source: ntrip/trunk/BNC/bncrinex.cpp@ 546

Last change on this file since 546 was 546, checked in by mervart, 16 years ago

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File size: 18.3 KB
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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
46#include <QtCore>
47#include <QUrl>
48#include <QString>
49
50#include "bncrinex.h"
51#include "bncapp.h"
52#include "bncutils.h"
53#include "bncconst.h"
54#include "bnctabledlg.h"
55#include "bncgetthread.h"
56#include "RTCM3/rtcm3torinex.h"
57
58using namespace std;
59
60// Constructor
61////////////////////////////////////////////////////////////////////////////
62bncRinex::bncRinex(const QByteArray& statID, const QUrl& mountPoint,
63 const QByteArray& format, const QByteArray& latitude,
64 const QByteArray& longitude, const QByteArray& nmea) {
65 _statID = statID;
66 _mountPoint = mountPoint;
67 _format = format.left(6);
68 _latitude = latitude;
69 _longitude = longitude;
70 _nmea = nmea;
71 _headerWritten = false;
72 _reconnectFlag = false;
73
74 QSettings settings;
75 _rnxScriptName = settings.value("rnxScript").toString();
76 expandEnvVar(_rnxScriptName);
77
78 _pgmName = ((bncApp*)qApp)->bncVersion().leftJustified(20, ' ', true);
79#ifdef WIN32
80 _userName = QString("${USERNAME}");
81#else
82 _userName = QString("${USER}");
83#endif
84 expandEnvVar(_userName);
85 _userName = _userName.leftJustified(20, ' ', true);
86
87 if ( Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked) {
88 _rinexVers = 3;
89 }
90 else {
91 _rinexVers = 2;
92 }
93}
94
95// Destructor
96////////////////////////////////////////////////////////////////////////////
97bncRinex::~bncRinex() {
98 _out.close();
99}
100
101// Download Skeleton Header File
102////////////////////////////////////////////////////////////////////////////
103t_irc bncRinex::downloadSkeleton() {
104
105 t_irc irc = failure;
106
107 QStringList table;
108 bncTableDlg::getFullTable(_mountPoint.host(), _mountPoint.port(),
109 table, false);
110 QString net;
111 QStringListIterator it(table);
112 while (it.hasNext()) {
113 QString line = it.next();
114 if (line.indexOf("STR") == 0) {
115 QStringList tags = line.split(";");
116 if (tags.at(1) == _mountPoint.path().mid(1).toAscii()) {
117 net = tags.at(7);
118 break;
119 }
120 }
121 }
122 QString sklDir;
123 it.toFront();
124 while (it.hasNext()) {
125 QString line = it.next();
126 if (line.indexOf("NET") == 0) {
127 QStringList tags = line.split(";");
128 if (tags.at(1) == net) {
129 sklDir = tags.at(6).trimmed();
130 break;
131 }
132 }
133 }
134 if (!sklDir.isEmpty() && sklDir != "none") {
135 QUrl url(sklDir + "/" + _mountPoint.path().mid(1,4).toLower() + ".skl");
136 if (url.port() == -1) {
137 url.setPort(80);
138 }
139
140 const int timeOut = 10*1000;
141 QString msg;
142 QByteArray _latitude;
143 QByteArray _longitude;
144 QByteArray _nmea;
145 QTcpSocket* socket = bncGetThread::request(url, _latitude, _longitude, _nmea, timeOut, msg);
146
147 if (socket) {
148 _headerLines.clear();
149 bool firstLineRead = false;
150 while (true) {
151 if (socket->canReadLine()) {
152 irc = success;
153 QString line = socket->readLine();
154 line.chop(1);
155 if (line.indexOf("RINEX VERSION") != -1) {
156 if (_rinexVers == 3) {
157 _headerLines.append(" 3.00 OBSERVATION DATA"
158 " M (MIXED)"
159 " RINEX VERSION / TYPE");
160 }
161 else {
162 _headerLines.append(" 2.11 OBSERVATION DATA"
163 " M (MIXED)"
164 " RINEX VERSION / TYPE");
165 }
166 _headerLines.append("PGM / RUN BY / DATE");
167 firstLineRead = true;
168 }
169 else if (firstLineRead) {
170 if (line.indexOf("END OF HEADER") != -1) {
171 _headerLines.append("# / TYPES OF OBSERV");
172 if (_rinexVers == 2) {
173 _headerLines.append(
174 QString(" 1 1").leftJustified(60, ' ', true) +
175 "WAVELENGTH FACT L1/2");
176 }
177 _headerLines.append("TIME OF FIRST OBS");
178 _headerLines.append( line );
179 break;
180 }
181 else {
182 _headerLines.append( line );
183 }
184 }
185 }
186 else {
187 socket->waitForReadyRead(timeOut);
188 if (socket->bytesAvailable() > 0) {
189 continue;
190 }
191 else {
192 break;
193 }
194 }
195 }
196 delete socket;
197 }
198 }
199 return irc;
200}
201
202// Read Skeleton Header File
203////////////////////////////////////////////////////////////////////////////
204void bncRinex::readSkeleton() {
205
206 // Read the local file
207 // -------------------
208 QFile skl(_sklName);
209 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
210 _headerLines.clear();
211 QTextStream in(&skl);
212 while ( !in.atEnd() ) {
213 _headerLines.append( in.readLine() );
214 if (_headerLines.last().indexOf("END OF HEADER") != -1) {
215 break;
216 }
217 }
218 }
219
220 // Read downloaded file
221 // --------------------
222 else {
223 QDate currDate = QDate::currentDate();
224 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
225 if ( downloadSkeleton() == success) {
226 _skeletonDate = currDate;
227 }
228 }
229 }
230}
231
232// File Name according to RINEX Standards
233////////////////////////////////////////////////////////////////////////////
234void bncRinex::resolveFileName(const QDateTime& datTim) {
235
236 QSettings settings;
237 QString path = settings.value("rnxPath").toString();
238 expandEnvVar(path);
239
240 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
241 path += QDir::separator();
242 }
243
244 QString intStr = settings.value("rnxIntr").toString();
245 QString hlpStr;
246
247 QTime nextTime;
248 QDate nextDate;
249
250 int indHlp = intStr.indexOf("min");
251
252 if ( indHlp != -1) {
253 int step = intStr.left(indHlp-1).toInt();
254 char ch = 'A' + datTim.time().hour();
255 hlpStr = ch;
256 if (datTim.time().minute() >= 60-step) {
257 hlpStr += QString("%1").arg(60-step, 2, 10, QChar('0'));
258 if (datTim.time().hour() < 23) {
259 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
260 nextDate = datTim.date();
261 }
262 else {
263 nextTime.setHMS(0, 0, 0);
264 nextDate = datTim.date().addDays(1);
265 }
266 }
267 else {
268 for (int limit = step; limit <= 60-step; limit += step) {
269 if (datTim.time().minute() < limit) {
270 hlpStr += QString("%1").arg(limit-step, 2, 10, QChar('0'));
271 nextTime.setHMS(datTim.time().hour(), limit, 0);
272 nextDate = datTim.date();
273 break;
274 }
275 }
276 }
277 }
278 else if (intStr == "1 hour") {
279 char ch = 'A' + datTim.time().hour();
280 hlpStr = ch;
281 if (datTim.time().hour() < 23) {
282 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
283 nextDate = datTim.date();
284 }
285 else {
286 nextTime.setHMS(0, 0, 0);
287 nextDate = datTim.date().addDays(1);
288 }
289 }
290 else {
291 hlpStr = "0";
292 nextTime.setHMS(0, 0, 0);
293 nextDate = datTim.date().addDays(1);
294 }
295 _nextCloseEpoch = QDateTime(nextDate, nextTime);
296
297 QString ID4 = _statID.left(4);
298
299 // Check name conflict
300 // -------------------
301 QString distStr;
302 int num = 0;
303 QListIterator<QString> it(settings.value("mountPoints").toStringList());
304 while (it.hasNext()) {
305 QString mp = it.next();
306 if (mp.indexOf(ID4) != -1) {
307 ++num;
308 }
309 }
310 if (num > 1) {
311 distStr = "_" + _statID.mid(4);
312 }
313
314 QString sklExt = settings.value("rnxSkel").toString();
315 if (!sklExt.isEmpty()) {
316 _sklName = path + ID4 + distStr + "." + sklExt;
317 }
318
319 path += ID4 +
320 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
321 hlpStr + distStr + datTim.toString(".yyO");
322
323 _fName = path.toAscii();
324}
325
326// Write RINEX Header
327////////////////////////////////////////////////////////////////////////////
328void bncRinex::writeHeader(const QDateTime& datTim,
329 const QDateTime& datTimNom) {
330
331 QSettings settings;
332
333 // Open the Output File
334 // --------------------
335 resolveFileName(datTimNom);
336
337 // Append to existing file and return
338 // ----------------------------------
339 if ( QFile::exists(_fName) ) {
340 if (_reconnectFlag ||
341 Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
342 _out.open(_fName.data(), ios::app);
343 _out.setf(ios::showpoint | ios::fixed);
344 _headerWritten = true;
345 _reconnectFlag = false;
346 return;
347 }
348 }
349
350 _out.open(_fName.data());
351 _out.setf(ios::showpoint | ios::fixed);
352
353 // Copy Skeleton Header
354 // --------------------
355 readSkeleton();
356 if (_headerLines.size() > 0) {
357 QStringListIterator it(_headerLines);
358 while (it.hasNext()) {
359 QString line = it.next();
360 if (line.indexOf("PGM / RUN BY / DATE") != -1) {
361 QString hlp = QDate::currentDate().toString("dd-MMM-yyyy").leftJustified(20, ' ', true);
362 _out << _pgmName.toAscii().data() << _userName.toAscii().data()
363 << hlp.toAscii().data() << "PGM / RUN BY / DATE" << endl;
364 }
365 else if (line.indexOf("# / TYPES OF OBSERV") != -1) {
366 if (_rinexVers == 3) {
367 _out << "G 6 C1C L1C S1C C2P L2P S2P SYS / # / OBS TYPES" << endl;
368 _out << "R 6 C1C L1C S1C C2P L2P S2P SYS / # / OBS TYPES" << endl;
369 }
370 else {
371 _out << " 8 C1 C2 P1 P2 L1 L2 S1 S2"
372 " # / TYPES OF OBSERV" << endl;
373 }
374 }
375 else if (line.indexOf("TIME OF FIRST OBS") != -1) {
376 _out << datTim.toString(" yyyy MM dd"
377 " hh mm ss.zzz0000").toAscii().data();
378 _out << " TIME OF FIRST OBS" << endl;
379 QString hlp = (_format + QString(" %1").arg(_mountPoint.host() +
380 _mountPoint.path())).leftJustified(60, ' ', true);
381 _out << hlp.toAscii().data() << "COMMENT" << endl;
382 }
383 else {
384 _out << line.toAscii().data() << endl;
385 }
386 }
387 }
388
389 // Write Dummy Header
390 // ------------------
391 else {
392 double approxPos[3]; approxPos[0] = approxPos[1] = approxPos[2] = 0.0;
393 double antennaNEU[3]; antennaNEU[0] = antennaNEU[1] = antennaNEU[2] = 0.0;
394
395 if (_rinexVers == 3) {
396 _out << " 3.00 OBSERVATION DATA M (MIXED) RINEX VERSION / TYPE" << endl;
397 }
398 else {
399 _out << " 2.11 OBSERVATION DATA M (MIXED) RINEX VERSION / TYPE" << endl;
400 }
401 QString hlp = QDate::currentDate().toString("dd-MMM-yyyy").leftJustified(20, ' ', true);
402 _out << _pgmName.toAscii().data() << _userName.toAscii().data()
403 << hlp.toAscii().data() << "PGM / RUN BY / DATE" << endl;
404 _out.setf(ios::left);
405 _out << setw(60) << _statID.data() << "MARKER NAME" << endl;
406 _out << setw(60) << "unknown unknown" << "OBSERVER / AGENCY" << endl;
407 _out << setw(20) << "unknown"
408 << setw(20) << "unknown"
409 << setw(20) << "unknown" << "REC # / TYPE / VERS" << endl;
410 _out << setw(20) << "unknown"
411 << setw(20) << "unknown"
412 << setw(20) << " " << "ANT # / TYPE" << endl;
413 _out.unsetf(ios::left);
414 _out << setw(14) << setprecision(4) << approxPos[0]
415 << setw(14) << setprecision(4) << approxPos[1]
416 << setw(14) << setprecision(4) << approxPos[2]
417 << " " << "APPROX POSITION XYZ" << endl;
418 _out << setw(14) << setprecision(4) << antennaNEU[0]
419 << setw(14) << setprecision(4) << antennaNEU[1]
420 << setw(14) << setprecision(4) << antennaNEU[2]
421 << " " << "ANTENNA: DELTA H/E/N" << endl;
422 if (_rinexVers == 3) {
423 _out << "G 6 C1C L1C S1C C2P L2P S2P SYS / # / OBS TYPES" << endl;
424 _out << "R 6 C1C L1C S1C C2P L2P S2P SYS / # / OBS TYPES" << endl;
425
426 }
427 else {
428 _out << " 1 1 WAVELENGTH FACT L1/2" << endl;
429 _out << " 8 C1 C2 P1 P2 L1 L2 S1 S2 # / TYPES OF OBSERV" << endl;
430 }
431 _out << datTim.toString(" yyyy MM dd"
432 " hh mm ss.zzz0000").toAscii().data();
433 _out << " " << "TIME OF FIRST OBS" << endl;
434 hlp = (_format + QString(" %1").arg(_mountPoint.host() +
435 _mountPoint.path())).leftJustified(60, ' ', true);
436 _out << hlp.toAscii().data() << "COMMENT" << endl;
437
438 if (_nmea == "yes") {
439 hlp = ("NMEA LAT=" + _latitude + " " + "LONG=" + _longitude).leftJustified(60, ' ',true);
440 _out << hlp.toAscii().data() << "COMMENT" << endl; }
441
442 _out << " END OF HEADER" << endl;
443 }
444
445 _headerWritten = true;
446}
447
448// Stores Observation into Internal Array
449////////////////////////////////////////////////////////////////////////////
450void bncRinex::deepCopy(const Observation* obs) {
451 Observation* newObs = new Observation();
452 memcpy(newObs, obs, sizeof(*obs));
453 _obs.push_back(newObs);
454}
455
456// Write One Epoch into the RINEX File
457////////////////////////////////////////////////////////////////////////////
458void bncRinex::dumpEpoch(long maxTime) {
459
460 // Select observations older than maxTime
461 // --------------------------------------
462 QList<Observation*> dumpList;
463 QMutableListIterator<Observation*> mIt(_obs);
464 while (mIt.hasNext()) {
465 Observation* ob = mIt.next();
466 if (ob->GPSWeek * 7*24*3600 + ob->GPSWeeks < maxTime - 0.05) {
467 dumpList.push_back(ob);
468 mIt.remove();
469 }
470 }
471
472 // Easy Return
473 // -----------
474 if (dumpList.isEmpty()) {
475 return;
476 }
477
478 // Time of Epoch
479 // -------------
480 Observation* fObs = *dumpList.begin();
481 QDateTime datTim = dateAndTimeFromGPSweek(fObs->GPSWeek, fObs->GPSWeeks);
482 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs->GPSWeek,
483 floor(fObs->GPSWeeks+0.5));
484
485 // Close the file
486 // --------------
487 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
488 closeFile();
489 _headerWritten = false;
490 }
491
492 // Write RINEX Header
493 // ------------------
494 if (!_headerWritten) {
495 writeHeader(datTim, datTimNom);
496 }
497
498 double sec = double(datTim.time().second()) + fmod(fObs->GPSWeeks,1.0);
499
500 // RINEX Version 3
501 // ---------------
502 if (_rinexVers == 3) {
503 _out << datTim.toString("> yyyy MM dd hh mm ").toAscii().data()
504 << setw(10) << setprecision(7) << sec
505 << " " << 0 << setw(3) << dumpList.size() << endl;
506
507 QListIterator<Observation*> it(dumpList);
508 while (it.hasNext()) {
509 Observation* ob = it.next();
510 _out << ob->satSys
511 << setw(2) << setfill('0') << ob->satNum << setfill(' ')
512 << setw(14) << setprecision(3) << ob->C1 << " "
513 << setw(14) << setprecision(3) << ob->L1 << " "
514 << setw(1) << ob->SNR1
515 << setw(14) << setprecision(3) << ob->S1 << " "
516 << setw(14) << setprecision(3) << ob->P2 << " "
517 << setw(14) << setprecision(3) << ob->L2 << " "
518 << setw(1) << ob->SNR2
519 << setw(14) << setprecision(3) << ob->S2
520 << endl;
521 delete ob;
522 }
523 }
524
525 // RINEX Version 2
526 // ---------------
527 else {
528 _out << datTim.toString(" yy MM dd hh mm ").toAscii().data()
529 << setw(10) << setprecision(7) << sec
530 << " " << 0 << setw(3) << dumpList.size();
531
532 QListIterator<Observation*> it(dumpList); int iSat = 0;
533 while (it.hasNext()) {
534 iSat++;
535 Observation* ob = it.next();
536 _out << ob->satSys << setw(2) << ob->satNum;
537 if (iSat == 12 && it.hasNext()) {
538 _out << endl << " ";
539 iSat = 0;
540 }
541 }
542 _out << endl;
543
544 it.toFront();
545 while (it.hasNext()) {
546 Observation* ob = it.next();
547
548 char lli = ' ';
549 char snr = ' ';
550 _out << setw(14) << setprecision(3) << ob->C1 << lli << snr;
551 _out << setw(14) << setprecision(3) << ob->C2 << lli << snr;
552 _out << setw(14) << setprecision(3) << ob->P1 << lli << snr;
553 _out << setw(14) << setprecision(3) << ob->P2 << lli << snr;
554 _out << setw(14) << setprecision(3) << ob->L1 << lli
555 << setw(1) << ob->SNR1 << endl;
556 _out << setw(14) << setprecision(3) << ob->L2 << lli
557 << setw(1) << ob->SNR2;
558 _out << setw(14) << setprecision(3) << ob->S1 ;
559 _out << setw(16) << setprecision(3) << ob->S2 ;
560 _out << endl;
561
562 delete ob;
563 }
564 }
565
566 _out.flush();
567}
568
569// Close the Old RINEX File
570////////////////////////////////////////////////////////////////////////////
571void bncRinex::closeFile() {
572 QMutexLocker locker(&_mutex);
573 _out.close();
574 if (!_rnxScriptName.isEmpty()) {
575
576#ifdef WIN32
577 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
578#else
579 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
580#endif
581
582 }
583}
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