| henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2011, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include "talk/xmpp/iqtask.h" |
| 29 | |
| 30 | #include "talk/xmpp/xmppclient.h" |
| 31 | #include "talk/xmpp/constants.h" |
| 32 | |
| 33 | namespace buzz { |
| 34 | |
| 35 | static const int kDefaultIqTimeoutSecs = 15; |
| 36 | |
| 37 | IqTask::IqTask(XmppTaskParentInterface* parent, |
| 38 | const std::string& verb, |
| 39 | const buzz::Jid& to, |
| 40 | buzz::XmlElement* el) |
| 41 | : buzz::XmppTask(parent, buzz::XmppEngine::HL_SINGLE), |
| 42 | to_(to), |
| 43 | stanza_(MakeIq(verb, to_, task_id())) { |
| 44 | stanza_->AddElement(el); |
| 45 | set_timeout_seconds(kDefaultIqTimeoutSecs); |
| 46 | } |
| 47 | |
| 48 | int IqTask::ProcessStart() { |
| 49 | buzz::XmppReturnStatus ret = SendStanza(stanza_.get()); |
| 50 | // TODO: HandleError(NULL) if SendStanza fails? |
| 51 | return (ret == buzz::XMPP_RETURN_OK) ? STATE_RESPONSE : STATE_ERROR; |
| 52 | } |
| 53 | |
| 54 | bool IqTask::HandleStanza(const buzz::XmlElement* stanza) { |
| 55 | if (!MatchResponseIq(stanza, to_, task_id())) |
| 56 | return false; |
| 57 | |
| 58 | if (stanza->Attr(buzz::QN_TYPE) != buzz::STR_RESULT && |
| 59 | stanza->Attr(buzz::QN_TYPE) != buzz::STR_ERROR) { |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | QueueStanza(stanza); |
| 64 | return true; |
| 65 | } |
| 66 | |
| 67 | int IqTask::ProcessResponse() { |
| 68 | const buzz::XmlElement* stanza = NextStanza(); |
| 69 | if (stanza == NULL) |
| 70 | return STATE_BLOCKED; |
| 71 | |
| 72 | bool success = (stanza->Attr(buzz::QN_TYPE) == buzz::STR_RESULT); |
| 73 | if (success) { |
| 74 | HandleResult(stanza); |
| 75 | } else { |
| 76 | SignalError(this, stanza->FirstNamed(QN_ERROR)); |
| 77 | } |
| 78 | return STATE_DONE; |
| 79 | } |
| 80 | |
| 81 | int IqTask::OnTimeout() { |
| 82 | SignalError(this, NULL); |
| 83 | return XmppTask::OnTimeout(); |
| 84 | } |
| 85 | |
| 86 | } // namespace buzz |