83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
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#ifndef _CODER_HPP
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#define _CODER_HPP
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#define ObjectID_ ASN1objectidentifier_s
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typedef struct
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{
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ASN1encoding_t pEncInfo;
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ASN1decoding_t pDecInfo;
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}ASN1_CODER_INFO;
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typedef struct
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{
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ULONG length;
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PBYTE value;
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}ASN1_BUF;
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#include "t126.h"
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extern "C" {
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int T126_InitModule(void);
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int T126_TermModule(void);
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int T126_InitCoder(ASN1_CODER_INFO *pCoder);
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int T126_TermCoder(ASN1_CODER_INFO *pCoder);
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int T126_Encode(ASN1_CODER_INFO *pCoder, void *pStruct, int nPDU, ASN1_BUF *pBuf);
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int T126_Decode(ASN1_CODER_INFO *pCoder, void **ppStruct, int nPDU, ASN1_BUF *pBuf);
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}
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// DEBUG OPTIONS
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#define CODER_DEBUG 0x00000001
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#define CODER_SUPER_DEBUG 0x00000002
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// Coder Error Messages
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#define CODER_NOERROR 0
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#define CODER_ERROR 1
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// Protocol version information
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#define ITU_T 0
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#define RECOMMENDATION 0
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#define SERIES 20 // H225.0
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#define RECOMM_NUMBER 126
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#define VERSION 0
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#define ADDITIONAL 1
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class Coder{
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private:
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ASN1_CODER_INFO p_Coder;
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CRITICAL_SECTION m_critSec;
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public:
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struct ObjectID_ m_protocolIdentifier1,m_protocolIdentifier2,m_protocolIdentifier3,
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m_protocolIdentifier4,m_protocolIdentifier5,m_protocolIdentifier6;
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public:
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Coder();
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~Coder();
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int InitCoder();
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// Creates an OssBuf
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int Encode(SIPDU *pInputData, ASN1_BUF *pOutputOssBuf);
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// Create memory to hold decoded OssBuf
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// For H323 this is a rasStruct
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int Decode(ASN1_BUF *pInputOssBuf, SIPDU **pOutputData);
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// Used to free buffer created by decode
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int Free(SIPDU *pData);
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// Used to free buffer created by encode
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void Free(ASN1_BUF Asn1Buf);
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// Returns TRUE if protocols match, FALSE - otherwise
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__inline int freePDU(ASN1_CODER_INFO *pCoder, int nPDU, void *pDecoded,
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ASN1module_t pModule)
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{
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ASN1_FreeDecoded(pCoder->pDecInfo, pDecoded, nPDU);
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return ASN1_SUCCESS;
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}
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};
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#endif
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