网络文件传输

#include "head.h"

int main(int argc, const char *argv[])
{

int sockfd;
ssize_t n;
char buf[10];

if(argc < 2){
perror("argc");
exit(0);
}

if((sockfd = socket(AF_INET,SOCK_STREAM,0)) == -1){
perror("socket");
exit(1);
}

struct sockaddr_in peeraddr;

peeraddr.sin_family = AF_INET;
peeraddr.sin_port = htons(50001);
peeraddr.sin_addr.s_addr = inet_addr("192.168.4.61");

if(connect(sockfd,(struct sockaddr *)&peeraddr,sizeof(peeraddr)) == -1){
perror("connect");
exit(1);
}

//open the source file
int fd1;
if( -1 == (fd1 = open(argv[1],O_RDONLY))){
perror("open");
return -1;
}

／／循环读并发送
while(1){
memset(buf,0,sizeof(buf));
if((n = read(fd1,buf,sizeof(buf))) > 0){
buf[strlen(buf)-1] = '\0';
send(sockfd,buf,n-1,0);
}
}
return 0;
}