mirror of
https://github.com/riba2534/TCP-IP-NetworkNote.git
synced 2026-02-03 01:53:19 +08:00
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <unistd.h>
|
||
#include <arpa/inet.h>
|
||
#include <sys/socket.h>
|
||
|
||
#define BUF_SIZE 30
|
||
void error_handling(char *message);
|
||
|
||
int main(int argc, char *argv[])
|
||
{
|
||
int serv_sd, clnt_sd;
|
||
FILE *fp;
|
||
char buf[BUF_SIZE];
|
||
int read_cnt;
|
||
|
||
struct sockaddr_in serv_adr, clnt_adr;
|
||
socklen_t clnt_adr_sz;
|
||
|
||
if (argc != 2)
|
||
{
|
||
printf("Usage : %s <port>\n", argv[0]);
|
||
exit(1);
|
||
}
|
||
fp = fopen("file_server.c", "rb");
|
||
serv_sd = socket(PF_INET, SOCK_STREAM, 0);
|
||
|
||
memset(&serv_adr, 0, sizeof(serv_adr));
|
||
serv_adr.sin_family = AF_INET;
|
||
serv_adr.sin_addr.s_addr = htonl(INADDR_ANY);
|
||
serv_adr.sin_port = htons(atoi(argv[1]));
|
||
|
||
bind(serv_sd, (struct sockaddr *)&serv_adr, sizeof(serv_adr));
|
||
listen(serv_sd, 5);
|
||
|
||
clnt_adr_sz = sizeof(clnt_adr);
|
||
clnt_sd = accept(serv_sd, (struct sockaddr *)&clnt_adr, &clnt_adr_sz);
|
||
|
||
while (1)
|
||
{
|
||
//从文件流中读取数据，buffer为接收数据的地址，size为一个单元的大小，count为单元个数，stream为文件流
|
||
//返回实际读取的单元个数
|
||
read_cnt = fread((void *)buf, 1, BUF_SIZE, fp);
|
||
if (read_cnt < BUF_SIZE)
|
||
{
|
||
write(clnt_sd, buf, read_cnt);
|
||
break;
|
||
}
|
||
write(clnt_sd, buf, BUF_SIZE);
|
||
}
|
||
|
||
shutdown(clnt_sd, SHUT_WR);
|
||
read(clnt_sd, buf, BUF_SIZE);
|
||
printf("Message from client: %s \n", buf);
|
||
|
||
fclose(fp);
|
||
close(clnt_sd);
|
||
close(serv_sd);
|
||
return 0;
|
||
}
|
||
|
||
void error_handling(char *message)
|
||
{
|
||
fputs(message, stderr);
|
||
fputc('\n', stderr);
|
||
exit(1);
|
||
} |