檔案的發送端:
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define MAXSIZE 1024
int main()
{
FILE *fp;
int sockfd,recvfd;
char buf[MAXSIZE];
struct sockaddr_in my_addr;
struct sockaddr_in remote_addr;
socklen_t sin_size = sizeof(struct sockaddr_in);
if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
perror("socket error");
exit(-1);
}
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(4444);
my_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
bzero(&(my_addr.sin_zero), 8);
if(bind(sockfd, (struct sockaddr *)&my_addr, sizeof(struct sockaddr)) == -1)
{
perror("bind error");
exit(-1);
}
if(listen(sockfd, 10) == -1)
{
perror("listen error");
exit(-1);
}
if((recvfd = accept(sockfd, (struct sockaddr *)&remote_addr, &sin_size)) == -1)
{
perror("accept error");
exit(-1);
}
printf("sending data....\n");
if((fp = fopen("/home/liumr/work-liumr/Pearl.Harbor.8.mp4","r")) == NULL)
{
printf("can't open file\n");
exit(-1);
}
while(1)
{
if(fgets(buf, 100, fp) == NULL)
{
close(recvfd);
close(sockfd);
printf("send over\n");
exit(-1);
}
if(send(recvfd, buf, 100, 0) == -1)
{
perror("send error");
close(recvfd);
exit(-1);
}
printf("send data!!\n");
sleep(1);
}
close(fp);
close(recvfd);
close(sockfd);
}
檔案的接收端:
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#define MAXSIZE 1024
int main(int argc, char **argv)
{
int sockfd,recvbytes;
char buf[MAXSIZE];
FILE *fp;
struct sockaddr_in serv_addr;
if(argc < 2)
{
fprintf(stderr, "Please enter the server's ip\n");
exit(-1);
}
if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
perror("socket error");
exit(-1);
}
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(4444);
serv_addr.sin_addr.s_addr = INADDR_ANY;
bzero(&(serv_addr.sin_zero), 8);
if(connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(struct sockaddr)) == -1)
{
perror("connect error");
exit(-1);
}
if((fp = fopen("file.mp4","w")) == NULL)
{
printf("can't open file\n");
exit(-1);
}
while(1)
{
memset(buf, 0, 100);
recvbytes = recv(sockfd, buf, 100, 0);
if(recvbytes == 0)
{
printf("receive over!!\n");
close(fp);
close(sockfd);
exit(0);
}
printf("receive data!!\n");
fprintf(fp,"%s",buf);
sleep(1);
}
close(fp);
close(sockfd);
return 0;
}