source: ntrip/trunk/BNC/src/bncrinex.cpp@ 8664

Last change on this file since 8664 was 8664, checked in by stuerze, 5 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).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 statIDlength = _statID.size() -1;
344 QString ID = _statID.left(statIDlength);
345 ID = ID.toUpper();
346
347 // Check name conflict
348 // -------------------
349 QString distStr;
350 int num = 0;
351 QListIterator<QString> it(settings.value("mountPoints").toStringList());
352 while (it.hasNext()) {
353 QString mp = it.next();
354 if (mp.indexOf(_statID.left(statIDlength)) != -1) {
355 ++num;
356 }
357 }
358 if (num > 1) {
359 distStr = "_" + _statID.right(1);
360 }
361
362 QString sklExt = settings.value("rnxSkel").toString();
363 if (!sklExt.isEmpty()) {
364 _sklName = path + ID + distStr + "." + sklExt;
365 }
366
367 if (_rnxV3) {
368 QString country;
369 QString monNum = "0";
370 QString recNum = "0";
371 QListIterator<QString> it(settings.value("mountPoints").toStringList());
372 while (it.hasNext()) {
373 QStringList hlp = it.next().split(" ");
374 if (hlp.size() < 7)
375 continue;
376 if (hlp.join(" ").indexOf(_statID, 0) != -1) {
377 country = hlp[2];
378 }
379 }
380
381 path += ID.left(4) +
382 QString("%1").arg(monNum, 1, 10) +
383 QString("%1").arg(recNum, 1, 10) +
384 country +
385 "_S_" + // stream
386 QString("%1").arg(datTim.date().year()) +
387 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
388 hlpStr + // HMS_period
389 QString("%1").arg(_samplingRateStr) + // sampling rate
390 "_MO" + // mixed OBS
391 distStr +
392 ".rnx";
393 }
394 else {
395 path += ID.left(4) +
396 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
397 hlpStr + distStr + datTim.toString(".yyO");
398 }
399
400 _fName = path.toLatin1();
401}
402
403// Write RINEX Header
404////////////////////////////////////////////////////////////////////////////
405void bncRinex::writeHeader(const QByteArray& format, const bncTime& firstObsTime) {
406
407 bncSettings settings;
408
409 // Set RINEX Version
410 // -----------------
411 int intHeaderVers = (Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked ? 3 : 2);
412
413 // Open the Output File
414 // --------------------
415 QDateTime datTimNom = dateAndTimeFromGPSweek(firstObsTime.gpsw(),
416 floor(firstObsTime.gpssec()+0.5));
417
418 resolveFileName(datTimNom);
419
420 // Read Skeleton Header
421 // --------------------
422 if (readSkeleton()) {
423 _header.set(_sklHeader, intHeaderVers);
424 }
425 else {
426 if (_writeRinexFileOnlyWithSkl) {
427 return;
428 }
429 _header.setDefault(_statID, intHeaderVers);
430 }
431
432 // Append to existing file and return
433 // ----------------------------------
434 if ( QFile::exists(_fName) &&
435 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
436 _out.open(_fName.data(), ios::app);
437 _out.setf(ios::showpoint | ios::fixed);
438 _headerWritten = true;
439 _reconnectFlag = false;
440 }
441 else {
442 _out.open(_fName.data());
443 _addComments.clear();
444 }
445
446 _out.setf(ios::showpoint | ios::fixed);
447
448 // A Few Additional Comments
449 // -------------------------
450 _addComments << format.left(6) + " " + _mountPoint.host() + _mountPoint.path();
451 if (_nmea == "yes") {
452 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
453 }
454
455 // Write the Header
456 // ----------------
457 QByteArray headerLines;
458 QTextStream outHlp(&headerLines);
459
460 QMap<QString, QString> txtMap;
461 txtMap["COMMENT"] = _addComments.join("\\n");
462
463 _header.setStartTime(firstObsTime);
464 _header.write(&outHlp, &txtMap);
465
466 outHlp.flush();
467
468 if (!_headerWritten) {
469 _out << headerLines.data();
470 }
471
472 _headerWritten = true;
473}
474
475// Stores Observation into Internal Array
476////////////////////////////////////////////////////////////////////////////
477void bncRinex::deepCopy(t_satObs obs) {
478 _obs.push_back(obs);
479}
480
481// Write One Epoch into the RINEX File
482////////////////////////////////////////////////////////////////////////////
483void bncRinex::dumpEpoch(const QByteArray& format, const bncTime& maxTime) {
484
485 // Select observations older than maxTime
486 // --------------------------------------
487 QList<t_satObs> obsList;
488 QMutableListIterator<t_satObs> mIt(_obs);
489 while (mIt.hasNext()) {
490 t_satObs obs = mIt.next();
491 if (obs._time < maxTime) {
492 obsList.push_back(obs);
493 mIt.remove();
494 }
495 }
496
497 // Easy Return
498 // -----------
499 if (obsList.isEmpty()) {
500 return;
501 }
502
503 // Time of Epoch
504 // -------------
505 const t_satObs& fObs = obsList.first();
506 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
507
508 // Close the file
509 // --------------
510 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
511 closeFile();
512 _headerWritten = false;
513 }
514
515 // Write RINEX Header
516 // ------------------
517 if (!_headerWritten) {
518 writeHeader(format, fObs._time);
519 }
520 if (!_headerWritten) {
521 return;
522 }
523
524 // Prepare structure t_rnxEpo
525 // --------------------------
526 t_rnxObsFile::t_rnxEpo rnxEpo;
527 rnxEpo.tt = fObs._time;
528
529 QListIterator<t_satObs> it(obsList);
530 while (it.hasNext()) {
531 const t_satObs& satObs = it.next();
532 t_rnxObsFile::t_rnxSat rnxSat;
533 rnxSat.prn = satObs._prn;
534
535 // Initialize all observations mentioned in skeleton header
536 // --------------------------------------------------------
537 char sys = rnxSat.prn.system();
538 for (int iType = 0; iType < _sklHeader.nTypes(sys); iType++) {
539 QString type = _sklHeader.obsType(sys, iType);
540 t_rnxObsFile::t_rnxObs rnxObs; // create an empty observation
541 rnxSat.obs[type] = rnxObs;
542 }
543
544 for (unsigned ii = 0; ii < satObs._obs.size(); ii++) {
545 const t_frqObs* frqObs = satObs._obs[ii];
546 if (frqObs->_codeValid) {
547 QString type = 'C' + QString(frqObs->_rnxType2ch.c_str());
548 t_rnxObsFile::t_rnxObs rnxObs;
549 rnxObs.value = frqObs->_code;
550 rnxSat.obs[type] = rnxObs;
551 }
552 if (frqObs->_phaseValid) {
553 QString type = 'L' + QString(frqObs->_rnxType2ch.c_str());
554 t_rnxObsFile::t_rnxObs rnxObs;
555 rnxObs.value = frqObs->_phase;
556 if (frqObs->_slip) {
557 rnxObs.lli |= 1;
558 }
559 rnxSat.obs[type] = rnxObs;
560 }
561 if (frqObs->_dopplerValid) {
562 QString type = 'D' + QString(frqObs->_rnxType2ch.c_str());
563 t_rnxObsFile::t_rnxObs rnxObs;
564 rnxObs.value = frqObs->_doppler;
565 rnxSat.obs[type] = rnxObs;
566 }
567 if (frqObs->_snrValid) {
568 QString type = 'S' + QString(frqObs->_rnxType2ch.c_str());
569 t_rnxObsFile::t_rnxObs rnxObs;
570 rnxObs.value = frqObs->_snr;
571 rnxSat.obs[type] = rnxObs;
572 }
573 }
574
575
576 rnxEpo.rnxSat.push_back(rnxSat);
577 }
578
579 // Write the epoch
580 // ---------------
581 QByteArray outLines;
582 QTextStream outStream(&outLines);
583 t_rnxObsFile::writeEpoch(&outStream, _header, &rnxEpo);
584
585 _out << outLines.data();
586 _out.flush();
587}
588
589// Close the Old RINEX File
590////////////////////////////////////////////////////////////////////////////
591void bncRinex::closeFile() {
592
593 if (_header.version() == 3) {
594 _out << "> 4 1" << endl;
595 _out << "END OF FILE" << endl;
596 }
597 _out.close();
598 if (!_rnxScriptName.isEmpty()) {
599 qApp->thread()->wait(100);
600#ifdef WIN32
601 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
602#else
603 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
604#endif
605
606 }
607}
608
609// One Line in ASCII (Internal) Format
610////////////////////////////////////////////////////////////////////////////
611string bncRinex::asciiSatLine(const t_satObs& obs, bool outLockTime) {
612
613 ostringstream str;
614 str.setf(ios::showpoint | ios::fixed);
615
616 str << obs._prn.toString();
617
618 for (unsigned ii = 0; ii < obs._obs.size(); ii++) {
619 const t_frqObs* frqObs = obs._obs[ii];
620 if (frqObs->_codeValid) {
621 str << ' '
622 << left << setw(3) << "C" + frqObs->_rnxType2ch << ' '
623 << right << setw(14) << setprecision(3) << frqObs->_code;
624 }
625 if (frqObs->_phaseValid) {
626 str << ' '
627 << left << setw(3) << "L" + frqObs->_rnxType2ch << ' '
628 << right << setw(14) << setprecision(3) << frqObs->_phase << ' '
629 << right << setw(4) << frqObs->_slipCounter;
630 }
631 if (frqObs->_dopplerValid) {
632 str << ' '
633 << left << setw(3) << "D" + frqObs->_rnxType2ch << ' '
634 << right << setw(14) << setprecision(3) << frqObs->_doppler;
635 }
636 if (frqObs->_snrValid) {
637 str << ' '
638 << left << setw(3) << "S" + frqObs->_rnxType2ch << ' '
639 << right << setw(8) << setprecision(3) << frqObs->_snr;
640 }
641 if (frqObs->_lockTimeValid && outLockTime) {
642 str << ' '
643 << left << setw(3) << "T" + frqObs->_rnxType2ch << ' '
644 << right << setw(9) << setprecision(3) << frqObs->_lockTime;
645 }
646 }
647
648 return str.str();
649}
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