source: ntrip/trunk/BNC/src/bncrinex.cpp@ 9027

Last change on this file since 9027 was 8936, checked in by stuerze, 5 years ago

minor changes to allow/check for local skl files that have lower and upper cases in the basename
File size: 19.2 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).toLatin1()) {
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
205 delete query;
206 }
207
208 return irc;
209}
210
211// Read Skeleton Header File
212////////////////////////////////////////////////////////////////////////////
213bool bncRinex::readSkeleton() {
214
215 bool readDone = false;
216
217 // Read the local file
218 // -------------------
219 QFile skl(_localSklName), sklAlt(_localSklNameAlternative);
220 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
221 QTextStream in(&skl);
222 if (_sklHeader.read(&in) == success) {
223 readDone = true;
224 }
225 } else if ( sklAlt.exists() && sklAlt.open(QIODevice::ReadOnly) ) {
226 QTextStream in(&sklAlt);
227 if (_sklHeader.read(&in) == success) {
228 readDone = true;
229 }
230 }
231
232 // Read downloaded file
233 // --------------------
234 else if ( _ntripVersion != "N" && _ntripVersion != "UN" &&
235 _ntripVersion != "S" ) {
236 QDate currDate = currentDateAndTimeGPS().date();
237 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
238 if (downloadSkeleton() == success) {
239 readDone = true;
240 _skeletonDate = currDate;
241 }
242 } else if (_skeletonDate.isValid()) {
243 readDone = true;
244 }
245 }
246 return readDone;
247}
248
249// Next File Epoch (static)
250////////////////////////////////////////////////////////////////////////////
251QString bncRinex::nextEpochStr(const QDateTime& datTim,
252 const QString& intStr, bool rnxV3,
253 QDateTime* nextEpoch) {
254
255 QString epoStr = "";
256
257 QTime nextTime;
258 QDate nextDate;
259
260 int indHlp = intStr.indexOf("min");
261
262 if ( indHlp != -1) {
263 int step = intStr.left(indHlp-1).toInt();
264 if (rnxV3) {
265 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
266 } else {
267 epoStr += 'A' + datTim.time().hour();
268 }
269
270 if (datTim.time().minute() >= 60-step) {
271 epoStr += QString("%1").arg(60-step, 2, 10, QChar('0')); // M
272 if (datTim.time().hour() < 23) {
273 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
274 nextDate = datTim.date();
275 }
276 else {
277 nextTime.setHMS(0, 0, 0);
278 nextDate = datTim.date().addDays(1);
279 }
280 }
281 else {
282 for (int limit = step; limit <= 60-step; limit += step) {
283 if (datTim.time().minute() < limit) {
284 epoStr += QString("%1").arg(limit-step, 2, 10, QChar('0')); // M
285 nextTime.setHMS(datTim.time().hour(), limit, 0);
286 nextDate = datTim.date();
287 break;
288 }
289 }
290 }
291 if (rnxV3) {
292 epoStr += QString("_%1M").arg(step, 2, 10, QChar('0')); // period
293 }
294 }
295 else if (intStr == "1 hour") {
296 int step = intStr.left(indHlp-1).toInt();
297 if (rnxV3) {
298 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
299 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
300 epoStr += QString("_%1H").arg(step+1, 2, 10, QChar('0')); // period
301 } else {
302 epoStr += 'A' + datTim.time().hour();
303 }
304 if (datTim.time().hour() < 23) {
305 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
306 nextDate = datTim.date();
307 }
308 else {
309 nextTime.setHMS(0, 0, 0);
310 nextDate = datTim.date().addDays(1);
311 }
312 }
313 else {
314 int step = intStr.left(indHlp-1).toInt();
315 if (rnxV3) {
316 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // H
317 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
318 epoStr += QString("_%1D").arg(step+1, 2, 10, QChar('0')); // period
319 } else {
320 epoStr = "0";
321 }
322 nextTime.setHMS(0, 0, 0);
323 nextDate = datTim.date().addDays(1);
324 }
325
326 if (nextEpoch) {
327 *nextEpoch = QDateTime(nextDate, nextTime);
328 }
329
330 return epoStr;
331}
332
333// File Name according to RINEX Standards
334////////////////////////////////////////////////////////////////////////////
335void bncRinex::resolveFileName(const QDateTime& datTim) {
336
337 bncSettings settings;
338 QString path = settings.value("rnxPath").toString();
339 expandEnvVar(path);
340
341 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
342 path += QDir::separator();
343 }
344
345 QString hlpStr = nextEpochStr(datTim, settings.value("rnxIntr").toString(),
346 _rnxV3, &_nextCloseEpoch);
347
348 int n = _statID.size();
349 int statIDlength;
350 if (n > 9) {
351 statIDlength = 9; // rnx3
352 }
353 else if (n > 4) {
354 statIDlength = 4; // rnx2
355 }
356 else {
357 statIDlength = n;
358 }
359 QString ID = _statID.left(statIDlength);
360 ID = ID.toUpper();
361
362 // Check name conflict
363 // -------------------
364 QString distStr;
365 int num = 0;
366 QListIterator<QString> it(settings.value("mountPoints").toStringList());
367 while (it.hasNext()) {
368 QString mp = it.next();
369 if (mp.indexOf(_statID.left(statIDlength)) != -1) {
370 ++num;
371 }
372 }
373 if (num > 1) {
374 distStr = "_" + _statID.right(1);
375 }
376
377 QString sklExt = settings.value("rnxSkel").toString();
378 if (!sklExt.isEmpty()) {
379 _localSklName = path + ID + distStr + "." + sklExt;
380 _localSklNameAlternative = path + ID.toLower() + distStr + "." + sklExt;
381 }
382
383 if (_rnxV3) {
384 QString country;
385 QString monNum = "0";
386 QString recNum = "0";
387 if (statIDlength == 9) {
388 monNum = QChar(_statID[4]);
389 recNum = QChar(_statID[5]);
390 }
391 QListIterator<QString> it(settings.value("mountPoints").toStringList());
392 while (it.hasNext()) {
393 QStringList hlp = it.next().split(" ");
394 if (hlp.size() < 7)
395 continue;
396 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
397 country = hlp[2].left(3);
398 }
399 }
400
401 path += ID.left(4) +
402 QString("%1").arg(monNum, 1, 10) +
403 QString("%1").arg(recNum, 1, 10) +
404 country +
405 "_S_" + // stream
406 QString("%1").arg(datTim.date().year()) +
407 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
408 hlpStr + // HMS_period
409 QString("%1").arg(_samplingRateStr) + // sampling rate
410 "_MO" + // mixed OBS
411 distStr +
412 ".rnx";
413 }
414 else {
415 path += ID.left(4) +
416 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
417 hlpStr + distStr + datTim.toString(".yyO");
418 }
419
420 _fName = path.toLatin1();
421}
422
423// Write RINEX Header
424////////////////////////////////////////////////////////////////////////////
425void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
426
427 bncSettings settings;
428
429 // Set RINEX Version
430 // -----------------
431 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
432
433 // Open the Output File
434 // --------------------
435 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
436 floor(firstObsTime.gpssec()+0.5));
437
438 resolveFileName(datTimNom);
439
440 // Read Skeleton Header
441 // --------------------
442 if (readSkeleton()) {
443 _header.set(_sklHeader, intHeaderVers);
444 }
445 else {
446 if (_writeRinexFileOnlyWithSkl) {
447 return;
448 }
449 _header.setDefault(_statID, intHeaderVers);
450 }
451
452 // Append to existing file and return
453 // ----------------------------------
454 if ( QFile::exists(_fName) &&
455 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
456 _out.open(_fName.data(), ios::app);
457 _out.setf(ios::showpoint | ios::fixed);
458 _headerWritten = true;
459 _reconnectFlag = false;
460 }
461 else {
462 _out.open(_fName.data());
463 _addComments.clear();
464 }
465
466 _out.setf(ios::showpoint | ios::fixed);
467
468 // A Few Additional Comments
469 // -------------------------
470 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
471 if (_nmea == "yes") {
472 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
473 }
474
475 // Write the Header
476 // ----------------
477 QByteArray headerLines;
478 QTextStream outHlp(&headerLines);
479
480 QMap<QString, QString> txtMap;
481 txtMap["COMMENT"] = _addComments.join("\\n");
482
483 _header.setStartTime(firstObsTime);
484 _header.write(&outHlp, &txtMap);
485
486 outHlp.flush();
487
488 if (!_headerWritten) {
489 _out << headerLines.data();
490 }
491
492 _headerWritten = true;
493}
494
495// Stores Observation into Internal Array
496////////////////////////////////////////////////////////////////////////////
497void bncRinex::deepCopy(t_satObs obs) {
498 _obs.push_back(obs);
499}
500
501// Write One Epoch into the RINEX File
502////////////////////////////////////////////////////////////////////////////
503void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
504
505 // Select observations older than maxTime
506 // --------------------------------------
507 QList<t_satObs> obsList;
508 QMutableListIterator<t_satObs> mIt(_obs);
509 while (mIt.hasNext()) {
510 t_satObs obs = mIt.next();
511 if (obs._time < maxTime) {
512 obsList.push_back(obs);
513 mIt.remove();
514 }
515 }
516
517 // Easy Return
518 // -----------
519 if (obsList.isEmpty()) {
520 return;
521 }
522
523 // Time of Epoch
524 // -------------
525 const t_satObs& fObs = obsList.first();
526 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
527
528 // Close the file
529 // --------------
530 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
531 closeFile();
532 _headerWritten = false;
533 }
534
535 // Write RINEX Header
536 // ------------------
537 if (!_headerWritten) {
538 writeHeader(format, fObs._time);
539 }
540 if (!_headerWritten) {
541 return;
542 }
543
544 // Prepare structure t_rnxEpo
545 // --------------------------
546 t_rnxObsFile::t_rnxEpo rnxEpo;
547 rnxEpo.tt = fObs._time;
548
549 QListIterator<t_satObs> it(obsList);
550 while (it.hasNext()) {
551 const t_satObs& satObs = it.next();
552 t_rnxObsFile::t_rnxSat rnxSat;
553 rnxSat.prn = satObs._prn;
554
555 // Initialize all observations mentioned in skeleton header
556 // --------------------------------------------------------
557 char sys = rnxSat.prn.system();
558 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
559 QString type = _sklHeader.obsType(sys, iType);
560 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
561 rnxSat.obs[type] = rnxObs;
562 }
563
564 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
565 const t_frqObs* frqObs = satObs._obs[ii];
566 if (frqObs->_codeValid) {
567 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
568 t_rnxObsFile::t_rnxObs rnxObs;
569 rnxObs.value = frqObs->_code;
570 rnxSat.obs[type] = rnxObs;
571 }
572 if (frqObs->_phaseValid) {
573 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
574 t_rnxObsFile::t_rnxObs rnxObs;
575 rnxObs.value = frqObs->_phase;
576 if (frqObs->_slip) {
577 rnxObs.lli |= 1;
578 }
579 rnxSat.obs[type] = rnxObs;
580 }
581 if (frqObs->_dopplerValid) {
582 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
583 t_rnxObsFile::t_rnxObs rnxObs;
584 rnxObs.value = frqObs->_doppler;
585 rnxSat.obs[type] = rnxObs;
586 }
587 if (frqObs->_snrValid) {
588 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
589 t_rnxObsFile::t_rnxObs rnxObs;
590 rnxObs.value = frqObs->_snr;
591 rnxSat.obs[type] = rnxObs;
592 }
593 }
594
595
596 rnxEpo.rnxSat.push_back(rnxSat);
597 }
598
599 // Write the epoch
600 // ---------------
601 QByteArray outLines;
602 QTextStream outStream(&outLines);
603 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
604
605 _out << outLines.data();
606 _out.flush();
607}
608
609// Close the Old RINEX File
610////////////////////////////////////////////////////////////////////////////
611void bncRinex::closeFile() {
612
613 if (_header.version() == 3) {
614 _out << "> 4 1" << endl;
615 _out << "END OF FILE" << endl;
616 }
617 _out.close();
618 if (!_rnxScriptName.isEmpty()) {
619 qApp->thread()->wait(100);
620#ifdef WIN32
621 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
622#else
623 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
624#endif
625
626 }
627}
628
629// One Line in ASCII (Internal) Format
630////////////////////////////////////////////////////////////////////////////
631string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
632
633 ostringstream str;
634 str.setf(ios::showpoint | ios::fixed);
635
636 str << obs._prn.toString();
637
638 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
639 const t_frqObs* frqObs = obs._obs[ii];
640 if (frqObs->_codeValid) {
641 str << ' '
642 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
643 << right << setw(14) << setprecision(3) << frqObs->_code;
644 }
645 if (frqObs->_phaseValid) {
646 str << ' '
647 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
648 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
649 << right << setw(4) << frqObs->_slipCounter;
650 }
651 if (frqObs->_dopplerValid) {
652 str << ' '
653 << left << setw(3) << "D" + frqObs->_rnxType2ch << ' '
654 << right << setw(14) << setprecision(3) << frqObs->_doppler;
655 }
656 if (frqObs->_snrValid) {
657 str << ' '
658 << left << setw(3) << "S" + frqObs->_rnxType2ch << ' '
659 << right << setw(8) << setprecision(3) << frqObs->_snr;
660 }
661 if (frqObs->_lockTimeValid && outLockTime) {
662 str << ' '
663 << left << setw(3) << "T" + frqObs->_rnxType2ch << ' '
664 << right << setw(9) << setprecision(3) << frqObs->_lockTime;
665 }
666 }
667
668 return str.str();
669}
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