[3172] | 1 | /* -------------------------------------------------------------------------
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| 2 | * BKG NTRIP Server
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| 3 | * -------------------------------------------------------------------------
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| 4 | *
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| 5 | * Class: bncUploadCaster
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| 6 | *
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| 7 | * Purpose: Connection to NTRIP Caster
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| 8 | *
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| 9 | * Author: L. Mervart
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| 10 | *
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| 11 | * Created: 29-Mar-2011
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| 12 | *
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[7661] | 13 | * Changes:
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[3172] | 14 | *
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| 15 | * -----------------------------------------------------------------------*/
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| 16 |
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| 17 | #include <math.h>
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[7661] | 18 | #include "bncuploadcaster.h"
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[3172] | 19 | #include "bncversion.h"
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[5070] | 20 | #include "bnccore.h"
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[3235] | 21 | #include "bnctableitem.h"
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[9707] | 22 | #include "bncsettings.h"
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[9715] | 23 | #include "bncsslconfig.h"
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[3172] | 24 |
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| 25 | using namespace std;
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| 26 |
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| 27 | // Constructor
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| 28 | ////////////////////////////////////////////////////////////////////////////
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[9715] | 29 | bncUploadCaster::bncUploadCaster(const QString &mountpoint,
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| 30 | const QString &outHost, int outPort, const QString &ntripVersion,
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| 31 | const QString &userName, const QString &password, int iRow, int rate) {
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| 32 | bncSettings settings;
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| 33 |
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| 34 | _mountpoint = mountpoint;
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[9707] | 35 | _casterOutHost = outHost;
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| 36 | _casterOutPort = outPort;
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[9715] | 37 | _ntripVersion = ntripVersion;
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| 38 | _userName = userName;
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| 39 | _password = password;
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| 40 | _outSocket = 0;
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| 41 | _sOpenTrial = 0;
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| 42 | _iRow = iRow;
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| 43 | _rate = rate;
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[9707] | 44 |
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[9715] | 45 | if (_rate < 0) {
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[4809] | 46 | _rate = 0;
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[9715] | 47 | } else if (_rate > 60) {
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[3273] | 48 | _rate = 60;
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| 49 | }
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[3207] | 50 | _isToBeDeleted = false;
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[3235] | 51 |
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[9732] | 52 | connect(this, SIGNAL(newMessage(QByteArray,bool)), BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
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[3235] | 53 |
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[9732] | 54 | if (BNC_CORE->_uploadTableItems.find(_iRow) != BNC_CORE->_uploadTableItems.end()) {
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[7661] | 55 | connect(this, SIGNAL(newBytes(QByteArray,double)),
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[9732] | 56 | BNC_CORE->_uploadTableItems.value(iRow),
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| 57 | SLOT(slotNewBytes(const QByteArray,double)));
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[3235] | 58 | }
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[9732] | 59 | if (BNC_CORE->_uploadEphTableItems.find(_iRow) != BNC_CORE->_uploadEphTableItems.end()) {
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[8733] | 60 | connect(this, SIGNAL(newBytes(QByteArray,double)),
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[9732] | 61 | BNC_CORE->_uploadEphTableItems.value(iRow),
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| 62 | SLOT(slotNewBytes(const QByteArray,double)));
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[8733] | 63 | }
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[9714] | 64 |
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[9732] | 65 | _sslIgnoreErrors = (Qt::CheckState(settings.value("sslIgnoreErrors").toInt()) == Qt::Checked);
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[9714] | 66 |
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[9715] | 67 | _proxyOutHost = settings.value("proxyHost").toString();
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| 68 | _proxyOutPort = settings.value("proxyPort").toInt();
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| 69 | (_proxyOutHost.isEmpty()) ? _proxy = false : _proxy = true;
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| 70 |
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| 71 | _secure = false;
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[9714] | 72 | if (_ntripVersion == "2s") {
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| 73 | if (!QSslSocket::supportsSsl()) {
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[9715] | 74 | emit(newMessage(
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| 75 | "For SSL support please install OpenSSL run-time libraries: Ntrip Version 2 is tried",
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| 76 | true));
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[9714] | 77 | _ntripVersion == "2";
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[9715] | 78 | } else {
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| 79 | _secure = true;
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| 80 | _casterOutPort = 443;
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[9714] | 81 | }
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| 82 | }
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| 83 |
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[9715] | 84 | if (!_secure && _proxy) {
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| 85 | _postExtension = QString("http://%1:%2").arg(_casterOutHost).arg(_casterOutPort);
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| 86 | } else {
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| 87 | _postExtension = "";
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[9714] | 88 | }
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[3172] | 89 | }
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| 90 |
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[3207] | 91 | // Safe Desctructor
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| 92 | ////////////////////////////////////////////////////////////////////////////
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| 93 | void bncUploadCaster::deleteSafely() {
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| 94 | _isToBeDeleted = true;
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[3208] | 95 | if (!isRunning()) {
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| 96 | delete this;
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| 97 | }
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[3207] | 98 | }
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| 99 |
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[3172] | 100 | // Destructor
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| 101 | ////////////////////////////////////////////////////////////////////////////
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| 102 | bncUploadCaster::~bncUploadCaster() {
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[3208] | 103 | if (isRunning()) {
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| 104 | wait();
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| 105 | }
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[7661] | 106 | if (_outSocket) {
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[9731] | 107 | disconnect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
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| 108 | disconnect(_outSocket, SIGNAL(disconnected()), this, SLOT(slotSslSocketConnectionClosed()));
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[7661] | 109 | delete _outSocket;
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| 110 | }
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[3172] | 111 | }
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| 112 |
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[9707] | 113 | //
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| 114 | ////////////////////////////////////////////////////////////////////////////
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| 115 | void bncUploadCaster::slotProxyAuthenticationRequired(const QNetworkProxy&,
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[9715] | 116 | QAuthenticator*) {
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[9707] | 117 | emit newMessage("slotProxyAuthenticationRequired", true);
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| 118 | }
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| 119 |
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[9726] | 120 | // TSL/SSL
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| 121 | ////////////////////////////////////////////////////////////////////////////
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| 122 | void bncUploadCaster::slotSslErrors(QList<QSslError> errors) {
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| 123 | QString msg = "SSL Error: ";
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| 124 | if (_outSocket) {
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| 125 | QSslCertificate cert = _outSocket->sslConfiguration().peerCertificate();
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| 126 | if (!cert.isNull() &&
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| 127 | cert.issuerInfo(QSslCertificate::OrganizationalUnitName).count() &&
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| 128 | cert.issuerInfo(QSslCertificate::Organization).count()) {
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[9736] | 129 | msg += QString("Server Certificate Issued by:\n" "%1\n%2\nCannot be verified\n")
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[9726] | 130 | #if QT_VERSION >= 0x050000
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| 131 | .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).at(0))
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| 132 | .arg(cert.issuerInfo(QSslCertificate::Organization).at(0));
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| 133 | #else
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| 134 | .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName))
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| 135 | .arg(cert.issuerInfo(QSslCertificate::Organization));
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| 136 | #endif
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| 137 | }
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| 138 |
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| 139 | QListIterator<QSslError> it(errors);
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| 140 | while (it.hasNext()) {
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| 141 | const QSslError& err = it.next();
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| 142 | msg += err.errorString();
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| 143 | }
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| 144 |
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| 145 | if (_sslIgnoreErrors) {
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| 146 | _outSocket->ignoreSslErrors();
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| 147 | emit(newMessage("BNC ignores SSL errors as configured", true));
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[9736] | 148 | } else {
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| 149 | emit(newMessage(msg.toLatin1(), true));
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[9726] | 150 | }
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| 151 | }
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| 152 | }
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| 153 |
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| 154 |
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[3226] | 155 | // Endless Loop
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| 156 | ////////////////////////////////////////////////////////////////////////////
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| 157 | void bncUploadCaster::run() {
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| 158 | while (true) {
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| 159 | if (_isToBeDeleted) {
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| 160 | QThread::quit();
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| 161 | deleteLater();
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| 162 | return;
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| 163 | }
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| 164 | open();
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| 165 | if (_outSocket && _outSocket->state() == QAbstractSocket::ConnectedState) {
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| 166 | QMutexLocker locker(&_mutex);
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[4808] | 167 | if (_outBuffer.size() > 0) {
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[9707] | 168 | if (_ntripVersion == "1") {
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| 169 | _outSocket->write(_outBuffer);
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| 170 | _outSocket->flush();
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[9715] | 171 | } else {
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[9732] | 172 | QString chunkSize = QString("%1").arg(_outBuffer.size(), 0, 16, QLatin1Char('0'));
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| 173 | QByteArray chunkedData = chunkSize.toLatin1() + "\r\n" + _outBuffer + "\r\n";
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[9707] | 174 | _outSocket->write(chunkedData);
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| 175 | _outSocket->flush();
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| 176 | }
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[8204] | 177 | emit newBytes(_mountpoint.toLatin1(), _outBuffer.size());
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[4808] | 178 | }
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[3226] | 179 | }
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[4809] | 180 | if (_rate == 0) {
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[4985] | 181 | {
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| 182 | QMutexLocker locker(&_mutex);
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| 183 | _outBuffer.clear();
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| 184 | }
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[8708] | 185 | msleep(100); //sleep 0.1 sec
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[9715] | 186 | } else {
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[4809] | 187 | sleep(_rate);
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| 188 | }
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[3226] | 189 | }
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| 190 | }
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| 191 |
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[3172] | 192 | // Start the Communication with NTRIP Caster
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| 193 | ////////////////////////////////////////////////////////////////////////////
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| 194 | void bncUploadCaster::open() {
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[9715] | 195 | const int timeOut = 5000; // 5 seconds
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| 196 | QByteArray msg;
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[3172] | 197 |
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| 198 | if (_mountpoint.isEmpty()) {
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| 199 | return;
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| 200 | }
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| 201 |
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[9712] | 202 | if (_outSocket != 0) {
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| 203 | if (_outSocket->state() == QAbstractSocket::ConnectedState) {
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| 204 | return;
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| 205 | }
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[9731] | 206 | _outSocket->close();
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[3172] | 207 | }
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[9712] | 208 |
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[9715] | 209 | double minDt = pow(2.0, _sOpenTrial);
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[3172] | 210 | if (++_sOpenTrial > 4) {
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| 211 | _sOpenTrial = 4;
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| 212 | }
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[9715] | 213 | if (_outSocketOpenTime.isValid()
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| 214 | && _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
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[3172] | 215 | return;
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[9715] | 216 | } else {
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[3172] | 217 | _outSocketOpenTime = QDateTime::currentDateTime();
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| 218 | }
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| 219 |
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[9707] | 220 | _outSocket = new QSslSocket();
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[9728] | 221 | _outSocket->setProxy(QNetworkProxy::NoProxy);
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[9739] | 222 | _outSocket->setSslConfiguration(BNC_SSL_CONFIG);
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[9727] | 223 | connect(_outSocket, SIGNAL(disconnected()), this, SLOT(slotSslSocketConnectionClosed()));
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[9726] | 224 | connect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
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[9715] | 225 |
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[9730] | 226 | if (!_proxy) {
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| 227 | if (!connectToHost(_casterOutHost, _casterOutPort, _secure)) {
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| 228 | return;
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| 229 | }
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| 230 | } else {
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[9715] | 231 | if (_ntripVersion == "1") {
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| 232 | emit(newMessage("No proxy support in Ntrip Version 1 upload!", true));
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[9730] | 233 | _outSocket->close();
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[9713] | 234 | return;
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| 235 | }
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[9715] | 236 | connect(_outSocket, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
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| 237 | this,SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
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| 238 |
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| 239 | if (!connectToHost(_proxyOutHost, _proxyOutPort, false)) {
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| 240 | return;
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| 241 | }
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| 242 |
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| 243 | if (_secure) {
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| 244 | msg = "CONNECT " + _casterOutHost.toLatin1() + ":"
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| 245 | + QString("%1").arg(_casterOutPort).toLatin1() + " HTTP/1.1\r\n"
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| 246 | + "Proxy-Connection: Keep-Alive\r\n"
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| 247 | + "Host: " + _casterOutHost.toLatin1() + "\r\n"
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| 248 | + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
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[9734] | 249 | + "\r\n"; //cout << msg.toStdString().c_str();
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[9715] | 250 | _outSocket->write(msg);
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| 251 | _outSocket->waitForBytesWritten();
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| 252 | _outSocket->waitForReadyRead();
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[9737] | 253 |
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[9734] | 254 | QByteArray ans = _outSocket->readAll(); //cout << ans.toStdString().c_str() << endl;
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[9715] | 255 | if (ans.indexOf("200") == -1) {
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[9732] | 256 | emit(newMessage("Proxy: Connection broken for " + _mountpoint.toLatin1()
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| 257 | + ": " + ans.left(ans.length() - 2), true));
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[9729] | 258 | _outSocket->close();
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[9715] | 259 | return;
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| 260 | } else {
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[9732] | 261 | emit(newMessage("Proxy: Connection established for " + _mountpoint.toLatin1(), true));
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[9715] | 262 | _sOpenTrial = 0;
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| 263 | _outSocket->setPeerVerifyName(_casterOutHost);
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| 264 | _outSocket->startClientEncryption();
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| 265 | if (!_outSocket->waitForEncrypted(timeOut)) {
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[9732] | 266 | emit(newMessage("Proxy/Caster: Encrypt timeout for " + _mountpoint.toLatin1() + " ("
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| 267 | + _casterOutHost.toLatin1() + ":"
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| 268 | + QString("%1) ").arg(_casterOutPort).toLatin1()
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| 269 | + _outSocket->errorString().toLatin1(), true));
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[9715] | 270 | return;
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| 271 | } else {
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| 272 | emit(newMessage("Proxy: SSL handshake completed for " + _mountpoint.toLatin1(), true));
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| 273 | }
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| 274 | }
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| 275 | }
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[9707] | 276 | }
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| 277 |
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| 278 | if (_ntripVersion == "1") {
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[9715] | 279 | msg = "SOURCE " + _password.toLatin1() + " /" + _mountpoint.toLatin1()
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| 280 | + "\r\n" + "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
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| 281 | } else {
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| 282 | msg = "POST " + _postExtension.toLatin1() + "/" + _mountpoint.toLatin1()
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| 283 | + " HTTP/1.1\r\n" + "Host: " + _casterOutHost.toLatin1() + "\r\n"
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| 284 | + "Ntrip-Version: Ntrip/2.0\r\n" + "Authorization: Basic "
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| 285 | + (_userName + ":" + _password).toLatin1().toBase64() + "\r\n"
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| 286 | + "User-Agent: NTRIP BNC/" BNCVERSION " (" + BNC_OS + ")\r\n"
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| 287 | + "Connection: close\r\n" + "Transfer-Encoding: chunked\r\n\r\n";
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[9707] | 288 | }
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[9732] | 289 | //cout << msg.toStdString().c_str();
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[3172] | 290 | _outSocket->write(msg);
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| 291 | _outSocket->waitForBytesWritten();
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| 292 | _outSocket->waitForReadyRead();
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| 293 |
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[9737] | 294 | QByteArray ans = _outSocket->readAll(); //cout << "ans: " << ans.toStdString().c_str() << endl;
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[9715] | 295 |
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| 296 | if (ans.indexOf("200") == -1) {
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[9729] | 297 | _outSocket->close();
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[9732] | 298 | emit(newMessage("Broadcaster: Connection broken for " + _mountpoint.toLatin1() + ": "
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| 299 | + ans.left(ans.length() - 2), true));
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[9715] | 300 | } else {
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[9732] | 301 | emit(newMessage("Broadcaster: Connection opened for " + _mountpoint.toLatin1(), true));
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[3172] | 302 | _sOpenTrial = 0;
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| 303 | }
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| 304 | }
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| 305 |
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[9715] | 306 | // Try connection to NTRIP Caster or Proxy
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| 307 | ////////////////////////////////////////////////////////////////////////////
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| 308 | bool bncUploadCaster::connectToHost(QString outHost, int outPort, bool encrypted) {
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| 309 | const int timeOut = 5000; // 5 seconds
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| 310 | if (encrypted) {
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| 311 | _outSocket->connectToHostEncrypted(outHost, outPort);
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| 312 | if (!_outSocket->waitForEncrypted(timeOut)) {
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| 313 | emit(newMessage(
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| 314 | "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
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| 315 | + outHost.toLatin1() + ":"
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| 316 | + QString("%1) ").arg(outPort).toLatin1()
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| 317 | + _outSocket->errorString().toLatin1(), true));
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| 318 | return false;
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[9717] | 319 | } else {
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| 320 | emit(newMessage("Broadcaster: SSL handshake completed for " + _mountpoint.toLatin1(), true));
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[9715] | 321 | }
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| 322 | } else {
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| 323 | _outSocket->connectToHost(outHost, outPort);
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| 324 | if (!_outSocket->waitForConnected(timeOut)) {
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| 325 | emit(newMessage(
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| 326 | "Broadcaster: Connect timeout for " + _mountpoint.toLatin1() + " ("
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| 327 | + outHost.toLatin1() + ":"
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| 328 | + QString("%1) ").arg(outPort).toLatin1()
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| 329 | + _outSocket->errorString().toLatin1(), true));
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| 330 | return false;
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| 331 | }
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| 332 | }
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| 333 | return true;
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| 334 | }
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| 335 |
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| 336 |
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[9727] | 337 | void bncUploadCaster::slotSslSocketConnectionClosed() {
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[9739] | 338 | disconnect(_outSocket, SIGNAL(disconnected()), this, SLOT(slotSslSocketConnectionClosed()));
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| 339 | disconnect(_outSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(slotSslErrors(QList<QSslError>)));
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[9727] | 340 | emit(newMessage("slotSslSocketConnectionClosed", true));
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[9731] | 341 | if (_outSocket) {
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| 342 | delete _outSocket;
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| 343 | _outSocket = 0;
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| 344 | }
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[9727] | 345 | }
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[9715] | 346 |
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| 347 |
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| 348 |
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| 349 |
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