source: ntrip/trunk/BNC/src/upload/bncuploadcaster.cpp@ 9720

Last change on this file since 9720 was 9720, 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 ////////////////////////////////////////////////////////////////////////////
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
132 msg += QString("Server Certificate Issued by:\n"
133 "%1\n%2\nCannot be verified\n")
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 emit(newMessage(msg.toLatin1(), true));
149
150 if (_sslIgnoreErrors) { cout << "_sslIgnoreErrors" << endl;
151 if (_outSocket) {cout << "no Socket" << endl;
152 _outSocket->ignoreSslErrors();
153 } else {
154 cout << "no Socket" << endl;
155 }
156 } else {
157 delete _outSocket;
158 _outSocket = 0;
159 }
160}
161
162
163// Endless Loop
164////////////////////////////////////////////////////////////////////////////
165void bncUploadCaster::run() {
166 while (true) {
167 if (_isToBeDeleted) {
168 QThread::quit();
169 deleteLater();
170 return;
171 }
172 open();
173 if (_outSocket && _outSocket->state() == QAbstractSocket::ConnectedState) {
174 QMutexLocker locker(&_mutex);
175 if (_outBuffer.size() > 0) {
176 if (_ntripVersion == "1") {
177 _outSocket->write(_outBuffer);
178 _outSocket->flush();
179 } else {
180 QString chunkSize = QString("%1").arg(_outBuffer.size(), 0, 16,
181 QLatin1Char('0'));
182 QByteArray chunkedData = chunkSize.toLatin1() + "\r\n" + _outBuffer
183 + "\r\n";
184 _outSocket->write(chunkedData);
185 _outSocket->flush();
186 }
187 emit newBytes(_mountpoint.toLatin1(), _outBuffer.size());
188 }
189 }
190 if (_rate == 0) {
191 {
192 QMutexLocker locker(&_mutex);
193 _outBuffer.clear();
194 }
195 msleep(100); //sleep 0.1 sec
196 } else {
197 sleep(_rate);
198 }
199 }
200}
201
202// Start the Communication with NTRIP Caster
203////////////////////////////////////////////////////////////////////////////
204void bncUploadCaster::open() {
205 const int timeOut = 5000; // 5 seconds
206 bncSslConfig sslConfig;
207 QByteArray msg;
208
209
210 if (_mountpoint.isEmpty()) {
211 return;
212 }
213
214 if (_outSocket != 0) {
215 if (_outSocket->state() == QAbstractSocket::ConnectedState) {
216 return;
217 } else {
218 emit(newMessage(
219 "Broadcaster: No connection for " + _mountpoint.toLatin1(), true));
220 }
221 }
222 delete _outSocket;
223 _outSocket = 0;
224
225 double minDt = pow(2.0, _sOpenTrial);
226 if (++_sOpenTrial > 4) {
227 _sOpenTrial = 4;
228 }
229 if (_outSocketOpenTime.isValid()
230 && _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
231 return;
232 } else {
233 _outSocketOpenTime = QDateTime::currentDateTime();
234 }
235
236 _outSocket = new QSslSocket();
237
238 _outSocket->setSslConfiguration(sslConfig);
239 _outSocket->setProxy(QNetworkProxy::NoProxy);
240
241 if (_proxy) {
242 if (_ntripVersion == "1") {
243 emit(newMessage("No proxy support in Ntrip Version 1 upload!", true));
244 delete _outSocket;
245 _outSocket = 0;
246 return;
247 }
248 connect(_outSocket, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
249 this,SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
250
251 if (!connectToHost(_proxyOutHost, _proxyOutPort, false)) {
252 return;
253 }
254
255 if (_secure) {
256 msg = "CONNECT " + _casterOutHost.toLatin1() + ":"
257 + QString("%1").arg(_casterOutPort).toLatin1() + " HTTP/1.1\r\n"
258 + "Proxy-Connection: Keep-Alive\r\n"
259 + "Host: " + _casterOutHost.toLatin1() + "\r\n"
260 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
261 + "\r\n"; cout << msg.toStdString().c_str();
262 _outSocket->write(msg);
263 _outSocket->waitForBytesWritten();
264 _outSocket->waitForReadyRead();
265 QByteArray ans = _outSocket->readLine(); cout << ans.toStdString().c_str() << endl;
266 if (ans.indexOf("200") == -1) {
267 emit(newMessage(
268 "Proxy: Connection broken for " + _mountpoint.toLatin1()
269 + ": " + ans.left(ans.length() - 2), true));
270 delete _outSocket;
271 _outSocket = 0;
272 return;
273 } else {
274 emit(newMessage(
275 "Proxy: Connection opened for " + _mountpoint.toLatin1()
276 + ": " + ans.left(ans.length() - 2), true));
277 _sOpenTrial = 0;
278 _outSocket->setPeerVerifyName(_casterOutHost);
279 _outSocket->startClientEncryption();
280 if (!_outSocket->waitForEncrypted(timeOut)) {
281 emit(newMessage(
282 "Proxy: Encrypt timeout for " + _mountpoint.toLatin1() + " ("
283 + _casterOutHost.toLatin1() + ":"
284 + QString("%1) ").arg(_casterOutPort).toLatin1()
285 + _outSocket->errorString().toLatin1(), true));
286 delete _outSocket;
287 _outSocket = 0;
288 return;
289 } else {
290 emit(newMessage("Proxy: SSL handshake completed for " + _mountpoint.toLatin1(), true));
291 }
292 }
293 }
294 } else {
295 if (!connectToHost(_casterOutHost, _casterOutPort, _secure)) {
296 return;
297 }
298 }
299
300 connect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
301
302 if (_ntripVersion == "1") {
303 msg = "SOURCE " + _password.toLatin1() + " /" + _mountpoint.toLatin1()
304 + "\r\n" + "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
305 } else {
306 msg = "POST " + _postExtension.toLatin1() + "/" + _mountpoint.toLatin1()
307 + " HTTP/1.1\r\n" + "Host: " + _casterOutHost.toLatin1() + "\r\n"
308 + "Ntrip-Version: Ntrip/2.0\r\n" + "Authorization: Basic "
309 + (_userName + ":" + _password).toLatin1().toBase64() + "\r\n"
310 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
311 + "Connection: close\r\n" + "Transfer-Encoding: chunked\r\n\r\n";
312 }
313 cout << msg.toStdString().c_str();
314 _outSocket->write(msg);
315 _outSocket->waitForBytesWritten();
316 _outSocket->waitForReadyRead();
317
318 QByteArray ans = _outSocket->readLine(); cout << "ans: " << ans.toStdString().c_str() << endl;
319
320 if (ans.indexOf("200") == -1) {
321 delete _outSocket;
322 _outSocket = 0;
323 emit(newMessage(
324 "Broadcaster: Connection broken for " + _mountpoint.toLatin1() + ": "
325 + ans.left(ans.length() - 2), true));
326 } else {
327 emit(newMessage(
328 "Broadcaster: Connection opened for " + _mountpoint.toLatin1() + ": "
329 + ans.left(ans.length() - 2), true));
330 _sOpenTrial = 0;
331 }
332}
333
334// Try connection to NTRIP Caster or Proxy
335////////////////////////////////////////////////////////////////////////////
336bool bncUploadCaster::connectToHost(QString outHost, int outPort, bool encrypted) {
337 const int timeOut = 5000; // 5 seconds
338 if (encrypted) {
339 _outSocket->connectToHostEncrypted(outHost, outPort);
340 if (!_outSocket->waitForEncrypted(timeOut)) {
341 emit(newMessage(
342 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
343 + outHost.toLatin1() + ":"
344 + QString("%1) ").arg(outPort).toLatin1()
345 + _outSocket->errorString().toLatin1(), true));
346 delete _outSocket;
347 _outSocket = 0;
348 return false;
349 } else {
350 emit(newMessage("Broadcaster: SSL handshake completed for " + _mountpoint.toLatin1(), true));
351 }
352 } else {
353 _outSocket->connectToHost(outHost, outPort);
354 if (!_outSocket->waitForConnected(timeOut)) {
355 emit(newMessage(
356 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
357 + outHost.toLatin1() + ":"
358 + QString("%1) ").arg(outPort).toLatin1()
359 + _outSocket->errorString().toLatin1(), true));
360 delete _outSocket;
361 _outSocket = 0;
362 return false;
363 }
364 }
365 return true;
366}
367
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