mirror of
https://github.com/riba2534/TCP-IP-NetworkNote.git
synced 2026-02-11 22:05:01 +08:00
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/***************************************recvsend_clnt.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 sd;
|
|
FILE *fp;
|
|
|
|
char buf[BUF_SIZE];
|
|
char file_name[BUF_SIZE];
|
|
int read_cnt;
|
|
struct sockaddr_in serv_adr;
|
|
if(argc!=3) {
|
|
printf("Usage: %s <IP> <port>\n", argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
//输入文件名
|
|
printf("Input file name: ");
|
|
scanf("%s", file_name);
|
|
//打开文件名
|
|
fp=fopen(file_name, "wb");
|
|
|
|
//创建套接字
|
|
sd=socket(PF_INET, SOCK_STREAM, 0);
|
|
//初始化
|
|
memset(&serv_adr, 0, sizeof(serv_adr));
|
|
serv_adr.sin_family=AF_INET;
|
|
serv_adr.sin_addr.s_addr=inet_addr(argv[1]);
|
|
serv_adr.sin_port=htons(atoi(argv[2]));
|
|
|
|
connect(sd, (struct sockaddr*)&serv_adr, sizeof(serv_adr));
|
|
//写入要传输的文件
|
|
write(sd, file_name, strlen(file_name)+1);
|
|
|
|
while((read_cnt=read(sd, buf, BUF_SIZE))!=0)
|
|
fwrite((void*)buf, 1, read_cnt, fp);
|
|
|
|
fclose(fp);
|
|
close(sd);
|
|
return 0;
|
|
}
|
|
|
|
void error_handling(char *message)
|
|
{
|
|
fputs(message, stderr);
|
|
fputc('\n', stderr);
|
|
exit(1);
|
|
}
|
|
|
|
|