client.py
from socket import *
HOST = '192.168.1.14' # or 'localhost'
PORT = 8887
BUFSIZ =1024
ADDR = (HOST,PORT)
tcpCliSock = socket(AF_INET,SOCK_STREAM)
tcpCliSock.connect(ADDR)
while True:
data1 = input('>')
#data = str(data)
if not data1:
break
tcpCliSock.send(data1.encode())
data1 = tcpCliSock.recv(BUFSIZ)
if not data1:
break
print(data1.decode('utf-8'))
tcpCliSock.close()
com.py
#! /usr/bin/env python
#coding=utf-8
import pty
import os
import select
def mkpty():
#
master1, slave = pty.openpty()
slaveName1 = os.ttyname(slave)
master2, slave = pty.openpty()
slaveName2 = os.ttyname(slave)
print '/nslave device names: ', slaveName1, slaveName2
return master1, master2
if __name__ == "__main__":
master1, master2 = mkpty()
while True:
rl, wl, el = select.select([master1,master2], [], [], 1)
for master in rl:
data = os.read(master, 128)
if master==master1:
print "master1 receive data: %d data:" % len(data)
print data
else:
print "master2 receive data: %d data:" % len(data)
print data
client.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>
#define MYPORT 8887
#define BUFFER_SIZE 1024
int main()
{
///定义sockfd
int sock_cli = socket(AF_INET,SOCK_STREAM, 0);
///定义sockaddr_in
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(MYPORT); ///服务器端口
servaddr.sin_addr.s_addr = inet_addr("xxxxxx"); ///服务器ip
///连接服务器,成功返回0,错误返回-1
if (connect(sock_cli, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
{
perror("connect");
exit(1);
}
char sendbuf[BUFFER_SIZE];
char recvbuf[BUFFER_SIZE];
while (fgets(sendbuf, sizeof(sendbuf), stdin) != NULL)
{
// int len = strlen(sendbuf);
// if(sendbuf[len-1] == '
'){sendbuf[len--]=0;}
printf("send:%s",sendbuf);
send(sock_cli, sendbuf, strlen(sendbuf),0); ///发送
recv(sock_cli, recvbuf, strlen(recvbuf),0); ///接收
fputs(recvbuf, stdout);
memset(sendbuf, 0, sizeof(sendbuf));
memset(recvbuf, 0, sizeof(recvbuf));
}
close(sock_cli);
return 0;
}
server.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>
#include <asm/termios.h>
#define DEV_NAME "/dev/pts/1"
#define MYPORT 8887
#define QUEUE 20
#define BUFFER_SIZE 1024
int mainFunction()
{
int fd;//serial port
///定义sockfd
int server_sockfd = socket(AF_INET,SOCK_STREAM, 0);
///定义sockaddr_in
struct sockaddr_in server_sockaddr;
server_sockaddr.sin_family = AF_INET;
server_sockaddr.sin_port = htons(MYPORT);
server_sockaddr.sin_addr.s_addr = htonl(INADDR_ANY);
fd = open(DEV_NAME, O_RDWR | O_NOCTTY);
if(fd < 0)
{
perror(DEV_NAME);
return -1;
}
printf("port is ready
");
cfsetispeed(fd,115200);
cfsetospeed(fd,115200);
//bind,成功返回0,出错返回-1
while(bind(server_sockfd,(struct sockaddr *)&server_sockaddr,sizeof(server_sockaddr))==-1)
{
;
}
///listen,成功返回0,出错返回-1
if(listen(server_sockfd,QUEUE) == -1)
{
perror("listen error
");
return;
}
///客户端套接字
char buffer[BUFFER_SIZE];
struct sockaddr_in client_addr;
socklen_t length = sizeof(client_addr);
///成功返回非负描述字,出错返回-1
int conn = accept(server_sockfd, (struct sockaddr*)&client_addr, &length);
if(conn<0)
{
perror("connect error
");
return;
}
while(1)
{
memset(buffer,0,sizeof(buffer));
int len = recv(conn, buffer, sizeof(buffer),0);
if(len<=0)
{
printf("maybe disconnected... restart:
");
break;
}
// if(buffer[0]=='
')
// {
// printf("end by user");
// break;
// }
len = write(fd, buffer,len);
if (len < 0) {
printf("write data error
");
break;
}
send(conn,buffer, len, 0);
}
close(conn);
close(server_sockfd);
}
void main()
{
while(1)
{
mainFunction();
}
}