[sr-dev] git:master:72c361fd: pv: config function to shift xavps to left with rotation

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 72c361fd80ba0f3d017591e4bb3fb883f7dec490
URL: https://github.com/kamailio/kamailio/commit/72c361fd80ba0f3d017591e4bb3fb883f7dec490

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2022-05-10T19:35:52+02:00

pv: config function to shift xavps to left with rotation

---

Modified: src/modules/pv/pv.c

---

Diff:  https://github.com/kamailio/kamailio/commit/72c361fd80ba0f3d017591e4bb3fb883f7dec490.diff
Patch: https://github.com/kamailio/kamailio/commit/72c361fd80ba0f3d017591e4bb3fb883f7dec490.patch

---

diff --git a/src/modules/pv/pv.c b/src/modules/pv/pv.c
index cdd34ce5b9..685c0ef9f0 100644
--- a/src/modules/pv/pv.c
+++ b/src/modules/pv/pv.c
@@ -608,6 +608,8 @@ static int w_xavi_child_sets(sip_msg_t *msg, char *prname, char *pcname,
 static int w_xavi_rm(sip_msg_t *msg, char *prname, char *p2);
 static int w_xavi_child_rm(sip_msg_t *msg, char *prname, char *pcname);
 
+static int w_xavp_lshift(sip_msg_t *msg, char *pxname, char *pidx);
+
 int pv_xavp_copy_fixup(void** param, int param_no);
 int pv_evalx_fixup(void** param, int param_no);
 int w_pv_evalx(struct sip_msg *msg, char *dst, str *fmt);
@@ -684,6 +686,9 @@ static cmd_export_t cmds[]={
 	{"xavi_child_rm", (cmd_function)w_xavi_child_rm,
 		2, fixup_spve_spve, fixup_free_spve_spve,
 		ANY_ROUTE},
+	{"xavp_lshift", (cmd_function)w_xavp_lshift,
+		2, fixup_spve_igp, fixup_free_spve_igp,
+		ANY_ROUTE},
 	{"sbranch_set_ruri",  (cmd_function)w_sbranch_set_ruri,  0, 0, 0,
 		ANY_ROUTE },
 	{"sbranch_append",    (cmd_function)w_sbranch_append,    0, 0, 0,
@@ -904,6 +909,38 @@ static int ki_xavp_print(sip_msg_t* msg)
 	return 1;
 }
 
+/**
+ *
+ */
+static int ki_xavp_lshift(sip_msg_t *msg, str *xname, int idx)
+{
+	int ret;
+
+	ret = xavp_lshift(xname, NULL, idx);
+
+	return (ret==0)?1:ret;
+}
+
+/**
+ *
+ */
+static int w_xavp_lshift(sip_msg_t *msg, char *pxname, char *pidx)
+{
+	str xname = STR_NULL;
+	int idx = 0;
+
+	if(fixup_get_svalue(msg, (gparam_t*)pxname, &xname)<0) {
+		LM_ERR("failed to get the xavp name\n");
+		return -1;
+	}
+	if(fixup_get_svalue(msg, (gparam_t*)pidx, &idx)<0) {
+		LM_ERR("failed to get the xavp index\n");
+		return -1;
+	}
+
+	return ki_xavp_lshift(msg, &xname, idx);
+}
+
 static int ki_xavu_print(sip_msg_t* msg)
 {
 	xavu_print_list(NULL);
@@ -3173,6 +3210,11 @@ static sr_kemi_t sr_kemi_pvx_exports[] = {
 		{ SR_KEMIP_STR, SR_KEMIP_INT, SR_KEMIP_STR,
 			SR_KEMIP_INT, SR_KEMIP_NONE, SR_KEMIP_NONE }
 	},
+	{ str_init("pvx"), str_init("xavp_lshift"),
+		SR_KEMIP_INT, ki_xavp_lshift,
+		{ SR_KEMIP_STR, SR_KEMIP_INT, SR_KEMIP_NONE,
+			SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
+	},
 
 	{ {0, 0}, {0, 0}, 0, NULL, { 0, 0, 0, 0, 0, 0 } }
 };