代码拉取完成,页面将自动刷新
同步操作将从 异想天开/openwrt_mt7688_ctest 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
确定后同步将在后台操作,完成时将刷新页面,请耐心等待。
/*---------------------------------------------------------------------
Based on: blog.csdn.net/dlutbrucezhang/article/details/8880131
---------------------------------------------------------------------*/
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define FILE_SERVER_PORT 5555
#define BUFFER_SIZE 1024
#define FILE_NAME_MAX_SIZE 512
int main(int argc, char **argv)
{
int socket_desc;
struct sockaddr_in client_addr;
struct sockaddr_in server_addr;
FILE *fp;
int rec_len;
int wrt_len;
char file_name[FILE_NAME_MAX_SIZE+1];
char buffer[BUFFER_SIZE];
bzero(&client_addr,sizeof(client_addr));
/*
client_addr.sin_family = AF_INET; //Address Family IP version 4
client_addr.sin_addr.s_addr = htons(INADDR_ANY); //host to net short
client_addr.sin_port = htons(0); // auto. port number
*/
//------ check input arguments ------
if(argc !=2)
{
printf("Usage: ./%s server_IP \n",argv[0]);
exit(-1);
}
//------ get client socket desc -----
socket_desc = socket(AF_INET,SOCK_STREAM,0); //SOCK_STREAM -- connection oriented TCP protocol, 0--or IPPROTO_IP is IP protocol
if(socket_desc < 0)
{
printf("create client socket failed!\n");
exit(-1);
}
/*
//----- int bind(int sock, struct sockaddr *addr, int addrLen) -----
if( bind(socket_desc, (struct sockaddr*)&server_addr, sizeof(server_addr)) != 0 )
{
printf("Failed to bind server socket with port %d!\n",FILE_SERVER_PORT);
exit(-1);
}
*/
//----- server addr prepare -----
bzero(&server_addr,sizeof(server_addr));
server_addr.sin_family = AF_INET;
//------ get server_addr -------
if(inet_aton(argv[1],&server_addr.sin_addr) ==0 )
{
printf("Server IP address error!\n");
exit(-1);
}
server_addr.sin_port = htons(FILE_SERVER_PORT);
socklen_t server_addr_length = sizeof(server_addr);
//---- connect to server, int connect( int sock, (struct sockaddr *)servaddr, int addrLen) -----
if( connect(socket_desc,(struct sockaddr*)&server_addr, server_addr_length) < 0)
{
printf("fail to connect to file server IP %s!\n",argv[1]);
exit(-2);
}
bzero(file_name,FILE_NAME_MAX_SIZE+1);
printf("please input file name:\t");
scanf("%s",file_name);
bzero(buffer,BUFFER_SIZE);
strncpy(buffer,file_name,strlen(file_name) > BUFFER_SIZE?BUFFER_SIZE:strlen(file_name));
//---send buffer data to server ----
send(socket_desc,buffer,BUFFER_SIZE,0);
fp = fopen(file_name,"w");
if(fp==NULL)
{
printf("Cann't open file %s to write!\n",file_name);
exit(-3);
}
//----- receive data from server -------
bzero(buffer,BUFFER_SIZE);
rec_len=0;
//------ receive data from server and write to the file ----------
while( rec_len = recv(socket_desc,buffer,BUFFER_SIZE,0))
{
if(rec_len <0 )
{
printf("Fail to receive file data from the server!\n");
break;
}
//------ write data to file -----
wrt_len = fwrite(buffer,sizeof(char),rec_len,fp);
if(wrt_len < rec_len)
{
printf("Fail to write data to %s!",file_name);
break;
}
bzero(buffer,BUFFER_SIZE);
}// end of while()
printf("Finish receiving file %s from the server!\n",file_name);
close(fp);
close(socket_desc);
return 0;
}
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