//此程序配合開發板webserver.c調試

#include <stdio.h>
#include "winsock2.h"
#include "windows.h"

void main() {

  //----------------------
  // Initialize Winsock.
  WSADATA wsaData;
  SOCKET ConnectSocket;
  struct sockaddr_in clientService;  
  int bytesSent,numread,filesize;
  DWORD dwStart,dwEnd;
  double delta,rate;
  unsigned char sendbuf[1];

  FILE *fp;

  int iResult = WSAStartup(MAKEWORD(2,2), &wsaData);

  if( (fp = fopen( "c:\\y.pdf", "rb" )) == NULL ){
	  printf("Problem opening the file\n");
	  return;
  }

  filesize = 0;

  if (iResult != NO_ERROR)
    printf("Error at WSAStartup()\n");

  //----------------------
  // Create a SOCKET for connecting to server
  ConnectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (ConnectSocket == INVALID_SOCKET) {
    printf("Error at socket(): %ld\n", WSAGetLastError());
    WSACleanup();
    return;
  }

  //----------------------
  // The sockaddr_in structure specifies the address family,
  // IP address, and port of the server to be connected to.
  clientService.sin_family = AF_INET;
  clientService.sin_addr.s_addr = inet_addr( "192.168.0.6" );
  clientService.sin_port = ntohs( 2280 );//2280 for 1 channel tcp test ; 2290 for multi tcp test

  //----------------------
  // Connect to server.
  if ( connect( ConnectSocket, (SOCKADDR*) &clientService, sizeof(clientService) ) == SOCKET_ERROR) {
    printf( "Failed to connect.\n" );
    WSACleanup();
    return;
  }

  dwStart = GetTickCount();
  while( !feof( fp ) ){
      numread = fread( sendbuf, sizeof( char ), sizeof(sendbuf), fp );
	  if( ferror( fp ) )      {
         perror( "Read error" );
         break;
      }
	  bytesSent = send( ConnectSocket, sendbuf, numread, 0 );
	  filesize = filesize + numread;
  }
  dwEnd = GetTickCount();

  delta = (dwEnd - dwStart) / 1000.0;
  if(delta < 1E-6 && delta >= 0.0)
	  rate = 0;
  else
	  rate = filesize * 8 / 1000.0 / delta;
  printf("File size=%d(bytes) , trans time=%lf(s) , trans rate=%lf(Kbps)\n",filesize,delta,rate);

  printf("Press any key to continue...\n");
  getchar();

  WSACleanup();
  fclose(fp);
  return;
}