Duplicate initialisation of PGM_MULTICAST_HOPS removed

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

src/pgm_socket.cpp

@@ -169,30 +169,24 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
     }
 
     {
-        //  Propagate various socket options to the OpenPGM layer.
-        const int rcvbuf = (int) options.rcvbuf;
-        if (rcvbuf) {
-            if (!pgm_setsockopt (sock, SOL_SOCKET, SO_RCVBUF, &rcvbuf,
-                  sizeof (rcvbuf)))
-                goto err_abort;
-        }
-
-        const int sndbuf = (int) options.sndbuf;
-        if (sndbuf) {
-            if (!pgm_setsockopt (sock, SOL_SOCKET, SO_SNDBUF, &sndbuf,
-                  sizeof (sndbuf)))
-                goto err_abort;
-        }
-
-        const int max_tpdu = (int) pgm_max_tpdu;
-        if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MTU, &max_tpdu,
-              sizeof (max_tpdu)))
-            goto err_abort;
-
-        const int multicast_hops = (int) options.multicast_hops;
-        if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_HOPS,
-              &multicast_hops, sizeof (int)))
-            goto err_abort;
+		const int rcvbuf = (int) options.rcvbuf;
+		if (rcvbuf) {
+		    if (!pgm_setsockopt (sock, SOL_SOCKET, SO_RCVBUF, &rcvbuf,
+		          sizeof (rcvbuf)))
+		        goto err_abort;
+		}
+
+		const int sndbuf = (int) options.sndbuf;
+		if (sndbuf) {
+		    if (!pgm_setsockopt (sock, SOL_SOCKET, SO_SNDBUF, &sndbuf,
+		          sizeof (sndbuf)))
+		        goto err_abort;
+		}
+
+		const int max_tpdu = (int) pgm_max_tpdu;
+		if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MTU, &max_tpdu,
+		      sizeof (max_tpdu)))
+		    goto err_abort;
     }
 
     if (receiver) {
@@ -317,24 +311,26 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
 
     //  Set IP level parameters.
     {
-        const int nonblocking      = 1,
-                  multicast_loop   = 0,
-                  multicast_hops   = 16,
-
-                  //  Expedited Forwarding PHB for network elements, no ECN.
-                  dscp             = 0x2e << 2; 
-
-        if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_LOOP,
-                &multicast_loop, sizeof (multicast_loop)) ||
-            !pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_HOPS,
-                &multicast_hops, sizeof (multicast_hops)))
-            goto err_abort;
-        if (AF_INET6 != sa_family && !pgm_setsockopt (sock,
-              IPPROTO_PGM, PGM_TOS, &dscp, sizeof (dscp)))
-            goto err_abort;
-        if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_NOBLOCK,
-              &nonblocking, sizeof (nonblocking)))
-            goto err_abort;
+		const int multicast_loop = 0;
+		if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_LOOP,
+		      &multicast_loop, sizeof (multicast_loop)))
+		    goto err_abort;
+
+		const int multicast_hops = options.multicast_hops;
+		if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_HOPS,
+		        &multicast_hops, sizeof (multicast_hops)))
+		    goto err_abort;
+
+		//  Expedited Forwarding PHB for network elements, no ECN.
+		const int dscp = 0x2e << 2; 
+		if (AF_INET6 != sa_family && !pgm_setsockopt (sock,
+		      IPPROTO_PGM, PGM_TOS, &dscp, sizeof (dscp)))
+		    goto err_abort;
+
+		const int nonblocking = 1;
+		if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_NOBLOCK,
+		      &nonblocking, sizeof (nonblocking)))
+		    goto err_abort;
     }
 
     //  Connect PGM transport to start state machine.