From 8930e401fcfcfd2a0b631ec2d915840bae8df06c Mon Sep 17 00:00:00 2001
From: Jan-Piet Mens <jpmens@gmail.com>
Date: Fri, 23 Oct 2015 17:03:19 +0200
Subject: [PATCH] new recorder option --norec

---
 README.md  | 5 +++++
 recorder.c | 9 +++++++++
 udata.h    | 1 +
 3 files changed, 15 insertions(+)

diff --git a/README.md b/README.md
index 0e8f2ff..624c754 100644
--- a/README.md
+++ b/README.md
@@ -284,6 +284,11 @@ Note in particular the `--hosted` option: you specify neither a host name or a p
 
 When the recorder has received a publish or two, visit it with your favorite Web browser by pointing your browser at `http://127.0.0.1:8083`.
 
+### Recorder options
+
+`--norec` disables writing of REC files, so no location history or other similar publishes are stored, and the Lua `otr_putrec()` function is not invoked even if it exists. What is stored are CARDS and PHOTOS, as well as the LAST location of a device. As such, the API's `/locations` endpoint becomes useless.
+
+
 ## Design decisions
 
 We took a number of decisions for the design of the recorder and its utilities:
diff --git a/recorder.c b/recorder.c
index 6274592..a21b428 100644
--- a/recorder.c
+++ b/recorder.c
@@ -306,6 +306,9 @@ static void putrec(struct udata *ud, time_t now, UT_string *reltopic, UT_string
 	FILE *fp;
 	int rc = 0;
 
+	if (ud->norec)
+		return;
+
 #ifdef WITH_LUA
 	rc = hooks_norec(ud, UB(username), UB(device), string);
 #endif
@@ -1002,6 +1005,7 @@ void usage(char *prog)
 #endif
 	printf("  --precision		       ghash precision (dflt: %d)\n", GHASHPREC);
 	printf("  --hosted		       use OwnTracks Hosted\n");
+	printf("  --norec		       don't maintain REC files\n");
 	printf("\n");
 	printf("Options override these environment variables:\n");
 	printf("  $OTR_HOST		MQTT hostname\n");
@@ -1045,6 +1049,7 @@ int main(int argc, char **argv)
 	udata.skipdemo		= TRUE;
 	udata.revgeo		= TRUE;
 	udata.verbose		= TRUE;
+	udata.norec		= FALSE;
 #ifdef WITH_LMDB
 	udata.gc		= NULL;
 	udata.t2t		= NULL;		/* Topic to TID */
@@ -1100,6 +1105,7 @@ int main(int argc, char **argv)
 			{ "quiet",	no_argument,		0, 	8},
 			{ "initialize",	no_argument,		0, 	9},
 			{ "label",	required_argument,	0, 	10},
+			{ "norec",	no_argument,		0, 	11},
 #ifdef WITH_LUA
 			{ "lua-script",	required_argument,	0, 	7},
 #endif
@@ -1117,6 +1123,9 @@ int main(int argc, char **argv)
 			break;
 
 		switch (ch) {
+			case 11:
+				udata.norec = TRUE;
+				break;
 			case 10:
 				free(udata.label);
 				udata.label = strdup(optarg);
diff --git a/udata.h b/udata.h
index 2eaed02..00cd7c8 100644
--- a/udata.h
+++ b/udata.h
@@ -19,6 +19,7 @@ struct udata {
 	int revgeo;			/* True (default) if we should do reverse Geo lookups */
 	int qos;			/* Subscribe QoS */
 	int verbose;			/* TRUE if print verbose messages to stdout */
+	int norec;			/* If TRUE, no .REC files are written to */
 #ifdef WITH_LMDB
 	struct gcache *gc;
 	struct gcache *t2t;		/* topic to tid */