#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <netdb.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdlib.h>
#define DEST_IP "192.168.1.115"
#define DEST_PORT 80
#define BUFF_SIZE 1024*2
int main(){
int sockfd;
struct sockaddr_in dest_addr;
if((sockfd= socket(AF_INET,SOCK_STREAM,0))==-1){
perror("socket");
exit(1);
}
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(DEST_PORT);
dest_addr.sin_addr.s_addr = inet_addr(DEST_IP);
bzero(&(dest_addr.sin_zero),8);
if(connect(sockfd,(struct sockaddr *)&dest_addr,sizeof(struct sockaddr))==-1)
{
perror("connect");
close(sockfd);
exit(1);
}
char requestHeader[256];
char* m_path = "a.flv";
int start_size=0;
int end_size=start_size+500;
int len = sprintf(requestHeader,"GET /%s HTTP/1.1\r\n"
"Host: %s\r\n"
"Range: bytes=%d-%d\r\n" //从m_receivedDataSize位置开始
"Connection: keep-alive\r\n"
"\r\n",m_path,DEST_IP,start_size,end_size);
printf("len=%d\n",len);
int size;
char buff[BUFF_SIZE];
write(sockfd,requestHeader,len);
while((size=read(sockfd,buff,BUFF_SIZE))>0){
printf("[size=%d] [content=%s]\n",size,buff);
}
return 0;
}
c++ http客户端下载文件 断点续传原理
最新推荐文章于 2025-02-13 00:15:00 发布