[sr-dev] git:master: tmx: $T_branch(uri) - return uri of the branch when processing a reply in tm onreply_route

[Daniel-Constantin Mierla]

Module: sip-router
Branch: master
Commit: 87c5ae365d3ea216476d9ff901e072eec7b7eb3e
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=87c5ae365d3ea216476d9ff901e072eec7b7eb3e

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date:   Tue Dec  2 09:35:33 2014 +0100

tmx: $T_branch(uri) - return uri of the branch when processing a reply in tm onreply_route

- for other route blocks it returns null, the uri is available as $ru if the
  route block handles a request

---

 modules/tmx/t_var.c |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/modules/tmx/t_var.c b/modules/tmx/t_var.c
index 55919c5..2542ba4 100644
--- a/modules/tmx/t_var.c
+++ b/modules/tmx/t_var.c
@@ -631,6 +631,11 @@ int pv_parse_t_name(pv_spec_p sp, str *in)
 
 	switch(in->len)
 	{
+		case 3:
+			if(strncmp(in->s, "uri", 3) == 0)
+				sp->pvp.pvn.u.isname.name.n = 6;
+			else goto error;
+			break;
 		case 5:
 			if(strncmp(in->s, "flags", 5) == 0)
 				sp->pvp.pvn.u.isname.name.n = 5;
@@ -711,6 +716,7 @@ int pv_get_t(struct sip_msg *msg,  pv_param_t *param,
 int pv_get_t_branch(struct sip_msg *msg,  pv_param_t *param,
 		pv_value_t *res)
 {
+	tm_ctx_t *tcx = 0;
 	tm_cell_t *t;
 	int branch;
 
@@ -741,6 +747,21 @@ int pv_get_t_branch(struct sip_msg *msg,  pv_param_t *param,
 					LM_ERR("unsupported route_type %d\n", get_route_type());
 					return -1;
 			}
+		case 6:
+			if (get_route_type() != TM_ONREPLY_ROUTE) {
+				LM_ERR("$T_branch(uri) - unsupported route_type %d\n",
+						get_route_type());
+				return pv_get_null(msg, param, res);
+			}
+			tcx = _tmx_tmb.tm_ctx_get();
+			if(tcx == NULL) {
+				return pv_get_null(msg, param, res);
+			}
+			branch = tcx->branch_index;
+			if(branch<0 || branch>=t->nr_of_outgoings) {
+				return pv_get_null(msg, param, res);
+			}
+			return pv_get_strval(msg, param, res, &t->uac[branch].uri);
 	}
 	return 0;
 }