int main(int argc, char *argv[])
{
FILE *fpin = NULL;
if( argc == 1 )
{
printf( HMSG, argv[0] );
return 0;
}
else
{
for(int i = 1; i < argc; ++i)
{
if(argc > 2)
{
printf("\n---%03d---%s---\n", i, argv[i]);
}
if( (fpin = fopen(argv[i], "r")) == NULL )
{
perrmsg(argv[i], ERR_OPEN_FILE);
exit(1);
}
realChar(fpin);
fclose(fpin);
}
}
return 0;
}
//Correlation for two vector interval [b,e]
float corf_2(float *trace1, float *trace2, int len, int b, int e)
{
if(b < 0 || e < 0 || b > len || e > len || e < b)
{
perrmsg( "corf_2", WARN_OUT_RANGE);
exit(1);
}
int i;
float ak = 0.0f, ac1 = 0.0f, ac2 = 0.0f ;
for(i = b; i <= e; ++i)
{
ak += trace1[i] * trace2[i];
ac1 += trace1[i] * trace1[i];
ac2 += trace2[i] * trace2[i];
}
//Add by Wangsheng 2015/11/08
if(ac1 > 1.0e-8 && ac2 > 1.0e-8)
ak *= sqrtf(1.0f/ ac1 / ac2);
else
ak = 0.0f;
return ak;
}
int main(int argc,char * argv[]){
if (argc <= 2){
printf("usage : ip port\n");
// return 1;
}
const char * ip = argv[1];
int port = atoi(argv[2]);
struct sockaddr_in address;
memset(&address,0,sizeof(address));
//address.sin_family = AF_INET;
//inet_pton(AF_INET,ip,&address.sin_addr);
//address.sin_port = htons(port);
address.sin_family=AF_INET;
address.sin_addr.s_addr=INADDR_ANY;
address.sin_port=htons(8000);
int listenfd = socket(PF_INET,SOCK_STREAM,0);
assert(listenfd >= 0);
int ret = bind(listenfd,(struct sockaddr * )&address,sizeof(address));
if (ret == -1){
perrmsg(errno);
return 1;
}
ret = listen(listenfd,5);
assert(ret != -1);
struct epoll_event events[MAX_EVENT_NUMBER];
int epollfd = epoll_create(5);
assert (epollfd != -1);
addfd(epollfd,listenfd);
ret = socketpair(PF_UNIX,SOCK_STREAM,0,pipefd);
assert (ret != -1);
setnoblocking(pipefd[1]);
addfd(epollfd,pipefd[0]);
addsig(SIGHUP);
addsig(SIGCHLD);
addsig(SIGTERM);
addsig(SIGINT);
int stop_server = 0;
while(!stop_server){
int number = epoll_wait(epollfd,events,MAX_EVENT_NUMBER,-1);
if ((number != 0) && ( errno != EINTR)){
printf ("epoll failed\n");
strerror(errno);
}
int i=0;
for ( i; i< number; i++){
int sockfd = events[i].data.fd;
if (sockfd = listenfd){
struct sockaddr_in client_address;
socklen_t client_lenth = sizeof(client_address);
int connfd = accept(listenfd,(struct sockaddr *)&client_address,&client_lenth);
addfd(epollfd,connfd);
}
else if ((sockfd == pipefd[0]) && (events[i].events & EPOLLIN)){
int sig;
char signals[1024];
ret = recv(pipefd[0],signals,sizeof(signals),0);
if (ret == -1){
continue;
}
else if(ret == 0){
continue;
}
else{
int i;
for ( i=0;i<ret;++i){
printf("sig no occured is %d",signals[i]);
if (signals[i] == SIGINT){
stop_server = 1;
}
}
}
}
}
}
printf("close fds\n");
close(listenfd);
close(pipefd[0]);
close(pipefd[1]);
return 0;
}
