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283 lines
9.0 KiB
283 lines
9.0 KiB
/*
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* ast_h323.h
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*
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* OpenH323 Channel Driver for ASTERISK PBX.
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* By Jeremy McNamara
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* For The NuFone Network
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*
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* This code has been derived from code created by
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* Michael Manousos and Mark Spencer
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*
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* This file is part of the chan_h323 driver for Asterisk
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*
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* chan_h323 is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* chan_h323 is distributed WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Version Info: $Id$
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*/
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#ifndef AST_H323_H
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#define AST_H323_H
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#define VERSION(a,b,c) ((a)*10000+(b)*100+(c))
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/**This class describes the G.711 codec capability.
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*/
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class AST_G711Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_G711Capability, H323AudioCapability);
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public:
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AST_G711Capability(int rx_frames = 125, H323_G711Capability::Mode _mode = H323_G711Capability::muLaw, H323_G711Capability::Speed _speed = H323_G711Capability::At64k);
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virtual PObject *Clone() const;
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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virtual unsigned GetSubType() const;
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virtual PString GetFormatName() const;
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protected:
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H323_G711Capability::Mode mode;
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H323_G711Capability::Speed speed;
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};
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/**This class describes the G.723.1 codec capability.
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*/
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class AST_G7231Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_G7231Capability, H323AudioCapability);
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public:
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AST_G7231Capability(int rx_frames = 7, BOOL annexA = TRUE);
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Comparison Compare(const PObject & obj) const;
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virtual PObject * Clone() const;
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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virtual unsigned GetSubType() const;
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virtual PString GetFormatName() const;
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virtual BOOL OnSendingPDU(H245_AudioCapability & pdu, unsigned packetSize) const;
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virtual BOOL OnReceivedPDU(const H245_AudioCapability & pdu, unsigned & packetSize);
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protected:
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BOOL annexA;
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};
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/**This class describes the (fake) G729 codec capability.
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*/
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class AST_G729Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_G729Capability, H323AudioCapability);
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public:
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AST_G729Capability(int rx_frames = 24);
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/* Create a copy of the object. */
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virtual PObject * Clone() const;
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/* Create the codec instance, allocating resources as required. */
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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/* Get the sub-type of the capability. This is a code dependent on the
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main type of the capability.
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This returns one of the four possible combinations of mode and speed
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using the enum values of the protocol ASN H245_AudioCapability class. */
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virtual unsigned GetSubType() const;
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/* Get the name of the media data format this class represents. */
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virtual PString GetFormatName() const;
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};
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/* This class describes the VoiceAge G729A codec capability. */
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class AST_G729ACapability : public H323AudioCapability
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{
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PCLASSINFO(AST_G729ACapability, H323AudioCapability);
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public:
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/* Create a new G.729A capability. */
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AST_G729ACapability(int rx_frames = 24);
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/* Create a copy of the object. */
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virtual PObject * Clone() const;
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/* Create the codec instance, allocating resources as required. */
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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/* Get the sub-type of the capability. This is a code dependent on the
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main type of the capability.
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This returns one of the four possible combinations of mode and speed
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using the enum values of the protocol ASN H245_AudioCapability class. */
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virtual unsigned GetSubType() const;
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/* Get the name of the media data format this class represents. */
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virtual PString GetFormatName() const;
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};
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/* This class describes the GSM-06.10 codec capability. */
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class AST_GSM0610Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_GSM0610Capability, H323AudioCapability);
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public:
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/* Create a new GSM capability. */
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AST_GSM0610Capability(int rx_frames = 24, int comfortNoise = 0, int scrambled = 0);
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/* Create a copy of the object. */
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virtual PObject * Clone() const;
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/* Create the codec instance, allocating resources as required. */
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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/* Get the sub-type of the capability. This is a code dependent on the
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main type of the capability.
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This returns one of the four possible combinations of mode and speed
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using the enum values of the protocol ASN H245_AudioCapability class. */
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virtual unsigned GetSubType() const;
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/* Get the name of the media data format this class represents. */
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virtual PString GetFormatName() const;
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BOOL OnSendingPDU(H245_AudioCapability & pdu, unsigned packetSize) const;
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BOOL OnReceivedPDU(const H245_AudioCapability & pdu, unsigned & packetSize);
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protected:
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int comfortNoise;
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int scrambled;
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};
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class MyH323EndPoint : public H323EndPoint
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{
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PCLASSINFO(MyH323EndPoint, H323EndPoint);
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public:
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MyH323EndPoint();
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int MyMakeCall(const PString &, PString &, void *_callReference, void *_opts);
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BOOL ClearCall(const PString &, H323Connection::CallEndReason reason);
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BOOL ClearCall(const PString &);
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void OnClosedLogicalChannel(H323Connection &, const H323Channel &);
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void OnConnectionEstablished(H323Connection &, const PString &);
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void OnConnectionCleared(H323Connection &, const PString &);
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virtual H323Connection * CreateConnection(unsigned, void *, H323Transport *, H323SignalPDU *);
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void SendUserTone(const PString &, char);
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BOOL OnConnectionForwarded(H323Connection &, const PString &, const H323SignalPDU &);
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BOOL ForwardConnection(H323Connection &, const PString &, const H323SignalPDU &);
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void SetEndpointTypeInfo( H225_EndpointType & info ) const;
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void SetGateway(void);
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PStringArray SupportedPrefixes;
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};
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class MyH323Connection : public H323Connection
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{
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PCLASSINFO(MyH323Connection, H323Connection);
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public:
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MyH323Connection(MyH323EndPoint &, unsigned, unsigned);
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~MyH323Connection();
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H323Channel * CreateRealTimeLogicalChannel(const H323Capability &,
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H323Channel::Directions,
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unsigned,
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const H245_H2250LogicalChannelParameters *,
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RTP_QOS *);
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H323Connection::AnswerCallResponse OnAnswerCall(const PString &,
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const H323SignalPDU &,
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H323SignalPDU &);
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void OnReceivedReleaseComplete(const H323SignalPDU &);
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BOOL OnAlerting(const H323SignalPDU &, const PString &);
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BOOL OnSendReleaseComplete(H323SignalPDU &);
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BOOL OnReceivedSignalSetup(const H323SignalPDU &);
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BOOL OnReceivedFacility(const H323SignalPDU &);
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BOOL OnSendSignalSetup(H323SignalPDU &);
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BOOL OnStartLogicalChannel(H323Channel &);
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BOOL OnClosingLogicalChannel(H323Channel &);
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virtual void SendUserInputTone(char tone, unsigned duration = 0, unsigned logicalChannel = 0, unsigned rtpTimestamp = 0);
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virtual void OnUserInputTone(char, unsigned, unsigned, unsigned);
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virtual void OnUserInputString(const PString &value);
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BOOL OnReceivedProgress(const H323SignalPDU &);
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void OnSendCapabilitySet(H245_TerminalCapabilitySet &);
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void OnSetLocalCapabilities();
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void SetCapabilities(int, int, void *, int);
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BOOL OnReceivedCapabilitySet(const H323Capabilities &, const H245_MultiplexCapability *,
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H245_TerminalCapabilitySetReject &);
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void SetCause(int _cause) { cause = _cause; };
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virtual BOOL StartControlChannel(const H225_TransportAddress & h245Address);
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void SetCallOptions(void *opts, BOOL isIncoming);
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void SetCallDetails(void *callDetails, const H323SignalPDU &setupPDU, BOOL isIncoming);
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#ifdef TUNNELLING
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virtual BOOL HandleSignalPDU(H323SignalPDU &pdu);
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BOOL EmbedTunneledInfo(H323SignalPDU &pdu);
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#endif
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PString sourceAliases;
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PString destAliases;
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PString sourceE164;
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PString destE164;
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PString rdnis;
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int redirect_reason;
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WORD sessionId;
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BOOL bridging;
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#ifdef TUNNELLING
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int remoteTunnelOptions;
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int tunnelOptions;
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#endif
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unsigned progressSetup;
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unsigned progressAlert;
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int cause;
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RTP_DataFrame::PayloadTypes dtmfCodec;
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int dtmfMode;
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};
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class MyH323_ExternalRTPChannel : public H323_ExternalRTPChannel
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{
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PCLASSINFO(MyH323_ExternalRTPChannel, H323_ExternalRTPChannel);
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public:
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MyH323_ExternalRTPChannel(
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MyH323Connection & connection,
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const H323Capability & capability,
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Directions direction,
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unsigned sessionID);
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~MyH323_ExternalRTPChannel();
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/* Overrides */
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BOOL Start(void);
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BOOL OnReceivedAckPDU(const H245_H2250LogicalChannelAckParameters & param);
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protected:
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BYTE payloadCode;
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PIPSocket::Address localIpAddr;
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PIPSocket::Address remoteIpAddr;
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WORD localPort;
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WORD remotePort;
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};
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/**
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* The MyProcess is a necessary descendant PProcess class so that the H323EndPoint
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* objected to be created from within that class. (Solves the who owns main() problem).
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*/
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class MyProcess : public PProcess
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{
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PCLASSINFO(MyProcess, PProcess);
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public:
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MyProcess();
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~MyProcess();
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void Main();
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};
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#include "compat_h323.h"
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#endif /* !defined AST_H323_H */
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