source: ntrip/trunk/BNC/bncgetthread.cpp@ 872

Last change on this file since 872 was 867, checked in by mervart, 17 years ago

* empty log message *
File size: 23.6 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: 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
43#include <QFile>
44#include <QTextStream>
45#include <QtNetwork>
46#include <QTime>
47
48#include "bncgetthread.h"
49#include "bnctabledlg.h"
50#include "bncapp.h"
51#include "bncutils.h"
52#include "bncrinex.h"
53#include "bnczerodecoder.h"
54
55#include "RTCM/RTCM2Decoder.h"
56#include "RTCM3/RTCM3Decoder.h"
57#include "RTCM3/RTCM3coDecoder.h"
58#include "RTIGS/RTIGSDecoder.h"
59
60using namespace std;
61
62// Constructor
63////////////////////////////////////////////////////////////////////////////
64bncGetThread::bncGetThread(const QUrl& mountPoint,
65 const QByteArray& format,
66 const QByteArray& latitude,
67 const QByteArray& longitude,
68 const QByteArray& nmea, int iMount) {
69
70 setTerminationEnabled(true);
71
72 _decoder = 0;
73 _mountPoint = mountPoint;
74 _staID = mountPoint.path().mid(1).toAscii();
75 _staID_orig = _staID;
76 _format = format;
77 _latitude = latitude;
78 _longitude = longitude;
79 _nmea = nmea;
80 _socket = 0;
81 _timeOut = 20*1000; // 20 seconds
82 _nextSleep = 1; // 1 second
83 _iMount = iMount; // index in mountpoints array
84
85 // Check name conflict
86 // -------------------
87 QSettings settings;
88 QListIterator<QString> it(settings.value("mountPoints").toStringList());
89 int num = 0;
90 int ind = -1;
91 while (it.hasNext()) {
92 ++ind;
93 QStringList hlp = it.next().split(" ");
94 if (hlp.size() <= 1) continue;
95 QUrl url(hlp[0]);
96 if (_mountPoint.path() == url.path()) {
97 if (_iMount > ind) {
98 ++num;
99 }
100 }
101 }
102
103 if (num > 0) {
104 _staID = _staID.left(_staID.length()-1) + QString("%1").arg(num).toAscii();
105 }
106
107 // Notice threshold
108 // ----------------
109 _inspSegm = 50;
110 if ( settings.value("obsRate").toString().isEmpty() ) { _inspSegm = 0; }
111 if ( settings.value("obsRate").toString().indexOf("5 Hz") != -1 ) { _inspSegm = 2; }
112 if ( settings.value("obsRate").toString().indexOf("1 Hz") != -1 ) { _inspSegm = 10; }
113 if ( settings.value("obsRate").toString().indexOf("0.5 Hz") != -1 ) { _inspSegm = 20; }
114 if ( settings.value("obsRate").toString().indexOf("0.2 Hz") != -1 ) { _inspSegm = 40; }
115 if ( settings.value("obsRate").toString().indexOf("0.1 Hz") != -1 ) { _inspSegm = 50; }
116 _adviseFail = settings.value("adviseFail").toInt();
117 _adviseReco = settings.value("adviseReco").toInt();
118 _makePause = false;
119 if ( Qt::CheckState(settings.value("makePause").toInt()) == Qt::Checked) {_makePause = true; }
120 _adviseScript = settings.value("adviseScript").toString();
121 expandEnvVar(_adviseScript);
122
123 // Latency interval/average
124 // ------------------------
125 _perfIntr = 86400;
126 if ( settings.value("perfIntr").toString().isEmpty() ) { _perfIntr = 0; }
127 if ( settings.value("perfIntr").toString().indexOf("1 min") != -1 ) { _perfIntr = 60; }
128 if ( settings.value("perfIntr").toString().indexOf("5 min") != -1 ) { _perfIntr = 300; }
129 if ( settings.value("perfIntr").toString().indexOf("15 min") != -1 ) { _perfIntr = 900; }
130 if ( settings.value("perfIntr").toString().indexOf("1 hour") != -1 ) { _perfIntr = 3600; }
131 if ( settings.value("perfIntr").toString().indexOf("6 hours") != -1 ) { _perfIntr = 21600; }
132 if ( settings.value("perfIntr").toString().indexOf("1 day") != -1 ) { _perfIntr = 86400; }
133
134 // RINEX writer
135 // ------------
136 _samplingRate = settings.value("rnxSampl").toInt();
137 if ( settings.value("rnxPath").toString().isEmpty() ) {
138 _rnx = 0;
139 }
140 else {
141 _rnx = new bncRinex(_staID, mountPoint, format, latitude, longitude, nmea);
142 }
143
144 msleep(100); //sleep 0.1 sec
145}
146
147// Destructor
148////////////////////////////////////////////////////////////////////////////
149bncGetThread::~bncGetThread() {
150 if (_socket) {
151 _socket->close();
152#if QT_VERSION == 0x040203
153 delete _socket;
154#else
155 _socket->deleteLater();
156#endif
157 }
158 delete _decoder;
159 delete _rnx;
160}
161
162#define AGENTVERSION "1.6"
163// Connect to Caster, send the Request (static)
164////////////////////////////////////////////////////////////////////////////
165QTcpSocket* bncGetThread::request(const QUrl& mountPoint,
166 QByteArray& latitude, QByteArray& longitude,
167 QByteArray& nmea, int timeOut,
168 QString& msg) {
169
170 // Connect the Socket
171 // ------------------
172 QSettings settings;
173 QString proxyHost = settings.value("proxyHost").toString();
174 int proxyPort = settings.value("proxyPort").toInt();
175
176 QTcpSocket* socket = new QTcpSocket();
177 if ( proxyHost.isEmpty() ) {
178 socket->connectToHost(mountPoint.host(), mountPoint.port());
179 }
180 else {
181 socket->connectToHost(proxyHost, proxyPort);
182 }
183 if (!socket->waitForConnected(timeOut)) {
184 msg += "Connect timeout\n";
185 delete socket;
186 return 0;
187 }
188
189 // Send Request
190 // ------------
191 QString uName = QUrl::fromPercentEncoding(mountPoint.userName().toAscii());
192 QString passW = QUrl::fromPercentEncoding(mountPoint.password().toAscii());
193 QByteArray userAndPwd;
194
195 if(!uName.isEmpty() || !passW.isEmpty())
196 {
197 userAndPwd = "Authorization: Basic " + (uName.toAscii() + ":" +
198 passW.toAscii()).toBase64() + "\r\n";
199 }
200
201 QUrl hlp;
202 hlp.setScheme("http");
203 hlp.setHost(mountPoint.host());
204 hlp.setPort(mountPoint.port());
205 hlp.setPath(mountPoint.path());
206
207 QByteArray reqStr;
208 if ( proxyHost.isEmpty() ) {
209 if (hlp.path().indexOf("/") != 0) hlp.setPath("/");
210 reqStr = "GET " + hlp.path().toAscii() + " HTTP/1.0\r\n";
211 } else {
212 reqStr = "GET " + hlp.toEncoded() + " HTTP/1.0\r\n";
213 }
214 reqStr += "User-Agent: NTRIP BNC/" AGENTVERSION "\r\n"
215 "Host: " + hlp.host().toAscii() + "\r\n"
216 + userAndPwd + "\r\n";
217
218// NMEA string to handle VRS stream
219// --------------------------------
220
221 double lat, lon;
222
223 lat = strtod(latitude,NULL);
224 lon = strtod(longitude,NULL);
225
226 if ((nmea == "yes") && (hlp.path().length() > 2) && (hlp.path().indexOf(".skl") < 0)) {
227 const char* flagN="N";
228 const char* flagE="E";
229 if (lon >180.) {lon=(lon-360.)*(-1.); flagE="W";}
230 if ((lon < 0.) && (lon >= -180.)) {lon=lon*(-1.); flagE="W";}
231 if (lon < -180.) {lon=(lon+360.); flagE="E";}
232 if (lat < 0.) {lat=lat*(-1.); flagN="S";}
233 QTime ttime(QDateTime::currentDateTime().toUTC().time());
234 int lat_deg = (int)lat;
235 double lat_min=(lat-lat_deg)*60.;
236 int lon_deg = (int)lon;
237 double lon_min=(lon-lon_deg)*60.;
238 int hh = 0 , mm = 0;
239 double ss = 0.0;
240 hh=ttime.hour();
241 mm=ttime.minute();
242 ss=(double)ttime.second()+0.001*ttime.msec();
243 QString gga;
244 gga += "GPGGA,";
245 gga += QString("%1%2%3,").arg((int)hh, 2, 10, QLatin1Char('0')).arg((int)mm, 2, 10, QLatin1Char('0')).arg((int)ss, 2, 10, QLatin1Char('0'));
246 gga += QString("%1%2,").arg((int)lat_deg,2, 10, QLatin1Char('0')).arg(lat_min, 7, 'f', 4, QLatin1Char('0'));
247 gga += flagN;
248 gga += QString(",%1%2,").arg((int)lon_deg,3, 10, QLatin1Char('0')).arg(lon_min, 7, 'f', 4, QLatin1Char('0'));
249 gga += flagE + QString(",1,05,1.00,+00100,M,10.000,M,,");
250 int xori;
251 char XOR = 0;
252 char *Buff =gga.toAscii().data();
253 int iLen = strlen(Buff);
254 for (xori = 0; xori < iLen; xori++) {
255 XOR ^= (char)Buff[xori];
256 }
257 gga += QString("*%1").arg(XOR, 2, 16, QLatin1Char('0'));
258 reqStr += "$";
259 reqStr += gga;
260 reqStr += "\r\n";
261 }
262
263 msg += reqStr;
264
265 socket->write(reqStr, reqStr.length());
266
267 if (!socket->waitForBytesWritten(timeOut)) {
268 msg += "Write timeout\n";
269 delete socket;
270 return 0;
271 }
272
273 return socket;
274}
275
276// Init Run
277////////////////////////////////////////////////////////////////////////////
278t_irc bncGetThread::initRun() {
279
280 // Initialize Socket
281 // -----------------
282 QString msg;
283 _socket = this->request(_mountPoint, _latitude, _longitude,
284 _nmea, _timeOut, msg);
285 if (!_socket) {
286 return failure;
287 }
288
289 // Read Caster Response
290 // --------------------
291 _socket->waitForReadyRead(_timeOut);
292 if (_socket->canReadLine()) {
293 QString line = _socket->readLine();
294
295 // Skip messages from proxy server
296 // -------------------------------
297 if (line.indexOf("ICY 200 OK") == -1 &&
298 line.indexOf("200 OK") != -1 ) {
299 bool proxyRespond = true;
300 while (true) {
301 if (_socket->canReadLine()) {
302 line = _socket->readLine();
303 if (!proxyRespond) {
304 break;
305 }
306 if (line.trimmed().isEmpty()) {
307 proxyRespond = false;
308 }
309 }
310 else {
311 _socket->waitForReadyRead(_timeOut);
312 if (_socket->bytesAvailable() <= 0) {
313 break;
314 }
315 }
316 }
317 }
318
319 if (line.indexOf("Unauthorized") != -1) {
320 QStringList table;
321 bncTableDlg::getFullTable(_mountPoint.host(), _mountPoint.port(), table);
322 QString net;
323 QStringListIterator it(table);
324 while (it.hasNext()) {
325 QString line = it.next();
326 if (line.indexOf("STR") == 0) {
327 QStringList tags = line.split(";");
328 if (tags.at(1) == _staID_orig) {
329 net = tags.at(7);
330 break;
331 }
332 }
333 }
334
335 QString reg;
336 it.toFront();
337 while (it.hasNext()) {
338 QString line = it.next();
339 if (line.indexOf("NET") == 0) {
340 QStringList tags = line.split(";");
341 if (tags.at(1) == net) {
342 reg = tags.at(7);
343 break;
344 }
345 }
346 }
347 emit(newMessage((_staID + ": Caster Response: " + line +
348 " Adjust User-ID and Password Register, see"
349 "\n " + reg).toAscii()));
350 return fatal;
351 }
352 if (line.indexOf("ICY 200 OK") != 0) {
353 emit(newMessage((_staID + ": Wrong Caster Response:\n" + line).toAscii()));
354 return failure;
355 }
356 }
357 else {
358 emit(newMessage(_staID + ": Response Timeout"));
359 return failure;
360 }
361
362 // Instantiate the filter
363 // ----------------------
364 if (!_decoder) {
365 if (_format.indexOf("RTCM_2") != -1) {
366 emit(newMessage("Get Data: " + _staID + " in RTCM 2.x format"));
367 _decoder = new RTCM2Decoder();
368 }
369 else if (_format.indexOf("RTCM_3") != -1) {
370 emit(newMessage("Get Data: " + _staID + " in RTCM 3.x format"));
371 _decoder = new RTCM3Decoder();
372 }
373 else if (_format.indexOf("RTIGS") != -1) {
374 emit(newMessage("Get Data: " + _staID + " in RTIGS format"));
375 _decoder = new RTIGSDecoder();
376 }
377 else if (_format.indexOf("SP3") != -1) {
378 emit(newMessage("Get Corrections: " + _staID + " in RTCM 3.x format"));
379 _decoder = new RTCM3coDecoder();
380 }
381 else if (_format.indexOf("ZERO") != -1) {
382 emit(newMessage("Get Data: " + _staID + " in original format"));
383 _decoder = new bncZeroDecoder(_staID);
384 }
385 else {
386 emit(newMessage(_staID + ": Unknown data format " + _format));
387 return fatal;
388 }
389 }
390 return success;
391}
392
393// Run
394////////////////////////////////////////////////////////////////////////////
395void bncGetThread::run() {
396
397 const double maxDt = 600.0; // Check observation epoch
398 bool wrongEpoch = false;
399 bool decode = true;
400 int numSucc = 0;
401 int secSucc = 0;
402 int secFail = 0;
403 int initPause = 30; // Initial pause for corrupted streams
404 int currPause = 0;
405 bool begCorrupt = false;
406 bool endCorrupt = false;
407 bool followSec = false;
408 int oldSecGPS= 0;
409 int newSecGPS = 0;
410 int numGaps = 0;
411 int diffSecGPS = 0;
412 int numLat = 0;
413 double sumLat = 0.;
414 double meanDiff = 0.;
415 double minLat = maxDt;
416 double maxLat = -maxDt;
417 double curLat = 0.;
418 double leapsec = 14.; // Leap second for latency estimation
419
420 _decodeTime = QDateTime::currentDateTime();
421 _decodeSucc = QDateTime::currentDateTime();
422 t_irc irc = initRun();
423
424 if (irc == fatal) {
425 QThread::exit(1);
426 return;
427 }
428 else if (irc != success) {
429 emit(newMessage(_staID + ": initRun failed, reconnecting"));
430 tryReconnect();
431 }
432
433 if (initPause < _inspSegm) {
434 initPause = _inspSegm;
435 }
436 if(!_makePause) {initPause = 0;}
437 currPause = initPause;
438
439 // Read Incoming Data
440 // ------------------
441 while (true) {
442 try {
443 if (_socket->state() != QAbstractSocket::ConnectedState) {
444 emit(newMessage(_staID + ": Socket not connected, reconnecting"));
445 tryReconnect();
446 }
447
448 QListIterator<p_obs> it(_decoder->_obsList);
449 while (it.hasNext()) {
450 delete it.next();
451 }
452 _decoder->_obsList.clear();
453
454 _socket->waitForReadyRead(_timeOut);
455 qint64 nBytes = _socket->bytesAvailable();
456 if (nBytes > 0) {
457 emit newBytes(_staID, nBytes);
458
459 char* data = new char[nBytes];
460 _socket->read(data, nBytes);
461
462 if (_inspSegm<1) {
463 _decoder->Decode(data, nBytes);
464 }
465 else {
466
467 // Decode data
468 // -----------
469 if (!_decodePause.isValid() ||
470 _decodePause.secsTo(QDateTime::currentDateTime()) >= currPause ) {
471
472 if (decode) {
473 if ( _decoder->Decode(data, nBytes) == success ) {
474 numSucc += 1;
475 }
476 if ( _decodeTime.secsTo(QDateTime::currentDateTime()) > _inspSegm ) {
477 decode = false;
478 }
479 }
480
481 // Check - once per inspect segment
482 // --------------------------------
483 if (!decode) {
484 _decodeTime = QDateTime::currentDateTime();
485 if (numSucc>0) {
486 secSucc += _inspSegm;
487 _decodeSucc = QDateTime::currentDateTime();
488 if (secSucc > _adviseReco * 60) {
489 secSucc = _adviseReco * 60 + 1;
490 }
491 numSucc = 0;
492 currPause = initPause;
493 _decodePause.setDate(QDate());
494 _decodePause.setTime(QTime());
495 }
496 else {
497 secFail += _inspSegm;
498 secSucc = 0;
499 if (secFail > _adviseFail * 60) {
500 secFail = _adviseFail * 60 + 1;
501 }
502 if (!_decodePause.isValid() || !_makePause) {
503 _decodePause = QDateTime::currentDateTime();
504 }
505 else {
506 _decodePause.setDate(QDate());
507 _decodePause.setTime(QTime());
508 secFail = secFail + currPause - _inspSegm;
509 currPause = currPause * 2;
510 if (currPause > 960) {
511 currPause = 960;
512 }
513 }
514 }
515
516 // End corrupt threshold
517 // ---------------------
518 if ( begCorrupt && !endCorrupt && secSucc > _adviseReco * 60 ) {
519 _endDateCor = QDateTime::currentDateTime().addSecs(- _adviseReco * 60).toUTC().date().toString("yy-MM-dd");
520 _endTimeCor = QDateTime::currentDateTime().addSecs(- _adviseReco * 60).toUTC().time().toString("hh:mm:ss");
521 emit(newMessage((_staID + ": Recovery threshold exceeded, corruption ended " + _endDateCor + " " + _endTimeCor).toAscii()));
522 callScript(("End_Corrupted " + _endDateCor + " " + _endTimeCor + " Begin was " + _begDateCor + " " + _begTimeCor).toAscii());
523 endCorrupt = true;
524 begCorrupt = false;
525 secFail = 0;
526 }
527 else {
528
529 // Begin corrupt threshold
530 // -----------------------
531 if ( !begCorrupt && secFail > _adviseFail * 60 ) {
532 _begDateCor = _decodeSucc.toUTC().date().toString("yy-MM-dd");
533 _begTimeCor = _decodeSucc.toUTC().time().toString("hh:mm:ss");
534 emit(newMessage((_staID + ": Failure threshold exceeded, corrupted since " + _begDateCor + " " + _begTimeCor).toAscii()));
535 callScript(("Begin_Corrupted " + _begDateCor + " " + _begTimeCor).toAscii());
536 begCorrupt = true;
537 endCorrupt = false;
538 secSucc = 0;
539 numSucc = 0;
540 }
541 }
542 decode = true;
543 }
544 }
545 }
546
547 // End outage threshold
548 // --------------------
549 if ( _decodeStart.isValid() && _decodeStart.secsTo(QDateTime::currentDateTime()) > _adviseReco * 60 ) {
550 _decodeStart.setDate(QDate());
551 _decodeStart.setTime(QTime());
552 if (_inspSegm>0) {
553 _endDateOut = QDateTime::currentDateTime().addSecs(- _adviseReco * 60).toUTC().date().toString("yy-MM-dd");
554 _endTimeOut = QDateTime::currentDateTime().addSecs(- _adviseReco * 60).toUTC().time().toString("hh:mm:ss");
555 emit(newMessage((_staID + ": Recovery threshold exceeded, outage ended " + _endDateOut + " " + _endTimeOut).toAscii()));
556 callScript(("End_Outage " + _endDateOut + " " + _endTimeOut + " Begin was " + _begDateOut + " " + _begTimeOut).toAscii());
557 }
558 }
559
560 delete [] data;
561
562 QListIterator<p_obs> it(_decoder->_obsList);
563 while (it.hasNext()) {
564 p_obs obs = it.next();
565
566 // Check observation epoch
567 // -----------------------
568 int week;
569 double sec;
570 currentGPSWeeks(week, sec);
571 const double secPerWeek = 7.0 * 24.0 * 3600.0;
572
573 if (week < obs->_o.GPSWeek) {
574 week += 1;
575 sec -= secPerWeek;
576 }
577 if (week > obs->_o.GPSWeek) {
578 week -= 1;
579 sec += secPerWeek;
580 }
581 double dt = fabs(sec - obs->_o.GPSWeeks);
582 if (week != obs->_o.GPSWeek || dt > maxDt) {
583 if (!wrongEpoch) {
584 emit( newMessage(_staID + ": Wrong observation epoch(s)") );
585 wrongEpoch = true;
586 }
587 delete obs;
588 continue;
589 }
590 else {
591 wrongEpoch = false;
592
593 // Latency and completeness
594 // ------------------------
595 if (_perfIntr>0) {
596 newSecGPS = static_cast<int>(obs->_o.GPSWeeks);
597 if (newSecGPS != oldSecGPS) {
598 if (newSecGPS % _perfIntr < oldSecGPS % _perfIntr) {
599 if (numLat>0) {
600 if (meanDiff>0.) {
601 emit( newMessage(QString("%1: Mean latency %2 sec, min %3, max %4, %5 epochs, %6 gaps")
602 .arg(_staID.data())
603 .arg(int(sumLat/numLat*100)/100.)
604 .arg(int(minLat*100)/100.)
605 .arg(int(maxLat*100)/100.)
606 .arg(numLat)
607 .arg(numGaps)
608 .toAscii()) );
609 } else {
610 emit( newMessage(QString("%1: Mean latency %2 sec, min %3, max %4, %5 epochs")
611 .arg(_staID.data())
612 .arg(int(sumLat/numLat*100)/100.)
613 .arg(int(minLat*100)/100.)
614 .arg(int(maxLat*100)/100.)
615 .arg(numLat)
616 .toAscii()) );
617 }
618 }
619 meanDiff = diffSecGPS/numLat;
620 diffSecGPS = 0;
621 numGaps = 0;
622 sumLat = 0.;
623 numLat = 0;
624 minLat = maxDt;
625 maxLat = -maxDt;
626 }
627 if (followSec) {
628 diffSecGPS += newSecGPS - oldSecGPS;
629 if (meanDiff>0.) {
630 if (newSecGPS - oldSecGPS > 1.5 * meanDiff) {
631 numGaps += 1;
632 }
633 }
634 }
635 curLat = sec - obs->_o.GPSWeeks + leapsec;
636 sumLat += curLat;
637 if (curLat < minLat) minLat = curLat;
638 if (curLat >= maxLat) maxLat = curLat;
639 numLat += 1;
640 oldSecGPS = newSecGPS;
641 followSec = true;
642 }
643 }
644 }
645
646 // RINEX Output
647 // ------------
648 if (_rnx) {
649 long iSec = long(floor(obs->_o.GPSWeeks+0.5));
650 long newTime = obs->_o.GPSWeek * 7*24*3600 + iSec;
651 if (_samplingRate == 0 || iSec % _samplingRate == 0) {
652 _rnx->deepCopy(obs);
653 }
654 _rnx->dumpEpoch(newTime);
655 }
656
657 bool firstObs = (obs == _decoder->_obsList.first());
658 obs->_status = t_obs::posted;
659 emit newObs(_staID, firstObs, obs);
660 }
661 _decoder->_obsList.clear();
662 }
663 else {
664 emit(newMessage(_staID + ": Data Timeout, reconnecting"));
665 tryReconnect();
666 }
667 }
668 catch (const char* msg) {
669 emit(newMessage(_staID + msg));
670 tryReconnect();
671 }
672 }
673}
674
675// Exit
676////////////////////////////////////////////////////////////////////////////
677void bncGetThread::exit(int exitCode) {
678 if (exitCode!= 0) {
679 emit error(_staID);
680 }
681 QThread::exit(exitCode);
682 terminate();
683}
684
685// Try Re-Connect
686////////////////////////////////////////////////////////////////////////////
687void bncGetThread::tryReconnect() {
688 if (_rnx) {
689 _rnx->setReconnectFlag(true);
690 }
691 if ( !_decodeStart.isValid()) {
692 _decodeStop = QDateTime::currentDateTime();
693 }
694 while (1) {
695 delete _socket; _socket = 0;
696 sleep(_nextSleep);
697 if ( initRun() == success ) {
698 if ( !_decodeStop.isValid()) {
699 _decodeStart = QDateTime::currentDateTime();
700 }
701 break;
702 }
703 else {
704
705 // Begin outage threshold
706 // ----------------------
707 if ( _decodeStop.isValid() && _decodeStop.secsTo(QDateTime::currentDateTime()) > _adviseFail * 60 ) {
708 _decodeStop.setDate(QDate());
709 _decodeStop.setTime(QTime());
710 if (_inspSegm>0) {
711 _begDateOut = _decodeTime.toUTC().date().toString("yy-MM-dd");
712 _begTimeOut = _decodeTime.toUTC().time().toString("hh:mm:ss");
713 emit(newMessage((_staID + ": Failure threshold exceeded, outage since " + _begDateOut + " " + _begTimeOut).toAscii()));
714 callScript(("Begin_Outage " + _begDateOut + " " + _begTimeOut).toAscii());
715 }
716 }
717 _nextSleep *= 2;
718 if (_nextSleep > 256) {
719 _nextSleep = 256;
720 }
721 _nextSleep += rand() % 6;
722 }
723 }
724 _nextSleep = 1;
725}
726
727// Call advisory notice script
728////////////////////////////////////////////////////////////////////////////
729void bncGetThread::callScript(const char* _comment) {
730 QMutexLocker locker(&_mutex);
731 if (!_adviseScript.isEmpty()) {
732 msleep(1);
733#ifdef WIN32
734 QProcess::startDetached(_adviseScript, QStringList() << _staID << _comment) ;
735#else
736 QProcess::startDetached("nohup", QStringList() << _adviseScript << _staID << _comment) ;
737#endif
738 }
739}
Note: See TracBrowser for help on using the repository browser.