source: ntrip/trunk/BNC/src/upload/bncuploadcaster.cpp@ 9726

Last change on this file since 9726 was 9726, checked in by stuerze, 2 years 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 ////////////////////////////////////////////////////////////////////////////
124void bncUploadCaster::slotSslErrors(QList<QSslError> errors) {
125 QString msg = "SSL Error: ";
126 if (_outSocket) {
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#if QT_VERSION >= 0x050000
134 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).at(0))
135 .arg(cert.issuerInfo(QSslCertificate::Organization).at(0));
136#else
137 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName))
138 .arg(cert.issuerInfo(QSslCertificate::Organization));
139#endif
140 }
141
142 QListIterator<QSslError> it(errors);
143 while (it.hasNext()) {
144 const QSslError& err = it.next();
145 msg += err.errorString();
146 }
147 cout << "msg.toStdString(): " << msg.toStdString().c_str() << endl;
148 emit(newMessage(msg.toLatin1(), true));
149
150 if (_sslIgnoreErrors) {
151 _outSocket->ignoreSslErrors();
152 emit(newMessage("BNC ignores SSL errors as configured", true));
153 }
154 }
155}
156
157
158// Endless Loop
159////////////////////////////////////////////////////////////////////////////
160void bncUploadCaster::run() {
161 while (true) {
162 if (_isToBeDeleted) {
163 QThread::quit();
164 deleteLater();
165 return;
166 }
167 open();
168 if (_outSocket && _outSocket->state() == QAbstractSocket::ConnectedState) {
169 QMutexLocker locker(&_mutex);
170 if (_outBuffer.size() > 0) {
171 if (_ntripVersion == "1") {
172 _outSocket->write(_outBuffer);
173 _outSocket->flush();
174 } else {
175 QString chunkSize = QString("%1").arg(_outBuffer.size(), 0, 16,
176 QLatin1Char('0'));
177 QByteArray chunkedData = chunkSize.toLatin1() + "\r\n" + _outBuffer
178 + "\r\n";
179 _outSocket->write(chunkedData);
180 _outSocket->flush();
181 }
182 emit newBytes(_mountpoint.toLatin1(), _outBuffer.size());
183 }
184 }
185 if (_rate == 0) {
186 {
187 QMutexLocker locker(&_mutex);
188 _outBuffer.clear();
189 }
190 msleep(100); //sleep 0.1 sec
191 } else {
192 sleep(_rate);
193 }
194 }
195}
196
197// Start the Communication with NTRIP Caster
198////////////////////////////////////////////////////////////////////////////
199void bncUploadCaster::open() {
200 const int timeOut = 5000; // 5 seconds
201 bncSslConfig sslConfig;
202 QByteArray msg;
203
204
205 if (_mountpoint.isEmpty()) {
206 return;
207 }
208
209 if (_outSocket != 0) {
210 if (_outSocket->state() == QAbstractSocket::ConnectedState) {
211 return;
212 } else {
213 emit(newMessage(
214 "Broadcaster: No connection for " + _mountpoint.toLatin1(), true));
215 }
216 }
217 delete _outSocket;
218 _outSocket = 0;
219
220 double minDt = pow(2.0, _sOpenTrial);
221 if (++_sOpenTrial > 4) {
222 _sOpenTrial = 4;
223 }
224 if (_outSocketOpenTime.isValid()
225 && _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
226 return;
227 } else {
228 _outSocketOpenTime = QDateTime::currentDateTime();
229 }
230
231 _outSocket = new QSslSocket();
232 _outSocket->setSslConfiguration(sslConfig);
233 _outSocket->setProxy(QNetworkProxy::NoProxy);
234 connect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
235
236 if (_proxy) {
237 if (_ntripVersion == "1") {
238 emit(newMessage("No proxy support in Ntrip Version 1 upload!", true));
239 delete _outSocket;
240 _outSocket = 0;
241 return;
242 }
243 connect(_outSocket, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
244 this,SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
245
246 if (!connectToHost(_proxyOutHost, _proxyOutPort, false)) {
247 return;
248 }
249
250 if (_secure) {
251 msg = "CONNECT " + _casterOutHost.toLatin1() + ":"
252 + QString("%1").arg(_casterOutPort).toLatin1() + " HTTP/1.1\r\n"
253 + "Proxy-Connection: Keep-Alive\r\n"
254 + "Host: " + _casterOutHost.toLatin1() + "\r\n"
255 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
256 + "\r\n"; cout << msg.toStdString().c_str();
257 _outSocket->write(msg);
258 _outSocket->waitForBytesWritten();
259 _outSocket->waitForReadyRead();
260 QByteArray ans = _outSocket->readLine(); cout << ans.toStdString().c_str() << endl;
261 if (ans.indexOf("200") == -1) {
262 emit(newMessage(
263 "Proxy: Connection broken for " + _mountpoint.toLatin1()
264 + ": " + ans.left(ans.length() - 2), true));
265 delete _outSocket;
266 _outSocket = 0;
267 return;
268 } else {
269 emit(newMessage(
270 "Proxy: Connection opened for " + _mountpoint.toLatin1()
271 + ": " + ans.left(ans.length() - 2), true));
272 _sOpenTrial = 0;
273 _outSocket->setPeerVerifyName(_casterOutHost);
274 _outSocket->startClientEncryption();
275 if (!_outSocket->waitForEncrypted(timeOut)) {
276 emit(newMessage(
277 "Proxy: Encrypt timeout for " + _mountpoint.toLatin1() + " ("
278 + _casterOutHost.toLatin1() + ":"
279 + QString("%1) ").arg(_casterOutPort).toLatin1()
280 + _outSocket->errorString().toLatin1(), true));
281 delete _outSocket;
282 _outSocket = 0;
283 return;
284 } else {
285 emit(newMessage("Proxy: SSL handshake completed for " + _mountpoint.toLatin1(), true));
286 }
287 }
288 }
289 } else {
290 if (!connectToHost(_casterOutHost, _casterOutPort, _secure)) {
291 return;
292 }
293 }
294
295 if (_ntripVersion == "1") {
296 msg = "SOURCE " + _password.toLatin1() + " /" + _mountpoint.toLatin1()
297 + "\r\n" + "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
298 } else {
299 msg = "POST " + _postExtension.toLatin1() + "/" + _mountpoint.toLatin1()
300 + " HTTP/1.1\r\n" + "Host: " + _casterOutHost.toLatin1() + "\r\n"
301 + "Ntrip-Version: Ntrip/2.0\r\n" + "Authorization: Basic "
302 + (_userName + ":" + _password).toLatin1().toBase64() + "\r\n"
303 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
304 + "Connection: close\r\n" + "Transfer-Encoding: chunked\r\n\r\n";
305 }
306 cout << msg.toStdString().c_str();
307 _outSocket->write(msg);
308 _outSocket->waitForBytesWritten();
309 _outSocket->waitForReadyRead();
310
311 QByteArray ans = _outSocket->readLine(); cout << "ans: " << ans.toStdString().c_str() << endl;
312
313 if (ans.indexOf("200") == -1) {
314 delete _outSocket;
315 _outSocket = 0;
316 emit(newMessage(
317 "Broadcaster: Connection broken for " + _mountpoint.toLatin1() + ": "
318 + ans.left(ans.length() - 2), true));
319 } else {
320 emit(newMessage(
321 "Broadcaster: Connection opened for " + _mountpoint.toLatin1() + ": "
322 + ans.left(ans.length() - 2), true));
323 _sOpenTrial = 0;
324 }
325}
326
327// Try connection to NTRIP Caster or Proxy
328////////////////////////////////////////////////////////////////////////////
329bool bncUploadCaster::connectToHost(QString outHost, int outPort, bool encrypted) {
330 const int timeOut = 5000; // 5 seconds
331 if (encrypted) {
332 _outSocket->connectToHostEncrypted(outHost, outPort);
333 if (!_outSocket->waitForEncrypted(timeOut)) {
334 emit(newMessage(
335 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
336 + outHost.toLatin1() + ":"
337 + QString("%1) ").arg(outPort).toLatin1()
338 + _outSocket->errorString().toLatin1(), true));
339 delete _outSocket;
340 _outSocket = 0;
341 return false;
342 } else {
343 emit(newMessage("Broadcaster: SSL handshake completed for " + _mountpoint.toLatin1(), true));
344 }
345 } else {
346 _outSocket->connectToHost(outHost, outPort);
347 if (!_outSocket->waitForConnected(timeOut)) {
348 emit(newMessage(
349 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
350 + outHost.toLatin1() + ":"
351 + QString("%1) ").arg(outPort).toLatin1()
352 + _outSocket->errorString().toLatin1(), true));
353 delete _outSocket;
354 _outSocket = 0;
355 return false;
356 }
357 }
358 return true;
359}
360
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