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http://www.hackerschool.org/HS_Boards/zboard.php?desc=desc&no=94 [복사]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
void error_handling(char *message);
int main(int argc, char *argv[])
{
int serv_sock;
int clnt_sock;
struct sockaddr_in serv_addr;
struct sockaddr_in clnt_addr;
socklen_t clnt_addr_size;
char message[]="Hello World!";
if(argc!=2)
{
printf("Usage : %s <port>\n", argv[0]);
exit(1);
}
serv_sock=socket(PF_INET, SOCK_STREAM, 0);
if(serv_sock == -1)
error_handling("socket() error!");
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family=AF_INET;
serv_addr.sin_addr.s_addr=htonl(INADDR_ANY);
serv_addr.sin_port=htons(atoi(argv[1]));
if(bind(serv_sock, (struct sockaddr*) &serv_addr, sizeof(serv_addr))==-1);
error_handling("bind() error!");
if(listen(serv_sock, 5) == -1)
error_handling("listen() error!");
clnt_addr_size=sizeof(clnt_addr);
clnt_sock=accept(serv_sock, (struct sockaddr*)&clnt_addr, &clnt_addr_size);
if(clnt_sock == -1)
error_handling("accept() error!");
write(clnt_sock, message, sizeof(message));
close(clnt_sock);
close(serv_sock);
return 0;
}
void error_handling(char *message)
{
fputs(message, stderr);
fputc('\n', stderr);
exit(1);
}
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리눅스에서 서버를 실행하려는데
bind error 자꾸 나네요
아무리 찾아봐도 문제점이 없는데 ㅜ.ㅜ
gcc -o hserver hello_server.c <- 이렇게 컴파일해서
./hserver 9190 <- 포트번호 적어서 실행했는데;;;
bind() error!
몇시간째 헤매네요 ㅠ.ㅠ |
Hit : 3595 Date : 2012/09/05 10:26
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