source: ntrip/branches/BNC_2.12/src/bncrinex.cpp@ 9089

Last change on this file since 9089 was 9089, checked in by stuerze, 2 years ago

adjusted allocation of slip and LTI according to the respective RTCM version

File size: 19.0 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
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
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: bncRinex
30 *
31 * Purpose: writes RINEX files
32 *
33 * Author: L. Mervart
34 *
35 * Created: 27-Aug-2006
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <stdlib.h>
42#include <iostream>
43#include <iomanip>
44#include <math.h>
45#include <sstream>
46
47#include <QtCore>
48#include <QUrl>
49#include <QString>
50
51#include "bncrinex.h"
52#include "bnccore.h"
53#include "bncutils.h"
54#include "bncconst.h"
55#include "bnctabledlg.h"
56#include "bncgetthread.h"
57#include "bncnetqueryv1.h"
58#include "bncnetqueryv2.h"
59#include "bncsettings.h"
60#include "bncversion.h"
61
62using namespace std;
63
64// Constructor
65////////////////////////////////////////////////////////////////////////////
66bncRinex::bncRinex(const QByteArray& statID, const QUrl& mountPoint,
67 const QByteArray& latitude, const QByteArray& longitude,
68 const QByteArray& nmea, const QByteArray& ntripVersion) {
69
70 _statID = statID;
71 _mountPoint = mountPoint;
72 _latitude = latitude;
73 _longitude = longitude;
74 _nmea = nmea;
75 _ntripVersion = ntripVersion;
76 _headerWritten = false;
77 _reconnectFlag = false;
78
79 bncSettings settings;
80 _rnxScriptName = settings.value("rnxScript").toString();
81 expandEnvVar(_rnxScriptName);
82
83 _pgmName = QString(BNCPGMNAME).leftJustified(20, ' ', true);
84#ifdef WIN32
85 _userName = QString("${USERNAME}");
86#else
87 _userName = QString("${USER}");
88#endif
89 expandEnvVar(_userName);
90 _userName = _userName.leftJustified(20, ' ', true);
91
92 _samplingRateMult10 = int(settings.value("rnxSampl").toString().split("sec").first().toDouble() * 10.0);
93
94 if (settings.value("rnxSampl").toString() == "0.1 sec") {
95 _samplingRateStr = "_10Z";
96 }
97 else if (settings.value("rnxSampl").toString() == "1 sec") {
98 _samplingRateStr = "_01S";
99 }
100 else if (settings.value("rnxSampl").toString() == "5 sec") {
101 _samplingRateStr = "_05S";
102 }
103 else if (settings.value("rnxSampl").toString() == "10 sec") {
104 _samplingRateStr = "_10S";
105 }
106 else if (settings.value("rnxSampl").toString() == "15 sec") {
107 _samplingRateStr = "_15S";
108 }
109 else if (settings.value("rnxSampl").toString() == "30 sec") {
110 _samplingRateStr = "_30S";
111 }
112 else if (settings.value("rnxSampl").toString() == "60 sec") {
113 _samplingRateStr = "_01M";
114 }
115
116 _writeRinexFileOnlyWithSkl = settings.value("rnxOnlyWithSKL").toBool();
117
118 _rnxV3 = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked) ? true : false;
119}
120
121// Destructor
122////////////////////////////////////////////////////////////////////////////
123bncRinex::~bncRinex() {
124 bncSettings settings;
125 if ((_header.version() >= 3.0) && ( Qt::CheckState(settings.value("rnxAppend").toInt()) != Qt::Checked) ) {
126 _out << "> 4 1" << endl;
127 _out << "END OF FILE" << endl;
128 }
129 _out.close();
130}
131
132// Download Skeleton Header File
133////////////////////////////////////////////////////////////////////////////
134t_irc bncRinex::downloadSkeleton() {
135
136 t_irc irc = failure;
137
138 QStringList table;
139 bncTableDlg::getFullTable(_ntripVersion, _mountPoint.host(), _mountPoint.port(),
140 _mountPoint.userName(), _mountPoint.password(), table, true);
141 QString net;
142 QStringListIterator it(table);
143 while (it.hasNext()) {
144 QString line = it.next();
145 if (line.indexOf("STR") == 0) {
146 QStringList tags = line.split(";");
147 if (tags.size() > 7) {
148 if (tags.at(1) == _mountPoint.path().mid(1).toAscii()) {
149 net = tags.at(7);
150 break;
151 }
152 }
153 }
154 }
155 QString sklDir;
156 if (!net.isEmpty()) {
157 it.toFront();
158 while (it.hasNext()) {
159 QString line = it.next();
160 if (line.indexOf("NET") == 0) {
161 QStringList tags = line.split(";");
162 if (tags.size() > 6) {
163 if (tags.at(1) == net) {
164 sklDir = tags.at(6).trimmed();
165 break;
166 }
167 }
168 }
169 }
170 }
171 if (!sklDir.isEmpty() && sklDir != "none") {
172 QString staID, staIDalternative;
173 QUrl url;
174 int stIdLength = _mountPoint.path().length()-2;
175 staID = _mountPoint.path().mid(1,stIdLength).toUpper() + ".skl";
176 staIDalternative = _mountPoint.path().mid(1,stIdLength).toLower() + ".skl";
177 url = sklDir + "/" + staID;
178 if (url.port() == -1) {
179 if (sklDir.contains("https", Qt::CaseInsensitive)) {
180 url.setPort(443);
181 }
182 else {
183 url.setPort(80);
184 }
185 }
186
187 bncNetQuery* query = new bncNetQueryV2(true);
188 QByteArray outData;
189 query->waitForRequestResult(url, outData);
190 if (query->status() == bncNetQuery::finished &&
191 outData.contains("END OF HEADER")) {
192 QTextStream in(outData);
193 irc = _sklHeader.read(&in);
194 }
195 else {
196 url = sklDir + "/" + staIDalternative;
197 query->waitForRequestResult(url, outData);
198 if (query->status() == bncNetQuery::finished &&
199 outData.contains("END OF HEADER")) {
200 QTextStream in(outData);
201 irc = _sklHeader.read(&in);
202 }
203 }
204 delete query;
205 }
206
207 return irc;
208}
209
210// Read Skeleton Header File
211////////////////////////////////////////////////////////////////////////////
212bool bncRinex::readSkeleton() {
213
214 bool readDone = false;
215
216 // Read the local file
217 // -------------------
218 QFile skl(_sklName);
219 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
220 QTextStream in(&skl);
221 if (_sklHeader.read(&in) == success) {
222 readDone = true;
223 }
224 }
225
226 // Read downloaded file
227 // --------------------
228 else if ( _ntripVersion != "N" && _ntripVersion != "UN" &&
229 _ntripVersion != "S" ) {
230 QDate currDate = currentDateAndTimeGPS().date();
231 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
232 if (downloadSkeleton() == success) {
233 readDone = true;
234 _skeletonDate = currDate;
235 }
236 } else if (_skeletonDate.isValid()) {
237 readDone = true;
238 }
239 }
240 return readDone;
241}
242
243// Next File Epoch (static)
244////////////////////////////////////////////////////////////////////////////
245QString bncRinex::nextEpochStr(const QDateTime& datTim,
246 const QString& intStr, bool rnxV3,
247 QDateTime* nextEpoch) {
248
249 QString epoStr = "";
250
251 QTime nextTime;
252 QDate nextDate;
253
254 int indHlp = intStr.indexOf("min");
255
256 if ( indHlp != -1) {
257 int step = intStr.left(indHlp-1).toInt();
258 if (rnxV3) {
259 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
260 } else {
261 epoStr += 'A' + datTim.time().hour();
262 }
263
264 if (datTim.time().minute() >= 60-step) {
265 epoStr += QString("%1").arg(60-step, 2, 10, QChar('0')); // M
266 if (datTim.time().hour() < 23) {
267 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
268 nextDate = datTim.date();
269 }
270 else {
271 nextTime.setHMS(0, 0, 0);
272 nextDate = datTim.date().addDays(1);
273 }
274 }
275 else {
276 for (int limit = step; limit <= 60-step; limit += step) {
277 if (datTim.time().minute() < limit) {
278 epoStr += QString("%1").arg(limit-step, 2, 10, QChar('0')); // M
279 nextTime.setHMS(datTim.time().hour(), limit, 0);
280 nextDate = datTim.date();
281 break;
282 }
283 }
284 }
285 if (rnxV3) {
286 epoStr += QString("_%1M").arg(step, 2, 10, QChar('0')); // period
287 }
288 }
289 else if (intStr == "1 hour") {
290 int step = intStr.left(indHlp-1).toInt();
291 if (rnxV3) {
292 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
293 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
294 epoStr += QString("_%1H").arg(step+1, 2, 10, QChar('0')); // period
295 } else {
296 epoStr += 'A' + datTim.time().hour();
297 }
298 if (datTim.time().hour() < 23) {
299 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
300 nextDate = datTim.date();
301 }
302 else {
303 nextTime.setHMS(0, 0, 0);
304 nextDate = datTim.date().addDays(1);
305 }
306 }
307 else {
308 int step = intStr.left(indHlp-1).toInt();
309 if (rnxV3) {
310 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // H
311 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
312 epoStr += QString("_%1D").arg(step+1, 2, 10, QChar('0')); // period
313 } else {
314 epoStr = "0";
315 }
316 nextTime.setHMS(0, 0, 0);
317 nextDate = datTim.date().addDays(1);
318 }
319
320 if (nextEpoch) {
321 *nextEpoch = QDateTime(nextDate, nextTime);
322 }
323
324 return epoStr;
325}
326
327// File Name according to RINEX Standards
328////////////////////////////////////////////////////////////////////////////
329void bncRinex::resolveFileName(const QDateTime& datTim) {
330
331 bncSettings settings;
332 QString path = settings.value("rnxPath").toString();
333 expandEnvVar(path);
334
335 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
336 path += QDir::separator();
337 }
338
339 QString hlpStr = nextEpochStr(datTim, settings.value("rnxIntr").toString(),
340 _rnxV3, &_nextCloseEpoch);
341
342 int n = _statID.size();
343 int statIDlength;
344 if (n > 9) {
345 statIDlength = 9; // rnx3
346 }
347 else if (n > 4) {
348 statIDlength = 4; // rnx2
349 }
350 else {
351 statIDlength = n;
352 }
353 QString ID = _statID.left(statIDlength);
354 ID = ID.toUpper();
355
356 // Check name conflict
357 // -------------------
358 QString distStr;
359 int num = 0;
360 QListIterator<QString> it(settings.value("mountPoints").toStringList());
361 while (it.hasNext()) {
362 QString mp = it.next();
363 if (mp.indexOf(_statID.left(statIDlength)) != -1) {
364 ++num;
365 }
366 }
367 if (num > 1) {
368 distStr = "_" + _statID.right(1);
369 }
370
371 QString sklExt = settings.value("rnxSkel").toString();
372 if (!sklExt.isEmpty()) {
373 _sklName = path + ID + distStr + "." + sklExt;
374 }
375
376 if (_rnxV3) {
377 QString country;
378 QString monNum = "0";
379 QString recNum = "0";
380 if (statIDlength == 9) {
381 monNum = QChar(_statID[4]);
382 recNum = QChar(_statID[5]);
383 }
384 QListIterator<QString> it(settings.value("mountPoints").toStringList());
385 while (it.hasNext()) {
386 QStringList hlp = it.next().split(" ");
387 if (hlp.size() < 7)
388 continue;
389 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
390 country = hlp[2].left(3);
391 }
392 }
393
394 path += ID.left(4) +
395 QString("%1").arg(monNum, 1, 10) +
396 QString("%1").arg(recNum, 1, 10) +
397 country +
398 "_S_" + // stream
399 QString("%1").arg(datTim.date().year()) +
400 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
401 hlpStr + // HMS_period
402 QString("%1").arg(_samplingRateStr) + // sampling rate
403 "_MO" + // mixed OBS
404 distStr +
405 ".rnx";
406 }
407 else {
408 path += ID.left(4) +
409 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
410 hlpStr + distStr + datTim.toString(".yyO");
411 }
412
413 _fName = path.toAscii();
414}
415
416// Write RINEX Header
417////////////////////////////////////////////////////////////////////////////
418void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
419
420 bncSettings settings;
421
422 // Set RINEX Version
423 // -----------------
424 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
425
426 // Open the Output File
427 // --------------------
428 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
429 floor(firstObsTime.gpssec()+0.5));
430
431 resolveFileName(datTimNom);
432
433 // Read Skeleton Header
434 // --------------------
435 if (readSkeleton()) {
436 _header.set(_sklHeader, intHeaderVers);
437 }
438 else {
439 if (_writeRinexFileOnlyWithSkl) {
440 return;
441 }
442 _header.setDefault(_statID, intHeaderVers);
443 }
444
445 // Append to existing file and return
446 // ----------------------------------
447 if ( QFile::exists(_fName) &&
448 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
449 _out.open(_fName.data(), ios::app);
450 _out.setf(ios::showpoint | ios::fixed);
451 _headerWritten = true;
452 _reconnectFlag = false;
453 }
454 else {
455 _out.open(_fName.data());
456 _addComments.clear();
457 }
458
459 _out.setf(ios::showpoint | ios::fixed);
460
461 // A Few Additional Comments
462 // -------------------------
463 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
464 if (_nmea == "yes") {
465 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
466 }
467
468 // Write the Header
469 // ----------------
470 QByteArray headerLines;
471 QTextStream outHlp(&headerLines);
472
473 QMap<QString, QString> txtMap;
474 txtMap["COMMENT"] = _addComments.join("\\n");
475
476 _header.setStartTime(firstObsTime);
477 _header.write(&outHlp, &txtMap);
478
479 outHlp.flush();
480
481 if (!_headerWritten) {
482 _out << headerLines.data();
483 }
484
485 _headerWritten = true;
486}
487
488// Stores Observation into Internal Array
489////////////////////////////////////////////////////////////////////////////
490void bncRinex::deepCopy(t_satObs obs) {
491 _obs.push_back(obs);
492}
493
494// Write One Epoch into the RINEX File
495////////////////////////////////////////////////////////////////////////////
496void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
497
498 // Select observations older than maxTime
499 // --------------------------------------
500 QList<t_satObs> obsList;
501 QMutableListIterator<t_satObs> mIt(_obs);
502 while (mIt.hasNext()) {
503 t_satObs obs = mIt.next();
504 if (obs._time < maxTime) {
505 obsList.push_back(obs);
506 mIt.remove();
507 }
508 }
509
510 // Easy Return
511 // -----------
512 if (obsList.isEmpty()) {
513 return;
514 }
515
516 // Time of Epoch
517 // -------------
518 const t_satObs& fObs = obsList.first();
519 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
520
521 // Close the file
522 // --------------
523 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
524 closeFile();
525 _headerWritten = false;
526 }
527
528 // Write RINEX Header
529 // ------------------
530 if (!_headerWritten) {
531 writeHeader(format, fObs._time);
532 }
533 if (!_headerWritten) {
534 return;
535 }
536
537 // Prepare structure t_rnxEpo
538 // --------------------------
539 t_rnxObsFile::t_rnxEpo rnxEpo;
540 rnxEpo.tt = fObs._time;
541
542 QListIterator<t_satObs> it(obsList);
543 while (it.hasNext()) {
544 const t_satObs& satObs = it.next();
545 t_rnxObsFile::t_rnxSat rnxSat;
546 rnxSat.prn = satObs._prn;
547
548 // Initialize all observations mentioned in skeleton header
549 // --------------------------------------------------------
550 char sys = rnxSat.prn.system();
551 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
552 QString type = _sklHeader.obsType(sys, iType);
553 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
554 rnxSat.obs[type] = rnxObs;
555 }
556
557 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
558 const t_frqObs* frqObs = satObs._obs[ii];
559 if (frqObs->_codeValid) {
560 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
561 t_rnxObsFile::t_rnxObs rnxObs;
562 rnxObs.value = frqObs->_code;
563 rnxSat.obs[type] = rnxObs;
564 }
565 if (frqObs->_phaseValid) {
566 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
567 t_rnxObsFile::t_rnxObs rnxObs;
568 rnxObs.value = frqObs->_phase;
569 if (frqObs->_slip) {
570 rnxObs.lli |= 1;
571 }
572 rnxSat.obs[type] = rnxObs;
573 }
574 if (frqObs->_dopplerValid) {
575 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
576 t_rnxObsFile::t_rnxObs rnxObs;
577 rnxObs.value = frqObs->_doppler;
578 rnxSat.obs[type] = rnxObs;
579 }
580 if (frqObs->_snrValid) {
581 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
582 t_rnxObsFile::t_rnxObs rnxObs;
583 rnxObs.value = frqObs->_snr;
584 rnxSat.obs[type] = rnxObs;
585 }
586 }
587
588
589 rnxEpo.rnxSat.push_back(rnxSat);
590 }
591
592 // Write the epoch
593 // ---------------
594 QByteArray outLines;
595 QTextStream outStream(&outLines);
596 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
597
598 _out << outLines.data();
599 _out.flush();
600}
601
602// Close the Old RINEX File
603////////////////////////////////////////////////////////////////////////////
604void bncRinex::closeFile() {
605
606 if (_header.version() == 3) {
607 _out << "> 4 1" << endl;
608 _out << "END OF FILE" << endl;
609 }
610 _out.close();
611 if (!_rnxScriptName.isEmpty()) {
612 qApp->thread()->wait(100);
613#ifdef WIN32
614 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
615#else
616 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
617#endif
618
619 }
620}
621
622// One Line in ASCII (Internal) Format
623////////////////////////////////////////////////////////////////////////////
624string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
625
626 ostringstream str;
627 str.setf(ios::showpoint | ios::fixed);
628
629 str << obs._prn.toString();
630
631 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
632 const t_frqObs* frqObs = obs._obs[ii];
633 if (frqObs->_codeValid) {
634 str << ' '
635 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
636 << right << setw(14) << setprecision(3) << frqObs->_code;
637 }
638 if (frqObs->_phaseValid) {
639 str << ' '
640 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
641 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
642 //<< right << setw(4) << frqObs->_slipCounter;
643 << right << setw(4) << frqObs->_lockTimeIndicator;
644 }
645 if (frqObs->_dopplerValid) {
646 str << ' '
647 << left << setw(3) << "D" + frqObs->_rnxType2ch << ' '
648 << right << setw(14) << setprecision(3) << frqObs->_doppler;
649 }
650 if (frqObs->_snrValid) {
651 str << ' '
652 << left << setw(3) << "S" + frqObs->_rnxType2ch << ' '
653 << right << setw(8) << setprecision(3) << frqObs->_snr;
654 }
655 if (frqObs->_lockTimeValid && outLockTime) {
656 str << ' '
657 << left << setw(3) << "T" + frqObs->_rnxType2ch << ' '
658 << right << setw(9) << setprecision(3) << frqObs->_lockTime;
659 }
660 }
661
662 return str.str();
663}
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