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/*
* Copyright (C) 2009, 2010 Jens Georg
* Copyright (C) 2009 Nokia Corporation.
* Copyright (C) 2006, 2007, 2008 OpenedHand Ltd.
*
* Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
* Jorn Baayen <jorn@openedhand.com>
* Jens Georg <mail@jensge.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:gupnp-windows-context-manager
* @short_description: Windows-specific implementation of #GUPnPContextManager.
*/
#include <config.h>
#include <string.h>
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0502
#endif
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include "gupnp-windows-context-manager.h"
#include "gupnp-context.h"
G_DEFINE_TYPE (GUPnPWindowsContextManager,
gupnp_windows_context_manager,
GUPNP_TYPE_SIMPLE_CONTEXT_MANAGER);
/*
* Create a context for all network interfaces that are up.
*/
static GList *
gupnp_windows_context_manager_get_interfaces
(GUPnPSimpleContextManager *manager)
{
GList *interfaces = NULL;
ULONG flags = GAA_FLAG_INCLUDE_PREFIX |
GAA_FLAG_SKIP_DNS_SERVER |
GAA_FLAG_SKIP_MULTICAST;
/* use 15k buffer initially as documented in MSDN */
DWORD size = 0x3C00;
DWORD ret;
PIP_ADAPTER_ADDRESSES adapters_addresses;
PIP_ADAPTER_ADDRESSES adapter;
ULONG family = gupnp_context_manager_get_socket_family (
GUPNP_CONTEXT_MANAGER (manager));
do {
adapters_addresses = (PIP_ADAPTER_ADDRESSES) g_malloc0 (size);
ret = GetAdaptersAddresses (family,
flags,
NULL,
adapters_addresses,
&size);
if (ret == ERROR_BUFFER_OVERFLOW) {
g_free (adapters_addresses);
}
} while (ret == ERROR_BUFFER_OVERFLOW);
if (ret != ERROR_SUCCESS)
return NULL;
for (adapter = adapters_addresses;
adapter != NULL;
adapter = adapter->Next) {
if (adapter->FirstUnicastAddress == NULL)
continue;
if (adapter->OperStatus != IfOperStatusUp)
continue;
interfaces = g_list_append (interfaces,
g_strdup (adapter->AdapterName));
}
return interfaces;
}
static void
gupnp_windows_context_manager_init (GUPnPWindowsContextManager *manager)
{
}
static void
gupnp_windows_context_manager_class_init (GUPnPWindowsContextManagerClass *klass)
{
GUPnPSimpleContextManagerClass *parent_class;
parent_class = GUPNP_SIMPLE_CONTEXT_MANAGER_CLASS (klass);
parent_class->get_interfaces =
gupnp_windows_context_manager_get_interfaces;
}
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