File: ncd4.h

package info (click to toggle)
netcdf-parallel 1%3A4.9.0-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 113,164 kB
  • sloc: ansic: 267,893; sh: 12,869; cpp: 5,822; yacc: 2,613; makefile: 1,813; lex: 1,216; xml: 173; awk: 2
file content (240 lines) | stat: -rw-r--r-- 8,189 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/*********************************************************************
  *   Copyright 2018, UCAR/Unidata
  *   See netcdf/COPYRIGHT file for copying and redistribution conditions.
  *********************************************************************/

/*
External functions and state variables are
defined here, including function-like #defines.
*/

#ifndef NCD4_H
#define NCD4_H 1

#include "d4includes.h"
#include "d4util.h"
#include "d4debug.h"
#include "nc4internal.h"

/**************************************************/
/* Constants */

#define RCFILEENV "DAPRCFILE"

/* Figure out a usable max path name max */
#ifdef PATH_MAX /* *nix* */
#define NC_MAX_PATH PATH_MAX
#else
#  ifdef MAX_PATH /*windows*/
#    define NC_MAX_PATH MAX_PATH
#  else
#    define NC_MAX_PATH 4096
#  endif
#endif

#define COUNTERTYPE unsigned long long
#define COUNTERSIZE sizeof(COUNTERTYPE)

/* Clear allocated memory (see e.g. d4data.c); Potentially costly*/
#undef CLEARMEM

/* Clear empty structure alignment space; Potentially costly, but probably less than  CLEARMEM */
#define CLEARSTRUCT

/* Always use fixed size opaques */
#define FIXEDOPAQUE
#define DFALTOPAQUESIZE 16

/* Size of a chunk header */
#define CHUNKHDRSIZE 4

/* Special attributes */
#define D4CHECKSUMATTR "_DAP4_Checksum_CRC32"
#define D4LEATTR "_DAP4_Little_Endian" 

/**************************************************/

#undef nullfree
#ifndef nullfree
#define nullfree(m) ((m)==NULL?NULL:(free(m),NULL))
#endif
#define nulldup(s) ((s)==NULL?NULL:strdup(s))

/**************************************************/
/* DSP API wrappers */

#ifdef FIX
EXTERNL int dsp_getDMR(ND4dsp* dsp, DCR** dcrp);
EXTERNL int dsp_getDAP(ND4dsp* dsp, DCR** dcrp);
EXTERNL int dsp_close(ND4dsp* dsp);

/* DSP API */
EXTERNL int dsp_open(const char* path, ND4dsp** dspp);

#endif

/**************************************************/

/* From d4http.c */
EXTERNL long NCD4_fetchhttpcode(CURL* curl);
EXTERNL int NCD4_fetchurl_file(CURL* curl, const char* url, FILE* stream, d4size_t* sizep, long* filetime);
EXTERNL int NCD4_fetchurl(CURL* curl, const char* url, NCbytes* buf, long* filetime, int* httpcode);
EXTERNL int NCD4_curlopen(CURL** curlp);
EXTERNL void NCD4_curlclose(CURL* curl);
EXTERNL int NCD4_fetchlastmodified(CURL* curl, char* url, long* filetime);
EXTERNL int NCD4_ping(const char* url);

/* From d4read.c */
EXTERNL int NCD4_readDMR(NCD4INFO* state, int flags);
EXTERNL int NCD4_readDAP(NCD4INFO* state, int flags);
EXTERNL int NCD4_seterrormessage(NCD4meta* metadata, size_t len, char* msg);

/* From d4parser.c */
EXTERNL int NCD4_parse(NCD4meta*);
EXTERNL NCD4node* NCD4_findAttr(NCD4node* container, const char* attrname);
EXTERNL NCD4node* NCD4_groupFor(NCD4node* node);
EXTERNL int NCD4_defineattr(NCD4meta* meta, NCD4node* parent, const char* aname, const char* typename, NCD4node** attrp);

/* From d4printer.c */
EXTERNL int NCD4_print(NCD4meta*, NCbytes* output);

/* From d4meta.c */
EXTERNL NCD4meta* NCD4_newmeta(NCD4INFO*);
EXTERNL void NCD4_attachraw(NCD4meta*, size_t size, void* rawdata);
EXTERNL void NCD4_reclaimMeta(NCD4meta*);
EXTERNL void NCD4_resetMeta(NCD4meta*);
EXTERNL void reclaimNode(NCD4node* node);
EXTERNL void NCD4_setdebuglevel(NCD4meta*,int);
EXTERNL int NCD4_metabuild(NCD4meta*, int ncid);
EXTERNL size_t NCD4_computeTypeSize(NCD4meta*, NCD4node* type);
EXTERNL int NCD4_findvar(NC* ncp, int ncid, int varid, NCD4node** varp, NCD4node** grpp);

/* From d4chunk.c */
EXTERNL int NCD4_dechunk(NCD4meta*);
EXTERNL int NCD4_infermode(NCD4meta* meta);
struct NCD4serial;
EXTERNL void NCD4_resetSerial(struct NCD4serial* serial, size_t rawsize, void* rawdata);

/* From d4swap.c */
EXTERNL int NCD4_swapdata(NCD4meta*, NClist* topvars);

/* From d4fix.c */
EXTERNL int NCD4_delimit(NCD4meta*, NCD4node* var, void** offsetp);
EXTERNL int NCD4_moveto(NCD4meta*, NCD4node* var, d4size_t count, void** offsetp);
EXTERNL int NCD4_toposort(NCD4meta*);

/* From d4data.c */
EXTERNL int NCD4_processdata(NCD4meta*);
EXTERNL int NCD4_fillinstance(NCD4meta*, NCD4node* type, void** offsetp, void** dstp, NClist* blobs);
EXTERNL int NCD4_getToplevelVars(NCD4meta* meta, NCD4node* group, NClist* toplevel);

/* From d4util.c */
EXTERNL d4size_t NCD4_dimproduct(NCD4node* node);
EXTERNL size_t NCD4_typesize(nc_type tid);
EXTERNL int NCD4_isLittleEndian(void);/* Return 1 if this machine is little endian */
EXTERNL int NCD4_errorNC(int code, const int line, const char* file);
EXTERNL int NCD4_error(int code, const int line, const char* file, const char* fmt, ...);
EXTERNL char* NCD4_makeFQN(NCD4node* node);
EXTERNL char* NCD4_makeName(NCD4node*,const char* sep);
EXTERNL int NCD4_parseFQN(const char* fqn0, NClist* pieces);
EXTERNL char* NCD4_deescape(const char* esc);
EXTERNL char* NCD4_entityescape(const char* s);
EXTERNL size_t NCD4_elidenuls(char* s, size_t slen);
EXTERNL void* NCD4_getheader(void* p, NCD4HDR* hdr, int hostlittleendian);
EXTERNL void NCD4_reporterror(NCD4INFO* state);

/* From d4dump.c */
EXTERNL void NCD4_dumpbytes(size_t size, const void* data0, int swap);
EXTERNL void NCD4_tagdump(size_t size, const void* data0, int swap, const char* tag);
EXTERNL void NCD4_dumpvars(NCD4node* group);
EXTERNL union ATOMICS* NCD4_dumpatomic(NCD4node* var, void* data);

/* From d4rc.c */
EXTERNL int NCD4_rcload(void);
EXTERNL int NCD4_rcprocess(NCD4INFO* info);
EXTERNL void NCD4_rcfree(NClist* rc);
EXTERNL char* NCD4_rclookup(char* key, char* hostport);
EXTERNL int NCD4_parseproxy(NCD4INFO* info, const char* surl);
EXTERNL int NCD4_rcdefault(NCD4INFO*);

/* From d4cvt.c */
EXTERNL int NCD4_convert(nc_type srctype, nc_type dsttype, char* memory0, char* value0, size_t count);

/* d4file.c */
EXTERNL void NCD4_applyclientparamcontrols(NCD4INFO*);
EXTERNL int NCD4_readDMRorDAP(NCD4INFO* d4info, NCD4mode mode);

/* ncd4dispatch.c */
struct NC_reservedatt; /*forward*/
EXTERNL const struct NC_reservedatt* NCD4_lookupreserved(const char* name);

/* Add an extra function whose sole purpose is to allow
   configure(.ac) to test for the presence of this code.
*/
EXTERNL int nc__dap4(void);

/**************************************************/
/* Macro defined functions */

#undef NCCHECK
#undef FAIL
#define NCCHECK(expr) if((ret=(expr))) {ret = NCD4_errorNC(ret,__LINE__,__FILE__); goto done;}else{}
#define FAIL(code,fmt,...) do{ret=NCD4_error(code,__LINE__,__FILE__,fmt , ##__VA_ARGS__); goto done;}while(0)

#undef INCR
#undef DECR
#undef DELTA
#define INCR(offset,size) ((void*)(((char*)(offset))+(size)))
#define DECR(offset,size) ((void*)(((char*)(offset))-(size)))
#define DELTA(p1,p2) ((ptrdiff_t)(((char*)(p1))-((char*)(p2))))

#undef GETCOUNTER
#undef SKIPCOUNTER

/* Unclear which macros are defined for which compilers.
   see: https://sourceforge.net/p/predef/wiki/Architectures/
*/
#if defined(__arm__) && __ARM_ARCH < 8
EXTERNL d4size_t NCD4_getcounter(void* p);
#define GETCOUNTER(p) NCD4_getcounter(p)
#else
#define GETCOUNTER(p) ((d4size_t)*((COUNTERTYPE*)(p)))
#endif /*defined(__arm__) && __ARM_ARCH < 8*/

#define SKIPCOUNTER(p) {p=INCR(p,COUNTERSIZE);}

#undef PUSH
#define PUSH(list,value) do{if((list)==NULL) {(list)=nclistnew();} else{}; nclistpush((list),(value));}while(0)

#define getnc3id(d4) (getdap(d4)->nc4id)

#define ISTOPLEVEL(var) ((var)->container == NULL || (var)->container->sort == NCD4_GROUP)

#define FILEIDPART(NCID) (((unsigned int) (NCID)) >> ID_SHIFT)
#define GROUPIDPART(NCID) (((unsigned int) (NCID)) & GRP_ID_MASK)
#define MAKENCID(grp,file) ((((unsigned int)(file)) << ID_SHIFT) | (grp))

#define getdap(ncp) ((NCD4INFO*)((NC*)ncp)->dispatchdata)
#define getnc4id(ncp) (getdap(ncp)->substrate.nc4id)

/* Convert a dap4 grpid to a substrate id */
#define makenc4id(ncp,dap4id) (((dap4id) & GRP_ID_MASK) | getdap(ncp)->substrate.nc4id)
/* and the inverse */
#define makedap4id(ncp,nc4id) (((nc4id) & GRP_ID_MASK) | (ncp)->ext_ncid)

#ifdef CLEARMEM
#define d4alloc(n) (calloc(1,(size_t)(n)))
#else
#define d4alloc(n) (malloc((size_t)(n)))
#endif

/* A number of hacks have been inserted
   to deal with issues in accessing hyrax
   using DAP4.
*/
#define HYRAXHACK

EXTERNL int NCD4_get_substrate(int ncid);

#endif /*NCD4_H*/