move xmpp and p2p to webrtc
Create a copy of talk/xmpp and talk/p2p under webrtc/libjingle/xmpp and webrtc/p2p. Also makes libjingle use those version instead of the one in the talk folder. BUG=3379 Review URL: https://webrtc-codereview.appspot.com/26999004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7549 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
henrike@webrtc.org
226
webrtc/p2p/base/sessionmessages.h
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226
webrtc/p2p/base/sessionmessages.h
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/*
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* Copyright 2010 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_P2P_BASE_SESSIONMESSAGES_H_
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#define WEBRTC_P2P_BASE_SESSIONMESSAGES_H_
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#include <map>
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#include <string>
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#include <vector>
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#include "webrtc/p2p/base/constants.h"
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#include "webrtc/p2p/base/parsing.h"
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#include "webrtc/p2p/base/sessiondescription.h" // Needed to delete contents.
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#include "webrtc/p2p/base/transportinfo.h"
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#include "webrtc/libjingle/xmllite/xmlelement.h"
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#include "webrtc/base/basictypes.h"
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namespace cricket {
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struct ParseError;
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struct WriteError;
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class Candidate;
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class ContentParser;
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class TransportParser;
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typedef std::vector<Candidate> Candidates;
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typedef std::map<std::string, ContentParser*> ContentParserMap;
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typedef std::map<std::string, TransportParser*> TransportParserMap;
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enum ActionType {
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ACTION_UNKNOWN,
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ACTION_SESSION_INITIATE,
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ACTION_SESSION_INFO,
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ACTION_SESSION_ACCEPT,
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ACTION_SESSION_REJECT,
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ACTION_SESSION_TERMINATE,
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ACTION_TRANSPORT_INFO,
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ACTION_TRANSPORT_ACCEPT,
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ACTION_DESCRIPTION_INFO,
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};
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// Abstraction of a <jingle> element within an <iq> stanza, per XMPP
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// standard XEP-166. Can be serialized into multiple protocols,
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// including the standard (Jingle) and the draft standard (Gingle).
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// In general, used to communicate actions related to a p2p session,
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// such accept, initiate, terminate, etc.
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struct SessionMessage {
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SessionMessage() : action_elem(NULL), stanza(NULL) {}
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SessionMessage(SignalingProtocol protocol, ActionType type,
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const std::string& sid, const std::string& initiator) :
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protocol(protocol), type(type), sid(sid), initiator(initiator),
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action_elem(NULL), stanza(NULL) {}
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std::string id;
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std::string from;
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std::string to;
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SignalingProtocol protocol;
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ActionType type;
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std::string sid; // session id
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std::string initiator;
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// Used for further parsing when necessary.
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// Represents <session> or <jingle>.
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const buzz::XmlElement* action_elem;
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// Mostly used for debugging.
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const buzz::XmlElement* stanza;
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};
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// TODO: Break up this class so we don't have to typedef it into
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// different classes.
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struct ContentMessage {
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ContentMessage() : owns_contents(false) {}
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~ContentMessage() {
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if (owns_contents) {
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for (ContentInfos::iterator content = contents.begin();
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content != contents.end(); content++) {
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delete content->description;
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}
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}
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}
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// Caller takes ownership of contents.
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ContentInfos ClearContents() {
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ContentInfos out;
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contents.swap(out);
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owns_contents = false;
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return out;
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}
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bool owns_contents;
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ContentInfos contents;
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TransportInfos transports;
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ContentGroups groups;
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};
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typedef ContentMessage SessionInitiate;
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typedef ContentMessage SessionAccept;
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// Note that a DescriptionInfo does not have TransportInfos.
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typedef ContentMessage DescriptionInfo;
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struct SessionTerminate {
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SessionTerminate() {}
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explicit SessionTerminate(const std::string& reason) :
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reason(reason) {}
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std::string reason;
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std::string debug_reason;
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};
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struct SessionRedirect {
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std::string target;
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};
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// Used during parsing and writing to map component to channel name
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// and back. This is primarily for converting old G-ICE candidate
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// signalling to new ICE candidate classes.
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class CandidateTranslator {
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public:
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virtual bool GetChannelNameFromComponent(
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int component, std::string* channel_name) const = 0;
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virtual bool GetComponentFromChannelName(
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const std::string& channel_name, int* component) const = 0;
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};
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// Content name => translator
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typedef std::map<std::string, CandidateTranslator*> CandidateTranslatorMap;
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bool IsSessionMessage(const buzz::XmlElement* stanza);
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bool ParseSessionMessage(const buzz::XmlElement* stanza,
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SessionMessage* msg,
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ParseError* error);
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// Will return an error if there is more than one content type.
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bool ParseContentType(SignalingProtocol protocol,
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const buzz::XmlElement* action_elem,
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std::string* content_type,
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ParseError* error);
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void WriteSessionMessage(const SessionMessage& msg,
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const XmlElements& action_elems,
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buzz::XmlElement* stanza);
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bool ParseSessionInitiate(SignalingProtocol protocol,
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const buzz::XmlElement* action_elem,
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const ContentParserMap& content_parsers,
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const TransportParserMap& transport_parsers,
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const CandidateTranslatorMap& translators,
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SessionInitiate* init,
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ParseError* error);
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bool WriteSessionInitiate(SignalingProtocol protocol,
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const ContentInfos& contents,
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const TransportInfos& tinfos,
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const ContentParserMap& content_parsers,
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const TransportParserMap& transport_parsers,
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const CandidateTranslatorMap& translators,
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const ContentGroups& groups,
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XmlElements* elems,
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WriteError* error);
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bool ParseSessionAccept(SignalingProtocol protocol,
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const buzz::XmlElement* action_elem,
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const ContentParserMap& content_parsers,
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const TransportParserMap& transport_parsers,
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const CandidateTranslatorMap& translators,
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SessionAccept* accept,
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ParseError* error);
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bool WriteSessionAccept(SignalingProtocol protocol,
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const ContentInfos& contents,
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const TransportInfos& tinfos,
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const ContentParserMap& content_parsers,
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const TransportParserMap& transport_parsers,
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const CandidateTranslatorMap& translators,
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const ContentGroups& groups,
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XmlElements* elems,
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WriteError* error);
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bool ParseSessionTerminate(SignalingProtocol protocol,
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const buzz::XmlElement* action_elem,
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SessionTerminate* term,
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ParseError* error);
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void WriteSessionTerminate(SignalingProtocol protocol,
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const SessionTerminate& term,
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XmlElements* elems);
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bool ParseDescriptionInfo(SignalingProtocol protocol,
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const buzz::XmlElement* action_elem,
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const ContentParserMap& content_parsers,
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const TransportParserMap& transport_parsers,
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const CandidateTranslatorMap& translators,
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DescriptionInfo* description_info,
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ParseError* error);
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bool WriteDescriptionInfo(SignalingProtocol protocol,
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const ContentInfos& contents,
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const ContentParserMap& content_parsers,
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XmlElements* elems,
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WriteError* error);
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// Since a TransportInfo is not a transport-info message, and a
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// transport-info message is just a collection of TransportInfos, we
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// say Parse/Write TransportInfos for transport-info messages.
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bool ParseTransportInfos(SignalingProtocol protocol,
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const buzz::XmlElement* action_elem,
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const ContentInfos& contents,
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const TransportParserMap& trans_parsers,
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const CandidateTranslatorMap& translators,
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TransportInfos* tinfos,
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ParseError* error);
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bool WriteTransportInfos(SignalingProtocol protocol,
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const TransportInfos& tinfos,
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const TransportParserMap& trans_parsers,
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const CandidateTranslatorMap& translators,
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XmlElements* elems,
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WriteError* error);
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// Handles both Gingle and Jingle syntax.
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bool FindSessionRedirect(const buzz::XmlElement* stanza,
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SessionRedirect* redirect);
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} // namespace cricket
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#endif // WEBRTC_P2P_BASE_SESSIONMESSAGES_H_
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