[1060] | 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: bnscaster
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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: 27-Aug-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 <math.h>
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| 18 | #include "bnscaster.h"
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| 19 |
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| 20 | using namespace std;
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| 21 |
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| 22 | // Constructor
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| 23 | ////////////////////////////////////////////////////////////////////////////
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| 24 | t_bnscaster::t_bnscaster(const QString& mountpoint) {
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| 25 | _mountpoint = mountpoint;
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| 26 | _outSocketOpenTrial = 0;
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| 27 | }
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| 28 |
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| 29 | // Destructor
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| 30 | ////////////////////////////////////////////////////////////////////////////
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| 31 | t_bnscaster::~t_bnscaster() {
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| 32 | delete _outSocket;
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| 33 | }
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| 34 |
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| 35 | // Start the Communication with NTRIP Caster
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| 36 | ////////////////////////////////////////////////////////////////////////////
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| 37 | void t_bnscaster::open() {
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| 38 |
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| 39 | if (_outSocket != 0 &&
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| 40 | _outSocket->state() == QAbstractSocket::ConnectedState) {
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| 41 | return;
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| 42 | }
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| 43 |
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| 44 | delete _outSocket; _outSocket = 0;
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| 45 |
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| 46 | double minDt = exp2(_outSocketOpenTrial);
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| 47 | if (++_outSocketOpenTrial > 8) {
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| 48 | _outSocketOpenTrial = 8;
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| 49 | }
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| 50 | if (_outSocketOpenTime.isValid() &&
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| 51 | _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
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| 52 | return;
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| 53 | }
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| 54 | else {
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| 55 | _outSocketOpenTime = QDateTime::currentDateTime();
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| 56 | }
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| 57 |
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| 58 | QSettings settings;
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| 59 | _outSocket = new QTcpSocket();
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| 60 | _outSocket->connectToHost(settings.value("outHost").toString(),
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| 61 | settings.value("outPort").toInt());
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| 62 |
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| 63 | const int timeOut = 100; // 0.1 seconds
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| 64 | if (!_outSocket->waitForConnected(timeOut)) {
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| 65 | delete _outSocket;
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| 66 | _outSocket = 0;
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| 67 | emit(error("bns::openCaster Connect Timeout"));
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| 68 | return;
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| 69 | }
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| 70 |
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| 71 | QString password = settings.value("password").toString();
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| 72 |
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| 73 | QByteArray msg = "SOURCE " + password.toAscii() + " /" +
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| 74 | _mountpoint.toAscii() + "\r\n" +
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| 75 | "Source-Agent: NTRIP BNS/1.0\r\n\r\n";
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| 76 |
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| 77 | _outSocket->write(msg);
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| 78 | _outSocket->waitForBytesWritten();
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| 79 |
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| 80 | _outSocket->waitForReadyRead();
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| 81 | QByteArray ans = _outSocket->readLine();
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| 82 |
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| 83 | if (ans.indexOf("OK") == -1) {
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| 84 | delete _outSocket;
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| 85 | _outSocket = 0;
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| 86 | emit(newMessage("bns::openCaster socket deleted"));
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| 87 | }
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| 88 | else {
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| 89 | emit(newMessage("bns::openCaster socket OK"));
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| 90 | _outSocketOpenTrial = 0;
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | // Write buffer
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| 95 | ////////////////////////////////////////////////////////////////////////////
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| 96 | void t_bnscaster::write(char* buffer, unsigned len) {
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| 97 | if (_outSocket) {
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| 98 | _outSocket->write(buffer, len);
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| 99 | _outSocket->flush();
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| 100 | }
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| 101 | }
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