예제 #1
0
static void initialize(char *type,char *bank_ip,int *bank_port,Message *send_Msg,ST_PACK *rPack,char *send_buf)
{
	get_ip_port(bank_ip,bank_port,rPack); //银行服务器IP和银行服务器Port 
	getdata(send_Msg,rPack); //获取数据
	strcpy(send_Msg->txcode,type); //初始化发送数据交易代码
	struct2str(send_Msg,send_buf);  //拼装
	print_send_msg(send_Msg); // 打印发送报文
}
예제 #2
0
파일: esp8266.c 프로젝트: JiuchengXu/shit
void recv_data(u32 *ip, u16 *port, char *buf, u16 *buf_len)
{
	char tmp[10], c;
	u16 len;
	u8 fd;
	u16 i;
	struct ip_port_map *map;

	while (1) {
		c = bus_recieve();
		
		if (c == '+') {
			msleep(20);		
		} else if (c == '\0') {
			msleep(20);
			continue;
		} else {
			msleep(1);
			continue;
		}
		
		/* read IPD */
		for (i = 0; i < 4; i++)
			tmp[i] = bus_recieve();
		
		if (strncmp(tmp, "IPD,", 4) != 0)
			continue;
		
		/* read fd */
		for (i = 0; i < 2; i++)
			tmp[i] = bus_recieve();
		
		//fd is from '0' to '9'
		fd  = tmp[0] - '0';
		
		/* get length */
		len = get_len(tmp);
		
		for (i = 0; i < len; i++)
			buf[i] = bus_recieve();
		
		break;
	}
	
	map = get_ip_port(fd);
	*ip = map->ip;
	*port = map->remote_port;
	*buf_len = len;
}
예제 #3
0
파일: network.c 프로젝트: 0x0d/lrc
static int do_net_open(char *iface)
{
	int s, port;
	char ip[16];
	struct sockaddr_in s_in;

	port = get_ip_port(iface, ip, sizeof(ip)-1);
	if (port == -1)
		return -1;

	s_in.sin_family = PF_INET;
	s_in.sin_port = htons(port);
	if (!inet_aton(ip, &s_in.sin_addr))
		return -1;

	if ((s = socket(s_in.sin_family, SOCK_STREAM, IPPROTO_TCP)) == -1)
		return -1;

	printf("Connecting to %s port %d...\n", ip, port);

	if (connect(s, (struct sockaddr*) &s_in, sizeof(s_in)) == -1) {
		close(s);

		printf("Failed to connect\n");

		return -1;
	}

	if (handshake(s) == -1) {
		close(s);

		printf("Failed to connect - handshake failed\n");

		return -1;
	}

	printf("Connection successful\n");

	return s;
}
예제 #4
0
/************************************************
 * 功能:初始化socket_client
 * 返回值:返回socket描述符
 *
 * 
 * *********************************************/
int init_socket_client(char *confname)
{
	int     sockfd;
        char    ip[15];
        int     port;
        struct sockaddr_in servaddr;


        if(get_ip_port(confname, ip, &port) < 0)
	{
		printf("get_ip_port error\n");
		return -1;
	}

        printf("ip is %s ", ip);
        printf("port is %d\n", port);

        sockfd = socket(AF_INET, SOCK_STREAM, 0);
	if(sockfd < 0)
	{
		printf("create sockfd error\n");
		return -1;
	}

        bzero(&servaddr, sizeof(servaddr));
        servaddr.sin_family = AF_INET;
        servaddr.sin_port = htons(port);
        inet_pton(AF_INET, ip, &servaddr.sin_addr);

        if(connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
	{
		printf("connect server error\n");
		return -1;
	}

        printf("start client!\n");
        
	return sockfd;
}