when ioctl() for getting the broadcast address fails, continue the loop to the next...

[deb_libnfs.git] / lib / socket.c

diff --git a/lib/socket.c b/lib/socket.c
index 3e4ad05062011041ecb002bd24589850a2ed244c..e4de894c854e3e752271b1a3cb6833b400ec1a2c 100644 (file)
--- a/lib/socket.c
+++ b/lib/socket.c
@@ -15,6 +15,9 @@
    along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -25,6 +28,9 @@
 #include <rpc/rpc.h>
 #include <rpc/xdr.h>
 #include <arpa/inet.h>
+#ifdef HAVE_SYS_FILIO_H
+#include <sys/filio.h>
+#endif
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -305,7 +311,7 @@ int rpc_connect_async(struct rpc_context *rpc, const char *server, int port, rpc
        switch (s.ss_family) {
        case AF_INET:
                socksize = sizeof(struct sockaddr_in);
-#ifdef HAVE_SOCK_SIN_LEN
+#ifdef HAVE_SOCKADDR_LEN
                sin->sin_len = socksize;
 #endif
                rpc->fd = socket(AF_INET, SOCK_STREAM, 0);
@@ -388,3 +394,42 @@ int rpc_bind_udp(struct rpc_context *rpc, char *addr, int port)
        return 0;
 }
 
+int rpc_set_udp_destination(struct rpc_context *rpc, char *addr, int port, int is_broadcast)
+{
+       struct addrinfo *ai = NULL;
+       char service[6];
+
+       if (rpc->is_udp == 0) {
+               rpc_set_error(rpc, "Can not set destination sockaddr. Not UDP context");
+               return -1;
+       }
+
+       snprintf(service, 6, "%d", port);
+       if (getaddrinfo(addr, service, NULL, &ai) != 0) {
+               rpc_set_error(rpc, "Invalid address:%s. "
+                       "Can not resolv into IPv4/v6 structure.");
+               return -1;
+       }
+
+       if (rpc->udp_dest) {
+               free(rpc->udp_dest);
+               rpc->udp_dest = NULL;
+       }
+       rpc->udp_dest = malloc(ai->ai_addrlen);
+       if (rpc->udp_dest == NULL) {
+               rpc_set_error(rpc, "Out of memory. Failed to allocate sockaddr structure");
+               return -1;
+       }
+       memcpy(rpc->udp_dest, ai->ai_addr, ai->ai_addrlen);
+       freeaddrinfo(ai);
+
+       rpc->is_broadcast = is_broadcast;
+       setsockopt(rpc->fd, SOL_SOCKET, SO_BROADCAST, &is_broadcast, sizeof(is_broadcast));
+
+       return 0;
+}
+
+struct sockaddr *rpc_get_recv_sockaddr(struct rpc_context *rpc)
+{
+       return (struct sockaddr *)&rpc->udp_src;
+}