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/*
* 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 _SESSIONCLIENT_H_
#define _SESSIONCLIENT_H_
#include "talk/p2p/base/sessiondescription.h"
#include "talk/p2p/base/sessionmessage.h"
#include "talk/p2p/base/sessionmanager.h"
#include "talk/xmllite/xmlelement.h"
#include "talk/xmpp/jid.h"
namespace cricket {
// Generic XMPP session client. This class knows how to translate
// a SessionMessage to and from XMPP stanzas. The SessionDescription
// is a custom description implemented by the client.
// This class knows how to talk to the session manager, however the
// session manager doesn't have knowledge of a particular SessionClient.
class SessionClient : public sigslot::has_slots<> {
public:
SessionClient(SessionManager *psm);
virtual ~SessionClient();
// Call this method to determine if a stanza is for this session client
bool IsClientStanza(const buzz::XmlElement *stanza);
// Call this method to deliver a stanza to this session client
void OnIncomingStanza(const buzz::XmlElement *stanza);
// Call this whenever an error is recieved in response to an outgoing
// session IQ. Include the original stanza and any failure stanza. If
// the failure is due to a time out, the failure_stanza should be NULL
void OnFailedSend(const buzz::XmlElement* original_stanza,
const buzz::XmlElement* failure_stanza);
SessionManager *session_manager();
// Implement this method for stanza sending
sigslot::signal2<SessionClient*, const buzz::XmlElement*> SignalSendStanza;
protected:
// Override these to know when sessions belonging to this client create/destroy
virtual void OnSessionCreate(Session * /*session*/, bool /*received_initiate*/) {}
virtual void OnSessionDestroy(Session * /*session*/) {}
// Implement these methods for a custom session description
virtual const SessionDescription *CreateSessionDescription(const buzz::XmlElement *element) = 0;
virtual buzz::XmlElement *TranslateSessionDescription(const SessionDescription *description) = 0;
virtual const std::string &GetSessionDescriptionName() = 0;
virtual const buzz::Jid &GetJid() const = 0;
SessionManager *session_manager_;
private:
void OnSessionCreateSlot(Session *session, bool received_initiate);
void OnSessionDestroySlot(Session *session);
void OnOutgoingMessage(Session *session, const SessionMessage &message);
void ParseHeader(const buzz::XmlElement *stanza, SessionMessage &message);
bool ParseCandidate(const buzz::XmlElement *child, Candidate* candidate);
bool ParseIncomingMessage(const buzz::XmlElement *stanza,
SessionMessage& message);
void ParseInitiateAcceptModify(const buzz::XmlElement *stanza, SessionMessage &message);
void ParseCandidates(const buzz::XmlElement *stanza, SessionMessage &message);
void ParseRejectTerminate(const buzz::XmlElement *stanza, SessionMessage &message);
void ParseRedirect(const buzz::XmlElement *stanza, SessionMessage &message);
buzz::XmlElement *TranslateHeader(const SessionMessage &message);
buzz::XmlElement *TranslateCandidate(const Candidate &candidate);
buzz::XmlElement *TranslateInitiateAcceptModify(const SessionMessage &message);
buzz::XmlElement *TranslateCandidates(const SessionMessage &message);
buzz::XmlElement *TranslateRejectTerminate(const SessionMessage &message);
buzz::XmlElement *TranslateRedirect(const SessionMessage &message);
};
} // namespace cricket
#endif // _SESSIONCLIENT_H_
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