source: ntrip/trunk/BNC/src/upload/bncuploadcaster.cpp@ 9757

Last change on this file since 9757 was 9757, checked in by stuerze, 2 months ago

minor changes

File size: 10.7 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)), BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
53
54 if (BNC_CORE->_uploadTableItems.find(_iRow) != BNC_CORE->_uploadTableItems.end()) {
55 connect(this, SIGNAL(newBytes(QByteArray,double)),
56 BNC_CORE->_uploadTableItems.value(iRow),
57 SLOT(slotNewBytes(const QByteArray,double)));
58 }
59 if (BNC_CORE->_uploadEphTableItems.find(_iRow) != BNC_CORE->_uploadEphTableItems.end()) {
60 connect(this, SIGNAL(newBytes(QByteArray,double)),
61 BNC_CORE->_uploadEphTableItems.value(iRow),
62 SLOT(slotNewBytes(const QByteArray,double)));
63 }
64
65 _sslIgnoreErrors = (Qt::CheckState(settings.value("sslIgnoreErrors").toInt()) == Qt::Checked);
66
67 _proxyOutHost = settings.value("proxyHost").toString();
68 _proxyOutPort = settings.value("proxyPort").toInt();
69 (_proxyOutHost.isEmpty()) ? _proxy = false : _proxy = true;
70
71 _secure = false;
72 if (_ntripVersion == "2s") {
73 if (!QSslSocket::supportsSsl()) {
74 emit(newMessage(
75 "For SSL support please install OpenSSL run-time libraries: Ntrip Version 2 is tried",
76 true));
77 _ntripVersion == "2";
78 } else {
79 _secure = true;
80 _casterOutPort = 443;
81 }
82 }
83
84 if (!_secure && _proxy) {
85 _postExtension = QString("http://%1:%2").arg(_casterOutHost).arg(_casterOutPort);
86 } else {
87 _postExtension = "";
88 }
89}
90
91// Safe Desctructor
92////////////////////////////////////////////////////////////////////////////
93void bncUploadCaster::deleteSafely() {
94 _isToBeDeleted = true;
95 if (!isRunning()) {
96 delete this;
97 }
98}
99
100// Destructor
101////////////////////////////////////////////////////////////////////////////
102bncUploadCaster::~bncUploadCaster() {
103 if (isRunning()) {
104 wait();
105 }
106 if (_outSocket) {
107 delete _outSocket;
108 }
109}
110
111//
112////////////////////////////////////////////////////////////////////////////
113void bncUploadCaster::slotProxyAuthenticationRequired(const QNetworkProxy&,
114 QAuthenticator*) {
115 emit newMessage("slotProxyAuthenticationRequired", true);
116}
117
118// TSL/SSL
119 ////////////////////////////////////////////////////////////////////////////
120void bncUploadCaster::slotSslErrors(QList<QSslError> errors) {
121 QString msg = "SSL Error: ";
122 if (_outSocket) {
123 QSslCertificate cert = _outSocket->sslConfiguration().peerCertificate();
124 if (!cert.isNull() &&
125 cert.issuerInfo(QSslCertificate::OrganizationalUnitName).count() &&
126 cert.issuerInfo(QSslCertificate::Organization).count()) {
127 msg += QString("Server Certificate Issued by:\n" "%1\n%2\nCannot be verified\n")
128#if QT_VERSION >= 0x050000
129 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).at(0))
130 .arg(cert.issuerInfo(QSslCertificate::Organization).at(0));
131#else
132 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName))
133 .arg(cert.issuerInfo(QSslCertificate::Organization));
134#endif
135 }
136
137 QListIterator<QSslError> it(errors);
138 while (it.hasNext()) {
139 const QSslError& err = it.next();
140 msg += err.errorString();
141 }
142 emit(newMessage(msg.toLatin1(), true));
143 }
144}
145
146
147// Endless Loop
148////////////////////////////////////////////////////////////////////////////
149void bncUploadCaster::run() {
150 while (true) {
151 if (_isToBeDeleted) {
152 QThread::quit();
153 deleteLater();
154 return;
155 }
156 open();
157 if (_outSocket && _outSocket->state() == QAbstractSocket::ConnectedState) {
158 QMutexLocker locker(&_mutex);
159 if (_outBuffer.size() > 0) {
160 if (_ntripVersion == "1") {
161 _outSocket->write(_outBuffer);
162 } else {
163 QString chunkSize = QString("%1").arg(_outBuffer.size(), 0, 16, QLatin1Char('0'));
164 QByteArray chunkedData = chunkSize.toLatin1() + "\r\n" + _outBuffer + "\r\n";
165 _outSocket->write(chunkedData);
166 }
167 _outSocket->flush();
168 emit newBytes(_mountpoint.toLatin1(), _outBuffer.size());
169 }
170 }
171 if (_rate == 0) {
172 {
173 QMutexLocker locker(&_mutex);
174 _outBuffer.clear();
175 }
176 msleep(100); //sleep 0.1 sec
177 } else {
178 sleep(_rate);
179 }
180 }
181}
182
183// Start the Communication with NTRIP Caster
184////////////////////////////////////////////////////////////////////////////
185void bncUploadCaster::open() {
186 const int timeOut = 5000; // 5 seconds
187 QByteArray msg;
188
189 if (_mountpoint.isEmpty()) {
190 return;
191 }
192
193 if (_outSocket != 0 &&
194 _outSocket->state() == QAbstractSocket::ConnectedState) {
195 return;
196 }
197
198 delete _outSocket; _outSocket = 0;
199
200 double minDt = pow(2.0, _sOpenTrial);
201 if (++_sOpenTrial > 4) {
202 _sOpenTrial = 4;
203 }
204 if (_outSocketOpenTime.isValid()
205 && _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
206 return;
207 } else {
208 _outSocketOpenTime = QDateTime::currentDateTime();
209 }
210
211 _outSocket = new QSslSocket();
212 _outSocket->setProxy(QNetworkProxy::NoProxy);
213
214 if (_sslIgnoreErrors) {
215 _outSocket->ignoreSslErrors();
216 } else {
217 _outSocket->setSslConfiguration(BNC_SSL_CONFIG);
218 connect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
219 }
220
221 if (!_proxy) {
222 if (!connectToHost(_casterOutHost, _casterOutPort, _secure)) {
223 return;
224 }
225 } else {
226 if (_ntripVersion == "1") {
227 emit(newMessage("No proxy support in Ntrip Version 1 upload!", true));
228 delete _outSocket; _outSocket = 0;
229 return;
230 }
231 connect(_outSocket, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
232 this,SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
233
234 if (!connectToHost(_proxyOutHost, _proxyOutPort, false)) {
235 return;
236 }
237
238 if (_secure) {
239 msg = "CONNECT " + _casterOutHost.toLatin1() + ":"
240 + QString("%1").arg(_casterOutPort).toLatin1() + " HTTP/1.1\r\n"
241 + "Proxy-Connection: Keep-Alive\r\n"
242 + "Host: " + _casterOutHost.toLatin1() + "\r\n"
243 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
244 + "\r\n";
245 _outSocket->write(msg);
246 _outSocket->waitForBytesWritten();
247 _outSocket->waitForReadyRead();
248
249 QByteArray ans = _outSocket->readAll();
250 if (ans.indexOf("200") == -1) {
251 int l = ans.indexOf("\r\n", 0);
252 emit(newMessage("Proxy: Connection broken for " + _mountpoint.toLatin1() + ": " + ans.left(l), true));
253 delete _outSocket; _outSocket = 0;
254 return;
255 } else {
256 emit(newMessage("Proxy: Connection established for " + _mountpoint.toLatin1(), true));
257 _sOpenTrial = 0;
258 _outSocket->setPeerVerifyName(_casterOutHost);
259 _outSocket->startClientEncryption();
260 if (!_outSocket->waitForEncrypted(timeOut)) {
261 emit(newMessage("Proxy/Caster: Encrypt timeout for " + _mountpoint.toLatin1() + " ("
262 + _casterOutHost.toLatin1() + ":"
263 + QString("%1) ").arg(_casterOutPort).toLatin1()
264 + _outSocket->errorString().toLatin1(), true));
265 delete _outSocket; _outSocket = 0;
266 return;
267 } else {
268 emit(newMessage("Proxy: SSL handshake completed for " + _mountpoint.toLatin1(), true));
269 }
270 }
271 }
272 }
273
274 if (_ntripVersion == "1") {
275 msg = "SOURCE " + _password.toLatin1() + " /" + _mountpoint.toLatin1()
276 + "\r\n" + "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
277 } else {
278 msg = "POST " + _postExtension.toLatin1() + "/" + _mountpoint.toLatin1()
279 + " HTTP/1.1\r\n" + "Host: " + _casterOutHost.toLatin1() + "\r\n"
280 + "Ntrip-Version: Ntrip/2.0\r\n" + "Authorization: Basic "
281 + (_userName + ":" + _password).toLatin1().toBase64() + "\r\n"
282 + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
283 + "Connection: close\r\n" + "Transfer-Encoding: chunked\r\n\r\n";
284 }
285 _outSocket->write(msg);
286 _outSocket->waitForBytesWritten();
287 _outSocket->waitForReadyRead();
288
289 QByteArray ans = _outSocket->readAll();
290
291 if (ans.indexOf("200") == -1) {
292 delete _outSocket; _outSocket = 0;
293 int l = ans.indexOf("\r\n", 0);
294 emit(newMessage("Broadcaster: Connection broken for " + _mountpoint.toLatin1() + ": " + ans.left(l), true));
295 } else {
296 emit(newMessage("Broadcaster: Connection opened for " + _mountpoint.toLatin1(), true));
297 _sOpenTrial = 0;
298 }
299}
300
301// Try connection to NTRIP Caster or Proxy
302////////////////////////////////////////////////////////////////////////////
303bool bncUploadCaster::connectToHost(QString outHost, int outPort, bool encrypted) {
304 const int timeOut = 5000; // 5 seconds
305 if (encrypted) {
306 _outSocket->connectToHostEncrypted(outHost, outPort);
307 if (!_outSocket->waitForEncrypted(timeOut)) {
308 emit(newMessage(
309 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
310 + outHost.toLatin1() + ":"
311 + QString("%1) ").arg(outPort).toLatin1()
312 + _outSocket->errorString().toLatin1(), true));
313 delete _outSocket; _outSocket = 0;
314 return false;
315 } else {
316 emit(newMessage("Broadcaster: SSL handshake completed for " + _mountpoint.toLatin1(), true));
317 }
318 } else {
319 _outSocket->connectToHost(outHost, outPort);
320 if (!_outSocket->waitForConnected(timeOut)) {
321 emit(newMessage(
322 "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
323 + outHost.toLatin1() + ":"
324 + QString("%1) ").arg(outPort).toLatin1()
325 + _outSocket->errorString().toLatin1(), true));
326 delete _outSocket; _outSocket = 0;
327 return false;
328 }
329 }
330 return true;
331}
332
333
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