#include "WinSock.h"
#include "windows.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#pragma comment(lib,"wsock32.lib")
#define RECV_PORT 2000
#define SEND_PORT 3000
#define MAX_FILESIZE 32*1024
SOCKET sock;
sockaddr_in ServerAddr;
struct Filedata
{
char ffname[30];
char ffdata[MAX_FILESIZE];
int len;
}DataPacket;
DWORD StartSock()
{
WSADATA WSAdata;
if(WSAStartup(MAKEWORD(2,2),&WSAdata)!=0)
{
printf("sock init fail\n");
return (-1);
}
ServerAddr.sin_family = AF_INET;
ServerAddr.sin_addr.s_addr = inet_addr("192.168.1.101");
ServerAddr.sin_port = htons(RECV_PORT);
return 1;
}
DWORD CreateSocket()
{ sock= socket(AF_INET,SOCK_STREAM,0);
if(sock==SOCKET_ERROR)
{
printf("sock creat fail");
WSACleanup();
return -1;
}
return 1;
}
void CallServer()
{ CreateSocket();
while(connect(sock,(struct sockaddr *)&ServerAddr,sizeof(ServerAddr))==SOCKET_ERROR);
printf("connct......!\n");
}
DWORD GetFile(char* fname)
{
int i=0;
FILE *fp;
int Filesize=0;
int count,total=0;
char buffer[100];
char Senddata[MAX_FILESIZE];
fp = fopen(fname,"r");
if(fp==NULL)
{
printf("can not open this file!\n");
return 0;
}
memset(Senddata,0,MAX_FILESIZE);
while(!feof(fp))
{
count = fread(buffer,sizeof(char),100,fp);
if(ferror(fp))
{
printf("read file fail");break;
}
Filesize+=count;
if(Filesize>MAX_FILESIZE)
{
printf("your file is too big!\n");
fclose(fp);
return 0;
}
memcpy(&Senddata[i],buffer,count);
i+=count;
}
fclose(fp);
Senddata[i]='\0';
strcpy(DataPacket.ffname,fname);
memcpy(DataPacket.ffdata,Senddata,Filesize);
DataPacket.len=Filesize;
printf("%s %d\n",DataPacket.ffname,DataPacket.len);
return 1;
}
DWORD TCPSendPacket(struct Filedata Packet)
{
int length = send(sock,(char*)&Packet,sizeof(DataPacket),0);
if(length <=0)
{printf("send data error!\n");
closesocket(sock);
WSACleanup();
return -1;
}
return 1;
}
int main()
{
char sendfilename[30];
StartSock();
CallServer();
printf("connect ok!\n");
while(1)
{
printf("input your filename to send:\n");
scanf("%s",sendfilename);
if(strcmp(sendfilename,"exit")==0)break;
if(GetFile(sendfilename)==0)continue;
TCPSendPacket(DataPacket);
}
closesocket(sock);
return 0;
}
