// Demonstrates how to connect to a web server and request a web page
// The index page of www.thegamecreators.com should be received


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace HTTP_Client
{
    class Program
    {
        static void Main(string[] args)
        {
            // mnClientConnected return value constants
            const int C_NOT_CONNECTED = 0;
            const int C_CONNECTED = 1;
            const int C_NO_SEND = 2;
            const int C_NO_RECV = 3;
            const int C_NO_SEND_RECV = 4;

	        // Connect to server
	        int iReturn = 0;
	        Console.WriteLine("DarkNet version: " + mn.GetVersion());

	        Int64 RecvPacket = mn.CreatePacket();
	        Int64 SendPacket = mn.CreatePacket();
	        mn.SetMemorySize(SendPacket,1024);

	        mn.Start(1,0);
        	
	        mn.DisableTCPHandshake(0);
	        mn.SetAutoResizeTCP(0,0,true);
	        mn.EnableGracefulDisconnect(0);
	        mn.SetTCPMode(0,2);

	        string IP = mn.DNS("www.thegamecreators.com");

	        iReturn = mn.Connect(0,IP,80,IP,80,5,true);
	        mn.SetAutoResizeTCP(0,0,true);
	        switch(iReturn)
	        {
		        case(1):
			        Console.WriteLine("Connected to server");
		        break;

		        case(0):
			        Console.WriteLine("Connection timed out");
                    Console.WriteLine("Press any key to exit...");
	                Console.ReadKey();
			        return;
		        break;

		        case(-1):
			        Console.WriteLine("Error occurred whilst connecting");
                    Console.WriteLine("Press any key to exit...");
	                Console.ReadKey();
			        return;
		        break;

		        case(-2):
			        Console.WriteLine("Error occurred: server rejected connection request");
                    Console.WriteLine("Press any key to exit...");
	                Console.ReadKey();
			        return;
		        break;
	        }

	        // Send request
	        Console.WriteLine("Press any key to send!");
	        Console.ReadKey();
	        mn.AddString(SendPacket, "GET / HTTP/1.1\r\n",0,false);
	        mn.AddString(SendPacket, "Host: thegamecreators.com\r\n",0,false);
	        mn.AddString(SendPacket, "Connection: close\r\n",0,false);

	        mn.SendTCP(0,SendPacket,0,false,true);

	        // Main loop
	        while(mn.ClientConnected(0,0) != 0)
	        {
		        // Use less CPU
		        Thread.Sleep(1);
        	
		        // Check for graceful disconnect
		        if(mn.ClientConnected(0,0) == C_NO_RECV)
		        {
			        // Wait for all data to be received before closing connection
			        if(mn.GetTCPStoreAmount(0, 0) == 0)
			        {
				        mn.ShutdownClient(0,0);
			        }
		        }

		        // TCP packets
		        iReturn = mn.RecvTCP(0,RecvPacket,0);
        	
		        if(iReturn > 0)
		        {
			        Console.WriteLine("Packet size: " + mn.GetUsedSize(RecvPacket));
			        if(mn.GetUsedSize(RecvPacket) > 0)
			        {
				        Console.WriteLine("Packet data:");
				        string Data = mn.GetString(RecvPacket,mn.GetUsedSize(RecvPacket),true);
				        Console.WriteLine(Data);
                        Console.WriteLine();
			        }
		        }
	        }
        	
	        Console.WriteLine("Disconnected from server!");
            mn.Finish(-1);

            Console.WriteLine("Press any key to exit...");
	        Console.ReadKey();
        }
    }
}