gps-sdr-sim/socket.c
2017-04-23 03:36:31 +08:00

43 lines
855 B
C

#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/shm.h>
int sockinit(short port)
{
int sock = socket(AF_INET,SOCK_STREAM, 0);
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(port);
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
if (connect(sock, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
{
perror("connect");
exit(1);
}
return sock;
}
void sockclose(int s){
close(s);
}
void socksend(int s,void *dataa,int siz){
send(s,dataa,siz,0);
}
long int timem(){
struct timeval t;
gettimeofday(&t, NULL);
return t.tv_sec*1000+t.tv_usec/1000;
}