rtxContext.h

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00001 /*
00002  * Copyright (c) 2003-2014 Objective Systems, Inc.
00003  *
00004  * This software is furnished under a license and may be used and copied
00005  * only in accordance with the terms of such license and with the
00006  * inclusion of the above copyright notice. This software or any other
00007  * copies thereof may not be provided or otherwise made available to any
00008  * other person. No title to and ownership of the software is hereby
00009  * transferred.
00010  *
00011  * The information in this software is subject to change without notice
00012  * and should not be construed as a commitment by Objective Systems, Inc.
00013  *
00014  * PROPRIETARY NOTICE
00015  *
00016  * This software is an unpublished work subject to a confidentiality agreement
00017  * and is protected by copyright and trade secret law.  Unauthorized copying,
00018  * redistribution or other use of this work is prohibited.
00019  *
00020  * The above notice of copyright on this source code product does not indicate
00021  * any actual or intended publication of such source code.
00022  *
00023  *****************************************************************************/
00028 #ifndef _RTXCONTEXT_H_
00029 #define _RTXCONTEXT_H_
00030 
00031 #include "rtxsrc/rtxDList.h"
00032 
00033 #define OSRTENCBUFSIZ 1024    /* dynamic encode buffer extent size     */
00034 
00039 /* run-time error info structures */
00040 
00041 #define OSRTERRSTKSIZ   8       /* error stack size                     */
00042 #define OSRTMAXERRPRM   5       /* maximum error parameters             */
00043 
00051 typedef struct {
00052    const OSUTF8CHAR* module;
00053    OSINT32      lineno;
00054 } OSRTErrLocn;
00055 
00066 typedef struct {
00067    OSRTErrLocn  stack[OSRTERRSTKSIZ];
00068    OSINT16      status;
00069    OSUINT8      stkx;
00070    OSUINT8      parmcnt;
00071    OSUTF8CHAR*  parms[OSRTMAXERRPRM];
00072    OSUTF8CHAR*  elemName;
00073 } OSRTErrInfo;
00074 
00075 typedef struct {
00076    OSRTDList list;              /* list of errors */
00077    OSRTErrInfo reserved;        /* error info elem, used if nomem to alloc */
00078    OSRTDListNode reservedNode;  /* node placeholder for errInfo elem       */
00079 } OSRTErrInfoList;
00080 
00089 typedef struct {
00090    OSOCTET*     data;           /* pointer to start of data buffer      */
00091    OSSIZE       byteIndex;      /* byte index                           */
00092    OSSIZE       size;           /* current buffer size                  */
00093    OSINT16      bitOffset;      /* current bit offset (8 - 1)           */
00094    OSBOOL       dynamic;        /* is buffer dynamic?                   */
00095    OSBOOL       aligned;        /* is buffer byte aligned?              */
00096 } OSRTBuffer;
00097 
00098 typedef OSUINT32 OSRTFLAGS;
00099 
00106 typedef struct {
00107    OSSIZE      byteIndex;      /* byte index                           */
00108    OSINT16     bitOffset;      /* current bit offset (8 - 1)           */
00109    OSRTFLAGS   flags;          /* flag bits                            */
00110 } OSRTBufSave;
00111 
00112 /* OSRTCTXT flag mask values : bits 32 - 16 are for common flags, bits  */
00113 /* 15 - 0 are reserved for application specific flags                   */
00114 
00115 #define OSDIAG          0x80000000  /* diagnostic tracing enabled       */
00116 #define OSTRACE         0x40000000  /* tracing enabled                  */
00117 #define OSDISSTRM       0x20000000  /* disable stream encode/decode     */
00118 #define OSNOSTRMBACKOFF 0x8000000   /* stream mark/reset funcs is not used */
00119 #define OS3GMOBORIG     0x4000000   /* 3G mobile-originated (net to MS) */
00120 
00121 struct OSCTXT;
00128 typedef int (*OSFreeCtxtAppInfoPtr)(struct OSCTXT* pctxt);
00129 
00136 typedef int (*OSResetCtxtAppInfoPtr)(struct OSCTXT* pctxt);
00137 
00145 typedef void (*OSFreeCtxtGlobalPtr)(struct OSCTXT* pctxt);
00146 
00147 /* Alias for __cdecl modifier; if __cdecl keyword is not supported,
00148  * redefine it as empty macro. */
00149 
00150 #if !defined(OSCDECL)
00151 #if defined(_MSC_VER) || defined(__BORLANDC__)
00152 #define OSCDECL __cdecl
00153 #else
00154 #define OSCDECL
00155 #endif
00156 #endif /* OSCDECL */
00157 
00165 typedef struct OSCTXT {          /* run-time context block               */
00166    void*         pMemHeap;       /* internal message memory heap         */
00167    OSRTBuffer    buffer;         /* data buffer                          */
00168    OSRTBufSave   savedInfo;      /* saved buffer info                    */
00169    OSRTErrInfoList errInfo;      /* run-time error info                  */
00170    OSUINT32      initCode;       /* code double word to indicate init    */
00171    OSRTFLAGS     flags;          /* flag bits                            */
00172    OSOCTET       level;          /* nesting level                        */
00173    OSOCTET       state;          /* encode/decode process state          */
00174    OSOCTET       diagLevel;      /* diagnostic trace level               */
00175    OSOCTET       lastChar;       /* last char/byte written or read       */
00176 #ifndef _NO_STREAM
00177    struct OSRTSTREAM* pStream;   /* Stream                               */
00178    struct OSRTPrintStream *pPrintStrm; /* Print Stream                   */
00179 #endif /* _NO_STREAM */
00180    OSRTDList elemNameStack;      /* element name stack                   */
00181    OSRTDList regExpCache;        /* compiled regular expression cache    */
00182    const OSOCTET* key;           /* pointer to run-time key data         */
00183    OSSIZE        keylen;         /* run-time key length                  */
00184    OSVoidPtr     pXMLInfo;       /* XML specific info                    */
00185    OSVoidPtr     pASN1Info;      /* ASN.1 specific info                  */
00186    OSVoidPtr     pUserData;      /* User defined data                    */
00187    OSVoidPtr     pGlobalData;    /* Global constant data                 */
00188    OSFreeCtxtGlobalPtr gblFreeFunc; /* Global free function              */
00189    OSVoidPtr     ssl;            /* SSL stack endpoint                   */
00190    struct OSRTDiagBitFieldList* pBitFldList; /* Bit field trace list     */
00191    OSUINT16      indent;         /* Print Stream indent                  */
00192    OSUINT16      version;        /* Protocol version                     */
00193 } OSCTXT;
00194 
00195 #define OSRT_GET_FIRST_ERROR_INFO(pctxt) \
00196 (((pctxt)->errInfo.list.head == 0) ? (OSRTErrInfo*)0 : \
00197 (OSRTErrInfo*)((pctxt)->errInfo.list.head->data))
00198 
00199 #define OSRT_GET_LAST_ERROR_INFO(pctxt) \
00200 (((pctxt)->errInfo.list.tail == 0) ? (OSRTErrInfo*)0 : \
00201 (OSRTErrInfo*)((pctxt)->errInfo.list.tail->data))
00202 
00206 #ifndef _NO_STREAM
00207 
00208 #define OSRTISSTREAM(pctxt) \
00209 ((pctxt)->pStream != 0 && !((pctxt)->flags & OSDISSTRM))
00210 
00211 #else /* _NO_STREAM */
00212 
00213 #define OSRTISSTREAM(pctxt) FALSE
00214 
00215 #endif /* _NO_STREAM */
00216 
00217 #define OSRTBUFCUR(pctxt)   (pctxt)->buffer.data[(pctxt)->buffer.byteIndex]
00218 #define OSRTBUFPTR(pctxt)   &(pctxt)->buffer.data[(pctxt)->buffer.byteIndex]
00219 #define OSRTBUFFER(pctxt)   (pctxt)->buffer.data
00220 #define OSRTBUFSIZE(pctxt)  (pctxt)->buffer.size
00221 
00222 #define OSRTBUFSAVE(pctxt) { \
00223 (pctxt)->savedInfo.byteIndex = (pctxt)->buffer.byteIndex; \
00224 (pctxt)->savedInfo.flags = (pctxt)->flags; }
00225 
00226 #define OSRTBUFSAVE2(pctxt,pSavedBuf) { \
00227 (pSavedBuf)->byteIndex = (pctxt)->buffer.byteIndex; \
00228 (pSavedBuf)->bitOffset = (pctxt)->buffer.bitOffset; \
00229 (pSavedBuf)->flags = (pctxt)->flags; }
00230 
00231 #define OSRTBUFRESTORE(pctxt) { \
00232 (pctxt)->buffer.byteIndex = (pctxt)->savedInfo.byteIndex; \
00233 (pctxt)->flags = (pctxt)->savedInfo.flags; }
00234 
00235 #define OSRTBUFRESTORE2(pctxt,pSavedBuf) { \
00236 (pctxt)->buffer.byteIndex = (pSavedBuf)->byteIndex; \
00237 (pctxt)->buffer.bitOffset = (pSavedBuf)->bitOffset; \
00238 (pctxt)->flags = (pSavedBuf)->flags; }
00239 
00240 #define OSRTBYTEALIGNED(pctxt) \
00241 ((pctxt)->buffer.bitOffset == 8 || (pctxt)->buffer.bitOffset == 0)
00242 
00243 /* Pointers to C Run-Time memory allocation functions */
00244 
00245 typedef void *(OSCDECL *OSMallocFunc ) (OSSIZE size);
00246 typedef void *(OSCDECL *OSReallocFunc) (void *ptr, OSSIZE size);
00247 typedef void  (OSCDECL *OSFreeFunc   ) (void *ptr);
00248 
00249 #ifdef __cplusplus
00250 extern "C" {
00251 #endif
00252 
00277 #ifndef rtxInitContext
00278 EXTERNRT int rtxInitContext (OSCTXT* pctxt);
00279 #endif
00280 
00295 EXTERNRT int rtxInitContextExt (OSCTXT* pctxt,
00296                                 OSMallocFunc malloc_func,
00297                                 OSReallocFunc realloc_func,
00298                                 OSFreeFunc free_func);
00299 
00320 EXTERNRT int rtxInitThreadContext (OSCTXT* pctxt, const OSCTXT* pSrcCtxt);
00321 
00340 EXTERNRT int rtxInitContextBuffer
00341 (OSCTXT* pctxt, OSOCTET* bufaddr, OSSIZE bufsiz);
00342 
00366 EXTERNRT int rtxCtxtSetBufPtr
00367 (OSCTXT* pctxt, OSOCTET* bufaddr, OSSIZE bufsiz);
00368 
00380 #define rtxCtxtGetMsgPtr(pctxt) (pctxt)->buffer.data
00381 
00391 #define rtxCtxtGetMsgLen(pctxt) (pctxt)->buffer.byteIndex
00392 
00400 EXTERNRT OSSIZE rtxCtxtGetBitOffset (OSCTXT* pctxt);
00401 
00411 EXTERNRT int rtxCtxtSetBitOffset (OSCTXT* pctxt, OSSIZE offset);
00412 
00420 EXTERNRT OSSIZE rtxCtxtGetIOByteCount (OSCTXT* pctxt);
00421 
00431 EXTERNRT int rtxCheckContext (OSCTXT* pctxt);
00432 
00440 EXTERNRT void rtxFreeContext (OSCTXT* pctxt);
00441 
00451 EXTERNRT void rtxCopyContext (OSCTXT* pdest, OSCTXT* psrc);
00452 
00459 EXTERNRT void rtxCtxtSetFlag (OSCTXT* pctxt, OSUINT32 mask);
00460 
00468 EXTERNRT void rtxCtxtClearFlag (OSCTXT* pctxt, OSUINT32 mask);
00469 
00476 #define rtxCtxtTestFlag(pctxt,mask) (((pctxt)->flags & mask) != 0)
00477 
00492 EXTERNRT int rtxCtxtPushArrayElemName
00493 (OSCTXT* pctxt, const OSUTF8CHAR* elemName, OSSIZE idx);
00494 
00507 EXTERNRT int rtxCtxtPushElemName (OSCTXT* pctxt, const OSUTF8CHAR* elemName);
00508 
00523 EXTERNRT int rtxCtxtPushTypeName (OSCTXT* pctxt, const OSUTF8CHAR* typeName);
00524 
00535 EXTERNRT OSBOOL rtxCtxtPopArrayElemName (OSCTXT* pctxt);
00536 
00544 EXTERNRT const OSUTF8CHAR* rtxCtxtPopElemName (OSCTXT* pctxt);
00545 
00554 EXTERNRT const OSUTF8CHAR* rtxCtxtPopTypeName (OSCTXT* pctxt);
00555 
00563 #define rtxCtxtPeekElemName(pctxt) \
00564 (((pctxt)->elemNameStack.count > 0) ? \
00565  (const OSUTF8CHAR*)(pctxt)->elemNameStack.tail->data : (const OSUTF8CHAR*)0)
00566 
00567 EXTERNRT int rtxPreInitContext (OSCTXT* pctxt);
00568 
00578 EXTERNRT void rtxMemHeapSetFlags (OSCTXT* pctxt, OSUINT32 flags);
00579 
00588 EXTERNRT void  rtxMemHeapClearFlags (OSCTXT* pctxt, OSUINT32 flags);
00589 
00593 #define rtxByteAlign(pctxt) \
00594 if ((pctxt)->buffer.bitOffset != 8) { \
00595 (pctxt)->buffer.byteIndex++; (pctxt)->buffer.bitOffset = 8; }
00596 
00606 EXTERNRT int rtxMarkPos (OSCTXT* pctxt, OSSIZE* ppos);
00607 
00617 EXTERNRT int rtxResetToPos (OSCTXT* pctxt, OSSIZE pos);
00618 
00633 #define rtxCtxtSetProtocolVersion(pctxt,value) (pctxt)->version = value
00634 
00635 #define rtxMarkBitPos(pctxt,ppos,pbitoff) \
00636 (*(pbitoff) = (OSUINT8) (pctxt)->buffer.bitOffset, rtxMarkPos (pctxt, ppos))
00637 
00638 #define rtxResetToBitPos(pctxt,pos,bitoff) \
00639 ((pctxt)->buffer.bitOffset = (OSUINT8) bitoff, rtxResetToPos (pctxt, pos))
00640 
00641 #ifndef _COMPACT
00642 #define RTXCTXTPUSHARRAYELEMNAME(pctxt,name,idx)   \
00643 rtxCtxtPushArrayElemName(pctxt,OSUTF8(name),idx)
00644 
00645 #define RTXCTXTPOPARRAYELEMNAME(pctxt) \
00646 rtxCtxtPopArrayElemName(pctxt)
00647 
00648 #define RTXCTXTPUSHELEMNAME(pctxt,name) \
00649 rtxCtxtPushElemName(pctxt,OSUTF8(name))
00650 
00651 #define RTXCTXTPOPELEMNAME(pctxt) \
00652 rtxCtxtPopElemName(pctxt)
00653 
00654 #define RTXCTXTPUSHTYPENAME(pctxt,name) \
00655 rtxCtxtPushTypeName(pctxt,OSUTF8(name))
00656 
00657 #define RTXCTXTPOPTYPENAME(pctxt) \
00658 rtxCtxtPopTypeName(pctxt)
00659 #else
00660 #define RTXCTXTPUSHARRAYELEMNAME(pctxt,name,idx)
00661 #define RTXCTXTPOPARRAYELEMNAME(pctxt)
00662 #define RTXCTXTPUSHELEMNAME(pctxt,name)
00663 #define RTXCTXTPOPELEMNAME(pctxt)
00664 #define RTXCTXTPUSHTYPENAME(pctxt,name)
00665 #define RTXCTXTPOPTYPENAME(pctxt)
00666 #endif
00667 
00668 #ifdef __cplusplus
00669 }
00670 #endif
00671 
00674 #endif