From c722edf5342c3a6763f5f38711e4e0126d118df1 Mon Sep 17 00:00:00 2001
From: Alessandro Puccetti <alessandro@kinvolk.io>
Date: Sat, 3 Sep 2016 00:02:38 +0200
Subject: [PATCH] plugins/traffic-control: export trafficControlStatus

Rename trafficControlStatus to TrafficControlStatus, because lint complains.
---
 examples/plugins/traffic-control/main.go | 18 ++++++++++--------
 examples/plugins/traffic-control/tc.go   |  8 ++++----
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/examples/plugins/traffic-control/main.go b/examples/plugins/traffic-control/main.go
index 0abbea057..2f456adf1 100644
--- a/examples/plugins/traffic-control/main.go
+++ b/examples/plugins/traffic-control/main.go
@@ -51,20 +51,21 @@ type Plugin struct {
 	clients []containerClient
 }
 
-type trafficControlStatus struct {
+// TrafficControlStatus keeps track of parameters status
+type TrafficControlStatus struct {
 	latency    string
 	packetLoss string
 }
 
 // String is useful to easily create a string of the traffic control plugin internal status.
 // Useful for debugging
-func (tcs *trafficControlStatus) String() string {
+func (tcs *TrafficControlStatus) String() string {
 	return fmt.Sprintf("%s %s", tcs.latency, tcs.packetLoss)
 }
 
 // SetLatency sets the latency value
 // the convention is that empty latency is represented by '-'
-func (tcs *trafficControlStatus) SetLatency(latency string) {
+func (tcs *TrafficControlStatus) SetLatency(latency string) {
 	if latency == "" {
 		tcs.latency = "-"
 	}
@@ -73,7 +74,7 @@ func (tcs *trafficControlStatus) SetLatency(latency string) {
 
 // SetPacketLoss sets the packet loss value
 // the convention is that empty packet loss is represented by '-'
-func (tcs *trafficControlStatus) SetPacketLoss(packetLoss string) {
+func (tcs *TrafficControlStatus) SetPacketLoss(packetLoss string) {
 	if packetLoss == "" {
 		tcs.packetLoss = "-"
 	}
@@ -81,14 +82,15 @@ func (tcs *trafficControlStatus) SetPacketLoss(packetLoss string) {
 }
 
 // TrafficControlStatusInit initializes with the convention that empty values are '-'
-func TrafficControlStatusInit() *trafficControlStatus {
-	return &trafficControlStatus{
+func TrafficControlStatusInit() *TrafficControlStatus {
+	return &TrafficControlStatus{
 		latency:    "-",
 		packetLoss: "-",
 	}
 }
 
-var trafficControlStatusCache map[string]*trafficControlStatus
+// TrafficControlStatusCache implements status caching
+var trafficControlStatusCache map[string]*TrafficControlStatus
 
 func main() {
 	const socket = "/var/run/scope/plugins/traffic-control.sock"
@@ -105,7 +107,7 @@ func main() {
 	if err != nil {
 		log.Fatalf("Failed to create a plugin: %v", err)
 	}
-	trafficControlStatusCache = make(map[string]*trafficControlStatus)
+	trafficControlStatusCache = make(map[string]*TrafficControlStatus)
 	if err := plugin.Serve(listener); err != nil {
 		log.Fatalf("failed to serve: %v", err)
 	}
diff --git a/examples/plugins/traffic-control/tc.go b/examples/plugins/traffic-control/tc.go
index 1845ccc1d..2f9bf684c 100644
--- a/examples/plugins/traffic-control/tc.go
+++ b/examples/plugins/traffic-control/tc.go
@@ -125,7 +125,7 @@ func ClearTrafficControlSettings(pid int) error {
 }
 
 func getLatency(pid int) (string, error) {
-	var status *trafficControlStatus
+	var status *TrafficControlStatus
 	var err error
 	if status, err = getStatus(pid); err != nil {
 		return "-", err
@@ -136,7 +136,7 @@ func getLatency(pid int) (string, error) {
 }
 
 func getPacketLoss(pid int) (string, error) {
-	var status *trafficControlStatus
+	var status *TrafficControlStatus
 	var err error
 	if status, err = getStatus(pid); err != nil {
 		return "-", err
@@ -146,7 +146,7 @@ func getPacketLoss(pid int) (string, error) {
 	return status.packetLoss, nil
 }
 
-func getStatus(pid int) (*trafficControlStatus, error) {
+func getStatus(pid int) (*TrafficControlStatus, error) {
 	netNS := fmt.Sprintf("/proc/%d/ns/net", pid)
 	netNSID, err := getNSID(netNS)
 	if err != nil {
@@ -169,7 +169,7 @@ func getStatus(pid int) (*trafficControlStatus, error) {
 		return nil
 	})
 	// cache parameters
-	trafficControlStatusCache[netNSID] = &trafficControlStatus{
+	trafficControlStatusCache[netNSID] = &TrafficControlStatus{
 		latency:    parseLatency(output),
 		packetLoss: parsePacketLoss(output),
 	}