/*
* 客户请求进行相应的处理
* 并给予相应的响应
*/
void process_cli(int connfd ,struct sockaddr_in caddr)
{
int num;
char cli_data[MAXDATASIZE];
char recvbuf[MAXDATASIZE],sendbuf[MAXDATASIZE],
cli_name[MAXDATASIZE];
printf("You got a connection from %s.\n",inet_ntoa(caddr.sin_addr));
num = recv(connfd,cli_name,MAXDATASIZE,0);
if(num==0)
{
close(connfd);
printf("Client disconnected\n");
return ;
}
cli_name[num-1] = '\0';
printf("Client's name is %s\n",cli_name);
while(num=recv(connfd,recvbuf,MAXDATASIZE,0))
{
recvbuf[num] = '\0';
printf("Recvived client (%s) message:%s",cli_name,recvbuf);
//save user's data
//savedata(recvbuf,num,cli_data);
savedata_r(recvbuf,num,cli_data);
int i;
for(i = 0;i<num;i++)
{
if((recvbuf[i]>='a'&&recvbuf[i]<='z')||(recvbuf[i]>='A'&&recvbuf[i]<='Z'))
{
recvbuf[i] = recvbuf[i]+3;
if((recvbuf[i]>'Z'&&recvbuf[i]<'Z'+3)||(recvbuf[i]>'z'))
{
recvbuf[i] = recvbuf[i] - 26;
}
}
sendbuf[i] = recvbuf[i];
}
sendbuf[num] = '\0';
send(connfd,sendbuf,strlen(sendbuf),0);
}
printf("有客户退出%s:%d\n",inet_ntoa(caddr.sin_addr),ntohs(caddr.sin_port));
printf("Client (%s) closed connection.\nUser's data:%s\n",cli_name,cli_data);
close(connfd);
}
void process_cli(int connectfd, sockaddr_in client)
{
int num;
char cli_data[5000];
char recvbuf[MAXDATASIZE], sendbuf[MAXDATASIZE], cli_name[MAXDATASIZE];
printf("You got a connection from %s. ",inet_ntoa(client.sin_addr) );
/* Get client's name from client */
num = recv(connectfd, cli_name, MAXDATASIZE,0);
if (num == 0) {
close(connectfd);
printf("Client disconnected.\n");
return;
}
cli_name[num - 1] = '\0';
printf("Client's name is %s.\n",cli_name);
while (num = recv(connectfd, recvbuf, MAXDATASIZE,0)) {
recvbuf[num] = '\0';
printf("Received client( %s ) message: %s",cli_name, recvbuf);
/* save user's data */
savedata_r(recvbuf,num,cli_data);
/* reverse usr's data */
for (int i = 0; i < num - 1; i++) {
sendbuf[i] = recvbuf[num - i -2];
}
sendbuf[num - 1] = '\0';
send(connectfd,sendbuf,strlen(sendbuf),0); /* send to the client welcome message */
}
close(connectfd); /* close connectfd */
printf("Client( %s ) closed connection. User's data: %s\n",cli_name,cli_data);
}
