source: ntrip/trunk/BNC/src/bncrinex.cpp@ 8653

Last change on this file since 8653 was 8644, checked in by stuerze, 6 years ago

minor changes

File size: 18.5 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 mtp;
173 if (_rnxV3) {
174 mtp = _mountPoint.path().mid(1,9).toUpper() + ".skl";
175 }
176 else {
177 mtp = _mountPoint.path().mid(1,4).toLower() + ".skl";
178 }
179 QUrl url(sklDir + "/" + mtp);
180 if (url.port() == -1) {
181 if (sklDir.contains("https", Qt::CaseInsensitive)) {
182 url.setPort(443);
183 }
184 else {
185 url.setPort(80);
186 }
187 }
188
189 bncNetQuery* query = new bncNetQueryV2(true);
190 QByteArray outData;
191 query->waitForRequestResult(url, outData);
192 if (query->status() == bncNetQuery::finished &&
193 outData.contains("END OF HEADER")) {
194 QTextStream in(outData);
195 irc = _sklHeader.read(&in);
196 }
197
198 delete query;
199 }
200
201 return irc;
202}
203
204// Read Skeleton Header File
205////////////////////////////////////////////////////////////////////////////
206bool bncRinex::readSkeleton() {
207
208 bool readDone = false;
209
210 // Read the local file
211 // -------------------
212 QFile skl(_sklName);
213 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
214 QTextStream in(&skl);
215 if (_sklHeader.read(&in) == success) {
216 readDone = true;
217 }
218 }
219
220 // Read downloaded file
221 // --------------------
222 else if ( _ntripVersion != "N" && _ntripVersion != "UN" &&
223 _ntripVersion != "S" ) {
224 QDate currDate = currentDateAndTimeGPS().date();
225 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
226 if (downloadSkeleton() == success) {
227 readDone = true;
228 _skeletonDate = currDate;
229 }
230 } else if (_skeletonDate.isValid()) {
231 readDone = true;
232 }
233 }
234 return readDone;
235}
236
237// Next File Epoch (static)
238////////////////////////////////////////////////////////////////////////////
239QString bncRinex::nextEpochStr(const QDateTime& datTim,
240 const QString& intStr, bool rnxV3,
241 QDateTime* nextEpoch) {
242
243 QString epoStr = "";
244
245 QTime nextTime;
246 QDate nextDate;
247
248 int indHlp = intStr.indexOf("min");
249
250 if ( indHlp != -1) {
251 int step = intStr.left(indHlp-1).toInt();
252 if (rnxV3) {
253 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
254 } else {
255 epoStr += 'A' + datTim.time().hour();
256 }
257
258 if (datTim.time().minute() >= 60-step) {
259 epoStr += QString("%1").arg(60-step, 2, 10, QChar('0')); // M
260 if (datTim.time().hour() < 23) {
261 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
262 nextDate = datTim.date();
263 }
264 else {
265 nextTime.setHMS(0, 0, 0);
266 nextDate = datTim.date().addDays(1);
267 }
268 }
269 else {
270 for (int limit = step; limit <= 60-step; limit += step) {
271 if (datTim.time().minute() < limit) {
272 epoStr += QString("%1").arg(limit-step, 2, 10, QChar('0')); // M
273 nextTime.setHMS(datTim.time().hour(), limit, 0);
274 nextDate = datTim.date();
275 break;
276 }
277 }
278 }
279 if (rnxV3) {
280 epoStr += QString("_%1M").arg(step, 2, 10, QChar('0')); // period
281 }
282 }
283 else if (intStr == "1 hour") {
284 int step = intStr.left(indHlp-1).toInt();
285 if (rnxV3) {
286 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
287 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
288 epoStr += QString("_%1H").arg(step+1, 2, 10, QChar('0')); // period
289 } else {
290 epoStr += 'A' + datTim.time().hour();
291 }
292 if (datTim.time().hour() < 23) {
293 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
294 nextDate = datTim.date();
295 }
296 else {
297 nextTime.setHMS(0, 0, 0);
298 nextDate = datTim.date().addDays(1);
299 }
300 }
301 else {
302 int step = intStr.left(indHlp-1).toInt();
303 if (rnxV3) {
304 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // H
305 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
306 epoStr += QString("_%1D").arg(step+1, 2, 10, QChar('0')); // period
307 } else {
308 epoStr = "0";
309 }
310 nextTime.setHMS(0, 0, 0);
311 nextDate = datTim.date().addDays(1);
312 }
313
314 if (nextEpoch) {
315 *nextEpoch = QDateTime(nextDate, nextTime);
316 }
317
318 return epoStr;
319}
320
321// File Name according to RINEX Standards
322////////////////////////////////////////////////////////////////////////////
323void bncRinex::resolveFileName(const QDateTime& datTim) {
324
325 bncSettings settings;
326 QString path = settings.value("rnxPath").toString();
327 expandEnvVar(path);
328
329 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
330 path += QDir::separator();
331 }
332
333 QString hlpStr = nextEpochStr(datTim, settings.value("rnxIntr").toString(),
334 _rnxV3, &_nextCloseEpoch);
335
336 int statIDlength = _statID.size() -1;
337 QString ID;
338 if (_rnxV3) {
339 ID = _statID.left(9);
340 }
341 else {
342 ID = _statID.left(4);
343 }
344 ID = ID.toUpper();
345
346 // Check name conflict
347 // -------------------
348 QString distStr;
349 int num = 0;
350 QListIterator<QString> it(settings.value("mountPoints").toStringList());
351 while (it.hasNext()) {
352 QString mp = it.next();
353 if (mp.indexOf(_statID.left(statIDlength)) != -1) {
354 ++num;
355 }
356 }
357 if (num > 1) {
358 distStr = "_" + _statID.right(1);
359 }
360
361 QString sklExt = settings.value("rnxSkel").toString();
362 QString sklPre;
363 if (!sklExt.isEmpty()) {
364 if (sklExt.indexOf("skl",0, Qt::CaseSensitive) != -1) {
365 sklPre = ID.toLower();
366 } else if (sklExt.indexOf("SKL",0, Qt::CaseSensitive) != -1) {
367 sklPre = ID;
368 }
369 _sklName = path + sklPre + distStr + "." + sklExt;
370 }
371
372 if (_rnxV3) {
373 QString country;
374 QString monNum = "0";
375 QString recNum = "0";
376 QListIterator<QString> it(settings.value("mountPoints").toStringList());
377 while (it.hasNext()) {
378 QStringList hlp = it.next().split(" ");
379 if (hlp.size() < 7)
380 continue;
381 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
382 country = hlp[2];
383 }
384 }
385
386 path += ID.left(4) +
387 QString("%1").arg(monNum, 1, 10) +
388 QString("%1").arg(recNum, 1, 10) +
389 country +
390 "_S_" + // stream
391 QString("%1").arg(datTim.date().year()) +
392 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
393 hlpStr + // HMS_period
394 QString("%1").arg(_samplingRateStr) + // sampling rate
395 "_MO" + // mixed OBS
396 distStr +
397 ".rnx";
398 }
399 else {
400 path += ID.left(4) +
401 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
402 hlpStr + distStr + datTim.toString(".yyO");
403 }
404
405 _fName = path.toLatin1();
406}
407
408// Write RINEX Header
409////////////////////////////////////////////////////////////////////////////
410void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
411
412 bncSettings settings;
413
414 // Set RINEX Version
415 // -----------------
416 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
417
418 // Open the Output File
419 // --------------------
420 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
421 floor(firstObsTime.gpssec()+0.5));
422
423 resolveFileName(datTimNom);
424
425 // Read Skeleton Header
426 // --------------------
427 if (readSkeleton()) {
428 _header.set(_sklHeader, intHeaderVers);
429 }
430 else {
431 if (_writeRinexFileOnlyWithSkl) {
432 return;
433 }
434 _header.setDefault(_statID, intHeaderVers);
435 }
436
437 // Append to existing file and return
438 // ----------------------------------
439 if ( QFile::exists(_fName) &&
440 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
441 _out.open(_fName.data(), ios::app);
442 _out.setf(ios::showpoint | ios::fixed);
443 _headerWritten = true;
444 _reconnectFlag = false;
445 }
446 else {
447 _out.open(_fName.data());
448 _addComments.clear();
449 }
450
451 _out.setf(ios::showpoint | ios::fixed);
452
453 // A Few Additional Comments
454 // -------------------------
455 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
456 if (_nmea == "yes") {
457 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
458 }
459
460 // Write the Header
461 // ----------------
462 QByteArray headerLines;
463 QTextStream outHlp(&headerLines);
464
465 QMap<QString, QString> txtMap;
466 txtMap["COMMENT"] = _addComments.join("\\n");
467
468 _header.setStartTime(firstObsTime);
469 _header.write(&outHlp, &txtMap);
470
471 outHlp.flush();
472
473 if (!_headerWritten) {
474 _out << headerLines.data();
475 }
476
477 _headerWritten = true;
478}
479
480// Stores Observation into Internal Array
481////////////////////////////////////////////////////////////////////////////
482void bncRinex::deepCopy(t_satObs obs) {
483 _obs.push_back(obs);
484}
485
486// Write One Epoch into the RINEX File
487////////////////////////////////////////////////////////////////////////////
488void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
489
490 // Select observations older than maxTime
491 // --------------------------------------
492 QList<t_satObs> obsList;
493 QMutableListIterator<t_satObs> mIt(_obs);
494 while (mIt.hasNext()) {
495 t_satObs obs = mIt.next();
496 if (obs._time < maxTime) {
497 obsList.push_back(obs);
498 mIt.remove();
499 }
500 }
501
502 // Easy Return
503 // -----------
504 if (obsList.isEmpty()) {
505 return;
506 }
507
508 // Time of Epoch
509 // -------------
510 const t_satObs& fObs = obsList.first();
511 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
512
513 // Close the file
514 // --------------
515 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
516 closeFile();
517 _headerWritten = false;
518 }
519
520 // Write RINEX Header
521 // ------------------
522 if (!_headerWritten) {
523 writeHeader(format, fObs._time);
524 }
525 if (!_headerWritten) {
526 return;
527 }
528
529 // Prepare structure t_rnxEpo
530 // --------------------------
531 t_rnxObsFile::t_rnxEpo rnxEpo;
532 rnxEpo.tt = fObs._time;
533
534 QListIterator<t_satObs> it(obsList);
535 while (it.hasNext()) {
536 const t_satObs& satObs = it.next();
537 t_rnxObsFile::t_rnxSat rnxSat;
538 rnxSat.prn = satObs._prn;
539
540 // Initialize all observations mentioned in skeleton header
541 // --------------------------------------------------------
542 char sys = rnxSat.prn.system();
543 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
544 QString type = _sklHeader.obsType(sys, iType);
545 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
546 rnxSat.obs[type] = rnxObs;
547 }
548
549 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
550 const t_frqObs* frqObs = satObs._obs[ii];
551 if (frqObs->_codeValid) {
552 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
553 t_rnxObsFile::t_rnxObs rnxObs;
554 rnxObs.value = frqObs->_code;
555 rnxSat.obs[type] = rnxObs;
556 }
557 if (frqObs->_phaseValid) {
558 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
559 t_rnxObsFile::t_rnxObs rnxObs;
560 rnxObs.value = frqObs->_phase;
561 if (frqObs->_slip) {
562 rnxObs.lli |= 1;
563 }
564 rnxSat.obs[type] = rnxObs;
565 }
566 if (frqObs->_dopplerValid) {
567 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
568 t_rnxObsFile::t_rnxObs rnxObs;
569 rnxObs.value = frqObs->_doppler;
570 rnxSat.obs[type] = rnxObs;
571 }
572 if (frqObs->_snrValid) {
573 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
574 t_rnxObsFile::t_rnxObs rnxObs;
575 rnxObs.value = frqObs->_snr;
576 rnxSat.obs[type] = rnxObs;
577 }
578 }
579
580
581 rnxEpo.rnxSat.push_back(rnxSat);
582 }
583
584 // Write the epoch
585 // ---------------
586 QByteArray outLines;
587 QTextStream outStream(&outLines);
588 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
589
590 _out << outLines.data();
591 _out.flush();
592}
593
594// Close the Old RINEX File
595////////////////////////////////////////////////////////////////////////////
596void bncRinex::closeFile() {
597
598 if (_header.version() == 3) {
599 _out << "> 4 1" << endl;
600 _out << "END OF FILE" << endl;
601 }
602 _out.close();
603 if (!_rnxScriptName.isEmpty()) {
604 qApp->thread()->wait(100);
605#ifdef WIN32
606 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
607#else
608 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
609#endif
610
611 }
612}
613
614// One Line in ASCII (Internal) Format
615////////////////////////////////////////////////////////////////////////////
616string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
617
618 ostringstream str;
619 str.setf(ios::showpoint | ios::fixed);
620
621 str << obs._prn.toString();
622
623 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
624 const t_frqObs* frqObs = obs._obs[ii];
625 if (frqObs->_codeValid) {
626 str << ' '
627 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
628 << right << setw(14) << setprecision(3) << frqObs->_code;
629 }
630 if (frqObs->_phaseValid) {
631 str << ' '
632 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
633 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
634 << right << setw(4) << frqObs->_slipCounter;
635 }
636 if (frqObs->_dopplerValid) {
637 str << ' '
638 << left << setw(3) << "D" + frqObs->_rnxType2ch << ' '
639 << right << setw(14) << setprecision(3) << frqObs->_doppler;
640 }
641 if (frqObs->_snrValid) {
642 str << ' '
643 << left << setw(3) << "S" + frqObs->_rnxType2ch << ' '
644 << right << setw(8) << setprecision(3) << frqObs->_snr;
645 }
646 if (frqObs->_lockTimeValid && outLockTime) {
647 str << ' '
648 << left << setw(3) << "T" + frqObs->_rnxType2ch << ' '
649 << right << setw(9) << setprecision(3) << frqObs->_lockTime;
650 }
651 }
652
653 return str.str();
654}
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