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author | Eike Rathke <erack@redhat.com> | 2012-03-16 22:14:54 +0100 |
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committer | Matúš Kukan <matus.kukan@gmail.com> | 2012-07-17 16:39:16 +0200 |
commit | a3a8b803f346681da50fc6d59bf2a3fba58d4da1 (patch) | |
tree | d3ff28747bb7e51a9a5efb5fd94d976bacd9d2f5 /tubes/source/conference.cxx | |
parent | NSS_Initialize is actually in nssutil3 (diff) | |
download | core-a3a8b803f346681da50fc6d59bf2a3fba58d4da1.tar.gz core-a3a8b803f346681da50fc6d59bf2a3fba58d4da1.zip |
implementing Telepathy Tubes interface
Diffstat (limited to 'tubes/source/conference.cxx')
-rw-r--r-- | tubes/source/conference.cxx | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/tubes/source/conference.cxx b/tubes/source/conference.cxx new file mode 100644 index 000000000000..3195df6bceab --- /dev/null +++ b/tubes/source/conference.cxx @@ -0,0 +1,384 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * Version: MPL 1.1 / GPLv3+ / LGPLv3+ + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License or as specified alternatively below. You may obtain a copy of + * the License at http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * Major Contributor(s): + * Copyright (C) 2012 Red Hat, Inc., Eike Rathke <erack@redhat.com> + * + * All Rights Reserved. + * + * For minor contributions see the git repository. + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 3 or later (the "GPLv3+"), or + * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"), + * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable + * instead of those above. + */ + +#include <tubes/conference.hxx> +#include <tubes/manager.hxx> + + +#if defined SAL_LOG_INFO +namespace +{ +struct InfoLogger +{ + const void* mpThat; + const char* mpMethod; + explicit InfoLogger( const void* pThat, const char* pMethod ) + : + mpThat( pThat), + mpMethod( pMethod) + { + SAL_INFO( "tubes.method", mpThat << " entering " << mpMethod); + } + ~InfoLogger() + { + SAL_INFO( "tubes.method", mpThat << " leaving " << mpMethod); + } +}; +} +#define INFO_LOGGER_F(s) InfoLogger aLogger(0,(s)) +#define INFO_LOGGER(s) InfoLogger aLogger(this,(s)) +#else +#define INFO_LOGGER_F(s) +#define INFO_LOGGER(s) +#endif // SAL_LOG_INFO + + +static DBusHandlerResult TeleConference_DBusMessageHandler( + DBusConnection* pConnection, + DBusMessage* pMessage, + void* pUserData + ) +{ + INFO_LOGGER_F( "TeleConference_DBusMessageHandler"); + + SAL_WARN_IF( !pConnection || !pMessage, "tubes", "TeleConference_DBusMessageHandler: unhandled"); + if (!pConnection || !pMessage) + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + TeleConference* pConference = reinterpret_cast<TeleConference*>(pUserData); + SAL_WARN_IF( !pConference, "tubes", "TeleConference_DBusMessageHandler: no conference"); + if (!pConference) + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + TeleManager* pManager = pConference->getManager(); + SAL_WARN_IF( !pManager, "tubes", "TeleConference_DBusMessageHandler: no manager"); + if (!pManager) + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + if (dbus_message_is_method_call( pMessage, pManager->getFullServiceName().getStr(), LIBO_TUBES_DBUS_MSG_METHOD)) + { + const char* pSender = dbus_message_get_sender( pMessage); + + DBusError aDBusError; + dbus_error_init( &aDBusError); + const char* pPacketData = 0; + int nPacketSize = 0; + if (dbus_message_get_args( pMessage, &aDBusError, + DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pPacketData, &nPacketSize, + DBUS_TYPE_INVALID)) + { + SAL_INFO( "tubes", "TeleConference_DBusMessageHandler: received packet from sender " + << pSender << " with size " << nPacketSize); + pConference->queue( pSender, pPacketData, nPacketSize); + return DBUS_HANDLER_RESULT_HANDLED; + } + else + { + SAL_INFO( "tubes", "TeleConference_DBusMessageHandler: unhandled message from sender " + << pSender << " " << aDBusError.message); + dbus_error_free( &aDBusError); + } + } + else + { + SAL_INFO( "tubes", "TeleConference_DBusMessageHandler: unhandled method"); + } + + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; +} + + +static void TeleConference_ChannelCloseHandler( + TpChannel* /*proxy*/, + const GError* pError, + gpointer pUserData, + GObject* /*weak_object*/ + ) +{ + INFO_LOGGER_F( "TeleConference_ChannelCloseHandler"); + + TeleConference* pConference = reinterpret_cast<TeleConference*>(pUserData); + SAL_WARN_IF( !pConference, "tubes", "TeleConference_ChannelCloseHandler: no conference"); + if (!pConference) + return; + + if (pError) + { + SAL_WARN( "tubes", "TeleConference_ChannelCloseHandler: entered with error: " << pError->message); + pConference->finalize(); + return; + } + + pConference->finalize(); +} + + +static void TeleConference_TubeOfferedHandler( + TpChannel* pChannel, + const gchar* pOutAddress, + const GError* pError, + gpointer pUserData, + GObject* /*weak_object*/ + ) +{ + INFO_LOGGER_F( "TeleConference_TubeOfferedHandler"); + + // "can't find contact ... presence" means contact is not a contact. + /* FIXME: detect and handle */ + SAL_WARN_IF( pError, "tubes", "TeleConference_TubeOfferedHandler: entered with error: " << pError->message); + if (pError) + return; + + SAL_WARN_IF( !pOutAddress, "tubes", "TeleConference_TubeOfferedHandler: no out address"); + if (!pOutAddress) + return; + + TeleConference* pConference = reinterpret_cast<TeleConference*>(pUserData); + SAL_WARN_IF( !pConference, "tubes", "TeleConference_TubeOfferedHandler: no conference"); + if (!pConference) + return; + + SAL_WARN_IF( pChannel != pConference->getChannel(), "tubes", "TeleConference_TubeOfferedHandler: not my channel"); + if (pChannel != pConference->getChannel()) + return; + + TeleManager* pManager = pConference->getManager(); + SAL_WARN_IF( !pManager, "tubes", "TeleConference_TubeOfferedHandler: no manager"); + if (!pManager) + return; + + pConference->setTubeOfferedHandlerInvoked( true); + + DBusError aDBusError; + dbus_error_init( &aDBusError); + DBusConnection* pTube = dbus_connection_open_private( pOutAddress, &aDBusError); + if (!pTube) + { + SAL_WARN( "tubes", "TeleConference_TubeOfferedHandler: no dbus connection: " << aDBusError.message); + dbus_error_free( &aDBusError); + return; + } + + pConference->setTube( pTube); +} + + +TeleConference::TeleConference( TeleManager* pManager, TpChannel* pChannel, const rtl::OString& rSessionId ) + : + maSessionId( rSessionId ), + mpManager( pManager), + mpChannel( pChannel), + mpTube( NULL), + mbTubeOfferedHandlerInvoked( false) +{ + if (mpChannel) + g_object_ref( mpChannel); +} + + +TeleConference::~TeleConference() +{ + // Do nothing here, we're destructed from finalize() +} + + +void TeleConference::setTarget( const rtl::OString& rTarget ) +{ + maTarget = rTarget; +} + + +void TeleConference::setChannel( TpChannel* pChannel ) +{ + OSL_ENSURE( !mpChannel, "TeleConference::setChannel: already have channel"); + if (mpChannel) + g_object_unref( mpChannel); + mpChannel = pChannel; + if (mpChannel) + g_object_ref( mpChannel); +} + + +bool TeleConference::acceptTube( const char* pAddress ) +{ + INFO_LOGGER( "TeleConference::acceptTube"); + + SAL_WARN_IF( !pAddress, "tubes", "TeleConference::acceptTube: no address"); + if (!pAddress) + return false; + SAL_INFO( "tubes", "TeleConference::acceptTube: address: " << pAddress); + + SAL_WARN_IF( !mpChannel, "tubes", "TeleConference::acceptTube: no channel setup"); + SAL_WARN_IF( mpTube, "tubes", "TeleConference::acceptTube: already tubed"); + if (!mpChannel || mpTube) + return false; + + DBusError aDBusError; + dbus_error_init( &aDBusError); + mpTube = dbus_connection_open_private( pAddress, &aDBusError); + if (!mpTube) + { + SAL_WARN( "tubes", "TeleConference::acceptTube: no dbus connection: " << aDBusError.message); + dbus_error_free( &aDBusError); + return false; + } + + dbus_connection_setup_with_g_main( mpTube, mpManager->getMainContext()); + dbus_connection_add_filter( mpTube, TeleConference_DBusMessageHandler, this, NULL); + + return true; +} + + +bool TeleConference::offerTube() +{ + INFO_LOGGER( "TeleConference::offerTube"); + + OSL_ENSURE( mpChannel, "TeleConference::offerTube: no channel"); + if (!mpChannel) + return false; + + setTubeOfferedHandlerInvoked( false); + + // There must be a hash table with some content. + /* TODO: anything meaningful to go in here? */ + GHashTable* pParams = tp_asv_new( + "LibreOffice", G_TYPE_STRING, "Collaboration", + NULL); + + tp_cli_channel_type_dbus_tube_call_offer( + mpChannel, // proxy + -1, // timeout_ms + pParams, // in_parameters + TP_SOCKET_ACCESS_CONTROL_LOCALHOST, // in_access_control + TeleConference_TubeOfferedHandler, // callback + this, // user_data + NULL, // destroy + NULL); // weak_object + + mpManager->iterateLoop( this, &TeleConference::isTubeOfferedHandlerInvoked); + + g_hash_table_unref( pParams); + + return true; +} + + +bool TeleConference::setTube( DBusConnection* pTube ) +{ + INFO_LOGGER( "TeleConference::setTube"); + + OSL_ENSURE( !mpTube, "TeleConference::setTube: already tubed"); + mpTube = pTube; + + dbus_connection_setup_with_g_main( mpTube, mpManager->getMainContext()); + dbus_connection_add_filter( mpTube, TeleConference_DBusMessageHandler, this, NULL); + + /* TODO: anything else? */ + + return true; +} + + +void TeleConference::close() +{ + INFO_LOGGER( "TeleConference::close"); + + if (mpChannel) + tp_cli_channel_call_close( mpChannel, 5000, TeleConference_ChannelCloseHandler, this, NULL, NULL); + else + finalize(); +} + + +void TeleConference::finalize() +{ + INFO_LOGGER( "TeleConference::finalize"); + + if (mpChannel) + { + g_object_unref( mpChannel); + mpChannel = NULL; + } + + if (mpTube) + { + dbus_connection_remove_filter( mpTube, TeleConference_DBusMessageHandler, this); + dbus_connection_close( mpTube); + dbus_connection_unref( mpTube); + mpTube = NULL; + } + + TeleConferencePtr pThis( shared_from_this()); + mpManager->unregisterConference( pThis); + + //! *this gets destructed here! +} + + +bool TeleConference::sendPacket( TelePacket& rPacket ) const +{ + INFO_LOGGER( "TeleConference::sendPacket"); + + OSL_ENSURE( mpManager, "tubes: TeleConference::sendPacket: no TeleManager"); + SAL_WARN_IF( !mpTube, "tubes", "TeleConference::sendPacket: no tube"); + if (!(mpManager && mpTube)) + return false; + + DBusMessage* pMessage = dbus_message_new_method_call( + mpManager->getFullServiceName().getStr(), + mpManager->getFullObjectPath().getStr(), + mpManager->getFullServiceName().getStr(), + LIBO_TUBES_DBUS_MSG_METHOD); + SAL_WARN_IF( !pMessage, "tubes", "TeleConference::sendPacket: no DBusMessage"); + if (!pMessage) + return false; + + const char* pPacketData = rPacket.getData(); + dbus_message_append_args( pMessage, + DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pPacketData, rPacket.getSize(), + DBUS_TYPE_INVALID); + + SAL_INFO( "tubes", "TeleConference::sendPacket: from " << + dbus_message_get_sender( pMessage) << " to " << dbus_message_get_destination( pMessage)); + + bool bSent = dbus_connection_send( mpTube, pMessage, NULL); + SAL_WARN_IF( !bSent, "tubes", "TeleConference::sendPacket: not sent"); + dbus_message_unref( pMessage); + return bSent; +} + + +void TeleConference::queue( const char* pDBusSender, const char* pPacketData, int nPacketSize ) +{ + INFO_LOGGER( "TeleConference::queue"); + + maPacketQueue.push( TelePacket( pDBusSender, pPacketData, nPacketSize)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |