mirror of https://code.videolan.org/videolan/vlc
155 lines
5.0 KiB
C++
155 lines
5.0 KiB
C++
/*****************************************************************************
|
|
* upnp-wrapper.cpp : UPnP Instance Wrapper class
|
|
*****************************************************************************
|
|
* Copyright © 2004-2018 VLC authors and VideoLAN
|
|
*
|
|
* Authors: Rémi Denis-Courmont (original plugin)
|
|
* Christian Henz <henz # c-lab.de>
|
|
* Mirsal Ennaime <mirsal dot ennaime at gmail dot com>
|
|
* Hugo Beauzée-Luyssen <hugo@beauzee.fr>
|
|
* Shaleen Jain <shaleen@jain.sh>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#include <wincrypt.h>
|
|
#endif
|
|
|
|
#include "upnp-wrapper.hpp"
|
|
#include <vlc_cxx_helpers.hpp>
|
|
|
|
UpnpInstanceWrapper* UpnpInstanceWrapper::s_instance;
|
|
UpnpInstanceWrapper::Listeners UpnpInstanceWrapper::s_listeners;
|
|
vlc_mutex_t UpnpInstanceWrapper::s_lock = VLC_STATIC_MUTEX;
|
|
|
|
UpnpInstanceWrapper::UpnpInstanceWrapper()
|
|
: m_handle( -1 )
|
|
, m_refcount( 0 )
|
|
{
|
|
}
|
|
|
|
UpnpInstanceWrapper::~UpnpInstanceWrapper()
|
|
{
|
|
UpnpUnRegisterClient( m_handle );
|
|
UpnpFinish();
|
|
}
|
|
|
|
UpnpInstanceWrapper *UpnpInstanceWrapper::get(vlc_object_t *p_obj)
|
|
{
|
|
vlc_mutex_locker lock( &s_lock );
|
|
if ( s_instance == NULL )
|
|
{
|
|
UpnpInstanceWrapper* instance = new(std::nothrow) UpnpInstanceWrapper;
|
|
if ( unlikely( !instance ) )
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef UPNP_ENABLE_IPV6
|
|
char* psz_miface = var_InheritString( p_obj, "miface" );
|
|
if (psz_miface == NULL)
|
|
psz_miface = getPreferedAdapter();
|
|
msg_Info( p_obj, "Initializing libupnp on '%s' interface", psz_miface ? psz_miface : "default" );
|
|
int i_res = UpnpInit2( psz_miface, 0 );
|
|
free( psz_miface );
|
|
#else
|
|
/* If UpnpInit2 isnt available, initialize on first IPv4-capable interface */
|
|
char *psz_hostip = getIpv4ForMulticast();
|
|
int i_res = UpnpInit( psz_hostip, 0 );
|
|
free(psz_hostip);
|
|
#endif /* UPNP_ENABLE_IPV6 */
|
|
if( i_res != UPNP_E_SUCCESS )
|
|
{
|
|
msg_Err( p_obj, "Initialization failed: %s", UpnpGetErrorMessage( i_res ) );
|
|
delete instance;
|
|
return NULL;
|
|
}
|
|
|
|
ixmlRelaxParser( 1 );
|
|
|
|
/* Register a control point */
|
|
i_res = UpnpRegisterClient( Callback, NULL, &instance->m_handle );
|
|
if( i_res != UPNP_E_SUCCESS )
|
|
{
|
|
msg_Err( p_obj, "Client registration failed: %s", UpnpGetErrorMessage( i_res ) );
|
|
delete instance;
|
|
return NULL;
|
|
}
|
|
|
|
/* libupnp does not treat a maximum content length of 0 as unlimited
|
|
* until 64dedf (~ pupnp v1.6.7) and provides no sane way to discriminate
|
|
* between versions */
|
|
if( (i_res = UpnpSetMaxContentLength( INT_MAX )) != UPNP_E_SUCCESS )
|
|
{
|
|
msg_Err( p_obj, "Failed to set maximum content length: %s",
|
|
UpnpGetErrorMessage( i_res ));
|
|
delete instance;
|
|
return NULL;
|
|
}
|
|
s_instance = instance;
|
|
}
|
|
s_instance->m_refcount++;
|
|
return s_instance;
|
|
}
|
|
|
|
void UpnpInstanceWrapper::release()
|
|
{
|
|
UpnpInstanceWrapper *p_delete = NULL;
|
|
vlc::threads::mutex_locker lock( &s_lock );
|
|
if (--s_instance->m_refcount == 0)
|
|
{
|
|
p_delete = s_instance;
|
|
s_instance = NULL;
|
|
}
|
|
delete p_delete;
|
|
}
|
|
|
|
UpnpClient_Handle UpnpInstanceWrapper::handle() const
|
|
{
|
|
return m_handle;
|
|
}
|
|
|
|
int UpnpInstanceWrapper::Callback(Upnp_EventType event_type, UpnpEventPtr p_event, void *p_user_data)
|
|
{
|
|
vlc::threads::mutex_locker lock( &s_lock );
|
|
for (Listeners::iterator iter = s_listeners.begin(); iter != s_listeners.end(); ++iter)
|
|
{
|
|
(*iter)->onEvent(event_type, p_event, p_user_data);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void UpnpInstanceWrapper::addListener(ListenerPtr listener)
|
|
{
|
|
vlc::threads::mutex_locker lock( &s_lock );
|
|
if ( std::find( s_listeners.begin(), s_listeners.end(), listener) == s_listeners.end() )
|
|
s_listeners.push_back( std::move(listener) );
|
|
}
|
|
|
|
void UpnpInstanceWrapper::removeListener(ListenerPtr listener)
|
|
{
|
|
vlc::threads::mutex_locker lock( &s_lock );
|
|
Listeners::iterator iter = std::find( s_listeners.begin(), s_listeners.end(), listener );
|
|
if ( iter != s_listeners.end() )
|
|
s_listeners.erase( iter );
|
|
}
|