/***********************************************************************
* name: socket module
* purpose: ocket send and recv data from netspy server on "127.0.0.1"
* notice: no
* author: by zjq
* time: 2013.03.06
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <string.h>
#include <netinet/in.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <stdint.h>
#include "socket.h"
#include "errno.h"
int sockfd = 0;
struct sockaddr_in server_addr;
struct sockaddr_in self_addr;
int socket_recv(uint8_t* buf,int buf_len)
{
int get_len = recv(sockfd,buf,buf_len,0);
if((get_len == -1)&&(errno == EAGAIN))
{
printf("recv fail!\n");
return 1;
}
else
return get_len;
}
int socket_send(uint8_t* str,int len)
{
if(!sockfd)
{
if(socket_connect() == -1)
exit(1);
}
printf("ok\n");
if(send(sockfd,str,len,0) == -1)
{
printf("send fail!\n");
exit(1);
}
return 0;
}
int socket_connect(void)
{
memset(&server_addr,0,sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(SERVER_PORT);
server_addr.sin_addr.s_addr = inet_addr(LAY_BACK_ADDR);
self_addr.sin_family = AF_INET;
self_addr.sin_port = htons(0);
self_addr.sin_addr.s_addr = INADDR_ANY;
printf("come in!\n");
if((sockfd = socket(AF_INET,SOCK_STREAM,0)) == -1)
{
printf("socket fail!\n");
return -1;
}
printf("socket ok!\n");
if(bind(sockfd,(struct sockaddr*)&self_addr,sizeof(self_addr)) == -1)
{
printf("bind fail!\n");
return -1;
}
printf("bind o!\n");
if(connect(sockfd,(struct sockaddr*)&server_addr,sizeof(server_addr)) == -1)
{
printf("connect fail!\n");
return -1;
}
printf("connect o!\n");
return 0;
}
int socket_close(void)
{
return close(sockfd);
}
