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28 #ifndef TALK_P2P_CLIENT_SESSIONSENDTASK_H_
29 #define TALK_P2P_CLIENT_SESSIONSENDTASK_H_
31 #include "talk/p2p/base/sessionmanager.h"
32 #include "talk/xmpp/constants.h"
33 #include "talk/xmpp/xmppclient.h"
34 #include "talk/xmpp/xmppengine.h"
35 #include "talk/xmpp/xmpptask.h"
36 #include "webrtc/base/common.h"
40 // The job of this task is to send an IQ stanza out (after stamping it with
41 // an ID attribute) and then wait for a response. If not response happens
42 // within 5 seconds, it will signal failure on a SessionManager. If an error
43 // happens it will also signal failure. If, however, the send succeeds this
44 // task will quietly go away.
46 class SessionSendTask : public buzz::XmppTask {
48 SessionSendTask(buzz::XmppTaskParentInterface* parent,
49 SessionManager* session_manager)
50 : buzz::XmppTask(parent, buzz::XmppEngine::HL_SINGLE),
51 session_manager_(session_manager) {
52 set_timeout_seconds(15);
53 session_manager_->SignalDestroyed.connect(
54 this, &SessionSendTask::OnSessionManagerDestroyed);
57 virtual ~SessionSendTask() {
61 void Send(const buzz::XmlElement* stanza) {
62 ASSERT(stanza_.get() == NULL);
64 // This should be an IQ of type set, result, or error. In the first case,
65 // we supply an ID. In the others, it should be present.
66 ASSERT(stanza->Name() == buzz::QN_IQ);
67 ASSERT(stanza->HasAttr(buzz::QN_TYPE));
68 if (stanza->Attr(buzz::QN_TYPE) == "set") {
69 ASSERT(!stanza->HasAttr(buzz::QN_ID));
71 ASSERT((stanza->Attr(buzz::QN_TYPE) == "result") ||
72 (stanza->Attr(buzz::QN_TYPE) == "error"));
73 ASSERT(stanza->HasAttr(buzz::QN_ID));
76 stanza_.reset(new buzz::XmlElement(*stanza));
77 if (stanza_->HasAttr(buzz::QN_ID)) {
78 set_task_id(stanza_->Attr(buzz::QN_ID));
80 stanza_->SetAttr(buzz::QN_ID, task_id());
84 void OnSessionManagerDestroyed() {
85 // If the session manager doesn't exist anymore, we should still try to
86 // send the message, but avoid calling back into the SessionManager.
87 session_manager_ = NULL;
90 sigslot::signal1<SessionSendTask *> SignalDone;
93 virtual int OnTimeout() {
94 if (session_manager_ != NULL) {
95 session_manager_->OnFailedSend(stanza_.get(), NULL);
98 return XmppTask::OnTimeout();
101 virtual int ProcessStart() {
102 SendStanza(stanza_.get());
103 if (stanza_->Attr(buzz::QN_TYPE) == buzz::STR_SET) {
104 return STATE_RESPONSE;
110 virtual int ProcessResponse() {
111 const buzz::XmlElement* next = NextStanza();
113 return STATE_BLOCKED;
115 if (session_manager_ != NULL) {
116 if (next->Attr(buzz::QN_TYPE) == buzz::STR_RESULT) {
117 session_manager_->OnIncomingResponse(stanza_.get(), next);
119 session_manager_->OnFailedSend(stanza_.get(), next);
126 virtual bool HandleStanza(const buzz::XmlElement *stanza) {
127 if (!MatchResponseIq(stanza,
128 buzz::Jid(stanza_->Attr(buzz::QN_TO)), task_id()))
130 if (stanza->Attr(buzz::QN_TYPE) == buzz::STR_RESULT ||
131 stanza->Attr(buzz::QN_TYPE) == buzz::STR_ERROR) {
139 SessionManager *session_manager_;
140 rtc::scoped_ptr<buzz::XmlElement> stanza_;
145 #endif // TALK_P2P_CLIENT_SESSIONSENDTASK_H_