#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#define TRUE 1
main()
{
int sock, msgsock, length;
struct sockaddr_in name;
FILE *fp;
int rval,wrval;
char buf[1024],filename[1024];
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0) {
perror("opening stream socket");
exit(1);
}
/*-------------------------------------------------------*/
/* Create the acceptable connection host with Wildcard */
/*-------------------------------------------------------*/
name.sin_family = AF_INET;
name.sin_addr.s_addr = INADDR_ANY;
name.sin_port = 5000;
if (bind(sock, (struct sockaddr *)&name, sizeof name) < 0) {
perror ("binding stream socket");
exit(1);
}
listen(sock,5);
do{
msgsock = accept(sock,(struct sockaddr *)0, (int *)0);
if (msgsock == -1)
perror("accept error !\\n ");
else do {
bzero(buf, sizeof(buf) );
/*--------------------------------------------------*/
/* Read filename from msgsock (sent from client) */ -------------(1)
/*--------------------------------------------------*/
if ((rval = read(msgsock, buf,1024)) < 0)
perror("reading stream message");
if (rval == 0)
printf("Ending connection\\n");
else {
if ((fp=fopen(buf,"r")) == NULL) {
printf("抱歉! 無法找到所要的檔案 : %s !\\n ",buf);
break;
}
printf("開啟 [%s]檔案及傳輸中 !!\\n ",buf);
bzero(filename,sizeof(filename));
strcpy(filename, buf);
/*--------------------------------------------------*/
/* Read file content & sent to msgsock ...> client */-------------(2)
/*--------------------------------------------------*/
while (fgets(buf,sizeof(buf),fp) != (char*)NULL) {
if ((wrval=write(msgsock,buf,sizeof(buf))) <0)
break;
printf(".");
}
fclose(fp);
printf("\\n\\n 關閉 [%s]檔案 ! \\n",filename);
rval=0;
}
}while (rval != 0);
close(msgsock);
printf(" [%s]檔案已傳輸完成* !! \\n ",filename);
printf(" 檔案傳輸傳輸伺服器在 Port 5000 等待客戶連線中 !!\\n\\n\\n");
}while (TRUE);
close(sock);
exit(0);
}
