?? server.c
字號:
#include<stdlib.h>
#include<netinet/in.h>
#include<stdio.h>
#include<errno.h>
#include<string.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<sys/wait.h>
#define SERUPORT 55555
#define BACKLOG 10
static void sub_proc(int conn_sock);
int main(void){
int sockfd;
int client_fd;
pid_t pid;
struct sockaddr_in my_addr;
struct sockaddr_in remote_addr;
if((sockfd=socket (AF_INET, SOCK_STREAM, 0)) == -1){
perror("you are creat sock is error");
exit(1);
}
my_addr.sin_port=htons(SERUPORT);
my_addr.sin_addr.s_addr= INADDR_ANY;
my_addr.sin_family=AF_INET;
bzero(&(my_addr.sin_zero) , 8);
if(bind(sockfd,(struct sockaddr *)&my_addr, sizeof(struct sockaddr))
== -1){
perror(" bind is error");
exit(1);
}
if(listen(sockfd, BACKLOG)==-1){
perror("listen is error");
exit(1);
}
while(1){
int sin_size = sizeof(struct sockaddr_in);
if((client_fd = accept(sockfd, (struct sockaddr *)&remote_addr, &sin_size)) == -1){
printf("accept is error[%d]\n", errno);
exit(0);
}
printf("receiverd is connection from %s\n", inet_ntoa(remote_addr.sin_addr));
printf("client_fd[%d]\n", client_fd);
pid = fork();
if(pid < 0){
printf("Create process Error[%d]\n", errno);
exit(0);
}
else if(pid == 0){
sub_proc(client_fd);
close(client_fd);
}
else{
// Parent
close(client_fd);
}
}
}
static void sub_proc(int conn_sock)
{
if(send (conn_sock,"HELLOW,you are is connected!\n",28 ,0)== -1){
perror("send id error");
exit(0);
}
return;
}
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