source: ntrip/trunk/BNC/src/bncfigure.cpp@ 9124

Last change on this file since 9124 was 9124, checked in by stuerze, 20 months ago

minor changes regarding latency check, ssr and long mountpoint names

File size: 6.0 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: bncFigure
30 *
31 * Purpose:
32 *
33 * Author: Perlt, Mervart
34 *
35 * Created: 11-Nov-2009
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <iostream>
42
43#include <QMapIterator>
44#include <QPainter>
45#include <QTimer>
46#include <QUrl>
47#include <QVariant>
48
49#include "bncfigure.h"
50#include "bncsettings.h"
51
52using namespace std;
53
54// Constructor
55////////////////////////////////////////////////////////////////////////////
56bncFigure::bncFigure(QWidget *parent) : QWidget(parent) {
57 updateMountPoints();
58 slotNextAnimationFrame();
59 for (int ii = 0; ii <= 1000; ii++) {
60 _ran[0][ii] = qrand() % 255;
61 _ran[1][ii] = qrand() % 255;
62 _ran[2][ii] = qrand() % 255;
63 }
64}
65
66// Destructor
67////////////////////////////////////////////////////////////////////////////
68bncFigure::~bncFigure() {
69 QMapIterator<QByteArray, sumAndMean*> it(_bytes);
70 while (it.hasNext()) {
71 it.next();
72 delete it.value();
73 }
74}
75
76//
77////////////////////////////////////////////////////////////////////////////
78void bncFigure::updateMountPoints() {
79 QMutexLocker locker(&_mutex);
80
81 _counter = 0;
82 _maxRate = 0;
83
84 QMapIterator<QByteArray, sumAndMean*> it1(_bytes);
85 while (it1.hasNext()) {
86 it1.next();
87 delete it1.value();
88 }
89 _bytes.clear();
90
91 bncSettings settings;
92 QListIterator<QString> it(settings.value("mountPoints").toStringList());
93 while (it.hasNext()) {
94 QStringList hlp = it.next().split(" ");
95 if (hlp.size() <= 1) continue;
96 QUrl url(hlp[0]);
97 QByteArray staID = url.path().mid(1).toLatin1();
98 _bytes[staID] = new sumAndMean();
99 }
100}
101
102//
103////////////////////////////////////////////////////////////////////////////
104void bncFigure::slotNewData(const QByteArray staID, double nbyte) {
105 QMutexLocker locker(&_mutex);
106 QMap<QByteArray, sumAndMean*>::const_iterator it = _bytes.find(staID);
107 if (it != _bytes.end()) {
108 it.value()->_sum += nbyte*8.;
109 }
110}
111
112//
113////////////////////////////////////////////////////////////////////////////
114void bncFigure::slotNextAnimationFrame() {
115 QMutexLocker locker(&_mutex);
116
117 const static int MAXCOUNTER = 10;
118
119 ++_counter;
120
121 // If counter reaches its maximal value, compute the mean rate
122 // -----------------------------------------------------------
123 if (_counter == MAXCOUNTER) {
124 _maxRate = 0.0;
125 QMapIterator<QByteArray, sumAndMean*> it(_bytes);
126 while (it.hasNext()) {
127 it.next();
128 it.value()->_mean = it.value()->_sum / _counter;
129 it.value()->_sum = 0.0;
130 if (it.value()->_mean > _maxRate) {
131 _maxRate = it.value()->_mean;
132 }
133 }
134 _counter = 0;
135 }
136
137 update();
138
139 QTimer::singleShot(1000, this, SLOT(slotNextAnimationFrame()));
140}
141
142//
143////////////////////////////////////////////////////////////////////////////
144void bncFigure::paintEvent(QPaintEvent *) {
145
146 int xMin = 0;
147 int xMax = 640;
148 int yMin = 0;
149 int yMax = 90;
150 float xLine = .60;
151
152 QPainter painter(this);
153
154 QFont font;
155 font.setPointSize(int(font.QFont::pointSize()*0.8));
156 painter.setFont(font);
157
158 // y-axis
159 // ------
160 int yLength = int((yMax-yMin)*xLine) - (yMin+10);
161 painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMin+60, yMin+10);
162
163 double maxRateRounded;
164 QString maxRateStr;
165 if (_maxRate < 1e3) {
166 maxRateRounded = int(_maxRate/200)*200 + 300;
167 maxRateStr = QString("%1 bps ").arg(int(maxRateRounded/200)*200);
168 painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 bps "));
169 }
170 else if (_maxRate < 1e6) {
171 maxRateRounded = int(_maxRate/1.e3)*1.e3 + 1500;
172 maxRateStr = QString("%1 kbps ").arg(int(maxRateRounded/1.e3));
173 painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 kbps "));
174 }
175 else {
176 maxRateRounded = int(_maxRate/1.e6)*1.e6 + 1500000;
177 maxRateStr = QString("%1 Mbps ").arg(int(maxRateRounded/1.e6));
178 painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 Mbps "));
179 }
180
181 if(_maxRate > 0.0) {
182 painter.drawText(0, yMin+20-5, xMin+60,15,Qt::AlignRight,maxRateStr);
183 }
184
185 // x-axis
186 // ------
187 painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMax*3, int((yMax-yMin)*xLine));
188
189 int anchor = 0;
190 QMapIterator<QByteArray, sumAndMean*> it(_bytes);
191 while (it.hasNext()) {
192 it.next();
193 QByteArray staID = it.key();
194
195 int xx = xMin+80+anchor*12;
196
197 if(_maxRate > 0.0) {
198 int yy = int(yLength * (it.value()->_mean / maxRateRounded));
199 QColor color = QColor::fromRgb(_ran[0][anchor],_ran[1][anchor],_ran[2][anchor],150);
200 painter.fillRect(xx-13, int((yMax-yMin)*xLine)-yy, 9, yy,
201 QBrush(color,Qt::SolidPattern));
202 painter.setPen(Qt::black);
203 if(it.value()->_mean<=0) {
204 painter.setPen(Qt::red);
205 }
206 }
207
208 painter.save();
209 painter.translate(xx-13, int(yMax-yMin)*xLine+65);
210 painter.rotate(-90);
211 painter.drawText(-30,0,95,50,Qt::AlignRight,staID.left(10) + " ");
212 painter.restore();
213
214 anchor++;
215 }
216}
217
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