Added AF_UNIX socket support.

Signed-off-by: Brenden Matthews <brenden@diddyinc.com>

diff --git a/src/libmpdclient.c b/src/libmpdclient.c
index 4e789aa..968aa9b 100644 (file)
--- a/src/libmpdclient.c
+++ b/src/libmpdclient.c
@@ -52,6 +52,7 @@
 #  include <netinet/in.h>
 #  include <arpa/inet.h>
 #  include <sys/socket.h>
+#  include <sys/un.h>
 #  include <netdb.h>
 #endif
 
@@ -119,6 +120,38 @@ static int do_connect_fail(mpd_Connection *connection,
 }
 #endif /* !WIN32 */
 
+static int uds_connect(mpd_Connection *connection, const char *host,
+               float timeout)
+{
+       struct sockaddr_un addr;
+
+       strncpy(addr.sun_path, host, sizeof(addr.sun_path)-1);
+       addr.sun_family = AF_UNIX;
+       addr.sun_path[sizeof(addr.sun_path)-1] = 0;
+       connection->sock = socket(AF_UNIX, SOCK_STREAM, 0);
+
+       if (connection->sock < 0) {
+               snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
+                               "problems creating socket: %s", strerror(errno));
+               connection->error = MPD_ERROR_SYSTEM;
+               return -1;
+       }
+
+       mpd_setConnectionTimeout(connection, timeout);
+
+       /* connect stuff */
+       if (do_connect_fail(connection, (struct sockaddr *)&addr, SUN_LEN(&addr))) {
+               snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
+                               "problems cconnecting socket: %s", strerror(errno));
+               closesocket(connection->sock);
+               connection->sock = -1;
+               connection->error = MPD_ERROR_SYSTEM;
+               return -1;
+       }
+
+       return 0;
+}
+
 #ifdef MPD_HAVE_GAI
 static int mpd_connect(mpd_Connection *connection, const char *host, int port,
                float timeout)
@@ -129,6 +162,9 @@ static int mpd_connect(mpd_Connection *connection, const char *host, int port,
        struct addrinfo *res = NULL;
        struct addrinfo *addrinfo = NULL;
 
+       if (*host == '/')
+               return uds_connect(connection, host, timeout);
+
        /* Setup hints */
        hints.ai_flags          = AI_ADDRCONFIG;
        hints.ai_family         = AF_UNSPEC;
@@ -200,6 +236,9 @@ static int mpd_connect(mpd_Connection *connection, const char *host, int port,
        int destlen;
        struct sockaddr_in sin;
 
+       if (*host == '/')
+               return uds_connect(connection, host, timeout);
+
 #ifdef HAVE_GETHOSTBYNAME_R
                if (gethostbyname_r(rhost, &he, hostbuff, sizeof(hostbuff), &he_res, &he_errno)) {      // get the host info
                snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,