source: ntrip/branches/BNC_2.12/src/upload/bncuploadcaster.cpp@ 8154

Last change on this file since 8154 was 8154, checked in by stuerze, 4 years ago

minor changes

File size: 4.2 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
23using namespace std;
24
25// Constructor
26////////////////////////////////////////////////////////////////////////////
27bncUploadCaster::bncUploadCaster(const QString& mountpoint,
28 const QString& outHost, int outPort,
29 const QString& password, int iRow,
30 int rate) {
31 _mountpoint = mountpoint;
32 _outHost = outHost;
33 _outPort = outPort;
34 _password = password;
35 _outSocket = 0;
36 _sOpenTrial = 0;
37 _iRow = iRow;
38 _rate = rate;
39 if (_rate < 0) {
40 _rate = 0;
41 }
42 else if (_rate > 60) {
43 _rate = 60;
44 }
45 _isToBeDeleted = false;
46
47 connect(this, SIGNAL(newMessage(QByteArray,bool)),
48 BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
49
50 if (BNC_CORE->_uploadTableItems.find(_iRow) != BNC_CORE->_uploadTableItems.end()){
51 connect(this, SIGNAL(newBytes(QByteArray,double)),
52 BNC_CORE->_uploadTableItems.value(iRow),
53 SLOT(slotNewBytes(const QByteArray,double)));
54 }
55}
56
57// Safe Desctructor
58////////////////////////////////////////////////////////////////////////////
59void bncUploadCaster::deleteSafely() {
60 _isToBeDeleted = true;
61 if (!isRunning()) {
62 delete this;
63 }
64}
65
66// Destructor
67////////////////////////////////////////////////////////////////////////////
68bncUploadCaster::~bncUploadCaster() {
69 if (isRunning()) {
70 wait();
71 }
72 if (_outSocket) {
73 delete _outSocket;
74 }
75}
76
77// Endless Loop
78////////////////////////////////////////////////////////////////////////////
79void bncUploadCaster::run() {
80 while (true) {
81 if (_isToBeDeleted) {
82 QThread::quit();
83 deleteLater();
84 return;
85 }
86 open();
87 if (_outSocket && _outSocket->state() == QAbstractSocket::ConnectedState) {
88 QMutexLocker locker(&_mutex);
89 if (_outBuffer.size() > 0) {
90 _outSocket->write(_outBuffer);
91 _outSocket->flush();
92 emit newBytes(_mountpoint.toAscii(), _outBuffer.size());
93 }
94 }
95 if (_rate == 0) {
96 {
97 QMutexLocker locker(&_mutex);
98 _outBuffer.clear();
99 }
100 msleep(100); //sleep 0.1 sec
101 }
102 else {
103 sleep(_rate);
104 }
105 }
106}
107
108// Start the Communication with NTRIP Caster
109////////////////////////////////////////////////////////////////////////////
110void bncUploadCaster::open() {
111
112 if (_mountpoint.isEmpty()) {
113 return;
114 }
115
116 if (_outSocket != 0 &&
117 _outSocket->state() == QAbstractSocket::ConnectedState) {
118 return;
119 }
120
121 delete _outSocket; _outSocket = 0;
122
123 double minDt = pow(2.0,_sOpenTrial);
124 if (++_sOpenTrial > 4) {
125 _sOpenTrial = 4;
126 }
127 if (_outSocketOpenTime.isValid() &&
128 _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
129 return;
130 }
131 else {
132 _outSocketOpenTime = QDateTime::currentDateTime();
133 }
134
135 _outSocket = new QTcpSocket();
136 _outSocket->connectToHost(_outHost, _outPort);
137
138 const int timeOut = 5000; // 5 seconds
139 if (!_outSocket->waitForConnected(timeOut)) {
140 delete _outSocket;
141 _outSocket = 0;
142 emit(newMessage("Broadcaster: Connect timeout for " + _mountpoint.toAscii(), true));
143 return;
144 }
145
146 QByteArray msg = "SOURCE " + _password.toAscii() + " /" +
147 _mountpoint.toAscii() + "\r\n" +
148 "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
149
150 _outSocket->write(msg);
151 _outSocket->waitForBytesWritten();
152
153 _outSocket->waitForReadyRead();
154 QByteArray ans = _outSocket->readLine();
155
156 if (ans.indexOf("OK") == -1) {
157 delete _outSocket;
158 _outSocket = 0;
159 emit(newMessage("Broadcaster: Connection broken for " + _mountpoint.toAscii(), true));
160 }
161 else {
162 emit(newMessage("Broadcaster: Connection opened for " + _mountpoint.toAscii(), true));
163 _sOpenTrial = 0;
164 }
165}
166
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