static void* handle_thread(void* data)
{
struct fd_set fds;
struct timeval timeout = {3,0};
int max_fd = 0;
char recv_buf[512] = "";
char send_buf[512] = "";
int *m_socket = malloc(sizeof(int));
*m_socket = *(int*)data;
int s_socket = *m_socket;
int len;
while(1)
{
FD_ZERO(&fds);
FD_SET(s_socket, &fds);
max_fd = s_socket + 1;
if(select(max_fd, &fds, NULL, NULL, &timeout) <= 0)
continue;
if(FD_ISSET(s_socket, &fds)) {
bzero(recv_buf, sizeof(recv_buf));
len = recv(s_socket, recv_buf, sizeof(recv_buf), 0);
if(len <=0 ) break;
printf("[Server]: has recv bytes:%d, content:%s\n", len, recv_buf);
int value = atoi(recv_buf);
int res = square_int(value);
bzero(send_buf, sizeof(send_buf));
len = snprintf(send_buf, sizeof(send_buf), "%d", res);
len = send(s_socket, send_buf, len, 0);
printf("Has sent result:%d, len:%d\n", res, len);
}
}
free(m_socket); m_socket = NULL;
return NULL;
}
Value distance2( int x1, int y1, int z1, int x2, int y2, int z2 )
{
return square_int(x1 - x2) + square_int(y1 - y2) + square_int(z1 - z2);
}
