[1382] | 1 | /* -------------------------------------------------------------------------
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| 2 | * BKG NTRIP Client
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| 3 | * -------------------------------------------------------------------------
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| 4 | *
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[1383] | 5 | * Class: bncNetQueryV1
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[1382] | 6 | *
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| 7 | * Purpose: Blocking Network Requests (NTRIP Version 1)
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| 8 | *
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| 9 | * Author: L. Mervart
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| 10 | *
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| 11 | * Created: 27-Dec-2008
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| 12 | *
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| 13 | * Changes:
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| 14 | *
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| 15 | * -----------------------------------------------------------------------*/
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| 16 |
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| 17 | #include <iostream>
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| 18 | #include <iomanip>
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| 19 |
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[1385] | 20 | #include "bncnetqueryv1.h"
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[1535] | 21 | #include "bncsettings.h"
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[1382] | 22 |
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| 23 | using namespace std;
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| 24 |
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| 25 | #define BNCVERSION "1.7"
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| 26 |
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| 27 | // Constructor
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| 28 | ////////////////////////////////////////////////////////////////////////////
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[1383] | 29 | bncNetQueryV1::bncNetQueryV1() {
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[1500] | 30 | _socket = 0;
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| 31 | _timeOut = 20000;
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[1382] | 32 | }
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| 33 |
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| 34 | // Destructor
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| 35 | ////////////////////////////////////////////////////////////////////////////
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[1383] | 36 | bncNetQueryV1::~bncNetQueryV1() {
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[1382] | 37 | delete _socket;
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| 38 | }
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| 39 |
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| 40 | //
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| 41 | ////////////////////////////////////////////////////////////////////////////
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[1390] | 42 | void bncNetQueryV1::stop() {
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[1408] | 43 | #ifndef sparc
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| 44 | if (_socket) {
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| 45 | _socket->abort();
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| 46 | }
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| 47 | #endif
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[1403] | 48 | _status = finished;
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[1390] | 49 | }
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| 50 |
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| 51 | //
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| 52 | ////////////////////////////////////////////////////////////////////////////
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[1402] | 53 | void bncNetQueryV1::waitForRequestResult(const QUrl&, QByteArray&) {
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[1382] | 54 | }
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| 55 |
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| 56 | //
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| 57 | ////////////////////////////////////////////////////////////////////////////
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[1384] | 58 | void bncNetQueryV1::waitForReadyRead(QByteArray& outData) {
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[1500] | 59 | if (_socket && _socket->state() == QAbstractSocket::ConnectedState) {
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| 60 | while (true) {
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| 61 | int nBytes = _socket->bytesAvailable();
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| 62 | if (nBytes > 0) {
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| 63 | outData = _socket->readAll();
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| 64 | return;
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| 65 | }
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| 66 | else if (!_socket->waitForReadyRead(_timeOut)) {
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| 67 | delete _socket;
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| 68 | _socket = 0;
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| 69 | _status = error;
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| 70 | emit newMessage(_url.path().toAscii() + " read timeout", true);
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| 71 | return;
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| 72 | }
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[1402] | 73 | }
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| 74 | }
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[1382] | 75 | }
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| 76 |
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| 77 | // Connect to Caster, send the Request
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| 78 | ////////////////////////////////////////////////////////////////////////////
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[1384] | 79 | void bncNetQueryV1::startRequest(const QUrl& url, const QByteArray& gga) {
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[1382] | 80 |
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[1385] | 81 | _status = running;
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| 82 |
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[1382] | 83 | delete _socket;
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| 84 | _socket = new QTcpSocket();
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| 85 |
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[1385] | 86 | // Default scheme and path
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| 87 | // -----------------------
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[1500] | 88 | _url = url;
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| 89 | if (_url.scheme().isEmpty()) {
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| 90 | _url.setScheme("http");
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[1385] | 91 | }
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[1500] | 92 | if (_url.path().isEmpty()) {
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| 93 | _url.setPath("/");
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[1385] | 94 | }
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| 95 |
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[1382] | 96 | // Connect the Socket
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| 97 | // ------------------
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[1535] | 98 | bncSettings settings;
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[1382] | 99 | QString proxyHost = settings.value("proxyHost").toString();
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| 100 | int proxyPort = settings.value("proxyPort").toInt();
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| 101 |
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| 102 | if ( proxyHost.isEmpty() ) {
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[1500] | 103 | _socket->connectToHost(_url.host(), _url.port());
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[1382] | 104 | }
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| 105 | else {
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| 106 | _socket->connectToHost(proxyHost, proxyPort);
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| 107 | }
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[1500] | 108 | if (!_socket->waitForConnected(_timeOut)) {
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[1382] | 109 | delete _socket;
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| 110 | _socket = 0;
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[1385] | 111 | _status = error;
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| 112 | return;
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[1382] | 113 | }
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| 114 |
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| 115 | // Send Request
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| 116 | // ------------
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[1500] | 117 | QString uName = QUrl::fromPercentEncoding(_url.userName().toAscii());
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| 118 | QString passW = QUrl::fromPercentEncoding(_url.password().toAscii());
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[1382] | 119 | QByteArray userAndPwd;
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| 120 |
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[1385] | 121 | if(!uName.isEmpty() || !passW.isEmpty()) {
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[1382] | 122 | userAndPwd = "Authorization: Basic " + (uName.toAscii() + ":" +
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| 123 | passW.toAscii()).toBase64() + "\r\n";
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| 124 | }
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| 125 |
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| 126 | QByteArray reqStr;
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| 127 | if ( proxyHost.isEmpty() ) {
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[1500] | 128 | if (_url.path().indexOf("/") != 0) _url.setPath("/");
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| 129 | reqStr = "GET " + _url.path().toAscii() + " HTTP/1.0\r\n"
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[1382] | 130 | + "User-Agent: NTRIP BNC/" BNCVERSION "\r\n"
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| 131 | + userAndPwd + "\r\n";
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| 132 | } else {
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[1500] | 133 | reqStr = "GET " + _url.toEncoded() + " HTTP/1.0\r\n"
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[1382] | 134 | + "User-Agent: NTRIP BNC/" BNCVERSION "\r\n"
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[1500] | 135 | + "Host: " + _url.host().toAscii() + "\r\n"
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[1382] | 136 | + userAndPwd + "\r\n";
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| 137 | }
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| 138 |
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| 139 | // NMEA string to handle VRS stream
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| 140 | // --------------------------------
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[1385] | 141 | if (!gga.isEmpty()) {
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| 142 | reqStr += gga + "\r\n";
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[1382] | 143 | }
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| 144 |
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| 145 | _socket->write(reqStr, reqStr.length());
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| 146 |
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[1500] | 147 | if (!_socket->waitForBytesWritten(_timeOut)) {
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[1382] | 148 | delete _socket;
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| 149 | _socket = 0;
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[1385] | 150 | _status = error;
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[1500] | 151 | emit newMessage(_url.path().toAscii() + " write timeout", true);
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[1498] | 152 | return;
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[1382] | 153 | }
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[1498] | 154 |
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| 155 | // Read Caster Response
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| 156 | // --------------------
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[1502] | 157 | QStringList response;
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[1498] | 158 | while (true) {
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[1500] | 159 | if (!_socket->waitForReadyRead(_timeOut)) {
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[1498] | 160 | delete _socket;
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| 161 | _socket = 0;
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| 162 | _status = error;
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[1500] | 163 | emit newMessage(_url.path().toAscii() + " read timeout", true);
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[1498] | 164 | return;
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| 165 | }
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| 166 | if (_socket->canReadLine()) {
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| 167 | QString line = _socket->readLine();
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[1502] | 168 | response.push_back(line);
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| 169 | if (line.trimmed().isEmpty()) {
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| 170 | break;
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| 171 | }
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[1534] | 172 | if (line.indexOf("200 OK") != -1) {
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[1502] | 173 | response.clear();
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[1498] | 174 | break;
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| 175 | }
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| 176 | }
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| 177 | }
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[1502] | 178 | if (response.size() > 0) {
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| 179 | delete _socket;
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| 180 | _socket = 0;
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| 181 | _status = error;
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| 182 | emit newMessage(_url.path().toAscii() + " wrong caster response\n" +
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| 183 | response.join("\n").toAscii(), true);
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| 184 | }
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[1382] | 185 | }
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| 186 |
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