[gssdp] Fix functionality on OpenBSD

[Jens Georg <jensgeorg src gnome org>]

commit 8284e59867d24dbb341da5c65b2458f48e211c20
Author: Jens Georg <mail jensge org>
Date:   Thu Jun 30 21:51:11 2011 +0200

    Fix functionality on OpenBSD

 libgssdp/gssdp-socket-functions.c |   24 ++++++++++++++++++++----
 libgssdp/gssdp-socket-functions.h |    2 --
 libgssdp/gssdp-socket-source.c    |    9 ++++-----
 3 files changed, 24 insertions(+), 11 deletions(-)
---
diff --git a/libgssdp/gssdp-socket-functions.c b/libgssdp/gssdp-socket-functions.c
index 37af2ca..6f10a9f 100644
--- a/libgssdp/gssdp-socket-functions.c
+++ b/libgssdp/gssdp-socket-functions.c
@@ -90,8 +90,13 @@ gssdp_socket_option_set (GSocket    *socket,
 
 gboolean
 gssdp_socket_enable_loop (GSocket *socket,
-                          gboolean enable,
+                          gboolean _enable,
                           GError **error) {
+#if defined(__OpenBSD__)
+        guint8 enable = (guint8) _enable;
+#else
+        gboolean enable = _enable;
+#endif
         return gssdp_socket_option_set (socket,
                                         IPPROTO_IP,
                                         IP_MULTICAST_LOOP,
@@ -102,8 +107,13 @@ gssdp_socket_enable_loop (GSocket *socket,
 
 gboolean
 gssdp_socket_set_ttl (GSocket *socket,
-                      int      ttl,
+                      int      _ttl,
                       GError **error) {
+#if defined(__OpenBSD__)
+        guint8 ttl = (guint8) _ttl;
+#else
+        int ttl = _ttl;
+#endif
         return gssdp_socket_option_set (socket,
                                         IPPROTO_IP,
                                         IP_MULTICAST_TTL,
@@ -143,19 +153,25 @@ gssdp_socket_mcast_interface_set (GSocket      *socket,
                                         error);
 }
 
-#ifdef G_OS_WIN32
 gboolean
 gssdp_socket_reuse_address (GSocket *socket,
                             gboolean enable,
                             GError **error) {
+#if defined(G_OS_WIN32) || defined(__OpenBSD__)
         return gssdp_socket_option_set (socket,
                                         SOL_SOCKET,
+#if defined(__OpenBSD__)
+                                        SO_REUSEPORT,
+#else
                                         SO_REUSEADDR,
+#endif
+
                                         (char *) &enable,
                                         sizeof (enable),
                                         error);
-}
 #endif
+        return TRUE;
+}
 
 
 /*
diff --git a/libgssdp/gssdp-socket-functions.h b/libgssdp/gssdp-socket-functions.h
index 99784d2..b9b5ca5 100644
--- a/libgssdp/gssdp-socket-functions.h
+++ b/libgssdp/gssdp-socket-functions.h
@@ -45,10 +45,8 @@ gssdp_socket_mcast_group_join    (GSocket       *socket,
                                   GInetAddress  *group,
                                   GInetAddress  *iface,
                                   GError       **error);
-#ifdef G_OS_WIN32
 G_GNUC_INTERNAL gboolean
 gssdp_socket_reuse_address       (GSocket *socket,
                                   gboolean enable,
                                   GError **error);
 #endif
-#endif
diff --git a/libgssdp/gssdp-socket-source.c b/libgssdp/gssdp-socket-source.c
index 14f56d3..720061e 100644
--- a/libgssdp/gssdp-socket-source.c
+++ b/libgssdp/gssdp-socket-source.c
@@ -249,11 +249,10 @@ gssdp_socket_source_do_init (GInitable     *initable,
                                                           port);
         }
 
-#ifdef G_OS_WIN32
-        /* normally g_socket_bind does this, but it is disabled on
+        /* Normally g_socket_bind does this, but it is disabled on
          * windows since SO_REUSEADDR has different semantics
-         * there. Nevertheless, there's no way without for
-         * multicast sockets
+         * there, also we nees SO_REUSEPORT on OpenBSD. This is a nop
+         * everywhere else.
          */
         if (!gssdp_socket_reuse_address (self->priv->socket,
                                          TRUE,
@@ -265,7 +264,7 @@ gssdp_socket_source_do_init (GInitable     *initable,
 
                 goto error;
         }
-#endif
+
         /* Bind to requested port and address */
         if (!g_socket_bind (self->priv->socket,
                             bind_address,