu/agent/pkg/oas"
+	"github.com/up9inc/mizu/agent/pkg/servicemap"
+
 	"github.com/up9inc/mizu/agent/pkg/har"
 	"github.com/up9inc/mizu/agent/pkg/holder"
 	"github.com/up9inc/mizu/agent/pkg/providers"
 
-	"github.com/up9inc/mizu/agent/pkg/oas"
-	"github.com/up9inc/mizu/agent/pkg/servicemap"
-
 	"github.com/up9inc/mizu/agent/pkg/resolver"
 	"github.com/up9inc/mizu/agent/pkg/utils"
 
@@ -112,7 +111,7 @@ func startReadingChannel(outputItems <-chan *tapApi.OutputChannelItem, extension
 		extension := extensionsMap[item.Protocol.Name]
 		resolvedSource, resolvedDestionation, namespace := resolveIP(item.ConnectionInfo)
 
-		if namespace == "" && item.Namespace != tapApi.UNKNOWN_NAMESPACE {
+		if namespace == "" && item.Namespace != tapApi.UnknownNamespace {
 			namespace = item.Namespace
 		}
 
@@ -144,13 +143,14 @@ func startReadingChannel(outputItems <-chan *tapApi.OutputChannelItem, extension
 			continue
 		}
 
-		providers.EntryAdded(len(data))
-
 		entryInserter := dependency.GetInstance(dependency.EntriesInserter).(EntryInserter)
 		if err := entryInserter.Insert(mizuEntry); err != nil {
 			logger.Log.Errorf("Error inserting entry, err: %v", err)
 		}
 
+		summary := extension.Dissector.Summarize(mizuEntry)
+		providers.EntryAdded(len(data), summary)
+
 		serviceMapGenerator := dependency.GetInstance(dependency.ServiceMapGeneratorDependency).(servicemap.ServiceMapSink)
 		serviceMapGenerator.NewTCPEntry(mizuEntry.Source, mizuEntry.Destination, &item.Protocol)
 

agent/pkg/controllers/entries_controller.go

@@ -44,10 +44,10 @@ func GetEntries(c *gin.Context) {
 	}
 
 	entriesProvider := dependency.GetInstance(dependency.EntriesProvider).(entries.EntriesProvider)
-	entries, metadata, err := entriesProvider.GetEntries(entriesRequest)
+	entryWrappers, metadata, err := entriesProvider.GetEntries(entriesRequest)
 	if !HandleEntriesError(c, err) {
 		baseEntries := make([]interface{}, 0)
-		for _, entry := range entries {
+		for _, entry := range entryWrappers {
 			baseEntries = append(baseEntries, entry.Base)
 		}
 		c.JSON(http.StatusOK, models.EntriesResponse{

agent/pkg/controllers/status_controller.go

@@ -79,6 +79,15 @@ func GetGeneralStats(c *gin.Context) {
 	c.JSON(http.StatusOK, providers.GetGeneralStats())
 }
 
+func GetAccumulativeStats(c *gin.Context) {
+	c.JSON(http.StatusOK, providers.GetAccumulativeStats())
+}
+
+func GetAccumulativeStatsTiming(c *gin.Context) {
+	// for now hardcoded 10 bars of 5 minutes interval
+	c.JSON(http.StatusOK, providers.GetAccumulativeStatsTiming(300, 10))
+}
+
 func GetCurrentResolvingInformation(c *gin.Context) {
 	c.JSON(http.StatusOK, holder.GetResolver().GetMap())
 }

agent/pkg/dependency/container.go

@@ -1,11 +1,11 @@
 package dependency
 
-var typeIntializerMap = make(map[DependencyContainerType]func() interface{}, 0)
+var typeInitializerMap = make(map[ContainerType]func() interface{}, 0)
 
-func RegisterGenerator(name DependencyContainerType, fn func() interface{}) {
-	typeIntializerMap[name] = fn
+func RegisterGenerator(name ContainerType, fn func() interface{}) {
+	typeInitializerMap[name] = fn
 }
 
-func GetInstance(name DependencyContainerType) interface{} {
-	return typeIntializerMap[name]()
+func GetInstance(name ContainerType) interface{} {
+	return typeInitializerMap[name]()
 }

agent/pkg/dependency/type_names.go

@@ -1,12 +1,12 @@
 package dependency
 
-type DependencyContainerType string
+type ContainerType string
 
 const (
-	ServiceMapGeneratorDependency = "ServiceMapGeneratorDependency"
-	OasGeneratorDependency        = "OasGeneratorDependency"
-	EntriesInserter               = "EntriesInserter"
-	EntriesProvider               = "EntriesProvider"
-	EntriesSocketStreamer         = "EntriesSocketStreamer"
-	EntryStreamerSocketConnector  = "EntryStreamerSocketConnector"
+	ServiceMapGeneratorDependency ContainerType = "ServiceMapGeneratorDependency"
+	OasGeneratorDependency        ContainerType = "OasGeneratorDependency"
+	EntriesInserter               ContainerType = "EntriesInserter"
+	EntriesProvider               ContainerType = "EntriesProvider"
+	EntriesSocketStreamer         ContainerType = "EntriesSocketStreamer"
+	EntryStreamerSocketConnector  ContainerType = "EntryStreamerSocketConnector"
 )

agent/pkg/providers/stats_provider.go

@@ -2,7 +2,12 @@ package providers
 
 import (
 	"reflect"
+	"sync"
 	"time"
+
+	"github.com/jinzhu/copier"
+	"github.com/up9inc/mizu/logger"
+	"github.com/up9inc/mizu/tap/api"
 )
 
 type GeneralStats struct {
@@ -12,7 +17,49 @@ type GeneralStats struct {
 	LastEntryTimestamp  int
 }
 
-var generalStats = GeneralStats{}
+type BucketStats []*TimeFrameStatsValue
+
+type TimeFrameStatsValue struct {
+	BucketTime    time.Time                `json:"timestamp"`
+	ProtocolStats map[string]ProtocolStats `json:"protocols"`
+}
+
+type ProtocolStats struct {
+	MethodsStats map[string]*SizeAndEntriesCount `json:"methods"`
+	Color        string                          `json:"color"`
+}
+
+type SizeAndEntriesCount struct {
+	EntriesCount  int `json:"entriesCount"`
+	VolumeInBytes int `json:"volumeInBytes"`
+}
+
+type AccumulativeStatsCounter struct {
+	Name            string `json:"name"`
+	EntriesCount    int    `json:"entriesCount"`
+	VolumeSizeBytes int    `json:"volumeSizeBytes"`
+}
+
+type AccumulativeStatsProtocol struct {
+	AccumulativeStatsCounter
+	Color   string                      `json:"color"`
+	Methods []*AccumulativeStatsCounter `json:"methods"`
+}
+
+type AccumulativeStatsProtocolTime struct {
+	ProtocolsData []*AccumulativeStatsProtocol `json:"protocols"`
+	Time          int64                        `json:"timestamp"`
+}
+
+var (
+	generalStats      = GeneralStats{}
+	bucketsStats      = BucketStats{}
+	bucketStatsLocker = sync.Mutex{}
+)
+
+const (
+	InternalBucketThreshold = time.Minute * 1
+)
 
 func ResetGeneralStats() {
 	generalStats = GeneralStats{}
@@ -22,7 +69,31 @@ func GetGeneralStats() GeneralStats {
 	return generalStats
 }
 
-func EntryAdded(size int) {
+func GetAccumulativeStats() []*AccumulativeStatsProtocol {
+	bucketStatsCopy := getBucketStatsCopy()
+	if len(bucketStatsCopy) == 0 {
+		return make([]*AccumulativeStatsProtocol, 0)
+	}
+
+	methodsPerProtocolAggregated, protocolToColor := getAggregatedStatsAllTime(bucketStatsCopy)
+
+	return convertAccumulativeStatsDictToArray(methodsPerProtocolAggregated, protocolToColor)
+}
+
+func GetAccumulativeStatsTiming(intervalSeconds int, numberOfBars int) []*AccumulativeStatsProtocolTime {
+	bucketStatsCopy := getBucketStatsCopy()
+	if len(bucketStatsCopy) == 0 {
+		return make([]*AccumulativeStatsProtocolTime, 0)
+	}
+
+	firstBucketTime := getFirstBucketTime(time.Now().UTC(), intervalSeconds, numberOfBars)
+
+	methodsPerProtocolPerTimeAggregated, protocolToColor := getAggregatedResultTimingFromSpecificTime(intervalSeconds, bucketStatsCopy, firstBucketTime)
+
+	return convertAccumulativeStatsTimelineDictToArray(methodsPerProtocolPerTimeAggregated, protocolToColor)
+}
+
+func EntryAdded(size int, summery *api.BaseEntry) {
 	generalStats.EntriesCount++
 	generalStats.EntriesVolumeInGB += float64(size) / (1 << 30)
 
@@ -32,5 +103,186 @@ func EntryAdded(size int) {
 		generalStats.FirstEntryTimestamp = currentTimestamp
 	}
 
+	addToBucketStats(size, summery)
+
 	generalStats.LastEntryTimestamp = currentTimestamp
 }
+
+func addToBucketStats(size int, summery *api.BaseEntry) {
+	entryTimeBucketRounded := getBucketFromTimeStamp(summery.Timestamp)
+
+	if len(bucketsStats) == 0 {
+		bucketsStats = append(bucketsStats, &TimeFrameStatsValue{
+			BucketTime:    entryTimeBucketRounded,
+			ProtocolStats: map[string]ProtocolStats{},
+		})
+	}
+	bucketOfEntry := bucketsStats[len(bucketsStats)-1]
+	if bucketOfEntry.BucketTime != entryTimeBucketRounded {
+		bucketOfEntry = &TimeFrameStatsValue{
+			BucketTime:    entryTimeBucketRounded,
+			ProtocolStats: map[string]ProtocolStats{},
+		}
+		bucketsStats = append(bucketsStats, bucketOfEntry)
+	}
+	if _, found := bucketOfEntry.ProtocolStats[summery.Protocol.Abbreviation]; !found {
+		bucketOfEntry.ProtocolStats[summery.Protocol.Abbreviation] = ProtocolStats{
+			MethodsStats: map[string]*SizeAndEntriesCount{},
+			Color:        summery.Protocol.BackgroundColor,
+		}
+	}
+	if _, found := bucketOfEntry.ProtocolStats[summery.Protocol.Abbreviation].MethodsStats[summery.Method]; !found {
+		bucketOfEntry.ProtocolStats[summery.Protocol.Abbreviation].MethodsStats[summery.Method] = &SizeAndEntriesCount{
+			VolumeInBytes: 0,
+			EntriesCount:  0,
+		}
+	}
+
+	bucketOfEntry.ProtocolStats[summery.Protocol.Abbreviation].MethodsStats[summery.Method].EntriesCount += 1
+	bucketOfEntry.ProtocolStats[summery.Protocol.Abbreviation].MethodsStats[summery.Method].VolumeInBytes += size
+}
+
+func getBucketFromTimeStamp(timestamp int64) time.Time {
+	entryTimeStampAsTime := time.UnixMilli(timestamp)
+	return entryTimeStampAsTime.Add(-1 * InternalBucketThreshold / 2).Round(InternalBucketThreshold)
+}
+
+func getFirstBucketTime(endTime time.Time, intervalSeconds int, numberOfBars int) time.Time {
+	lastBucketTime := endTime.Add(-1 * time.Second * time.Duration(intervalSeconds) / 2).Round(time.Second * time.Duration(intervalSeconds))
+	firstBucketTime := lastBucketTime.Add(-1 * time.Second * time.Duration(intervalSeconds*(numberOfBars-1)))
+	return firstBucketTime
+}
+
+func convertAccumulativeStatsTimelineDictToArray(methodsPerProtocolPerTimeAggregated map[time.Time]map[string]map[string]*AccumulativeStatsCounter, protocolToColor map[string]string) []*AccumulativeStatsProtocolTime {
+	finalResult := make([]*AccumulativeStatsProtocolTime, 0)
+	for timeKey, item := range methodsPerProtocolPerTimeAggregated {
+		protocolsData := make([]*AccumulativeStatsProtocol, 0)
+		for protocolName := range item {
+			entriesCount := 0
+			volumeSizeBytes := 0
+			methods := make([]*AccumulativeStatsCounter, 0)
+			for _, methodAccData := range methodsPerProtocolPerTimeAggregated[timeKey][protocolName] {
+				entriesCount += methodAccData.EntriesCount
+				volumeSizeBytes += methodAccData.VolumeSizeBytes
+				methods = append(methods, methodAccData)
+			}
+			protocolsData = append(protocolsData, &AccumulativeStatsProtocol{
+				AccumulativeStatsCounter: AccumulativeStatsCounter{
+					Name:            protocolName,
+					EntriesCount:    entriesCount,
+					VolumeSizeBytes: volumeSizeBytes,
+				},
+				Color:   protocolToColor[protocolName],
+				Methods: methods,
+			})
+		}
+		finalResult = append(finalResult, &AccumulativeStatsProtocolTime{
+			Time:          timeKey.UnixMilli(),
+			ProtocolsData: protocolsData,
+		})
+	}
+	return finalResult
+}
+
+func convertAccumulativeStatsDictToArray(methodsPerProtocolAggregated map[string]map[string]*AccumulativeStatsCounter, protocolToColor map[string]string) []*AccumulativeStatsProtocol {
+	protocolsData := make([]*AccumulativeStatsProtocol, 0)
+	for protocolName, value := range methodsPerProtocolAggregated {
+		entriesCount := 0
+		volumeSizeBytes := 0
+		methods := make([]*AccumulativeStatsCounter, 0)
+		for _, methodAccData := range value {
+			entriesCount += methodAccData.EntriesCount
+			volumeSizeBytes += methodAccData.VolumeSizeBytes
+			methods = append(methods, methodAccData)
+		}
+		protocolsData = append(protocolsData, &AccumulativeStatsProtocol{
+			AccumulativeStatsCounter: AccumulativeStatsCounter{
+				Name:            protocolName,
+				EntriesCount:    entriesCount,
+				VolumeSizeBytes: volumeSizeBytes,
+			},
+			Color:   protocolToColor[protocolName],
+			Methods: methods,
+		})
+	}
+	return protocolsData
+}
+
+func getBucketStatsCopy() BucketStats {
+	bucketStatsCopy := BucketStats{}
+	bucketStatsLocker.Lock()
+	if err := copier.Copy(&bucketStatsCopy, bucketsStats); err != nil {
+		logger.Log.Errorf("Error while copying src stats into temporary copied object")
+		return nil
+	}
+	bucketStatsLocker.Unlock()
+	return bucketStatsCopy
+}
+
+func getAggregatedResultTimingFromSpecificTime(intervalSeconds int, bucketStats BucketStats, firstBucketTime time.Time) (map[time.Time]map[string]map[string]*AccumulativeStatsCounter, map[string]string) {
+	protocolToColor := map[string]string{}
+	methodsPerProtocolPerTimeAggregated := map[time.Time]map[string]map[string]*AccumulativeStatsCounter{}
+
+	bucketStatsIndex := len(bucketStats) - 1
+	for bucketStatsIndex >= 0 {
+		currentBucketTime := bucketStats[bucketStatsIndex].BucketTime
+		if currentBucketTime.After(firstBucketTime) || currentBucketTime.Equal(firstBucketTime) {
+			resultBucketRoundedKey := currentBucketTime.Add(-1 * time.Second * time.Duration(intervalSeconds) / 2).Round(time.Second * time.Duration(intervalSeconds))
+
+			for protocolName, data := range bucketStats[bucketStatsIndex].ProtocolStats {
+				if _, ok := protocolToColor[protocolName]; !ok {
+					protocolToColor[protocolName] = data.Color
+				}
+
+				for methodName, dataOfMethod := range data.MethodsStats {
+
+					if _, ok := methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey]; !ok {
+						methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey] = map[string]map[string]*AccumulativeStatsCounter{}
+					}
+					if _, ok := methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey][protocolName]; !ok {
+						methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey][protocolName] = map[string]*AccumulativeStatsCounter{}
+					}
+					if _, ok := methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey][protocolName][methodName]; !ok {
+						methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey][protocolName][methodName] = &AccumulativeStatsCounter{
+							Name:            methodName,
+							EntriesCount:    0,
+							VolumeSizeBytes: 0,
+						}
+					}
+					methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey][protocolName][methodName].EntriesCount += dataOfMethod.EntriesCount
+					methodsPerProtocolPerTimeAggregated[resultBucketRoundedKey][protocolName][methodName].VolumeSizeBytes += dataOfMethod.VolumeInBytes
+				}
+			}
+		}
+		bucketStatsIndex--
+	}
+	return methodsPerProtocolPerTimeAggregated, protocolToColor
+}
+
+func getAggregatedStatsAllTime(bucketStatsCopy BucketStats) (map[string]map[string]*AccumulativeStatsCounter, map[string]string) {
+	protocolToColor := make(map[string]string, 0)
+	methodsPerProtocolAggregated := make(map[string]map[string]*AccumulativeStatsCounter, 0)
+	for _, countersOfTimeFrame := range bucketStatsCopy {
+		for protocolName, value := range countersOfTimeFrame.ProtocolStats {
+			if _, ok := protocolToColor[protocolName]; !ok {
+				protocolToColor[protocolName] = value.Color
+			}
+
+			for method, countersValue := range value.MethodsStats {
+				if _, found := methodsPerProtocolAggregated[protocolName]; !found {
+					methodsPerProtocolAggregated[protocolName] = map[string]*AccumulativeStatsCounter{}
+				}
+				if _, found := methodsPerProtocolAggregated[protocolName][method]; !found {
+					methodsPerProtocolAggregated[protocolName][method] = &AccumulativeStatsCounter{
+						Name:            method,
+						EntriesCount:    0,
+						VolumeSizeBytes: 0,
+					}
+				}
+				methodsPerProtocolAggregated[protocolName][method].EntriesCount += countersValue.EntriesCount
+				methodsPerProtocolAggregated[protocolName][method].VolumeSizeBytes += countersValue.VolumeInBytes
+			}
+		}
+	}
+	return methodsPerProtocolAggregated, protocolToColor
+}

agent/pkg/providers/stats_provider_internal_test.go

@@ -0,0 +1,331 @@
+package providers
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+	"time"
+)
+
+func TestGetBucketOfTimeStamp(t *testing.T) {
+	tests := map[int64]time.Time{
+		time.Date(2022, time.Month(1), 1, 10, 34, 45, 0, time.Local).UnixMilli(): time.Date(2022, time.Month(1), 1, 10, 34, 00, 0, time.Local),
+		time.Date(2022, time.Month(1), 1, 10, 34, 00, 0, time.Local).UnixMilli(): time.Date(2022, time.Month(1), 1, 10, 34, 00, 0, time.Local),
+		time.Date(2022, time.Month(1), 1, 10, 59, 01, 0, time.Local).UnixMilli(): time.Date(2022, time.Month(1), 1, 10, 59, 00, 0, time.Local),
+	}
+
+	for key, value := range tests {
+		t.Run(fmt.Sprintf("%v", key), func(t *testing.T) {
+
+			actual := getBucketFromTimeStamp(key)
+
+			if actual != value {
+				t.Errorf("unexpected result - expected: %v, actual: %v", value, actual)
+			}
+		})
+	}
+}
+
+type DataForBucketBorderFunction struct {
+	EndTime           time.Time
+	IntervalInSeconds int
+	NumberOfBars      int
+}
+
+func TestGetBucketBorders(t *testing.T) {
+	tests := map[DataForBucketBorderFunction]time.Time{
+		DataForBucketBorderFunction{
+			time.Date(2022, time.Month(1), 1, 10, 34, 45, 0, time.UTC),
+			300,
+			10,
+		}: time.Date(2022, time.Month(1), 1, 9, 45, 0, 0, time.UTC),
+		DataForBucketBorderFunction{
+			time.Date(2022, time.Month(1), 1, 10, 35, 45, 0, time.UTC),
+			60,
+			5,
+		}: time.Date(2022, time.Month(1), 1, 10, 31, 00, 0, time.UTC),
+	}
+
+	for key, value := range tests {
+		t.Run(fmt.Sprintf("%v", key), func(t *testing.T) {
+
+			actual := getFirstBucketTime(key.EndTime, key.IntervalInSeconds, key.NumberOfBars)
+
+			if actual != value {
+				t.Errorf("unexpected result - expected: %v, actual: %v", value, actual)
+			}
+		})
+	}
+}
+
+func TestGetAggregatedStatsAllTime(t *testing.T) {
+	bucketStatsForTest := BucketStats{
+		&TimeFrameStatsValue{
+			BucketTime: time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC),
+			ProtocolStats: map[string]ProtocolStats{
+				"http": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"get": {
+							EntriesCount:  1,
+							VolumeInBytes: 2,
+						},
+						"post": {
+							EntriesCount:  2,
+							VolumeInBytes: 3,
+						},
+					},
+				},
+				"kafka": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"listTopics": {
+							EntriesCount:  5,
+							VolumeInBytes: 6,
+						},
+					},
+				},
+			},
+		},
+		&TimeFrameStatsValue{
+			BucketTime: time.Date(2022, time.Month(1), 1, 10, 01, 00, 0, time.UTC),
+			ProtocolStats: map[string]ProtocolStats{
+				"http": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"get": {
+							EntriesCount:  1,
+							VolumeInBytes: 2,
+						},
+						"post": {
+							EntriesCount:  2,
+							VolumeInBytes: 3,
+						},
+					},
+				},
+				"redis": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"set": {
+							EntriesCount:  5,
+							VolumeInBytes: 6,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	expected := map[string]map[string]*AccumulativeStatsCounter{
+		"http": {
+			"post": {
+				Name:            "post",
+				EntriesCount:    4,
+				VolumeSizeBytes: 6,
+			},
+			"get": {
+				Name:            "get",
+				EntriesCount:    2,
+				VolumeSizeBytes: 4,
+			},
+		},
+		"kafka": {
+			"listTopics": {
+				Name:            "listTopics",
+				EntriesCount:    5,
+				VolumeSizeBytes: 6,
+			},
+		},
+		"redis": {
+			"set": {
+				Name:            "set",
+				EntriesCount:    5,
+				VolumeSizeBytes: 6,
+			},
+		},
+	}
+	actual, _ := getAggregatedStatsAllTime(bucketStatsForTest)
+
+	if !reflect.DeepEqual(actual, expected) {
+		t.Errorf("unexpected result - expected: %v, actual: %v", 3, len(actual))
+	}
+}
+
+func TestGetAggregatedStatsFromSpecificTime(t *testing.T) {
+	bucketStatsForTest := BucketStats{
+		&TimeFrameStatsValue{
+			BucketTime: time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC),
+			ProtocolStats: map[string]ProtocolStats{
+				"http": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"get": {
+							EntriesCount:  1,
+							VolumeInBytes: 2,
+						},
+					},
+				},
+				"kafka": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"listTopics": {
+							EntriesCount:  5,
+							VolumeInBytes: 6,
+						},
+					},
+				},
+			},
+		},
+		&TimeFrameStatsValue{
+			BucketTime: time.Date(2022, time.Month(1), 1, 10, 01, 00, 0, time.UTC),
+			ProtocolStats: map[string]ProtocolStats{
+				"http": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"get": {
+							EntriesCount:  1,
+							VolumeInBytes: 2,
+						},
+						"post": {
+							EntriesCount:  2,
+							VolumeInBytes: 3,
+						},
+					},
+				},
+				"redis": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"set": {
+							EntriesCount:  5,
+							VolumeInBytes: 6,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	expected := map[time.Time]map[string]map[string]*AccumulativeStatsCounter{
+		time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC): {
+			"http": {
+				"post": {
+					Name:            "post",
+					EntriesCount:    2,
+					VolumeSizeBytes: 3,
+				},
+				"get": {
+					Name:            "get",
+					EntriesCount:    2,
+					VolumeSizeBytes: 4,
+				},
+			},
+			"kafka": {
+				"listTopics": {
+					Name:            "listTopics",
+					EntriesCount:    5,
+					VolumeSizeBytes: 6,
+				},
+			},
+			"redis": {
+				"set": {
+					Name:            "set",
+					EntriesCount:    5,
+					VolumeSizeBytes: 6,
+				},
+			},
+		},
+	}
+	actual, _ := getAggregatedResultTimingFromSpecificTime(300, bucketStatsForTest, time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC))
+
+	if !reflect.DeepEqual(actual, expected) {
+		t.Errorf("unexpected result - expected: %v, actual: %v", 3, len(actual))
+	}
+}
+
+func TestGetAggregatedStatsFromSpecificTimeMultipleBuckets(t *testing.T) {
+	bucketStatsForTest := BucketStats{
+		&TimeFrameStatsValue{
+			BucketTime: time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC),
+			ProtocolStats: map[string]ProtocolStats{
+				"http": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"get": {
+							EntriesCount:  1,
+							VolumeInBytes: 2,
+						},
+					},
+				},
+				"kafka": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"listTopics": {
+							EntriesCount:  5,
+							VolumeInBytes: 6,
+						},
+					},
+				},
+			},
+		},
+		&TimeFrameStatsValue{
+			BucketTime: time.Date(2022, time.Month(1), 1, 10, 01, 00, 0, time.UTC),
+			ProtocolStats: map[string]ProtocolStats{
+				"http": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"get": {
+							EntriesCount:  1,
+							VolumeInBytes: 2,
+						},
+						"post": {
+							EntriesCount:  2,
+							VolumeInBytes: 3,
+						},
+					},
+				},
+				"redis": {
+					MethodsStats: map[string]*SizeAndEntriesCount{
+						"set": {
+							EntriesCount:  5,
+							VolumeInBytes: 6,
+						},
+					},
+				},
+			},
+		},
+	}
+
+	expected := map[time.Time]map[string]map[string]*AccumulativeStatsCounter{
+		time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC): {
+			"http": {
+				"get": {
+					Name:            "get",
+					EntriesCount:    1,
+					VolumeSizeBytes: 2,
+				},
+			},
+			"kafka": {
+				"listTopics": {
+					Name:            "listTopics",
+					EntriesCount:    5,
+					VolumeSizeBytes: 6,
+				},
+			},
+		},
+		time.Date(2022, time.Month(1), 1, 10, 01, 00, 0, time.UTC): {
+			"http": {
+				"post": {
+					Name:            "post",
+					EntriesCount:    2,
+					VolumeSizeBytes: 3,
+				},
+				"get": {
+					Name:            "get",
+					EntriesCount:    1,
+					VolumeSizeBytes: 2,
+				},
+			},
+			"redis": {
+				"set": {
+					Name:            "set",
+					EntriesCount:    5,
+					VolumeSizeBytes: 6,
+				},
+			},
+		},
+	}
+	actual, _ := getAggregatedResultTimingFromSpecificTime(60, bucketStatsForTest, time.Date(2022, time.Month(1), 1, 10, 00, 00, 0, time.UTC))
+
+	if !reflect.DeepEqual(actual, expected) {
+		t.Errorf("unexpected result - expected: %v, actual: %v", 3, len(actual))
+	}
+}

agent/pkg/providers/stats_provider_test.go

@@ -3,8 +3,10 @@ package providers_test
 import (
 	"fmt"
 	"testing"
+	"time"
 
 	"github.com/up9inc/mizu/agent/pkg/providers"
+	"github.com/up9inc/mizu/tap/api"
 )
 
 func TestNoEntryAddedCount(t *testing.T) {
@@ -22,10 +24,13 @@ func TestNoEntryAddedCount(t *testing.T) {
 func TestEntryAddedCount(t *testing.T) {
 	tests := []int{1, 5, 10, 100, 500, 1000}
 
+	entryBucketKey := time.Date(2021, 1, 1, 10, 0, 0, 0, time.UTC)
+	valueLessThanBucketThreshold := time.Second * 130
+	mockSummery := &api.BaseEntry{Protocol: api.Protocol{Name: "mock"}, Method: "mock-method", Timestamp: entryBucketKey.Add(valueLessThanBucketThreshold).UnixNano()}
 	for _, entriesCount := range tests {
 		t.Run(fmt.Sprintf("%d", entriesCount), func(t *testing.T) {
 			for i := 0; i < entriesCount; i++ {
-				providers.EntryAdded(0)
+				providers.EntryAdded(0, mockSummery)
 			}
 
 			entriesStats := providers.GetGeneralStats()
@@ -38,7 +43,14 @@ func TestEntryAddedCount(t *testing.T) {
 				t.Errorf("unexpected result - expected: %v, actual: %v", 0, entriesStats.EntriesVolumeInGB)
 			}
 
-			t.Cleanup(providers.ResetGeneralStats)
+			t.Cleanup(func() {
+				providers.ResetGeneralStats()
+				generalStats := providers.GetGeneralStats()
+				if generalStats.EntriesCount != 0 {
+					t.Errorf("unexpected result - expected: %v, actual: %v", 0, generalStats.EntriesCount)
+				}
+
+			})
 		})
 	}
 }
@@ -49,12 +61,14 @@ func TestEntryAddedVolume(t *testing.T) {
 	var expectedEntriesCount int
 	var expectedVolumeInGB float64
 
+	mockSummery := &api.BaseEntry{Protocol: api.Protocol{Name: "mock"}, Method: "mock-method", Timestamp: time.Date(2021, 1, 1, 10, 0, 0, 0, time.UTC).UnixNano()}
+
 	for _, data := range tests {
 		t.Run(fmt.Sprintf("%d", len(data)), func(t *testing.T) {
 			expectedEntriesCount++
 			expectedVolumeInGB += float64(len(data)) / (1 << 30)
 
-			providers.EntryAdded(len(data))
+			providers.EntryAdded(len(data), mockSummery)
 
 			entriesStats := providers.GetGeneralStats()
 
@@ -67,5 +81,4 @@ func TestEntryAddedVolume(t *testing.T) {
 			}
 		})
 	}
-
 }

agent/pkg/providers/tappedPods/tapped_pods_provider.go

@@ -44,9 +44,10 @@ func Set(tappedPodsToSet []*shared.PodInfo) {
 
 func GetTappedPodsStatus() []shared.TappedPodStatus {
 	tappedPodsStatus := make([]shared.TappedPodStatus, 0)
+	tapperStatus := tappers.GetStatus()
 	for _, pod := range Get() {
 		var status string
-		if tapperStatus, ok := tappers.GetStatus()[pod.NodeName]; ok {
+		if tapperStatus, ok := tapperStatus[pod.NodeName]; ok {
 			status = strings.ToLower(tapperStatus.Status)
 		}
 

agent/pkg/resolver/go.sum

@@ -1,522 +0,0 @@
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-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
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-cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
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-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
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-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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-google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0 h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
-gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3 h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.21.0 h1:gu5iGF4V6tfVCQ/R+8Hc0h7H1JuEhzyEi9S4R5LM8+Y=
-k8s.io/api v0.21.0/go.mod h1:+YbrhBBGgsxbF6o6Kj4KJPJnBmAKuXDeS3E18bgHNVU=
-k8s.io/apimachinery v0.21.0 h1:3Fx+41if+IRavNcKOz09FwEXDBG6ORh6iMsTSelhkMA=
-k8s.io/apimachinery v0.21.0/go.mod h1:jbreFvJo3ov9rj7eWT7+sYiRx+qZuCYXwWT1bcDswPY=
-k8s.io/client-go v0.21.0 h1:n0zzzJsAQmJngpC0IhgFcApZyoGXPrDIAD601HD09ag=
-k8s.io/client-go v0.21.0/go.mod h1:nNBytTF9qPFDEhoqgEPaarobC8QPae13bElIVHzIglA=
-k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac h1:sAvhNk5RRuc6FNYGqe7Ygz3PSo/2wGWbulskmzRX8Vs=
-k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
-k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
-k8s.io/klog/v2 v2.8.0 h1:Q3gmuM9hKEjefWFFYF0Mat+YyFJvsUyYuwyNNJ5C9Ts=
-k8s.io/klog/v2 v2.8.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec=
-k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7 h1:vEx13qjvaZ4yfObSSXW7BrMc/KQBBT/Jyee8XtLf4x0=
-k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iLV8FpR2uDvrFyomxbtb1KivDbvPTE=
-k8s.io/utils v0.0.0-20201110183641-67b214c5f920 h1:CbnUZsM497iRC5QMVkHwyl8s2tB3g7yaSHkYPkpgelw=
-k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-rsc.io/binaryregexp v0.2.0 h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0 h1:9JKUTTIUgS6kzR9mK1YuGKv6Nl+DijDNIc0ghT58FaY=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0 h1:7uVkIFmeBqHfdjD+gZwtXXI+RODJ2Wc4O7MPEh/QiW4=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/structured-merge-diff/v4 v4.1.0 h1:C4r9BgJ98vrKnnVCjwCSXcWjWe0NKcUQkmzDXZXGwH8=
-sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
-sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

agent/pkg/resolver/loader.go

@@ -15,9 +15,9 @@ func NewFromInCluster(errOut chan error, namespace string) (*Resolver, error) {
 	if err != nil {
 		return nil, err
 	}
-	clientset, err := kubernetes.NewForConfig(config)
+	clientSet, err := kubernetes.NewForConfig(config)
 	if err != nil {
 		return nil, err
 	}
-	return &Resolver{clientConfig: config, clientSet: clientset, nameMap: cmap.New(), serviceMap: cmap.New(), errOut: errOut, namespace: namespace}, nil
+	return &Resolver{clientConfig: config, clientSet: clientSet, nameMap: cmap.New(), serviceMap: cmap.New(), errOut: errOut, namespace: namespace}, nil
 }

agent/pkg/routes/status_routes.go

@@ -16,6 +16,8 @@ func StatusRoutes(ginApp *gin.Engine) {
 	routeGroup.GET("/tap", controllers.GetTappingStatus)
 
 	routeGroup.GET("/general", controllers.GetGeneralStats) // get general stats about entries in DB
+	routeGroup.GET("/accumulative", controllers.GetAccumulativeStats)
+	routeGroup.GET("/accumulativeTiming", controllers.GetAccumulativeStatsTiming)
 
 	routeGroup.GET("/resolving", controllers.GetCurrentResolvingInformation)
 }

agent/pkg/rules/rulesHTTP.go

@@ -56,7 +56,7 @@ func MatchRequestPolicy(harEntry har.Entry, service string) (resultPolicyToSend
 		}
 		if rule.Type == "json" {
 			var bodyJsonMap interface{}
-			contentTextDecoded, _ := base64.StdEncoding.DecodeString(string(harEntry.Response.Content.Text))
+			contentTextDecoded, _ := base64.StdEncoding.DecodeString(harEntry.Response.Content.Text)
 			if err := json.Unmarshal(contentTextDecoded, &bodyJsonMap); err != nil {
 				continue
 			}

agent/pkg/utils/pathUtils.go

@@ -1,8 +1,9 @@
 package utils
 
 import (
-	"github.com/djherbis/atime"
 	"os"
+
+	"github.com/djherbis/atime"
 )
 
 type ByModTime []os.FileInfo
@@ -19,7 +20,6 @@ func (fis ByModTime) Less(i, j int) bool {
 	return fis[i].ModTime().Before(fis[j].ModTime())
 }
 
-
 type ByName []os.FileInfo
 
 func (fis ByName) Len() int {
@@ -34,7 +34,6 @@ func (fis ByName) Less(i, j int) bool {
 	return fis[i].Name() < fis[j].Name()
 }
 
-
 type ByCreationTime []os.FileInfo
 
 func (fis ByCreationTime) Len() int {
@@ -47,4 +46,4 @@ func (fis ByCreationTime) Swap(i, j int) {
 
 func (fis ByCreationTime) Less(i, j int) bool {
 	return atime.Get(fis[i]).Unix() < atime.Get(fis[j]).Unix()
-}
+}

agent/pkg/utils/utils.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
-	"net/url"
 	"os"
 	"os/signal"
 	"syscall"
@@ -59,17 +58,6 @@ func CheckErr(e error) {
 	}
 }
 
-func SetHostname(address, newHostname string) string {
-	replacedUrl, err := url.Parse(address)
-	if err != nil {
-		logger.Log.Errorf("error replacing hostname to %s in address %s, returning original %v", newHostname, address, err)
-		return address
-	}
-	replacedUrl.Host = newHostname
-	return replacedUrl.String()
-
-}
-
 func ReadJsonFile(filePath string, value interface{}) error {
 	if content, err := ioutil.ReadFile(filePath); err != nil {
 		return err

cli/mizu/version/versionCheck.go

@@ -10,32 +10,13 @@ import (
 	"strings"
 	"time"
 
-	"github.com/up9inc/mizu/cli/apiserver"
 	"github.com/up9inc/mizu/cli/mizu"
 	"github.com/up9inc/mizu/cli/pkg/version"
 	"github.com/up9inc/mizu/logger"
 
 	"github.com/google/go-github/v37/github"
-	"github.com/up9inc/mizu/cli/uiUtils"
 )
 
-func CheckVersionCompatibility(apiServerProvider *apiserver.Provider) (bool, error) {
-	apiVer, err := apiServerProvider.GetVersion()
-	if err != nil {
-		return false, err
-	}
-
-	if equals, err := version.AreEquals(apiVer, mizu.Ver); err != nil {
-		return false, fmt.Errorf("Failed to check version equality between mizuVer: %s and apiVer: %s, error: %w", mizu.Ver, apiVer, err)
-	} else if !equals {
-		logger.Log.Errorf(uiUtils.Red, fmt.Sprintf("cli version (%s) is not compatible with api version (%s)", mizu.Ver, apiVer))
-		return false, nil
-	}
-
-	logger.Log.Debug("cli version %s is compatible with api version %s", mizu.Ver, apiVer)
-	return true, nil
-}
-
 func CheckNewerVersion(versionChan chan string) {
 	if _, present := os.LookupEnv(mizu.DEVENVVAR); present {
 		versionChan <- ""

cli/telemetry/telemetry.go

@@ -73,11 +73,7 @@ func shouldRunTelemetry() bool {
 		return false
 	}
 
-	if mizu.Branch != "main" && mizu.Branch != "develop" {
-		return false
-	}
-
-	return true
+	return mizu.Branch == "main" || mizu.Branch == "develop"
 }
 
 func sendTelemetry(argsMap map[string]interface{}) error {

devops/linux-arm64-musl-go-libpcap-capstone-bpf/Dockerfile

@@ -25,3 +25,6 @@ RUN curl https://github.com/capstone-engine/capstone/archive/4.0.2.tar.gz -Lo ./
 WORKDIR /work/capstone
 RUN CAPSTONE_ARCHS="aarch64" CAPSTONE_STATIC=yes ./make.sh \
 && cp /work/capstone/libcapstone.a /usr/xcc/aarch64-linux-musl-cross/lib/gcc/aarch64-linux-musl/*/
+
+# Install eBPF related dependencies
+RUN apt-get -y install clang llvm libbpf-dev

devops/linux-arm64-musl-go-libpcap-capstone-bpf/build-push.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+
+docker build . -t up9inc/linux-arm64-musl-go-libpcap-capstone-bpf && docker push up9inc/linux-arm64-musl-go-libpcap-capstone-bpf

devops/linux-arm64-musl-go-libpcap-capstone/build-push.sh

@@ -1,4 +0,0 @@
-#!/bin/bash
-set -e
-
-docker build . -t up9inc/linux-arm64-musl-go-libpcap-capstone && docker push up9inc/linux-arm64-musl-go-libpcap-capstone

devops/linux-x86_64-musl-go-libpcap-capstone-bpf/Dockerfile

@@ -1,5 +1,18 @@
 FROM messense/rust-musl-cross:x86_64-musl AS builder-from-arm64v8-to-amd64
 
+WORKDIR /
+
+# Install eBPF related dependencies
+RUN apt-get update
+RUN apt-get -y install clang llvm libelf-dev pkg-config
+
+# Build and install libbpf from source
+RUN curl https://github.com/libbpf/libbpf/archive/refs/tags/v0.8.0.tar.gz -Lo ./libbpf.tar.gz \
+ && tar -xzf libbpf.tar.gz && mv ./libbpf-* ./libbpf
+WORKDIR /libbpf/src
+RUN make && make install
+WORKDIR /
+
 ENV CROSS_TRIPLE x86_64-unknown-linux-musl
 ENV CROSS_ROOT /usr/local/musl
 
@@ -12,7 +25,6 @@ ENV AS=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as \
     FC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gfortran
 
 # Install Go
-WORKDIR /
 RUN curl https://go.dev/dl/go1.17.6.linux-arm64.tar.gz -Lo ./go.linux-arm64.tar.gz \
  && curl https://go.dev/dl/go1.17.6.linux-arm64.tar.gz.asc -Lo ./go.linux-arm64.tar.gz.asc \
  && curl https://dl.google.com/dl/linux/linux_signing_key.pub  -Lo linux_signing_key.pub \
@@ -35,5 +47,5 @@ WORKDIR /
 RUN curl https://github.com/capstone-engine/capstone/archive/4.0.2.tar.gz -Lo ./capstone.tar.gz \
  && tar -xzf capstone.tar.gz && mv ./capstone-* ./capstone
 WORKDIR /capstone
-RUN ./make.sh \
+RUN CAPSTONE_ARCHS="x86" CAPSTONE_STATIC=yes ./make.sh \
  && cp /capstone/libcapstone.a /usr/local/musl/lib/gcc/x86_64-unknown-linux-musl/*/

devops/linux-x86_64-musl-go-libpcap-capstone-bpf/build-push.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+
+docker build . -t up9inc/linux-x86_64-musl-go-libpcap-capstone-bpf && docker push up9inc/linux-x86_64-musl-go-libpcap-capstone-bpf

devops/linux-x86_64-musl-go-libpcap-capstone/build-push.sh

@@ -1,4 +0,0 @@
-#!/bin/bash
-set -e
-
-docker build . -t up9inc/linux-x86_64-musl-go-libpcap-capstone && docker push up9inc/linux-x86_64-musl-go-libpcap-capstone

performance_analysis/plot_from_tapper_logs.py

@@ -57,7 +57,7 @@ def extract_samples(f: typing.IO) -> typing.Tuple[pd.Series, pd.Series, pd.Serie
         append_sample('"matchedPairs"', line, matched_samples)
         append_sample('"liveTcpStreams"', line, live_samples)
         append_sample('"processedBytes"', line, processed_samples)
-        append_sample('mem', line, heap_samples)
+        append_sample('heap-alloc', line, heap_samples)
         append_sample('goroutines', line, goroutines_samples)
 
     cpu_samples = pd.Series(cpu_samples)

shared/kubernetes/watchEvent.go

@@ -11,11 +11,11 @@ import (
 )
 
 const (
-	EventAdded    watch.EventType = watch.Added
-	EventModified watch.EventType = watch.Modified
-	EventDeleted  watch.EventType = watch.Deleted
-	EventBookmark watch.EventType = watch.Bookmark
-	EventError    watch.EventType = watch.Error
+	EventAdded    = watch.Added
+	EventModified = watch.Modified
+	EventDeleted  = watch.Deleted
+	EventBookmark = watch.Bookmark
+	EventError    = watch.Error
 )
 
 type InvalidObjectType struct {

shared/models.go

@@ -199,7 +199,7 @@ func DecodeEnforcePolicy(path string) (RulesPolicy, error) {
 	if err != nil {
 		return enforcePolicy, err
 	}
-	err = yaml.Unmarshal([]byte(content), &enforcePolicy)
+	err = yaml.Unmarshal(content, &enforcePolicy)
 	if err != nil {
 		return enforcePolicy, err
 	}

tap/api/api.go

@@ -20,9 +20,9 @@ import (
 )
 
 const mizuTestEnvVar = "MIZU_TEST"
-const UNKNOWN_NAMESPACE = ""
+const UnknownNamespace = ""
 
-var UnknownIp net.IP = net.IP{0, 0, 0, 0}
+var UnknownIp = net.IP{0, 0, 0, 0}
 var UnknownPort uint16 = 0
 
 type Protocol struct {

tap/api/stats_tracker.go

@@ -16,6 +16,8 @@ type AppStats struct {
 	MatchedPairs                uint64    `json:"matchedPairs"`
 	DroppedTcpStreams           uint64    `json:"droppedTcpStreams"`
 	LiveTcpStreams              uint64    `json:"liveTcpStreams"`
+	IgnoredLastAckCount         uint64    `json:"ignoredLastAckCount"`
+	ThrottledPackets            uint64    `json:"throttledPackets"`
 }
 
 func (as *AppStats) IncMatchedPairs() {
@@ -39,6 +41,14 @@ func (as *AppStats) IncIgnoredPacketsCount() {
 	atomic.AddUint64(&as.IgnoredPacketsCount, 1)
 }
 
+func (as *AppStats) IncIgnoredLastAckCount() {
+	atomic.AddUint64(&as.IgnoredLastAckCount, 1)
+}
+
+func (as *AppStats) IncThrottledPackets() {
+	atomic.AddUint64(&as.ThrottledPackets, 1)
+}
+
 func (as *AppStats) IncReassembledTcpPayloadsCount() {
 	atomic.AddUint64(&as.ReassembledTcpPayloadsCount, 1)
 }
@@ -74,6 +84,8 @@ func (as *AppStats) DumpStats() *AppStats {
 	currentAppStats.TlsConnectionsCount = resetUint64(&as.TlsConnectionsCount)
 	currentAppStats.MatchedPairs = resetUint64(&as.MatchedPairs)
 	currentAppStats.DroppedTcpStreams = resetUint64(&as.DroppedTcpStreams)
+	currentAppStats.IgnoredLastAckCount = resetUint64(&as.IgnoredLastAckCount)
+	currentAppStats.ThrottledPackets = resetUint64(&as.ThrottledPackets)
 	currentAppStats.LiveTcpStreams = as.LiveTcpStreams
 
 	return currentAppStats

tap/cleaner.go

@@ -10,14 +10,11 @@ import (
 )
 
 type CleanerStats struct {
-	flushed int
-	closed  int
 	deleted int
 }
 
 type Cleaner struct {
 	assembler         *reassembly.Assembler
-	assemblerMutex    *sync.Mutex
 	cleanPeriod       time.Duration
 	connectionTimeout time.Duration
 	stats             CleanerStats
@@ -28,11 +25,6 @@ type Cleaner struct {
 func (cl *Cleaner) clean() {
 	startCleanTime := time.Now()
 
-	cl.assemblerMutex.Lock()
-	logger.Log.Debugf("Assembler Stats before cleaning %s", cl.assembler.Dump())
-	flushed, closed := cl.assembler.FlushCloseOlderThan(startCleanTime.Add(-cl.connectionTimeout))
-	cl.assemblerMutex.Unlock()
-
 	cl.streamsMap.Range(func(k, v interface{}) bool {
 		reqResMatchers := v.(api.TcpStream).GetReqResMatchers()
 		for _, reqResMatcher := range reqResMatchers {
@@ -47,8 +39,6 @@ func (cl *Cleaner) clean() {
 
 	cl.statsMutex.Lock()
 	logger.Log.Debugf("Assembler Stats after cleaning %s", cl.assembler.Dump())
-	cl.stats.flushed += flushed
-	cl.stats.closed += closed
 	cl.statsMutex.Unlock()
 }
 
@@ -67,17 +57,12 @@ func (cl *Cleaner) dumpStats() CleanerStats {
 	cl.statsMutex.Lock()
 
 	stats := CleanerStats{
-		flushed: cl.stats.flushed,
-		closed:  cl.stats.closed,
 		deleted: cl.stats.deleted,
 	}
 
-	cl.stats.flushed = 0
-	cl.stats.closed = 0
 	cl.stats.deleted = 0
 
 	cl.statsMutex.Unlock()
-
 	return stats
 }
 

tap/dbgctl/debug_control.go

@@ -5,11 +5,11 @@ import (
 )
 
 var (
-	MizuTapperDisablePcap              bool = os.Getenv("MIZU_DEBUG_DISABLE_PCAP") == "true"
-	MizuTapperDisableTcpReassembly     bool = os.Getenv("MIZU_DEBUG_DISABLE_TCP_REASSEMBLY") == "true"
-	MizuTapperDisableTcpStream         bool = os.Getenv("MIZU_DEBUG_DISABLE_TCP_STREAM") == "true"
-	MizuTapperDisableDissectors        bool = os.Getenv("MIZU_DEBUG_DISABLE_DISSECTORS") == "true"
-	MizuTapperDisableEmitting          bool = os.Getenv("MIZU_DEBUG_DISABLE_EMITTING") == "true"
-	MizuTapperDisableSending           bool = os.Getenv("MIZU_DEBUG_DISABLE_SENDING") == "true"
-	MizuTapperDisableNonHttpExtensions bool = os.Getenv("MIZU_DEBUG_DISABLE_NON_HTTP_EXTENSSION") == "true"
+	MizuTapperDisablePcap              = os.Getenv("MIZU_DEBUG_DISABLE_PCAP") == "true"
+	MizuTapperDisableTcpReassembly     = os.Getenv("MIZU_DEBUG_DISABLE_TCP_REASSEMBLY") == "true"
+	MizuTapperDisableTcpStream         = os.Getenv("MIZU_DEBUG_DISABLE_TCP_STREAM") == "true"
+	MizuTapperDisableDissectors        = os.Getenv("MIZU_DEBUG_DISABLE_DISSECTORS") == "true"
+	MizuTapperDisableEmitting          = os.Getenv("MIZU_DEBUG_DISABLE_EMITTING") == "true"
+	MizuTapperDisableSending           = os.Getenv("MIZU_DEBUG_DISABLE_SENDING") == "true"
+	MizuTapperDisableNonHttpExtensions = os.Getenv("MIZU_DEBUG_DISABLE_NON_HTTP_EXTENSSION") == "true"
 )

tap/extensions/amqp/main.go

@@ -12,7 +12,7 @@ import (
 	"github.com/up9inc/mizu/tap/api"
 )
 
-var protocol api.Protocol = api.Protocol{
+var protocol = api.Protocol{
 	Name:            "amqp",
 	LongName:        "Advanced Message Queuing Protocol 0-9-1",
 	Abbreviation:    "AMQP",
@@ -74,13 +74,13 @@ func (d dissecting) Dissect(b *bufio.Reader, reader api.TcpReader, options *api.
 	var lastMethodFrameMessage Message
 
 	for {
-		frame, err := r.ReadFrame()
+		frameVal, err := r.readFrame()
 		if err == io.EOF {
 			// We must read until we see an EOF... very important!
 			return err
 		}
 
-		switch f := frame.(type) {
+		switch f := frameVal.(type) {
 		case *HeartbeatFrame:
 			// drop
 
@@ -203,7 +203,7 @@ func (d dissecting) Dissect(b *bufio.Reader, reader api.TcpReader, options *api.
 			}
 
 		default:
-			// log.Printf("unexpected frame: %+v", f)
+			// log.Printf("unexpected frameVal: %+v", f)
 		}
 	}
 }

tap/extensions/amqp/read.go

@@ -43,14 +43,14 @@ In realistic implementations where performance is a concern, we would use
 
 “gathering reads” to avoid doing three separate system calls to read a frame.
 */
-func (r *AmqpReader) ReadFrame() (frame frame, err error) {
+func (r *AmqpReader) readFrame() (frame frame, err error) {
 	var scratch [7]byte
 
 	if _, err = io.ReadFull(r.R, scratch[:7]); err != nil {
 		return
 	}
 
-	typ := uint8(scratch[0])
+	typ := scratch[0]
 	channel := binary.BigEndian.Uint16(scratch[1:3])
 	size := binary.BigEndian.Uint32(scratch[3:7])
 
@@ -94,20 +94,20 @@ func (r *AmqpReader) ReadFrame() (frame frame, err error) {
 	return
 }
 
-func readShortstr(r io.Reader) (v string, err error) {
+func readShortStr(r io.Reader) (v string, err error) {
 	var length uint8
 	if err = binary.Read(r, binary.BigEndian, &length); err != nil {
 		return
 	}
 
-	bytes := make([]byte, length)
-	if _, err = io.ReadFull(r, bytes); err != nil {
+	bytesValue := make([]byte, length)
+	if _, err = io.ReadFull(r, bytesValue); err != nil {
 		return
 	}
-	return string(bytes), nil
+	return string(bytesValue), nil
 }
 
-func readLongstr(r io.Reader) (v string, err error) {
+func readLongStr(r io.Reader) (v string, err error) {
 	var length uint32
 	if err = binary.Read(r, binary.BigEndian, &length); err != nil {
 		return
@@ -118,11 +118,11 @@ func readLongstr(r io.Reader) (v string, err error) {
 		return
 	}
 
-	bytes := make([]byte, length)
-	if _, err = io.ReadFull(r, bytes); err != nil {
+	bytesValue := make([]byte, length)
+	if _, err = io.ReadFull(r, bytesValue); err != nil {
 		return
 	}
-	return string(bytes), nil
+	return string(bytesValue), nil
 }
 
 func readDecimal(r io.Reader) (v Decimal, err error) {
@@ -171,7 +171,7 @@ func readField(r io.Reader) (v interface{}, err error) {
 		if err = binary.Read(r, binary.BigEndian, &value); err != nil {
 			return
 		}
-		return (value != 0), nil
+		return value != 0, nil
 
 	case 'b':
 		var value [1]byte
@@ -219,7 +219,7 @@ func readField(r io.Reader) (v interface{}, err error) {
 		return readDecimal(r)
 
 	case 'S':
-		return readLongstr(r)
+		return readLongStr(r)
 
 	case 'A':
 		return readArray(r)
@@ -231,12 +231,12 @@ func readField(r io.Reader) (v interface{}, err error) {
 		return readTable(r)
 
 	case 'x':
-		var len int32
-		if err = binary.Read(r, binary.BigEndian, &len); err != nil {
+		var lenVal int32
+		if err = binary.Read(r, binary.BigEndian, &lenVal); err != nil {
 			return nil, err
 		}
 
-		value := make([]byte, len)
+		value := make([]byte, lenVal)
 		if _, err = io.ReadFull(r, value); err != nil {
 			return nil, err
 		}
@@ -261,7 +261,7 @@ func readTable(r io.Reader) (table Table, err error) {
 	var nested bytes.Buffer
 	var str string
 
-	if str, err = readLongstr(r); err != nil {
+	if str, err = readLongStr(r); err != nil {
 		return
 	}
 
@@ -273,7 +273,7 @@ func readTable(r io.Reader) (table Table, err error) {
 		var key string
 		var value interface{}
 
-		if key, err = readShortstr(&nested); err != nil {
+		if key, err = readShortStr(&nested); err != nil {
 			return
 		}
 
@@ -349,12 +349,12 @@ func (r *AmqpReader) parseHeaderFrame(channel uint16, size uint32) (frame frame,
 	}
 
 	if hasProperty(flags, flagContentType) {
-		if hf.Properties.ContentType, err = readShortstr(r.R); err != nil {
+		if hf.Properties.ContentType, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagContentEncoding) {
-		if hf.Properties.ContentEncoding, err = readShortstr(r.R); err != nil {
+		if hf.Properties.ContentEncoding, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
@@ -374,22 +374,22 @@ func (r *AmqpReader) parseHeaderFrame(channel uint16, size uint32) (frame frame,
 		}
 	}
 	if hasProperty(flags, flagCorrelationId) {
-		if hf.Properties.CorrelationId, err = readShortstr(r.R); err != nil {
+		if hf.Properties.CorrelationId, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagReplyTo) {
-		if hf.Properties.ReplyTo, err = readShortstr(r.R); err != nil {
+		if hf.Properties.ReplyTo, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagExpiration) {
-		if hf.Properties.Expiration, err = readShortstr(r.R); err != nil {
+		if hf.Properties.Expiration, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagMessageId) {
-		if hf.Properties.MessageId, err = readShortstr(r.R); err != nil {
+		if hf.Properties.MessageId, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
@@ -399,22 +399,22 @@ func (r *AmqpReader) parseHeaderFrame(channel uint16, size uint32) (frame frame,
 		}
 	}
 	if hasProperty(flags, flagType) {
-		if hf.Properties.Type, err = readShortstr(r.R); err != nil {
+		if hf.Properties.Type, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagUserId) {
-		if hf.Properties.UserId, err = readShortstr(r.R); err != nil {
+		if hf.Properties.UserId, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagAppId) {
-		if hf.Properties.AppId, err = readShortstr(r.R); err != nil {
+		if hf.Properties.AppId, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
 	if hasProperty(flags, flagReserved1) {
-		if hf.Properties.reserved1, err = readShortstr(r.R); err != nil {
+		if hf.Properties.reserved1, err = readShortStr(r.R); err != nil {
 			return
 		}
 	}
@@ -436,7 +436,7 @@ func (r *AmqpReader) parseBodyFrame(channel uint16, size uint32) (frame frame, e
 	return bf, nil
 }
 
-var errHeartbeatPayload = errors.New("Heartbeats should not have a payload")
+var errHeartbeatPayload = errors.New("heartbeats should not have a payload")
 
 func (r *AmqpReader) parseHeartbeatFrame(channel uint16, size uint32) (frame frame, err error) {
 	hf := &HeartbeatFrame{

tap/extensions/amqp/spec091.go

@@ -70,10 +70,10 @@ func (msg *ConnectionStart) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Mechanisms, err = readLongstr(r); err != nil {
+	if msg.Mechanisms, err = readLongStr(r); err != nil {
 		return
 	}
-	if msg.Locales, err = readLongstr(r); err != nil {
+	if msg.Locales, err = readLongStr(r); err != nil {
 		return
 	}
 
@@ -93,15 +93,15 @@ func (msg *ConnectionStartOk) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Mechanism, err = readShortstr(r); err != nil {
+	if msg.Mechanism, err = readShortStr(r); err != nil {
 		return
 	}
 
-	if msg.Response, err = readLongstr(r); err != nil {
+	if msg.Response, err = readLongStr(r); err != nil {
 		return
 	}
 
-	if msg.Locale, err = readShortstr(r); err != nil {
+	if msg.Locale, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -114,7 +114,7 @@ type connectionSecure struct {
 
 func (msg *connectionSecure) read(r io.Reader) (err error) {
 
-	if msg.Challenge, err = readLongstr(r); err != nil {
+	if msg.Challenge, err = readLongStr(r); err != nil {
 		return
 	}
 
@@ -127,7 +127,7 @@ type connectionSecureOk struct {
 
 func (msg *connectionSecureOk) read(r io.Reader) (err error) {
 
-	if msg.Response, err = readLongstr(r); err != nil {
+	if msg.Response, err = readLongStr(r); err != nil {
 		return
 	}
 
@@ -189,17 +189,17 @@ type connectionOpen struct {
 func (msg *connectionOpen) read(r io.Reader) (err error) {
 	var bits byte
 
-	if msg.VirtualHost, err = readShortstr(r); err != nil {
+	if msg.VirtualHost, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.reserved1, err = readShortstr(r); err != nil {
+	if msg.reserved1, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.reserved2 = (bits&(1<<0) > 0)
+	msg.reserved2 = bits&(1<<0) > 0
 
 	return
 }
@@ -210,7 +210,7 @@ type connectionOpenOk struct {
 
 func (msg *connectionOpenOk) read(r io.Reader) (err error) {
 
-	if msg.reserved1, err = readShortstr(r); err != nil {
+	if msg.reserved1, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -230,7 +230,7 @@ func (msg *ConnectionClose) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.ReplyText, err = readShortstr(r); err != nil {
+	if msg.ReplyText, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -258,7 +258,7 @@ type connectionBlocked struct {
 
 func (msg *connectionBlocked) read(r io.Reader) (err error) {
 
-	if msg.Reason, err = readShortstr(r); err != nil {
+	if msg.Reason, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -279,7 +279,7 @@ type channelOpen struct {
 
 func (msg *channelOpen) read(r io.Reader) (err error) {
 
-	if msg.reserved1, err = readShortstr(r); err != nil {
+	if msg.reserved1, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -292,7 +292,7 @@ type channelOpenOk struct {
 
 func (msg *channelOpenOk) read(r io.Reader) (err error) {
 
-	if msg.reserved1, err = readLongstr(r); err != nil {
+	if msg.reserved1, err = readLongStr(r); err != nil {
 		return
 	}
 
@@ -309,7 +309,7 @@ func (msg *channelFlow) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Active = (bits&(1<<0) > 0)
+	msg.Active = bits&(1<<0) > 0
 
 	return
 }
@@ -324,7 +324,7 @@ func (msg *channelFlowOk) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Active = (bits&(1<<0) > 0)
+	msg.Active = bits&(1<<0) > 0
 
 	return
 }
@@ -342,7 +342,7 @@ func (msg *channelClose) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.ReplyText, err = readShortstr(r); err != nil {
+	if msg.ReplyText, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -383,21 +383,21 @@ func (msg *ExchangeDeclare) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.Type, err = readShortstr(r); err != nil {
+	if msg.Type, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Passive = (bits&(1<<0) > 0)
-	msg.Durable = (bits&(1<<1) > 0)
-	msg.AutoDelete = (bits&(1<<2) > 0)
-	msg.Internal = (bits&(1<<3) > 0)
-	msg.NoWait = (bits&(1<<4) > 0)
+	msg.Passive = bits&(1<<0) > 0
+	msg.Durable = bits&(1<<1) > 0
+	msg.AutoDelete = bits&(1<<2) > 0
+	msg.Internal = bits&(1<<3) > 0
+	msg.NoWait = bits&(1<<4) > 0
 
 	if msg.Arguments, err = readTable(r); err != nil {
 		return
@@ -428,15 +428,15 @@ func (msg *exchangeDelete) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.IfUnused = (bits&(1<<0) > 0)
-	msg.NoWait = (bits&(1<<1) > 0)
+	msg.IfUnused = bits&(1<<0) > 0
+	msg.NoWait = bits&(1<<1) > 0
 
 	return
 }
@@ -465,20 +465,20 @@ func (msg *exchangeBind) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Destination, err = readShortstr(r); err != nil {
+	if msg.Destination, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.Source, err = readShortstr(r); err != nil {
+	if msg.Source, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoWait = (bits&(1<<0) > 0)
+	msg.NoWait = bits&(1<<0) > 0
 
 	if msg.Arguments, err = readTable(r); err != nil {
 		return
@@ -511,20 +511,20 @@ func (msg *exchangeUnbind) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Destination, err = readShortstr(r); err != nil {
+	if msg.Destination, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.Source, err = readShortstr(r); err != nil {
+	if msg.Source, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoWait = (bits&(1<<0) > 0)
+	msg.NoWait = bits&(1<<0) > 0
 
 	if msg.Arguments, err = readTable(r); err != nil {
 		return
@@ -559,18 +559,18 @@ func (msg *QueueDeclare) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Passive = (bits&(1<<0) > 0)
-	msg.Durable = (bits&(1<<1) > 0)
-	msg.Exclusive = (bits&(1<<2) > 0)
-	msg.AutoDelete = (bits&(1<<3) > 0)
-	msg.NoWait = (bits&(1<<4) > 0)
+	msg.Passive = bits&(1<<0) > 0
+	msg.Durable = bits&(1<<1) > 0
+	msg.Exclusive = bits&(1<<2) > 0
+	msg.AutoDelete = bits&(1<<3) > 0
+	msg.NoWait = bits&(1<<4) > 0
 
 	if msg.Arguments, err = readTable(r); err != nil {
 		return
@@ -587,7 +587,7 @@ type QueueDeclareOk struct {
 
 func (msg *QueueDeclareOk) read(r io.Reader) (err error) {
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -617,20 +617,20 @@ func (msg *QueueBind) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoWait = (bits&(1<<0) > 0)
+	msg.NoWait = bits&(1<<0) > 0
 
 	if msg.Arguments, err = readTable(r); err != nil {
 		return
@@ -661,13 +661,13 @@ func (msg *queueUnbind) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -699,14 +699,14 @@ func (msg *queuePurge) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoWait = (bits&(1<<0) > 0)
+	msg.NoWait = bits&(1<<0) > 0
 
 	return
 }
@@ -739,16 +739,16 @@ func (msg *queueDelete) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.IfUnused = (bits&(1<<0) > 0)
-	msg.IfEmpty = (bits&(1<<1) > 0)
-	msg.NoWait = (bits&(1<<2) > 0)
+	msg.IfUnused = bits&(1<<0) > 0
+	msg.IfEmpty = bits&(1<<1) > 0
+	msg.NoWait = bits&(1<<2) > 0
 
 	return
 }
@@ -786,7 +786,7 @@ func (msg *basicQos) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Global = (bits&(1<<0) > 0)
+	msg.Global = bits&(1<<0) > 0
 
 	return
 }
@@ -817,20 +817,20 @@ func (msg *BasicConsume) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.ConsumerTag, err = readShortstr(r); err != nil {
+	if msg.ConsumerTag, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoLocal = (bits&(1<<0) > 0)
-	msg.NoAck = (bits&(1<<1) > 0)
-	msg.Exclusive = (bits&(1<<2) > 0)
-	msg.NoWait = (bits&(1<<3) > 0)
+	msg.NoLocal = bits&(1<<0) > 0
+	msg.NoAck = bits&(1<<1) > 0
+	msg.Exclusive = bits&(1<<2) > 0
+	msg.NoWait = bits&(1<<3) > 0
 
 	if msg.Arguments, err = readTable(r); err != nil {
 		return
@@ -845,7 +845,7 @@ type BasicConsumeOk struct {
 
 func (msg *BasicConsumeOk) read(r io.Reader) (err error) {
 
-	if msg.ConsumerTag, err = readShortstr(r); err != nil {
+	if msg.ConsumerTag, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -860,14 +860,14 @@ type basicCancel struct {
 func (msg *basicCancel) read(r io.Reader) (err error) {
 	var bits byte
 
-	if msg.ConsumerTag, err = readShortstr(r); err != nil {
+	if msg.ConsumerTag, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoWait = (bits&(1<<0) > 0)
+	msg.NoWait = bits&(1<<0) > 0
 
 	return
 }
@@ -878,7 +878,7 @@ type basicCancelOk struct {
 
 func (msg *basicCancelOk) read(r io.Reader) (err error) {
 
-	if msg.ConsumerTag, err = readShortstr(r); err != nil {
+	if msg.ConsumerTag, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -910,18 +910,18 @@ func (msg *BasicPublish) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Mandatory = (bits&(1<<0) > 0)
-	msg.Immediate = (bits&(1<<1) > 0)
+	msg.Mandatory = bits&(1<<0) > 0
+	msg.Immediate = bits&(1<<1) > 0
 
 	return
 }
@@ -949,13 +949,13 @@ func (msg *basicReturn) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.ReplyText, err = readShortstr(r); err != nil {
+	if msg.ReplyText, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -983,7 +983,7 @@ func (msg *BasicDeliver) setContent(props Properties, body []byte) {
 func (msg *BasicDeliver) read(r io.Reader) (err error) {
 	var bits byte
 
-	if msg.ConsumerTag, err = readShortstr(r); err != nil {
+	if msg.ConsumerTag, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -994,12 +994,12 @@ func (msg *BasicDeliver) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Redelivered = (bits&(1<<0) > 0)
+	msg.Redelivered = bits&(1<<0) > 0
 
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -1019,14 +1019,14 @@ func (msg *basicGet) read(r io.Reader) (err error) {
 		return
 	}
 
-	if msg.Queue, err = readShortstr(r); err != nil {
+	if msg.Queue, err = readShortStr(r); err != nil {
 		return
 	}
 
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.NoAck = (bits&(1<<0) > 0)
+	msg.NoAck = bits&(1<<0) > 0
 
 	return
 }
@@ -1059,12 +1059,12 @@ func (msg *basicGetOk) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Redelivered = (bits&(1<<0) > 0)
+	msg.Redelivered = bits&(1<<0) > 0
 
-	if msg.Exchange, err = readShortstr(r); err != nil {
+	if msg.Exchange, err = readShortStr(r); err != nil {
 		return
 	}
-	if msg.RoutingKey, err = readShortstr(r); err != nil {
+	if msg.RoutingKey, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -1081,7 +1081,7 @@ type basicGetEmpty struct {
 
 func (msg *basicGetEmpty) read(r io.Reader) (err error) {
 
-	if msg.reserved1, err = readShortstr(r); err != nil {
+	if msg.reserved1, err = readShortStr(r); err != nil {
 		return
 	}
 
@@ -1103,7 +1103,7 @@ func (msg *basicAck) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Multiple = (bits&(1<<0) > 0)
+	msg.Multiple = bits&(1<<0) > 0
 
 	return
 }
@@ -1123,7 +1123,7 @@ func (msg *basicReject) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Requeue = (bits&(1<<0) > 0)
+	msg.Requeue = bits&(1<<0) > 0
 
 	return
 }
@@ -1138,7 +1138,7 @@ func (msg *basicRecoverAsync) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Requeue = (bits&(1<<0) > 0)
+	msg.Requeue = bits&(1<<0) > 0
 
 	return
 }
@@ -1153,7 +1153,7 @@ func (msg *basicRecover) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Requeue = (bits&(1<<0) > 0)
+	msg.Requeue = bits&(1<<0) > 0
 
 	return
 }
@@ -1182,8 +1182,8 @@ func (msg *basicNack) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Multiple = (bits&(1<<0) > 0)
-	msg.Requeue = (bits&(1<<1) > 0)
+	msg.Multiple = bits&(1<<0) > 0
+	msg.Requeue = bits&(1<<1) > 0
 
 	return
 }
@@ -1246,7 +1246,7 @@ func (msg *confirmSelect) read(r io.Reader) (err error) {
 	if err = binary.Read(r, binary.BigEndian, &bits); err != nil {
 		return
 	}
-	msg.Nowait = (bits&(1<<0) > 0)
+	msg.Nowait = bits&(1<<0) > 0
 
 	return
 }

tap/extensions/http/http2_assembler.go

@@ -91,7 +91,7 @@ func (ga *Http2Assembler) readMessage() (streamID uint32, messageHTTP1 interface
 	// Exactly one Framer is used for each half connection.
 	// (Instead of creating a new Framer for each ReadFrame operation)
 	// This is needed in order to decompress the headers,
-	// because the compression context is updated with each requests/response.
+	// because the compression context is updated with each request/response.
 	frame, err := ga.framer.ReadFrame()
 	if err != nil {
 		return

tap/extensions/http/main.go

@@ -14,7 +14,7 @@ import (
 	"github.com/up9inc/mizu/tap/api"
 )
 
-var http10protocol api.Protocol = api.Protocol{
+var http10protocol = api.Protocol{
 	Name:            "http",
 	LongName:        "Hypertext Transfer Protocol -- HTTP/1.0",
 	Abbreviation:    "HTTP",
@@ -28,7 +28,7 @@ var http10protocol api.Protocol = api.Protocol{
 	Priority:        0,
 }
 
-var http11protocol api.Protocol = api.Protocol{
+var http11protocol = api.Protocol{
 	Name:            "http",
 	LongName:        "Hypertext Transfer Protocol -- HTTP/1.1",
 	Abbreviation:    "HTTP",
@@ -42,7 +42,7 @@ var http11protocol api.Protocol = api.Protocol{
 	Priority:        0,
 }
 
-var http2Protocol api.Protocol = api.Protocol{
+var http2Protocol = api.Protocol{
 	Name:            "http",
 	LongName:        "Hypertext Transfer Protocol Version 2 (HTTP/2)",
 	Abbreviation:    "HTTP/2",
@@ -56,7 +56,7 @@ var http2Protocol api.Protocol = api.Protocol{
 	Priority:        0,
 }
 
-var grpcProtocol api.Protocol = api.Protocol{
+var grpcProtocol = api.Protocol{
 	Name:            "http",
 	LongName:        "Hypertext Transfer Protocol Version 2 (HTTP/2) [ gRPC over HTTP/2 ]",
 	Abbreviation:    "gRPC",
@@ -70,7 +70,7 @@ var grpcProtocol api.Protocol = api.Protocol{
 	Priority:        0,
 }
 
-var graphQL1Protocol api.Protocol = api.Protocol{
+var graphQL1Protocol = api.Protocol{
 	Name:            "http",
 	LongName:        "Hypertext Transfer Protocol -- HTTP/1.1 [ GraphQL over HTTP/1.1 ]",
 	Abbreviation:    "GQL",
@@ -84,7 +84,7 @@ var graphQL1Protocol api.Protocol = api.Protocol{
 	Priority:        0,
 }
 
-var graphQL2Protocol api.Protocol = api.Protocol{
+var graphQL2Protocol = api.Protocol{
 	Name:            "http",
 	LongName:        "Hypertext Transfer Protocol Version 2 (HTTP/2) [ GraphQL over HTTP/2 ]",
 	Abbreviation:    "GQL",

tap/extensions/http/sensitive_data_cleaner.go

@@ -66,7 +66,7 @@ func filterRequestBody(request *http.Request, options *api.TrafficFilteringOptio
 	if err != nil {
 		return
 	}
-	filteredBody, err := filterHttpBody([]byte(body), contenType, options)
+	filteredBody, err := filterHttpBody(body, contenType, options)
 	if err == nil {
 		request.Body = ioutil.NopCloser(bytes.NewBuffer(filteredBody))
 	} else {
@@ -80,7 +80,7 @@ func filterResponseBody(response *http.Response, options *api.TrafficFilteringOp
 	if err != nil {
 		return
 	}
-	filteredBody, err := filterHttpBody([]byte(body), contentType, options)
+	filteredBody, err := filterHttpBody(body, contentType, options)
 	if err == nil {
 		response.Body = ioutil.NopCloser(bytes.NewBuffer(filteredBody))
 	} else {

tap/extensions/kafka/helpers.go

@@ -817,12 +817,12 @@ func representDeleteTopicsRequest(data map[string]interface{}) []interface{} {
 	repPayload, _ := json.Marshal([]api.TableData{
 		{
 			Name:     "TopicNames",
-			Value:    string(topicNames),
+			Value:    topicNames,
 			Selector: `request.payload.topicNames`,
 		},
 		{
 			Name:     "Topics",
-			Value:    string(topics),
+			Value:    topics,
 			Selector: `request.payload.topics`,
 		},
 		{

tap/extensions/kafka/main.go

@@ -10,7 +10,7 @@ import (
 	"github.com/up9inc/mizu/tap/api"
 )
 
-var _protocol api.Protocol = api.Protocol{
+var _protocol = api.Protocol{
 	Name:            "kafka",
 	LongName:        "Apache Kafka Protocol",
 	Abbreviation:    "KAFKA",

tap/extensions/kafka/reflect.go

@@ -56,6 +56,6 @@ func makeArray(t reflect.Type, n int) array {
 
 func (a array) index(i int) value { return value{val: a.val.Index(i)} }
 
-func indexOf(s reflect.StructField) index { return index(s.Index) }
+func indexOf(s reflect.StructField) index { return s.Index }
 
 func bytesToString(b []byte) string { return string(b) }

tap/extensions/redis/main.go

@@ -10,7 +10,7 @@ import (
 	"github.com/up9inc/mizu/tap/api"
 )
 
-var protocol api.Protocol = api.Protocol{
+var protocol = api.Protocol{
 	Name:            "redis",
 	LongName:        "Redis Serialization Protocol",
 	Abbreviation:    "REDIS",

tap/extensions/redis/structs.go

@@ -4,7 +4,7 @@ type RedisType string
 type RedisCommand string
 type RedisKeyword string
 
-var types map[rune]RedisType = map[rune]RedisType{
+var types = map[rune]RedisType{
 	plusByte:          "Simple String",
 	dollarByte:        "Bulk String",
 	asteriskByte:      "Array",
@@ -13,7 +13,7 @@ var types map[rune]RedisType = map[rune]RedisType{
 	notApplicableByte: "N/A",
 }
 
-var commands []RedisCommand = []RedisCommand{
+var commands = []RedisCommand{
 	"PING",
 	"SET",
 	"GET",
@@ -200,7 +200,7 @@ var commands []RedisCommand = []RedisCommand{
 	"XCLAIM",
 }
 
-var keywords []RedisKeyword = []RedisKeyword{
+var keywords = []RedisKeyword{
 	"AGGREGATE",
 	"ALPHA",
 	"ASC",

tap/passive_tapper.go

@@ -45,6 +45,7 @@ var quiet = flag.Bool("quiet", false, "Be quiet regarding errors")
 var hexdumppkt = flag.Bool("dumppkt", false, "Dump packet as hex")
 var procfs = flag.String("procfs", "/proc", "The procfs directory, used when mapping host volumes into a container")
 var ignoredPorts = flag.String("ignore-ports", "", "A comma separated list of ports to ignore")
+var maxLiveStreams = flag.Int("max-live-streams", 500, "Maximum live streams to handle concurrently")
 
 // capture
 var iface = flag.String("i", "en0", "Interface to read packets from")
@@ -59,8 +60,10 @@ var tls = flag.Bool("tls", false, "Enable TLS tapper")
 var memprofile = flag.String("memprofile", "", "Write memory profile")
 
 type TapOpts struct {
-	HostMode     bool
-	IgnoredPorts []uint16
+	HostMode               bool
+	IgnoredPorts           []uint16
+	maxLiveStreams         int
+	staleConnectionTimeout time.Duration
 }
 
 var extensions []*api.Extension                     // global
@@ -89,7 +92,13 @@ func StartPassiveTapper(opts *TapOpts, outputItems chan *api.OutputChannelItem,
 		diagnose.StartMemoryProfiler(os.Getenv(MemoryProfilingDumpPath), os.Getenv(MemoryProfilingTimeIntervalSeconds))
 	}
 
-	assembler := initializePassiveTapper(opts, outputItems, streamsMap)
+	assembler, err := initializePassiveTapper(opts, outputItems, streamsMap)
+
+	if err != nil {
+		logger.Log.Errorf("Error initializing tapper %w", err)
+		return
+	}
+
 	go startPassiveTapper(streamsMap, assembler)
 }
 
@@ -124,7 +133,7 @@ func printNewTapTargets(success bool) {
 	}
 }
 
-func printPeriodicStats(cleaner *Cleaner) {
+func printPeriodicStats(cleaner *Cleaner, assembler *tcpAssembler) {
 	statsPeriod := time.Second * time.Duration(*statsevery)
 	ticker := time.NewTicker(statsPeriod)
 
@@ -162,8 +171,10 @@ func printPeriodicStats(cleaner *Cleaner) {
 			}
 		}
 		logger.Log.Infof(
-			"mem: %d, goroutines: %d, cpu: %f, cores: %d/%d, rss: %f",
+			"heap-alloc: %d, heap-idle: %d, heap-objects: %d, goroutines: %d, cpu: %f, cores: %d/%d, rss: %f",
 			memStats.HeapAlloc,
+			memStats.HeapIdle,
+			memStats.HeapObjects,
 			runtime.NumGoroutine(),
 			sysInfo.CPU,
 			logicalCoreCount,
@@ -172,15 +183,19 @@ func printPeriodicStats(cleaner *Cleaner) {
 
 		// Since the last print
 		cleanStats := cleaner.dumpStats()
+		assemblerStats := assembler.DumpStats()
 		logger.Log.Infof(
 			"cleaner - flushed connections: %d, closed connections: %d, deleted messages: %d",
-			cleanStats.flushed,
-			cleanStats.closed,
+			assemblerStats.flushedConnections,
+			assemblerStats.closedConnections,
 			cleanStats.deleted,
 		)
 		currentAppStats := diagnose.AppStats.DumpStats()
 		appStatsJSON, _ := json.Marshal(currentAppStats)
 		logger.Log.Infof("app stats - %v", string(appStatsJSON))
+
+		// At the moment
+		logger.Log.Infof("assembler-stats: %s, packet-source-stats: %s", assembler.Dump(), packetSourceManager.Stats())
 	}
 }
 
@@ -208,7 +223,7 @@ func initializePacketSources() error {
 	return err
 }
 
-func initializePassiveTapper(opts *TapOpts, outputItems chan *api.OutputChannelItem, streamsMap api.TcpStreamMap) *tcpAssembler {
+func initializePassiveTapper(opts *TapOpts, outputItems chan *api.OutputChannelItem, streamsMap api.TcpStreamMap) (*tcpAssembler, error) {
 	diagnose.InitializeErrorsMap(*debug, *verbose, *quiet)
 	diagnose.InitializeTapperInternalStats()
 
@@ -219,10 +234,10 @@ func initializePassiveTapper(opts *TapOpts, outputItems chan *api.OutputChannelI
 	}
 
 	opts.IgnoredPorts = append(opts.IgnoredPorts, buildIgnoredPortsList(*ignoredPorts)...)
+	opts.maxLiveStreams = *maxLiveStreams
+	opts.staleConnectionTimeout = time.Duration(*staleTimeoutSeconds) * time.Second
 
-	assembler := NewTcpAssembler(outputItems, streamsMap, opts)
-
-	return assembler
+	return NewTcpAssembler(outputItems, streamsMap, opts)
 }
 
 func startPassiveTapper(streamsMap api.TcpStreamMap, assembler *tcpAssembler) {
@@ -233,14 +248,13 @@ func startPassiveTapper(streamsMap api.TcpStreamMap, assembler *tcpAssembler) {
 	staleConnectionTimeout := time.Second * time.Duration(*staleTimeoutSeconds)
 	cleaner := Cleaner{
 		assembler:         assembler.Assembler,
-		assemblerMutex:    &assembler.assemblerMutex,
 		cleanPeriod:       cleanPeriod,
 		connectionTimeout: staleConnectionTimeout,
 		streamsMap:        streamsMap,
 	}
 	cleaner.start()
 
-	go printPeriodicStats(&cleaner)
+	go printPeriodicStats(&cleaner, assembler)
 
 	assembler.processPackets(*hexdumppkt, mainPacketInputChan)
 
@@ -278,7 +292,7 @@ func startTlsTapper(extension *api.Extension, outputItems chan *api.OutputChanne
 	// A quick way to instrument libssl.so without PID filtering - used for debuging and troubleshooting
 	//
 	if os.Getenv("MIZU_GLOBAL_SSL_LIBRARY") != "" {
-		if err := tls.GlobalSsllibTap(os.Getenv("MIZU_GLOBAL_SSL_LIBRARY")); err != nil {
+		if err := tls.GlobalSSLLibTap(os.Getenv("MIZU_GLOBAL_SSL_LIBRARY")); err != nil {
 			tlstapper.LogError(err)
 			return nil
 		}

tap/source/packet_source_manager.go

@@ -160,3 +160,19 @@ func (m *PacketSourceManager) Close() {
 		src.close()
 	}
 }
+
+func (m *PacketSourceManager) Stats() string {
+	result := ""
+
+	for _, source := range m.sources {
+		stats, err := source.Stats()
+
+		if err != nil {
+			result = result + fmt.Sprintf("[%s: err:%s]", source.String(), err)
+		} else {
+			result = result + fmt.Sprintf("[%s: rec: %d dropped: %d]", source.String(), stats.PacketsReceived, stats.PacketsDropped)
+		}
+	}
+
+	return result
+}

tap/source/tcp_packet_source.go

@@ -116,6 +116,10 @@ func (source *tcpPacketSource) close() {
 	}
 }
 
+func (source *tcpPacketSource) Stats() (stat *pcap.Stats, err error) {
+	return source.handle.Stats()
+}
+
 func (source *tcpPacketSource) readPackets(ipdefrag bool, packets chan<- TcpPacketInfo) {
 	if dbgctl.MizuTapperDisablePcap {
 		return

tap/tcp_assembler.go

@@ -2,14 +2,15 @@ package tap
 
 import (
 	"encoding/hex"
+	"fmt"
 	"os"
 	"os/signal"
-	"sync"
 	"time"
 
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
 	"github.com/google/gopacket/reassembly"
+	"github.com/hashicorp/golang-lru/simplelru"
 	"github.com/up9inc/mizu/logger"
 	"github.com/up9inc/mizu/tap/api"
 	"github.com/up9inc/mizu/tap/dbgctl"
@@ -17,14 +18,33 @@ import (
 	"github.com/up9inc/mizu/tap/source"
 )
 
-const PACKETS_SEEN_LOG_THRESHOLD = 1000
+const (
+	lastClosedConnectionsMaxItems = 1000
+	packetsSeenLogThreshold       = 1000
+	lastAckThreshold              = time.Duration(3) * time.Second
+)
+
+type connectionId string
+
+func NewConnectionId(c string) connectionId {
+	return connectionId(c)
+}
+
+type AssemblerStats struct {
+	flushedConnections int
+	closedConnections  int
+}
 
 type tcpAssembler struct {
 	*reassembly.Assembler
-	streamPool     *reassembly.StreamPool
-	streamFactory  *tcpStreamFactory
-	assemblerMutex sync.Mutex
-	ignoredPorts   []uint16
+	streamPool             *reassembly.StreamPool
+	streamFactory          *tcpStreamFactory
+	ignoredPorts           []uint16
+	lastClosedConnections  *simplelru.LRU // Actual type is map[string]int64 which is "connId -> lastSeen"
+	liveConnections        map[connectionId]bool
+	maxLiveStreams         int
+	staleConnectionTimeout time.Duration
+	stats                  AssemblerStats
 }
 
 // Context
@@ -38,108 +58,166 @@ func (c *context) GetCaptureInfo() gopacket.CaptureInfo {
 	return c.CaptureInfo
 }
 
-func NewTcpAssembler(outputItems chan *api.OutputChannelItem, streamsMap api.TcpStreamMap, opts *TapOpts) *tcpAssembler {
+func NewTcpAssembler(outputItems chan *api.OutputChannelItem, streamsMap api.TcpStreamMap, opts *TapOpts) (*tcpAssembler, error) {
 	var emitter api.Emitter = &api.Emitting{
 		AppStats:      &diagnose.AppStats,
 		OutputChannel: outputItems,
 	}
 
-	streamFactory := NewTcpStreamFactory(emitter, streamsMap, opts)
-	streamPool := reassembly.NewStreamPool(streamFactory)
-	assembler := reassembly.NewAssembler(streamPool)
+	lastClosedConnections, err := simplelru.NewLRU(lastClosedConnectionsMaxItems, func(key interface{}, value interface{}) {})
+
+	if err != nil {
+		return nil, err
+	}
+
+	a := &tcpAssembler{
+		ignoredPorts:           opts.IgnoredPorts,
+		lastClosedConnections:  lastClosedConnections,
+		liveConnections:        make(map[connectionId]bool),
+		maxLiveStreams:         opts.maxLiveStreams,
+		staleConnectionTimeout: opts.staleConnectionTimeout,
+		stats:                  AssemblerStats{},
+	}
+
+	a.streamFactory = NewTcpStreamFactory(emitter, streamsMap, opts, a)
+	a.streamPool = reassembly.NewStreamPool(a.streamFactory)
+	a.Assembler = reassembly.NewAssembler(a.streamPool)
 
 	maxBufferedPagesTotal := GetMaxBufferedPagesPerConnection()
 	maxBufferedPagesPerConnection := GetMaxBufferedPagesTotal()
 	logger.Log.Infof("Assembler options: maxBufferedPagesTotal=%d, maxBufferedPagesPerConnection=%d, opts=%v",
 		maxBufferedPagesTotal, maxBufferedPagesPerConnection, opts)
-	assembler.AssemblerOptions.MaxBufferedPagesTotal = maxBufferedPagesTotal
-	assembler.AssemblerOptions.MaxBufferedPagesPerConnection = maxBufferedPagesPerConnection
+	a.Assembler.AssemblerOptions.MaxBufferedPagesTotal = maxBufferedPagesTotal
+	a.Assembler.AssemblerOptions.MaxBufferedPagesPerConnection = maxBufferedPagesPerConnection
 
-	return &tcpAssembler{
-		Assembler:     assembler,
-		streamPool:    streamPool,
-		streamFactory: streamFactory,
-		ignoredPorts:  opts.IgnoredPorts,
-	}
+	return a, nil
 }
 
 func (a *tcpAssembler) processPackets(dumpPacket bool, packets <-chan source.TcpPacketInfo) {
 	signalChan := make(chan os.Signal, 1)
 	signal.Notify(signalChan, os.Interrupt)
+	ticker := time.NewTicker(a.staleConnectionTimeout)
 
-	for packetInfo := range packets {
-		packetsCount := diagnose.AppStats.IncPacketsCount()
-
-		if packetsCount%PACKETS_SEEN_LOG_THRESHOLD == 0 {
-			logger.Log.Debugf("Packets seen: #%d", packetsCount)
-		}
-
-		packet := packetInfo.Packet
-		data := packet.Data()
-		diagnose.AppStats.UpdateProcessedBytes(uint64(len(data)))
-		if dumpPacket {
-			logger.Log.Debugf("Packet content (%d/0x%x) - %s", len(data), len(data), hex.Dump(data))
-		}
-
-		tcp := packet.Layer(layers.LayerTypeTCP)
-		if tcp != nil {
-			diagnose.AppStats.IncTcpPacketsCount()
-			tcp := tcp.(*layers.TCP)
-
-			if a.shouldIgnorePort(uint16(tcp.DstPort)) {
-				diagnose.AppStats.IncIgnoredPacketsCount()
-			} else {
-				c := context{
-					CaptureInfo: packet.Metadata().CaptureInfo,
-					Origin:      packetInfo.Source.Origin,
-				}
-				diagnose.InternalStats.Totalsz += len(tcp.Payload)
-				if !dbgctl.MizuTapperDisableTcpReassembly {
-					a.assemblerMutex.Lock()
-					a.AssembleWithContext(packet.NetworkLayer().NetworkFlow(), tcp, &c)
-					a.assemblerMutex.Unlock()
-				}
-			}
-		}
-
-		done := *maxcount > 0 && int64(diagnose.AppStats.PacketsCount) >= *maxcount
-		if done {
-			errorMapLen, _ := diagnose.TapErrors.GetErrorsSummary()
-			logger.Log.Infof("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)",
-				diagnose.AppStats.PacketsCount,
-				diagnose.AppStats.ProcessedBytes,
-				time.Since(diagnose.AppStats.StartTime),
-				diagnose.TapErrors.ErrorsCount,
-				errorMapLen)
-		}
-
+out:
+	for {
 		select {
+		case packetInfo, ok := <-packets:
+			if !ok {
+				break out
+			}
+			if a.processPacket(packetInfo, dumpPacket) {
+				break out
+			}
 		case <-signalChan:
 			logger.Log.Infof("Caught SIGINT: aborting")
-			done = true
-		default:
-			// NOP: continue
-		}
-		if done {
-			break
+			break out
+		case <-ticker.C:
+			a.periodicClean()
 		}
 	}
 
-	a.assemblerMutex.Lock()
 	closed := a.FlushAll()
-	a.assemblerMutex.Unlock()
 	logger.Log.Debugf("Final flush: %d closed", closed)
 }
 
+func (a *tcpAssembler) processPacket(packetInfo source.TcpPacketInfo, dumpPacket bool) bool {
+	packetsCount := diagnose.AppStats.IncPacketsCount()
+
+	if packetsCount%packetsSeenLogThreshold == 0 {
+		logger.Log.Debugf("Packets seen: #%d", packetsCount)
+	}
+
+	packet := packetInfo.Packet
+	data := packet.Data()
+	diagnose.AppStats.UpdateProcessedBytes(uint64(len(data)))
+	if dumpPacket {
+		logger.Log.Debugf("Packet content (%d/0x%x) - %s", len(data), len(data), hex.Dump(data))
+	}
+
+	tcp := packet.Layer(layers.LayerTypeTCP)
+	if tcp != nil {
+		a.processTcpPacket(packetInfo.Source.Origin, packet, tcp.(*layers.TCP))
+	}
+
+	done := *maxcount > 0 && int64(diagnose.AppStats.PacketsCount) >= *maxcount
+	if done {
+		errorMapLen, _ := diagnose.TapErrors.GetErrorsSummary()
+		logger.Log.Infof("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)",
+			diagnose.AppStats.PacketsCount,
+			diagnose.AppStats.ProcessedBytes,
+			time.Since(diagnose.AppStats.StartTime),
+			diagnose.TapErrors.ErrorsCount,
+			errorMapLen)
+	}
+	return done
+}
+
+func (a *tcpAssembler) processTcpPacket(origin api.Capture, packet gopacket.Packet, tcp *layers.TCP) {
+	diagnose.AppStats.IncTcpPacketsCount()
+	if a.shouldIgnorePort(uint16(tcp.DstPort)) || a.shouldIgnorePort(uint16(tcp.SrcPort)) {
+		diagnose.AppStats.IncIgnoredPacketsCount()
+		return
+	}
+
+	id := getConnectionId(packet.NetworkLayer().NetworkFlow().Src().String(),
+		packet.TransportLayer().TransportFlow().Src().String(),
+		packet.NetworkLayer().NetworkFlow().Dst().String(),
+		packet.TransportLayer().TransportFlow().Dst().String())
+
+	if a.isRecentlyClosed(id) {
+		diagnose.AppStats.IncIgnoredLastAckCount()
+		return
+	}
+
+	if a.shouldThrottle(id) {
+		diagnose.AppStats.IncThrottledPackets()
+		return
+	}
+
+	c := context{
+		CaptureInfo: packet.Metadata().CaptureInfo,
+		Origin:      origin,
+	}
+	diagnose.InternalStats.Totalsz += len(tcp.Payload)
+	if !dbgctl.MizuTapperDisableTcpReassembly {
+		a.AssembleWithContext(packet.NetworkLayer().NetworkFlow(), tcp, &c)
+	}
+}
+
+func (a *tcpAssembler) tcpStreamCreated(stream *tcpStream) {
+	a.liveConnections[stream.connectionId] = true
+}
+
+func (a *tcpAssembler) tcpStreamClosed(stream *tcpStream) {
+	a.lastClosedConnections.Add(stream.connectionId, time.Now().UnixMilli())
+	delete(a.liveConnections, stream.connectionId)
+}
+
+func (a *tcpAssembler) isRecentlyClosed(c connectionId) bool {
+	if closedTimeMillis, ok := a.lastClosedConnections.Get(c); ok {
+		timeSinceClosed := time.Since(time.UnixMilli(closedTimeMillis.(int64)))
+		if timeSinceClosed < lastAckThreshold {
+			return true
+		}
+	}
+	return false
+}
+
+func (a *tcpAssembler) shouldThrottle(c connectionId) bool {
+	if _, ok := a.liveConnections[c]; ok {
+		return false
+	}
+
+	return len(a.liveConnections) > a.maxLiveStreams
+}
+
 func (a *tcpAssembler) dumpStreamPool() {
 	a.streamPool.Dump()
 }
 
 func (a *tcpAssembler) waitAndDump() {
 	a.streamFactory.WaitGoRoutines()
-	a.assemblerMutex.Lock()
 	logger.Log.Debugf("%s", a.Dump())
-	a.assemblerMutex.Unlock()
 }
 
 func (a *tcpAssembler) shouldIgnorePort(port uint16) bool {
@@ -151,3 +229,26 @@ func (a *tcpAssembler) shouldIgnorePort(port uint16) bool {
 
 	return false
 }
+
+func (a *tcpAssembler) periodicClean() {
+	flushed, closed := a.FlushCloseOlderThan(time.Now().Add(-a.staleConnectionTimeout))
+	stats := a.stats
+	stats.closedConnections += closed
+	stats.flushedConnections += flushed
+}
+
+func (a *tcpAssembler) DumpStats() AssemblerStats {
+	result := a.stats
+	a.stats = AssemblerStats{}
+	return result
+}
+
+func getConnectionId(saddr string, sport string, daddr string, dport string) connectionId {
+	s := fmt.Sprintf("%s:%s", saddr, sport)
+	d := fmt.Sprintf("%s:%s", daddr, dport)
+	if s > d {
+		return NewConnectionId(fmt.Sprintf("%s#%s", s, d))
+	} else {
+		return NewConnectionId(fmt.Sprintf("%s#%s", d, s))
+	}
+}

tap/tcp_reassembly_stream.go

@@ -151,6 +151,6 @@ func (t *tcpReassemblyStream) ReassemblyComplete(ac reassembly.AssemblerContext)
 	if t.tcpStream.GetIsTapTarget() && !t.tcpStream.GetIsClosed() {
 		t.tcpStream.close()
 	}
-	// do not remove the connection to allow last ACK
-	return false
+
+	return true
 }

tap/tcp_stream.go

@@ -8,6 +8,11 @@ import (
 	"github.com/up9inc/mizu/tap/dbgctl"
 )
 
+type tcpStreamCallbacks interface {
+	tcpStreamCreated(stream *tcpStream)
+	tcpStreamClosed(stream *tcpStream)
+}
+
 /* It's a connection (bidirectional)
  * Implements gopacket.reassembly.Stream interface (Accept, ReassembledSG, ReassemblyComplete)
  * ReassembledSG gets called when new reassembled data is ready (i.e. bytes in order, no duplicates, complete)
@@ -25,16 +30,25 @@ type tcpStream struct {
 	reqResMatchers []api.RequestResponseMatcher
 	createdAt      time.Time
 	streamsMap     api.TcpStreamMap
+	connectionId   connectionId
+	callbacks      tcpStreamCallbacks
 	sync.Mutex
 }
 
-func NewTcpStream(isTapTarget bool, streamsMap api.TcpStreamMap, capture api.Capture) *tcpStream {
-	return &tcpStream{
-		isTapTarget: isTapTarget,
-		streamsMap:  streamsMap,
-		origin:      capture,
-		createdAt:   time.Now(),
+func NewTcpStream(isTapTarget bool, streamsMap api.TcpStreamMap, capture api.Capture,
+	connectionId connectionId, callbacks tcpStreamCallbacks) *tcpStream {
+	t := &tcpStream{
+		isTapTarget:  isTapTarget,
+		streamsMap:   streamsMap,
+		origin:       capture,
+		createdAt:    time.Now(),
+		connectionId: connectionId,
+		callbacks:    callbacks,
 	}
+
+	t.callbacks.tcpStreamCreated(t)
+
+	return t
 }
 
 func (t *tcpStream) getId() int64 {
@@ -56,9 +70,9 @@ func (t *tcpStream) close() {
 	t.isClosed = true
 
 	t.streamsMap.Delete(t.id)
-
 	t.client.close()
 	t.server.close()
+	t.callbacks.tcpStreamClosed(t)
 }
 
 func (t *tcpStream) addCounterPair(counterPair *api.CounterPair) {

tap/tcp_stream_factory.go

@@ -19,14 +19,15 @@ import (
  * Generates a new tcp stream for each new tcp connection. Closes the stream when the connection closes.
  */
 type tcpStreamFactory struct {
-	wg         sync.WaitGroup
-	emitter    api.Emitter
-	streamsMap api.TcpStreamMap
-	ownIps     []string
-	opts       *TapOpts
+	wg               sync.WaitGroup
+	emitter          api.Emitter
+	streamsMap       api.TcpStreamMap
+	ownIps           []string
+	opts             *TapOpts
+	streamsCallbacks tcpStreamCallbacks
 }
 
-func NewTcpStreamFactory(emitter api.Emitter, streamsMap api.TcpStreamMap, opts *TapOpts) *tcpStreamFactory {
+func NewTcpStreamFactory(emitter api.Emitter, streamsMap api.TcpStreamMap, opts *TapOpts, streamsCallbacks tcpStreamCallbacks) *tcpStreamFactory {
 	var ownIps []string
 
 	if localhostIPs, err := getLocalhostIPs(); err != nil {
@@ -39,10 +40,11 @@ func NewTcpStreamFactory(emitter api.Emitter, streamsMap api.TcpStreamMap, opts
 	}
 
 	return &tcpStreamFactory{
-		emitter:    emitter,
-		streamsMap: streamsMap,
-		ownIps:     ownIps,
-		opts:       opts,
+		emitter:          emitter,
+		streamsMap:       streamsMap,
+		ownIps:           ownIps,
+		opts:             opts,
+		streamsCallbacks: streamsCallbacks,
 	}
 }
 
@@ -57,7 +59,8 @@ func (factory *tcpStreamFactory) New(net, transport gopacket.Flow, tcpLayer *lay
 
 	props := factory.getStreamProps(srcIp, srcPort, dstIp, dstPort)
 	isTapTarget := props.isTapTarget
-	stream := NewTcpStream(isTapTarget, factory.streamsMap, getPacketOrigin(ac))
+	connectionId := getConnectionId(srcIp, srcPort, dstIp, dstPort)
+	stream := NewTcpStream(isTapTarget, factory.streamsMap, getPacketOrigin(ac), connectionId, factory.streamsCallbacks)
 	reassemblyStream := NewTcpReassemblyStream(fmt.Sprintf("%s:%s", net, transport), tcpLayer, fsmOptions, stream)
 	if stream.GetIsTapTarget() {
 		stream.setId(factory.streamsMap.NextId())

tap/tlstapper/bpf-builder/build.sh

@@ -6,17 +6,22 @@ MIZU_HOME=$(realpath ../../../)
 
 docker build -t mizu-ebpf-builder . || exit 1
 
+BPF_TARGET=amd64
+BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_x86"
+ARCH=$(uname -m)
+if [[ $ARCH == "aarch64" ]]; then
+    BPF_TARGET=arm64
+    BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_arm64"
+fi
+
 docker run --rm \
 	--name mizu-ebpf-builder \
 	-v $MIZU_HOME:/mizu \
 	-v $(go env GOPATH):/root/go \
 	-it mizu-ebpf-builder \
 	sh -c "
-		go generate tap/tlstapper/tls_tapper.go
-		chown $(id -u):$(id -g) tap/tlstapper/tlstapper_bpfeb.go
-		chown $(id -u):$(id -g) tap/tlstapper/tlstapper_bpfeb.o
-		chown $(id -u):$(id -g) tap/tlstapper/tlstapper_bpfel.go
-		chown $(id -u):$(id -g) tap/tlstapper/tlstapper_bpfel.o
+		BPF_TARGET=\"$BPF_TARGET\" BPF_CFLAGS=\"$BPF_CFLAGS\" go generate tap/tlstapper/tls_tapper.go
+		chown $(id -u):$(id -g) tap/tlstapper/tlstapper_bpf*
 	" || exit 1
 
 popd

tap/tlstapper/bpf/common.c

@@ -80,10 +80,6 @@ static __always_inline void send_chunk(struct pt_regs *ctx, __u8* buffer, __u64
 }
 
 static __always_inline void output_ssl_chunk(struct pt_regs *ctx, struct ssl_info* info, int count_bytes, __u64 id, __u32 flags) {
-    if (count_bytes <= 0) {
-        return;
-    }
-
     if (count_bytes > (CHUNK_SIZE * MAX_CHUNKS_PER_OPERATION)) {
         log_error(ctx, LOG_ERROR_BUFFER_TOO_BIG, id, count_bytes, 0l);
         return;

tap/tlstapper/bpf/go_uprobes.c

@@ -128,6 +128,15 @@ static __always_inline void go_crypto_tls_ex_uprobe(struct pt_regs *ctx, struct
         return;
     }
 
+    // In case of read, the length is determined on return
+    if (flags == FLAGS_IS_READ_BIT) {
+        info.buffer_len = GO_ABI_INTERNAL_PT_REGS_R1(ctx); // n in return n, nil
+        // This check achieves ignoring 0 length reads (the reads result with an error)
+        if (info.buffer_len <= 0) {
+            return;
+        }
+    }
+
     output_ssl_chunk(ctx, &info, info.buffer_len, pid_tgid, flags);
 
     return;

tap/tlstapper/bpf/openssl_uprobes.c

@@ -101,6 +101,9 @@ static __always_inline void ssl_uretprobe(struct pt_regs *ctx, struct bpf_map_de
 	}
 
     int count_bytes = get_count_bytes(ctx, &info, id);
+    if (count_bytes <= 0) {
+        return;
+    }
 
 	output_ssl_chunk(ctx, &info, count_bytes, id, flags);
 }

tap/tlstapper/chunk.go

@@ -9,8 +9,8 @@ import (
 	"github.com/up9inc/mizu/tap/api"
 )
 
-const FLAGS_IS_CLIENT_BIT uint32 = (1 << 0)
-const FLAGS_IS_READ_BIT uint32 = (1 << 1)
+const FlagsIsClientBit uint32 = 1 << 0
+const FlagsIsReadBit uint32 = 1 << 1
 
 func (c *tlsTapperTlsChunk) getAddress() (net.IP, uint16, error) {
 	address := bytes.NewReader(c.Address[:])
@@ -36,7 +36,7 @@ func (c *tlsTapperTlsChunk) getAddress() (net.IP, uint16, error) {
 }
 
 func (c *tlsTapperTlsChunk) isClient() bool {
-	return c.Flags&FLAGS_IS_CLIENT_BIT != 0
+	return c.Flags&FlagsIsClientBit != 0
 }
 
 func (c *tlsTapperTlsChunk) isServer() bool {
@@ -44,7 +44,7 @@ func (c *tlsTapperTlsChunk) isServer() bool {
 }
 
 func (c *tlsTapperTlsChunk) isRead() bool {
-	return c.Flags&FLAGS_IS_READ_BIT != 0
+	return c.Flags&FlagsIsReadBit != 0
 }
 
 func (c *tlsTapperTlsChunk) isWrite() bool {

tap/tlstapper/go_offsets.go

@@ -113,7 +113,11 @@ func getOffsets(filePath string) (offsets map[string]*goExtendedOffset, err erro
 		return
 	}
 
-	syms, err := se.Symbols()
+	var syms []elf.Symbol
+	syms, err = se.Symbols()
+	if err != nil {
+		return
+	}
 	for _, sym := range syms {
 		offset := sym.Value
 
@@ -158,7 +162,7 @@ func getOffsets(filePath string) (offsets map[string]*goExtendedOffset, err erro
 		}
 		symBytes := textSectionData[symStartingIndex:symEndingIndex]
 
-		// disasemble the symbol
+		// disassemble the symbol
 		var instructions []gapstone.Instruction
 		instructions, err = engine.Disasm(symBytes, sym.Value, 0)
 		if err != nil {

tap/tlstapper/ssllib_hooks.go

@@ -107,47 +107,47 @@ func (s *sslHooks) installSslHooks(bpfObjects *tlsTapperObjects, sslLibrary *lin
 }
 
 func (s *sslHooks) close() []error {
-	errors := make([]error, 0)
+	returnValue := make([]error, 0)
 
 	if err := s.sslWriteProbe.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sslWriteRetProbe.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sslReadProbe.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sslReadRetProbe.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if s.sslWriteExProbe != nil {
 		if err := s.sslWriteExProbe.Close(); err != nil {
-			errors = append(errors, err)
+			returnValue = append(returnValue, err)
 		}
 	}
 
 	if s.sslWriteExRetProbe != nil {
 		if err := s.sslWriteExRetProbe.Close(); err != nil {
-			errors = append(errors, err)
+			returnValue = append(returnValue, err)
 		}
 	}
 
 	if s.sslReadExProbe != nil {
 		if err := s.sslReadExProbe.Close(); err != nil {
-			errors = append(errors, err)
+			returnValue = append(returnValue, err)
 		}
 	}
 
 	if s.sslReadExRetProbe != nil {
 		if err := s.sslReadExRetProbe.Close(); err != nil {
-			errors = append(errors, err)
+			returnValue = append(returnValue, err)
 		}
 	}
 
-	return errors
+	return returnValue
 }

tap/tlstapper/syscall_hooks.go

@@ -57,31 +57,31 @@ func (s *syscallHooks) installSyscallHooks(bpfObjects *tlsTapperObjects) error {
 }
 
 func (s *syscallHooks) close() []error {
-	errors := make([]error, 0)
+	returnValue := make([]error, 0)
 
 	if err := s.sysEnterRead.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sysEnterWrite.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sysEnterAccept4.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sysExitAccept4.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sysEnterConnect.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := s.sysExitConnect.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
-	return errors
+	return returnValue
 }

tap/tlstapper/tls_poller.go

@@ -34,7 +34,7 @@ type tlsPoller struct {
 	extension      *api.Extension
 	procfs         string
 	pidToNamespace sync.Map
-	fdCache        *simplelru.LRU // Actual typs is map[string]addressPair
+	fdCache        *simplelru.LRU // Actual type is map[string]addressPair
 	evictedCounter int
 }
 
@@ -273,13 +273,13 @@ func (p *tlsPoller) getNamespace(pid uint32) string {
 	namespaceIfc, ok := p.pidToNamespace.Load(pid)
 
 	if !ok {
-		return api.UNKNOWN_NAMESPACE
+		return api.UnknownNamespace
 	}
 
 	namespace, ok := namespaceIfc.(string)
 
 	if !ok {
-		return api.UNKNOWN_NAMESPACE
+		return api.UnknownNamespace
 	}
 
 	return namespace

tap/tlstapper/tls_process_discoverer.go

@@ -28,7 +28,7 @@ func UpdateTapTargets(tls *TlsTapper, pods *[]v1.Pod, procfs string) error {
 	tls.ClearPids()
 
 	for pid, pod := range containerPids {
-		if err := tls.AddSsllibPid(procfs, pid, pod.Namespace); err != nil {
+		if err := tls.AddSSLLibPid(procfs, pid, pod.Namespace); err != nil {
 			LogError(err)
 		}
 
@@ -90,14 +90,14 @@ func buildContainerIdsMap(pods *[]v1.Pod) map[string]v1.Pod {
 
 	for _, pod := range *pods {
 		for _, container := range pod.Status.ContainerStatuses {
-			url, err := url.Parse(container.ContainerID)
+			parsedUrl, err := url.Parse(container.ContainerID)
 
 			if err != nil {
 				logger.Log.Warningf("Expecting URL like container ID %v", container.ContainerID)
 				continue
 			}
 
-			result[url.Host] = pod
+			result[parsedUrl.Host] = pod
 		}
 	}
 

tap/tlstapper/tls_tapper.go

@@ -10,9 +10,9 @@ import (
 	"github.com/up9inc/mizu/tap/api"
 )
 
-const GLOABL_TAP_PID = 0
+const GlobalTapPid = 0
 
-//go:generate go run github.com/cilium/ebpf/cmd/bpf2go@0d0727ef53e2f53b1731c73f4c61e0f58693083a -type tls_chunk tlsTapper bpf/tls_tapper.c -- -O2 -g -D__TARGET_ARCH_x86
+//go:generate go run github.com/cilium/ebpf/cmd/bpf2go@0d0727ef53e2f53b1731c73f4c61e0f58693083a -target $BPF_TARGET -cflags $BPF_CFLAGS -type tls_chunk tlsTapper bpf/tls_tapper.c
 
 type TlsTapper struct {
 	bpfObjects      tlsTapperObjects
@@ -66,8 +66,8 @@ func (t *TlsTapper) PollForLogging() {
 	t.bpfLogger.poll()
 }
 
-func (t *TlsTapper) GlobalSsllibTap(sslLibrary string) error {
-	return t.tapSsllibPid(GLOABL_TAP_PID, sslLibrary, api.UNKNOWN_NAMESPACE)
+func (t *TlsTapper) GlobalSSLLibTap(sslLibrary string) error {
+	return t.tapSSLLibPid(GlobalTapPid, sslLibrary, api.UnknownNamespace)
 }
 
 func (t *TlsTapper) GlobalGoTap(procfs string, pid string) error {
@@ -76,18 +76,18 @@ func (t *TlsTapper) GlobalGoTap(procfs string, pid string) error {
 		return err
 	}
 
-	return t.tapGoPid(procfs, uint32(_pid), api.UNKNOWN_NAMESPACE)
+	return t.tapGoPid(procfs, uint32(_pid), api.UnknownNamespace)
 }
 
-func (t *TlsTapper) AddSsllibPid(procfs string, pid uint32, namespace string) error {
+func (t *TlsTapper) AddSSLLibPid(procfs string, pid uint32, namespace string) error {
 	sslLibrary, err := findSsllib(procfs, pid)
 
 	if err != nil {
 		logger.Log.Infof("PID skipped no libssl.so found (pid: %d) %v", pid, err)
-		return nil // hide the error on purpose, its OK for a process to not use libssl.so
+		return nil // hide the error on purpose, it's OK for a process to not use libssl.so
 	}
 
-	return t.tapSsllibPid(pid, sslLibrary, namespace)
+	return t.tapSSLLibPid(pid, sslLibrary, namespace)
 }
 
 func (t *TlsTapper) AddGoPid(procfs string, pid uint32, namespace string) error {
@@ -110,7 +110,7 @@ func (t *TlsTapper) ClearPids() {
 	t.poller.clearPids()
 	t.registeredPids.Range(func(key, v interface{}) bool {
 		pid := key.(uint32)
-		if pid == GLOABL_TAP_PID {
+		if pid == GlobalTapPid {
 			return true
 		}
 
@@ -123,31 +123,31 @@ func (t *TlsTapper) ClearPids() {
 }
 
 func (t *TlsTapper) Close() []error {
-	errors := make([]error, 0)
+	returnValue := make([]error, 0)
 
 	if err := t.bpfObjects.Close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
-	errors = append(errors, t.syscallHooks.close()...)
+	returnValue = append(returnValue, t.syscallHooks.close()...)
 
 	for _, sslHooks := range t.sslHooksStructs {
-		errors = append(errors, sslHooks.close()...)
+		returnValue = append(returnValue, sslHooks.close()...)
 	}
 
 	for _, goHooks := range t.goHooksStructs {
-		errors = append(errors, goHooks.close()...)
+		returnValue = append(returnValue, goHooks.close()...)
 	}
 
 	if err := t.bpfLogger.close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
 	if err := t.poller.close(); err != nil {
-		errors = append(errors, err)
+		returnValue = append(returnValue, err)
 	}
 
-	return errors
+	return returnValue
 }
 
 func setupRLimit() error {
@@ -160,15 +160,15 @@ func setupRLimit() error {
 	return nil
 }
 
-func (t *TlsTapper) tapSsllibPid(pid uint32, sslLibrary string, namespace string) error {
-	logger.Log.Infof("Tapping TLS (pid: %v) (sslLibrary: %v)", pid, sslLibrary)
-
+func (t *TlsTapper) tapSSLLibPid(pid uint32, sslLibrary string, namespace string) error {
 	newSsl := sslHooks{}
 
 	if err := newSsl.installUprobes(&t.bpfObjects, sslLibrary); err != nil {
 		return err
 	}
 
+	logger.Log.Infof("Tapping TLS (pid: %v) (sslLibrary: %v)", pid, sslLibrary)
+
 	t.sslHooksStructs = append(t.sslHooksStructs, newSsl)
 
 	t.poller.addPid(pid, namespace)

tap/tlstapper/tlstapper_bpfel_arm64.go

@@ -1,6 +1,6 @@
 // Code generated by bpf2go; DO NOT EDIT.
-//go:build arm64be || armbe || mips || mips64 || mips64p32 || ppc64 || s390 || s390x || sparc || sparc64
-// +build arm64be armbe mips mips64 mips64p32 ppc64 s390 s390x sparc sparc64
+//go:build arm64
+// +build arm64
 
 package tlstapper
 
@@ -208,5 +208,5 @@ func _TlsTapperClose(closers ...io.Closer) error {
 }
 
 // Do not access this directly.
-//go:embed tlstapper_bpfeb.o
+//go:embed tlstapper_bpfel_arm64.o
 var _TlsTapperBytes []byte

tap/tlstapper/tlstapper_bpfel_x86.go

@@ -1,6 +1,6 @@
 // Code generated by bpf2go; DO NOT EDIT.
-//go:build 386 || amd64 || amd64p32 || arm || arm64 || mips64le || mips64p32le || mipsle || ppc64le || riscv64
-// +build 386 amd64 amd64p32 arm arm64 mips64le mips64p32le mipsle ppc64le riscv64
+//go:build 386 || amd64
+// +build 386 amd64
 
 package tlstapper
 
@@ -208,5 +208,5 @@ func _TlsTapperClose(closers ...io.Closer) error {
 }
 
 // Do not access this directly.
-//go:embed tlstapper_bpfel.o
+//go:embed tlstapper_bpfel_x86.o
 var _TlsTapperBytes []byte

ui-common/package.json

@@ -20,7 +20,7 @@
     "test:lint": "eslint .",
     "predeploy": "cd example && npm install && npm run build",
     "deploy": "gh-pages -d example/build",
-    "eslint": "eslint . --ext .js,.jsx,.ts,.tsx"
+    "eslint": "eslint . --ext .js,.jsx,.ts,.tsx --max-warnings=0"
   },
   "peerDependencies": {
     "@craco/craco": "^6.4.3",
@@ -60,6 +60,7 @@
     "react-scrollable-feed-virtualized": "^1.4.9",
     "react-syntax-highlighter": "^15.5.0",
     "react-toastify": "^8.2.0",
+    "recharts": "^2.1.10",
     "redoc": "^2.0.0-rc.71",
     "styled-components": "^5.3.5",
     "web-vitals": "^2.1.4",

ui-common/src/components/EntriesList/EntriesList.tsx

@@ -109,7 +109,7 @@ export const EntriesList: React.FC<EntriesListProps> = ({
     if (scrollTo) {
       scrollableRef.current.scrollToIndex(data.data.length - 1);
     }
-  }, [setLoadMoreTop, setIsLoadingTop, entries, setEntries, query, setNoMoreDataTop, leftOffTop, setLeftOffTop, setQueriedTotal, setTruncatedTimestamp, scrollableRef]);
+  }, [setLoadMoreTop, setIsLoadingTop, entries, setEntries, query, setNoMoreDataTop, leftOffTop, setLeftOffTop, setQueriedTotal, setTruncatedTimestamp, scrollableRef, trafficViewerApi]);
 
   useEffect(() => {
     if (!isWsConnectionClosed || !loadMoreTop || noMoreDataTop) return;
@@ -121,7 +121,7 @@ export const EntriesList: React.FC<EntriesListProps> = ({
   useEffect(() => {
     if (!focusedEntryId && entries.length > 0)
       setFocusedEntryId(entries[0].id);
-  }, [focusedEntryId, entries])
+  }, [focusedEntryId, entries, setFocusedEntryId])
 
   useEffect(() => {
     const newEntries = [...entries];
@@ -131,7 +131,7 @@ export const EntriesList: React.FC<EntriesListProps> = ({
       setNoMoreDataTop(false);
       setEntries(newEntries);
     }
-  }, [entries])
+  }, [entries, setLeftOffTop, setNoMoreDataTop, setEntries])
 
   if(ws.current && !ws.current.onmessage) {
     ws.current.onmessage = (e) => {

ui-common/src/components/EntryListItem/EntryListItem.tsx

@@ -15,7 +15,6 @@ import outgoingIconFailure from "assets/outgoing-traffic-failure.svg"
 import outgoingIconNeutral from "assets/outgoing-traffic-neutral.svg"
 import {useRecoilState} from "recoil";
 import focusedEntryIdAtom from "../../recoil/focusedEntryId";
-import queryAtom from "../../recoil/query";
 
 interface TCPInterface {
     ip: string
@@ -66,7 +65,6 @@ enum CaptureTypes {
 export const EntryItem: React.FC<EntryProps> = ({entry, style, headingMode, namespace}) => {
 
     const [focusedEntryId, setFocusedEntryId] = useRecoilState(focusedEntryIdAtom);
-    const [queryState, setQuery] = useRecoilState(queryAtom);
     const isSelected = focusedEntryId === entry.id;
 
     const classification = getClassification(entry.status)

ui-common/src/components/TrafficViewer/TrafficViewer.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useRef, useState } from "react";
+import React, {useCallback, useEffect, useRef, useState} from "react";
 import { Filters } from "../Filters/Filters";
 import { EntriesList } from "../EntriesList/EntriesList";
 import makeStyles from '@mui/styles/makeStyles';
@@ -59,7 +59,6 @@ export const TrafficViewer: React.FC<TrafficViewerProps> = ({
                                                             }) => {
 
   const classes = useLayoutStyles();
-
   const setEntries = useSetRecoilState(entriesAtom);
   const setFocusedEntryId = useSetRecoilState(focusedEntryIdAtom);
   const query = useRecoilValue(queryAtom);
@@ -68,40 +67,44 @@ export const TrafficViewer: React.FC<TrafficViewerProps> = ({
   const [noMoreDataTop, setNoMoreDataTop] = useState(false);
   const [isSnappedToBottom, setIsSnappedToBottom] = useState(true);
   const [wsReadyState, setWsReadyState] = useState(0);
-
   const setLeftOffTop = useSetRecoilState(leftOffTopAtom);
   const scrollableRef = useRef(null);
 
 
+  const ws = useRef(null);
 
-
+  const closeWebSocket = useCallback(() => {
+    if (ws?.current?.readyState === WebSocket.OPEN) {
+      ws.current.close();
+      return true;
+    }
+  }, [])
 
   useEffect(() => {
     if(shouldCloseWebSocket){
       closeWebSocket()
       setShouldCloseWebSocket(false);
     }
-  }, [shouldCloseWebSocket])
+  }, [shouldCloseWebSocket, setShouldCloseWebSocket, closeWebSocket])
 
-  useEffect(() => {
-    reopenConnection()
-  }, [webSocketUrl])
-
-  const ws = useRef(null);
-
-  const openEmptyWebSocket = () => {
-    openWebSocket(DEFAULT_LEFTOFF, query, true, DEFAULT_FETCH, DEFAULT_FETCH_TIMEOUT_MS);
-  }
-
-  const closeWebSocket = () => {
-    if (ws?.current?.readyState === WebSocket.OPEN) {
-      ws.current.close();
-      return true;
-    }
-  }
+  const sendQueryWhenWsOpen = useCallback((leftOff: string, query: string, fetch: number, fetchTimeoutMs: number) => {
+    setTimeout(() => {
+      if (ws?.current?.readyState === WebSocket.OPEN) {
+        ws.current.send(JSON.stringify({
+          "leftOff": leftOff,
+          "query": query,
+          "enableFullEntries": false,
+          "fetch": fetch,
+          "timeoutMs": fetchTimeoutMs
+        }));
+      } else {
+        sendQueryWhenWsOpen(leftOff, query, fetch, fetchTimeoutMs);
+      }
+    }, 500)
+  }, [])
 
   const listEntry = useRef(null);
-  const openWebSocket = (leftOff: string, query: string, resetEntries: boolean, fetch: number, fetchTimeoutMs: number) => {
+  const openWebSocket = useCallback((leftOff: string, query: string, resetEntries: boolean, fetch: number, fetchTimeoutMs: number) => {
     if (resetEntries) {
       setFocusedEntryId(null);
       setEntries([]);
@@ -127,24 +130,11 @@ export const TrafficViewer: React.FC<TrafficViewerProps> = ({
       }
     } catch (e) {
     }
-  }
-
-  const sendQueryWhenWsOpen = (leftOff: string, query: string, fetch: number, fetchTimeoutMs: number) => {
-    setTimeout(() => {
-      if (ws?.current?.readyState === WebSocket.OPEN) {
-        ws.current.send(JSON.stringify({
-          "leftOff": leftOff,
-          "query": query,
-          "enableFullEntries": false,
-          "fetch": fetch,
-          "timeoutMs": fetchTimeoutMs
-        }));
-      } else {
-        sendQueryWhenWsOpen(leftOff, query, fetch, fetchTimeoutMs);
-      }
-    }, 500)
-  }
+  }, [setFocusedEntryId, setEntries, setLeftOffTop, setNoMoreDataTop, ws, sendQueryWhenWsOpen, webSocketUrl])
 
+  const openEmptyWebSocket = useCallback(() => {
+    openWebSocket(DEFAULT_LEFTOFF, query, true, DEFAULT_FETCH, DEFAULT_FETCH_TIMEOUT_MS);
+  }, [openWebSocket, query])
 
   useEffect(() => {
     setTrafficViewerApiState({...trafficViewerApiProp, webSocket: {close: closeWebSocket}});
@@ -156,7 +146,7 @@ export const TrafficViewer: React.FC<TrafficViewerProps> = ({
         console.error(error);
       }
     })()
-  }, []);
+  }, [trafficViewerApiProp, closeWebSocket, setTappingStatus, setTrafficViewerApiState]);
 
   const toggleConnection = () => {
     if (!closeWebSocket()) {
@@ -166,12 +156,17 @@ export const TrafficViewer: React.FC<TrafficViewerProps> = ({
     }
   }
 
-  const reopenConnection = async () => {
+  const reopenConnection = useCallback(async () => {
     closeWebSocket()
     openEmptyWebSocket();
     scrollableRef.current.jumpToBottom();
     setIsSnappedToBottom(true);
-  }
+  }, [scrollableRef, setIsSnappedToBottom, closeWebSocket, openEmptyWebSocket])
+
+  useEffect(() => {
+    reopenConnection()
+    // eslint-disable-next-line
+  }, [webSocketUrl])
 
   useEffect(() => {
     return () => {

ui-common/src/components/UI/InformationIcon/InformationIcon.tsx

@@ -11,7 +11,7 @@ interface LinkProps {
 }
 
 export const Link: React.FC<LinkProps> = ({ link, className, title, children }) => {
-    return <a href={link} className={className} title={title} target="_blank">
+    return <a href={link} className={className} title={title} target="_blank" rel="noreferrer">
         {children}
     </a>
 }

ui-common/src/components/UI/SelectList/SelectList.tsx

@@ -66,7 +66,7 @@ const SelectList: React.FC<Props> = ({ items, tableName, checkedValues = [], mul
         }
 
         setCheckedValues(newChecked)
-    }, [searchValue, checkedValues, filteredValuesKeys])
+    }, [checkedValues, filteredValuesKeys, items, setCheckedValues])
 
     const dataFieldFunc = (listValue) => listValue.component ? listValue.component :
         <span className={styles.nowrap} title={listValue.value}>

ui-common/src/components/modals/ServiceMapModal/ServiceMapModal.tsx

@@ -197,14 +197,14 @@ export const ServiceMapModal: React.FC<ServiceMapModalProps> = ({ isOpen, onClos
             <Fade in={isOpen}>
                 <Box sx={modalStyle}>
                     <div className={styles.closeIcon}>
-                        <img src={closeIcon} alt="close" onClick={() => onClose()} style={{ cursor: "pointer", userSelect: "none" }}></img>
+                        <img src={closeIcon} alt="close" onClick={() => onClose()} style={{ cursor: "pointer", userSelect: "none" }}/>
                     </div>
                     <div className={styles.headerContainer}>
                         <div className={styles.headerSection}>
                             <span className={styles.title}>Services</span>
                             <Button size="medium"
                                 variant="contained"
-                                startIcon={<img src={isFilterClicked ? filterIconClicked : filterIcon} className="custom" alt="refresh" style={{ height: "26px", width: "26px" }}></img>}
+                                startIcon={<img src={isFilterClicked ? filterIconClicked : filterIcon} className="custom" alt="refresh" style={{ height: "26px", width: "26px" }}/>}
                                 className={commonClasses.outlinedButton + " " + commonClasses.imagedButton + ` ${isFilterClicked ? commonClasses.clickedButton : ""}`}
                                 onClick={() => setIsFilterClicked(prevState => !prevState)}
                                 style={{ textTransform: 'unset' }}>

ui-common/src/components/modals/TrafficStatsModal/TimelineBarChart/TimelineBarChart.module.sass

@@ -0,0 +1,4 @@
+.barChartContainer
+    width: 100%
+    display: flex 
+    justify-content: center

ui-common/src/components/modals/TrafficStatsModal/TimelineBarChart/TimelineBarChart.tsx

@@ -0,0 +1,83 @@
+import styles from "./TimelineBarChart.module.sass";
+import { StatsMode } from "../TrafficStatsModal"
+import React, { useCallback, useEffect, useMemo, useState } from "react";
+import {
+    BarChart,
+    Bar,
+    XAxis,
+    YAxis,
+    Tooltip,
+    Legend
+} from "recharts";
+import { Utils } from "../../../../helpers/Utils";
+
+interface TimelineBarChartProps {
+    timeLineBarChartMode: string;
+    data: any;
+}
+
+export const TimelineBarChart: React.FC<TimelineBarChartProps> = ({ timeLineBarChartMode, data }) => {
+    const [protocolStats, setProtocolStats] = useState([]);
+    const [protocolsNamesAndColors, setProtocolsNamesAndColors] = useState([]);
+
+    const padTo2Digits = useCallback((num) => {
+        return String(num).padStart(2, '0');
+    }, [])
+
+    const getHoursAndMinutes = useCallback((protocolTimeKey) => {
+        const time = new Date(protocolTimeKey)
+        const hoursAndMinutes = padTo2Digits(time.getHours()) + ':' + padTo2Digits(time.getMinutes());
+        return hoursAndMinutes;
+    }, [padTo2Digits])
+
+    const creatUniqueObjArray = useCallback((objArray) => {
+        return [
+            ...new Map(objArray.map((item) => [item["name"], item])).values(),
+        ];
+    }, [])
+
+    useEffect(() => {
+        if (!data) return;
+        const protocolsBarsData = [];
+        const prtcNames = [];
+        data.forEach(protocolObj => {
+            let obj: { [k: string]: any } = {};
+            obj.timestamp = getHoursAndMinutes(protocolObj.timestamp);
+            protocolObj.protocols.forEach(protocol => {
+                obj[`${protocol.name}`] = protocol[StatsMode[timeLineBarChartMode]];
+                prtcNames.push({ name: protocol.name, color: protocol.color });
+            })
+            protocolsBarsData.push(obj);
+        })
+        const uniqueObjArray = creatUniqueObjArray(prtcNames);
+        protocolsBarsData.sort((a, b) => a.timestamp < b.timestamp ? -1 : 1);
+        setProtocolStats(protocolsBarsData);
+        setProtocolsNamesAndColors(uniqueObjArray);
+    }, [data, timeLineBarChartMode, setProtocolStats, setProtocolsNamesAndColors, creatUniqueObjArray, getHoursAndMinutes])
+
+    const bars = useMemo(() => protocolsNamesAndColors.map((protocolToDIsplay) => {
+        return <Bar key={protocolToDIsplay.name} dataKey={protocolToDIsplay.name} stackId="a" fill={protocolToDIsplay.color} />
+    }), [protocolsNamesAndColors])
+
+    return (
+        <div className={styles.barChartContainer}>
+            <BarChart
+                width={730}
+                height={250}
+                data={protocolStats}
+                margin={{
+                    top: 20,
+                    right: 30,
+                    left: 20,
+                    bottom: 5
+                }}
+            >
+                <XAxis dataKey="timestamp" />
+                <YAxis tickFormatter={(value) => timeLineBarChartMode === "VOLUME" ? Utils.humanFileSize(value) : value} />
+                <Tooltip formatter={(value) => timeLineBarChartMode === "VOLUME" ? Utils.humanFileSize(value) : value + " Requests"} />
+                <Legend />
+                {bars}
+            </BarChart>
+        </div>
+    );
+}

ui-common/src/components/modals/TrafficStatsModal/TrafficPieChart/TrafficPieChart.module.sass

@@ -0,0 +1,16 @@
+.breadCrumbsContainer
+  margin-top: 15px
+  height: 15px
+
+  .breadCrumbs
+    color: #494677
+    text-align: left
+
+    .clickableTag
+      margin-right: 5px
+      border-bottom: 1px black solid
+      cursor: pointer
+
+    .nonClickableTag
+      margin-left: 5px
+      font-weight: 600

ui-common/src/components/modals/TrafficStatsModal/TrafficPieChart/TrafficPieChart.tsx

@@ -0,0 +1,129 @@
+import React, {useEffect, useMemo, useState} from "react";
+import styles from "./TrafficPieChart.module.sass";
+import {Cell, Legend, Pie, PieChart, Tooltip} from "recharts";
+import {Utils} from "../../../../helpers/Utils";
+import {StatsMode as PieChartMode} from "../TrafficStatsModal"
+
+const COLORS = ['#e6194b', '#3cb44b', '#ffe119', '#4363d8', '#f58231', '#911eb4', '#46f0f0', '#f032e6', '#bcf60c', '#fabebe', '#008080', '#e6beff', '#9a6324', '#fffac8', '#800000', '#aaffc3', '#808000', '#ffd8b1', '#000075', '#808080', '#ffffff', '#000000'];
+
+const RADIAN = Math.PI / 180;
+const renderCustomizedLabel = ({
+                                 cx,
+                                 cy,
+                                 midAngle,
+                                 innerRadius,
+                                 outerRadius,
+                                 percent,
+                                 index
+                               }: any) => {
+  const radius = innerRadius + (outerRadius - innerRadius) * 0.5;
+  const x = cx + radius * Math.cos(-midAngle * RADIAN);
+  const y = cy + radius * Math.sin(-midAngle * RADIAN);
+
+  if (Number((percent * 100).toFixed(0)) <= 1) return;
+
+  return (
+    <text
+      x={x}
+      y={y}
+      fill="white"
+      textAnchor={x > cx ? "start" : "end"}
+      dominantBaseline="central"
+    >
+      {`${(percent * 100).toFixed(0)}%`}
+    </text>
+  );
+};
+
+interface TrafficPieChartProps {
+  pieChartMode: string;
+  data: any;
+}
+
+export const TrafficPieChart: React.FC<TrafficPieChartProps> = ({pieChartMode , data}) => {
+
+  const [protocolsStats, setProtocolsStats] = useState([]);
+  const [commandStats, setCommandStats] = useState(null);
+  const [selectedProtocol, setSelectedProtocol] = useState(null as string);
+
+  useEffect(() => {
+    if (!data) return;
+    const protocolsPieData = data.map(protocol => {
+      return {
+        name: protocol.name,
+        value: protocol[PieChartMode[pieChartMode]],
+        color: protocol.color
+      }
+    })
+    setProtocolsStats(protocolsPieData)
+  }, [data, pieChartMode])
+
+  useEffect(() => {
+    if (!selectedProtocol) {
+      setCommandStats(null);
+      return;
+    }
+    const commandsPieData = data.find(protocol => protocol.name === selectedProtocol).methods.map(command => {
+      return {
+        name: command.name,
+        value: command[PieChartMode[pieChartMode]]
+      }
+    })
+    setCommandStats(commandsPieData);
+  }, [selectedProtocol, pieChartMode, data])
+
+  const pieLegend = useMemo(() => {
+    if (!data) return;
+    let legend;
+    if (!selectedProtocol) {
+      legend = data.map(protocol => <div style={{marginBottom: 5, display: "flex"}}>
+        <div style={{height: 15, width: 30, background: protocol?.color}}/>
+        <span style={{marginLeft: 5}}>
+          {protocol.name}
+        </span>
+      </div>)
+    } else {
+      legend = data.find(protocol => protocol.name === selectedProtocol).methods.map((method, index) => <div
+        style={{marginBottom: 5, display: "flex"}}>
+        <div style={{height: 15, width: 30, background: COLORS[index % COLORS.length]}}/>
+        <span style={{marginLeft: 5}}>
+          {method.name}
+        </span>
+      </div>)
+    }
+    return <div>{legend}</div>;
+  }, [data, selectedProtocol])
+
+  return (
+    <div>
+      <div className={styles.breadCrumbsContainer}>
+        {selectedProtocol && <div className={styles.breadCrumbs}>
+          <span className={styles.clickableTag} onClick={() => setSelectedProtocol(null)}>protocols</span>
+          <span>/</span>
+          <span className={styles.nonClickableTag}>{selectedProtocol}</span>
+        </div>}
+      </div>
+
+      {protocolsStats?.length > 0 && <div style={{width: "100%", display: "flex", justifyContent: "center"}}>
+        <PieChart width={300} height={300}>
+          <Pie
+            data={commandStats || protocolsStats}
+            dataKey="value"
+            cx={150}
+            cy={125}
+            labelLine={false}
+            label={renderCustomizedLabel}
+            outerRadius={125}
+            fill="#8884d8"
+            onClick={(section) => !commandStats && setSelectedProtocol(section.name)}>
+            {(commandStats || protocolsStats).map((entry, index) => (
+              <Cell key={`cell-${index}`} fill={entry.color || COLORS[index % COLORS.length]}/>)
+            )}
+          </Pie>
+          <Legend wrapperStyle={{position: "absolute", width: "auto", height: "auto", right: -150, top: 0}} content={pieLegend}/>
+          <Tooltip formatter={(value) => pieChartMode === "VOLUME" ? Utils.humanFileSize(value) : value + " Requests"}/>
+        </PieChart>
+      </div>}
+    </div>
+  );
+}

ui-common/src/components/modals/TrafficStatsModal/TrafficStatsModal.module.sass

@@ -0,0 +1,19 @@
+.title
+  color: #494677
+  font-family: Source Sans Pro,Lucida Grande,Tahoma,sans-serif
+  font-size: 28px
+  font-weight: 600
+
+.closeIcon
+  position: absolute
+  right: 20px
+  top: 20px
+
+.mainContainer
+  padding: 30px
+  text-align: center
+
+.select
+  border: none
+  border-bottom: 1px black solid
+  outline: none

ui-common/src/components/modals/TrafficStatsModal/TrafficStatsModal.tsx

@@ -0,0 +1,97 @@
+import React, { useEffect, useState } from "react";
+import { Backdrop, Box, Fade, Modal } from "@mui/material";
+import styles from "./TrafficStatsModal.module.sass";
+import closeIcon from "assets/close.svg";
+import { TrafficPieChart } from "./TrafficPieChart/TrafficPieChart";
+import { TimelineBarChart } from "./TimelineBarChart/TimelineBarChart";
+import spinnerImg from "assets/spinner.svg";
+
+const modalStyle = {
+  position: 'absolute',
+  top: '6%',
+  left: '50%',
+  transform: 'translate(-50%, 0%)',
+  width: '50vw',
+  height: '82vh',
+  bgcolor: 'background.paper',
+  borderRadius: '5px',
+  boxShadow: 24,
+  p: 4,
+  color: '#000',
+};
+
+export enum StatsMode {
+  REQUESTS = "entriesCount",
+  VOLUME = "volumeSizeBytes"
+}
+
+interface TrafficStatsModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  getPieStatsDataApi: () => Promise<any>
+  getTimelineStatsDataApi: () => Promise<any>
+}
+
+export const TrafficStatsModal: React.FC<TrafficStatsModalProps> = ({ isOpen, onClose, getPieStatsDataApi, getTimelineStatsDataApi }) => {
+
+  const modes = Object.keys(StatsMode).filter(x => !(parseInt(x) >= 0));
+  const [statsMode, setStatsMode] = useState(modes[0]);
+  const [pieStatsData, setPieStatsData] = useState(null);
+  const [timelineStatsData, setTimelineStatsData] = useState(null);
+  const [isLoading, setIsLoading] = useState(false);
+
+  useEffect(() => {
+    if (isOpen && getPieStatsDataApi) {
+      (async () => {
+        try {
+          setIsLoading(true);
+          const pieData = await getPieStatsDataApi();
+          setPieStatsData(pieData);
+          const timelineData = await getTimelineStatsDataApi();
+          setTimelineStatsData(timelineData);
+        } catch (e) {
+          console.error(e)
+        } finally {
+          setIsLoading(false)
+        }
+      })()
+    }
+  }, [isOpen, getPieStatsDataApi, getTimelineStatsDataApi, setPieStatsData, setTimelineStatsData])
+
+  return (
+    <Modal
+      aria-labelledby="transition-modal-title"
+      aria-describedby="transition-modal-description"
+      open={isOpen}
+      onClose={onClose}
+      closeAfterTransition
+      BackdropComponent={Backdrop}
+      BackdropProps={{ timeout: 500 }}>
+      <Fade in={isOpen}>
+        <Box sx={modalStyle}>
+          <div className={styles.closeIcon}>
+            <img src={closeIcon} alt="close" onClick={() => onClose()} style={{ cursor: "pointer", userSelect: "none" }} />
+          </div>
+          <div className={styles.title}>Traffic Statistics</div>
+          <div className={styles.mainContainer}>
+            <div>
+              <span style={{ marginRight: 15 }}>Breakdown By</span>
+              <select className={styles.select} value={statsMode} onChange={(e) => setStatsMode(e.target.value)}>
+                {modes.map(mode => <option key={mode} value={mode}>{mode}</option>)}
+              </select>
+            </div>
+            <div>
+              {isLoading ? <div style={{ textAlign: "center", marginTop: 20 }}>
+                <img alt="spinner" src={spinnerImg} style={{ height: 50 }} />
+              </div> : 
+                <div>
+                  <TrafficPieChart pieChartMode={statsMode} data={pieStatsData} />
+                  <TimelineBarChart timeLineBarChartMode={statsMode} data={timelineStatsData} />
+                </div>}
+            </div>
+          </div>
+        </Box>
+      </Fade>
+    </Modal>
+  );
+}

ui-common/src/components/modals/TrafficStatsModal/assets/close.svg

@@ -0,0 +1,4 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M18.591 9.99997C18.591 14.7446 14.7447 18.5909 10.0001 18.5909C5.25546 18.5909 1.40918 14.7446 1.40918 9.99997C1.40918 5.25534 5.25546 1.40906 10.0001 1.40906C14.7447 1.40906 18.591 5.25534 18.591 9.99997Z" fill="#E9EBF8" stroke="#BCCEFD"/>
+<path d="M13.1604 8.23038L11.95 7.01994L10.1392 8.83078L8.32832 7.01994L7.11789 8.23038L8.92872 10.0412L7.12046 11.8495L8.33089 13.0599L10.1392 11.2517L11.9474 13.0599L13.1579 11.8495L11.3496 10.0412L13.1604 8.23038Z" fill="#205CF5"/>
+</svg>

ui-common/src/components/modals/TrafficStatsModal/assets/spinner.svg

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="margin: auto; background: none; display: block; shape-rendering: auto;" width="200px" height="200px" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid">
+<circle cx="50" cy="50" fill="none" stroke="#1d3f72" stroke-width="10" r="35" stroke-dasharray="164.93361431346415 56.97787143782138" transform="rotate(275.903 50 50)">
+  <animateTransform attributeName="transform" type="rotate" repeatCount="indefinite" dur="1s" values="0 50 50;360 50 50" keyTimes="0;1"></animateTransform>
+</circle>
+<!-- [ldio] generated by https://loading.io/ --></svg>

ui-common/src/helpers/Utils.ts

@@ -4,4 +4,26 @@ const IP_ADDRESS_REGEX = /([0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3})(:([0-9]{
 export class Utils {
     static isIpAddress = (address: string): boolean => IP_ADDRESS_REGEX.test(address)
     static lineNumbersInString = (code:string): number => code.split("\n").length;
+
+  static humanFileSize(bytes, si=false, dp=1) {
+    const thresh = si ? 1000 : 1024;
+
+    if (Math.abs(bytes) < thresh) {
+      return bytes + ' B';
+    }
+
+    const units = si
+      ? ['kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
+      : ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
+    let u = -1;
+    const r = 10**dp;
+
+    do {
+      bytes /= thresh;
+      ++u;
+    } while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);
+
+
+    return bytes.toFixed(dp) + ' ' + units[u];
+  }
 }

ui-common/src/index.tsx

@@ -4,8 +4,9 @@ import { StatusBar } from './components/UI';
 import useWS, { DEFAULT_LEFTOFF } from './hooks/useWS';
 import OasModal from './components/modals/OasModal/OasModal';
 import { ServiceMapModal } from './components/modals/ServiceMapModal/ServiceMapModal';
+import { TrafficStatsModal } from './components/modals/TrafficStatsModal/TrafficStatsModal';
 
 export { CodeEditorWrap as QueryForm } from './components/Filters/Filters';
-export { UI, StatusBar, OasModal, ServiceMapModal }
+export { UI, StatusBar, OasModal, ServiceMapModal, TrafficStatsModal }
 export { useWS, DEFAULT_LEFTOFF }
 export default TrafficViewer;

ui-common/src/recoil/TrafficViewerApi/atom.ts

@@ -1,5 +1,4 @@
 import { atom } from "recoil";
-import TrafficViewerApi from "../../components/TrafficViewer/TrafficViewerApi";
 
 const TrafficViewerApiAtom = atom({
     key: "TrafficViewerApiAtom",

ui/src/App.tsx

@@ -5,9 +5,11 @@ import { ServiceMapModal } from '@up9/mizu-common';
 import { useRecoilState } from "recoil";
 import serviceMapModalOpenAtom from "./recoil/serviceMapModalOpen";
 import oasModalOpenAtom from './recoil/oasModalOpen/atom';
+import trafficStatsModalOpenAtom from "./recoil/trafficStatsModalOpen";
 import { OasModal } from '@up9/mizu-common';
 import Api from './helpers/api';
-import { ThemeProvider, StyledEngineProvider, createTheme } from '@mui/material';
+import {ThemeProvider, StyledEngineProvider, createTheme} from '@mui/material';
+import { TrafficStatsModal } from '@up9/mizu-common';
 
 const api = Api.getInstance()
 
@@ -15,6 +17,7 @@ const App = () => {
 
     const [serviceMapModalOpen, setServiceMapModalOpen] = useRecoilState(serviceMapModalOpenAtom);
     const [oasModalOpen, setOasModalOpen] = useRecoilState(oasModalOpenAtom)
+    const [trafficStatsModalOpen, setTrafficStatsModalOpen] = useRecoilState(trafficStatsModalOpenAtom);
 
     return (
         <StyledEngineProvider injectFirst>
@@ -33,6 +36,7 @@ const App = () => {
                         openModal={oasModalOpen}
                         handleCloseModal={() => setOasModalOpen(false)}
                     />}
+                    <TrafficStatsModal isOpen={trafficStatsModalOpen} onClose={() => setTrafficStatsModalOpen(false)} getPieStatsDataApi={api.getPieStats} getTimelineStatsDataApi={api.getTimelineStats}/>
                 </div>
             </ThemeProvider>
         </StyledEngineProvider>

ui/src/components/Pages/TrafficPage/TrafficPage.tsx

@@ -10,6 +10,8 @@ import "@up9/mizu-common/dist/index.css"
 import oasModalOpenAtom from "../../../recoil/oasModalOpen/atom";
 import serviceMap from "../../assets/serviceMap.svg";
 import services from "../../assets/services.svg";
+import trafficStatsIcon from "../../assets/trafficStats.svg";
+import trafficStatsModalOpenAtom from "../../../recoil/trafficStatsModalOpen";
 
 const api = Api.getInstance();
 
@@ -17,6 +19,7 @@ export const TrafficPage: React.FC = () => {
   const commonClasses = useCommonStyles();
   const [serviceMapModalOpen, setServiceMapModalOpen] = useRecoilState(serviceMapModalOpenAtom);
   const [openOasModal, setOpenOasModal] = useRecoilState(oasModalOpenAtom);
+  const [trafficStatsModalOpen, setTrafficStatsModalOpen] = useRecoilState(trafficStatsModalOpenAtom);
   const [shouldCloseWebSocket, setShouldCloseWebSocket] = useState(false);
 
   const trafficViewerApi = { ...api }
@@ -26,13 +29,17 @@ export const TrafficPage: React.FC = () => {
     setOpenOasModal(true);
   }
 
+  const handleOpenStatsModal = () => {
+    setShouldCloseWebSocket(true)
+    setTrafficStatsModalOpen(true);
+  }
+
   const openServiceMapModalDebounce = debounce(() => {
     setShouldCloseWebSocket(true)
     setServiceMapModalOpen(true)
   }, 500);
 
-  const actionButtons = (window["isOasEnabled"] || window["isServiceMapEnabled"]) &&
-    <div style={{ display: 'flex', height: "100%" }}>
+  const actionButtons = <div style={{ display: 'flex', height: "100%" }}>
       {window["isOasEnabled"] && <Button
         startIcon={<img className="custom" src={services} alt="services" />}
         size="large"
@@ -48,15 +55,24 @@ export const TrafficPage: React.FC = () => {
         variant="contained"
         className={commonClasses.outlinedButton + " " + commonClasses.imagedButton}
         onClick={openServiceMapModalDebounce}
-        style={{ textTransform: 'unset' }}>
+        style={{ marginRight: 25, textTransform: 'unset' }}>
         Service Map
       </Button>}
+    <Button
+        startIcon={<img className="custom" src={trafficStatsIcon} alt="services" />}
+        size="large"
+        variant="contained"
+        className={commonClasses.outlinedButton + " " + commonClasses.imagedButton}
+        style={{ textTransform: 'unset' }}
+        onClick={handleOpenStatsModal}>
+      Traffic Stats
+    </Button>
     </div>
 
   return (
     <>
       <TrafficViewer webSocketUrl={MizuWebsocketURL} shouldCloseWebSocket={shouldCloseWebSocket} setShouldCloseWebSocket={setShouldCloseWebSocket}
-        trafficViewerApiProp={trafficViewerApi} actionButtons={actionButtons} isShowStatusBar={!(openOasModal || serviceMapModalOpen)} isDemoBannerView={false} />
+        trafficViewerApiProp={trafficViewerApi} actionButtons={actionButtons} isShowStatusBar={!(openOasModal || serviceMapModalOpen || trafficStatsModalOpen)} isDemoBannerView={false} />
     </>
   );
 };

ui/src/components/assets/trafficStats.svg

@@ -0,0 +1,10 @@
+<svg width="22" height="16" viewBox="0 0 22 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<rect x="1.5" y="2.5" width="9" height="12" rx="1.5" stroke="#A0B2FF"/>
+<rect x="5" y="4" width="3.42857" height="2" rx="1" fill="#205CF5"/>
+<rect x="3" y="7" width="6" height="2" rx="1" fill="#205CF5"/>
+<rect x="3" y="11" width="6" height="2" rx="1" fill="#205CF5"/>
+<rect x="-0.5" y="0.5" width="9" height="12" rx="1.5" transform="matrix(-1 0 0 1 19 2)" stroke="#A0B2FF"/>
+<rect width="3" height="2" rx="1" transform="matrix(-1 0 0 1 15 4)" fill="#205CF5"/>
+<rect width="6" height="2" rx="1" transform="matrix(-1 0 0 1 18 7)" fill="#205CF5"/>
+<rect width="6" height="2" rx="1" transform="matrix(-1 0 0 1 18 11)" fill="#205CF5"/>
+</svg>

ui/src/helpers/api.js

@@ -110,4 +110,14 @@ export default class Api {
             headers
         });
     }
+
+    getPieStats = async () => {
+        const response = await client.get("/status/accumulative");
+        return response.data;
+    }
+
+    getTimelineStats = async () => {
+        const response = await client.get("/status/accumulativeTiming");
+        return response.data;
+    }
 }

ui/src/recoil/trafficStatsModalOpen/atom.ts

@@ -0,0 +1,8 @@
+import { atom } from "recoil"
+
+const trafficStatsModalOpenAtom = atom({
+    key: "trafficStatsModalOpenAtom",
+    default: false
+})
+
+export default trafficStatsModalOpenAtom;

ui/src/recoil/trafficStatsModalOpen/index.ts

@@ -0,0 +1,2 @@
+import atom from "./atom";
+export default atom;