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| #include "udp_test_transmiter.h"
udpTestTransmiter::udpTestTransmiter()
{
setReady(false);
setDone(false);
timeout=0;
_port=0;
ip=0;
}
udpTestTransmiter::udpTestTransmiter(statisticsHandler *_stat, const char * _ip, int16_t port, int32_t speed)
: _port(port)
, stat(_stat)
, ip(_ip)
, abs_speed(speed)
, aru(100000)
, aru_type(0)
{
timeout=1;
//_buflen=speed/39;
if(speed>=12000 && speed<16000)
{
_buflen=340;
aru_type=1;
}
else if(speed>=16000 && speed<=20000)
{
_buflen=456;
aru_type=1;
}
else if(speed>8000 && speed<12000)
{
float tk=speed-8000;
tk/=1000;
tk=pow(1.5, abs(tk));
float tg=0.5+2*(abs(tk)/10);
_buflen=(int)lrint(((float)speed)/(38.5-tg*tk));
}
else if(speed>=5000 && speed<=8000)
{
float tk=8000-speed;
tk/=1000;
tk=pow(1.5, tk);
float tg=0.5-2*(abs(tk)/10);
_buflen=(int)lrint(((float)speed)/(38.5+tg*tk));
}
else if (speed<=5000)
{
float tk=8000-speed;
tk/=1000;
tk=pow(1.5, tk);
float tg=0.5+4*(abs(tk)/10);
_buflen=(int)lrint(((float)speed)/(38.5+tg*tk));
aru_type=2;
}
bufChange=false;
setReady(true);
setDone(false);
}
udpTestTransmiter::~udpTestTransmiter()
{
}
void udpTestTransmiter::configureClocks(std::string _takty)
{
int32_t speed=boost::lexical_cast<int32_t>(_takty);
abs_speed=speed;
if(speed>=12000 && speed<16000)
{
_buflen=340;
aru_type=1;
}
else if(speed>=16000 && speed<=20000)
{
_buflen=456;
aru_type=1;
}
else if(speed>8000 && speed<12000)
{
float tk=speed-8000;
tk/=1000;
tk=pow(1.5, abs(tk));
float tg=0.5+2*(abs(tk)/10);
_buflen=(int)lrint(((float)speed)/(38.5-tg*tk));
}
else if(speed>=5000 && speed<=8000)
{
float tk=8000-speed;
tk/=1000;
tk=pow(1.5, tk);
float tg=0.5-2*(abs(tk)/10);
_buflen=(int)lrint(((float)speed)/(38.5+tg*tk));
}
else if (speed<=5000)
{
float tk=8000-speed;
tk/=1000;
tk=pow(1.5, tk);
float tg=0.5+4*(abs(tk)/10);
_buflen=(int)lrint(((float)speed)/(38.5+tg*tk));
aru_type=2;
}
bufChange=true;
}
void udpTestTransmiter::run()
{
mutex.lock();
this->stopped=false;
mutex.unlock();
transmit();
}
void udpTestTransmiter::stop()
{
mutex.lock();
//cout<<"Try to stop!"<<endl;
this->stopped=true;
mutex.unlock();
setDone(true);
}
void udpTestTransmiter::transmit()
{
//struct sockaddr_in si_other;
int s, i=0, sen;
printf("Buffer length: %d \n", _buflen);
char *buf=static_cast<char *>(malloc(sizeof(char)*_buflen));
if((s=socket(AF_INET, SOCK_DGRAM, 0))<0)
setReady(false);
int tm=1;
if(setsockopt(s, SOL_SOCKET, SO_BROADCAST, &tm, sizeof(tm))==-1)
cout<<"Error socket option"<<endl;
si_other.sin_family=AF_INET;
si_other.sin_port=htons(_port);
si_other.sin_addr.s_addr=inet_addr(ip);
//if(inet_aton(ip,(in_addr *)&si_other.sin_addr.s_addr)==0) //!!!!
//cout<<"INET_ATON ERROR"<<endl;
cout<<"TestTransmiter::Started, num_packets:"<<i<<endl;
cout<<"IP "<<ip<<"port "<<_port<<endl;
cout<<"Timeout: "<<timeout<<endl;
cout<<"Buflen "<<_buflen<<endl;
time_t start, end, runtime;
time_t n_start, n_end, n_runtime;
int64_t bytes=0, bytes_real=0;
int64_t n_bytes=0;
int32_t n_speed;
float unused_num=0;
sleep(3);
time(&start);
time(&n_start);
while(!this->stopped && i<10000000)
{
i++;
boost::this_thread::sleep(boost::posix_time::microseconds(timeout));
if (bufChange) //Размер буфера изменился
{
cout<<"Buffer changed"<<endl;
free(buf);
buf=static_cast<char *>(malloc(sizeof(char)*_buflen));
bufChange=false;
}
memset(buf, 0, sizeof(char)*_buflen);
sprintf(buf,"%d",i);
if((sen=sendto(s, (void*)buf, sizeof(char)*_buflen, MSG_DONTWAIT, (struct sockaddr *)&si_other, sizeof(si_other)))<0)
{
perror("SendTo");
printf("Error sending message %d, To %s\n", sen, inet_ntoa(si_other.sin_addr));
/* Error */ --i;
continue;
}
n_bytes+=_buflen+40;
if(modf(((float)i)/aru, &unused_num)==0.0)
{
time(&n_end);
n_runtime=n_end-n_start;
n_speed=(int)lrint(((float)8*n_bytes/(1024))/n_runtime);
int32_t n_delta=abs_speed-n_speed;
cout<<"Delta is "<<n_delta<<" n_speed "<<n_speed<<endl;
if(abs(n_delta)>100)
{
if(n_delta<0)
{
//_buflen=(int)lrint(((float)abs_speed)/(38.5+0.5*(abs(n_delta)/100)));
float tmp=((float)abs_speed)/_buflen;
if(aru_type==0)//5000 - 12000
tmp+=0.7*(abs(n_delta)/100);
else if(aru_type==1) //12000 - 20000
tmp+=0.1*(abs(n_delta)/100);
else //1000 - 5000
tmp+=0.7*(abs(n_delta)/100);
_buflen=(int)lrint(abs_speed/tmp);
}
else
{
//_buflen=(int)lrint(((float)abs_speed)/(38.5-0.5*(abs(n_delta)/100)));
float tmp=((float)abs_speed)/_buflen;
if(aru_type==0)//5000 - 12000
tmp-=0.7*(abs(n_delta)/100);
else if(aru_type==1) //12000 - 20000
tmp-=0.1*(abs(n_delta)/100);
else //1000 - 5000
tmp-=0.7*(abs(n_delta)/100);
_buflen=(int)lrint(abs_speed/tmp);
}
bufChange=true;
cout<<"New buffer: "<<_buflen<<endl;
}
n_bytes=0;
time(&n_start);
}
bytes+=_buflen+40;
bytes_real+=sen;
if(!mode)
stat->updateStatistics(true, i);
}
time(&end);
runtime=end-start;
printf("Time elapsed runtime: %d sec\n", runtime);
printf("Bits send: %d \n", bytes*8);
printf("Bits real send: %d \n", bytes_real*8);
printf("KBits per second: %f Kb/s\n", ((float)8*bytes/(1024))/runtime);
printf("KBits per second real: %f Kb/s\n", ((float)8*bytes_real/(1024))/runtime);
sprintf(buf,"%d",-1);
usleep(400);
if((sen=sendto(s, ((void*)buf), _buflen, /*MSG_DONTWAIT*/ 0, (struct sockaddr *)&si_other, sizeof(struct sockaddr)))<0)
{
printf("Error sending message %d, To %s\n", sen, inet_ntoa(si_other.sin_addr));
/* Error */
}
setDone(true);
free(buf);
close (s);
}
void udpTestTransmiter::setTestingMode(bool _mode)
{
if(_mode)
{
cout<<"Switching on testing mode"<<endl;
//configureClocks("4000");
si_other.sin_addr.s_addr=htonl(INADDR_BROADCAST);
si_other.sin_port=htons(ETH_PORT_CONTROL);
cout<<"testing mode on"<<endl;
}
else
{
cout<<"Switching off testing mode"<<endl;
si_other.sin_addr.s_addr=inet_addr(ip);
si_other.sin_port=htons(_port);
}
this->mode=_mode;
} |
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