[sr-dev] git:master:1bde8e0e: core: function to get local socket by index

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 1bde8e0e6193f0ed63452b3b8d31bfc78121dfb6
URL: https://github.com/kamailio/kamailio/commit/1bde8e0e6193f0ed63452b3b8d31bfc78121dfb6

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2022-04-12T08:38:07+02:00

core: function to get local socket by index

---

Modified: src/core/socket_info.c
Modified: src/core/socket_info.h

---

Diff:  https://github.com/kamailio/kamailio/commit/1bde8e0e6193f0ed63452b3b8d31bfc78121dfb6.diff
Patch: https://github.com/kamailio/kamailio/commit/1bde8e0e6193f0ed63452b3b8d31bfc78121dfb6.patch

---

diff --git a/src/core/socket_info.c b/src/core/socket_info.c
index 5622e2634d..c9dd89118d 100644
--- a/src/core/socket_info.c
+++ b/src/core/socket_info.c
@@ -912,6 +912,40 @@ socket_info_t* ksr_get_socket_by_advertise(str *sockstr)
 	return NULL;
 }
 
+socket_info_t* ksr_get_socket_by_index(int idx)
+{
+	socket_info_t *si = NULL;
+	struct socket_info** list;
+	unsigned short c_proto;
+
+	if (idx<0) {
+		idx += _ksr_sockets_no;
+		if (idx < 0) {
+			LM_DBG("negative overall index\n");
+			return NULL;
+		}
+	}
+	c_proto = PROTO_UDP;
+	do {
+		/* get the proper sock_list */
+		list=get_sock_info_list(c_proto);
+
+		if (list==0) {
+			/* disabled or unknown protocol */
+			continue;
+		}
+
+		for (si=*list; si; si=si->next) {
+			if(idx==0) {
+				return si;
+			}
+			idx--;
+		}
+	} while((c_proto = next_proto(c_proto))!=0);
+
+	return NULL;
+}
+
 /* checks if the proto:port is one of the ports we listen on
  * and returns the corresponding socket_info structure.
  * if proto==0 (PROTO_NONE) the protocol is ignored
diff --git a/src/core/socket_info.h b/src/core/socket_info.h
index 3c8deeb244..cbc630b9b8 100644
--- a/src/core/socket_info.h
+++ b/src/core/socket_info.h
@@ -106,6 +106,7 @@ struct socket_info* find_si(struct ip_addr* ip, unsigned short port,
 socket_info_t* ksr_get_socket_by_name(str *sockname);
 socket_info_t* ksr_get_socket_by_listen(str *sockstr);
 socket_info_t* ksr_get_socket_by_advertise(str *sockstr);
+socket_info_t* ksr_get_socket_by_index(int idx);
 
 struct socket_info** get_sock_info_list(unsigned short proto);