q931ptl.hpp

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/* ======================================================================== *\
 |
 |
 |  JOYIT Communication Technology
 |  Copyright (C)  2005,  All Right Reserved.
 |
 |  System: PSC
 |  Sub-system: Q931
 |  Filename:Q931ptl.cpp
 |  Environment: Red Hat Linux 7.2 & GNU C/C++ Compiler 2.96
 |  Function description: Q931 Protocol class
 |
\* ======================================================================== */

#ifndef _Q931PTL_HPP
#define _Q931PTL_HPP

#ifndef _PUBDEF_HPP
#include "pubdef.hpp"
#endif

#ifndef _PTLBASE_HPP
#include "ptlbase.hpp"
#endif

class CQ931Pdu : public CPduBase
{
public:
	CQ931Pdu( );
	CQ931Pdu(CQ931Pdu& s); // Copy construction function. Add 2005-11-04, by Wujianjin.
	CQ931Pdu(UINT8 pt, UINT8 pv, UINT8 pcf, UINT16 mt);
	~CQ931Pdu( );

public:
	static UINT8	Q931Ie2JoyitIe[MAX_IE];		// Index means Q931 IE value, array element value means Joyit Q931 IE value.
	static UINT8	JoyitIe2Q931Ie[MAX_IE];		// Index means Joyit Q931 IE value, array element value means Q931 IE value.
	static UINT16	Q931Msg2JoyitMsg[MAX_MSG];	// Index means Q931 message value, array element value means Joyit Q931 message value.
	static UINT8	JoyitMsg2Q931Msg[MAX_MSG];	// Index means Joyit Q931 message value, array element value means Q931 message value.

	static void		InitStaticData( );		// Initialize static data member.
	static void 	InitQ931Ie( );			// Initialize Q931Ie2JoyitIe array.
	static void		InitJoyitIe( );				// Initialize JoyitIe2Q931Ie array.
	static void		InitQ931Msg( );			// Initialize Q931Msg2JoyitMsg array.
	static void		InitJoyitMsg( );			// Initialize JoyitMsg2Q931Msg array.
	// static uchar	SetJoyitIeType (UINT8 id);		// Q931's IE to Q931 API's IE index.
	static uchar	ToJoyitIe (UINT8 id);		// Q931's IE to Q931 API's IE index.
	// static uchar	ChangeToQ931IeType(UINT8 id);		// Q931 API's IE index to Q931's IE.
	static uchar	ToQ931Ie(UINT8 id);		// Q931 API's IE index to Q931's IE.
	static UINT16	ToJoyitMsg(UINT8 id);	// Q931 message type to Q931 API message index.
	static uchar	ToQ931Msg(UINT16 id);	// Q931 API message index to Q931 message type.

public:
	virtual int Unpacked(char  * ptr, UINT16 len);
	virtual char 	* Output(UINT16& len);

public:
	virtual int DecomposeQ931Pdu(char  * ptr, UINT16 len);
	virtual char	* ComposeQ931Pdu(UINT16& len);
	char  * ComposeJoyitApi(UINT16& len);

public: // Add 2005-10-27, by Wujianjin.
	UINT16 WhatPrimitive(UINT16 mType, UINT8 ir=0); // Input Joyit API message type, return what Joyit API primitive type belong to.

private: // Add 2005-10-27, by Wujianjin.
	UINT16	ownedPcmId; // This message owned to which PRI.
	UINT8	ownedTsId;  // This message owned to which time slot.
	UINT16 linkId; // DSS1 link ID. Only useable in Q931 PDU. Add 2005-10-29, by Wujianjin.

public: // Add 2005-10-27, by Wujianjin.
	void OwnedPri(UINT16 pcm)
	{
		ownedPcmId = pcm;
	}

	void OwnedTs(UINT8 ts)
	{
		ownedTsId = ts;
	}

	void OwnedDss1(UINT16 dlid)
	{
		linkId = dlid;
	}
	
	void WhoOwned(UINT16& pcm, UINT8& ts)
	{
		pcm = ownedPcmId;
		ts = ownedTsId;
	}

	UINT16 GetPri( )
	{
		return ownedPcmId;
	}

	UINT8 GetTs( )
	{
		return ownedTsId;
	}

	UINT8 GetDss1( )
	{
		return linkId;
	}
	
private: // Add 2005-10-28, by Wujianjin.
	UINT8 lengthOfCallReference; // Leng of call reference.

public: // Add 2005-10-28, by Wujianjin.
	UINT8 GetProtocoldiscriminator( )
	{ // Only useable in Q931 PDU after unpacked the PDU.
		return Header[0];
	}
	
	UINT8 GetLOCR( )
	{ // Only useable in Q931 PDU after unpacked the PDU.
		return lengthOfCallReference;
	}

	UINT8 GetCallFlag( ); // Only useable in Q931 PDU after unpacked the PDU.
	UINT16 GetCallReference( ); // Only useable in Q931 PDU after unpacked the PDU.

//public:
//	void SortIeAscending( ); // Add 2005-11-03, by Wu jianjin. Because Q931 require all ie sort ascending.
};




//
// Declare Q931 IE
//
#define Q931_IE_SGM				0x00    // Segmented message 
#define Q931_IE_BC				0x04    // Bearer capability
#define Q931_IE_CAUSE			0x08	// Cause 
#define Q932_IE_EXTFAC			0x0d	// Extended facility
#define Q931_IE_CALLID			0x10    // Call identity
#define Q932_IE_CALLSTATE		0x14    // Call state
#define Q931_IE_CHNID           0x18    // Channel identification
#define Q932_IE_FAC				0x1c	// Facility
#define Q931_IE_PI				0x1e	// Progress Indicator
#define Q931_IE_NWSF     		0x20	// Network Specific Facilities
#define Q931_IE_NTFIND			0x27	// Notification Indicator     
#define Q931_IE_DISPLAY         0x28    // Display
#define Q931_IE_DATETIME		0x29    // Date/time
#define Q931_IE_KB				0x2C    // Keypad facility
#define Q932_IE_INFOREQ			0x32	// Information request
#define Q931_IE_SIGNAL          0x34    // Signal
#define Q932_IE_FTACT			0x38	// Feature activation 
#define Q932_IE_FTIND			0x39	// Feature indication
#define Q932_IE_SPIND			0x3a	// Service profile identification
#define Q932_IE_ENDID			0x3b	// Endpoint identifier
#define Q931_IE_INFRATE			0x40	// Information rate
#define Q931_IE_E2ETD			0x42    // End-to-end transit delay      
#define Q931_IE_TDSAI			0x43    // Transit delay selection and indication
#define Q931_IE_PLBP			0x44    // Packet layer binary parameters
#define Q931_IE_PLWS			0x45    // Packet layer window size
#define Q931_IE_PKTSIZE         0x46    // Packet size
#define Q931_IE_CUG				0x47	// Closed User Group 
#define Q931_IE_RCI				0x4a	// Reverse charge indication
#define Q931_IE_CONUM			0x4c	// Connected number
#define Q931_IE_CONSUB			0x4d	// Connected subaddress
#define Q931_IE_CLNPRTNUM		0x6c	// Calling Party Number
#define Q931_IE_CLNPRTSUB		0x6d	// Calling Party subaddress
#define Q931_IE_CLDPRTNUM		0x70	// Called Party Number
#define Q931_IE_CLDPRTSUB		0x71	// Called Party subaddress
#define Q931_IE_RGN				0x74	// Redirecting Number
#define Q931_IE_RNN				0x76	// Redirection Number
#define Q931_IE_TNWS			0x78	// Transit Network Selection
#define Q931_IE_RSTIND			0x79    // Restart indicator
#define Q931_IE_LLC             0x7c    // Low layer compatibility
#define Q931_IE_HLC             0x7d    // High layer compatibility 
#define Q931_IE_U2U				0x7e	// User-to-user 

// Single octet IE. Specifical process.
#define Q931_IE_RESERVED		0x80	// Reserved.
#define Q931_IE_SHIFT           0x90	// 0x9f    // Shift
#define Q931_IE_MOREDATA         0xA0	// 0x20    // More data
#define Q931_IE_SNDCMP          0xA1	// 0x21    // Sending complete
#define Q931_IE_CNGL			0xB0	// 0x0b    // Congestion level
#define Q931_IE_RPTIND          0xD0	// 0x0d    // Repeat indicator

//     
// Declare Q931 signal message type.
//

// Call establishment message
#define Q931_MSG_ALERTING               0x01
#define Q931_MSG_CALL_PROC				0x02
#define Q931_MSG_PROGRESS				0x03
#define Q931_MSG_SETUP					0x05  
#define Q931_MSG_SETUP_ACK				0x0d
#define Q931_MSG_CONNECT				0x07
#define Q931_MSG_CONNECT_ACK			0x0f

// Call information phase messages
#define Q931_MSG_USER_INF			    0x20
#define Q931_MSG_SUSPEND_REJ			0x21