static int timed_connect(int sock, const struct sockaddr *addr, unsigned int len)
{
int ret,value,value_len;
struct pollfd pfd[1];
pfd[0].fd=sock;
pfd[0].events=POLLOUT;
fcntl(sock, F_SETFL, O_NONBLOCK);
ret=true_connect(sock, addr, len);
// printf("\nconnect ret=%d\n",ret);fflush(stdout);
if(ret==-1 && errno==EINPROGRESS) {
ret=poll_retry(pfd,1,tcp_connect_time_out);
//printf("\npoll ret=%d\n",ret);fflush(stdout);
if(ret == 1) {
value_len=sizeof(int);
getsockopt(sock,SOL_SOCKET,SO_ERROR,&value,&value_len) ;
//printf("\nvalue=%d\n",value);fflush(stdout);
if(!value)
ret=0;
else
ret=-1;
} else {
ret=-1;
}
} else {
if (ret != 0)
ret=-1;
}
fcntl(sock, F_SETFL, !O_NONBLOCK);
return ret;
}
static int read_n_bytes(int fd, char *buff, size_t size) {
int ready;
size_t i;
struct pollfd pfd[1];
pfd[0].fd = fd;
pfd[0].events = POLLIN;
for(i = 0; i < size; i++) {
pfd[0].revents = 0;
ready = poll_retry(pfd, 1, tcp_read_time_out);
if(ready != 1 || !(pfd[0].revents & POLLIN) || 1 != read(fd, &buff[i], 1))
return -1;
}
return (int) size;
}
static int read_line(int fd, char *buff, size_t size)
{
int i,ready;
struct pollfd pfd[1];
pfd[0].fd=fd;
pfd[0].events=POLLIN;
for(i=0;i<size-1;i++)
{
pfd[0].revents=0;
ready=poll_retry(pfd,1,tcp_read_time_out);
if(ready!=1 || !(pfd[0].revents&POLLIN) || 1!=read(fd,&buff[i],1))
return -1;
else if(buff[i]=='\n')
{
buff[i+1]=0;
return (i+1);
}
}
return -1;
}
static int timed_connect(int sock, const struct sockaddr *addr, socklen_t len) {
int ret, value;
socklen_t value_len;
struct pollfd pfd[1];
PFUNC();
pfd[0].fd = sock;
pfd[0].events = POLLOUT;
fcntl(sock, F_SETFL, O_NONBLOCK);
ret = true_connect(sock, addr, len);
PDEBUG("\nconnect ret=%d\n", ret);
if(ret == -1 && errno == EINPROGRESS) {
ret = poll_retry(pfd, 1, tcp_connect_time_out);
PDEBUG("\npoll ret=%d\n", ret);
if(ret == 1) {
value_len = sizeof(socklen_t);
getsockopt(sock, SOL_SOCKET, SO_ERROR, &value, &value_len);
PDEBUG("\nvalue=%d\n", value);
if(!value)
ret = 0;
else
ret = -1;
} else {
ret = -1;
}
} else {
#ifdef DEBUG
if(ret == -1)
perror("true_connect");
#endif
if(ret != 0)
ret = -1;
}
fcntl(sock, F_SETFL, !O_NONBLOCK);
return ret;
}
