source: ntrip/trunk/BNC/bncgetthread.cpp@ 2386

Last change on this file since 2386 was 2386, checked in by mervart, 14 years ago

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File size: 20.3 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: bncGetThread
30 *
31 * Purpose: Thread that retrieves data from NTRIP caster
32 *
33 * Author: L. Mervart
34 *
35 * Created: 24-Dec-2005
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <stdlib.h>
42#include <iomanip>
43#include <sstream>
44
45#include <QFile>
46#include <QTextStream>
47#include <QtNetwork>
48#include <QTime>
49
50#include "bncgetthread.h"
51#include "bnctabledlg.h"
52#include "bncapp.h"
53#include "bncutils.h"
54#include "bncrinex.h"
55#include "bnczerodecoder.h"
56#include "bncnetqueryv0.h"
57#include "bncnetqueryv1.h"
58#include "bncnetqueryv2.h"
59#include "bncnetqueryrtp.h"
60#include "bncnetqueryudp.h"
61#include "bncnetqueryudp0.h"
62#include "bncnetquerys.h"
63#include "bncsettings.h"
64#include "latencychecker.h"
65#include "bncpppclient.h"
66
67#include "RTCM/RTCM2Decoder.h"
68#include "RTCM3/RTCM3Decoder.h"
69#include "RTIGS/RTIGSDecoder.h"
70#include "GPSS/gpssDecoder.h"
71#include "serial/qextserialport.h"
72
73using namespace std;
74
75// Constructor 1
76////////////////////////////////////////////////////////////////////////////
77bncGetThread::bncGetThread(const QByteArray& rawInpFileName,
78 const QByteArray& format) {
79
80 _rawInpFile = new QFile(rawInpFileName);
81 _rawInpFile->open(QIODevice::ReadOnly);
82 _format = format;
83 _staID = rawInpFileName.mid(
84 rawInpFileName.lastIndexOf(QDir::separator())+1,4);
85
86 _rawOutput = false;
87
88 initialize();
89}
90
91// Constructor 2
92////////////////////////////////////////////////////////////////////////////
93bncGetThread::bncGetThread(const QUrl& mountPoint,
94 const QByteArray& format,
95 const QByteArray& latitude,
96 const QByteArray& longitude,
97 const QByteArray& nmea,
98 const QByteArray& ntripVersion, const QByteArray& extraStaID) {
99 _rawInpFile = 0;
100 _mountPoint = mountPoint;
101 _staID = (extraStaID.size() == 0 ? mountPoint.path().mid(1).toAscii() : extraStaID);
102 _format = format;
103 _latitude = latitude;
104 _longitude = longitude;
105 _nmea = nmea;
106 _ntripVersion = ntripVersion;
107
108 bncSettings settings;
109 if (!settings.value("rawOutFile").toString().isEmpty()) {
110 _rawOutput = true;
111 }
112
113 initialize();
114}
115
116// Initialization (common part of the constructor)
117////////////////////////////////////////////////////////////////////////////
118void bncGetThread::initialize() {
119
120 setTerminationEnabled(true);
121
122 bncApp* app = (bncApp*) qApp;
123
124 connect(this, SIGNAL(newMessage(QByteArray,bool)),
125 app, SLOT(slotMessage(const QByteArray,bool)));
126
127 _isToBeDeleted = false;
128 _decoder = 0;
129 _query = 0;
130 _nextSleep = 0;
131 _PPPclient = 0;
132
133 bncSettings settings;
134
135 _miscMount = settings.value("miscMount").toString();
136
137 // RINEX writer
138 // ------------
139 _samplingRate = settings.value("rnxSampl").toInt();
140 if ( settings.value("rnxPath").toString().isEmpty() ) {
141 _rnx = 0;
142 if (_rawInpFile) {
143 cerr << "no RINEX path specified" << endl;
144 ::exit(1);
145 }
146 }
147 else {
148 _rnx = new bncRinex(_staID, _mountPoint, _format, _latitude,
149 _longitude, _nmea, _ntripVersion);
150 }
151
152 // Serial Port
153 // -----------
154 _serialNMEA = NO_NMEA;
155 _serialOutFile = 0;
156 _serialPort = 0;
157
158 if (settings.value("serialMountPoint").toString() == _staID) {
159 _serialPort = new QextSerialPort(settings.value("serialPortName").toString() );
160 _serialPort->setTimeout(0,100);
161
162 // Baud Rate
163 // ---------
164 QString hlp = settings.value("serialBaudRate").toString();
165 if (hlp == "110") {
166 _serialPort->setBaudRate(BAUD110);
167 }
168 else if (hlp == "300") {
169 _serialPort->setBaudRate(BAUD300);
170 }
171 else if (hlp == "600") {
172 _serialPort->setBaudRate(BAUD600);
173 }
174 else if (hlp == "1200") {
175 _serialPort->setBaudRate(BAUD1200);
176 }
177 else if (hlp == "2400") {
178 _serialPort->setBaudRate(BAUD2400);
179 }
180 else if (hlp == "4800") {
181 _serialPort->setBaudRate(BAUD4800);
182 }
183 else if (hlp == "9600") {
184 _serialPort->setBaudRate(BAUD9600);
185 }
186 else if (hlp == "19200") {
187 _serialPort->setBaudRate(BAUD19200);
188 }
189 else if (hlp == "38400") {
190 _serialPort->setBaudRate(BAUD38400);
191 }
192 else if (hlp == "57600") {
193 _serialPort->setBaudRate(BAUD57600);
194 }
195 else if (hlp == "115200") {
196 _serialPort->setBaudRate(BAUD115200);
197 }
198
199 // Parity
200 // ------
201 hlp = settings.value("serialParity").toString();
202 if (hlp == "NONE") {
203 _serialPort->setParity(PAR_NONE);
204 }
205 else if (hlp == "ODD") {
206 _serialPort->setParity(PAR_ODD);
207 }
208 else if (hlp == "EVEN") {
209 _serialPort->setParity(PAR_EVEN);
210 }
211 else if (hlp == "SPACE") {
212 _serialPort->setParity(PAR_SPACE);
213 }
214
215 // Data Bits
216 // ---------
217 hlp = settings.value("serialDataBits").toString();
218 if (hlp == "5") {
219 _serialPort->setDataBits(DATA_5);
220 }
221 else if (hlp == "6") {
222 _serialPort->setDataBits(DATA_6);
223 }
224 else if (hlp == "7") {
225 _serialPort->setDataBits(DATA_7);
226 }
227 else if (hlp == "8") {
228 _serialPort->setDataBits(DATA_8);
229 }
230 hlp = settings.value("serialStopBits").toString();
231 if (hlp == "1") {
232 _serialPort->setStopBits(STOP_1);
233 }
234 else if (hlp == "2") {
235 _serialPort->setStopBits(STOP_2);
236 }
237
238 // Flow Control
239 // ------------
240 hlp = settings.value("serialFlowControl").toString();
241 if (hlp == "XONXOFF") {
242 _serialPort->setFlowControl(FLOW_XONXOFF);
243 }
244 else if (hlp == "HARDWARE") {
245 _serialPort->setFlowControl(FLOW_HARDWARE);
246 }
247 else {
248 _serialPort->setFlowControl(FLOW_OFF);
249 }
250
251 // Open Serial Port
252 // ----------------
253 _serialPort->open(QIODevice::ReadWrite|QIODevice::Unbuffered);
254 if (!_serialPort->isOpen()) {
255 delete _serialPort;
256 _serialPort = 0;
257 emit(newMessage((_staID + ": Cannot open serial port\n"), true));
258 }
259 connect(_serialPort, SIGNAL(readyRead()),
260 this, SLOT(slotSerialReadyRead()));
261
262 // Automatic NMEA
263 // --------------
264 if (settings.value("serialAutoNMEA").toString() == "Auto") {
265 _serialNMEA = AUTO_NMEA;
266
267 QString fName = settings.value("serialFileNMEA").toString();
268 if (!fName.isEmpty()) {
269 _serialOutFile = new QFile(fName);
270 if ( Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
271 _serialOutFile->open(QIODevice::WriteOnly | QIODevice::Append);
272 }
273 else {
274 _serialOutFile->open(QIODevice::WriteOnly);
275 }
276 }
277 }
278
279 // Manual NMEA
280 // -----------
281 else {
282 _serialNMEA = MANUAL_NMEA;
283 }
284 }
285
286 // Initialize PPP Client?
287 // ----------------------
288#ifndef MLS_SOFTWARE
289 if (settings.value("pppMount").toString() == _staID) {
290 _PPPclient = new bncPPPclient(_staID);
291 qRegisterMetaType<bncTime>("bncTime");
292 connect(_PPPclient, SIGNAL(newPosition(bncTime, double, double, double)),
293 this, SIGNAL(newPosition(bncTime, double, double, double)));
294 connect(_PPPclient, SIGNAL(newNMEAstr(QByteArray)),
295 this, SIGNAL(newNMEAstr(QByteArray)));
296 }
297#endif
298
299 // Instantiate the decoder
300 // -----------------------
301 if (_format.indexOf("RTCM_2") != -1 || _format.indexOf("RTCM2") != -1 ||
302 _format.indexOf("RTCM 2") != -1 ) {
303 emit(newMessage(_staID + ": Get data in RTCM 2.x format", true));
304 _decoder = new RTCM2Decoder(_staID.data());
305 }
306 else if (_format.indexOf("RTCM_3") != -1 || _format.indexOf("RTCM3") != -1 ||
307 _format.indexOf("RTCM 3") != -1 ) {
308 emit(newMessage(_staID + ": Get data in RTCM 3.x format", true));
309 _decoder = new RTCM3Decoder(_staID);
310 connect((RTCM3Decoder*) _decoder, SIGNAL(newMessage(QByteArray,bool)),
311 this, SIGNAL(newMessage(QByteArray,bool)));
312 }
313 else if (_format.indexOf("RTIGS") != -1) {
314 emit(newMessage(_staID + ": Get data in RTIGS format", true));
315 _decoder = new RTIGSDecoder();
316 }
317 else if (_format.indexOf("GPSS") != -1 || _format.indexOf("BNC") != -1) {
318 emit(newMessage(_staID + ": Get Data in GPSS format", true));
319 _decoder = new gpssDecoder();
320 }
321 else if (_format.indexOf("ZERO") != -1) {
322 emit(newMessage(_staID + ": Get data in original format", true));
323 _decoder = new bncZeroDecoder(_staID);
324 }
325 else {
326 emit(newMessage(_staID + ": Unknown data format " + _format, true));
327 _isToBeDeleted = true;
328 }
329
330 _latencyChecker = new latencyChecker(_staID);
331
332 msleep(100); //sleep 0.1 sec
333}
334
335// Destructor
336////////////////////////////////////////////////////////////////////////////
337bncGetThread::~bncGetThread() {
338 if (isRunning()) {
339 wait();
340 }
341 if (_query) {
342 _query->stop();
343 _query->deleteLater();
344 }
345 delete _PPPclient;
346 delete _decoder;
347 delete _rnx;
348 delete _rawInpFile;
349 delete _serialOutFile;
350 delete _serialPort;
351 delete _latencyChecker;
352 emit getThreadFinished(_staID);
353}
354
355//
356////////////////////////////////////////////////////////////////////////////
357void bncGetThread::terminate() {
358 _isToBeDeleted = true;
359 if (!isRunning()) {
360 delete this;
361 }
362}
363
364// Run
365////////////////////////////////////////////////////////////////////////////
366void bncGetThread::run() {
367
368 while (true) {
369 try {
370 if (_isToBeDeleted) {
371 QThread::exit(0);
372 this->deleteLater();
373 return;
374 }
375
376 if (tryReconnect() != success) {
377 _latencyChecker->checkReconnect();
378 continue;
379 }
380
381 // Delete old observations
382 // -----------------------
383 QListIterator<p_obs> itOld(_decoder->_obsList);
384 while (itOld.hasNext()) {
385 delete itOld.next();
386 }
387 _decoder->_obsList.clear();
388
389 // Read Data
390 // ---------
391 QByteArray data;
392 if (_query) {
393 _query->waitForReadyRead(data);
394 }
395 else if (_rawInpFile) {
396 const qint64 maxBytes = 1024;
397 data = _rawInpFile->read(maxBytes);
398 if (data.isEmpty()) {
399 cout << "no more data" << endl;
400 ::exit(0);
401 }
402 }
403 qint64 nBytes = data.size();
404
405 // Timeout, reconnect
406 // ------------------
407 if (nBytes == 0) {
408 _latencyChecker->checkReconnect();
409 emit(newMessage(_staID + ": Data timeout, reconnecting", true));
410 msleep(10000); //sleep 10 sec, G. Weber
411 continue;
412 }
413 else {
414 emit newBytes(_staID, nBytes);
415 }
416
417 // Output Data
418 // -----------
419 if (_rawOutput) {
420 bncApp* app = (bncApp*) qApp;
421 app->writeRawData(data);
422 }
423
424 if (_serialPort) {
425 slotSerialReadyRead();
426 _serialPort->write(data);
427 }
428
429 // Decode Data
430 // -----------
431 vector<string> errmsg;
432 t_irc irc = _decoder->Decode(data.data(), data.size(), errmsg);
433
434 // Perform various scans and checks
435 // --------------------------------
436 _latencyChecker->checkOutage(irc == success);
437 _latencyChecker->checkObsLatency(_decoder->_obsList);
438 _latencyChecker->checkCorrLatency(_decoder->corrGPSEpochTime());
439
440 emit newLatency(_staID, _latencyChecker->currentLatency());
441
442 scanRTCM();
443
444 // Loop over all observations (observations output)
445 // ------------------------------------------------
446 QListIterator<p_obs> it(_decoder->_obsList);
447 while (it.hasNext()) {
448 p_obs obs = it.next();
449
450 // Check observation epoch
451 // -----------------------
452 if (!_rawInpFile && !dynamic_cast<gpssDecoder*>(_decoder)) {
453 int week;
454 double sec;
455 currentGPSWeeks(week, sec);
456 const double secPerWeek = 7.0 * 24.0 * 3600.0;
457
458 if (week < obs->_o.GPSWeek) {
459 week += 1;
460 sec -= secPerWeek;
461 }
462 if (week > obs->_o.GPSWeek) {
463 week -= 1;
464 sec += secPerWeek;
465 }
466 double dt = fabs(sec - obs->_o.GPSWeeks);
467 const double maxDt = 600.0;
468 if (week != obs->_o.GPSWeek || dt > maxDt) {
469 emit( newMessage(_staID + ": Wrong observation epoch(s)", false) );
470 delete obs;
471 continue;
472 }
473 }
474
475 // RINEX Output
476 // ------------
477 if (_rnx) {
478 long iSec = long(floor(obs->_o.GPSWeeks+0.5));
479 long newTime = obs->_o.GPSWeek * 7*24*3600 + iSec;
480 if (_samplingRate == 0 || iSec % _samplingRate == 0) {
481 _rnx->deepCopy(obs);
482 }
483 _rnx->dumpEpoch(newTime);
484 }
485
486 // PPP Client
487 // ----------
488#ifndef MLS_SOFTWARE
489 if (_PPPclient) {
490 _PPPclient->putNewObs(obs);
491 }
492#endif
493
494 // Emit new observation signal
495 // ---------------------------
496 bool firstObs = (obs == _decoder->_obsList.first());
497 obs->_status = t_obs::posted;
498 emit newObs(_staID, firstObs, obs);
499 }
500 _decoder->_obsList.clear();
501 }
502 catch (...) {
503 emit(newMessage(_staID + "bncGetThread exception", true));
504 _isToBeDeleted = true;
505 }
506 }
507}
508
509// Try Re-Connect
510////////////////////////////////////////////////////////////////////////////
511t_irc bncGetThread::tryReconnect() {
512
513 // Easy Return
514 // -----------
515 if (_query && _query->status() == bncNetQuery::running) {
516 _nextSleep = 0;
517 if (_rnx) {
518 _rnx->setReconnectFlag(false);
519 }
520 return success;
521 }
522
523 // Start a new query
524 // -----------------
525 if (!_rawInpFile) {
526
527 sleep(_nextSleep);
528 if (_nextSleep == 0) {
529 _nextSleep = 1;
530 }
531 else {
532 _nextSleep = 2 * _nextSleep;
533 if (_nextSleep > 256) {
534 _nextSleep = 256;
535 }
536#ifdef MLS_SOFTWARE
537 if (_nextSleep > 4) {
538 _nextSleep = 4;
539 }
540#endif
541 }
542
543 delete _query;
544 if (_ntripVersion == "U") {
545 _query = new bncNetQueryUdp();
546 }
547 else if (_ntripVersion == "R") {
548 _query = new bncNetQueryRtp();
549 }
550 else if (_ntripVersion == "S") {
551 _query = new bncNetQueryS();
552 }
553 else if (_ntripVersion == "N") {
554 _query = new bncNetQueryV0();
555 }
556 else if (_ntripVersion == "UN") {
557 _query = new bncNetQueryUdp0();
558 }
559 else if (_ntripVersion == "2") {
560 _query = new bncNetQueryV2();
561 }
562 else {
563 _query = new bncNetQueryV1();
564 }
565 if (_nmea == "yes" && _serialNMEA != AUTO_NMEA) {
566 QByteArray gga = ggaString(_latitude, _longitude, "100.0");
567 _query->startRequest(_mountPoint, gga);
568 }
569 else {
570 _query->startRequest(_mountPoint, "");
571 }
572 if (_query->status() != bncNetQuery::running) {
573 return failure;
574 }
575 }
576
577 if (_rnx) {
578 _rnx->setReconnectFlag(true);
579 }
580
581 return success;
582}
583
584// RTCM scan output
585//////////////////////////////////////////////////////////////////////////////
586void bncGetThread::scanRTCM() {
587
588 bncSettings settings;
589 if ( Qt::CheckState(settings.value("scanRTCM").toInt()) == Qt::Checked ) {
590
591 if ( _miscMount == _staID || _miscMount == "ALL" ) {
592
593 // RTCM message types
594 // ------------------
595 for (int ii = 0; ii <_decoder->_typeList.size(); ii++) {
596 QString type = QString("%1 ").arg(_decoder->_typeList[ii]);
597 emit(newMessage(_staID + ": Received message type " + type.toAscii(), true));
598 }
599
600 // RTCMv3 antenna descriptor
601 // -------------------------
602 for (int ii=0;ii<_decoder->_antType.size();ii++) {
603 QString ant1 = QString("%1 ").arg(_decoder->_antType[ii]);
604 emit(newMessage(_staID + ": Antenna descriptor " + ant1.toAscii(), true));
605 }
606
607 // RTCM Antenna Coordinates
608 // ------------------------
609 for (int ii=0; ii <_decoder->_antList.size(); ii++) {
610 QByteArray antT;
611 if (_decoder->_antList[ii].type == GPSDecoder::t_antInfo::ARP) {
612 antT = "ARP";
613 }
614 else if (_decoder->_antList[ii].type == GPSDecoder::t_antInfo::APC) {
615 antT = "APC";
616 }
617 QByteArray ant1, ant2, ant3;
618 ant1 = QString("%1 ").arg(_decoder->_antList[ii].xx,0,'f',4).toAscii();
619 ant2 = QString("%1 ").arg(_decoder->_antList[ii].yy,0,'f',4).toAscii();
620 ant3 = QString("%1 ").arg(_decoder->_antList[ii].zz,0,'f',4).toAscii();
621 emit(newMessage(_staID + ": " + antT + " (ITRF) X " + ant1 + "m", true));
622 emit(newMessage(_staID + ": " + antT + " (ITRF) Y " + ant2 + "m", true));
623 emit(newMessage(_staID + ": " + antT + " (ITRF) Z " + ant3 + "m", true));
624 if (_decoder->_antList[ii].height_f) {
625 QByteArray ant4 = QString("%1 ").arg(_decoder->_antList[ii].height,0,'f',4).toAscii();
626 emit(newMessage(_staID + ": Antenna height above marker " + ant4 + "m", true));
627 }
628 emit(newAntCrd(_staID, _decoder->_antList[ii].xx,
629 _decoder->_antList[ii].yy, _decoder->_antList[ii].zz,
630 antT));
631 }
632 }
633 }
634
635#ifdef MLS_SOFTWARE
636 for (int ii=0; ii <_decoder->_antList.size(); ii++) {
637 QByteArray antT;
638 if (_decoder->_antList[ii].type == GPSDecoder::t_antInfo::ARP) {
639 antT = "ARP";
640 }
641 else if (_decoder->_antList[ii].type == GPSDecoder::t_antInfo::APC) {
642 antT = "APC";
643 }
644 emit(newAntCrd(_staID, _decoder->_antList[ii].xx,
645 _decoder->_antList[ii].yy, _decoder->_antList[ii].zz,
646 antT));
647 }
648
649 for (int ii = 0; ii <_decoder->_typeList.size(); ii++) {
650 emit(newRTCMMessage(_staID, _decoder->_typeList[ii]));
651 }
652#endif
653
654
655
656
657 _decoder->_typeList.clear();
658 _decoder->_antType.clear();
659 _decoder->_antList.clear();
660}
661
662// Handle Data from Serial Port
663////////////////////////////////////////////////////////////////////////////
664void bncGetThread::slotSerialReadyRead() {
665 if (_serialPort) {
666 int nb = _serialPort->bytesAvailable();
667 if (nb > 0) {
668 QByteArray data = _serialPort->read(nb);
669
670 if (_serialNMEA == AUTO_NMEA) {
671 int i1 = data.indexOf("$GPGGA");
672 if (i1 != -1) {
673 int i2 = data.indexOf("*", i1);
674 if (i2 != -1 && data.size() > i2 + 1) {
675 QByteArray gga = data.mid(i1,i2-i1+3);
676 _query->sendNMEA(gga);
677 }
678 }
679 }
680
681 if (_serialOutFile) {
682 _serialOutFile->write(data);
683 _serialOutFile->flush();
684 }
685 }
686 }
687}
688
689//
690//////////////////////////////////////////////////////////////////////////////
691void bncGetThread::slotNewEphGPS(gpsephemeris gpseph) {
692 RTCM2Decoder* decoder2 = dynamic_cast<RTCM2Decoder*>(_decoder);
693 RTCM3Decoder* decoder3 = dynamic_cast<RTCM3Decoder*>(_decoder);
694
695 if ( decoder2 ) {
696 QMutexLocker locker(&_mutex);
697
698 string storedPRN;
699 vector<int> IODs;
700
701 if ( decoder2->storeEph(gpseph, storedPRN, IODs) ) {
702#ifdef DEBUG_RTCM2_2021
703 QString msg = _staID + QString(": stored eph %1 IODs").arg(storedPRN.c_str());
704
705 for (unsigned ii = 0; ii < IODs.size(); ii++) {
706 msg += QString(" %1").arg(IODs[ii],4);
707 }
708
709 emit(newMessage(msg.toAscii()));
710#endif
711 }
712 }
713
714 if ( decoder3 ) {
715 QMutexLocker locker(&_mutex);
716
717 if ( decoder3->storeEph(gpseph) ) {
718#ifdef DEBUG_RTCM3
719 QString msg = _staID + QString(": RTCM3Decoder, stored eph for satellite %1").arg(gpseph.satellite);
720 emit(newMessage(msg.toAscii(),true));
721#endif
722 }
723 }
724}
725
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