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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* networksender.cc
*
* Mon Mar 6 20:14:35 CET 2006
* Copyright 2006 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MIaV is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "networksender.h"
#include "configuration.h"
#include "info.h"
#include <sys/time.h>
#include <util.h>
NetworkSender::NetworkSender(QString cpr)
{
if(MIaV::config->get("server_addr", &ip))
MIaV::info->error("Could not read the symbol [server_addr] from the conf file!");
if(MIaV::config->get("server_port", &port))
MIaV::info->error("Could not read the symbol [server_port] from the conf file!");
// Connect
socket = new TCPSocket(port, ip);
if(socket->connect()) {
MIaV::info->error("Could not connect to %s on port %d because: %s",
ip.c_str(), port, socket->error().c_str());
}
network = new Network(socket);
fps = 0.0;
running = true;
gettimeofday(&oldtime, NULL);
for(int cnt = 0; cnt < BUFFERSIZE; cnt++) {
frametime[cnt] = 41660;
}
gettimeofday(&time, NULL);
interval = 0;
fprintf(stderr, "Connect [%p]\n", this);
}
NetworkSender::~NetworkSender()
{
sleep(1); // FIXME: This is needed to prevent a crash!
// Disconnect
delete network;
delete socket;
fprintf(stderr, "Disconnect [%p]\n", this);
}
void NetworkSender::pushFrame(Frame* frame, bool freeze, bool snapshot)
{
if(freeze || snapshot) printf("Freeze: %d Snapshot %d\n", freeze, snapshot);
// Frame *frame = new Frame((unsigned char*)framedata);
frame->freeze = freeze;
frame->shoot = snapshot;
mutex.lock();
framelist.push_back(frame);
mutex.unlock();
semaphore.release();
}
unsigned int NetworkSender::queueSize()
{
unsigned int sz;
mutex.lock();
sz = framelist.size();
mutex.unlock();
return sz;
}
void NetworkSender::run()
{
setPriority(QThread::IdlePriority);
fprintf(stderr, " Run %p\n", this);
while(running) {
if(queueSize()) semaphore.acquire();
Frame *frame = NULL;
mutex.lock();
if(framelist.isEmpty() == false) frame = framelist.takeLast();
mutex.unlock();
if(frame) {
// Send the frame over the network
network->sendFrame(frame);
if(frame->vframe) delete frame->vframe;
if(frame->aframe) delete frame->aframe;
delete frame;
// Set status
statusmutex.lock();
checkPoint();
statusmutex.unlock();
}
}
terminatesemaphore.release(); // Signal the stop method that the thread has stopped running.
fprintf(stderr, " Stop %p\n", this);
}
void NetworkSender::stop()
{
running = false;
semaphore.release(); // Kick the thread active
terminatesemaphore.acquire(); // Wait for the thread to stop
}
double NetworkSender::getfps()
{
double f;
statusmutex.lock();
f = fps;
statusmutex.unlock();
return f;
}
void NetworkSender::checkPoint()
{
for(int cnt = BUFFERSIZE - 1; cnt > 0; cnt--) {
frametime[cnt] = frametime[cnt-1];
}
frametime[0] = (1000000 * time.tv_sec + time.tv_usec) - (1000000 * oldtime.tv_sec + oldtime.tv_usec);
oldtime.tv_sec = time.tv_sec;
oldtime.tv_usec = time.tv_usec;
gettimeofday(&time, NULL);
double total = 0.0;
for(int cnt = 0; cnt < BUFFERSIZE; cnt++) {
total += (double)frametime[cnt];
}
fps = 1000000.0 / (total / (double)BUFFERSIZE);
}
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