source: ntrip/trunk/BNC/src/upload/bncuploadcaster.cpp@ 9718

Last change on this file since 9718 was 9718, checked in by stuerze, 3 months ago

minor changes

File size: 11.3 KB
Line 
1/* -------------------------------------------------------------------------
2 * BKG NTRIP Server
3 * -------------------------------------------------------------------------
4 *
5 * Class: bncUploadCaster
6 *
7 * Purpose: Connection to NTRIP Caster
8 *
9 * Author: L. Mervart
10 *
11 * Created: 29-Mar-2011
12 *
13 * Changes:
14 *
15 * -----------------------------------------------------------------------*/
16
17#include <math.h>
18#include "bncuploadcaster.h"
19#include "bncversion.h"
20#include "bnccore.h"
21#include "bnctableitem.h"
22#include "bncsettings.h"
23#include "bncsslconfig.h"
24
25using namespace std;
26
27// Constructor
28////////////////////////////////////////////////////////////////////////////
29bncUploadCaster::bncUploadCaster(const QString &mountpoint,
30 const QString &outHost, int outPort, const QString &ntripVersion,
31 const QString &userName, const QString &password, int iRow, int rate) {
32 bncSettings settings;
33
34 _mountpoint = mountpoint;
35 _casterOutHost = outHost;
36 _casterOutPort = outPort;
37 _ntripVersion = ntripVersion;
38 _userName = userName;
39 _password = password;
40 _outSocket = 0;
41 _sOpenTrial = 0;
42 _iRow = iRow;
43 _rate = rate;
44
45 if (_rate < 0) {
46 _rate = 0;
47 } else if (_rate > 60) {
48 _rate = 60;
49 }
50 _isToBeDeleted = false;
51
52 connect(this, SIGNAL(newMessage(QByteArray,bool)),
53 BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
54
55 if (BNC_CORE->_uploadTableItems.find(_iRow)
56 != BNC_CORE->_uploadTableItems.end()) {
57 connect(this, SIGNAL(newBytes(QByteArray,double)),
58 BNC_CORE->_uploadTableItems.value(iRow),
59 SLOT(slotNewBytes(const QByteArray,double)));
60 }
61 if (BNC_CORE->_uploadEphTableItems.find(_iRow)
62 != BNC_CORE->_uploadEphTableItems.end()) {
63 connect(this, SIGNAL(newBytes(QByteArray,double)),
64 BNC_CORE->_uploadEphTableItems.value(iRow),
65 SLOT(slotNewBytes(const QByteArray,double)));
66 }
67
68 _sslIgnoreErrors = (Qt::CheckState(settings.value("sslIgnoreErrors").toInt())
69 == Qt::Checked);
70
71 _proxyOutHost = settings.value("proxyHost").toString();
72 _proxyOutPort = settings.value("proxyPort").toInt();
73 (_proxyOutHost.isEmpty()) ? _proxy = false : _proxy = true;
74
75 _secure = false;
76 if (_ntripVersion == "2s") {
77 if (!QSslSocket::supportsSsl()) {
78 emit(newMessage(
79 "For SSL support please install OpenSSL run-time libraries: Ntrip Version 2 is tried",
80 true));
81 _ntripVersion == "2";
82 } else {
83 _secure = true;
84 _casterOutPort = 443;
85 }
86 }
87
88 if (!_secure && _proxy) {
89 _postExtension = QString("http://%1:%2").arg(_casterOutHost).arg(_casterOutPort);
90 } else {
91 _postExtension = "";
92 }
93}
94
95// Safe Desctructor
96////////////////////////////////////////////////////////////////////////////
97void bncUploadCaster::deleteSafely() {
98 _isToBeDeleted = true;
99 if (!isRunning()) {
100 delete this;
101 }
102}
103
104// Destructor
105////////////////////////////////////////////////////////////////////////////
106bncUploadCaster::~bncUploadCaster() {
107 if (isRunning()) {
108 wait();
109 }
110 if (_outSocket) {
111 delete _outSocket;
112 }
113}
114
115//
116////////////////////////////////////////////////////////////////////////////
117void bncUploadCaster::slotProxyAuthenticationRequired(const QNetworkProxy&,
118 QAuthenticator*) {
119 emit newMessage("slotProxyAuthenticationRequired", true);
120}
121
122// TSL/SSL
123 ////////////////////////////////////////////////////////////////////////////
124 void bncUploadCaster::slotSslErrors(QList<QSslError> errors) {
125
126 QString msg = "SSL Error\n";
127 QSslCertificate cert = _outSocket->sslConfiguration().peerCertificate();
128 if (!cert.isNull() &&
129 cert.issuerInfo(QSslCertificate::OrganizationalUnitName).count() &&
130 cert.issuerInfo(QSslCertificate::Organization).count()) {
131 msg += QString("Server Certificate Issued by:\n"
132 "%1\n%2\nCannot be verified\n")
133
134#if QT_VERSION >= 0x050000
135 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).at(0))
136 .arg(cert.issuerInfo(QSslCertificate::Organization).at(0));
137#else
138 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName))
139 .arg(cert.issuerInfo(QSslCertificate::Organization));
140#endif
141 }
142
143 QListIterator<QSslError> it(errors);
144 while (it.hasNext()) {
145 const QSslError& err = it.next();
146 msg += "\n" + err.errorString();
147 }
148
149 emit(newMessage(msg.toLatin1(), true));
150
151 if (_sslIgnoreErrors) { cout << "_sslIgnoreErrors" << endl;
152 if (_outSocket) {cout << "no Socket" << endl;
153 _outSocket->ignoreSslErrors();
154 } else {
155 cout << "no Socket" << endl;
156 }
157 } else {
158 delete _outSocket;
159 _outSocket = 0;
160 }
161}
162
163
164// Endless Loop
165////////////////////////////////////////////////////////////////////////////
166void bncUploadCaster::run() {
167 while (true) {
168 if (_isToBeDeleted) {
169 QThread::quit();
170 deleteLater();
171 return;
172 }
173 open();
174 if (_outSocket && _outSocket->state() == QAbstractSocket::ConnectedState) {
175 QMutexLocker locker(&_mutex);
176 if (_outBuffer.size() > 0) {
177 if (_ntripVersion == "1") {
178 _outSocket->write(_outBuffer);
179 _outSocket->flush();
180 } else {
181 QString chunkSize = QString("%1").arg(_outBuffer.size(), 0, 16,
182 QLatin1Char('0'));
183 QByteArray chunkedData = chunkSize.toLatin1() + "\r\n" + _outBuffer
184 + "\r\n";
185 _outSocket->write(chunkedData);
186 _outSocket->flush();
187 }
188 emit newBytes(_mountpoint.toLatin1(), _outBuffer.size());
189 }
190 }
191 if (_rate == 0) {
192 {
193 QMutexLocker locker(&_mutex);
194 _outBuffer.clear();
195 }
196 msleep(100); //sleep 0.1 sec
197 } else {
198 sleep(_rate);
199 }
200 }
201}
202
203// Start the Communication with NTRIP Caster
204////////////////////////////////////////////////////////////////////////////
205void bncUploadCaster::open() {
206 const int timeOut = 5000; // 5 seconds
207 bncSslConfig sslConfig;
208 QByteArray msg;
209
210
211 if (_mountpoint.isEmpty()) {
212 return;
213 }
214
215 if (_outSocket != 0) {
216 if (_outSocket->state() == QAbstractSocket::ConnectedState) {
217 return;
218 } else {
219 emit(newMessage(
220 "Broadcaster: No connection for " + _mountpoint.toLatin1(), true));
221 }
222 }
223 delete _outSocket;
224 _outSocket = 0;
225
226 double minDt = pow(2.0, _sOpenTrial);
227 if (++_sOpenTrial > 4) {
228 _sOpenTrial = 4;
229 }
230 if (_outSocketOpenTime.isValid()
231 && _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
232 return;
233 } else {
234 _outSocketOpenTime = QDateTime::currentDateTime();
235 }
236
237 _outSocket = new QSslSocket();
238
239 _outSocket->setSslConfiguration(sslConfig);
240 _outSocket->setProxy(QNetworkProxy::NoProxy);
241
242 if (_proxy) {
243 if (_ntripVersion == "1") {
244 emit(newMessage("No proxy support in Ntrip Version 1 upload!", true));
245 delete _outSocket;
246 _outSocket = 0;
247 return;
248 }
249 connect(_outSocket, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
250 this,SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
251
252 if (!connectToHost(_proxyOutHost, _proxyOutPort, false)) {
253 return;
254 }
255
256 if (_secure) {
257 msg = "CONNECT " + _casterOutHost.toLatin1() + ":"
258 + QString("%1").arg(_casterOutPort).toLatin1() + " HTTP/1.1\r\n"
259 + "Proxy-Connection: Keep-Alive\r\n"
260 + "Host: " + _casterOutHost.toLatin1() + "\r\n"
261 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
262 + "\r\n"; cout << msg.toStdString().c_str();
263 _outSocket->write(msg);
264 _outSocket->waitForBytesWritten();
265 _outSocket->waitForReadyRead();
266 QByteArray ans = _outSocket->readLine(); cout << ans.toStdString().c_str() << endl;
267 if (ans.indexOf("200") == -1) {
268 emit(newMessage(
269 "Proxy: Connection broken for " + _mountpoint.toLatin1()
270 + ": " + ans.left(ans.length() - 2), true));
271 delete _outSocket;
272 _outSocket = 0;
273 return;
274 } else {
275 emit(newMessage(
276 "Proxy: Connection opened for " + _mountpoint.toLatin1()
277 + ": " + ans.left(ans.length() - 2), true));
278 _sOpenTrial = 0;
279 _outSocket->setPeerVerifyName(_casterOutHost);
280 _outSocket->startClientEncryption();
281 if (!_outSocket->waitForEncrypted(timeOut)) {
282 emit(newMessage(
283 "Proxy: Encrypt timeout for " + _mountpoint.toLatin1() + " ("
284 + _casterOutHost.toLatin1() + ":"
285 + QString("%1) ").arg(_casterOutPort).toLatin1()
286 + _outSocket->errorString().toLatin1(), true));
287 delete _outSocket;
288 _outSocket = 0;
289 return;
290 } else {
291 emit(newMessage("Proxy: SSL handshake completed for " + _mountpoint.toLatin1(), true));
292 }
293 }
294 }
295 } else {
296 if (!connectToHost(_casterOutHost, _casterOutPort, _secure)) {
297 return;
298 }
299 }
300
301 connect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
302
303 if (_ntripVersion == "1") {
304 msg = "SOURCE " + _password.toLatin1() + " /" + _mountpoint.toLatin1()
305 + "\r\n" + "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
306 } else {
307 msg = "POST " + _postExtension.toLatin1() + "/" + _mountpoint.toLatin1()
308 + " HTTP/1.1\r\n" + "Host: " + _casterOutHost.toLatin1() + "\r\n"
309 + "Ntrip-Version: Ntrip/2.0\r\n" + "Authorization: Basic "
310 + (_userName + ":" + _password).toLatin1().toBase64() + "\r\n"
311 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
312 + "Connection: close\r\n" + "Transfer-Encoding: chunked\r\n\r\n";
313 }
314 cout << msg.toStdString().c_str();
315 _outSocket->write(msg);
316 _outSocket->waitForBytesWritten();
317 _outSocket->waitForReadyRead();
318
319 QByteArray ans = _outSocket->readLine(); cout << "ans: " << ans.toStdString().c_str() << endl;
320
321 if (ans.indexOf("200") == -1) {
322 delete _outSocket;
323 _outSocket = 0;
324 emit(newMessage(
325 "Broadcaster: Connection broken for " + _mountpoint.toLatin1() + ": "
326 + ans.left(ans.length() - 2), true));
327 } else {
328 emit(newMessage(
329 "Broadcaster: Connection opened for " + _mountpoint.toLatin1() + ": "
330 + ans.left(ans.length() - 2), true));
331 _sOpenTrial = 0;
332 }
333}
334
335// Try connection to NTRIP Caster or Proxy
336////////////////////////////////////////////////////////////////////////////
337bool bncUploadCaster::connectToHost(QString outHost, int outPort, bool encrypted) {
338 const int timeOut = 5000; // 5 seconds
339 if (encrypted) {
340 _outSocket->connectToHostEncrypted(outHost, outPort);
341 if (!_outSocket->waitForEncrypted(timeOut)) {
342 emit(newMessage(
343 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
344 + outHost.toLatin1() + ":"
345 + QString("%1) ").arg(outPort).toLatin1()
346 + _outSocket->errorString().toLatin1(), true));
347 delete _outSocket;
348 _outSocket = 0;
349 return false;
350 } else {
351 emit(newMessage("Broadcaster: SSL handshake completed for " + _mountpoint.toLatin1(), true));
352 }
353 } else {
354 _outSocket->connectToHost(outHost, outPort);
355 if (!_outSocket->waitForConnected(timeOut)) {
356 emit(newMessage(
357 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
358 + outHost.toLatin1() + ":"
359 + QString("%1) ").arg(outPort).toLatin1()
360 + _outSocket->errorString().toLatin1(), true));
361 delete _outSocket;
362 _outSocket = 0;
363 return false;
364 }
365 }
366 return true;
367}
368
369
370
371
372
373
374
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