[sr-dev] git:master:3806ca12: rr: exported is_direction() to kemi framework

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 3806ca121194d54bbd03ff257ec62505b15d0941
URL: https://github.com/kamailio/kamailio/commit/3806ca121194d54bbd03ff257ec62505b15d0941

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2018-07-11T18:01:48+02:00

rr: exported is_direction() to kemi framework

- rework of the patch from GH #1589

---

Modified: src/modules/rr/rr_mod.c

---

Diff:  https://github.com/kamailio/kamailio/commit/3806ca121194d54bbd03ff257ec62505b15d0941.diff
Patch: https://github.com/kamailio/kamailio/commit/3806ca121194d54bbd03ff257ec62505b15d0941.patch

---

diff --git a/src/modules/rr/rr_mod.c b/src/modules/rr/rr_mod.c
index eac10d272b..36b1c046a8 100644
--- a/src/modules/rr/rr_mod.c
+++ b/src/modules/rr/rr_mod.c
@@ -418,6 +418,28 @@ static int w_is_direction(struct sip_msg *msg,char *dir, char *foo)
 	return ((is_direction(msg,(int)(long)dir)==0)?1:-1);
 }
 
+static int ki_is_direction(sip_msg_t *msg, str *dir)
+{
+	int n;
+
+	if (!append_fromtag) {
+		LM_ERR("usage of \"is_direction\" function requires parameter"
+				"\"append_fromtag\" enabled!!");
+		return E_CFG;
+	}
+
+	if (dir->len==10 && strncasecmp(dir->s, "downstream", 10)==0) {
+		n = RR_FLOW_DOWNSTREAM;
+	} else if (dir->len==8 && strncasecmp(dir->s, "upstream", 8)==0) {
+		n = RR_FLOW_UPSTREAM;
+	} else {
+		LM_ERR("unknown direction '%.*s' - use 'downstream' or 'upstream'\n",
+				dir->len, dir->s);
+		return E_CFG;
+	}
+
+	return ((is_direction(msg,n)==0)?1:-1);
+}
 
 /*
  * Return the URI of the topmost Route-Header.
@@ -720,7 +742,11 @@ static sr_kemi_t sr_kemi_rr_exports[] = {
 		{ SR_KEMIP_STR, SR_KEMIP_NONE, SR_KEMIP_NONE,
 			SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
 	},
-
+	{ str_init("rr"), str_init("is_direction"),
+		SR_KEMIP_INT, ki_is_direction,
+		{ SR_KEMIP_STR, SR_KEMIP_NONE, SR_KEMIP_NONE,
+			SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
+	},
 	{ {0, 0}, {0, 0}, 0, NULL, { 0, 0, 0, 0, 0, 0 } }
 };