source: ntrip/branches/BNC_2.12/src/bnccaster.cpp@ 8373

Last change on this file since 8373 was 8373, checked in by stuerze, 3 years ago

minor changes to allow 10 Hz observation data processing (latency checker) and resampling (RINEX files, feed engine)

File size: 16.1 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: bncCaster
30 *
31 * Purpose: buffers and disseminates the data
32 *
33 * Author: L. Mervart
34 *
35 * Created: 24-Dec-2005
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <math.h>
42#include <unistd.h>
43#include <iostream>
44#include <iomanip>
45#include <sstream>
46
47#include "bnccaster.h"
48#include "bncrinex.h"
49#include "bnccore.h"
50#include "bncgetthread.h"
51#include "bncutils.h"
52#include "bncsettings.h"
53
54using namespace std;
55
56// Constructor
57////////////////////////////////////////////////////////////////////////////
58bncCaster::bncCaster() {
59
60 bncSettings settings;
61
62 connect(this, SIGNAL(newMessage(QByteArray,bool)),
63 BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
64
65 _outFile = 0;
66 _out = 0;
67 reopenOutFile();
68
69 int port = settings.value("outPort").toInt();
70
71 if (port != 0) {
72 _server = new QTcpServer;
73 if ( !_server->listen(QHostAddress::Any, port) ) {
74 emit newMessage("bncCaster: Cannot listen on sync port", true);
75 }
76 connect(_server, SIGNAL(newConnection()), this, SLOT(slotNewConnection()));
77 _sockets = new QList<QTcpSocket*>;
78 }
79 else {
80 _server = 0;
81 _sockets = 0;
82 }
83
84 int uPort = settings.value("outUPort").toInt();
85 if (uPort != 0) {
86 _uServer = new QTcpServer;
87 if ( !_uServer->listen(QHostAddress::Any, uPort) ) {
88 emit newMessage("bncCaster: Cannot listen on usync port", true);
89 }
90 connect(_uServer, SIGNAL(newConnection()), this, SLOT(slotNewUConnection()));
91 _uSockets = new QList<QTcpSocket*>;
92 }
93 else {
94 _uServer = 0;
95 _uSockets = 0;
96 }
97
98 _samplingRate = settings.value("outSampl").toInt();
99 _outWait = settings.value("outWait").toDouble();
100 if (_outWait <= 0.0) {
101 _outWait = 0.01;
102 }
103 _confInterval = -1;
104
105 // Miscellaneous output port
106 // -------------------------
107 _miscMount = settings.value("miscMount").toString();
108 _miscPort = settings.value("miscPort").toInt();
109 if (!_miscMount.isEmpty() && _miscPort != 0) {
110 _miscServer = new QTcpServer;
111 if ( !_miscServer->listen(QHostAddress::Any, _miscPort) ) {
112 emit newMessage("bncCaster: Cannot listen on Miscellaneous Output Port", true);
113 }
114 connect(_miscServer, SIGNAL(newConnection()), this, SLOT(slotNewMiscConnection()));
115 _miscSockets = new QList<QTcpSocket*>;
116 }
117 else {
118 _miscServer = 0;
119 _miscSockets = 0;
120 }
121}
122
123// Destructor
124////////////////////////////////////////////////////////////////////////////
125bncCaster::~bncCaster() {
126
127 QMutexLocker locker(&_mutex);
128
129 QListIterator<bncGetThread*> it(_threads);
130 while(it.hasNext()){
131 bncGetThread* thread = it.next();
132 disconnect(thread, 0, 0, 0);
133 _staIDs.removeAll(thread->staID());
134 _threads.removeAll(thread);
135 thread->terminate();
136 }
137 delete _out;
138 delete _outFile;
139 delete _server;
140 delete _sockets;
141 delete _uServer;
142 delete _uSockets;
143 delete _miscServer;
144 delete _miscSockets;
145}
146
147// New Observations
148////////////////////////////////////////////////////////////////////////////
149void bncCaster::slotNewObs(const QByteArray staID, QList<t_satObs> obsList) {
150
151 QMutexLocker locker(&_mutex);
152
153 reopenOutFile();
154
155 unsigned index = 0;
156 QMutableListIterator<t_satObs> it(obsList);
157 while (it.hasNext()) {
158 ++index;
159 t_satObs& obs = it.next();
160
161 // Rename the Station
162 // ------------------
163 obs._staID = staID.data();
164
165 // Output into the socket
166 // ----------------------
167 if (_uSockets) {
168
169 ostringstream oStr;
170 oStr.setf(ios::showpoint | ios::fixed);
171 oStr << obs._staID << " "
172 << setw(4) << obs._time.gpsw() << " "
173 << setw(14) << setprecision(7) << obs._time.gpssec() << " "
174 << bncRinex::asciiSatLine(obs) << endl;
175
176 string hlpStr = oStr.str();
177
178 QMutableListIterator<QTcpSocket*> is(*_uSockets);
179 while (is.hasNext()) {
180 QTcpSocket* sock = is.next();
181 if (sock->state() == QAbstractSocket::ConnectedState) {
182 int numBytes = hlpStr.length();
183 if (myWrite(sock, hlpStr.c_str(), numBytes) != numBytes) {
184 delete sock;
185 is.remove();
186 }
187 }
188 else if (sock->state() != QAbstractSocket::ConnectingState) {
189 delete sock;
190 is.remove();
191 }
192 }
193 }
194
195 // First time: set the _lastDumpTime
196 // ---------------------------------
197 if (!_lastDumpTime.valid()) {
198 _lastDumpTime = obs._time - 1.0;
199 }
200
201 // An old observation - throw it away
202 // ----------------------------------
203 if (obs._time <= _lastDumpTime) {
204 if (index == 1) {
205 bncSettings settings;
206 if ( !settings.value("outFile").toString().isEmpty() ||
207 !settings.value("outPort").toString().isEmpty() ) {
208 emit( newMessage(QString("%1: Old epoch %2 thrown away")
209 .arg(staID.data()).arg(string(obs._time).c_str())
210 .toAscii(), true) );
211 }
212 }
213 continue;
214 }
215
216 // Save the observation
217 // --------------------
218 _epochs[obs._time].append(obs);
219
220 // Dump Epochs
221 // -----------
222 if (obs._time - _outWait > _lastDumpTime) {
223 dumpEpochs(obs._time - _outWait);
224 _lastDumpTime = obs._time - _outWait;
225 }
226 }
227}
228
229// New Connection
230////////////////////////////////////////////////////////////////////////////
231void bncCaster::slotNewConnection() {
232 _sockets->push_back( _server->nextPendingConnection() );
233 emit( newMessage(QString("New client connection on sync port: # %1")
234 .arg(_sockets->size()).toAscii(), true) );
235}
236
237void bncCaster::slotNewUConnection() {
238 _uSockets->push_back( _uServer->nextPendingConnection() );
239 emit( newMessage(QString("New client connection on usync port: # %1")
240 .arg(_uSockets->size()).toAscii(), true) );
241}
242
243// Add New Thread
244////////////////////////////////////////////////////////////////////////////
245void bncCaster::addGetThread(bncGetThread* getThread, bool noNewThread) {
246
247 qRegisterMetaType<t_satObs>("t_satObs");
248 qRegisterMetaType< QList<t_satObs> >("QList<t_satObs>");
249
250 connect(getThread, SIGNAL(newObs(QByteArray, QList<t_satObs>)),
251 this, SLOT(slotNewObs(QByteArray, QList<t_satObs>)));
252
253 connect(getThread, SIGNAL(newObs(QByteArray, QList<t_satObs>)),
254 this, SIGNAL(newObs(QByteArray, QList<t_satObs>)));
255
256 connect(getThread, SIGNAL(newRawData(QByteArray, QByteArray)),
257 this, SLOT(slotNewRawData(QByteArray, QByteArray)));
258
259 connect(getThread, SIGNAL(getThreadFinished(QByteArray)),
260 this, SLOT(slotGetThreadFinished(QByteArray)));
261
262 _staIDs.push_back(getThread->staID());
263 _threads.push_back(getThread);
264
265 if (noNewThread) {
266 getThread->run();
267 }
268 else {
269 getThread->start();
270 }
271}
272
273// Get Thread destroyed
274////////////////////////////////////////////////////////////////////////////
275void bncCaster::slotGetThreadFinished(QByteArray staID) {
276 QMutexLocker locker(&_mutex);
277
278 QListIterator<bncGetThread*> it(_threads);
279 while (it.hasNext()) {
280 bncGetThread* thread = it.next();
281 if (thread->staID() == staID) {
282 _threads.removeOne(thread);
283 }
284 }
285
286 _staIDs.removeAll(staID);
287 emit( newMessage(
288 QString("Decoding %1 stream(s)").arg(_staIDs.size()).toAscii(), true) );
289 if (_staIDs.size() == 0) {
290 emit(newMessage("bncCaster: Last get thread terminated", true));
291 emit getThreadsFinished();
292 }
293}
294
295// Dump Complete Epochs
296////////////////////////////////////////////////////////////////////////////
297void bncCaster::dumpEpochs(const bncTime& maxTime) {
298
299 QMutableMapIterator<bncTime, QList<t_satObs> > itEpo(_epochs);
300 while (itEpo.hasNext()) {
301 itEpo.next();
302 const bncTime& epoTime = itEpo.key();
303 if (epoTime <= maxTime) {
304 const QList<t_satObs>& allObs = itEpo.value();
305 int sec = int(nint(epoTime.gpssec()*10));
306 if ( (_out || _sockets) && (_samplingRate == 0 || sec % (_samplingRate*10) == 0) ) {
307 QListIterator<t_satObs> it(allObs);
308 bool firstObs = true;
309 while (it.hasNext()) {
310 const t_satObs& obs = it.next();
311
312 ostringstream oStr;
313 oStr.setf(ios::showpoint | ios::fixed);
314 if (firstObs) {
315 firstObs = false;
316 oStr << "> " << obs._time.gpsw() << ' '
317 << setprecision(7) << obs._time.gpssec() << endl;
318 }
319 oStr << obs._staID << ' ' << bncRinex::asciiSatLine(obs) << endl;
320 if (!it.hasNext()) {
321 oStr << endl;
322 }
323 string hlpStr = oStr.str();
324
325 // Output into the File
326 // --------------------
327 if (_out) {
328 *_out << hlpStr.c_str();
329 _out->flush();
330 }
331
332 // Output into the socket
333 // ----------------------
334 if (_sockets) {
335 QMutableListIterator<QTcpSocket*> is(*_sockets);
336 while (is.hasNext()) {
337 QTcpSocket* sock = is.next();
338 if (sock->state() == QAbstractSocket::ConnectedState) {
339 int numBytes = hlpStr.length();
340 if (myWrite(sock, hlpStr.c_str(), numBytes) != numBytes) {
341 delete sock;
342 is.remove();
343 }
344 }
345 else if (sock->state() != QAbstractSocket::ConnectingState) {
346 delete sock;
347 is.remove();
348 }
349 }
350 }
351 }
352 }
353 _epochs.remove(epoTime);
354 }
355 }
356}
357
358// Reread configuration (private slot)
359////////////////////////////////////////////////////////////////////////////
360void bncCaster::slotReadMountPoints() {
361
362 bncSettings settings;
363 settings.reRead();
364
365 readMountPoints();
366}
367
368// Read Mountpoints
369////////////////////////////////////////////////////////////////////////////
370void bncCaster::readMountPoints() {
371
372 bncSettings settings;
373
374 // Reread several options
375 // ----------------------
376 _samplingRate = settings.value("outSampl").toInt();
377 _outWait = settings.value("outWait").toInt();
378 if (_outWait < 1) {
379 _outWait = 1;
380 }
381
382 // Add new mountpoints
383 // -------------------
384 int iMount = -1;
385 QListIterator<QString> it(settings.value("mountPoints").toStringList());
386 while (it.hasNext()) {
387 ++iMount;
388 QStringList hlp = it.next().split(" ");
389 if (hlp.size() < 7) continue;
390 QUrl url(hlp[0]);
391
392 // Does it already exist?
393 // ----------------------
394 bool existFlg = false;
395 QListIterator<bncGetThread*> iTh(_threads);
396 while (iTh.hasNext()) {
397 bncGetThread* thread = iTh.next();
398 if (thread->mountPoint() == url) {
399 existFlg = true;
400 break;
401 }
402 }
403
404 // New bncGetThread
405 // ----------------
406 if (!existFlg) {
407 QByteArray format = hlp[1].toAscii();
408 QByteArray latitude = hlp[3].toAscii();
409 QByteArray longitude = hlp[4].toAscii();
410 QByteArray nmea = hlp[5].toAscii();
411 QByteArray ntripVersion = hlp[6].toAscii();
412
413 bncGetThread* getThread = new bncGetThread(url, format, latitude,
414 longitude, nmea, ntripVersion);
415 addGetThread(getThread);
416
417 }
418 }
419
420 // Remove mountpoints
421 // ------------------
422 QListIterator<bncGetThread*> iTh(_threads);
423 while (iTh.hasNext()) {
424 bncGetThread* thread = iTh.next();
425
426 bool existFlg = false;
427 QListIterator<QString> it(settings.value("mountPoints").toStringList());
428 while (it.hasNext()) {
429 QStringList hlp = it.next().split(" ");
430 if (hlp.size() <= 1) continue;
431 QUrl url(hlp[0]);
432
433 if (thread->mountPoint() == url) {
434 existFlg = true;
435 break;
436 }
437 }
438
439 if (!existFlg) {
440 disconnect(thread, 0, 0, 0);
441 _staIDs.removeAll(thread->staID());
442 _threads.removeAll(thread);
443 thread->terminate();
444 }
445 }
446
447 emit mountPointsRead(_threads);
448 emit( newMessage(QString("Configuration read: "
449 + BNC_CORE->confFileName()
450 + ", %1 stream(s)")
451 .arg(_threads.count()).toAscii(), true) );
452
453 // (Re-) Start the configuration timer
454 // -----------------------------------
455 if (settings.value("onTheFlyInterval").toString() == "no") {
456 return;
457 }
458
459 int ms = 0;
460
461 if (_confInterval != -1) {
462 ms = 1000 * _confInterval;
463 }
464 else {
465 QTime currTime = currentDateAndTimeGPS().time();
466 QTime nextShotTime;
467
468 if (settings.value("onTheFlyInterval").toString() == "1 min") {
469 _confInterval = 60;
470 nextShotTime = QTime(currTime.hour(), currTime.minute()+1, 0);
471 }
472 else if (settings.value("onTheFlyInterval").toString() == "5 min") {
473 _confInterval = 300;
474 nextShotTime = QTime(currTime.hour(), currTime.minute()+5, 0);
475 }
476 else if (settings.value("onTheFlyInterval").toString() == "1 hour") {
477 _confInterval = 3600;
478 nextShotTime = QTime(currTime.hour()+1, 0, 0);
479 }
480 else {
481 _confInterval = 86400;
482 nextShotTime = QTime(23, 59, 59, 999);
483 }
484
485 ms = currTime.msecsTo(nextShotTime);
486 if (ms < 30000) {
487 ms = 30000;
488 }
489 }
490
491 QTimer::singleShot(ms, this, SLOT(slotReadMountPoints()));
492}
493
494//
495////////////////////////////////////////////////////////////////////////////
496int bncCaster::myWrite(QTcpSocket* sock, const char* buf, int bufLen) {
497 sock->write(buf, bufLen);
498 for (int ii = 1; ii <= 10; ii++) {
499 if (sock->waitForBytesWritten(10)) { // wait 10 ms
500 return bufLen;
501 }
502 }
503 return -1;
504}
505
506//
507////////////////////////////////////////////////////////////////////////////
508void bncCaster::reopenOutFile() {
509
510 bncSettings settings;
511
512 QString outFileName = settings.value("outFile").toString();
513 if ( !outFileName.isEmpty() ) {
514 expandEnvVar(outFileName);
515 if (!_outFile || _outFile->fileName() != outFileName) {
516 delete _out;
517 delete _outFile;
518 _outFile = new QFile(outFileName);
519 if ( Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
520 _outFile->open(QIODevice::WriteOnly | QIODevice::Append);
521 }
522 else {
523 _outFile->open(QIODevice::WriteOnly);
524 }
525 _out = new QTextStream(_outFile);
526 _out->setRealNumberNotation(QTextStream::FixedNotation);
527 }
528 }
529 else {
530 delete _out; _out = 0;
531 delete _outFile; _outFile = 0;
532 }
533}
534
535// Output into the Miscellaneous socket
536////////////////////////////////////////////////////////////////////////////
537void bncCaster::slotNewRawData(QByteArray staID, QByteArray data) {
538 if (_miscSockets && (_miscMount == "ALL" || _miscMount == staID)) {
539 QMutableListIterator<QTcpSocket*> is(*_miscSockets);
540 while (is.hasNext()) {
541 QTcpSocket* sock = is.next();
542 if (sock->state() == QAbstractSocket::ConnectedState) {
543 sock->write(data);
544 }
545 else if (sock->state() != QAbstractSocket::ConnectingState) {
546 delete sock;
547 is.remove();
548 }
549 }
550 }
551}
552
553// New Connection
554////////////////////////////////////////////////////////////////////////////
555void bncCaster::slotNewMiscConnection() {
556 _miscSockets->push_back( _miscServer->nextPendingConnection() );
557 emit( newMessage(QString("New client connection on Miscellaneous Output Port: # %1")
558 .arg(_miscSockets->size()).toAscii(), true) );
559}
Note: See TracBrowser for help on using the repository browser.