#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <netdb.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <iostream.h>

int main (int argc, char** argv)
{
  if (argc != 6)
    {
      cout << "speedC <socktype> <# of times> <# of bytes> <server ip address> <port>\n";
      cout << "\twhere socktype: \n\t\t1 -> SOCK_STREAM\n\t\t2 -> SOCK_CLUSTER\n";
      return 1;
    }
  
  int socktype = atoi(argv[1]);
  if ((socktype <= 0) || (socktype > 2))
    {
      cout << "Socktype must be 1 for SOCK_STREAM or 2 for SOCK_CLUSTER\n";
      return 1;
    }
  
  int sockDeclVal = 0;
  switch(socktype)
    {
    case 1:
      sockDeclVal = SOCK_STREAM;
      break;
    case 2:
      sockDeclVal = SOCK_CLUSTER;
      break;
    }
  
  int numTests = atoi(argv[2]);
  int numBytes = atoi(argv[3]);
  char* machineName = argv[4];
  int port = atoi(argv[5]);
  
  struct hostent* host = gethostbyname(machineName);
  
  struct sockaddr_in sockStruct;
  sockStruct.sin_family =  AF_INET;
  sockStruct.sin_port = port;
  sockStruct.sin_addr.s_addr = inet_addr(machineName);
  
  int desc = socket(PF_INET, sockDeclVal, 0); //0->ip
  if (desc == -1)
    {
      cout << "Error setting protocol\n";
      return 1;
    }
  
  
  if ( connect(desc, (const sockaddr*)&sockStruct, sizeof(sockStruct)) == -1)
    {
      cout << "Failed to connect, " << strerror(errno) << "\n";
      return 1;
    }
  
  //we have connected
  char response[1];
  char* sentMsg = new char[numBytes];
  
  for (int j=0; j< numTests; j++)
    {
      int got = recv(desc, (void*)sentMsg, numBytes,  MSG_WAITALL );
      if (numBytes != got)
	{
	  cout << "Only received " << got << " chars\n";
	  return 1;
	}
    }
  if (send(desc, (const void*)response, sizeof(response),  MSG_WAITALL ) != 1)
    {
      cout << "Did not send all chars\n";
      return 1;
    }
  
 close(desc);
 
 return 0;
};