[35] | 1 |
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| 2 | /* -------------------------------------------------------------------------
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| 3 | * Bernese NTRIP Client
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| 4 | * -------------------------------------------------------------------------
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| 5 | *
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| 6 | * Class: bncGetThread
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| 7 | *
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| 8 | * Purpose: Thread that retrieves data from NTRIP caster
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| 9 | *
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| 10 | * Author: L. Mervart
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| 11 | *
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| 12 | * Created: 24-Dec-2005
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| 13 | *
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| 14 | * Changes:
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| 15 | *
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| 16 | * -----------------------------------------------------------------------*/
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| 17 |
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| 18 | #include <QFile>
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| 19 | #include <QTextStream>
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| 20 | #include <QtNetwork>
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| 21 |
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| 22 | #include "bncgetthread.h"
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| 23 | #include "RTCM/RTCM.h"
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| 24 |
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| 25 | using namespace std;
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| 26 |
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[36] | 27 | const int timeOut = 30*1000;
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[35] | 28 |
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| 29 | // Constructor
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| 30 | ////////////////////////////////////////////////////////////////////////////
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| 31 | bncGetThread::bncGetThread(const QString& host, int port,
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| 32 | const QString& proxyHost, int proxyPort,
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| 33 | const QByteArray& mountPoint,
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| 34 | const QByteArray& user,
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| 35 | const QByteArray& password) {
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| 36 | _host = host;
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| 37 | _port = port;
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| 38 | _proxyHost = proxyHost;
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| 39 | _proxyPort = proxyPort;
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| 40 | _mountPoint = mountPoint;
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| 41 | _user = user;
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| 42 | _password = password;
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| 43 | _socket = 0;
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| 44 | }
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| 45 |
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| 46 | // Destructor
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| 47 | ////////////////////////////////////////////////////////////////////////////
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| 48 | bncGetThread::~bncGetThread() {
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| 49 | delete _socket;
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| 50 | }
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| 51 |
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| 52 | // Connect to Caster, send the Request (static)
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| 53 | ////////////////////////////////////////////////////////////////////////////
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| 54 | QTcpSocket* bncGetThread::request(const QString& host, int port,
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| 55 | const QString& proxyHost, int proxyPort,
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| 56 | const QByteArray& mountPoint,
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| 57 | const QByteArray& user,
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| 58 | const QByteArray& password) {
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| 59 |
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| 60 | QTcpSocket* socket = new QTcpSocket();
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| 61 |
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| 62 | QByteArray l_mountPoint = mountPoint;
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| 63 |
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| 64 | if ( proxyHost.isEmpty() ) {
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| 65 | socket->connectToHost(host, port);
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| 66 | }
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| 67 | else {
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| 68 | socket->connectToHost(proxyHost, proxyPort);
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| 69 | if (!proxyHost.isEmpty()) {
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| 70 | QUrl proxyUrl;
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| 71 | proxyUrl.setScheme("http");
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| 72 | proxyUrl.setHost(host);
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| 73 | proxyUrl.setPort(port);
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| 74 | l_mountPoint = proxyUrl.resolved(QUrl(mountPoint)).toEncoded();
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| 75 | }
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| 76 | }
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| 77 |
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| 78 | if (!socket->waitForConnected(timeOut)) {
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| 79 | qWarning("Connect timeout");
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| 80 | delete socket;
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| 81 | return 0;
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| 82 | }
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| 83 |
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| 84 | // Send Request
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| 85 | // ------------
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| 86 | QByteArray userAndPwd = user + ":" + password;
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| 87 | QByteArray reqStr = "GET " + l_mountPoint + " HTTP/1.0\r\n"
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| 88 | "User-Agent: NTRIP BNC 1.0\r\n"
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| 89 | "Authorization: Basic " + userAndPwd.toBase64() +
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| 90 | "\r\n\r\n";
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| 91 |
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| 92 | qWarning(reqStr);
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| 93 |
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| 94 | socket->write(reqStr, reqStr.length());
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| 95 |
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| 96 | if (!socket->waitForBytesWritten(timeOut)) {
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| 97 | qWarning("Write timeout");
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| 98 | delete socket;
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| 99 | return 0;
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| 100 | }
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| 101 |
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| 102 | return socket;
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| 103 | }
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| 104 |
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| 105 | // Run
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| 106 | ////////////////////////////////////////////////////////////////////////////
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| 107 | void bncGetThread::run() {
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| 108 |
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| 109 | // Send the Request
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| 110 | // ----------------
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| 111 | _socket = bncGetThread::request(_host, _port, _proxyHost, _proxyPort,
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| 112 | _mountPoint, _user, _password);
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| 113 | if (!_socket) {
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| 114 | return exit(1);
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| 115 | }
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| 116 |
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| 117 | // Read Caster Response
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| 118 | // --------------------
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| 119 | _socket->waitForReadyRead(timeOut);
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| 120 | if (_socket->canReadLine()) {
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| 121 | QString line = _socket->readLine();
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| 122 | if (line.indexOf("ICY 200 OK") != 0) {
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| 123 | qWarning(("Wrong Caster Response:\n" + line).toAscii());
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| 124 | return exit(1);
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| 125 | }
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| 126 | }
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| 127 | else {
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| 128 | qWarning("Response Timeout");
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| 129 | return exit(1);
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| 130 | }
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| 131 |
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| 132 | // Instantiate the filter
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| 133 | // ----------------------
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[39] | 134 | GPSDecoder* rtcmFilter;
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| 135 | rtcmFilter = new RTCM('A',true);
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[35] | 136 |
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| 137 | // Read Incoming Data
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| 138 | // ------------------
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| 139 | while (true) {
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| 140 | _socket->waitForReadyRead(timeOut);
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| 141 | qint64 nBytes = _socket->bytesAvailable();
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| 142 | if (nBytes > 0) {
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| 143 | char* data = new char[nBytes];
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| 144 | _socket->read(data, nBytes);
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[39] | 145 | rtcmFilter->Decode(data, nBytes);
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[35] | 146 | delete data;
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[39] | 147 | for (list<Observation*>::iterator it = rtcmFilter->m_lObsList.begin();
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| 148 | it != rtcmFilter->m_lObsList.end(); it++) {
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[35] | 149 | emit newObs(_mountPoint, *it);
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| 150 | }
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[39] | 151 | rtcmFilter->m_lObsList.clear();
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[35] | 152 | }
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| 153 | else {
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| 154 | qWarning("Data Timeout");
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| 155 | return exit(1);
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| 156 | }
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| 157 | }
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[39] | 158 | delete rtcmFilter;
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[35] | 159 | }
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| 160 |
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| 161 | // Exit
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| 162 | ////////////////////////////////////////////////////////////////////////////
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| 163 | void bncGetThread::exit(int exitCode) {
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| 164 | if (exitCode!= 0) {
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| 165 | emit error(_mountPoint);
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| 166 | }
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| 167 | QThread::exit(exitCode);
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| 168 | }
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