[glibmm] Network example: Add --use-ipv6 command line option

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 5d8d185025872b59ae4209a0531ae2bb107942e7
Author: Shashank <shashank1 m samsung com>
Date:   Wed Aug 6 09:40:20 2014 +0200

    Network example: Add --use-ipv6 command line option
    
    * examples/network/socket-client.cc:
    * examples/network/socket-server.cc: Add --use-ipv6 command line option.
    Bug #734094.

 examples/network/socket-client.cc |   12 +++++++++++-
 examples/network/socket-server.cc |   21 +++++++++++++++++++--
 2 files changed, 30 insertions(+), 3 deletions(-)
---
diff --git a/examples/network/socket-client.cc b/examples/network/socket-client.cc
index 1276e37..4fd02e1 100644
--- a/examples/network/socket-client.cc
+++ b/examples/network/socket-client.cc
@@ -9,6 +9,7 @@ gboolean verbose = FALSE;
 gboolean non_blocking = FALSE;
 gboolean use_udp = FALSE;
 gboolean use_source = FALSE;
+gboolean use_ipv6 = FALSE;
 int cancel_timeout = 0;
 
 static GOptionEntry cmd_entries[] = {
@@ -22,6 +23,8 @@ static GOptionEntry cmd_entries[] = {
    "Enable non-blocking i/o", NULL},
   {"use-source", 's', 0, G_OPTION_ARG_NONE, &use_source,
    "Use GSource to wait for non-blocking i/o", NULL},
+  {"use-ipv6", 'i', 0, G_OPTION_ARG_NONE, &use_ipv6,
+   "Use ipv6 address family", NULL},
   {0, 0, 0, G_OPTION_ARG_NONE, 0, 0, 0}
 };
 
@@ -134,7 +137,14 @@ main (int argc,
     try {
         // FIXME: enum.pl has a problem generating the SocketFamily enum
         // correctly, so I'm using the C enum directly for now as a workaround.
-        socket = Gio::Socket::create ((Gio::SocketFamily)G_SOCKET_FAMILY_IPV4, socket_type, 
Gio::SOCKET_PROTOCOL_DEFAULT);
+        if (use_ipv6)
+        {
+            socket = Gio::Socket::create ((Gio::SocketFamily)G_SOCKET_FAMILY_IPV6, socket_type, 
Gio::SOCKET_PROTOCOL_DEFAULT);
+        }
+        else
+        {
+            socket = Gio::Socket::create ((Gio::SocketFamily)G_SOCKET_FAMILY_IPV4, socket_type, 
Gio::SOCKET_PROTOCOL_DEFAULT);
+        }
     } catch (const Gio::Error& error)
     {
         std::cerr << Glib::ustring::compose ("%1: %2\n", argv[0], error.what ());
diff --git a/examples/network/socket-server.cc b/examples/network/socket-server.cc
index 2bf9d2b..c10cf7b 100644
--- a/examples/network/socket-server.cc
+++ b/examples/network/socket-server.cc
@@ -10,6 +10,7 @@ gboolean dont_reuse_address = FALSE;
 gboolean non_blocking = FALSE;
 gboolean use_udp = FALSE;
 gboolean use_source = FALSE;
+gboolean use_ipv6 = FALSE;
 int cancel_timeout = 0;
 
 static GOptionEntry cmd_entries[] = {
@@ -27,6 +28,8 @@ static GOptionEntry cmd_entries[] = {
    "Enable non-blocking i/o", NULL},
   {"use-source", 's', 0, G_OPTION_ARG_NONE, &use_source,
    "Use GSource to wait for non-blocking i/o", NULL},
+  {"use-ipv6", 'i', 0, G_OPTION_ARG_NONE, &use_ipv6,
+   "Use ipv6 address family", NULL},
   {0, 0, 0, G_OPTION_ARG_NONE, 0, 0, 0}
 };
 
@@ -126,7 +129,14 @@ main (int argc,
         socket_type = Gio::SOCKET_TYPE_STREAM;
 
     try {
-        socket = Gio::Socket::create ((Gio::SocketFamily)G_SOCKET_FAMILY_IPV4, socket_type, 
Gio::SOCKET_PROTOCOL_DEFAULT);
+        if (use_ipv6)
+        {
+            socket = Gio::Socket::create ((Gio::SocketFamily)G_SOCKET_FAMILY_IPV6, socket_type, 
Gio::SOCKET_PROTOCOL_DEFAULT);
+        }
+        else
+        {
+            socket = Gio::Socket::create ((Gio::SocketFamily)G_SOCKET_FAMILY_IPV4, socket_type, 
Gio::SOCKET_PROTOCOL_DEFAULT);
+        }
     } catch (const Gio::Error& error)
     {
         std::cerr << Glib::ustring::compose ("%1: %2\n", argv[0], error.what ());
@@ -136,7 +146,14 @@ main (int argc,
     if (non_blocking)
         socket->set_blocking (false);
 
-    src_address = Gio::InetSocketAddress::create (Gio::InetAddress::create_any ((Gio::SocketFamily) 
G_SOCKET_FAMILY_IPV4), port);
+    if (use_ipv6)
+    {
+        src_address = Gio::InetSocketAddress::create (Gio::InetAddress::create_any ((Gio::SocketFamily) 
G_SOCKET_FAMILY_IPV6), port);
+    }
+    else
+    {
+        src_address = Gio::InetSocketAddress::create (Gio::InetAddress::create_any ((Gio::SocketFamily) 
G_SOCKET_FAMILY_IPV4), port);
+    }
     try {
         socket->bind (src_address, !dont_reuse_address);
     } catch (const Gio::Error& error) {