source: ntrip/branches/BNC_2.12/src/bncrinex.cpp@ 8663

Last change on this file since 8663 was 8663, checked in by stuerze, 7 years ago

minor changes reagarding skl filenames
File size: 18.6 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 statIDlength = _statID.size() -1;
343 QString ID = _statID.left(statIDlength);
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 if (!sklExt.isEmpty()) {
363 _sklName = path + ID + distStr + "." + sklExt;
364 }
365
366 if (_rnxV3) {
367 QString country;
368 QString monNum = "0";
369 QString recNum = "0";
370 QListIterator<QString> it(settings.value("mountPoints").toStringList());
371 while (it.hasNext()) {
372 QStringList hlp = it.next().split(" ");
373 if (hlp.size() < 7)
374 continue;
375 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
376 country = hlp[2];
377 }
378 }
379
380 path += ID.left(4) +
381 QString("%1").arg(monNum, 1, 10) +
382 QString("%1").arg(recNum, 1, 10) +
383 country +
384 "_S_" + // stream
385 QString("%1").arg(datTim.date().year()) +
386 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
387 hlpStr + // HMS_period
388 QString("%1").arg(_samplingRateStr) + // sampling rate
389 "_MO" + // mixed OBS
390 distStr +
391 ".rnx";
392 }
393 else {
394 path += ID.left(4) +
395 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
396 hlpStr + distStr + datTim.toString(".yyO");
397 }
398
399 _fName = path.toAscii();
400}
401
402// Write RINEX Header
403////////////////////////////////////////////////////////////////////////////
404void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
405
406 bncSettings settings;
407
408 // Set RINEX Version
409 // -----------------
410 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
411
412 // Open the Output File
413 // --------------------
414 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
415 floor(firstObsTime.gpssec()+0.5));
416
417 resolveFileName(datTimNom);
418
419 // Read Skeleton Header
420 // --------------------
421 if (readSkeleton()) {
422 _header.set(_sklHeader, intHeaderVers);
423 }
424 else {
425 if (_writeRinexFileOnlyWithSkl) {
426 return;
427 }
428 _header.setDefault(_statID, intHeaderVers);
429 }
430
431 // Append to existing file and return
432 // ----------------------------------
433 if ( QFile::exists(_fName) &&
434 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
435 _out.open(_fName.data(), ios::app);
436 _out.setf(ios::showpoint | ios::fixed);
437 _headerWritten = true;
438 _reconnectFlag = false;
439 }
440 else {
441 _out.open(_fName.data());
442 _addComments.clear();
443 }
444
445 _out.setf(ios::showpoint | ios::fixed);
446
447 // A Few Additional Comments
448 // -------------------------
449 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
450 if (_nmea == "yes") {
451 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
452 }
453
454 // Write the Header
455 // ----------------
456 QByteArray headerLines;
457 QTextStream outHlp(&headerLines);
458
459 QMap<QString, QString> txtMap;
460 txtMap["COMMENT"] = _addComments.join("\\n");
461
462 _header.setStartTime(firstObsTime);
463 _header.write(&outHlp, &txtMap);
464
465 outHlp.flush();
466
467 if (!_headerWritten) {
468 _out << headerLines.data();
469 }
470
471 _headerWritten = true;
472}
473
474// Stores Observation into Internal Array
475////////////////////////////////////////////////////////////////////////////
476void bncRinex::deepCopy(t_satObs obs) {
477 _obs.push_back(obs);
478}
479
480// Write One Epoch into the RINEX File
481////////////////////////////////////////////////////////////////////////////
482void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
483
484 // Select observations older than maxTime
485 // --------------------------------------
486 QList<t_satObs> obsList;
487 QMutableListIterator<t_satObs> mIt(_obs);
488 while (mIt.hasNext()) {
489 t_satObs obs = mIt.next();
490 if (obs._time < maxTime) {
491 obsList.push_back(obs);
492 mIt.remove();
493 }
494 }
495
496 // Easy Return
497 // -----------
498 if (obsList.isEmpty()) {
499 return;
500 }
501
502 // Time of Epoch
503 // -------------
504 const t_satObs& fObs = obsList.first();
505 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
506
507 // Close the file
508 // --------------
509 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
510 closeFile();
511 _headerWritten = false;
512 }
513
514 // Write RINEX Header
515 // ------------------
516 if (!_headerWritten) {
517 writeHeader(format, fObs._time);
518 }
519 if (!_headerWritten) {
520 return;
521 }
522
523 // Prepare structure t_rnxEpo
524 // --------------------------
525 t_rnxObsFile::t_rnxEpo rnxEpo;
526 rnxEpo.tt = fObs._time;
527
528 QListIterator<t_satObs> it(obsList);
529 while (it.hasNext()) {
530 const t_satObs& satObs = it.next();
531 t_rnxObsFile::t_rnxSat rnxSat;
532 rnxSat.prn = satObs._prn;
533
534 // Initialize all observations mentioned in skeleton header
535 // --------------------------------------------------------
536 char sys = rnxSat.prn.system();
537 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
538 QString type = _sklHeader.obsType(sys, iType);
539 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
540 rnxSat.obs[type] = rnxObs;
541 }
542
543 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
544 const t_frqObs* frqObs = satObs._obs[ii];
545 if (frqObs->_codeValid) {
546 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
547 t_rnxObsFile::t_rnxObs rnxObs;
548 rnxObs.value = frqObs->_code;
549 rnxSat.obs[type] = rnxObs;
550 }
551 if (frqObs->_phaseValid) {
552 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
553 t_rnxObsFile::t_rnxObs rnxObs;
554 rnxObs.value = frqObs->_phase;
555 if (frqObs->_slip) {
556 rnxObs.lli |= 1;
557 }
558 rnxSat.obs[type] = rnxObs;
559 }
560 if (frqObs->_dopplerValid) {
561 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
562 t_rnxObsFile::t_rnxObs rnxObs;
563 rnxObs.value = frqObs->_doppler;
564 rnxSat.obs[type] = rnxObs;
565 }
566 if (frqObs->_snrValid) {
567 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
568 t_rnxObsFile::t_rnxObs rnxObs;
569 rnxObs.value = frqObs->_snr;
570 rnxSat.obs[type] = rnxObs;
571 }
572 }
573
574
575 rnxEpo.rnxSat.push_back(rnxSat);
576 }
577
578 // Write the epoch
579 // ---------------
580 QByteArray outLines;
581 QTextStream outStream(&outLines);
582 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
583
584 _out << outLines.data();
585 _out.flush();
586}
587
588// Close the Old RINEX File
589////////////////////////////////////////////////////////////////////////////
590void bncRinex::closeFile() {
591
592 if (_header.version() == 3) {
593 _out << "> 4 1" << endl;
594 _out << "END OF FILE" << endl;
595 }
596 _out.close();
597 if (!_rnxScriptName.isEmpty()) {
598 qApp->thread()->wait(100);
599#ifdef WIN32
600 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
601#else
602 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
603#endif
604
605 }
606}
607
608// One Line in ASCII (Internal) Format
609////////////////////////////////////////////////////////////////////////////
610string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
611
612 ostringstream str;
613 str.setf(ios::showpoint | ios::fixed);
614
615 str << obs._prn.toString();
616
617 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
618 const t_frqObs* frqObs = obs._obs[ii];
619 if (frqObs->_codeValid) {
620 str << ' '
621 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
622 << right << setw(14) << setprecision(3) << frqObs->_code;
623 }
624 if (frqObs->_phaseValid) {
625 str << ' '
626 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
627 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
628 << right << setw(4) << frqObs->_slipCounter;
629 }
630 if (frqObs->_dopplerValid) {
631 str << ' '
632 << left << setw(3) << "D" + frqObs->_rnxType2ch << ' '
633 << right << setw(14) << setprecision(3) << frqObs->_doppler;
634 }
635 if (frqObs->_snrValid) {
636 str << ' '
637 << left << setw(3) << "S" + frqObs->_rnxType2ch << ' '
638 << right << setw(8) << setprecision(3) << frqObs->_snr;
639 }
640 if (frqObs->_lockTimeValid && outLockTime) {
641 str << ' '
642 << left << setw(3) << "T" + frqObs->_rnxType2ch << ' '
643 << right << setw(9) << setprecision(3) << frqObs->_lockTime;
644 }
645 }
646
647 return str.str();
648}
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