246 lines
8.0 KiB
C
246 lines
8.0 KiB
C
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/*
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Copyright (c) 2007-2009 by Jakob Schroeter <js@camaya.net>
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This file is part of the gloox library. http://camaya.net/gloox
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This software is distributed under a license. The full license
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agreement can be found in the file LICENSE in this distribution.
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This software may not be copied, modified, sold or distributed
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other than expressed in the named license agreement.
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This software is distributed without any warranty.
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*/
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#ifndef SIMANAGER_H__
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#define SIMANAGER_H__
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#include "iqhandler.h"
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namespace gloox
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{
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class ClientBase;
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class SIProfileHandler;
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class SIHandler;
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/**
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* @brief This class manages streams initiated using XEP-0095.
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*
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* You need only one SIManager object per ClientBase instance.
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*
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* @author Jakob Schroeter <js@camaya.net>
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* @since 0.9
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*/
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class GLOOX_API SIManager : public IqHandler
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{
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public:
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/**
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* SI error conditions.
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*/
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enum SIError
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{
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NoValidStreams, /**< None of the stream types are acceptable */
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BadProfile, /**< Profile is not understood. */
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RequestRejected /**< SI request was rejected. */
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};
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class SI : public StanzaExtension
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{
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public:
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/**
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* Constructs a new SI object from the given Tag.
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* @param tag The Tag to parse.
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*/
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SI( const Tag* tag = 0 );
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/**
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* Constructs a new SI object, wrapping the given Tags.
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* @param tag1 Tag 1.
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* @param tag2 Tag 2.
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*/
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SI( Tag* tag1, Tag* tag2, const std::string& id = EmptyString,
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const std::string& mimetype = EmptyString,
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const std::string& profile = EmptyString );
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/**
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* Virtual destructor.
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*/
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virtual ~SI();
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/**
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* Returns the current profile namespace.
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* @return The profile namespace.
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*/
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const std::string& profile() const { return m_profile; };
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/**
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* Returns the mime-type.
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* @return The mime-type.
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*/
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const std::string& mimetype() const { return m_mimetype; };
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/**
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* Returns the SI's ID.
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* @return The SI's id.
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*/
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const std::string& id() const { return m_id; };
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/**
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* Returns the first SI child tag.
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* @return The first SI child tag.
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* @todo Use real objects.
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*/
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const Tag* tag1() const { return m_tag1; };
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/**
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* Returns the second SI child tag.
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* @return The second SI child tag.
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* @todo Use real objects.
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*/
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const Tag* tag2() const { return m_tag2; };
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// reimplemented from StanzaExtension
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virtual const std::string& filterString() const;
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// reimplemented from StanzaExtension
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virtual StanzaExtension* newInstance( const Tag* tag ) const
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{
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return new SI( tag );
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}
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// reimplemented from StanzaExtension
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virtual Tag* tag() const;
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// reimplemented from StanzaExtension
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virtual StanzaExtension* clone() const
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{
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SI* s = new SI();
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s->m_tag1 = m_tag1 ? m_tag1->clone() : 0;
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s->m_tag2 = m_tag2 ? m_tag2->clone() : 0;
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s->m_id = m_id;
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s->m_mimetype = m_mimetype;
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s->m_profile = m_profile;
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return s;
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}
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private:
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Tag* m_tag1;
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Tag* m_tag2;
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std::string m_id;
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std::string m_mimetype;
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std::string m_profile;
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};
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/**
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* Constructor.
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* @param parent The ClientBase to use for communication.
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* @param advertise Whether to advertise SI capabilities by disco. Defaults to true.
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*/
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SIManager( ClientBase* parent, bool advertise = true );
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/**
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* Virtual destructor.
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*/
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virtual ~SIManager();
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/**
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* Starts negotiating a stream with a remote entity.
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* @param sih The SIHandler to handle the result of this request.
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* @param to The entity to talk to.
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* @param profile The SI profile to use. See XEP-0095 for more info.
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* @param child1 The first of the two allowed children of the SI offer. See
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* XEP-0095 for more info.
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* @param child2 The second of the two allowed children of the SI offer. See
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* XEP-0095 for more info. Defaults to 0.
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* @param mimetype The stream's/file's mime-type. Defaults to 'binary/octet-stream'.
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* @param from An optional 'from' address to stamp outgoing requests with.
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* Used in component scenario only. Defaults to empty JID.
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* @param sid Optionally specify a stream ID (SID). If empty, one will be generated.
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* @return The requested stream's ID (SID). Empty if SIHandler or ClientBase are invalid.
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* @note The SIManager claims ownership of the Tags supplied to this function, and will
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* delete them after use.
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*/
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const std::string requestSI( SIHandler* sih, const JID& to, const std::string& profile, Tag* child1,
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Tag* child2 = 0, const std::string& mimetype = "binary/octet-stream",
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const JID& from = JID(), const std::string& sid = EmptyString );
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/**
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* Call this function to accept an SI request previously announced by means of
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* SIProfileHandler::handleSIRequest().
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* @param to The requestor.
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* @param id The request's id, as passed to SIProfileHandler::handleSIRequest().
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* @param child1 The <feature/> child of the SI request. See XEP-0095 for details.
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* @param child2 The profile-specific child of the SI request. May be 0. See XEP-0095
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* for details.
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* @param from An optional 'from' address to stamp outgoing stanzas with.
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* Used in component scenario only. Defaults to empty JID.
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* @note The SIManager claims ownership of the Tags supplied to this function, and will
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* delete them after use.
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*/
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void acceptSI( const JID& to, const std::string& id, Tag* child1, Tag* child2 = 0, const JID& from = JID() );
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/**
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* Call this function to decline an SI request previously announced by means of
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* SIProfileHandler::handleSIRequest().
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* @param to The requestor.
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* @param id The request's id, as passed to SIProfileHandler::handleSIRequest().
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* @param reason The reason for the reject.
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* @param text An optional human-readable text explaining the decline.
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*/
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void declineSI( const JID& to, const std::string& id, SIError reason,
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const std::string& text = EmptyString );
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/**
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* Registers the given SIProfileHandler to handle requests for the
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* given SI profile namespace. The profile will be advertised by disco (unless disabled in
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* the ctor).
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* @param profile The complete profile namespace, e.g.
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* http://jabber.org/protocol/si/profile/file-transfer.
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* @param sih The profile handler.
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*/
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void registerProfile( const std::string& profile, SIProfileHandler* sih );
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/**
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* Un-registers the given profile.
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* @param profile The profile's namespace to un-register.
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*/
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void removeProfile( const std::string& profile );
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// reimplemented from IqHandler.
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virtual bool handleIq( const IQ& iq );
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// reimplemented from IqHandler.
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virtual void handleIqID( const IQ& iq, int context );
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private:
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#ifdef SIMANAGER_TEST
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public:
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#endif
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enum TrackContext
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{
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OfferSI
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};
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struct TrackStruct
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{
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std::string sid;
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std::string profile;
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SIHandler* sih;
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};
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typedef std::map<std::string, TrackStruct> TrackMap;
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TrackMap m_track;
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ClientBase* m_parent;
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typedef std::map<std::string, SIProfileHandler*> HandlerMap;
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HandlerMap m_handlers;
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bool m_advertise;
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};
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}
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#endif // SIMANAGER_H__
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