source: ntrip/trunk/rtcm3torinex/lib/rtcm3torinex.c@ 5521

Last change on this file since 5521 was 5521, checked in by mervart, 10 years ago
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1/*
2 Converter for RTCM3 data to RINEX.
3 $Id: rtcm3torinex.c 5521 2013-10-28 13:16:11Z mervart $
4 Copyright (C) 2005-2012 by Dirk Stöcker <stoecker@alberding.eu>
5
6 This software is a complete NTRIP-RTCM3 to RINEX converter as well as
7 a module of the BNC tool for multiformat conversion. Contact Dirk
8 Stöcker for suggestions and bug reports related to the RTCM3 to RINEX
9 conversion problems and the author of BNC for all the other problems.
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 or read http://www.gnu.org/licenses/gpl.txt
25*/
26
27#include <ctype.h>
28#include <errno.h>
29#include <math.h>
30#include <signal.h>
31#include <stdarg.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <string.h>
35#include <sys/types.h>
36#include <time.h>
37#include <unistd.h>
38
39#ifndef NO_RTCM3_MAIN
40#include <getopt.h>
41#include <netdb.h>
42#include <netinet/in.h>
43#include <sys/socket.h>
44#endif
45
46#ifndef sparc
47#include <stdint.h>
48#endif
49
50#ifndef isinf
51#define isinf(x) 0
52#endif
53
54#include "rtcm3torinex.h"
55
56/* CVS revision and version */
57static char revisionstr[] = "$Revision: 5521 $";
58
59#ifndef COMPILEDATE
60#define COMPILEDATE " built " __DATE__
61#endif
62
63static uint32_t CRC24(long size, const unsigned char *buf)
64{
65 uint32_t crc = 0;
66 int i;
67
68 while(size--)
69 {
70 crc ^= (*buf++) << (16);
71 for(i = 0; i < 8; i++)
72 {
73 crc <<= 1;
74 if(crc & 0x1000000)
75 crc ^= 0x01864cfb;
76 }
77 }
78 return crc;
79}
80
81static int GetMessage(struct RTCM3ParserData *handle)
82{
83 unsigned char *m, *e;
84 int i;
85
86 m = handle->Message+handle->SkipBytes;
87 e = handle->Message+handle->MessageSize;
88 handle->NeedBytes = handle->SkipBytes = 0;
89 while(e-m >= 3)
90 {
91 if(m[0] == 0xD3)
92 {
93 handle->size = ((m[1]&3)<<8)|m[2];
94 if(e-m >= handle->size+6)
95 {
96 if((uint32_t)((m[3+handle->size]<<16)|(m[3+handle->size+1]<<8)
97 |(m[3+handle->size+2])) == CRC24(handle->size+3, m))
98 {
99 handle->SkipBytes = handle->size;
100 break;
101 }
102 else
103 ++m;
104 }
105 else
106 {
107 handle->NeedBytes = handle->size+6;
108 break;
109 }
110 }
111 else
112 ++m;
113 }
114 if(e-m < 3)
115 handle->NeedBytes = 3;
116
117 /* copy buffer to front */
118 i = m - handle->Message;
119 if(i && m < e)
120 memmove(handle->Message, m, (size_t)(handle->MessageSize-i));
121 handle->MessageSize -= i;
122
123 return !handle->NeedBytes;
124}
125
126#define LOADBITS(a) \
127{ \
128 while((a) > numbits) \
129 { \
130 if(!size--) break; \
131 bitfield = (bitfield<<8)|*(data++); \
132 numbits += 8; \
133 } \
134}
135
136/* extract bits from data stream
137 b = variable to store result, a = number of bits */
138#define GETBITS64(b, a) \
139{ \
140 if(((a) > 56) && ((a)-56) > numbits) \
141 { \
142 uint64_t x; \
143 GETBITS(x, 56) \
144 LOADBITS((a)-56) \
145 b = ((x<<((a)-56)) | (bitfield<<(sizeof(bitfield)*8-numbits)) \
146 >>(sizeof(bitfield)*8-((a)-56))); \
147 numbits -= ((a)-56); \
148 } \
149 else \
150 { \
151 GETBITS(b, a) \
152 } \
153}
154
155/* extract bits from data stream
156 b = variable to store result, a = number of bits */
157#define GETBITS(b, a) \
158{ \
159 LOADBITS(a) \
160 b = (bitfield<<(64-numbits))>>(64-(a)); \
161 numbits -= (a); \
162}
163
164/* extract bits from data stream
165 b = variable to store result, a = number of bits */
166#define GETBITSFACTOR(b, a, c) \
167{ \
168 LOADBITS(a) \
169 b = ((bitfield<<(sizeof(bitfield)*8-numbits))>>(sizeof(bitfield)*8-(a)))*(c); \
170 numbits -= (a); \
171}
172
173/* extract floating value from data stream
174 b = variable to store result, a = number of bits */
175#define GETFLOAT(b, a, c) \
176{ \
177 LOADBITS(a) \
178 b = ((double)((bitfield<<(64-numbits))>>(64-(a))))*(c); \
179 numbits -= (a); \
180}
181
182/* extract signed floating value from data stream
183 b = variable to store result, a = number of bits */
184#define GETFLOATSIGN(b, a, c) \
185{ \
186 LOADBITS(a) \
187 b = ((double)(((int64_t)(bitfield<<(64-numbits)))>>(64-(a))))*(c); \
188 numbits -= (a); \
189}
190
191/* extract bits from data stream
192 b = variable to store result, a = number of bits */
193#define GETBITSSIGN(b, a) \
194{ \
195 LOADBITS(a) \
196 b = ((int64_t)(bitfield<<(64-numbits)))>>(64-(a)); \
197 numbits -= (a); \
198}
199
200#define GETFLOATSIGNM(b, a, c) \
201{ int l; \
202 LOADBITS(a) \
203 l = (bitfield<<(64-numbits))>>(64-1); \
204 b = ((double)(((bitfield<<(64-(numbits-1))))>>(64-(a-1))))*(c); \
205 numbits -= (a); \
206 if(l) b *= -1.0; \
207}
208
209#define SKIPBITS(b) { LOADBITS(b) numbits -= (b); }
210
211/* extract byte-aligned byte from data stream,
212 b = variable to store size, s = variable to store string pointer */
213#define GETSTRING(b, s) \
214{ \
215 b = *(data++); \
216 s = (char *) data; \
217 data += b; \
218 size -= b+1; \
219}
220
221struct leapseconds { /* specify the day of leap second */
222 int day; /* this is the day, where 23:59:59 exists 2 times */
223 int month; /* not the next day! */
224 int year;
225 int taicount;
226};
227static const int months[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
228static const struct leapseconds leap[] = {
229/*{31, 12, 1971, 10},*/
230/*{30, 06, 1972, 11},*/
231/*{31, 12, 1972, 12},*/
232/*{31, 12, 1973, 13},*/
233/*{31, 12, 1974, 14},*/
234/*{31, 12, 1975, 15},*/
235/*{31, 12, 1976, 16},*/
236/*{31, 12, 1977, 17},*/
237/*{31, 12, 1978, 18},*/
238/*{31, 12, 1979, 19},*/
239{30, 06, 1981,20},
240{30, 06, 1982,21},
241{30, 06, 1983,22},
242{30, 06, 1985,23},
243{31, 12, 1987,24},
244{31, 12, 1989,25},
245{31, 12, 1990,26},
246{30, 06, 1992,27},
247{30, 06, 1993,28},
248{30, 06, 1994,29},
249{31, 12, 1995,30},
250{30, 06, 1997,31},
251{31, 12, 1998,32},
252{31, 12, 2005,33},
253{31, 12, 2008,34},
254{30, 06, 2012,35},
255{0,0,0,0} /* end marker */
256};
257#define LEAPSECONDS 16 /* only needed for approx. time */
258#define GPSLEAPSTART 19 /* 19 leap seconds existed at 6.1.1980 */
259
260static int longyear(int year, int month)
261{
262 if(!(year % 4) && (!(year % 400) || (year % 100)))
263 {
264 if(!month || month == 2)
265 return 1;
266 }
267 return 0;
268}
269
270int gnumleap(int year, int month, int day)
271{
272 int ls = 0;
273 const struct leapseconds *l;
274
275 for(l = leap; l->taicount && year >= l->year; ++l)
276 {
277 if(year > l->year || month > l->month || (month == l->month && day > l->day))
278 ls = l->taicount - GPSLEAPSTART;
279 }
280 return ls;
281}
282
283/* Convert Moscow time into UTC (fixnumleap == 1) or GPS (fixnumleap == 0) */
284void updatetime(int *week, int *secOfWeek, int mSecOfWeek, int fixnumleap)
285{
286 int y,m,d,k,l, nul;
287 unsigned int j = *week*(7*24*60*60) + *secOfWeek + 5*24*60*60+3*60*60;
288 int glo_daynumber = 0, glo_timeofday;
289 for(y = 1980; j >= (unsigned int)(k = (l = (365+longyear(y,0)))*24*60*60)
290 + gnumleap(y+1,1,1); ++y)
291 {
292 j -= k; glo_daynumber += l;
293 }
294 for(m = 1; j >= (unsigned int)(k = (l = months[m]+longyear(y, m))*24*60*60)
295 + gnumleap(y, m+1, 1); ++m)
296 {
297 j -= k; glo_daynumber += l;
298 }
299 for(d = 1; j >= 24UL*60UL*60UL + gnumleap(y, m, d+1); ++d)
300 j -= 24*60*60;
301 glo_daynumber -= 16*365+4-d;
302 nul = gnumleap(y, m, d);
303 glo_timeofday = j-nul;
304
305 // original version
306 // if(mSecOfWeek < 5*60*1000 && glo_timeofday > 23*60*60)
307 // *secOfWeek += 24*60*60;
308 // else if(glo_timeofday < 5*60 && mSecOfWeek > 23*60*60*1000)
309 // *secOfWeek -= 24*60*60;
310
311 // new version
312 if(mSecOfWeek < 4*60*60*1000 && glo_timeofday > 20*60*60)
313 *secOfWeek += 24*60*60;
314 else if(glo_timeofday < 4*60*60 && mSecOfWeek > 20*60*60*1000)
315 *secOfWeek -= 24*60*60;
316
317 *secOfWeek += mSecOfWeek/1000-glo_timeofday;
318 if(fixnumleap)
319 *secOfWeek -= nul;
320 if(*secOfWeek < 0) {*secOfWeek += 24*60*60*7; --*week; }
321 if(*secOfWeek >= 24*60*60*7) {*secOfWeek -= 24*60*60*7; ++*week; }
322}
323
324int RTCM3Parser(struct RTCM3ParserData *handle)
325{
326 int ret=0;
327
328#ifdef NO_RTCM3_MAIN
329 if(GetMessage(handle)) /* don't repeat */
330#else
331 while(!ret && GetMessage(handle))
332#endif /* NO_RTCM3_MAIN */
333 {
334 /* using 64 bit integer types, as it is much easier than handling
335 the long datatypes in 32 bit */
336 uint64_t numbits = 0, bitfield = 0;
337 int size = handle->size, type;
338 int syncf, old = 0;
339 unsigned char *data = handle->Message+3;
340
341 GETBITS(type,12)
342#ifdef NO_RTCM3_MAIN
343 handle->blocktype = type;
344#endif /* NO_RTCM3_MAIN */
345 switch(type)
346 {
347#ifdef NO_RTCM3_MAIN
348 default:
349 ret = type;
350 break;
351 case 1005: case 1006:
352 {
353 SKIPBITS(22)
354 GETBITSSIGN(handle->antX, 38)
355 SKIPBITS(2)
356 GETBITSSIGN(handle->antY, 38)
357 SKIPBITS(2)
358 GETBITSSIGN(handle->antZ, 38)
359 if(type == 1006)
360 GETBITS(handle->antH, 16)
361 ret = type;
362 }
363 break;
364 case 1007: case 1008: case 1033:
365 {
366 char *antenna;
367 int antnum;
368
369 SKIPBITS(12)
370 GETSTRING(antnum,antenna)
371 memcpy(handle->antenna, antenna, antnum);
372 handle->antenna[antnum] = 0;
373 ret = type;
374 }
375 break;
376 case 1013:
377 {
378 SKIPBITS(12);
379 GETBITS(handle->modjulday, 16);
380 GETBITS(handle->secofday, 17);
381 SKIPBITS(5);
382 GETBITS(handle->leapsec, 8);
383 ret = 1013;
384 }
385 break;
386#endif /* NO_RTCM3_MAIN */
387 case 1019:
388 {
389 struct gpsephemeris *ge;
390 int sv, i;
391
392 ge = &handle->ephemerisGPS;
393 memset(ge, 0, sizeof(*ge));
394
395 GETBITS(sv, 6)
396 ge->satellite = (sv < 40 ? sv : sv+80);
397 GETBITS(ge->GPSweek, 10)
398 ge->GPSweek += 1024;
399 GETBITS(ge->URAindex, 4)
400 GETBITS(sv, 2)
401 if(sv & 1)
402 ge->flags |= GPSEPHF_L2PCODE;
403 if(sv & 2)
404 ge->flags |= GPSEPHF_L2CACODE;
405 GETFLOATSIGN(ge->IDOT, 14, R2R_PI/(double)(1<<30)/(double)(1<<13))
406 GETBITS(ge->IODE, 8)
407 GETBITS(ge->TOC, 16)
408 ge->TOC <<= 4;
409 GETFLOATSIGN(ge->clock_driftrate, 8, 1.0/(double)(1<<30)/(double)(1<<25))
410 GETFLOATSIGN(ge->clock_drift, 16, 1.0/(double)(1<<30)/(double)(1<<13))
411 GETFLOATSIGN(ge->clock_bias, 22, 1.0/(double)(1<<30)/(double)(1<<1))
412 GETBITS(ge->IODC, 10)
413 GETFLOATSIGN(ge->Crs, 16, 1.0/(double)(1<<5))
414 GETFLOATSIGN(ge->Delta_n, 16, R2R_PI/(double)(1<<30)/(double)(1<<13))
415 GETFLOATSIGN(ge->M0, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
416 GETFLOATSIGN(ge->Cuc, 16, 1.0/(double)(1<<29))
417 GETFLOAT(ge->e, 32, 1.0/(double)(1<<30)/(double)(1<<3))
418 GETFLOATSIGN(ge->Cus, 16, 1.0/(double)(1<<29))
419 GETFLOAT(ge->sqrt_A, 32, 1.0/(double)(1<<19))
420 GETBITS(ge->TOE, 16)
421 ge->TOE <<= 4;
422
423 GETFLOATSIGN(ge->Cic, 16, 1.0/(double)(1<<29))
424 GETFLOATSIGN(ge->OMEGA0, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
425 GETFLOATSIGN(ge->Cis, 16, 1.0/(double)(1<<29))
426 GETFLOATSIGN(ge->i0, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
427 GETFLOATSIGN(ge->Crc, 16, 1.0/(double)(1<<5))
428 GETFLOATSIGN(ge->omega, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
429 GETFLOATSIGN(ge->OMEGADOT, 24, R2R_PI/(double)(1<<30)/(double)(1<<13))
430 GETFLOATSIGN(ge->TGD, 8, 1.0/(double)(1<<30)/(double)(1<<1))
431 GETBITS(ge->SVhealth, 6)
432 GETBITS(sv, 1)
433 if(sv)
434 ge->flags |= GPSEPHF_L2PCODEDATA;
435 GETBITS(sv, 1)
436 if(sv)
437 ge->flags |= GPSEPHF_6HOURSFIT;
438
439 i = ((int)ge->GPSweek - (int)handle->GPSWeek)*7*24*60*60
440 + ((int)ge->TOE - (int)handle->GPSTOW) - 2*60*60;
441 if(i > 5*60*60 && i < 8*60*60)
442 {
443 handle->GPSTOW = ge->TOE;
444 handle->GPSWeek = ge->GPSweek;
445 }
446 ge->TOW = 0.9999E9;
447 ret = 1019;
448 }
449 break;
450 case 1045: case 1046:
451 {
452 struct galileoephemeris *ge;
453 int sv;
454
455 ge = &handle->ephemerisGALILEO;
456 memset(ge, 0, sizeof(*ge));
457
458 GETBITS(sv, 6)
459 ge->satellite = sv;
460 GETBITS(ge->Week, 12)
461 GETBITS(ge->IODnav, 10)
462 GETBITS(ge->SISA, 8)
463 GETFLOATSIGN(ge->IDOT, 14, R2R_PI/(double)(1<<30)/(double)(1<<13))
464 GETBITSFACTOR(ge->TOC, 14, 60)
465 GETFLOATSIGN(ge->clock_driftrate, 6, 1.0/(double)(1<<30)/(double)(1<<29))
466 GETFLOATSIGN(ge->clock_drift, 21, 1.0/(double)(1<<30)/(double)(1<<16))
467 GETFLOATSIGN(ge->clock_bias, 31, 1.0/(double)(1<<30)/(double)(1<<4))
468 GETFLOATSIGN(ge->Crs, 16, 1.0/(double)(1<<5))
469 GETFLOATSIGN(ge->Delta_n, 16, R2R_PI/(double)(1<<30)/(double)(1<<13))
470 GETFLOATSIGN(ge->M0, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
471 GETFLOATSIGN(ge->Cuc, 16, 1.0/(double)(1<<29))
472 GETFLOAT(ge->e, 32, 1.0/(double)(1<<30)/(double)(1<<3))
473 GETFLOATSIGN(ge->Cus, 16, 1.0/(double)(1<<29))
474 GETFLOAT(ge->sqrt_A, 32, 1.0/(double)(1<<19))
475 GETBITSFACTOR(ge->TOE, 14, 60)
476 GETFLOATSIGN(ge->Cic, 16, 1.0/(double)(1<<29))
477 GETFLOATSIGN(ge->OMEGA0, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
478 GETFLOATSIGN(ge->Cis, 16, 1.0/(double)(1<<29))
479 GETFLOATSIGN(ge->i0, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
480 GETFLOATSIGN(ge->Crc, 16, 1.0/(double)(1<<5))
481 GETFLOATSIGN(ge->omega, 32, R2R_PI/(double)(1<<30)/(double)(1<<1))
482 GETFLOATSIGN(ge->OMEGADOT, 24, R2R_PI/(double)(1<<30)/(double)(1<<13))
483 GETFLOATSIGN(ge->BGD_1_5A, 10, 1.0/(double)(1<<30)/(double)(1<<2))
484 if(type == 1046)
485 {
486 GETFLOATSIGN(ge->BGD_1_5B, 10, 1.0/(double)(1<<30)/(double)(1<<2))
487 GETBITS(ge->E5aHS, 2)
488 GETBITS(sv, 1)
489 if(sv)
490 ge->flags |= GALEPHF_E5ADINVALID;
491 GETFLOATSIGN(ge->BGD_1_5B, 10, 1.0/(double)(1<<30)/(double)(1<<2))
492 }
493 else
494 {
495 GETBITS(ge->E5bHS, 2)
496 GETBITS(sv, 1)
497 if(sv)
498 ge->flags |= GALEPHF_E5BDINVALID;
499 }
500 ret = type;
501 }
502 break;
503 case 1020:
504 {
505 struct glonassephemeris *ge;
506 int i;
507
508 ge = &handle->ephemerisGLONASS;
509 memset(ge, 0, sizeof(*ge));
510
511 ge->flags |= GLOEPHF_PAVAILABLE;
512 GETBITS(ge->almanac_number, 6)
513 GETBITS(i, 5)
514 ge->frequency_number = i-7;
515 if(ge->almanac_number >= 1 && ge->almanac_number <= PRN_GLONASS_NUM)
516 handle->GLOFreq[ge->almanac_number-1] = 100+ge->frequency_number;
517 GETBITS(i, 1)
518 if(i)
519 ge->flags |= GLOEPHF_ALMANACHEALTHY;
520 GETBITS(i, 1)
521 if(i)
522 ge->flags |= GLOEPHF_ALMANACHEALTHOK;
523 GETBITS(i, 2)
524 if(i & 1)
525 ge->flags |= GLOEPHF_P10TRUE;
526 if(i & 2)
527 ge->flags |= GLOEPHF_P11TRUE;
528 GETBITS(i, 5)
529 ge->tk = i*60*60;
530 GETBITS(i, 6)
531 ge->tk += i*60;
532 GETBITS(i, 1)
533 ge->tk += i*30;
534 GETBITS(i, 1)
535 if(i)
536 ge->flags |= GLOEPHF_UNHEALTHY;
537 GETBITS(i, 1)
538 if(i)
539 ge->flags |= GLOEPHF_P2TRUE;
540 GETBITS(i, 7)
541 ge->tb = i*15*60;
542 GETFLOATSIGNM(ge->x_velocity, 24, 1.0/(double)(1<<20))
543 GETFLOATSIGNM(ge->x_pos, 27, 1.0/(double)(1<<11))
544 GETFLOATSIGNM(ge->x_acceleration, 5, 1.0/(double)(1<<30))
545 GETFLOATSIGNM(ge->y_velocity, 24, 1.0/(double)(1<<20))
546 GETFLOATSIGNM(ge->y_pos, 27, 1.0/(double)(1<<11))
547 GETFLOATSIGNM(ge->y_acceleration, 5, 1.0/(double)(1<<30))
548 GETFLOATSIGNM(ge->z_velocity, 24, 1.0/(double)(1<<20))
549 GETFLOATSIGNM(ge->z_pos, 27, 1.0/(double)(1<<11))
550 GETFLOATSIGNM(ge->z_acceleration, 5, 1.0/(double)(1<<30))
551 GETBITS(i, 1)
552 if(i)
553 ge->flags |= GLOEPHF_P3TRUE;
554 GETFLOATSIGNM(ge->gamma, 11, 1.0/(double)(1<<30)/(double)(1<<10))
555 SKIPBITS(3) /* GLONASS-M P, GLONASS-M ln (third string) */
556 GETFLOATSIGNM(ge->tau, 22, 1.0/(double)(1<<30)) /* GLONASS tau n(tb) */
557 SKIPBITS(5) /* GLONASS-M delta tau n(tb) */
558 GETBITS(ge->E, 5)
559 /* GETBITS(b, 1) / * GLONASS-M P4 */
560 /* GETBITS(b, 4) / * GLONASS-M Ft */
561 /* GETBITS(b, 11) / * GLONASS-M Nt */
562 /* GETBITS(b, 2) / * GLONASS-M M */
563 /* GETBITS(b, 1) / * GLONASS-M The Availability of Additional Data */
564 /* GETBITS(b, 11) / * GLONASS-M Na */
565 /* GETFLOATSIGNM(b, 32, 1.0/(double)(1<<30)/(double)(1<<1)) / * GLONASS tau c */
566 /* GETBITS(b, 5) / * GLONASS-M N4 */
567 /* GETFLOATSIGNM(b, 22, 1.0/(double)(1<<30)/(double)(1<<1)) / * GLONASS-M tau GPS */
568 /* GETBITS(b, 1) / * GLONASS-M ln (fifth string) */
569 ge->GPSWeek = handle->GPSWeek;
570 ge->GPSTOW = handle->GPSTOW;
571 ret = 1020;
572 }
573 break;
574 case 1001: case 1002: case 1003: case 1004:
575 if(handle->GPSWeek)
576 {
577 int lastlockl1[64];
578 int lastlockl2[64];
579 struct gnssdata *gnss;
580 int i, numsats, wasamb=0;
581
582 for(i = 0; i < 64; ++i)
583 lastlockl1[i] = lastlockl2[i] = 0;
584
585 gnss = &handle->DataNew;
586
587 SKIPBITS(12) /* id */
588 GETBITS(i,30)
589 if(i/1000 < (int)handle->GPSTOW - 86400)
590 ++handle->GPSWeek;
591 handle->GPSTOW = i/1000;
592 if(gnss->week && (gnss->timeofweek != i || gnss->week
593 != handle->GPSWeek))
594 {
595 handle->Data = *gnss;
596 memset(gnss, 0, sizeof(*gnss));
597 old = 1;
598 }
599 gnss->timeofweek = i;
600 gnss->week = handle->GPSWeek;
601
602 GETBITS(syncf,1) /* sync */
603 GETBITS(numsats,5)
604 SKIPBITS(4) /* smind, smint */
605
606 while(numsats-- && gnss->numsats < GNSS_MAXSATS)
607 {
608 int sv, code, l1range, c,l,s,ce,le,se,amb=0;
609 int fullsat, num;
610
611 GETBITS(sv, 6)
612 fullsat = sv < 40 ? sv : sv+80;
613 for(num = 0; num < gnss->numsats
614 && fullsat != gnss->satellites[num]; ++num)
615 ;
616
617 if(num == gnss->numsats)
618 gnss->satellites[gnss->numsats++] = fullsat;
619
620 /* L1 */
621 GETBITS(code, 1);
622 if(code)
623 {
624 c = GNSSDF_P1DATA; ce = GNSSENTRY_P1DATA;
625 l = GNSSDF_L1PDATA; le = GNSSENTRY_L1PDATA;
626 s = GNSSDF_S1PDATA; se = GNSSENTRY_S1PDATA;
627 gnss->codetype[num][se] =
628 gnss->codetype[num][ce] = gnss->codetype[num][le] = "1W";
629 }
630 else
631 {
632 c = GNSSDF_C1DATA; ce = GNSSENTRY_C1DATA;
633 l = GNSSDF_L1CDATA; le = GNSSENTRY_L1CDATA;
634 s = GNSSDF_S1CDATA; se = GNSSENTRY_S1CDATA;
635 gnss->codetype[num][se] =
636 gnss->codetype[num][ce] = gnss->codetype[num][le] = "1C";
637 }
638 if(!handle->info[RTCM3_MSM_GPS].type[ce])
639 {
640 handle->info[RTCM3_MSM_GPS].type[ce] =
641 handle->info[RTCM3_MSM_GPS].type[le] =
642 handle->info[RTCM3_MSM_GPS].type[se] = gnss->codetype[num][ce][1];
643 }
644 GETBITS(l1range, 24);
645 GETBITSSIGN(i, 20);
646 if((i&((1<<20)-1)) != 0x80000)
647 {
648 gnss->dataflags[num] |= (c|l);
649 gnss->measdata[num][ce] = l1range*0.02;
650 gnss->measdata[num][le] = l1range*0.02+i*0.0005;
651 }
652 GETBITS(i, 7);
653 lastlockl1[sv] = i;
654 if(handle->lastlockGPSl1[sv] > i || i == 0)
655 gnss->dataflags2[num] |= GNSSDF2_LOCKLOSSL1;
656 if(type == 1002 || type == 1004)
657 {
658 GETBITS(amb,8);
659 if(amb && (gnss->dataflags[num] & c))
660 {
661 gnss->measdata[num][ce] += amb*299792.458;
662 gnss->measdata[num][le] += amb*299792.458;
663 ++wasamb;
664 }
665 GETBITS(i, 8);
666 if(i)
667 {
668 gnss->dataflags[num] |= s;
669 gnss->measdata[num][se] = i*0.25;
670 i /= 4*4;
671 if(i > 9) i = 9;
672 else if(i < 1) i = 1;
673 gnss->snrL1[num] = i;
674 }
675 }
676 gnss->measdata[num][le] /= GPS_WAVELENGTH_L1;
677 if(type == 1003 || type == 1004)
678 {
679 /* L2 */
680 GETBITS(code,2);
681 if(code)
682 {
683 c = GNSSDF_P2DATA; ce = GNSSENTRY_P2DATA;
684 l = GNSSDF_L2PDATA; le = GNSSENTRY_L2PDATA;
685 s = GNSSDF_S2PDATA; se = GNSSENTRY_S2PDATA;
686 if(code >= 2)
687 {
688 gnss->codetype[num][se] =
689 gnss->codetype[num][ce] = gnss->codetype[num][le] = "2W";
690 gnss->dataflags2[num] |= GNSSDF2_XCORRL2;
691 }
692 else
693 {
694 gnss->codetype[num][se] =
695 gnss->codetype[num][ce] = gnss->codetype[num][le] = "2P";
696 }
697 }
698 else
699 {
700 c = GNSSDF_C2DATA; ce = GNSSENTRY_C2DATA;
701 l = GNSSDF_L2CDATA; le = GNSSENTRY_L2CDATA;
702 s = GNSSDF_S2CDATA; se = GNSSENTRY_S2CDATA;
703 gnss->codetype[num][se] =
704 gnss->codetype[num][ce] = gnss->codetype[num][le] = "2 ";
705 }
706 if(!handle->info[RTCM3_MSM_GPS].type[ce])
707 {
708 handle->info[RTCM3_MSM_GPS].type[ce] =
709 handle->info[RTCM3_MSM_GPS].type[le] =
710 handle->info[RTCM3_MSM_GPS].type[se] = gnss->codetype[num][ce][1];
711 }
712 GETBITSSIGN(i,14);
713 if((i&((1<<14)-1)) != 0x2000)
714 {
715 gnss->dataflags[num] |= c;
716 gnss->measdata[num][ce] = l1range*0.02+i*0.02
717 +amb*299792.458;
718 }
719 GETBITSSIGN(i,20);
720 if((i&((1<<20)-1)) != 0x80000)
721 {
722 gnss->dataflags[num] |= l;
723 gnss->measdata[num][le] = l1range*0.02+i*0.0005
724 +amb*299792.458;
725 }
726 GETBITS(i,7);
727 lastlockl2[sv] = i;
728 if(handle->lastlockGPSl2[sv] > i || i == 0)
729 gnss->dataflags2[num] |= GNSSDF2_LOCKLOSSL2;
730 if(type == 1004)
731 {
732 GETBITS(i, 8);
733 if(i)
734 {
735 gnss->dataflags[num] |= s;
736 gnss->measdata[num][se] = i*0.25;
737 i /= 4*4;
738 if(i > 9) i = 9;
739 else if(i < 1) i = 1;
740 gnss->snrL2[num] = i;
741 }
742 }
743 gnss->measdata[num][le] /= GPS_WAVELENGTH_L2;
744 }
745 }
746 for(i = 0; i < 64; ++i)
747 {
748 handle->lastlockGPSl1[i] = lastlockl1[i];
749 handle->lastlockGPSl2[i] = lastlockl2[i];
750 }
751 if(!syncf && !old)
752 {
753 handle->Data = *gnss;
754 memset(gnss, 0, sizeof(*gnss));
755 }
756 if(!syncf || old)
757 {
758 if(wasamb) /* not RINEX compatible without */
759 ret = 1;
760 else
761 ret = 2;
762 }
763#ifdef NO_RTCM3_MAIN
764 else
765 ret = type;
766#endif /* NO_RTCM3_MAIN */
767 }
768 break;
769 case 1009: case 1010: case 1011: case 1012:
770 {
771 int lastlockl1[64];
772 int lastlockl2[64];
773 struct gnssdata *gnss;
774 int i, numsats;
775 int wasamb=0;
776
777 for(i = 0; i < 64; ++i)
778 lastlockl1[i] = lastlockl2[i] = 0;
779
780 gnss = &handle->DataNew;
781
782 SKIPBITS(12) /* id */;
783 GETBITS(i,27) /* tk */
784
785 updatetime(&handle->GPSWeek, &handle->GPSTOW, i, 0); /* Moscow -> GPS */
786 i = handle->GPSTOW*1000;
787 if(gnss->week && (gnss->timeofweek != i || gnss->week
788 != handle->GPSWeek))
789 {
790 handle->Data = *gnss;
791 memset(gnss, 0, sizeof(*gnss));
792 old = 1;
793 }
794
795 gnss->timeofweek = i;
796 gnss->week = handle->GPSWeek;
797
798 GETBITS(syncf,1) /* sync */
799 GETBITS(numsats,5)
800
801 SKIPBITS(4) /* smind, smint */
802
803 while(numsats-- && gnss->numsats < GNSS_MAXSATS)
804 {
805 int sv, code, l1range, c,l,s,ce,le,se,amb=0;
806 int freq;
807 int fullsat, num;
808
809 GETBITS(sv, 6)
810 fullsat = sv-1 + PRN_GLONASS_START;
811 for(num = 0; num < gnss->numsats
812 && fullsat != gnss->satellites[num]; ++num)
813 ;
814
815 if(num == gnss->numsats)
816 gnss->satellites[gnss->numsats++] = fullsat;
817
818 /* L1 */
819 GETBITS(code, 1)
820 GETBITS(freq, 5)
821
822 if(sv >= 1 && sv <= PRN_GLONASS_NUM)
823 handle->GLOFreq[sv-1] = 100+freq-7;
824
825 if(code)
826 {
827 c = GNSSDF_P1DATA; ce = GNSSENTRY_P1DATA;
828 l = GNSSDF_L1PDATA; le = GNSSENTRY_L1PDATA;
829 s = GNSSDF_S1PDATA; se = GNSSENTRY_S1PDATA;
830 gnss->codetype[num][se] =
831 gnss->codetype[num][ce] = gnss->codetype[num][le] = "1P";
832 }
833 else
834 {
835 c = GNSSDF_C1DATA; ce = GNSSENTRY_C1DATA;
836 l = GNSSDF_L1CDATA; le = GNSSENTRY_L1CDATA;
837 s = GNSSDF_S1CDATA; se = GNSSENTRY_S1CDATA;
838 gnss->codetype[num][se] =
839 gnss->codetype[num][ce] = gnss->codetype[num][le] = "1C";
840 }
841 if(!handle->info[RTCM3_MSM_GLONASS].type[ce])
842 {
843 handle->info[RTCM3_MSM_GLONASS].type[ce] =
844 handle->info[RTCM3_MSM_GLONASS].type[le] =
845 handle->info[RTCM3_MSM_GLONASS].type[se] = gnss->codetype[num][ce][1];
846 }
847 GETBITS(l1range, 25)
848 GETBITSSIGN(i, 20)
849 if((i&((1<<20)-1)) != 0x80000)
850 {
851 /* Handle this like GPS. Actually for GLONASS L1 range is always
852 valid. To be on the save side, we handle it as invalid like we
853 do for GPS and also remove range in case of 0x80000. */
854 gnss->dataflags[num] |= (c|l);
855 gnss->measdata[num][ce] = l1range*0.02;
856 gnss->measdata[num][le] = l1range*0.02+i*0.0005;
857 }
858 GETBITS(i, 7)
859 lastlockl1[sv] = i;
860 if(handle->lastlockGLOl1[sv] > i || i == 0)
861 gnss->dataflags2[num] |= GNSSDF2_LOCKLOSSL1;
862 if(type == 1010 || type == 1012)
863 {
864 GETBITS(amb,7)
865 if(amb && (gnss->dataflags[num] & c))
866 {
867 gnss->measdata[num][ce] += amb*599584.916;
868 gnss->measdata[num][le] += amb*599584.916;
869 ++wasamb;
870 }
871 GETBITS(i, 8)
872 if(i)
873 {
874 gnss->dataflags[num] |= s;
875 gnss->measdata[num][se] = i*0.25;
876 i /= 4*4;
877 if(i > 9) i = 9;
878 else if(i < 1) i = 1;
879 gnss->snrL1[num] = i;
880 }
881 }
882 gnss->measdata[num][le] /= GLO_WAVELENGTH_L1(freq-7);
883 if(type == 1011 || type == 1012)
884 {
885 /* L2 */
886 GETBITS(code,2)
887 if(code)
888 {
889 c = GNSSDF_P2DATA; ce = GNSSENTRY_P2DATA;
890 l = GNSSDF_L2PDATA; le = GNSSENTRY_L2PDATA;
891 s = GNSSDF_S2PDATA; se = GNSSENTRY_S2PDATA;
892 gnss->codetype[num][se] =
893 gnss->codetype[num][ce] = gnss->codetype[num][le] = "2P";
894 }
895 else
896 {
897 c = GNSSDF_C2DATA; ce = GNSSENTRY_C2DATA;
898 l = GNSSDF_L2CDATA; le = GNSSENTRY_L2CDATA;
899 s = GNSSDF_S2CDATA; se = GNSSENTRY_S2CDATA;
900 gnss->codetype[num][se] =
901 gnss->codetype[num][ce] = gnss->codetype[num][le] = "2C";
902 }
903 if(!handle->info[RTCM3_MSM_GLONASS].type[ce])
904 {
905 handle->info[RTCM3_MSM_GLONASS].type[ce] =
906 handle->info[RTCM3_MSM_GLONASS].type[le] =
907 handle->info[RTCM3_MSM_GLONASS].type[se] = gnss->codetype[num][ce][1];
908 }
909 GETBITSSIGN(i,14)
910 if((i&((1<<14)-1)) != 0x2000)
911 {
912 gnss->dataflags[num] |= c;
913 gnss->measdata[num][ce] = l1range*0.02+i*0.02
914 +amb*599584.916;
915 }
916 GETBITSSIGN(i,20)
917 if((i&((1<<20)-1)) != 0x80000)
918 {
919 gnss->dataflags[num] |= l;
920 gnss->measdata[num][le] = l1range*0.02+i*0.0005
921 +amb*599584.916;
922 }
923 GETBITS(i,7)
924 lastlockl2[sv] = i;
925 if(handle->lastlockGLOl2[sv] > i || i == 0)
926 gnss->dataflags2[num] |= GNSSDF2_LOCKLOSSL2;
927 if(type == 1012)
928 {
929 GETBITS(i, 8)
930 if(i)
931 {
932 gnss->dataflags[num] |= s;
933 gnss->measdata[num][se] = i*0.25;
934 i /= 4*4;
935 if(i > 9) i = 9;
936 else if(i < 1) i = 1;
937 gnss->snrL2[num] = i;
938 }
939 }
940 gnss->measdata[num][le] /= GLO_WAVELENGTH_L2(freq-7);
941 }
942 if(!sv || sv > 24) /* illegal, remove it again */
943 --gnss->numsats;
944 }
945 for(i = 0; i < 64; ++i)
946 {
947 handle->lastlockGLOl1[i] = lastlockl1[i];
948 handle->lastlockGLOl2[i] = lastlockl2[i];
949 }
950 if(!syncf && !old)
951 {
952 handle->Data = *gnss;
953 memset(gnss, 0, sizeof(*gnss));
954 }
955 if(!syncf || old)
956 {
957 if(wasamb) /* not RINEX compatible without */
958 ret = 1;
959 else
960 ret = 2;
961 }
962#ifdef NO_RTCM3_MAIN
963 else
964 ret = type;
965#endif /* NO_RTCM3_MAIN */
966 }
967 break;
968 case 1071: case 1081: case 1091: case 1101: case 1111: case 1121:
969 case 1072: case 1082: case 1092: case 1102: case 1112: case 1122:
970 case 1073: case 1083: case 1093: case 1103: case 1113: case 1123:
971 case 1074: case 1084: case 1094: case 1104: case 1114: case 1124:
972 case 1075: case 1085: case 1095: case 1105: case 1115: case 1125:
973 case 1076: case 1086: case 1096: case 1106: case 1116: case 1126:
974 case 1077: case 1087: case 1097: case 1107: case 1117: case 1127:
975 if(handle->GPSWeek)
976 {
977 struct CodeData {
978 int typeR;
979 int typeP;
980 int typeD;
981 int typeS;
982 int lock;
983 double wl;
984 const char *code; /* currently unused */
985 };
986 struct CodeData gps[RTCM3_MSM_NUMSIG] =
987 {
988 {0,0,0,0,0,0,0},
989 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
990 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1C"},
991 {GNSSENTRY_P1DATA,GNSSENTRY_L1PDATA,GNSSENTRY_D1PDATA,
992 GNSSENTRY_S1PDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1P"},
993 {GNSSENTRY_P1DATA,GNSSENTRY_L1PDATA,GNSSENTRY_D1PDATA,
994 GNSSENTRY_S1PDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1W"},
995 {0,0,0,0,0,0,0}/*{GNSSENTRY_P1DATA,GNSSENTRY_L1PDATA,GNSSENTRY_D1PDATA,
996 GNSSENTRY_S1PDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1Y"}*/,
997 {0,0,0,0,0,0,0},
998 {0,0,0,0,0,0,0},
999 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1000 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2C"},
1001 {GNSSENTRY_P2DATA,GNSSENTRY_L2PDATA,GNSSENTRY_D2PDATA,
1002 GNSSENTRY_S2PDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2P"},
1003 {GNSSENTRY_P2DATA,GNSSENTRY_L2PDATA,GNSSENTRY_D2PDATA,
1004 GNSSENTRY_S2PDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2W"},
1005 {0,0,0,0,0,0,0}/*{GNSSENTRY_P2DATA,GNSSENTRY_L2PDATA,GNSSENTRY_D2PDATA,
1006 GNSSENTRY_S2PDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2Y"}*/,
1007 {0,0,0,0,0,0,0},
1008 {0,0,0,0,0,0,0},
1009 {0,0,0,0,0,0,0},
1010 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1011 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2S"},
1012 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1013 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2L"},
1014 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1015 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2X"},
1016 {0,0,0,0,0,0,0},
1017 {0,0,0,0,0,0,0},
1018 {0,0,0,0,0,0,0},
1019 {0,0,0,0,0,0,0},
1020 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1021 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GPS_WAVELENGTH_L5,"5I"},
1022 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1023 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GPS_WAVELENGTH_L5,"5Q"},
1024 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1025 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GPS_WAVELENGTH_L5,"5X"},
1026 {0,0,0,0,0,0,0},
1027 {0,0,0,0,0,0,0},
1028 {0,0,0,0,0,0,0},
1029 {0,0,0,0,0,0,0},
1030 {0,0,0,0,0,0,0},
1031 {GNSSENTRY_C1NDATA,GNSSENTRY_L1NDATA,GNSSENTRY_D1NDATA,
1032 GNSSENTRY_S1NDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1S"},
1033 {GNSSENTRY_C1NDATA,GNSSENTRY_L1NDATA,GNSSENTRY_D1NDATA,
1034 GNSSENTRY_S1NDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1L"},
1035 {GNSSENTRY_C1NDATA,GNSSENTRY_L1NDATA,GNSSENTRY_D1NDATA,
1036 GNSSENTRY_S1NDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1X"}
1037 };
1038 /* NOTE: Uses 0.0, 1.0 for wavelength as sat index dependence is done later! */
1039 struct CodeData glo[RTCM3_MSM_NUMSIG] =
1040 {
1041 {0,0,0,0,0,0,0},
1042 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1043 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,0.0,"1C"},
1044 {GNSSENTRY_P1DATA,GNSSENTRY_L1PDATA,GNSSENTRY_D1PDATA,
1045 GNSSENTRY_S1PDATA,GNSSDF2_LOCKLOSSL1,0.0,"1P"},
1046 {0,0,0,0,0,0,0},
1047 {0,0,0,0,0,0,0},
1048 {0,0,0,0,0,0,0},
1049 {0,0,0,0,0,0,0},
1050 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1051 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,1.0,"2C"},
1052 {GNSSENTRY_P2DATA,GNSSENTRY_L2PDATA,GNSSENTRY_D2PDATA,
1053 GNSSENTRY_S2PDATA,GNSSDF2_LOCKLOSSL2,1.0,"2P"},
1054 {0,0,0,0,0,0,0},
1055 {0,0,0,0,0,0,0},
1056 {0,0,0,0,0,0,0},
1057 {0,0,0,0,0,0,0},
1058 {0,0,0,0,0,0,0},
1059 {0,0,0,0,0,0,0},
1060 {0,0,0,0,0,0,0},
1061 {0,0,0,0,0,0,0},
1062 {0,0,0,0,0,0,0},
1063 {0,0,0,0,0,0,0},
1064 {0,0,0,0,0,0,0},
1065 {0,0,0,0,0,0,0},
1066 {0,0,0,0,0,0,0},
1067 {0,0,0,0,0,0,0},
1068 {0,0,0,0,0,0,0},
1069 {0,0,0,0,0,0,0},
1070 {0,0,0,0,0,0,0},
1071 {0,0,0,0,0,0,0},
1072 {0,0,0,0,0,0,0},
1073 {0,0,0,0,0,0,0},
1074 {0,0,0,0,0,0,0},
1075 {0,0,0,0,0,0,0},
1076 {0,0,0,0,0,0,0}
1077 };
1078 struct CodeData gal[RTCM3_MSM_NUMSIG] =
1079 {
1080 {0,0,0,0,0,0,0},
1081 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1082 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GAL_WAVELENGTH_E1,"1C"},
1083 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1084 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GAL_WAVELENGTH_E1,"1A"},
1085 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1086 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GAL_WAVELENGTH_E1,"1B"},
1087 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1088 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GAL_WAVELENGTH_E1,"1X"},
1089 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1090 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GAL_WAVELENGTH_E1,"1Z"},
1091 {0,0,0,0,0,0,0},
1092 {GNSSENTRY_C6DATA,GNSSENTRY_L6DATA,GNSSENTRY_D6DATA,
1093 GNSSENTRY_S6DATA,GNSSDF2_LOCKLOSSE6,GAL_WAVELENGTH_E6,"6C"},
1094 {GNSSENTRY_C6DATA,GNSSENTRY_L6DATA,GNSSENTRY_D6DATA,
1095 GNSSENTRY_S6DATA,GNSSDF2_LOCKLOSSE6,GAL_WAVELENGTH_E6,"6A"},
1096 {GNSSENTRY_C6DATA,GNSSENTRY_L6DATA,GNSSENTRY_D6DATA,
1097 GNSSENTRY_S6DATA,GNSSDF2_LOCKLOSSE6,GAL_WAVELENGTH_E6,"6B"},
1098 {GNSSENTRY_C6DATA,GNSSENTRY_L6DATA,GNSSENTRY_D6DATA,
1099 GNSSENTRY_S6DATA,GNSSDF2_LOCKLOSSE6,GAL_WAVELENGTH_E6,"6X"},
1100 {GNSSENTRY_C6DATA,GNSSENTRY_L6DATA,GNSSENTRY_D6DATA,
1101 GNSSENTRY_S6DATA,GNSSDF2_LOCKLOSSE6,GAL_WAVELENGTH_E6,"6Z"},
1102 {0,0,0,0,0,0,0},
1103 {GNSSENTRY_C5BDATA,GNSSENTRY_L5BDATA,GNSSENTRY_D5BDATA,
1104 GNSSENTRY_S5BDATA,GNSSDF2_LOCKLOSSE5B,GAL_WAVELENGTH_E5B,"7I"},
1105 {GNSSENTRY_C5BDATA,GNSSENTRY_L5BDATA,GNSSENTRY_D5BDATA,
1106 GNSSENTRY_S5BDATA,GNSSDF2_LOCKLOSSE5B,GAL_WAVELENGTH_E5B,"7Q"},
1107 {GNSSENTRY_C5BDATA,GNSSENTRY_L5BDATA,GNSSENTRY_D5BDATA,
1108 GNSSENTRY_S5BDATA,GNSSDF2_LOCKLOSSE5B,GAL_WAVELENGTH_E5B,"7X"},
1109 {0,0,0,0,0,0,0},
1110 {GNSSENTRY_C5ABDATA,GNSSENTRY_L5ABDATA,GNSSENTRY_D5ABDATA,
1111 GNSSENTRY_S5ABDATA,GNSSDF2_LOCKLOSSE5AB,GAL_WAVELENGTH_E5AB,"8I"},
1112 {GNSSENTRY_C5ABDATA,GNSSENTRY_L5ABDATA,GNSSENTRY_D5ABDATA,
1113 GNSSENTRY_S5ABDATA,GNSSDF2_LOCKLOSSE5AB,GAL_WAVELENGTH_E5AB,"8Q"},
1114 {GNSSENTRY_C5ABDATA,GNSSENTRY_L5ABDATA,GNSSENTRY_D5ABDATA,
1115 GNSSENTRY_S5ABDATA,GNSSDF2_LOCKLOSSE5AB,GAL_WAVELENGTH_E5AB,"8X"},
1116 {0,0,0,0,0,0,0},
1117 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1118 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GAL_WAVELENGTH_E5A,"5I"},
1119 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1120 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GAL_WAVELENGTH_E5A,"5Q"},
1121 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1122 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GAL_WAVELENGTH_E5A,"5X"},
1123 {0,0,0,0,0,0,0},
1124 {0,0,0,0,0,0,0},
1125 {0,0,0,0,0,0,0},
1126 {0,0,0,0,0,0,0},
1127 {0,0,0,0,0,0,0},
1128 {0,0,0,0,0,0,0},
1129 {0,0,0,0,0,0,0},
1130 {0,0,0,0,0,0,0},
1131 };
1132 struct CodeData qzss[RTCM3_MSM_NUMSIG] =
1133 {
1134 {0,0,0,0,0,0,0},
1135 {GNSSENTRY_C1DATA,GNSSENTRY_L1CDATA,GNSSENTRY_D1CDATA,
1136 GNSSENTRY_S1CDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1C"},
1137 {0,0,0,0,0,0,0},
1138 {0,0,0,0,0,0,0},
1139 {0,0,0,0,0,0,0},
1140 {GNSSENTRY_CSAIFDATA,GNSSENTRY_LSAIFDATA,GNSSENTRY_DSAIFDATA,
1141 GNSSENTRY_SSAIFDATA,GNSSDF2_LOCKLOSSSAIF,GPS_WAVELENGTH_L1,"1Z"},
1142 {0,0,0,0,0,0,0},
1143 {0,0,0,0,0,0,0},
1144 {GNSSENTRY_CLEXDATA,GNSSENTRY_LLEXDATA,GNSSENTRY_DLEXDATA,
1145 GNSSENTRY_SLEXDATA,GNSSDF2_LOCKLOSSLEX,QZSS_WAVELENGTH_LEX,"6S"},
1146 {GNSSENTRY_CLEXDATA,GNSSENTRY_LLEXDATA,GNSSENTRY_DLEXDATA,
1147 GNSSENTRY_SLEXDATA,GNSSDF2_LOCKLOSSLEX,QZSS_WAVELENGTH_LEX,"6L"},
1148 {GNSSENTRY_CLEXDATA,GNSSENTRY_LLEXDATA,GNSSENTRY_DLEXDATA,
1149 GNSSENTRY_SLEXDATA,GNSSDF2_LOCKLOSSLEX,QZSS_WAVELENGTH_LEX,"6X"},
1150 {0,0,0,0,0,0,0},
1151 {0,0,0,0,0,0,0},
1152 {0,0,0,0,0,0,0},
1153 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1154 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2S"},
1155 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1156 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2L"},
1157 {GNSSENTRY_C2DATA,GNSSENTRY_L2CDATA,GNSSENTRY_D2CDATA,
1158 GNSSENTRY_S2CDATA,GNSSDF2_LOCKLOSSL2,GPS_WAVELENGTH_L2,"2X"},
1159 {0,0,0,0,0,0,0},
1160 {0,0,0,0,0,0,0},
1161 {0,0,0,0,0,0,0},
1162 {0,0,0,0,0,0,0},
1163 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1164 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GPS_WAVELENGTH_L5,"5I"},
1165 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1166 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GPS_WAVELENGTH_L5,"5Q"},
1167 {GNSSENTRY_C5DATA,GNSSENTRY_L5DATA,GNSSENTRY_D5DATA,
1168 GNSSENTRY_S5DATA,GNSSDF2_LOCKLOSSL5,GPS_WAVELENGTH_L5,"5X"},
1169 {0,0,0,0,0,0,0},
1170 {0,0,0,0,0,0,0},
1171 {0,0,0,0,0,0,0},
1172 {0,0,0,0,0,0,0},
1173 {0,0,0,0,0,0,0},
1174 {GNSSENTRY_C1NDATA,GNSSENTRY_L1NDATA,GNSSENTRY_D1NDATA,
1175 GNSSENTRY_S1NDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1D"},
1176 {GNSSENTRY_C1NDATA,GNSSENTRY_L1NDATA,GNSSENTRY_D1NDATA,
1177 GNSSENTRY_S1NDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1P"},
1178 {GNSSENTRY_C1NDATA,GNSSENTRY_L1NDATA,GNSSENTRY_D1NDATA,
1179 GNSSENTRY_S1NDATA,GNSSDF2_LOCKLOSSL1,GPS_WAVELENGTH_L1,"1X"}
1180 };
1181 struct CodeData compass[RTCM3_MSM_NUMSIG] =
1182 {
1183 {0,0,0,0,0,0,0},
1184 {GNSSENTRY_CB1DATA,GNSSENTRY_LB1DATA,GNSSENTRY_DB1DATA,
1185 GNSSENTRY_SB1DATA,GNSSDF2_LOCKLOSSB1,COMPASS_WAVELENGTH_B1,"1I"},
1186 {0,0,0,0,0,0,0},
1187 {0,0,0,0,0,0,0},
1188 {0,0,0,0,0,0,0},
1189 {0,0,0,0,0,0,0},
1190 {0,0,0,0,0,0,0},
1191 {GNSSENTRY_CB3DATA,GNSSENTRY_LB3DATA,GNSSENTRY_DB3DATA,
1192 GNSSENTRY_SB3DATA,GNSSDF2_LOCKLOSSB3,COMPASS_WAVELENGTH_B3,"6I"},
1193 {0,0,0,0,0,0,0},
1194 {0,0,0,0,0,0,0},
1195 {0,0,0,0,0,0,0},
1196 {0,0,0,0,0,0,0},
1197 {0,0,0,0,0,0,0},
1198 {GNSSENTRY_CB2DATA,GNSSENTRY_LB2DATA,GNSSENTRY_DB2DATA,
1199 GNSSENTRY_SB2DATA,GNSSDF2_LOCKLOSSB2,COMPASS_WAVELENGTH_B2,"7I"},
1200 {0,0,0,0,0,0,0},
1201 {0,0,0,0,0,0,0},
1202 {0,0,0,0,0,0,0},
1203 {0,0,0,0,0,0,0},
1204 {0,0,0,0,0,0,0},
1205 {0,0,0,0,0,0,0},
1206 {0,0,0,0,0,0,0},
1207 {0,0,0,0,0,0,0},
1208 {0,0,0,0,0,0,0},
1209 {0,0,0,0,0,0,0},
1210 {0,0,0,0,0,0,0},
1211 {0,0,0,0,0,0,0},
1212 {0,0,0,0,0,0,0},
1213 {0,0,0,0,0,0,0},
1214 {0,0,0,0,0,0,0},
1215 {0,0,0,0,0,0,0},
1216 {0,0,0,0,0,0,0},
1217 {0,0,0,0,0,0,0},
1218 };
1219
1220 int sys = RTCM3_MSM_GPS, i=0, count, j, old = 0, wasnoamb = 0,
1221 start=PRN_GPS_START;
1222 int syncf, sigmask, numsat = 0, numsig = 0, numcells;
1223 uint64_t satmask, cellmask, ui;
1224 double rrmod[RTCM3_MSM_NUMSAT];
1225 int rrint[RTCM3_MSM_NUMSAT], rdop[RTCM3_MSM_NUMSAT],
1226 extsat[RTCM3_MSM_NUMSAT];
1227 int ll[RTCM3_MSM_NUMCELLS]/*, hc[RTCM3_MSM_NUMCELLS]*/;
1228 double cnr[RTCM3_MSM_NUMCELLS];
1229 double cp[RTCM3_MSM_NUMCELLS], psr[RTCM3_MSM_NUMCELLS],
1230 dop[RTCM3_MSM_NUMCELLS];
1231 struct gnssdata *gnss = &handle->DataNew;
1232
1233 SKIPBITS(12)
1234 if(type >= 1121)
1235 {
1236 sys = RTCM3_MSM_COMPASS;
1237 start = PRN_COMPASS_START;
1238 }
1239 else if(type >= 1111)
1240 {
1241 sys = RTCM3_MSM_QZSS;
1242 start = PRN_QZSS_START;
1243 }
1244 else if(type >= 1101)
1245 {
1246 sys = RTCM3_MSM_SBAS;
1247 start = PRN_SBAS_START;
1248 }
1249 else if(type >= 1091)
1250 {
1251 sys = RTCM3_MSM_GALILEO;
1252 start = PRN_GALILEO_START;
1253 }
1254 else if(type >= 1081)
1255 {
1256 sys = RTCM3_MSM_GLONASS;
1257 start = PRN_GLONASS_START;
1258 }
1259
1260 for(i = 0; i < RTCM3_MSM_NUMSAT; ++i)
1261 extsat[i] = 15;
1262
1263 switch(sys)
1264 {
1265 case RTCM3_MSM_COMPASS:
1266 GETBITS(i,30)
1267 i += 14000;
1268 if(i >= 7*24*60*60*1000)
1269 i -= 7*24*60*60*1000;
1270 if(i/1000 < (int)handle->GPSTOW - 86400)
1271 ++handle->GPSWeek;
1272 handle->GPSTOW = i/1000;
1273 break;
1274 case RTCM3_MSM_GALILEO: /* use DF004 instead of DF248 */
1275 case RTCM3_MSM_QZSS:
1276 case RTCM3_MSM_SBAS:
1277 case RTCM3_MSM_GPS:
1278 GETBITS(i,30)
1279 if(i/1000 < (int)handle->GPSTOW - 86400)
1280 ++handle->GPSWeek;
1281 handle->GPSTOW = i/1000;
1282 break;
1283 case RTCM3_MSM_GLONASS:
1284 SKIPBITS(3)
1285 GETBITS(i,27) /* tk */
1286
1287 updatetime(&handle->GPSWeek, &handle->GPSTOW, i, 0); /* Moscow -> GPS */
1288 i = handle->GPSTOW*1000;
1289 break;
1290 }
1291
1292 if(gnss->week && (gnss->timeofweek != i || gnss->week
1293 != handle->GPSWeek))
1294 {
1295 handle->Data = *gnss;
1296 memset(gnss, 0, sizeof(*gnss));
1297 old = 1;
1298 }
1299 gnss->timeofweek = i;
1300 gnss->week = handle->GPSWeek;
1301
1302 GETBITS(syncf, 1)
1303 SKIPBITS(3+7+2+2+1+3)
1304 GETBITS64(satmask, RTCM3_MSM_NUMSAT)
1305
1306 /* http://gurmeetsingh.wordpress.com/2008/08/05/fast-bit-counting-routines/ */
1307 for(ui = satmask; ui; ui &= (ui - 1) /* remove rightmost bit */)
1308 ++numsat;
1309 GETBITS(sigmask, RTCM3_MSM_NUMSIG)
1310 for(i = sigmask; i; i &= (i - 1) /* remove rightmost bit */)
1311 ++numsig;
1312 i = numsat*numsig;
1313 GETBITS64(cellmask, (unsigned)i)
1314
1315 switch(type % 10)
1316 {
1317 case 1: case 2: case 3:
1318 ++wasnoamb;
1319 for(j = numsat; j--;)
1320 GETFLOAT(rrmod[j], 10, 1.0/1024.0)
1321 break;
1322 case 4: case 6:
1323 for(j = numsat; j--;)
1324 GETBITS(rrint[j], 8)
1325 for(j = numsat; j--;)
1326 GETFLOAT(rrmod[j], 10, 1.0/1024.0)
1327 break;
1328 case 5: case 7:
1329 for(j = numsat; j--;)
1330 GETBITS(rrint[j], 8)
1331 for(j = numsat; j--;)
1332 GETBITS(extsat[j], 4)
1333 for(j = numsat; j--;)
1334 GETFLOAT(rrmod[j], 10, 1.0/1024.0)
1335 for(j = numsat; j--;)
1336 GETBITSSIGN(rdop[j], 14)
1337 break;
1338 }
1339
1340 numcells = numsat*numsig;
1341 if(numcells <= RTCM3_MSM_NUMCELLS)
1342 {
1343 switch(type % 10)
1344 {
1345 case 1:
1346 for(count = numcells; count--;)
1347 if(cellmask & (UINT64(1)<<count))
1348 GETFLOATSIGN(psr[count], 15, 1.0/(1<<24))
1349 break;
1350 case 2:
1351 for(count = numcells; count--;)
1352 if(cellmask & (UINT64(1)<<count))
1353 GETFLOATSIGN(cp[count], 22, 1.0/(1<<29))
1354 for(count = numcells; count--;)
1355 if(cellmask & (UINT64(1)<<count))
1356 GETBITS(ll[count], 4)
1357 for(count = numcells; count--;)
1358 if(cellmask & (UINT64(1)<<count))
1359 SKIPBITS(1)/*GETBITS(hc[count], 1)*/
1360 break;
1361 case 3:
1362 for(count = numcells; count--;)
1363 if(cellmask & (UINT64(1)<<count))
1364 GETFLOATSIGN(psr[count], 15, 1.0/(1<<24))
1365 for(count = numcells; count--;)
1366 if(cellmask & (UINT64(1)<<count))
1367 GETFLOATSIGN(cp[count], 22, 1.0/(1<<29))
1368 for(count = numcells; count--;)
1369 if(cellmask & (UINT64(1)<<count))
1370 GETBITS(ll[count], 4)
1371 for(count = numcells; count--;)
1372 if(cellmask & (UINT64(1)<<count))
1373 SKIPBITS(1)/*GETBITS(hc[count], 1)*/
1374 break;
1375 case 4:
1376 for(count = numcells; count--;)
1377 if(cellmask & (UINT64(1)<<count))
1378 GETFLOATSIGN(psr[count], 15, 1.0/(1<<24))
1379 for(count = numcells; count--;)
1380 if(cellmask & (UINT64(1)<<count))
1381 GETFLOATSIGN(cp[count], 22, 1.0/(1<<29))
1382 for(count = numcells; count--;)
1383 if(cellmask & (UINT64(1)<<count))
1384 GETBITS(ll[count], 4)
1385 for(count = numcells; count--;)
1386 if(cellmask & (UINT64(1)<<count))
1387 SKIPBITS(1)/*GETBITS(hc[count], 1)*/
1388 for(count = numcells; count--;)
1389 if(cellmask & (UINT64(1)<<count))
1390 GETBITS(cnr[count], 6)
1391 break;
1392 case 5:
1393 for(count = numcells; count--;)
1394 if(cellmask & (UINT64(1)<<count))
1395 GETFLOATSIGN(psr[count], 15, 1.0/(1<<24))
1396 for(count = numcells; count--;)
1397 if(cellmask & (UINT64(1)<<count))
1398 GETFLOATSIGN(cp[count], 22, 1.0/(1<<29))
1399 for(count = numcells; count--;)
1400 if(cellmask & (UINT64(1)<<count))
1401 GETBITS(ll[count], 4)
1402 for(count = numcells; count--;)
1403 if(cellmask & (UINT64(1)<<count))
1404 SKIPBITS(1)/*GETBITS(hc[count], 1)*/
1405 for(count = numcells; count--;)
1406 if(cellmask & (UINT64(1)<<count))
1407 GETFLOAT(cnr[count], 6, 1.0)
1408 for(count = numcells; count--;)
1409 if(cellmask & (UINT64(1)<<count))
1410 GETFLOATSIGN(dop[count], 15, 0.0001)
1411 break;
1412 case 6:
1413 for(count = numcells; count--;)
1414 if(cellmask & (UINT64(1)<<count))
1415 GETFLOATSIGN(psr[count], 20, 1.0/(1<<29))
1416 for(count = numcells; count--;)
1417 if(cellmask & (UINT64(1)<<count))
1418 GETFLOATSIGN(cp[count], 24, 1.0/(1U<<31))
1419 for(count = numcells; count--;)
1420 if(cellmask & (UINT64(1)<<count))
1421 GETBITS(ll[count], 10)
1422 for(count = numcells; count--;)
1423 if(cellmask & (UINT64(1)<<count))
1424 SKIPBITS(1)/*GETBITS(hc[count], 1)*/
1425 for(count = numcells; count--;)
1426 if(cellmask & (UINT64(1)<<count))
1427 GETFLOAT(cnr[count], 10, 1.0/(1<<4))
1428 break;
1429 case 7:
1430 for(count = numcells; count--;)
1431 if(cellmask & (UINT64(1)<<count))
1432 GETFLOATSIGN(psr[count], 20, 1.0/(1<<29))
1433 for(count = numcells; count--;)
1434 if(cellmask & (UINT64(1)<<count))
1435 GETFLOATSIGN(cp[count], 24, 1.0/(1U<<31))
1436 for(count = numcells; count--;)
1437 if(cellmask & (UINT64(1)<<count))
1438 GETBITS(ll[count], 10)
1439 for(count = numcells; count--;)
1440 if(cellmask & (UINT64(1)<<count))
1441 SKIPBITS(1)/*GETBITS(hc[count], 1)*/
1442 for(count = numcells; count--;)
1443 if(cellmask & (UINT64(1)<<count))
1444 GETFLOAT(cnr[count], 10, 1.0/(1<<4))
1445 for(count = numcells; count--;)
1446 if(cellmask & (UINT64(1)<<count))
1447 GETFLOATSIGN(dop[count], 15, 0.0001)
1448 break;
1449 }
1450 i = RTCM3_MSM_NUMSAT;
1451 j = -1;
1452 for(count = numcells; count--;)
1453 {
1454 while(j >= 0 && !(sigmask&(1<<--j)))
1455 ;
1456 if(j < 0)
1457 {
1458 while(!(satmask&(UINT64(1)<<(--i)))) /* next satellite */
1459 ;
1460 j = RTCM3_MSM_NUMSIG;
1461 while(!(sigmask&(1<<--j)))
1462 ;
1463 --numsat;
1464 }
1465 if(cellmask & (UINT64(1)<<count))
1466 {
1467 struct CodeData cd = {0,0,0,0,0,0,0};
1468 double wl = 0.0;
1469 switch(sys)
1470 {
1471 case RTCM3_MSM_QZSS:
1472 cd = qzss[RTCM3_MSM_NUMSIG-j-1];
1473 wl = cd.wl;
1474 break;
1475 case RTCM3_MSM_COMPASS:
1476 cd = compass[RTCM3_MSM_NUMSIG-j-1];
1477 wl = cd.wl;
1478 break;
1479 case RTCM3_MSM_GPS: case RTCM3_MSM_SBAS:
1480 cd = gps[RTCM3_MSM_NUMSIG-j-1];
1481 wl = cd.wl;
1482 break;
1483 case RTCM3_MSM_GLONASS: cd = glo[RTCM3_MSM_NUMSIG-j-1];
1484 {
1485 int k = handle->GLOFreq[RTCM3_MSM_NUMSAT-i-1];
1486 if(!k && extsat[count] < 14)
1487 {
1488 k = handle->GLOFreq[RTCM3_MSM_NUMSAT-i-1]
1489 = 100+extsat[count]-7;
1490 }
1491 if(k)
1492 {
1493 if(cd.wl == 0.0)
1494 wl = GLO_WAVELENGTH_L1(k-100);
1495 else if(cd.wl == 1.0)
1496 wl = GLO_WAVELENGTH_L2(k-100);
1497 }
1498 }
1499 break;
1500 case RTCM3_MSM_GALILEO: cd = gal[RTCM3_MSM_NUMSIG-j-1];
1501 wl = cd.wl;
1502 break;
1503 }
1504 if(cd.lock && wl) /* lock cannot have a valid zero value */
1505 {
1506 int fullsat = RTCM3_MSM_NUMSAT-i-1, num;
1507
1508 if(sys == RTCM3_MSM_GALILEO && fullsat >= 50 && fullsat <= 51)
1509 fullsat += PRN_GIOVE_START-50;
1510 else
1511 fullsat += start;
1512
1513 for(num = 0; num < gnss->numsats
1514 && fullsat != gnss->satellites[num]; ++num)
1515 ;
1516
1517 if(num == gnss->numsats)
1518 gnss->satellites[gnss->numsats++] = fullsat;
1519
1520 gnss->codetype[num][cd.typeR] =
1521 gnss->codetype[num][cd.typeP] =
1522 gnss->codetype[num][cd.typeD] =
1523 gnss->codetype[num][cd.typeS] = cd.code;
1524 if(!handle->info[sys].type[cd.typeR])
1525 {
1526 handle->info[sys].type[cd.typeR] =
1527 handle->info[sys].type[cd.typeP] =
1528 handle->info[sys].type[cd.typeD] =
1529 handle->info[sys].type[cd.typeS] = cd.code[1];
1530 }
1531
1532 switch(type % 10)
1533 {
1534 case 1:
1535 if(psr[count] > -1.0/(1<<10))
1536 {
1537 gnss->measdata[num][cd.typeR] = psr[count]*LIGHTSPEED/1000.0
1538 +(rrmod[numsat])*LIGHTSPEED/1000.0;
1539 gnss->dataflags[num] |= (1LL<<cd.typeR);
1540 }
1541 break;
1542 case 2:
1543 if(wl && cp[count] > -1.0/(1<<8))
1544 {
1545 gnss->measdata[num][cd.typeP] = cp[count]*LIGHTSPEED/1000.0/wl
1546 +(rrmod[numsat])*LIGHTSPEED/1000.0/wl;
1547 if(handle->lastlockmsm[j][i] != ll[count])
1548 {
1549 gnss->dataflags2[num] |= cd.lock;
1550 handle->lastlockmsm[j][i] = ll[count];
1551 }
1552 gnss->dataflags[num] |= (1LL<<cd.typeP);
1553 }
1554 break;
1555 case 3:
1556 if(psr[count] > -1.0/(1<<10))
1557 {
1558 gnss->measdata[num][cd.typeR] = psr[count]*LIGHTSPEED/1000.0
1559 +(rrmod[numsat])*LIGHTSPEED/1000.0;
1560 gnss->dataflags[num] |= (1LL<<cd.typeR);
1561 }
1562
1563 if(wl && cp[count] > -1.0/(1<<8))
1564 {
1565 gnss->measdata[num][cd.typeP] = cp[count]*LIGHTSPEED/1000.0/wl
1566 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0/wl;
1567 if(handle->lastlockmsm[j][i] != ll[count])
1568 {
1569 gnss->dataflags2[num] |= cd.lock;
1570 handle->lastlockmsm[j][i] = ll[count];
1571 }
1572 gnss->dataflags[num] |= (1LL<<cd.typeP);
1573 }
1574 break;
1575 case 4:
1576 if(psr[count] > -1.0/(1<<10))
1577 {
1578 gnss->measdata[num][cd.typeR] = psr[count]*LIGHTSPEED/1000.0
1579 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0;
1580 gnss->dataflags[num] |= (1LL<<cd.typeR);
1581 }
1582
1583 if(wl && cp[count] > -1.0/(1<<8))
1584 {
1585 gnss->measdata[num][cd.typeP] = cp[count]*LIGHTSPEED/1000.0/wl
1586 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0/wl;
1587 if(handle->lastlockmsm[j][i] != ll[count])
1588 {
1589 gnss->dataflags2[num] |= cd.lock;
1590 handle->lastlockmsm[j][i] = ll[count];
1591 }
1592 gnss->dataflags[num] |= (1LL<<cd.typeP);
1593 }
1594
1595 gnss->measdata[num][cd.typeS] = cnr[count];
1596 gnss->dataflags[num] |= (1LL<<cd.typeS);
1597 break;
1598 case 5:
1599 if(psr[count] > -1.0/(1<<10))
1600 {
1601 gnss->measdata[num][cd.typeR] = psr[count]*LIGHTSPEED/1000.0
1602 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0;
1603 gnss->dataflags[num] |= (1LL<<cd.typeR);
1604 }
1605
1606 if(wl && cp[count] > -1.0/(1<<8))
1607 {
1608 gnss->measdata[num][cd.typeP] = cp[count]*LIGHTSPEED/1000.0/wl
1609 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0/wl;
1610 if(handle->lastlockmsm[j][i] != ll[count])
1611 {
1612 gnss->dataflags2[num] |= cd.lock;
1613 handle->lastlockmsm[j][i] = ll[count];
1614 }
1615 gnss->dataflags[num] |= (1LL<<cd.typeP);
1616 }
1617
1618 gnss->measdata[num][cd.typeS] = cnr[count];
1619 gnss->dataflags[num] |= (1<<cd.typeS);
1620
1621 if(dop[count] > -1.6384)
1622 {
1623 gnss->measdata[num][cd.typeD] = -(dop[count]
1624 +rdop[numsat])/wl;
1625 gnss->dataflags[num] |= (1LL<<cd.typeD);
1626 }
1627 break;
1628 case 6:
1629 if(psr[count] > -1.0/(1<<10))
1630 {
1631 gnss->measdata[num][cd.typeR] = psr[count]*LIGHTSPEED/1000.0
1632 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0;
1633 gnss->dataflags[num] |= (1LL<<cd.typeR);
1634 }
1635
1636 if(wl && cp[count] > -1.0/(1<<8))
1637 {
1638 gnss->measdata[num][cd.typeP] = cp[count]*LIGHTSPEED/1000.0/wl
1639 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0/wl;
1640 if(handle->lastlockmsm[j][i] != ll[count])
1641 {
1642 gnss->dataflags2[num] |= cd.lock;
1643 handle->lastlockmsm[j][i] = ll[count];
1644 }
1645 gnss->dataflags[num] |= (1LL<<cd.typeP);
1646 }
1647
1648 gnss->measdata[num][cd.typeS] = cnr[count];
1649 gnss->dataflags[num] |= (1LL<<cd.typeS);
1650 break;
1651 case 7:
1652 if(psr[count] > -1.0/(1<<10))
1653 {
1654 gnss->measdata[num][cd.typeR] = psr[count]*LIGHTSPEED/1000.0
1655 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0;
1656 gnss->dataflags[num] |= (1LL<<cd.typeR);
1657 }
1658
1659 if(wl && cp[count] > -1.0/(1<<8))
1660 {
1661 gnss->measdata[num][cd.typeP] = cp[count]*LIGHTSPEED/1000.0/wl
1662 +(rrmod[numsat]+rrint[numsat])*LIGHTSPEED/1000.0/wl;
1663 if(handle->lastlockmsm[j][i] != ll[count])
1664 {
1665 gnss->dataflags2[num] |= cd.lock;
1666 handle->lastlockmsm[j][i] = ll[count];
1667 }
1668 gnss->dataflags[num] |= (1LL<<cd.typeP);
1669 }
1670
1671 gnss->measdata[num][cd.typeS] = cnr[count];
1672 gnss->dataflags[num] |= (1LL<<cd.typeS);
1673
1674 if(dop[count] > -1.6384)
1675 {
1676 gnss->measdata[num][cd.typeD] = -(dop[count]
1677 +rdop[numsat])/wl;
1678 gnss->dataflags[num] |= (1LL<<cd.typeD);
1679 }
1680 break;
1681 }
1682 }
1683 }
1684 }
1685 }
1686 if(!syncf && !old)
1687 {
1688 handle->Data = *gnss;
1689 memset(gnss, 0, sizeof(*gnss));
1690 }
1691 if(!syncf || old)
1692 {
1693 if(!wasnoamb) /* not RINEX compatible without */
1694 ret = 1;
1695 else
1696 ret = 2;
1697 }
1698#ifdef NO_RTCM3_MAIN
1699 else
1700 ret = type;
1701#endif /* NO_RTCM3_MAIN */
1702 }
1703 break;
1704 }
1705 }
1706 return ret;
1707}
1708
1709struct Header
1710{
1711 const char *version;
1712 const char *pgm;
1713 const char *marker;
1714 const char *markertype;
1715 const char *observer;
1716 const char *receiver;
1717 const char *antenna;
1718 const char *position;
1719 const char *antennaposition;
1720 const char *wavelength;
1721 const char *typesofobs; /* should not be modified outside */
1722 const char *typesofobsG; /* should not be modified outside */
1723 const char *typesofobsR; /* should not be modified outside */
1724 const char *typesofobsS; /* should not be modified outside */
1725 const char *typesofobsE; /* should not be modified outside */
1726 const char *typesofobsC; /* should not be modified outside */
1727 const char *typesofobsJ; /* should not be modified outside */
1728 const char *timeoffirstobs; /* should not be modified outside */
1729};
1730
1731#define MAXHEADERLINES 50
1732#define MAXHEADERBUFFERSIZE 4096
1733struct HeaderData
1734{
1735 union
1736 {
1737 struct Header named;
1738 const char *unnamed[MAXHEADERLINES];
1739 } data;
1740 int numheaders;
1741};
1742
1743void converttime(struct converttimeinfo *c, int week, int tow)
1744{
1745 int i, k, doy, j; /* temporary variables */
1746 j = week*(7*24*60*60) + tow + 5*24*60*60;
1747 for(i = 1980; j >= (k = (365+longyear(i,0))*24*60*60); ++i)
1748 j -= k;
1749 c->year = i;
1750 doy = 1+ (j / (24*60*60));
1751 j %= (24*60*60);
1752 c->hour = j / (60*60);
1753 j %= (60*60);
1754 c->minute = j / 60;
1755 c->second = j % 60;
1756 j = 0;
1757 for(i = 1; j + (k = months[i] + longyear(c->year,i)) < doy; ++i)
1758 j += k;
1759 c->month = i;
1760 c->day = doy - j;
1761}
1762
1763#ifndef NO_RTCM3_MAIN
1764void RTCM3Error(const char *fmt, ...)
1765{
1766 va_list v;
1767 va_start(v, fmt);
1768 vfprintf(stderr, fmt, v);
1769 va_end(v);
1770}
1771#endif
1772
1773void RTCM3Text(const char *fmt, ...)
1774{
1775 va_list v;
1776 va_start(v, fmt);
1777 vprintf(fmt, v);
1778 va_end(v);
1779}
1780
1781static void fixrevision(void)
1782{
1783 if(revisionstr[0] == '$')
1784 {
1785 char *a;
1786 int i=sizeof(RTCM3TORINEX_VERSION); /* set version to 1.<revision> */
1787 strcpy(revisionstr, RTCM3TORINEX_VERSION ".");
1788 for(a = revisionstr+11; *a && *a != ' '; ++a)
1789 revisionstr[i++] = *a;
1790 revisionstr[i] = 0;
1791 }
1792}
1793
1794static int HandleRunBy(char *buffer, int buffersize, const char **u,
1795int rinex3)
1796{
1797 const char *user;
1798 time_t t;
1799 struct tm * t2;
1800
1801#ifdef NO_RTCM3_MAIN
1802 fixrevision();
1803#endif
1804
1805 user= getenv("USER");
1806 if(!user) user = "";
1807 t = time(&t);
1808 t2 = gmtime(&t);
1809 if(u) *u = user;
1810 return 1+snprintf(buffer, buffersize,
1811 rinex3 ?
1812 "RTCM3TORINEX %-7.7s%-20.20s%04d%02d%02d %02d%02d%02d UTC "
1813 "PGM / RUN BY / DATE" :
1814 "RTCM3TORINEX %-7.7s%-20.20s%04d-%02d-%02d %02d:%02d "
1815 "PGM / RUN BY / DATE", revisionstr, user, 1900+t2->tm_year,
1816 t2->tm_mon+1, t2->tm_mday, t2->tm_hour, t2->tm_min, t2->tm_sec);
1817}
1818
1819#ifdef NO_RTCM3_MAIN
1820#define NUMSTARTSKIP 1
1821#else
1822#define NUMSTARTSKIP 3
1823#endif
1824
1825int HandleObsHeader(struct RTCM3ParserData *Parser, char *buffer,
1826size_t buffersize, struct HeaderData *hdata)
1827{
1828 int buffersizeold = buffersize;
1829 int i, modified = 0;
1830
1831 if(Parser->rinex3)
1832 {
1833 int flags;
1834#define CHECKFLAGSNEW(a, b, c) \
1835 if(flags & GNSSDF_##b##DATA) \
1836 { \
1837 int new = hdata ? 1 : 0; \
1838 if(!hdata) /* check if already known */ \
1839 { \
1840 int ic; \
1841 for(ic = 0; ic < Parser->info[RTCM3_MSM_##a].numtypes \
1842 && Parser->info[RTCM3_MSM_##a].flags[ic] != GNSSDF_##b##DATA; ++ic) \
1843 ; \
1844 if(ic == Parser->info[RTCM3_MSM_##a].numtypes) \
1845 new = 1; \
1846 } \
1847 if(new) \
1848 { \
1849 Parser->info[RTCM3_MSM_##a].flags[Parser->info[RTCM3_MSM_##a].numtypes] \
1850 = GNSSDF_##b##DATA; \
1851 Parser->info[RTCM3_MSM_##a].pos[Parser->info[RTCM3_MSM_##a].numtypes] \
1852 = GNSSENTRY_##b##DATA; \
1853 if(Parser->info[RTCM3_MSM_##a].type[GNSSENTRY_##b##DATA]) \
1854 { \
1855 snprintf(Parser->fieldbuffer##a+4*Parser->info[RTCM3_MSM_##a].numtypes, \
1856 sizeof(Parser->fieldbuffer##a)-4*Parser->info[RTCM3_MSM_##a].numtypes, \
1857 " %-2.2s%c", #c, Parser->info[RTCM3_MSM_##a].type[GNSSENTRY_##b##DATA]); \
1858 } \
1859 else \
1860 { \
1861 snprintf(Parser->fieldbuffer##a+4*Parser->info[RTCM3_MSM_##a].numtypes, \
1862 sizeof(Parser->fieldbuffer##a)-4*Parser->info[RTCM3_MSM_##a].numtypes, \
1863 " %-3s", #c); \
1864 } \
1865 ++Parser->info[RTCM3_MSM_##a].numtypes; \
1866 ++modified; \
1867 } \
1868 }
1869
1870#define INITFLAGS(a) \
1871 flags = Parser->startflags; \
1872 modified = 0; \
1873 for(i = 0; i < Parser->Data.numsats; ++i) \
1874 { \
1875 if(Parser->Data.satellites[i] >= PRN_##a##_START \
1876 && Parser->Data.satellites[i] <= PRN_##a##_END) \
1877 flags |= Parser->Data.dataflags[i]; \
1878 }
1879
1880 INITFLAGS(SBAS)
1881 CHECKFLAGSNEW(SBAS, C1, C1C)
1882 CHECKFLAGSNEW(SBAS, L1C, L1C)
1883 CHECKFLAGSNEW(SBAS, D1C, D1C)
1884 CHECKFLAGSNEW(SBAS, S1C, S1C)
1885 CHECKFLAGSNEW(SBAS, C5, C5)
1886 CHECKFLAGSNEW(SBAS, L5, L5)
1887 CHECKFLAGSNEW(SBAS, D5, D5)
1888 CHECKFLAGSNEW(SBAS, S5, S5)
1889
1890 if(modified)
1891 {
1892 if(hdata)
1893 hdata->data.named.typesofobsS = buffer;
1894 i = 1+snprintf(buffer, buffersize,
1895 "S %3d%-52.52s SYS / # / OBS TYPES",
1896 Parser->info[RTCM3_MSM_SBAS].numtypes, Parser->fieldbufferSBAS);
1897 buffer += i; buffersize -= i;
1898 }
1899
1900 INITFLAGS(GPS)
1901 CHECKFLAGSNEW(GPS, C1, C1C)
1902 CHECKFLAGSNEW(GPS, L1C, L1C)
1903 CHECKFLAGSNEW(GPS, D1C, D1C)
1904 CHECKFLAGSNEW(GPS, S1C, S1C)
1905 CHECKFLAGSNEW(GPS, P1, C1W)
1906 CHECKFLAGSNEW(GPS, L1P, L1W)
1907 CHECKFLAGSNEW(GPS, D1P, D1W)
1908 CHECKFLAGSNEW(GPS, S1P, S1W)
1909 CHECKFLAGSNEW(GPS, C5, C5)
1910 CHECKFLAGSNEW(GPS, L5, L5)
1911 CHECKFLAGSNEW(GPS, D5, D5)
1912 CHECKFLAGSNEW(GPS, S5, S5)
1913 CHECKFLAGSNEW(GPS, P2, C2W)
1914 CHECKFLAGSNEW(GPS, L2P, L2W)
1915 CHECKFLAGSNEW(GPS, D2P, D2W)
1916 CHECKFLAGSNEW(GPS, S2P, S2W)
1917 CHECKFLAGSNEW(GPS, C2, C2)
1918 CHECKFLAGSNEW(GPS, L2C, L2)
1919 CHECKFLAGSNEW(GPS, D2C, D2)
1920 CHECKFLAGSNEW(GPS, S2C, S2)
1921 CHECKFLAGSNEW(GPS, C1N, C1)
1922 CHECKFLAGSNEW(GPS, L1N, L1)
1923 CHECKFLAGSNEW(GPS, D1N, D1)
1924 CHECKFLAGSNEW(GPS, S1N, S1)
1925
1926 if(modified)
1927 {
1928 if(hdata)
1929 hdata->data.named.typesofobsG = buffer;
1930 i = 1+snprintf(buffer, buffersize,
1931 "G %3d%-52.52s SYS / # / OBS TYPES",
1932 Parser->info[RTCM3_MSM_GPS].numtypes, Parser->fieldbufferGPS);
1933 if(Parser->info[RTCM3_MSM_GPS].numtypes>13)
1934 {
1935 i += snprintf(buffer+i-1, buffersize,
1936 "\n %-52.52s SYS / # / OBS TYPES", Parser->fieldbufferGPS+13*4);
1937 }
1938 buffer += i; buffersize -= i;
1939 }
1940
1941 INITFLAGS(GLONASS)
1942 CHECKFLAGSNEW(GLONASS, C1, C1C)
1943 CHECKFLAGSNEW(GLONASS, L1C, L1C)
1944 CHECKFLAGSNEW(GLONASS, D1C, D1C)
1945 CHECKFLAGSNEW(GLONASS, S1C, S1C)
1946 CHECKFLAGSNEW(GLONASS, P1, C1P)
1947 CHECKFLAGSNEW(GLONASS, L1P, L1P)
1948 CHECKFLAGSNEW(GLONASS, D1P, D1P)
1949 CHECKFLAGSNEW(GLONASS, S1P, S1P)
1950 CHECKFLAGSNEW(GLONASS, P2, C2P)
1951 CHECKFLAGSNEW(GLONASS, L2P, L2P)
1952 CHECKFLAGSNEW(GLONASS, D2P, D2P)
1953 CHECKFLAGSNEW(GLONASS, S2P, S2P)
1954 CHECKFLAGSNEW(GLONASS, C2, C2C)
1955 CHECKFLAGSNEW(GLONASS, L2C, L2C)
1956 CHECKFLAGSNEW(GLONASS, D2C, D2C)
1957 CHECKFLAGSNEW(GLONASS, S2C, S2C)
1958
1959 if(modified)
1960 {
1961 if(hdata)
1962 hdata->data.named.typesofobsR = buffer;
1963 i = 1+snprintf(buffer, buffersize,
1964 "R %3d%-52.52s SYS / # / OBS TYPES",
1965 Parser->info[RTCM3_MSM_GLONASS].numtypes, Parser->fieldbufferGLONASS);
1966 if(Parser->info[RTCM3_MSM_GLONASS].numtypes>13)
1967 {
1968 i += snprintf(buffer+i-1, buffersize,
1969 "\n %-52.52s SYS / # / OBS TYPES", Parser->fieldbufferGLONASS+13*4);
1970 }
1971 buffer += i; buffersize -= i;
1972 }
1973
1974 INITFLAGS(GALGIO)
1975 CHECKFLAGSNEW(GALILEO, C1, C1)
1976 CHECKFLAGSNEW(GALILEO, L1C, L1)
1977 CHECKFLAGSNEW(GALILEO, D1C, D1)
1978 CHECKFLAGSNEW(GALILEO, S1C, S1)
1979 CHECKFLAGSNEW(GALILEO, C6, C6)
1980 CHECKFLAGSNEW(GALILEO, L6, L6)
1981 CHECKFLAGSNEW(GALILEO, D6, D6)
1982 CHECKFLAGSNEW(GALILEO, S6, S6)
1983 CHECKFLAGSNEW(GALILEO, C5, C5)
1984 CHECKFLAGSNEW(GALILEO, L5, L5)
1985 CHECKFLAGSNEW(GALILEO, D5, D5)
1986 CHECKFLAGSNEW(GALILEO, S5, S5)
1987 CHECKFLAGSNEW(GALILEO, C5B, C7)
1988 CHECKFLAGSNEW(GALILEO, L5B, L7)
1989 CHECKFLAGSNEW(GALILEO, D5B, D7)
1990 CHECKFLAGSNEW(GALILEO, S5B, S7)
1991 CHECKFLAGSNEW(GALILEO, C5AB, C8)
1992 CHECKFLAGSNEW(GALILEO, L5AB, L8)
1993 CHECKFLAGSNEW(GALILEO, D5AB, D8)
1994 CHECKFLAGSNEW(GALILEO, S5AB, S8)
1995
1996 if(modified)
1997 {
1998 if(hdata)
1999 hdata->data.named.typesofobsE = buffer;
2000 i = 1+snprintf(buffer, buffersize,
2001 "E %3d%-52.52s SYS / # / OBS TYPES",
2002 Parser->info[RTCM3_MSM_GALILEO].numtypes, Parser->fieldbufferGALILEO);
2003 if(Parser->info[RTCM3_MSM_GALILEO].numtypes>13)
2004 {
2005 i += snprintf(buffer+i-1, buffersize,
2006 "\n %-52.52s SYS / # / OBS TYPES", Parser->fieldbufferGALILEO+13*4);
2007 }
2008 buffer += i; buffersize -= i;
2009 }
2010
2011 INITFLAGS(COMPASS)
2012 CHECKFLAGSNEW(COMPASS, CB1, C2I)
2013 CHECKFLAGSNEW(COMPASS, LB1, L2I)
2014 CHECKFLAGSNEW(COMPASS, DB1, D2I)
2015 CHECKFLAGSNEW(COMPASS, SB1, S2I)
2016 CHECKFLAGSNEW(COMPASS, CB2, C7I)
2017 CHECKFLAGSNEW(COMPASS, LB2, L7I)
2018 CHECKFLAGSNEW(COMPASS, DB2, D7I)
2019 CHECKFLAGSNEW(COMPASS, SB2, S7I)
2020 CHECKFLAGSNEW(COMPASS, CB3, C6I)
2021 CHECKFLAGSNEW(COMPASS, LB3, L6I)
2022 CHECKFLAGSNEW(COMPASS, DB3, D6I)
2023 CHECKFLAGSNEW(COMPASS, SB3, S6I)
2024
2025 if(modified)
2026 {
2027 if(hdata)
2028 hdata->data.named.typesofobsC = buffer;
2029 i = 1+snprintf(buffer, buffersize,
2030 "C %3d%-52.52s SYS / # / OBS TYPES",
2031 Parser->info[RTCM3_MSM_COMPASS].numtypes, Parser->fieldbufferCOMPASS);
2032 if(Parser->info[RTCM3_MSM_COMPASS].numtypes>13)
2033 {
2034 i += snprintf(buffer+i-1, buffersize,
2035 "\n %-52.52s SYS / # / OBS TYPES", Parser->fieldbufferCOMPASS+13*4);
2036 }
2037 buffer += i; buffersize -= i;
2038 }
2039
2040 INITFLAGS(QZSS)
2041
2042 CHECKFLAGSNEW(QZSS, C1, C1C)
2043 CHECKFLAGSNEW(QZSS, L1C, L1C)
2044 CHECKFLAGSNEW(QZSS, D1C, D1C)
2045 CHECKFLAGSNEW(QZSS, S1C, S1C)
2046
2047 CHECKFLAGSNEW(QZSS, CSAIF, C1Z)
2048 CHECKFLAGSNEW(QZSS, LSAIF, L1Z)
2049 CHECKFLAGSNEW(QZSS, DSAIF, D1Z)
2050 CHECKFLAGSNEW(QZSS, SSAIF, S1Z)
2051
2052 CHECKFLAGSNEW(QZSS, C1N, C1)
2053 CHECKFLAGSNEW(QZSS, L1N, L1)
2054 CHECKFLAGSNEW(QZSS, D1N, D1)
2055 CHECKFLAGSNEW(QZSS, S1N, S1)
2056
2057 CHECKFLAGSNEW(QZSS, C6, C6)
2058 CHECKFLAGSNEW(QZSS, L6, L6)
2059 CHECKFLAGSNEW(QZSS, D6, D6)
2060 CHECKFLAGSNEW(QZSS, S6, S6)
2061
2062 CHECKFLAGSNEW(QZSS, C2, C2)
2063 CHECKFLAGSNEW(QZSS, L2C, L2)
2064 CHECKFLAGSNEW(QZSS, D2C, D2)
2065 CHECKFLAGSNEW(QZSS, S2C, S2)
2066
2067 CHECKFLAGSNEW(QZSS, C5, C5)
2068 CHECKFLAGSNEW(QZSS, L5, L5)
2069 CHECKFLAGSNEW(QZSS, D5, D5)
2070 CHECKFLAGSNEW(QZSS, S5, S5)
2071
2072 if(modified)
2073 {
2074 if(hdata)
2075 hdata->data.named.typesofobsJ = buffer;
2076 i = 1+snprintf(buffer, buffersize,
2077 "J %3d%-52.52s SYS / # / OBS TYPES",
2078 Parser->info[RTCM3_MSM_QZSS].numtypes, Parser->fieldbufferQZSS);
2079 if(Parser->info[RTCM3_MSM_QZSS].numtypes>13)
2080 {
2081 i += snprintf(buffer+i-1, buffersize,
2082 "\n %-52.52s SYS / # / OBS TYPES", Parser->fieldbufferQZSS+13*4);
2083 }
2084 buffer += i; buffersize -= i;
2085 }
2086 }
2087 else
2088 {
2089#define CHECKFLAGS(a, b) \
2090 if(flags & GNSSDF_##a##DATA) \
2091 { \
2092 if(Parser->datafields[RINEXENTRY_##b##DATA]) \
2093 { \
2094 Parser->info[RTCM3_MSM_GPS].flags[Parser->datafields[\
2095 RINEXENTRY_##b##DATA]-1] = GNSSDF_##a##DATA; \
2096 Parser->info[RTCM3_MSM_GPS].pos[Parser->datafields[\
2097 RINEXENTRY_##b##DATA]-1] = GNSSENTRY_##a##DATA; \
2098 } \
2099 else \
2100 { \
2101 Parser->flags[Parser->info[RTCM3_MSM_GPS].numtypes] = GNSSDF_##a##DATA; \
2102 Parser->pos[Parser->info[RTCM3_MSM_GPS].numtypes] = GNSSENTRY_##a##DATA; \
2103 Parser->datafields[RINEXENTRY_##b##DATA] = \
2104 ++Parser->info[RTCM3_MSM_GPS].numtypes; \
2105 snprintf(Parser->fieldbuffer+6*Parser->numdatafields, \
2106 sizeof(Parser->fieldbuffer)-6*Parser->numdatafields, " "#b); \
2107 ++Parser->numdatafields; \
2108 ++modified; \
2109 } \
2110 }
2111
2112 int flags = Parser->startflags;
2113 for(i = 0; i < Parser->Data.numsats; ++i)
2114 flags |= Parser->Data.dataflags[i];
2115
2116 CHECKFLAGS(C1,C1)
2117 CHECKFLAGS(C2,C2)
2118 CHECKFLAGS(P1,P1)
2119 CHECKFLAGS(P2,P2)
2120 CHECKFLAGS(L1C,L1)
2121 CHECKFLAGS(L1P,L1)
2122 CHECKFLAGS(L2C,L2)
2123 CHECKFLAGS(L2P,L2)
2124 CHECKFLAGS(D1C,D1)
2125 CHECKFLAGS(D1P,D1)
2126 CHECKFLAGS(D2C,D2)
2127 CHECKFLAGS(D2P,D2)
2128 CHECKFLAGS(S1C,S1)
2129 CHECKFLAGS(S1P,S1)
2130 CHECKFLAGS(S2C,S2)
2131 CHECKFLAGS(S2P,S2)
2132 CHECKFLAGS(C5,C5)
2133 CHECKFLAGS(L5,L5)
2134 CHECKFLAGS(D5,D5)
2135 CHECKFLAGS(S5,S5)
2136 CHECKFLAGS(C5AB,C8)
2137 CHECKFLAGS(L5AB,L8)
2138 CHECKFLAGS(D5AB,D8)
2139 CHECKFLAGS(S5AB,S8)
2140 CHECKFLAGS(C5B,C7)
2141 CHECKFLAGS(L5B,L7)
2142 CHECKFLAGS(D5B,D7)
2143 CHECKFLAGS(S5B,S7)
2144 CHECKFLAGS(C6,C6)
2145 CHECKFLAGS(L6,L6)
2146 CHECKFLAGS(D6,D6)
2147 CHECKFLAGS(S6,S6)
2148 /* Skip C1N and SAIF for RINEX2! */
2149
2150 if(hdata)
2151 hdata->data.named.typesofobs = buffer;
2152 if(modified)
2153 {
2154 i = 1+snprintf(buffer, buffersize,
2155 "%6d%-54.54s# / TYPES OF OBSERV", Parser->info[RTCM3_MSM_GPS].numtypes,
2156 Parser->fieldbuffer);
2157 if(Parser->info[RTCM3_MSM_GPS].numtypes>9)
2158 {
2159 i += snprintf(buffer+i-1, buffersize,
2160 "\n %-54.54s# / TYPES OF OBSERV", Parser->fieldbuffer+9*6);
2161 }
2162 if(Parser->info[RTCM3_MSM_GPS].numtypes>18)
2163 {
2164 i += snprintf(buffer+i-1, buffersize,
2165 "\n %-54.54s# / TYPES OF OBSERV", Parser->fieldbuffer+18*6);
2166 }
2167 buffer += i; buffersize -= i;
2168 }
2169 }
2170 return buffersizeold - buffersize;
2171}
2172
2173void HandleHeader(struct RTCM3ParserData *Parser)
2174{
2175#ifdef NO_RTCM3_MAIN
2176 int flags, modified = 0;
2177 if(Parser->allflags == 0)
2178 Parser->allflags = ~0;
2179 flags = Parser->allflags;
2180 if(Parser->rinex3)
2181 {
2182 struct HeaderData *hdata = 0;
2183 CHECKFLAGSNEW(GPS, C1, C1C)
2184 CHECKFLAGSNEW(GPS, L1C, L1C)
2185 CHECKFLAGSNEW(GPS, D1C, D1C)
2186 CHECKFLAGSNEW(GPS, S1C, S1C)
2187 CHECKFLAGSNEW(GPS, P1, C1P)
2188 CHECKFLAGSNEW(GPS, L1P, L1P)
2189 CHECKFLAGSNEW(GPS, D1P, D1P)
2190 CHECKFLAGSNEW(GPS, S1P, S1P)
2191 CHECKFLAGSNEW(GPS, P2, C2P)
2192 CHECKFLAGSNEW(GPS, L2P, L2P)
2193 CHECKFLAGSNEW(GPS, D2P, D2P)
2194 CHECKFLAGSNEW(GPS, S2P, S2P)
2195 CHECKFLAGSNEW(GPS, C2, C2X)
2196 CHECKFLAGSNEW(GPS, L2C, L2X)
2197 CHECKFLAGSNEW(GPS, D2C, D2X)
2198 CHECKFLAGSNEW(GPS, S2C, S2X)
2199 CHECKFLAGSNEW(GLONASS, C1, C1C)
2200 CHECKFLAGSNEW(GLONASS, L1C, L1C)
2201 CHECKFLAGSNEW(GLONASS, D1C, D1C)
2202 CHECKFLAGSNEW(GLONASS, S1C, S1C)
2203 CHECKFLAGSNEW(GLONASS, P1, C1P)
2204 CHECKFLAGSNEW(GLONASS, L1P, L1P)
2205 CHECKFLAGSNEW(GLONASS, D1P, D1P)
2206 CHECKFLAGSNEW(GLONASS, S1P, S1P)
2207 CHECKFLAGSNEW(GLONASS, P2, C2P)
2208 CHECKFLAGSNEW(GLONASS, L2P, L2P)
2209 CHECKFLAGSNEW(GLONASS, D2P, D2P)
2210 CHECKFLAGSNEW(GLONASS, S2P, S2P)
2211 CHECKFLAGSNEW(GLONASS, C2, C2C)
2212 CHECKFLAGSNEW(GLONASS, L2C, L2C)
2213 CHECKFLAGSNEW(GLONASS, D2C, D2C)
2214 CHECKFLAGSNEW(GLONASS, S2C, S2C)
2215 }
2216 else
2217 {
2218 CHECKFLAGS(C1,C1)
2219 CHECKFLAGS(C2,C2)
2220 CHECKFLAGS(P1,P1)
2221 CHECKFLAGS(P2,P2)
2222 CHECKFLAGS(L1C,L1)
2223 CHECKFLAGS(L1P,L1)
2224 CHECKFLAGS(L2C,L2)
2225 CHECKFLAGS(L2P,L2)
2226 CHECKFLAGS(D1C,D1)
2227 CHECKFLAGS(D1P,D1)
2228 CHECKFLAGS(D2C,D2)
2229 CHECKFLAGS(D2P,D2)
2230 CHECKFLAGS(S1C,S1)
2231 CHECKFLAGS(S1P,S1)
2232 CHECKFLAGS(S2C,S2)
2233 CHECKFLAGS(S2P,S2)
2234 CHECKFLAGS(C5,C5)
2235 CHECKFLAGS(L5,L5)
2236 CHECKFLAGS(D5,D5)
2237 CHECKFLAGS(S5,S5)
2238 CHECKFLAGS(C5AB,C8)
2239 CHECKFLAGS(L5AB,L8)
2240 CHECKFLAGS(D5AB,D8)
2241 CHECKFLAGS(S5AB,S8)
2242 CHECKFLAGS(C5B,C7)
2243 CHECKFLAGS(L5B,L7)
2244 CHECKFLAGS(D5B,D7)
2245 CHECKFLAGS(S5B,S7)
2246 CHECKFLAGS(C6,C6)
2247 CHECKFLAGS(L6,L6)
2248 CHECKFLAGS(D6,D6)
2249 CHECKFLAGS(S6,S6)
2250 }
2251#else /* NO_RTCM3_MAIN */
2252 struct HeaderData hdata;
2253 char thebuffer[MAXHEADERBUFFERSIZE];
2254 char *buffer = thebuffer;
2255 size_t buffersize = sizeof(thebuffer);
2256 int i;
2257
2258 memset(&hdata, 0, sizeof(hdata));
2259
2260 hdata.data.named.version = buffer;
2261 i = 1+snprintf(buffer, buffersize,
2262 "%9.2f OBSERVATION DATA M (Mixed)"
2263 " RINEX VERSION / TYPE", Parser->rinex3 ? 3.0 : 2.11);
2264 buffer += i; buffersize -= i;
2265
2266 {
2267 const char *str;
2268 hdata.data.named.pgm = buffer;
2269 i = HandleRunBy(buffer, buffersize, &str, Parser->rinex3);
2270 buffer += i; buffersize -= i;
2271 hdata.data.named.observer = buffer;
2272 i = 1+snprintf(buffer, buffersize,
2273 "%-20.20s "
2274 "OBSERVER / AGENCY", str);
2275 buffer += i; buffersize -= i;
2276 }
2277
2278 hdata.data.named.marker =
2279 "RTCM3TORINEX "
2280 "MARKER NAME";
2281
2282 hdata.data.named.markertype = !Parser->rinex3 ? 0 :
2283 "GEODETIC "
2284 "MARKER TYPE";
2285
2286 hdata.data.named.receiver =
2287 " "
2288 "REC # / TYPE / VERS";
2289
2290 hdata.data.named.antenna =
2291 " "
2292 "ANT # / TYPE";
2293
2294 hdata.data.named.position =
2295 " .0000 .0000 .0000 "
2296 "APPROX POSITION XYZ";
2297
2298 hdata.data.named.antennaposition =
2299 " .0000 .0000 .0000 "
2300 "ANTENNA: DELTA H/E/N";
2301
2302 hdata.data.named.wavelength = Parser->rinex3 ? 0 :
2303 " 1 1 "
2304 "WAVELENGTH FACT L1/2";
2305
2306 hdata.numheaders = 18;
2307
2308 i = HandleObsHeader(Parser, buffer, buffersize, &hdata);
2309 buffer += i; buffersize -= i;
2310
2311 {
2312 struct converttimeinfo cti;
2313 converttime(&cti, Parser->Data.week,
2314 (int)floor(Parser->Data.timeofweek/1000.0));
2315 hdata.data.named.timeoffirstobs = buffer;
2316 i = 1+snprintf(buffer, buffersize,
2317 " %4d %2d %2d %2d %2d %10.7f GPS "
2318 "TIME OF FIRST OBS", cti.year, cti.month, cti.day, cti.hour,
2319 cti.minute, cti.second + fmod(Parser->Data.timeofweek/1000.0,1.0));
2320
2321 buffer += i; buffersize -= i;
2322 }
2323
2324 if(Parser->headerfile)
2325 {
2326 FILE *fh;
2327 if((fh = fopen(Parser->headerfile, "r")))
2328 {
2329 size_t siz;
2330 char *lastblockstart;
2331 if((siz = fread(buffer, 1, buffersize-1, fh)) > 0)
2332 {
2333 buffer[siz] = '\n';
2334 if(siz == buffersize)
2335 {
2336 RTCM3Error("Header file is too large. Only %d bytes read.",
2337 (int)siz);
2338 }
2339 /* scan the file line by line and enter the entries in the list */
2340 /* warn for "# / TYPES OF OBSERV" and "TIME OF FIRST OBS" */
2341 /* overwrites entries, except for comments */
2342 lastblockstart = buffer;
2343 for(i = 0; i < (int)siz; ++i)
2344 {
2345 if(buffer[i] == '\n')
2346 { /* we found a line */
2347 char *end;
2348 while(buffer[i+1] == '\r')
2349 ++i; /* skip \r in case there are any */
2350 end = buffer+i;
2351 while(*end == '\t' || *end == ' ' || *end == '\r' || *end == '\n')
2352 *(end--) = 0;
2353 if(end-lastblockstart < 60+5) /* short line */
2354 RTCM3Error("Short Header line '%s' ignored.\n", lastblockstart);
2355 else
2356 {
2357 int pos;
2358 if(!strcmp("COMMENT", lastblockstart+60))
2359 pos = hdata.numheaders;
2360 else
2361 {
2362 for(pos = 0; pos < hdata.numheaders; ++pos)
2363 {
2364 if(!strcmp(hdata.data.unnamed[pos]+60, lastblockstart+60))
2365 break;
2366 }
2367 if(!strcmp("# / TYPES OF OBSERV", lastblockstart+60)
2368 || !strcmp("TIME OF FIRST OBS", lastblockstart+60))
2369 {
2370 RTCM3Error("Overwriting header '%s' is dangerous.\n",
2371 lastblockstart+60);
2372 }
2373 }
2374 if(pos >= MAXHEADERLINES)
2375 {
2376 RTCM3Error("Maximum number of header lines of %d reached.\n",
2377 MAXHEADERLINES);
2378 }
2379 else if(!strcmp("END OF HEADER", lastblockstart+60))
2380 {
2381 RTCM3Error("End of header ignored.\n");
2382 }
2383 else
2384 {
2385 hdata.data.unnamed[pos] = lastblockstart;
2386 if(pos == hdata.numheaders)
2387 ++hdata.numheaders;
2388 }
2389 }
2390 lastblockstart = buffer+i+1;
2391 }
2392 }
2393 }
2394 else
2395 {
2396 RTCM3Error("Could not read data from headerfile '%s'.\n",
2397 Parser->headerfile);
2398 }
2399 fclose(fh);
2400 }
2401 else
2402 {
2403 RTCM3Error("Could not open header datafile '%s'.\n",
2404 Parser->headerfile);
2405 }
2406 }
2407
2408 for(i = 0; i < hdata.numheaders; ++i)
2409 {
2410 if(hdata.data.unnamed[i] && hdata.data.unnamed[i][0])
2411 RTCM3Text("%s\n", hdata.data.unnamed[i]);
2412 }
2413 RTCM3Text(" "
2414 "END OF HEADER\n");
2415#endif
2416}
2417
2418static void ConvLine(FILE *file, const char *fmt, ...)
2419{
2420 char buffer[100], *b;
2421 va_list v;
2422 va_start(v, fmt);
2423 vsnprintf(buffer, sizeof(buffer), fmt, v);
2424 for(b = buffer; *b; ++b)
2425 {
2426 if(*b == 'e') *b = 'D';
2427 }
2428 fprintf(file, "%s", buffer);
2429 va_end(v);
2430}
2431
2432void HandleByte(struct RTCM3ParserData *Parser, unsigned int byte)
2433{
2434 Parser->Message[Parser->MessageSize++] = byte;
2435 if(Parser->MessageSize >= Parser->NeedBytes)
2436 {
2437 int r;
2438 while((r = RTCM3Parser(Parser)))
2439 {
2440 if(r == 1020 || r == 1019)
2441 {
2442 FILE *file = 0;
2443
2444 if(Parser->rinex3 && !(file = Parser->gpsfile))
2445 {
2446 const char *n = Parser->gpsephemeris ? Parser->gpsephemeris : Parser->glonassephemeris;
2447 if(n)
2448 {
2449 if(!(Parser->gpsfile = fopen(n, "w")))
2450 {
2451 RTCM3Error("Could not open ephemeris output file.\n");
2452 }
2453 else
2454 {
2455 char buffer[100];
2456 fprintf(Parser->gpsfile,
2457 "%9.2f%11sN: GNSS NAV DATA M: Mixed%12sRINEX VERSION / TYPE\n", 3.0, "", "");
2458 HandleRunBy(buffer, sizeof(buffer), 0, Parser->rinex3);
2459 fprintf(Parser->gpsfile, "%s\n%60sEND OF HEADER\n", buffer, "");
2460 }
2461 Parser->gpsephemeris = 0;
2462 Parser->glonassephemeris = 0;
2463 file = Parser->gpsfile;
2464 }
2465 }
2466 else
2467 {
2468 if(r == 1020)
2469 {
2470 if(Parser->glonassephemeris)
2471 {
2472 if(!(Parser->glonassfile = fopen(Parser->glonassephemeris, "w")))
2473 {
2474 RTCM3Error("Could not open GLONASS ephemeris output file.\n");
2475 }
2476 else
2477 {
2478 char buffer[100];
2479 fprintf(Parser->glonassfile,
2480 "%9.2f%11sG: GLONASS NAV DATA%21sRINEX VERSION / TYPE\n", 2.1, "", "");
2481 HandleRunBy(buffer, sizeof(buffer), 0, Parser->rinex3);
2482 fprintf(Parser->glonassfile, "%s\n%60sEND OF HEADER\n", buffer, "");
2483 }
2484 Parser->glonassephemeris = 0;
2485 }
2486 file = Parser->glonassfile;
2487 }
2488 else if(r == 1019)
2489 {
2490 if(Parser->gpsephemeris)
2491 {
2492 if(!(Parser->gpsfile = fopen(Parser->gpsephemeris, "w")))
2493 {
2494 RTCM3Error("Could not open GPS ephemeris output file.\n");
2495 }
2496 else
2497 {
2498 char buffer[100];
2499 fprintf(Parser->gpsfile,
2500 "%9.2f%11sN: GPS NAV DATA%25sRINEX VERSION / TYPE\n", 2.1, "", "");
2501 HandleRunBy(buffer, sizeof(buffer), 0, Parser->rinex3);
2502 fprintf(Parser->gpsfile, "%s\n%60sEND OF HEADER\n", buffer, "");
2503 }
2504 Parser->gpsephemeris = 0;
2505 }
2506 file = Parser->gpsfile;
2507 }
2508 }
2509 if(file)
2510 {
2511 if(r == 1020)
2512 {
2513 struct glonassephemeris *e = &Parser->ephemerisGLONASS;
2514 int w = e->GPSWeek, tow = e->GPSTOW, i;
2515 struct converttimeinfo cti;
2516
2517 updatetime(&w, &tow, e->tb*1000, 1); /* Moscow - > UTC */
2518 converttime(&cti, w, tow);
2519
2520 i = e->tk-3*60*60; if(i < 0) i += 86400;
2521
2522 if(Parser->rinex3)
2523 ConvLine(file, "R%02d %04d %02d %02d %02d %02d %02d%19.12e%19.12e%19.12e\n",
2524 e->almanac_number, cti.year, cti.month, cti.day, cti.hour, cti.minute,
2525 cti.second, -e->tau, e->gamma, (double) i);
2526 else
2527 ConvLine(file, "%02d %02d %02d %02d %02d %02d%5.1f%19.12e%19.12e%19.12e\n",
2528 e->almanac_number, cti.year%100, cti.month, cti.day, cti.hour, cti.minute,
2529 (double) cti.second, -e->tau, e->gamma, (double) i);
2530 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", e->x_pos,
2531 e->x_velocity, e->x_acceleration, (e->flags & GLOEPHF_UNHEALTHY) ? 1.0 : 0.0);
2532 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", e->y_pos,
2533 e->y_velocity, e->y_acceleration, (double) e->frequency_number);
2534 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", e->z_pos,
2535 e->z_velocity, e->z_acceleration, (double) e->E);
2536 }
2537 else /* if(r == 1019) */
2538 {
2539 struct gpsephemeris *e = &Parser->ephemerisGPS;
2540 double d; /* temporary variable */
2541 unsigned long int i; /* temporary variable */
2542 struct converttimeinfo cti;
2543 converttime(&cti, e->GPSweek, e->TOC);
2544
2545 if(Parser->rinex3)
2546 ConvLine(file, "G%02d %04d %02d %02d %02d %02d %02d%19.12e%19.12e%19.12e\n",
2547 e->satellite, cti.year, cti.month, cti.day, cti.hour,
2548 cti.minute, cti.second, e->clock_bias, e->clock_drift,
2549 e->clock_driftrate);
2550 else
2551 ConvLine(file, "%02d %02d %02d %02d %02d %02d%05.1f%19.12e%19.12e%19.12e\n",
2552 e->satellite, cti.year%100, cti.month, cti.day, cti.hour,
2553 cti.minute, (double) cti.second, e->clock_bias, e->clock_drift,
2554 e->clock_driftrate);
2555 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", (double)e->IODE,
2556 e->Crs, e->Delta_n, e->M0);
2557 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", e->Cuc,
2558 e->e, e->Cus, e->sqrt_A);
2559 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n",
2560 (double) e->TOE, e->Cic, e->OMEGA0, e->Cis);
2561 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", e->i0,
2562 e->Crc, e->omega, e->OMEGADOT);
2563 d = 0;
2564 i = e->flags;
2565 if(i & GPSEPHF_L2CACODE)
2566 d += 2.0;
2567 if(i & GPSEPHF_L2PCODE)
2568 d += 1.0;
2569 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", e->IDOT, d,
2570 (double) e->GPSweek, i & GPSEPHF_L2PCODEDATA ? 1.0 : 0.0);
2571 if(e->URAindex <= 6) /* URA index */
2572 d = ceil(10.0*pow(2.0, 1.0+((double)e->URAindex)/2.0))/10.0;
2573 else
2574 d = ceil(10.0*pow(2.0, ((double)e->URAindex)/2.0))/10.0;
2575 /* 15 indicates not to use satellite. We can't handle this special
2576 case, so we create a high "non"-accuracy value. */
2577 ConvLine(file, " %19.12e%19.12e%19.12e%19.12e\n", d,
2578 ((double) e->SVhealth), e->TGD, ((double) e->IODC));
2579
2580 ConvLine(file, " %19.12e%19.12e\n", ((double)e->TOW),
2581 i & GPSEPHF_6HOURSFIT ? 6.0 : 4.0);
2582 /* TOW */
2583 }
2584 }
2585 }
2586 else if (r == 1 || r == 2)
2587 {
2588 int i, j, o, nh=0;
2589 char newheader[512];
2590 struct converttimeinfo cti;
2591
2592 /* skip first epochs to detect correct data types */
2593 if(Parser->init < (Parser->changeobs ? 1 : NUMSTARTSKIP))
2594 {
2595 ++Parser->init;
2596
2597 if(Parser->init == (Parser->changeobs ? 1 : NUMSTARTSKIP))
2598 HandleHeader(Parser);
2599 else
2600 {
2601 for(i = 0; i < Parser->Data.numsats; ++i)
2602 Parser->startflags |= Parser->Data.dataflags[i];
2603 continue;
2604 }
2605 }
2606 if(r == 2 && !Parser->validwarning)
2607 {
2608 RTCM3Text("No valid RINEX! All values are modulo 299792.458!"
2609 " COMMENT\n");
2610 Parser->validwarning = 1;
2611 }
2612
2613 converttime(&cti, Parser->Data.week,
2614 (int)floor(Parser->Data.timeofweek/1000.0));
2615 newheader[0] = 0;
2616 if(Parser->changeobs)
2617 {
2618 nh = HandleObsHeader(Parser, newheader, sizeof(newheader), 0);
2619 }
2620 if(Parser->rinex3)
2621 {
2622 RTCM3Text("> %04d %02d %02d %02d %02d%11.7f %d%3d\n",
2623 cti.year, cti.month, cti.day, cti.hour, cti.minute, cti.second
2624 + fmod(Parser->Data.timeofweek/1000.0,1.0), nh ? 4 : 0,
2625 Parser->Data.numsats);
2626 if(nh)
2627 {
2628 RTCM3Text("%s\n "
2629 " END OF HEADER\n", newheader);
2630 }
2631 for(i = 0; i < Parser->Data.numsats; ++i)
2632 {
2633 int sys[RTCM3_MSM_NUMSYS] = {0,0,0,0,0,0};
2634 if(Parser->Data.satellites[i] <= PRN_GPS_END)
2635 {
2636 RTCM3Text("G%02d", Parser->Data.satellites[i]);
2637 sys[RTCM3_MSM_GPS] = 1;
2638 }
2639 else if(Parser->Data.satellites[i] >= PRN_GLONASS_START
2640 && Parser->Data.satellites[i] <= PRN_GLONASS_END)
2641 {
2642 RTCM3Text("R%02d", Parser->Data.satellites[i] - (PRN_GLONASS_START-1));
2643 sys[RTCM3_MSM_GLONASS] = 1;
2644 }
2645 else if(Parser->Data.satellites[i] >= PRN_GALILEO_START
2646 && Parser->Data.satellites[i] <= PRN_GALILEO_END)
2647 {
2648 RTCM3Text("E%02d", Parser->Data.satellites[i] - (PRN_GALILEO_START-1));
2649 sys[RTCM3_MSM_GALILEO] = 1;
2650 }
2651 else if(Parser->Data.satellites[i] >= PRN_GIOVE_START
2652 && Parser->Data.satellites[i] <= PRN_GIOVE_END)
2653 {
2654 RTCM3Text("E%02d", Parser->Data.satellites[i] - (PRN_GIOVE_START-PRN_GIOVE_OFFSET));
2655 sys[RTCM3_MSM_GALILEO] = 1;
2656 }
2657 else if(Parser->Data.satellites[i] >= PRN_QZSS_START
2658 && Parser->Data.satellites[i] <= PRN_QZSS_END)
2659 {
2660 RTCM3Text("J%02d", Parser->Data.satellites[i] - (PRN_QZSS_START-1));
2661 sys[RTCM3_MSM_QZSS] = 1;
2662 }
2663 else if(Parser->Data.satellites[i] >= PRN_COMPASS_START
2664 && Parser->Data.satellites[i] <= PRN_COMPASS_END)
2665 {
2666 RTCM3Text("C%02d", Parser->Data.satellites[i] - (PRN_COMPASS_START-1));
2667 sys[RTCM3_MSM_COMPASS] = 1;
2668 }
2669 else if(Parser->Data.satellites[i] >= PRN_SBAS_START
2670 && Parser->Data.satellites[i] <= PRN_SBAS_END)
2671 {
2672 RTCM3Text("S%02d", Parser->Data.satellites[i] - PRN_SBAS_START+20);
2673 sys[RTCM3_MSM_SBAS] = 1;
2674 }
2675 else
2676 {
2677 RTCM3Text("%3d", Parser->Data.satellites[i]);
2678 }
2679
2680 if(sys[RTCM3_MSM_GLONASS])
2681 {
2682 for(j = 0; j < Parser->info[RTCM3_MSM_GLONASS].numtypes; ++j)
2683 {
2684 long long df = Parser->info[RTCM3_MSM_GLONASS].flags[j];
2685 int pos = Parser->info[RTCM3_MSM_GLONASS].pos[j];
2686 if((Parser->Data.dataflags[i] & df)
2687 && !isnan(Parser->Data.measdata[i][pos])
2688 && !isinf(Parser->Data.measdata[i][pos])
2689 && (Parser->Data.codetype[i][pos]
2690 && Parser->info[RTCM3_MSM_GLONASS].type[pos]
2691 && Parser->info[RTCM3_MSM_GLONASS].type[pos]
2692 == Parser->Data.codetype[i][pos][1]))
2693 {
2694 char lli = ' ';
2695 char snr = ' ';
2696 if(df & (GNSSDF_L1CDATA|GNSSDF_L1PDATA))
2697 {
2698 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL1)
2699 lli = '1';
2700 snr = '0'+Parser->Data.snrL1[i];
2701 }
2702 if(df & (GNSSDF_L2CDATA|GNSSDF_L2PDATA))
2703 {
2704 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL2)
2705 lli = '1';
2706 snr = '0'+Parser->Data.snrL2[i];
2707 }
2708 RTCM3Text("%14.3f%c%c",
2709 Parser->Data.measdata[i][pos],lli,snr);
2710 }
2711 else
2712 { /* no or illegal data */
2713 RTCM3Text(" ");
2714 }
2715 }
2716 }
2717 else if(sys[RTCM3_MSM_GALILEO])
2718 {
2719 for(j = 0; j < Parser->info[RTCM3_MSM_GALILEO].numtypes; ++j)
2720 {
2721 long long df = Parser->info[RTCM3_MSM_GALILEO].flags[j];
2722 int pos = Parser->info[RTCM3_MSM_GALILEO].pos[j];
2723 if((Parser->Data.dataflags[i] & df)
2724 && !isnan(Parser->Data.measdata[i][pos])
2725 && !isinf(Parser->Data.measdata[i][pos])
2726 && (Parser->Data.codetype[i][pos]
2727 && Parser->info[RTCM3_MSM_GALILEO].type[pos]
2728 && Parser->info[RTCM3_MSM_GALILEO].type[pos]
2729 == Parser->Data.codetype[i][pos][1]))
2730 {
2731 char lli = ' ';
2732 char snr = ' ';
2733 if(df & (GNSSDF_L1CDATA|GNSSDF_L1PDATA))
2734 {
2735 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL1)
2736 lli = '1';
2737 snr = '0'+Parser->Data.snrL1[i];
2738 }
2739 if(df & GNSSDF_L6DATA)
2740 {
2741 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSE6)
2742 lli = '1';
2743 snr = ' ';
2744 }
2745 if(df & GNSSDF_L5DATA)
2746 {
2747 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL5)
2748 lli = '1';
2749 snr = ' ';
2750 }
2751 if(df & GNSSDF_L5BDATA)
2752 {
2753 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSE5B)
2754 lli = '1';
2755 snr = ' ';
2756 }
2757 if(df & GNSSDF_L5ABDATA)
2758 {
2759 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSE5AB)
2760 lli = '1';
2761 snr = ' ';
2762 }
2763 RTCM3Text("%14.3f%c%c",
2764 Parser->Data.measdata[i][pos],lli,snr);
2765 }
2766 else
2767 { /* no or illegal data */
2768 RTCM3Text(" ");
2769 }
2770 }
2771 }
2772 else if(sys[RTCM3_MSM_COMPASS])
2773 {
2774 for(j = 0; j < Parser->info[RTCM3_MSM_COMPASS].numtypes; ++j)
2775 {
2776 long long df = Parser->info[RTCM3_MSM_COMPASS].flags[j];
2777 int pos = Parser->info[RTCM3_MSM_COMPASS].pos[j];
2778 if((Parser->Data.dataflags[i] & df)
2779 && !isnan(Parser->Data.measdata[i][pos])
2780 && !isinf(Parser->Data.measdata[i][pos])
2781 && (Parser->Data.codetype[i][pos]
2782 && Parser->info[RTCM3_MSM_COMPASS].type[pos]
2783 && Parser->info[RTCM3_MSM_COMPASS].type[pos]
2784 == Parser->Data.codetype[i][pos][1]))
2785 {
2786 char lli = ' ';
2787 char snr = ' ';
2788 if(df & GNSSDF_LB1DATA)
2789 {
2790 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSB1)
2791 lli = '1';
2792 }
2793 if(df & GNSSDF_LB2DATA)
2794 {
2795 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSB2)
2796 lli = '1';
2797 }
2798 if(df & GNSSDF_LB3DATA)
2799 {
2800 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSB3)
2801 lli = '1';
2802 }
2803 RTCM3Text("%14.3f%c%c",
2804 Parser->Data.measdata[i][pos],lli,snr);
2805 }
2806 else
2807 { /* no or illegal data */
2808 RTCM3Text(" ");
2809 }
2810 }
2811 }
2812 else if(sys[RTCM3_MSM_QZSS])
2813 {
2814 for(j = 0; j < Parser->info[RTCM3_MSM_QZSS].numtypes; ++j)
2815 {
2816 long long df = Parser->info[RTCM3_MSM_QZSS].flags[j];
2817 int pos = Parser->info[RTCM3_MSM_QZSS].pos[j];
2818 if((Parser->Data.dataflags[i] & df)
2819 && !isnan(Parser->Data.measdata[i][pos])
2820 && !isinf(Parser->Data.measdata[i][pos])
2821 && (Parser->Data.codetype[i][pos]
2822 && Parser->info[RTCM3_MSM_QZSS].type[pos]
2823 && Parser->info[RTCM3_MSM_QZSS].type[pos]
2824 == Parser->Data.codetype[i][pos][1]))
2825 {
2826 char lli = ' ';
2827 char snr = ' ';
2828 if(df & GNSSDF_L1CDATA)
2829 {
2830 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL1)
2831 lli = '1';
2832 snr = '0'+Parser->Data.snrL1[i];
2833 }
2834 if(df & (GNSSDF_L2CDATA|GNSSDF_L2PDATA))
2835 {
2836 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL2)
2837 lli = '1';
2838 snr = '0'+Parser->Data.snrL2[i];
2839 }
2840 if(df & GNSSDF_L5DATA)
2841 {
2842 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL5)
2843 lli = '1';
2844 snr = ' ';
2845 }
2846 RTCM3Text("%14.3f%c%c",
2847 Parser->Data.measdata[i][pos],lli,snr);
2848 }
2849 else
2850 { /* no or illegal data */
2851 RTCM3Text(" ");
2852 }
2853 }
2854 }
2855 else if(sys[RTCM3_MSM_SBAS])
2856 {
2857 for(j = 0; j < Parser->info[RTCM3_MSM_SBAS].numtypes; ++j)
2858 {
2859 long long df = Parser->info[RTCM3_MSM_SBAS].flags[j];
2860 int pos = Parser->info[RTCM3_MSM_SBAS].pos[j];
2861 if((Parser->Data.dataflags[i] & df)
2862 && !isnan(Parser->Data.measdata[i][pos])
2863 && !isinf(Parser->Data.measdata[i][pos])
2864 && (Parser->Data.codetype[i][pos]
2865 && Parser->info[RTCM3_MSM_SBAS].type[pos]
2866 && Parser->info[RTCM3_MSM_SBAS].type[pos]
2867 == Parser->Data.codetype[i][pos][1]))
2868 {
2869 char lli = ' ';
2870 char snr = ' ';
2871 if(df & (GNSSDF_L1CDATA|GNSSDF_L1PDATA))
2872 {
2873 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL1)
2874 lli = '1';
2875 snr = '0'+Parser->Data.snrL1[i];
2876 }
2877 if(df & GNSSDF_L5DATA)
2878 {
2879 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL5)
2880 lli = '1';
2881 snr = ' ';
2882 }
2883 RTCM3Text("%14.3f%c%c",
2884 Parser->Data.measdata[i][pos],lli,snr);
2885 }
2886 else
2887 { /* no or illegal data */
2888 RTCM3Text(" ");
2889 }
2890 }
2891 }
2892 else
2893 {
2894 for(j = 0; j < Parser->info[RTCM3_MSM_GPS].numtypes; ++j)
2895 {
2896 long long df = Parser->info[RTCM3_MSM_GPS].flags[j];
2897 int pos = Parser->info[RTCM3_MSM_GPS].pos[j];
2898 if((Parser->Data.dataflags[i] & df)
2899 && !isnan(Parser->Data.measdata[i][pos])
2900 && !isinf(Parser->Data.measdata[i][pos])
2901 && (Parser->Data.codetype[i][pos]
2902 && Parser->info[RTCM3_MSM_GPS].type[pos]
2903 && Parser->info[RTCM3_MSM_GPS].type[pos]
2904 == Parser->Data.codetype[i][pos][1]))
2905 {
2906 char lli = ' ';
2907 char snr = ' ';
2908 if(df & (GNSSDF_L1CDATA|GNSSDF_L1PDATA))
2909 {
2910 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL1)
2911 lli = '1';
2912 snr = '0'+Parser->Data.snrL1[i];
2913 }
2914 if(df & (GNSSDF_L2CDATA|GNSSDF_L2PDATA))
2915 {
2916 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL2)
2917 lli = '1';
2918 snr = '0'+Parser->Data.snrL2[i];
2919 }
2920 if(df & GNSSDF_L5DATA)
2921 {
2922 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL5)
2923 lli = '1';
2924 snr = ' ';
2925 }
2926 RTCM3Text("%14.3f%c%c",
2927 Parser->Data.measdata[i][pos],lli,snr);
2928 }
2929 else
2930 { /* no or illegal data */
2931 RTCM3Text(" ");
2932 }
2933 }
2934 }
2935 RTCM3Text("\n");
2936 }
2937 }
2938 else
2939 {
2940 RTCM3Text(" %02d %2d %2d %2d %2d %10.7f %d%3d",
2941 cti.year%100, cti.month, cti.day, cti.hour, cti.minute, cti.second
2942 + fmod(Parser->Data.timeofweek/1000.0,1.0), nh ? 4 : 0,
2943 Parser->Data.numsats);
2944 for(i = 0; i < 12 && i < Parser->Data.numsats; ++i)
2945 {
2946 if(Parser->Data.satellites[i] <= PRN_GPS_END)
2947 RTCM3Text("G%02d", Parser->Data.satellites[i]);
2948 else if(Parser->Data.satellites[i] >= PRN_GLONASS_START
2949 && Parser->Data.satellites[i] <= PRN_GLONASS_END)
2950 RTCM3Text("R%02d", Parser->Data.satellites[i]
2951 - (PRN_GLONASS_START-1));
2952 else if(Parser->Data.satellites[i] >= PRN_SBAS_START
2953 && Parser->Data.satellites[i] <= PRN_SBAS_END)
2954 RTCM3Text("S%02d", Parser->Data.satellites[i]
2955 - PRN_SBAS_START+20);
2956 else if(Parser->Data.satellites[i] >= PRN_GALILEO_START
2957 && Parser->Data.satellites[i] <= PRN_GALILEO_END)
2958 RTCM3Text("E%02d", Parser->Data.satellites[i]
2959 - (PRN_GALILEO_START-1));
2960 else if(Parser->Data.satellites[i] >= PRN_GIOVE_START
2961 && Parser->Data.satellites[i] <= PRN_GIOVE_END)
2962 RTCM3Text("E%02d", Parser->Data.satellites[i]
2963 - (PRN_GIOVE_START-PRN_GIOVE_OFFSET));
2964 else if(Parser->Data.satellites[i] >= PRN_QZSS_START
2965 && Parser->Data.satellites[i] <= PRN_QZSS_END)
2966 RTCM3Text("J%02d", Parser->Data.satellites[i]
2967 - (PRN_QZSS_START-1));
2968 else if(Parser->Data.satellites[i] >= PRN_COMPASS_START
2969 && Parser->Data.satellites[i] <= PRN_COMPASS_END)
2970 RTCM3Text("C%02d", Parser->Data.satellites[i]
2971 - (PRN_COMPASS_START-1));
2972 else
2973 RTCM3Text("%3d", Parser->Data.satellites[i]);
2974 }
2975 RTCM3Text("\n");
2976 o = 12;
2977 j = Parser->Data.numsats - 12;
2978 while(j > 0)
2979 {
2980 RTCM3Text(" ");
2981 for(i = o; i < o+12 && i < Parser->Data.numsats; ++i)
2982 {
2983 if(Parser->Data.satellites[i] <= PRN_GPS_END)
2984 RTCM3Text("G%02d", Parser->Data.satellites[i]);
2985 else if(Parser->Data.satellites[i] >= PRN_GLONASS_START
2986 && Parser->Data.satellites[i] <= PRN_GLONASS_END)
2987 RTCM3Text("R%02d", Parser->Data.satellites[i]
2988 - (PRN_GLONASS_START-1));
2989 else if(Parser->Data.satellites[i] >= PRN_SBAS_START
2990 && Parser->Data.satellites[i] <= PRN_SBAS_END)
2991 RTCM3Text("S%02d", Parser->Data.satellites[i]
2992 - PRN_SBAS_START+20);
2993 else if(Parser->Data.satellites[i] >= PRN_GALILEO_START
2994 && Parser->Data.satellites[i] <= PRN_GALILEO_END)
2995 RTCM3Text("E%02d", Parser->Data.satellites[i]
2996 - (PRN_GALILEO_START-1));
2997 else if(Parser->Data.satellites[i] >= PRN_GIOVE_START
2998 && Parser->Data.satellites[i] <= PRN_GIOVE_END)
2999 RTCM3Text("E%02d", Parser->Data.satellites[i]
3000 - (PRN_GIOVE_START-PRN_GIOVE_OFFSET));
3001 else if(Parser->Data.satellites[i] >= PRN_QZSS_START
3002 && Parser->Data.satellites[i] <= PRN_QZSS_END)
3003 RTCM3Text("J%02d", Parser->Data.satellites[i]
3004 - (PRN_QZSS_START-1));
3005 else if(Parser->Data.satellites[i] >= PRN_COMPASS_START
3006 && Parser->Data.satellites[i] <= PRN_COMPASS_END)
3007 RTCM3Text("C%02d", Parser->Data.satellites[i]
3008 - (PRN_COMPASS_START-1));
3009 else
3010 RTCM3Text("%3d", Parser->Data.satellites[i]);
3011 }
3012 RTCM3Text("\n");
3013 j -= 12;
3014 o += 12;
3015 }
3016 if(nh)
3017 {
3018 RTCM3Text("%s\n "
3019 " END OF HEADER\n", newheader);
3020 }
3021 for(i = 0; i < Parser->Data.numsats; ++i)
3022 {
3023 for(j = 0; j < Parser->info[RTCM3_MSM_GPS].numtypes; ++j)
3024 {
3025 int v = 0;
3026 long long df = Parser->flags[j];
3027 int pos = Parser->pos[j];
3028 if((Parser->Data.dataflags[i] & df)
3029 && !isnan(Parser->Data.measdata[i][pos])
3030 && !isinf(Parser->Data.measdata[i][pos]))
3031 {
3032 v = 1;
3033 }
3034 else
3035 {
3036 df = Parser->info[RTCM3_MSM_GPS].flags[j];
3037 pos = Parser->info[RTCM3_MSM_GPS].pos[j];
3038
3039 if((Parser->Data.dataflags[i] & df)
3040 && !isnan(Parser->Data.measdata[i][pos])
3041 && !isinf(Parser->Data.measdata[i][pos]))
3042 {
3043 v = 1;
3044 }
3045 }
3046
3047 if(!v)
3048 { /* no or illegal data */
3049 RTCM3Text(" ");
3050 }
3051 else
3052 {
3053 char lli = ' ';
3054 char snr = ' ';
3055 if(df & (GNSSDF_L1CDATA|GNSSDF_L1PDATA))
3056 {
3057 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL1)
3058 lli = '1';
3059 snr = '0'+Parser->Data.snrL1[i];
3060 }
3061 if(df & (GNSSDF_L2CDATA|GNSSDF_L2PDATA))
3062 {
3063 if(Parser->Data.dataflags2[i]
3064 & (GNSSDF2_LOCKLOSSL2|GNSSDF2_XCORRL2))
3065 {
3066 lli = '0';
3067 if(Parser->Data.dataflags2[i] & GNSSDF2_LOCKLOSSL2)
3068 lli += 1;
3069 if(Parser->Data.dataflags2[i] & GNSSDF2_XCORRL2)
3070 lli += 4;
3071 }
3072 snr = '0'+Parser->Data.snrL2[i];
3073 }
3074 if((df & GNSSDF_P2DATA) && (Parser->Data.dataflags2[i]
3075 & GNSSDF2_XCORRL2))
3076 lli = '4';
3077 RTCM3Text("%14.3f%c%c",
3078 Parser->Data.measdata[i][pos],lli,snr);
3079 }
3080 if(j%5 == 4 || j == Parser->info[RTCM3_MSM_GPS].numtypes-1)
3081 RTCM3Text("\n");
3082 }
3083 }
3084 }
3085 }
3086 }
3087 }
3088}
3089
3090#ifndef NO_RTCM3_MAIN
3091static char datestr[] = "$Date: 2013-10-28 13:16:11 +0000 (Mon, 28 Oct 2013) $";
3092
3093/* The string, which is send as agent in HTTP request */
3094#define AGENTSTRING "NTRIP NtripRTCM3ToRINEX"
3095
3096#define MAXDATASIZE 1000 /* max number of bytes we can get at once */
3097
3098static const char encodingTable [64] = {
3099 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
3100 'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
3101 'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
3102 'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/'
3103};
3104
3105/* does not buffer overrun, but breaks directly after an error */
3106/* returns the number of required bytes */
3107static int encode(char *buf, int size, const char *user, const char *pwd)
3108{
3109 unsigned char inbuf[3];
3110 char *out = buf;
3111 int i, sep = 0, fill = 0, bytes = 0;
3112
3113 while(*user || *pwd)
3114 {
3115 i = 0;
3116 while(i < 3 && *user) inbuf[i++] = *(user++);
3117 if(i < 3 && !sep) {inbuf[i++] = ':'; ++sep; }
3118 while(i < 3 && *pwd) inbuf[i++] = *(pwd++);
3119 while(i < 3) {inbuf[i++] = 0; ++fill; }
3120 if(out-buf < size-1)
3121 *(out++) = encodingTable[(inbuf [0] & 0xFC) >> 2];
3122 if(out-buf < size-1)
3123 *(out++) = encodingTable[((inbuf [0] & 0x03) << 4)
3124 | ((inbuf [1] & 0xF0) >> 4)];
3125 if(out-buf < size-1)
3126 {
3127 if(fill == 2)
3128 *(out++) = '=';
3129 else
3130 *(out++) = encodingTable[((inbuf [1] & 0x0F) << 2)
3131 | ((inbuf [2] & 0xC0) >> 6)];
3132 }
3133 if(out-buf < size-1)
3134 {
3135 if(fill >= 1)
3136 *(out++) = '=';
3137 else
3138 *(out++) = encodingTable[inbuf [2] & 0x3F];
3139 }
3140 bytes += 4;
3141 }
3142 if(out-buf < size)
3143 *out = 0;
3144 return bytes;
3145}
3146
3147static int stop = 0;
3148
3149struct Args
3150{
3151 const char *server;
3152 const char *port;
3153 int mode;
3154 int timeout;
3155 int rinex3;
3156 int changeobs;
3157 const char *user;
3158 const char *password;
3159 const char *proxyhost;
3160 const char *proxyport;
3161 const char *nmea;
3162 const char *data;
3163 const char *headerfile;
3164 const char *gpsephemeris;
3165 const char *glonassephemeris;
3166};
3167
3168/* option parsing */
3169#ifdef NO_LONG_OPTS
3170#define LONG_OPT(a)
3171#else
3172#define LONG_OPT(a) a
3173static struct option opts[] = {
3174{ "data", required_argument, 0, 'd'},
3175{ "server", required_argument, 0, 's'},
3176{ "password", required_argument, 0, 'p'},
3177{ "port", required_argument, 0, 'r'},
3178{ "timeout", required_argument, 0, 't'},
3179{ "header", required_argument, 0, 'f'},
3180{ "user", required_argument, 0, 'u'},
3181{ "gpsephemeris", required_argument, 0, 'E'},
3182{ "glonassephemeris", required_argument, 0, 'G'},
3183{ "rinex3", no_argument, 0, '3'},
3184{ "changeobs", no_argument, 0, 'O'},
3185{ "proxyport", required_argument, 0, 'R'},
3186{ "proxyhost", required_argument, 0, 'S'},
3187{ "nmea", required_argument, 0, 'n'},
3188{ "mode", required_argument, 0, 'M'},
3189{ "help", no_argument, 0, 'h'},
3190{0,0,0,0}};
3191#endif
3192#define ARGOPT "-d:s:p:r:t:f:u:E:G:M:S:R:n:h3O"
3193
3194enum MODE { HTTP = 1, RTSP = 2, NTRIP1 = 3, AUTO = 4, END };
3195
3196static const char *geturl(const char *url, struct Args *args)
3197{
3198 static char buf[1000];
3199 static char *Buffer = buf;
3200 static char *Bufend = buf+sizeof(buf);
3201
3202 if(strncmp("ntrip:", url, 6))
3203 return "URL must start with 'ntrip:'.";
3204 url += 6; /* skip ntrip: */
3205
3206 if(*url != '@' && *url != '/')
3207 {
3208 /* scan for mountpoint */
3209 args->data = Buffer;
3210 while(*url && *url != '@' && *url != ';' &&*url != '/' && Buffer != Bufend)
3211 *(Buffer++) = *(url++);
3212 if(Buffer == args->data)
3213 return "Mountpoint required.";
3214 else if(Buffer >= Bufend-1)
3215 return "Parsing buffer too short.";
3216 *(Buffer++) = 0;
3217 }
3218
3219 if(*url == '/') /* username and password */
3220 {
3221 ++url;
3222 args->user = Buffer;
3223 while(*url && *url != '@' && *url != ';' && *url != ':' && Buffer != Bufend)
3224 *(Buffer++) = *(url++);
3225 if(Buffer == args->user)
3226 return "Username cannot be empty.";
3227 else if(Buffer >= Bufend-1)
3228 return "Parsing buffer too short.";
3229 *(Buffer++) = 0;
3230
3231 if(*url == ':') ++url;
3232
3233 args->password = Buffer;
3234 while(*url && *url != '@' && *url != ';' && Buffer != Bufend)
3235 *(Buffer++) = *(url++);
3236 if(Buffer == args->password)
3237 return "Password cannot be empty.";
3238 else if(Buffer >= Bufend-1)
3239 return "Parsing buffer too short.";
3240 *(Buffer++) = 0;
3241 }
3242
3243 if(*url == '@') /* server */
3244 {
3245 ++url;
3246 if(*url != '@' && *url != ':')
3247 {
3248 args->server = Buffer;
3249 while(*url && *url != '@' && *url != ':' && *url != ';' && Buffer != Bufend)
3250 *(Buffer++) = *(url++);
3251 if(Buffer == args->server)
3252 return "Servername cannot be empty.";
3253 else if(Buffer >= Bufend-1)
3254 return "Parsing buffer too short.";
3255 *(Buffer++) = 0;
3256 }
3257
3258 if(*url == ':')
3259 {
3260 ++url;
3261 args->port = Buffer;
3262 while(*url && *url != '@' && *url != ';' && Buffer != Bufend)
3263 *(Buffer++) = *(url++);
3264 if(Buffer == args->port)
3265 return "Port cannot be empty.";
3266 else if(Buffer >= Bufend-1)
3267 return "Parsing buffer too short.";
3268 *(Buffer++) = 0;
3269 }
3270
3271 if(*url == '@') /* proxy */
3272 {
3273 ++url;
3274 args->proxyhost = Buffer;
3275 while(*url && *url != ':' && *url != ';' && Buffer != Bufend)
3276 *(Buffer++) = *(url++);
3277 if(Buffer == args->proxyhost)
3278 return "Proxy servername cannot be empty.";
3279 else if(Buffer >= Bufend-1)
3280 return "Parsing buffer too short.";
3281 *(Buffer++) = 0;
3282
3283 if(*url == ':')
3284 {
3285 ++url;
3286 args->proxyport = Buffer;
3287 while(*url && *url != ';' && Buffer != Bufend)
3288 *(Buffer++) = *(url++);
3289 if(Buffer == args->proxyport)
3290 return "Proxy port cannot be empty.";
3291 else if(Buffer >= Bufend-1)
3292 return "Parsing buffer too short.";
3293 *(Buffer++) = 0;
3294 }
3295 }
3296 }
3297 if(*url == ';') /* NMEA */
3298 {
3299 args->nmea = ++url;
3300 while(*url)
3301 ++url;
3302 }
3303
3304 return *url ? "Garbage at end of server string." : 0;
3305}
3306
3307static int getargs(int argc, char **argv, struct Args *args)
3308{
3309 int res = 1;
3310 int getoptr;
3311 int help = 0;
3312 char *t;
3313
3314 args->server = "www.euref-ip.net";
3315 args->port = "2101";
3316 args->timeout = 60;
3317 args->user = "";
3318 args->password = "";
3319 args->data = 0;
3320 args->headerfile = 0;
3321 args->gpsephemeris = 0;
3322 args->glonassephemeris = 0;
3323 args->rinex3 = 0;
3324 args->nmea = 0;
3325 args->changeobs = 0;
3326 args->proxyhost = 0;
3327 args->proxyport = "2101";
3328 args->mode = AUTO;
3329 help = 0;
3330
3331 do
3332 {
3333
3334#ifdef NO_LONG_OPTS
3335 switch((getoptr = getopt(argc, argv, ARGOPT)))
3336#else
3337 switch((getoptr = getopt_long(argc, argv, ARGOPT, opts, 0)))
3338#endif
3339 {
3340 case 's': args->server = optarg; break;
3341 case 'u': args->user = optarg; break;
3342 case 'p': args->password = optarg; break;
3343 case 'd': args->data = optarg; break;
3344 case 'f': args->headerfile = optarg; break;
3345 case 'E': args->gpsephemeris = optarg; break;
3346 case 'G': args->glonassephemeris = optarg; break;
3347 case 'r': args->port = optarg; break;
3348 case '3': args->rinex3 = 1; break;
3349 case 'S': args->proxyhost = optarg; break;
3350 case 'n': args->nmea = optarg; break;
3351 case 'R': args->proxyport = optarg; break;
3352 case 'O': args->changeobs = 1; break;
3353 case 'h': help=1; break;
3354 case 'M':
3355 args->mode = 0;
3356 if (!strcmp(optarg,"n") || !strcmp(optarg,"ntrip1"))
3357 args->mode = NTRIP1;
3358 else if(!strcmp(optarg,"h") || !strcmp(optarg,"http"))
3359 args->mode = HTTP;
3360 else if(!strcmp(optarg,"r") || !strcmp(optarg,"rtsp"))
3361 args->mode = RTSP;
3362 else if(!strcmp(optarg,"a") || !strcmp(optarg,"auto"))
3363 args->mode = AUTO;
3364 else args->mode = atoi(optarg);
3365 if((args->mode == 0) || (args->mode >= END))
3366 {
3367 fprintf(stderr, "Mode %s unknown\n", optarg);
3368 res = 0;
3369 }
3370 break;
3371 case 't':
3372 args->timeout = strtoul(optarg, &t, 10);
3373 if((t && *t) || args->timeout < 0)
3374 res = 0;
3375 break;
3376
3377 case 1:
3378 {
3379 const char *err;
3380 if((err = geturl(optarg, args)))
3381 {
3382 RTCM3Error("%s\n\n", err);
3383 res = 0;
3384 }
3385 }
3386 break;
3387 case -1: break;
3388 }
3389 } while(getoptr != -1 || !res);
3390
3391 datestr[0] = datestr[7];
3392 datestr[1] = datestr[8];
3393 datestr[2] = datestr[9];
3394 datestr[3] = datestr[10];
3395 datestr[5] = datestr[12];
3396 datestr[6] = datestr[13];
3397 datestr[8] = datestr[15];
3398 datestr[9] = datestr[16];
3399 datestr[4] = datestr[7] = '-';
3400 datestr[10] = 0;
3401
3402 if(args->gpsephemeris && args->glonassephemeris && args->rinex3)
3403 {
3404 RTCM3Error("RINEX3 produces a combined ephemeris file, but 2 files were specified.\n"
3405 "Please specify only one navigation file.\n");
3406 res = 0;
3407 }
3408 else if(!res || help)
3409 {
3410 RTCM3Error("Version %s (%s) GPL" COMPILEDATE
3411 "\nUsage: %s -s server -u user ...\n"
3412 " -d " LONG_OPT("--data ") "the requested data set\n"
3413 " -f " LONG_OPT("--headerfile ") "file for RINEX header information\n"
3414 " -s " LONG_OPT("--server ") "the server name or address\n"
3415 " -p " LONG_OPT("--password ") "the login password\n"
3416 " -r " LONG_OPT("--port ") "the server port number (default 2101)\n"
3417 " -t " LONG_OPT("--timeout ") "timeout in seconds (default 60)\n"
3418 " -u " LONG_OPT("--user ") "the user name\n"
3419 " -E " LONG_OPT("--gpsephemeris ") "output file for GPS ephemeris data\n"
3420 " -G " LONG_OPT("--glonassephemeris ") "output file for GLONASS ephemeris data\n"
3421 " -3 " LONG_OPT("--rinex3 ") "output RINEX type 3 data\n"
3422 " -S " LONG_OPT("--proxyhost ") "proxy name or address\n"
3423 " -R " LONG_OPT("--proxyport ") "proxy port, optional (default 2101)\n"
3424 " -n " LONG_OPT("--nmea ") "NMEA string for sending to server\n"
3425 " -O " LONG_OPT("--changeobs ") "Add observation type change header lines\n"
3426 " -M " LONG_OPT("--mode ") "mode for data request\n"
3427 " Valid modes are:\n"
3428 " 1, h, http NTRIP Version 2.0 Caster in TCP/IP mode\n"
3429 " 2, r, rtsp NTRIP Version 2.0 Caster in RTSP/RTP mode\n"
3430 " 3, n, ntrip1 NTRIP Version 1.0 Caster\n"
3431 " 4, a, auto automatic detection (default)\n"
3432 "or using an URL:\n%s ntrip:data[/user[:password]][@[server][:port][@proxyhost[:proxyport]]][;nmea]\n"
3433 , revisionstr, datestr, argv[0], argv[0]);
3434 exit(1);
3435 }
3436 return res;
3437}
3438
3439/* let the output complete a block if necessary */
3440static void signalhandler(int sig)
3441{
3442 if(!stop)
3443 {
3444 RTCM3Error("Stop signal number %d received. "
3445 "Trying to terminate gentle.\n", sig);
3446 stop = 1;
3447 alarm(1);
3448 }
3449}
3450
3451#ifndef WINDOWSVERSION
3452static void WaitMicro(int mic)
3453{
3454 struct timeval tv;
3455 tv.tv_sec = mic/1000000;
3456 tv.tv_usec = mic%1000000;
3457#ifdef DEBUG
3458 fprintf(stderr, "Waiting %d micro seconds\n", mic);
3459#endif
3460 select(0, 0, 0, 0, &tv);
3461}
3462#else /* WINDOWSVERSION */
3463void WaitMicro(int mic)
3464{
3465 Sleep(mic/1000);
3466}
3467#endif /* WINDOWSVERSION */
3468
3469#define ALARMTIME (2*60)
3470
3471/* for some reason we had to abort hard (maybe waiting for data */
3472#ifdef __GNUC__
3473static __attribute__ ((noreturn)) void signalhandler_alarm(
3474int sig __attribute__((__unused__)))
3475#else /* __GNUC__ */
3476static void signalhandler_alarm(int sig)
3477#endif /* __GNUC__ */
3478{
3479 RTCM3Error("Programm forcefully terminated.\n");
3480 exit(1);
3481}
3482
3483int main(int argc, char **argv)
3484{
3485 struct Args args;
3486 struct RTCM3ParserData Parser;
3487
3488 setbuf(stdout, 0);
3489 setbuf(stdin, 0);
3490 setbuf(stderr, 0);
3491
3492 fixrevision();
3493
3494 signal(SIGINT, signalhandler);
3495 signal(SIGALRM,signalhandler_alarm);
3496 signal(SIGQUIT,signalhandler);
3497 signal(SIGTERM,signalhandler);
3498 signal(SIGPIPE,signalhandler);
3499 memset(&Parser, 0, sizeof(Parser));
3500 {
3501 time_t tim;
3502 tim = time(0) - ((10*365+2+5)*24*60*60+LEAPSECONDS);
3503 Parser.GPSWeek = tim/(7*24*60*60);
3504 Parser.GPSTOW = tim%(7*24*60*60);
3505 }
3506
3507 if(getargs(argc, argv, &args))
3508 {
3509 int sockfd, numbytes;
3510 char buf[MAXDATASIZE];
3511 struct sockaddr_in their_addr; /* connector's address information */
3512 struct hostent *he;
3513 struct servent *se;
3514 const char *server, *port, *proxyserver = 0;
3515 char proxyport[6];
3516 char *b;
3517 long i;
3518 struct timeval tv;
3519
3520 alarm(ALARMTIME);
3521
3522 Parser.headerfile = args.headerfile;
3523 Parser.glonassephemeris = args.glonassephemeris;
3524 Parser.gpsephemeris = args.gpsephemeris;
3525 Parser.rinex3 = args.rinex3;
3526 Parser.changeobs = args.changeobs;
3527
3528 if(args.proxyhost)
3529 {
3530 int p;
3531 if((i = strtol(args.port, &b, 10)) && (!b || !*b))
3532 p = i;
3533 else if(!(se = getservbyname(args.port, 0)))
3534 {
3535 RTCM3Error("Can't resolve port %s.", args.port);
3536 exit(1);
3537 }
3538 else
3539 {
3540 p = ntohs(se->s_port);
3541 }
3542 snprintf(proxyport, sizeof(proxyport), "%d", p);
3543 port = args.proxyport;
3544 proxyserver = args.server;
3545 server = args.proxyhost;
3546 }
3547 else
3548 {
3549 server = args.server;
3550 port = args.port;
3551 }
3552
3553 memset(&their_addr, 0, sizeof(struct sockaddr_in));
3554 if((i = strtol(port, &b, 10)) && (!b || !*b))
3555 their_addr.sin_port = htons(i);
3556 else if(!(se = getservbyname(port, 0)))
3557 {
3558 RTCM3Error("Can't resolve port %s.", port);
3559 exit(1);
3560 }
3561 else
3562 {
3563 their_addr.sin_port = se->s_port;
3564 }
3565 if(!(he=gethostbyname(server)))
3566 {
3567 RTCM3Error("Server name lookup failed for '%s'.\n", server);
3568 exit(1);
3569 }
3570 if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
3571 {
3572 perror("socket");
3573 exit(1);
3574 }
3575
3576 tv.tv_sec = args.timeout;
3577 tv.tv_usec = 0;
3578 if(setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (struct timeval *)&tv, sizeof(struct timeval) ) == -1)
3579 {
3580 RTCM3Error("Function setsockopt: %s\n", strerror(errno));
3581 exit(1);
3582 }
3583
3584 their_addr.sin_family = AF_INET;
3585 their_addr.sin_addr = *((struct in_addr *)he->h_addr);
3586
3587 if(args.data && args.mode == RTSP)
3588 {
3589 struct sockaddr_in local;
3590 int sockudp, localport;
3591 int cseq = 1;
3592 socklen_t len;
3593
3594 if((sockudp = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
3595 {
3596 perror("socket");
3597 exit(1);
3598 }
3599 /* fill structure with local address information for UDP */
3600 memset(&local, 0, sizeof(local));
3601 local.sin_family = AF_INET;
3602 local.sin_port = htons(0);
3603 local.sin_addr.s_addr = htonl(INADDR_ANY);
3604 len = sizeof(local);
3605 /* bind() in order to get a random RTP client_port */
3606 if((bind(sockudp, (struct sockaddr *)&local, len)) < 0)
3607 {
3608 perror("bind");
3609 exit(1);
3610 }
3611 if((getsockname(sockudp, (struct sockaddr*)&local, &len)) != -1)
3612 {
3613 localport = ntohs(local.sin_port);
3614 }
3615 else
3616 {
3617 perror("local access failed");
3618 exit(1);
3619 }
3620 if(connect(sockfd, (struct sockaddr *)&their_addr,
3621 sizeof(struct sockaddr)) == -1)
3622 {
3623 perror("connect");
3624 exit(1);
3625 }
3626 i=snprintf(buf, MAXDATASIZE-40, /* leave some space for login */
3627 "SETUP rtsp://%s%s%s/%s RTSP/1.0\r\n"
3628 "CSeq: %d\r\n"
3629 "Ntrip-Version: Ntrip/2.0\r\n"
3630 "Ntrip-Component: Ntripclient\r\n"
3631 "User-Agent: %s/%s\r\n"
3632 "Transport: RTP/GNSS;unicast;client_port=%u\r\n"
3633 "Authorization: Basic ",
3634 args.server, proxyserver ? ":" : "", proxyserver ? args.port : "",
3635 args.data, cseq++, AGENTSTRING, revisionstr, localport);
3636 if(i > MAXDATASIZE-40 || i < 0) /* second check for old glibc */
3637 {
3638 RTCM3Error("Requested data too long\n");
3639 exit(1);
3640 }
3641 i += encode(buf+i, MAXDATASIZE-i-4, args.user, args.password);
3642 if(i > MAXDATASIZE-4)
3643 {
3644 RTCM3Error("Username and/or password too long\n");
3645 exit(1);
3646 }
3647 buf[i++] = '\r';
3648 buf[i++] = '\n';
3649 buf[i++] = '\r';
3650 buf[i++] = '\n';
3651 if(args.nmea)
3652 {
3653 int j = snprintf(buf+i, MAXDATASIZE-i, "%s\r\n", args.nmea);
3654 if(j >= 0 && j < MAXDATASIZE-i)
3655 i += j;
3656 else
3657 {
3658 RTCM3Error("NMEA string too long\n");
3659 exit(1);
3660 }
3661 }
3662 if(send(sockfd, buf, (size_t)i, 0) != i)
3663 {
3664 perror("send");
3665 exit(1);
3666 }
3667 if((numbytes=recv(sockfd, buf, MAXDATASIZE-1, 0)) != -1)
3668 {
3669 if(numbytes >= 17 && !strncmp(buf, "RTSP/1.0 200 OK\r\n", 17))
3670 {
3671 int serverport = 0, session = 0;
3672 const char *portcheck = "server_port=";
3673 const char *sessioncheck = "session: ";
3674 int l = strlen(portcheck)-1;
3675 int j=0;
3676 for(i = 0; j != l && i < numbytes-l; ++i)
3677 {
3678 for(j = 0; j < l && tolower(buf[i+j]) == portcheck[j]; ++j)
3679 ;
3680 }
3681 if(i == numbytes-l)
3682 {
3683 RTCM3Error("No server port number found\n");
3684 exit(1);
3685 }
3686 else
3687 {
3688 i+=l;
3689 while(i < numbytes && buf[i] >= '0' && buf[i] <= '9')
3690 serverport = serverport * 10 + buf[i++]-'0';
3691 if(buf[i] != '\r' && buf[i] != ';')
3692 {
3693 RTCM3Error("Could not extract server port\n");
3694 exit(1);
3695 }
3696 }
3697 l = strlen(sessioncheck)-1;
3698 j=0;
3699 for(i = 0; j != l && i < numbytes-l; ++i)
3700 {
3701 for(j = 0; j < l && tolower(buf[i+j]) == sessioncheck[j]; ++j)
3702 ;
3703 }
3704 if(i == numbytes-l)
3705 {
3706 RTCM3Error("No session number found\n");
3707 exit(1);
3708 }
3709 else
3710 {
3711 i+=l;
3712 while(i < numbytes && buf[i] >= '0' && buf[i] <= '9')
3713 session = session * 10 + buf[i++]-'0';
3714 if(buf[i] != '\r')
3715 {
3716 RTCM3Error("Could not extract session number\n");
3717 exit(1);
3718 }
3719 }
3720
3721 i = snprintf(buf, MAXDATASIZE,
3722 "PLAY rtsp://%s%s%s/%s RTSP/1.0\r\n"
3723 "CSeq: %d\r\n"
3724 "Session: %d\r\n"
3725 "\r\n",
3726 args.server, proxyserver ? ":" : "", proxyserver ? args.port : "",
3727 args.data, cseq++, session);
3728
3729 if(i > MAXDATASIZE || i < 0) /* second check for old glibc */
3730 {
3731 RTCM3Error("Requested data too long\n");
3732 exit(1);
3733 }
3734 if(send(sockfd, buf, (size_t)i, 0) != i)
3735 {
3736 perror("send");
3737 exit(1);
3738 }
3739 if((numbytes=recv(sockfd, buf, MAXDATASIZE-1, 0)) != -1)
3740 {
3741 if(numbytes >= 17 && !strncmp(buf, "RTSP/1.0 200 OK\r\n", 17))
3742 {
3743 struct sockaddr_in addrRTP;
3744 /* fill structure with caster address information for UDP */
3745 memset(&addrRTP, 0, sizeof(addrRTP));
3746 addrRTP.sin_family = AF_INET;
3747 addrRTP.sin_port = htons(serverport);
3748 their_addr.sin_addr = *((struct in_addr *)he->h_addr);
3749 len = sizeof(addrRTP);
3750 int ts = 0;
3751 int sn = 0;
3752 int ssrc = 0;
3753 int init = 0;
3754 int u, v, w;
3755 while(!stop && (i = recvfrom(sockudp, buf, 1526, 0,
3756 (struct sockaddr*) &addrRTP, &len)) > 0)
3757 {
3758 alarm(ALARMTIME);
3759 if(i >= 12+1 && (unsigned char)buf[0] == (2 << 6) && buf[1] == 0x60)
3760 {
3761 u= ((unsigned char)buf[2]<<8)+(unsigned char)buf[3];
3762 v = ((unsigned char)buf[4]<<24)+((unsigned char)buf[5]<<16)
3763 +((unsigned char)buf[6]<<8)+(unsigned char)buf[7];
3764 w = ((unsigned char)buf[8]<<24)+((unsigned char)buf[9]<<16)
3765 +((unsigned char)buf[10]<<8)+(unsigned char)buf[11];
3766
3767 if(init)
3768 {
3769 int z;
3770 if(u < -30000 && sn > 30000) sn -= 0xFFFF;
3771 if(ssrc != w || ts > v)
3772 {
3773 RTCM3Error("Illegal UDP data received.\n");
3774 exit(1);
3775 }
3776 if(u > sn) /* don't show out-of-order packets */
3777 for(z = 12; z < i && !stop; ++z)
3778 HandleByte(&Parser, (unsigned int) buf[z]);
3779 }
3780 sn = u; ts = v; ssrc = w; init = 1;
3781 }
3782 else
3783 {
3784 RTCM3Error("Illegal UDP header.\n");
3785 exit(1);
3786 }
3787 }
3788 }
3789 i = snprintf(buf, MAXDATASIZE,
3790 "TEARDOWN rtsp://%s%s%s/%s RTSP/1.0\r\n"
3791 "CSeq: %d\r\n"
3792 "Session: %d\r\n"
3793 "\r\n",
3794 args.server, proxyserver ? ":" : "", proxyserver ? args.port : "",
3795 args.data, cseq++, session);
3796
3797 if(i > MAXDATASIZE || i < 0) /* second check for old glibc */
3798 {
3799 RTCM3Error("Requested data too long\n");
3800 exit(1);
3801 }
3802 if(send(sockfd, buf, (size_t)i, 0) != i)
3803 {
3804 perror("send");
3805 exit(1);
3806 }
3807 }
3808 else
3809 {
3810 RTCM3Error("Could not start data stream.\n");
3811 exit(1);
3812 }
3813 }
3814 else
3815 {
3816 RTCM3Error("Could not setup initial control connection.\n");
3817 exit(1);
3818 }
3819 }
3820 else
3821 {
3822 perror("recv");
3823 exit(1);
3824 }
3825 }
3826 else
3827 {
3828 if(connect(sockfd, (struct sockaddr *)&their_addr,
3829 sizeof(struct sockaddr)) == -1)
3830 {
3831 perror("connect");
3832 exit(1);
3833 }
3834 if(!args.data)
3835 {
3836 i = snprintf(buf, MAXDATASIZE,
3837 "GET %s%s%s%s/ HTTP/1.0\r\n"
3838 "Host: %s\r\n%s"
3839 "User-Agent: %s/%s\r\n"
3840 "Connection: close\r\n"
3841 "\r\n"
3842 , proxyserver ? "http://" : "", proxyserver ? proxyserver : "",
3843 proxyserver ? ":" : "", proxyserver ? proxyport : "",
3844 args.server, args.mode == NTRIP1 ? "" : "Ntrip-Version: Ntrip/2.0\r\n",
3845 AGENTSTRING, revisionstr);
3846 }
3847 else
3848 {
3849 i=snprintf(buf, MAXDATASIZE-40, /* leave some space for login */
3850 "GET %s%s%s%s/%s HTTP/1.0\r\n"
3851 "Host: %s\r\n%s"
3852 "User-Agent: %s/%s\r\n"
3853 "Connection: close\r\n"
3854 "Authorization: Basic "
3855 , proxyserver ? "http://" : "", proxyserver ? proxyserver : "",
3856 proxyserver ? ":" : "", proxyserver ? proxyport : "",
3857 args.data, args.server,
3858 args.mode == NTRIP1 ? "" : "Ntrip-Version: Ntrip/2.0\r\n",
3859 AGENTSTRING, revisionstr);
3860 if(i > MAXDATASIZE-40 || i < 0) /* second check for old glibc */
3861 {
3862 RTCM3Error("Requested data too long\n");
3863 exit(1);
3864 }
3865 i += encode(buf+i, MAXDATASIZE-i-4, args.user, args.password);
3866 if(i > MAXDATASIZE-4)
3867 {
3868 RTCM3Error("Username and/or password too long\n");
3869 exit(1);
3870 }
3871 buf[i++] = '\r';
3872 buf[i++] = '\n';
3873 buf[i++] = '\r';
3874 buf[i++] = '\n';
3875 if(args.nmea)
3876 {
3877 int j = snprintf(buf+i, MAXDATASIZE-i, "%s\r\n", args.nmea);
3878 if(j >= 0 && j < MAXDATASIZE-i)
3879 i += j;
3880 else
3881 {
3882 RTCM3Error("NMEA string too long\n");
3883 exit(1);
3884 }
3885 }
3886 }
3887 if(send(sockfd, buf, (size_t)i, 0) != i)
3888 {
3889 perror("send");
3890 exit(1);
3891 }
3892 if(args.data)
3893 {
3894 int k = 0;
3895 int chunkymode = 0;
3896 int totalbytes = 0;
3897 int chunksize = 0;
3898
3899 while(!stop && (numbytes=recv(sockfd, buf, MAXDATASIZE-1, 0)) != -1)
3900 {
3901 if(numbytes > 0)
3902 alarm(ALARMTIME);
3903 else
3904 {
3905 WaitMicro(100);
3906 continue;
3907 }
3908 if(!k)
3909 {
3910 if(numbytes > 17 && (!strncmp(buf, "HTTP/1.1 200 OK\r\n", 17)
3911 || !strncmp(buf, "HTTP/1.0 200 OK\r\n", 17)))
3912 {
3913 const char *datacheck = "Content-Type: gnss/data\r\n";
3914 const char *chunkycheck = "Transfer-Encoding: chunked\r\n";
3915 int l = strlen(datacheck)-1;
3916 int j=0;
3917 for(i = 0; j != l && i < numbytes-l; ++i)
3918 {
3919 for(j = 0; j < l && buf[i+j] == datacheck[j]; ++j)
3920 ;
3921 }
3922 if(i == numbytes-l)
3923 {
3924 RTCM3Error("No 'Content-Type: gnss/data' found\n");
3925 exit(1);
3926 }
3927 l = strlen(chunkycheck)-1;
3928 j=0;
3929 for(i = 0; j != l && i < numbytes-l; ++i)
3930 {
3931 for(j = 0; j < l && buf[i+j] == chunkycheck[j]; ++j)
3932 ;
3933 }
3934 if(i < numbytes-l)
3935 chunkymode = 1;
3936 }
3937 else if(numbytes < 12 || strncmp("ICY 200 OK\r\n", buf, 12))
3938 {
3939 RTCM3Error("Could not get the requested data: ");
3940 for(k = 0; k < numbytes && buf[k] != '\n' && buf[k] != '\r'; ++k)
3941 {
3942 RTCM3Error("%c", isprint(buf[k]) ? buf[k] : '.');
3943 }
3944 RTCM3Error("\n");
3945 exit(1);
3946 }
3947 else if(args.mode != NTRIP1)
3948 {
3949 if(args.mode != AUTO)
3950 {
3951 RTCM3Error("NTRIP version 2 HTTP connection failed%s.\n",
3952 args.mode == AUTO ? ", falling back to NTRIP1" : "");
3953 }
3954 if(args.mode == HTTP)
3955 exit(1);
3956 }
3957 ++k;
3958 }
3959 else
3960 {
3961 if(chunkymode)
3962 {
3963 int stop = 0;
3964 int pos = 0;
3965 while(!stop && pos < numbytes)
3966 {
3967 switch(chunkymode)
3968 {
3969 case 1: /* reading number starts */
3970 chunksize = 0;
3971 ++chunkymode; /* no break */
3972 case 2: /* during reading number */
3973 i = buf[pos++];
3974 if(i >= '0' && i <= '9') chunksize = chunksize*16+i-'0';
3975 else if(i >= 'a' && i <= 'f') chunksize = chunksize*16+i-'a'+10;
3976 else if(i >= 'A' && i <= 'F') chunksize = chunksize*16+i-'A'+10;
3977 else if(i == '\r') ++chunkymode;
3978 else if(i == ';') chunkymode = 5;
3979 else stop = 1;
3980 break;
3981 case 3: /* scanning for return */
3982 if(buf[pos++] == '\n') chunkymode = chunksize ? 4 : 1;
3983 else stop = 1;
3984 break;
3985 case 4: /* output data */
3986 i = numbytes-pos;
3987 if(i > chunksize) i = chunksize;
3988 {
3989 int z;
3990 for(z = 0; z < i && !stop; ++z)
3991 HandleByte(&Parser, (unsigned int) buf[pos+z]);
3992 }
3993 totalbytes += i;
3994 chunksize -= i;
3995 pos += i;
3996 if(!chunksize)
3997 chunkymode = 1;
3998 break;
3999 case 5:
4000 if(i == '\r') chunkymode = 3;
4001 break;
4002 }
4003 }
4004 if(stop)
4005 {
4006 RTCM3Error("Error in chunky transfer encoding\n");
4007 break;
4008 }
4009 }
4010 else
4011 {
4012 totalbytes += numbytes;
4013 {
4014 int z;
4015 for(z = 0; z < numbytes && !stop; ++z)
4016 HandleByte(&Parser, (unsigned int) buf[z]);
4017 }
4018 }
4019 if(totalbytes < 0) /* overflow */
4020 {
4021 totalbytes = 0;
4022 }
4023 }
4024 }
4025 }
4026 else
4027 {
4028 while(!stop && (numbytes=recv(sockfd, buf, MAXDATASIZE-1, 0)) > 0)
4029 {
4030 alarm(ALARMTIME);
4031 fwrite(buf, (size_t)numbytes, 1, stdout);
4032 }
4033 }
4034 close(sockfd);
4035 }
4036 }
4037 return 0;
4038}
4039#endif /* NO_RTCM3_MAIN */
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