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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | bcb704366cb5e333a626c18c308c7e0448a8e69f (patch) | |
tree | f0d6ab7d78ecdd9207cf46536376b44b91a1ca71 /kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmpptask.h | |
download | tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.tar.gz tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmpptask.h')
-rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmpptask.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmpptask.h b/kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmpptask.h new file mode 100644 index 00000000..3b56a1c9 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmpptask.h @@ -0,0 +1,113 @@ +/* + * libjingle + * Copyright 2004--2005, Google Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _XMPPTASK_H_ +#define _XMPPTASK_H_ + +#include <string> +#include <deque> +#include "talk/base/sigslot.h" +#include "talk/xmpp/xmppengine.h" +#include "talk/base/task.h" + +namespace buzz { + +///////////////////////////////////////////////////////////////////// +// +// XMPPTASK +// +///////////////////////////////////////////////////////////////////// +// +// See Task and XmppClient first. +// +// XmppTask is a task that is designed to go underneath XmppClient and be +// useful there. It has a way of finding its XmppClient parent so you +// can have it nested arbitrarily deep under an XmppClient and it can +// still find the XMPP services. +// +// Tasks register themselves to listen to particular kinds of stanzas +// that are sent out by the client. Rather than processing stanzas +// right away, they should decide if they own the sent stanza, +// and if so, queue it and Wake() the task, or if a stanza does not belong +// to you, return false right away so the next XmppTask can take a crack. +// This technique (synchronous recognize, but asynchronous processing) +// allows you to have arbitrary logic for recognizing stanzas yet still, +// for example, disconnect a client while processing a stanza - +// without reentrancy problems. +// +///////////////////////////////////////////////////////////////////// + +class XmppClient; + +class XmppTask : + public Task, + public XmppStanzaHandler, + public sigslot::has_slots<> +{ +public: + XmppTask(Task * parent, XmppEngine::HandlerLevel level = XmppEngine::HL_NONE); + virtual ~XmppTask(); + + virtual XmppClient * GetClient() const { return client_; } + std::string task_id() const { return id_; } + +protected: + friend class XmppClient; + + XmppReturnStatus SendStanza(const XmlElement * stanza); + XmppReturnStatus SetResult(const std::string & code); + XmppReturnStatus SendStanzaError(const XmlElement * element_original, + XmppStanzaError code, + const std::string & text); + + virtual void Stop(); + virtual bool HandleStanza(const XmlElement * stanza) { return false; } + virtual void OnDisconnect(); + virtual int ProcessReponse() { return STATE_DONE; } + + void QueueStanza(const XmlElement * stanza); + const XmlElement * NextStanza(); + + bool MatchResponseIq(const XmlElement * stanza, const Jid & to, const std::string & task_id); + bool MatchRequestIq(const XmlElement * stanza, const std::string & type, const QName & qn); + XmlElement *MakeIqResult(const XmlElement * query); + XmlElement *MakeIq(const std::string & type, + const Jid & to, const std::string task_id); + +private: + void StopImpl(); + + XmppClient * client_; + std::deque<XmlElement *> stanza_queue_; + scoped_ptr<XmlElement> next_stanza_; + std::string id_; + +}; + +} + +#endif |