source: ntrip/trunk/BNC/src/bncrinex.cpp@ 8795

Last change on this file since 8795 was 8792, checked in by stuerze, 5 years ago

minor changes for correct marker and receiver numbers in rinex v3 file names

File size: 18.9 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(_sklName);
220 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
221 QTextStream in(&skl);
222 if (_sklHeader.read(&in) == success) {
223 readDone = true;
224 }
225 }
226
227 // Read downloaded file
228 // --------------------
229 else if ( _ntripVersion != "N" && _ntripVersion != "UN" &&
230 _ntripVersion != "S" ) {
231 QDate currDate = currentDateAndTimeGPS().date();
232 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
233 if (downloadSkeleton() == success) {
234 readDone = true;
235 _skeletonDate = currDate;
236 }
237 } else if (_skeletonDate.isValid()) {
238 readDone = true;
239 }
240 }
241 return readDone;
242}
243
244// Next File Epoch (static)
245////////////////////////////////////////////////////////////////////////////
246QString bncRinex::nextEpochStr(const QDateTime& datTim,
247 const QString& intStr, bool rnxV3,
248 QDateTime* nextEpoch) {
249
250 QString epoStr = "";
251
252 QTime nextTime;
253 QDate nextDate;
254
255 int indHlp = intStr.indexOf("min");
256
257 if ( indHlp != -1) {
258 int step = intStr.left(indHlp-1).toInt();
259 if (rnxV3) {
260 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
261 } else {
262 epoStr += 'A' + datTim.time().hour();
263 }
264
265 if (datTim.time().minute() >= 60-step) {
266 epoStr += QString("%1").arg(60-step, 2, 10, QChar('0')); // M
267 if (datTim.time().hour() < 23) {
268 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
269 nextDate = datTim.date();
270 }
271 else {
272 nextTime.setHMS(0, 0, 0);
273 nextDate = datTim.date().addDays(1);
274 }
275 }
276 else {
277 for (int limit = step; limit <= 60-step; limit += step) {
278 if (datTim.time().minute() < limit) {
279 epoStr += QString("%1").arg(limit-step, 2, 10, QChar('0')); // M
280 nextTime.setHMS(datTim.time().hour(), limit, 0);
281 nextDate = datTim.date();
282 break;
283 }
284 }
285 }
286 if (rnxV3) {
287 epoStr += QString("_%1M").arg(step, 2, 10, QChar('0')); // period
288 }
289 }
290 else if (intStr == "1 hour") {
291 int step = intStr.left(indHlp-1).toInt();
292 if (rnxV3) {
293 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
294 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
295 epoStr += QString("_%1H").arg(step+1, 2, 10, QChar('0')); // period
296 } else {
297 epoStr += 'A' + datTim.time().hour();
298 }
299 if (datTim.time().hour() < 23) {
300 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
301 nextDate = datTim.date();
302 }
303 else {
304 nextTime.setHMS(0, 0, 0);
305 nextDate = datTim.date().addDays(1);
306 }
307 }
308 else {
309 int step = intStr.left(indHlp-1).toInt();
310 if (rnxV3) {
311 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // H
312 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
313 epoStr += QString("_%1D").arg(step+1, 2, 10, QChar('0')); // period
314 } else {
315 epoStr = "0";
316 }
317 nextTime.setHMS(0, 0, 0);
318 nextDate = datTim.date().addDays(1);
319 }
320
321 if (nextEpoch) {
322 *nextEpoch = QDateTime(nextDate, nextTime);
323 }
324
325 return epoStr;
326}
327
328// File Name according to RINEX Standards
329////////////////////////////////////////////////////////////////////////////
330void bncRinex::resolveFileName(const QDateTime& datTim) {
331
332 bncSettings settings;
333 QString path = settings.value("rnxPath").toString();
334 expandEnvVar(path);
335
336 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
337 path += QDir::separator();
338 }
339
340 QString hlpStr = nextEpochStr(datTim, settings.value("rnxIntr").toString(),
341 _rnxV3, &_nextCloseEpoch);
342
343 int n = _statID.size();
344 int statIDlength;
345 if (n > 9) {
346 statIDlength = 9; // rnx3
347 }
348 else if (n > 4) {
349 statIDlength = 4; // rnx2
350 }
351 else {
352 statIDlength = n;
353 }
354 QString ID = _statID.left(statIDlength);
355 ID = ID.toUpper();
356
357 // Check name conflict
358 // -------------------
359 QString distStr;
360 int num = 0;
361 QListIterator<QString> it(settings.value("mountPoints").toStringList());
362 while (it.hasNext()) {
363 QString mp = it.next();
364 if (mp.indexOf(_statID.left(statIDlength)) != -1) {
365 ++num;
366 }
367 }
368 if (num > 1) {
369 distStr = "_" + _statID.right(1);
370 }
371
372 QString sklExt = settings.value("rnxSkel").toString();
373 if (!sklExt.isEmpty()) {
374 _sklName = path + ID + distStr + "." + sklExt;
375 }
376
377 if (_rnxV3) {
378 QString country;
379 QString monNum = "0";
380 QString recNum = "0";
381 if (statIDlength == 9) {
382 monNum = QChar(_statID[4]);
383 recNum = QChar(_statID[5]);
384 }
385 QListIterator<QString> it(settings.value("mountPoints").toStringList());
386 while (it.hasNext()) {
387 QStringList hlp = it.next().split(" ");
388 if (hlp.size() < 7)
389 continue;
390 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
391 country = hlp[2].left(3);
392 }
393 }
394
395 path += ID.left(4) +
396 QString("%1").arg(monNum, 1, 10) +
397 QString("%1").arg(recNum, 1, 10) +
398 country +
399 "_S_" + // stream
400 QString("%1").arg(datTim.date().year()) +
401 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
402 hlpStr + // HMS_period
403 QString("%1").arg(_samplingRateStr) + // sampling rate
404 "_MO" + // mixed OBS
405 distStr +
406 ".rnx";
407 }
408 else {
409 path += ID.left(4) +
410 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
411 hlpStr + distStr + datTim.toString(".yyO");
412 }
413
414 _fName = path.toLatin1();
415}
416
417// Write RINEX Header
418////////////////////////////////////////////////////////////////////////////
419void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
420
421 bncSettings settings;
422
423 // Set RINEX Version
424 // -----------------
425 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
426
427 // Open the Output File
428 // --------------------
429 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
430 floor(firstObsTime.gpssec()+0.5));
431
432 resolveFileName(datTimNom);
433
434 // Read Skeleton Header
435 // --------------------
436 if (readSkeleton()) {
437 _header.set(_sklHeader, intHeaderVers);
438 }
439 else {
440 if (_writeRinexFileOnlyWithSkl) {
441 return;
442 }
443 _header.setDefault(_statID, intHeaderVers);
444 }
445
446 // Append to existing file and return
447 // ----------------------------------
448 if ( QFile::exists(_fName) &&
449 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
450 _out.open(_fName.data(), ios::app);
451 _out.setf(ios::showpoint | ios::fixed);
452 _headerWritten = true;
453 _reconnectFlag = false;
454 }
455 else {
456 _out.open(_fName.data());
457 _addComments.clear();
458 }
459
460 _out.setf(ios::showpoint | ios::fixed);
461
462 // A Few Additional Comments
463 // -------------------------
464 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
465 if (_nmea == "yes") {
466 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
467 }
468
469 // Write the Header
470 // ----------------
471 QByteArray headerLines;
472 QTextStream outHlp(&headerLines);
473
474 QMap<QString, QString> txtMap;
475 txtMap["COMMENT"] = _addComments.join("\\n");
476
477 _header.setStartTime(firstObsTime);
478 _header.write(&outHlp, &txtMap);
479
480 outHlp.flush();
481
482 if (!_headerWritten) {
483 _out << headerLines.data();
484 }
485
486 _headerWritten = true;
487}
488
489// Stores Observation into Internal Array
490////////////////////////////////////////////////////////////////////////////
491void bncRinex::deepCopy(t_satObs obs) {
492 _obs.push_back(obs);
493}
494
495// Write One Epoch into the RINEX File
496////////////////////////////////////////////////////////////////////////////
497void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
498
499 // Select observations older than maxTime
500 // --------------------------------------
501 QList<t_satObs> obsList;
502 QMutableListIterator<t_satObs> mIt(_obs);
503 while (mIt.hasNext()) {
504 t_satObs obs = mIt.next();
505 if (obs._time < maxTime) {
506 obsList.push_back(obs);
507 mIt.remove();
508 }
509 }
510
511 // Easy Return
512 // -----------
513 if (obsList.isEmpty()) {
514 return;
515 }
516
517 // Time of Epoch
518 // -------------
519 const t_satObs& fObs = obsList.first();
520 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
521
522 // Close the file
523 // --------------
524 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
525 closeFile();
526 _headerWritten = false;
527 }
528
529 // Write RINEX Header
530 // ------------------
531 if (!_headerWritten) {
532 writeHeader(format, fObs._time);
533 }
534 if (!_headerWritten) {
535 return;
536 }
537
538 // Prepare structure t_rnxEpo
539 // --------------------------
540 t_rnxObsFile::t_rnxEpo rnxEpo;
541 rnxEpo.tt = fObs._time;
542
543 QListIterator<t_satObs> it(obsList);
544 while (it.hasNext()) {
545 const t_satObs& satObs = it.next();
546 t_rnxObsFile::t_rnxSat rnxSat;
547 rnxSat.prn = satObs._prn;
548
549 // Initialize all observations mentioned in skeleton header
550 // --------------------------------------------------------
551 char sys = rnxSat.prn.system();
552 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
553 QString type = _sklHeader.obsType(sys, iType);
554 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
555 rnxSat.obs[type] = rnxObs;
556 }
557
558 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
559 const t_frqObs* frqObs = satObs._obs[ii];
560 if (frqObs->_codeValid) {
561 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
562 t_rnxObsFile::t_rnxObs rnxObs;
563 rnxObs.value = frqObs->_code;
564 rnxSat.obs[type] = rnxObs;
565 }
566 if (frqObs->_phaseValid) {
567 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
568 t_rnxObsFile::t_rnxObs rnxObs;
569 rnxObs.value = frqObs->_phase;
570 if (frqObs->_slip) {
571 rnxObs.lli |= 1;
572 }
573 rnxSat.obs[type] = rnxObs;
574 }
575 if (frqObs->_dopplerValid) {
576 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
577 t_rnxObsFile::t_rnxObs rnxObs;
578 rnxObs.value = frqObs->_doppler;
579 rnxSat.obs[type] = rnxObs;
580 }
581 if (frqObs->_snrValid) {
582 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
583 t_rnxObsFile::t_rnxObs rnxObs;
584 rnxObs.value = frqObs->_snr;
585 rnxSat.obs[type] = rnxObs;
586 }
587 }
588
589
590 rnxEpo.rnxSat.push_back(rnxSat);
591 }
592
593 // Write the epoch
594 // ---------------
595 QByteArray outLines;
596 QTextStream outStream(&outLines);
597 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
598
599 _out << outLines.data();
600 _out.flush();
601}
602
603// Close the Old RINEX File
604////////////////////////////////////////////////////////////////////////////
605void bncRinex::closeFile() {
606
607 if (_header.version() == 3) {
608 _out << "> 4 1" << endl;
609 _out << "END OF FILE" << endl;
610 }
611 _out.close();
612 if (!_rnxScriptName.isEmpty()) {
613 qApp->thread()->wait(100);
614#ifdef WIN32
615 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
616#else
617 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
618#endif
619
620 }
621}
622
623// One Line in ASCII (Internal) Format
624////////////////////////////////////////////////////////////////////////////
625string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
626
627 ostringstream str;
628 str.setf(ios::showpoint | ios::fixed);
629
630 str << obs._prn.toString();
631
632 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
633 const t_frqObs* frqObs = obs._obs[ii];
634 if (frqObs->_codeValid) {
635 str << ' '
636 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
637 << right << setw(14) << setprecision(3) << frqObs->_code;
638 }
639 if (frqObs->_phaseValid) {
640 str << ' '
641 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
642 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
643 << right << setw(4) << frqObs->_slipCounter;
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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