mirror of
https://github.com/Unidata/netcdf-c.git
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221 lines
7.0 KiB
C
221 lines
7.0 KiB
C
/*********************************************************************
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* Copyright 2016, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*********************************************************************/
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/*
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External functions and state variables are
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defined here, including function-like #defines.
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*/
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#ifndef NCD4_H
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#define NCD4_H 1
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#include "d4includes.h"
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#include "d4util.h"
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#include "d4debug.h"
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#include "nc4internal.h"
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/**************************************************/
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/* Constants */
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#define RCFILEENV "DAPRCFILE"
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/* Figure out a usable max path name max */
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#ifdef PATH_MAX /* *nix* */
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#define NC_MAX_PATH PATH_MAX
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#else
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# ifdef MAX_PATH /*windows*/
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# define NC_MAX_PATH MAX_PATH
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# else
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# define NC_MAX_PATH 4096
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# endif
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#endif
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#define COUNTERTYPE unsigned long long
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#define COUNTERSIZE sizeof(COUNTERTYPE)
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/* Clear allocated memory (see e.g. d4data.c); Potentially costly*/
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#undef CLEARMEM
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/* Clear empty structure alignment space; Potentially costly, but probably less than CLEARMEM */
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#define CLEARSTRUCT
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/**************************************************/
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/* Global state */
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extern NCD4globalstate* NCD4_globalstate;
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/**************************************************/
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#undef nullfree
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#ifndef nullfree
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#define nullfree(m) ((m)==NULL?NULL:(free(m),NULL))
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#endif
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#define nulldup(s) ((s)==NULL?NULL:strdup(s))
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/**************************************************/
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/* DSP API wrappers */
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#ifdef FIX
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extern int dsp_getDMR(ND4dsp* dsp, DCR** dcrp);
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extern int dsp_getDAP(ND4dsp* dsp, DCR** dcrp);
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extern int dsp_close(ND4dsp* dsp);
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/* DSP API */
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extern int dsp_open(const char* path, ND4dsp** dspp);
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/*
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extern NCerror dapbuildvaraprojection(CDFnode*,
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const size_t* startp, const size_t* countp, const ptrdiff_t* stridep,
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struct DCEprojection** projectionlist);
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extern NCerror NCD4_getvarx(int ncid, int varid,
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const size_t *startp,
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const size_t *countp,
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const ptrdiff_t *stridep,
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void *data,
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nc_type dsttype0);
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*/
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#endif
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/**************************************************/
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/* From d4http.c */
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extern long NCD4_fetchhttpcode(CURL* curl);
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extern int NCD4_fetchurl_file(CURL* curl, const char* url, FILE* stream, d4size_t* sizep, long* filetime);
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extern int NCD4_fetchurl(CURL* curl, const char* url, NCbytes* buf, long* filetime);
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extern int NCD4_curlopen(CURL** curlp);
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extern void NCD4_curlclose(CURL* curl);
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extern int NCD4_fetchlastmodified(CURL* curl, char* url, long* filetime);
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extern int NCD4_ping(const char* url);
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/* From d4read.c */
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extern int NCD4_readDMR(NCD4INFO* state);
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extern int NCD4_readDAP(NCD4INFO* state, int flags);
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/* From d4parser.c */
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extern int NCD4_parse(NCD4meta*);
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extern NCD4node* NCD4_findAttr(NCD4node* container, const char* attrname);
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extern NCD4node* NCD4_groupFor(NCD4node* node);
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/* From d4printer.c */
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extern int NCD4_print(NCD4meta*, NCbytes* output);
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/* From d4meta.c */
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extern NCD4meta* NCD4_newmeta(size_t size, void* rawdata);
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extern void NCD4_reclaimMeta(NCD4meta*);
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extern void NCD4_setdebuglevel(NCD4meta*,int);
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extern int NCD4_metabuild(NCD4meta*, int ncid);
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extern size_t NCD4_computeTypeSize(NCD4meta*, NCD4node* type);
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/* From d4chunk.c */
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extern int NCD4_dechunk(NCD4meta*);
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extern int NCD4_infermode(NCD4meta* meta);
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/* From d4swap.c */
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extern int NCD4_swapdata(NCD4meta*, NClist* topvars);
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/* From d4fix.c */
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extern int NCD4_delimit(NCD4meta*, NCD4node* var, void** offsetp);
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extern int NCD4_moveto(NCD4meta*, NCD4node* var, d4size_t count, void** offsetp);
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extern int NCD4_toposort(NCD4meta*);
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/* From d4data.c */
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extern int NCD4_processdata(NCD4meta*);
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extern int NCD4_fillinstance(NCD4meta*, NCD4node* type, void** offsetp, void** dstp, NClist* blobs);
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extern int NCD4_getToplevelVars(NCD4meta* meta, NCD4node* group, NClist* toplevel);
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/* From d4util.c */
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extern d4size_t NCD4_dimproduct(NCD4node* node);
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extern size_t NCD4_typesize(nc_type tid);
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extern int NCD4_isLittleEndian(void);/* Return 1 if this machine is little endian */
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extern int NCD4_errorNC(int code, const int line, const char* file);
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extern int NCD4_error(int code, const int line, const char* file, const char* fmt, ...);
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extern char* NCD4_makeFQN(NCD4node* node);
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extern char* NCD4_makeName(NCD4node*,const char* sep);
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extern int NCD4_parseFQN(const char* fqn0, NClist* pieces);
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extern char* NCD4_deescape(const char* esc);
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extern char* NCD4_entityescape(const char* s);
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/* From d4dump.c */
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extern void NCD4_dumpbytes(size_t size, const void* data0, int swap);
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extern void NCD4_tagdump(size_t size, const void* data0, int swap, const char* tag);
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extern void NCD4_dumpvars(NCD4node* group);
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extern union ATOMICS* NCD4_dumpatomic(NCD4node* var, void* data);
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/* From d4rc.c */
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extern int NCD4_rcload(void);
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extern int NCD4_rcprocess(NCD4INFO* info);
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extern void NCD4_rcfree(NClist* rc);
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extern char* NCD4_rclookup(char* key, char* hostport);
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extern int NCD4_parseproxy(NCD4INFO* info, const char* surl);
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extern int NCD4_rcdefault(NCD4INFO*);
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/* From d4cvt.c */
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extern int NCD4_convert(nc_type srctype, nc_type dsttype, char* memory0, char* value0, size_t count);
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/* From d4crc32.c */
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extern unsigned int NCD4_crc32(unsigned int crc, const void *buf, size_t size);
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/* Add an extra function whose sole purpose is to allow
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configure(.ac) to test for the presence of this code.
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*/
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extern int nc__dap4(void);
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/**************************************************/
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/* Macro defined functions */
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#undef NCCHECK
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#undef FAIL
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#define NCCHECK(expr) if((ret=(expr))) {ret = NCD4_errorNC(ret,__LINE__,__FILE__); goto done;}else{}
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#define FAIL(code,fmt,...) do{ret=NCD4_error(code,__LINE__,__FILE__,fmt , ##__VA_ARGS__); goto done;}while(0)
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#undef INCR
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#undef DECR
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#undef DELTA
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#define INCR(offset,size) ((void*)(((char*)(offset))+(size)))
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#define DECR(offset,size) ((void*)(((char*)(offset))-(size)))
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#define DELTA(p1,p2) ((ptrdiff_t)(((char*)(p1))-((char*)(p2))))
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#undef GETCOUNTER
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#undef SKIPCOUNTER
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#define GETCOUNTER(p) ((d4size_t)*((COUNTERTYPE*)(p)))
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#define SKIPCOUNTER(p) {p=INCR(p,COUNTERSIZE);}
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#undef PUSH
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#define PUSH(list,value) do{if((list)==NULL) {(list)=nclistnew();} else{}; nclistpush((list),(value));}while(0)
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#define getnc3id(d4) (getdap(d4)->nc4id)
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#define ISTOPLEVEL(var) ((var)->container == NULL || (var)->container->sort == NCD4_GROUP)
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#define FILEIDPART(NCID) (((unsigned int) (NCID)) >> ID_SHIFT)
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#define GROUPIDPART(NCID) (((unsigned int) (NCID)) & GRP_ID_MASK)
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#define MAKENCID(grp,file) ((((unsigned int)(file)) << ID_SHIFT) | (grp))
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#define getdap(ncp) ((NCD4INFO*)((NC*)ncp)->dispatchdata)
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#define getnc4id(ncp) (getdap(ncp)->substrate.nc4id)
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/* Convert a dap4 grpid to a substrate id */
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#define makenc4id(ncp,dap4id) (((dap4id) & GRP_ID_MASK) | getdap(ncp)->substrate.nc4id)
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/* and the inverse */
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#define makedap4id(ncp,nc4id) (((nc4id) & GRP_ID_MASK) | (ncp)->ext_ncid)
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#ifdef CLEARMEM
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#define d4alloc(n) (calloc(1,(size_t)(n)))
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#else
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#define d4alloc(n) (malloc((size_t)(n)))
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#endif
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/* A number of hacks have been inserted
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to deal with issues in accessing hyrax
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using DAP4.
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*/
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#undef HYRAXHACK
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#endif /*NCD4_H*/
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