15976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org/* 25976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * libjingle 35976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * Copyright 2004--2005, Google Inc. 45976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 55976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * Redistribution and use in source and binary forms, with or without 65976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * modification, are permitted provided that the following conditions are met: 75976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 85976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 95976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * this list of conditions and the following disclaimer. 105976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 115976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * this list of conditions and the following disclaimer in the documentation 125976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * and/or other materials provided with the distribution. 135976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 3. 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IN NO 195976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 205976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 215976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 225976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 235976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 245976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 255976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 265976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org */ 275976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 285976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#ifndef TALK_P2P_CLIENT_SESSIONSENDTASK_H_ 295976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#define TALK_P2P_CLIENT_SESSIONSENDTASK_H_ 305976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 315976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/base/common.h" 325976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/constants.h" 335976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/xmppclient.h" 345976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/xmppengine.h" 355976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/xmpptask.h" 365976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/p2p/base/sessionmanager.h" 375976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 385976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgnamespace cricket { 395976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 405976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org// The job of this task is to send an IQ stanza out (after stamping it with 415976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org// an ID attribute) and then wait for a response. If not response happens 425976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org// within 5 seconds, it will signal failure on a SessionManager. If an error 435976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org// happens it will also signal failure. If, however, the send succeeds this 445976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org// task will quietly go away. 455976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 465976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgclass SessionSendTask : public buzz::XmppTask { 475976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org public: 485976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org SessionSendTask(buzz::XmppTaskParentInterface* parent, 495976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org SessionManager* session_manager) 505976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org : buzz::XmppTask(parent, buzz::XmppEngine::HL_SINGLE), 515976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org session_manager_(session_manager) { 525976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org set_timeout_seconds(15); 535976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org session_manager_->SignalDestroyed.connect( 545976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org this, &SessionSendTask::OnSessionManagerDestroyed); 555976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 565976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 575976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org virtual ~SessionSendTask() { 585976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org SignalDone(this); 595976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 605976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 615976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org void Send(const buzz::XmlElement* stanza) { 625976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ASSERT(stanza_.get() == NULL); 635976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 645976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // This should be an IQ of type set, result, or error. In the first case, 655976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // we supply an ID. In the others, it should be present. 665976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ASSERT(stanza->Name() == buzz::QN_IQ); 675976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ASSERT(stanza->HasAttr(buzz::QN_TYPE)); 685976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza->Attr(buzz::QN_TYPE) == "set") { 695976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ASSERT(!stanza->HasAttr(buzz::QN_ID)); 705976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else { 715976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ASSERT((stanza->Attr(buzz::QN_TYPE) == "result") || 725976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org (stanza->Attr(buzz::QN_TYPE) == "error")); 735976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ASSERT(stanza->HasAttr(buzz::QN_ID)); 745976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 755976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 765976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org stanza_.reset(new buzz::XmlElement(*stanza)); 775976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza_->HasAttr(buzz::QN_ID)) { 785976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org set_task_id(stanza_->Attr(buzz::QN_ID)); 795976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else { 805976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org stanza_->SetAttr(buzz::QN_ID, task_id()); 815976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 825976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 835976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 845976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org void OnSessionManagerDestroyed() { 855976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // If the session manager doesn't exist anymore, we should still try to 865976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // send the message, but avoid calling back into the SessionManager. 875976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org session_manager_ = NULL; 885976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 895976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 905976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org sigslot::signal1<SessionSendTask *> SignalDone; 915976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 925976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org protected: 935976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org virtual int OnTimeout() { 945976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (session_manager_ != NULL) { 955976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org session_manager_->OnFailedSend(stanza_.get(), NULL); 965976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 975976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 985976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return XmppTask::OnTimeout(); 995976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1005976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1015976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org virtual int ProcessStart() { 1025976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org SendStanza(stanza_.get()); 1035976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza_->Attr(buzz::QN_TYPE) == buzz::STR_SET) { 1045976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return STATE_RESPONSE; 1055976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else { 1065976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return STATE_DONE; 1075976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1085976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1095976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1105976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org virtual int ProcessResponse() { 1115976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const buzz::XmlElement* next = NextStanza(); 1125976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (next == NULL) 1135976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return STATE_BLOCKED; 1145976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1155976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (session_manager_ != NULL) { 1165976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (next->Attr(buzz::QN_TYPE) == buzz::STR_RESULT) { 1175976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org session_manager_->OnIncomingResponse(stanza_.get(), next); 1185976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else { 1195976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org session_manager_->OnFailedSend(stanza_.get(), next); 1205976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1215976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1225976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1235976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return STATE_DONE; 1245976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1255976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1265976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org virtual bool HandleStanza(const buzz::XmlElement *stanza) { 1275976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (!MatchResponseIq(stanza, 1285976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org buzz::Jid(stanza_->Attr(buzz::QN_TO)), task_id())) 1295976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return false; 1305976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza->Attr(buzz::QN_TYPE) == buzz::STR_RESULT || 1315976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org stanza->Attr(buzz::QN_TYPE) == buzz::STR_ERROR) { 1325976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org QueueStanza(stanza); 1335976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return true; 1345976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1355976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return false; 1365976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1375976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1385976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org private: 1395976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org SessionManager *session_manager_; 1405976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org talk_base::scoped_ptr<buzz::XmlElement> stanza_; 1415976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}; 1425976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1435976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 1445976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1455976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#endif // TALK_P2P_CLIENT_SESSIONSENDTASK_H_ 146