Revert "bsc_msc_ip: Use the autobind functionality of the kernel"

The autobind is not working as I wanted it to work. So we will
revert this for now and then try something else.

This reverts commit fd876b7488a8ae924f1a09144265d4474495408f.

1 files changed, 18 insertions, 1 deletions

diff --git a/openbsc/src/bsc_msc_ip.c b/openbsc/src/bsc_msc_ip.c
index 535445a4a..0bdb8ba54 100644
--- a/openbsc/src/bsc_msc_ip.c
+++ b/openbsc/src/bsc_msc_ip.c
@@ -642,6 +642,7 @@ static void mgcp_forward(struct msgb *msg)
 static int mgcp_create_port(void)
 {
 	int on;
+	int port;
 	struct sockaddr_in addr;
 
 	mgcp_agent.bfd.fd = socket(AF_INET, SOCK_DGRAM, 0);
@@ -653,10 +654,26 @@ static int mgcp_create_port(void)
 	on = 1;
 	setsockopt(mgcp_agent.bfd.fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
 
-	/* connect to the remote by using autobind */
+	/* try to bind the socket */
 	memset(&addr, 0, sizeof(addr));
 	addr.sin_family = AF_INET;
 	addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+
+	for (port = 2727; port < 3000; ++port) {
+		addr.sin_port = htons(port);
+		if (bind(mgcp_agent.bfd.fd, (struct sockaddr *) &addr, sizeof(addr)) == 0)
+			break;
+		perror("foo");
+	}
+
+	if (port >= 3000) {
+		LOGP(DMGCP, LOGL_FATAL, "Failed to bind to any port.\n");
+		close(mgcp_agent.bfd.fd);
+		mgcp_agent.bfd.fd = -1;
+		return -1;
+	}
+
+	/* connect to the remote */
 	addr.sin_port = htons(2427);
 	if (connect(mgcp_agent.bfd.fd, (struct sockaddr *) & addr, sizeof(addr)) < 0) {
 		LOGP(DMGCP, LOGL_FATAL, "Failed to connect to local MGCP GW. %d\n", errno);