source: ntrip/trunk/BNC/src/bncrinex.cpp@ 8661

Last change on this file since 8661 was 8661, checked in by stuerze, 5 years ago

minor changes reagarding skl filenames
File size: 18.2 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;
173 int stIdLength = _mountPoint.path().length()-2;
174 staID = _mountPoint.path().mid(1,stIdLength).toUpper() + ".skl";
175 QUrl url(sklDir + staID);
176 if (url.port() == -1) {
177 if (sklDir.contains("https", Qt::CaseInsensitive)) {
178 url.setPort(443);
179 }
180 else {
181 url.setPort(80);
182 }
183 }
184
185 bncNetQuery* query = new bncNetQueryV2(true);
186 QByteArray outData;
187 query->waitForRequestResult(url, outData);
188 if (query->status() == bncNetQuery::finished &&
189 outData.contains("END OF HEADER")) {
190 QTextStream in(outData);
191 irc = _sklHeader.read(&in);
192 }
193
194 delete query;
195 }
196
197 return irc;
198}
199
200// Read Skeleton Header File
201////////////////////////////////////////////////////////////////////////////
202bool bncRinex::readSkeleton() {
203
204 bool readDone = false;
205
206 // Read the local file
207 // -------------------
208 QFile skl(_sklName);
209 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
210 QTextStream in(&skl);
211 if (_sklHeader.read(&in) == success) {
212 readDone = true;
213 }
214 }
215
216 // Read downloaded file
217 // --------------------
218 else if ( _ntripVersion != "N" && _ntripVersion != "UN" &&
219 _ntripVersion != "S" ) {
220 QDate currDate = currentDateAndTimeGPS().date();
221 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
222 if (downloadSkeleton() == success) {
223 readDone = true;
224 _skeletonDate = currDate;
225 }
226 } else if (_skeletonDate.isValid()) {
227 readDone = true;
228 }
229 }
230 return readDone;
231}
232
233// Next File Epoch (static)
234////////////////////////////////////////////////////////////////////////////
235QString bncRinex::nextEpochStr(const QDateTime& datTim,
236 const QString& intStr, bool rnxV3,
237 QDateTime* nextEpoch) {
238
239 QString epoStr = "";
240
241 QTime nextTime;
242 QDate nextDate;
243
244 int indHlp = intStr.indexOf("min");
245
246 if ( indHlp != -1) {
247 int step = intStr.left(indHlp-1).toInt();
248 if (rnxV3) {
249 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
250 } else {
251 epoStr += 'A' + datTim.time().hour();
252 }
253
254 if (datTim.time().minute() >= 60-step) {
255 epoStr += QString("%1").arg(60-step, 2, 10, QChar('0')); // M
256 if (datTim.time().hour() < 23) {
257 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
258 nextDate = datTim.date();
259 }
260 else {
261 nextTime.setHMS(0, 0, 0);
262 nextDate = datTim.date().addDays(1);
263 }
264 }
265 else {
266 for (int limit = step; limit <= 60-step; limit += step) {
267 if (datTim.time().minute() < limit) {
268 epoStr += QString("%1").arg(limit-step, 2, 10, QChar('0')); // M
269 nextTime.setHMS(datTim.time().hour(), limit, 0);
270 nextDate = datTim.date();
271 break;
272 }
273 }
274 }
275 if (rnxV3) {
276 epoStr += QString("_%1M").arg(step, 2, 10, QChar('0')); // period
277 }
278 }
279 else if (intStr == "1 hour") {
280 int step = intStr.left(indHlp-1).toInt();
281 if (rnxV3) {
282 epoStr += QString("%1").arg(datTim.time().hour(), 2, 10, QChar('0')); // H
283 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
284 epoStr += QString("_%1H").arg(step+1, 2, 10, QChar('0')); // period
285 } else {
286 epoStr += 'A' + datTim.time().hour();
287 }
288 if (datTim.time().hour() < 23) {
289 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
290 nextDate = datTim.date();
291 }
292 else {
293 nextTime.setHMS(0, 0, 0);
294 nextDate = datTim.date().addDays(1);
295 }
296 }
297 else {
298 int step = intStr.left(indHlp-1).toInt();
299 if (rnxV3) {
300 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // H
301 epoStr += QString("%1").arg(0, 2, 10, QChar('0')); // M
302 epoStr += QString("_%1D").arg(step+1, 2, 10, QChar('0')); // period
303 } else {
304 epoStr = "0";
305 }
306 nextTime.setHMS(0, 0, 0);
307 nextDate = datTim.date().addDays(1);
308 }
309
310 if (nextEpoch) {
311 *nextEpoch = QDateTime(nextDate, nextTime);
312 }
313
314 return epoStr;
315}
316
317// File Name according to RINEX Standards
318////////////////////////////////////////////////////////////////////////////
319void bncRinex::resolveFileName(const QDateTime& datTim) {
320
321 bncSettings settings;
322 QString path = settings.value("rnxPath").toString();
323 expandEnvVar(path);
324
325 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
326 path += QDir::separator();
327 }
328
329 QString hlpStr = nextEpochStr(datTim, settings.value("rnxIntr").toString(),
330 _rnxV3, &_nextCloseEpoch);
331
332 int statIDlength = _statID.size() -1;
333 QString ID = _statID.left(statIDlength);
334 ID = ID.toUpper();
335
336 // Check name conflict
337 // -------------------
338 QString distStr;
339 int num = 0;
340 QListIterator<QString> it(settings.value("mountPoints").toStringList());
341 while (it.hasNext()) {
342 QString mp = it.next();
343 if (mp.indexOf(_statID.left(statIDlength)) != -1) {
344 ++num;
345 }
346 }
347 if (num > 1) {
348 distStr = "_" + _statID.right(1);
349 }
350
351 QString sklExt = settings.value("rnxSkel").toString();
352 if (!sklExt.isEmpty()) {
353 _sklName = path + ID + distStr + "." + sklExt;
354 }
355
356 if (_rnxV3) {
357 QString country;
358 QString monNum = "0";
359 QString recNum = "0";
360 QListIterator<QString> it(settings.value("mountPoints").toStringList());
361 while (it.hasNext()) {
362 QStringList hlp = it.next().split(" ");
363 if (hlp.size() < 7)
364 continue;
365 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
366 country = hlp[2];
367 }
368 }
369
370 path += ID.left(4) +
371 QString("%1").arg(monNum, 1, 10) +
372 QString("%1").arg(recNum, 1, 10) +
373 country +
374 "_S_" + // stream
375 QString("%1").arg(datTim.date().year()) +
376 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
377 hlpStr + // HMS_period
378 QString("%1").arg(_samplingRateStr) + // sampling rate
379 "_MO" + // mixed OBS
380 distStr +
381 ".rnx";
382 }
383 else {
384 path += ID.left(4) +
385 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
386 hlpStr + distStr + datTim.toString(".yyO");
387 }
388
389 _fName = path.toLatin1();
390}
391
392// Write RINEX Header
393////////////////////////////////////////////////////////////////////////////
394void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
395
396 bncSettings settings;
397
398 // Set RINEX Version
399 // -----------------
400 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
401
402 // Open the Output File
403 // --------------------
404 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
405 floor(firstObsTime.gpssec()+0.5));
406
407 resolveFileName(datTimNom);
408
409 // Read Skeleton Header
410 // --------------------
411 if (readSkeleton()) {
412 _header.set(_sklHeader, intHeaderVers);
413 }
414 else {
415 if (_writeRinexFileOnlyWithSkl) {
416 return;
417 }
418 _header.setDefault(_statID, intHeaderVers);
419 }
420
421 // Append to existing file and return
422 // ----------------------------------
423 if ( QFile::exists(_fName) &&
424 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
425 _out.open(_fName.data(), ios::app);
426 _out.setf(ios::showpoint | ios::fixed);
427 _headerWritten = true;
428 _reconnectFlag = false;
429 }
430 else {
431 _out.open(_fName.data());
432 _addComments.clear();
433 }
434
435 _out.setf(ios::showpoint | ios::fixed);
436
437 // A Few Additional Comments
438 // -------------------------
439 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
440 if (_nmea == "yes") {
441 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
442 }
443
444 // Write the Header
445 // ----------------
446 QByteArray headerLines;
447 QTextStream outHlp(&headerLines);
448
449 QMap<QString, QString> txtMap;
450 txtMap["COMMENT"] = _addComments.join("\\n");
451
452 _header.setStartTime(firstObsTime);
453 _header.write(&outHlp, &txtMap);
454
455 outHlp.flush();
456
457 if (!_headerWritten) {
458 _out << headerLines.data();
459 }
460
461 _headerWritten = true;
462}
463
464// Stores Observation into Internal Array
465////////////////////////////////////////////////////////////////////////////
466void bncRinex::deepCopy(t_satObs obs) {
467 _obs.push_back(obs);
468}
469
470// Write One Epoch into the RINEX File
471////////////////////////////////////////////////////////////////////////////
472void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
473
474 // Select observations older than maxTime
475 // --------------------------------------
476 QList<t_satObs> obsList;
477 QMutableListIterator<t_satObs> mIt(_obs);
478 while (mIt.hasNext()) {
479 t_satObs obs = mIt.next();
480 if (obs._time < maxTime) {
481 obsList.push_back(obs);
482 mIt.remove();
483 }
484 }
485
486 // Easy Return
487 // -----------
488 if (obsList.isEmpty()) {
489 return;
490 }
491
492 // Time of Epoch
493 // -------------
494 const t_satObs& fObs = obsList.first();
495 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
496
497 // Close the file
498 // --------------
499 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
500 closeFile();
501 _headerWritten = false;
502 }
503
504 // Write RINEX Header
505 // ------------------
506 if (!_headerWritten) {
507 writeHeader(format, fObs._time);
508 }
509 if (!_headerWritten) {
510 return;
511 }
512
513 // Prepare structure t_rnxEpo
514 // --------------------------
515 t_rnxObsFile::t_rnxEpo rnxEpo;
516 rnxEpo.tt = fObs._time;
517
518 QListIterator<t_satObs> it(obsList);
519 while (it.hasNext()) {
520 const t_satObs& satObs = it.next();
521 t_rnxObsFile::t_rnxSat rnxSat;
522 rnxSat.prn = satObs._prn;
523
524 // Initialize all observations mentioned in skeleton header
525 // --------------------------------------------------------
526 char sys = rnxSat.prn.system();
527 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
528 QString type = _sklHeader.obsType(sys, iType);
529 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
530 rnxSat.obs[type] = rnxObs;
531 }
532
533 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
534 const t_frqObs* frqObs = satObs._obs[ii];
535 if (frqObs->_codeValid) {
536 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
537 t_rnxObsFile::t_rnxObs rnxObs;
538 rnxObs.value = frqObs->_code;
539 rnxSat.obs[type] = rnxObs;
540 }
541 if (frqObs->_phaseValid) {
542 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
543 t_rnxObsFile::t_rnxObs rnxObs;
544 rnxObs.value = frqObs->_phase;
545 if (frqObs->_slip) {
546 rnxObs.lli |= 1;
547 }
548 rnxSat.obs[type] = rnxObs;
549 }
550 if (frqObs->_dopplerValid) {
551 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
552 t_rnxObsFile::t_rnxObs rnxObs;
553 rnxObs.value = frqObs->_doppler;
554 rnxSat.obs[type] = rnxObs;
555 }
556 if (frqObs->_snrValid) {
557 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
558 t_rnxObsFile::t_rnxObs rnxObs;
559 rnxObs.value = frqObs->_snr;
560 rnxSat.obs[type] = rnxObs;
561 }
562 }
563
564
565 rnxEpo.rnxSat.push_back(rnxSat);
566 }
567
568 // Write the epoch
569 // ---------------
570 QByteArray outLines;
571 QTextStream outStream(&outLines);
572 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
573
574 _out << outLines.data();
575 _out.flush();
576}
577
578// Close the Old RINEX File
579////////////////////////////////////////////////////////////////////////////
580void bncRinex::closeFile() {
581
582 if (_header.version() == 3) {
583 _out << "> 4 1" << endl;
584 _out << "END OF FILE" << endl;
585 }
586 _out.close();
587 if (!_rnxScriptName.isEmpty()) {
588 qApp->thread()->wait(100);
589#ifdef WIN32
590 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
591#else
592 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
593#endif
594
595 }
596}
597
598// One Line in ASCII (Internal) Format
599////////////////////////////////////////////////////////////////////////////
600string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
601
602 ostringstream str;
603 str.setf(ios::showpoint | ios::fixed);
604
605 str << obs._prn.toString();
606
607 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
608 const t_frqObs* frqObs = obs._obs[ii];
609 if (frqObs->_codeValid) {
610 str << ' '
611 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
612 << right << setw(14) << setprecision(3) << frqObs->_code;
613 }
614 if (frqObs->_phaseValid) {
615 str << ' '
616 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
617 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
618 << right << setw(4) << frqObs->_slipCounter;
619 }
620 if (frqObs->_dopplerValid) {
621 str << ' '
622 << left << setw(3) << "D" + frqObs->_rnxType2ch << ' '
623 << right << setw(14) << setprecision(3) << frqObs->_doppler;
624 }
625 if (frqObs->_snrValid) {
626 str << ' '
627 << left << setw(3) << "S" + frqObs->_rnxType2ch << ' '
628 << right << setw(8) << setprecision(3) << frqObs->_snr;
629 }
630 if (frqObs->_lockTimeValid && outLockTime) {
631 str << ' '
632 << left << setw(3) << "T" + frqObs->_rnxType2ch << ' '
633 << right << setw(9) << setprecision(3) << frqObs->_lockTime;
634 }
635 }
636
637 return str.str();
638}
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