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xbs_node_message.cs
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xbs_node_message.cs
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/**
* Project: XBSlink: A XBox360 & PS3/2 System Link Proxy
* File name: xbs_node_message.cs
*
* @author Oliver Seuffert, Copyright (C) 2011.
*/
/*
* XBSlink is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; If not, see <http://www.gnu.org/licenses/>
*/
using System;
using System.Collections.Generic;
using System.Net;
using System.Net.NetworkInformation;
using System.Diagnostics;
using System.Text;
namespace XBSlink
{
enum xbs_node_message_type : byte
{
ANNOUNCE = 0x00,
GETNODELIST = 0x01,
ADDNODE = 0x02,
DELNODE = 0x03,
PING = 0x04,
PONG = 0x05,
DATA = 0x06,
ADDMASTERBROWSER = 0x07, //obsolete!
GETCLIENTVERSION = 0x08,
CLIENTVERSION = 0x09,
CHATMSG = 0x0A,
NICKNAME = 0x0B,
GETNICKNAME = 0x0C,
KNOWNNODE = 0x0D,
TO_CLOUDHELPER_HELPWITHNODE = 0x0E,
FROM_CLOUDHELPER_CONTACTNODE = 0x0F,
SERVERHELLO = 0xFF
}
class xbs_node_message
{
public xbs_node receiver;
public xbs_node_message_type type;
public UInt16 data_len = 0;
public byte[] data;
public static xbs_node_message_type getMessageTypeFromUDPPacket(byte[] bytes)
{
return (xbs_node_message_type)bytes[0];
}
public uint getMessageByteArraySize()
{
return (data == null) ? 1 : (uint)(sizeof(xbs_node_message_type) + sizeof(UInt16) + data.Length);
}
public byte[] getByteArray()
{
byte[] ret = new byte[getMessageByteArraySize()];
ret[0] = (byte)type;
if (ret.Length > 1)
{
UInt16 len = (UInt16)data.Length;
byte[] len_arr = BitConverter.GetBytes(len);
Buffer.BlockCopy(len_arr, 0, ret, 1, 2);
Buffer.BlockCopy(data, 0, ret, 3, data.Length);
}
return ret;
}
public static byte[] getUTF8BytesFromString(String str)
{
UTF8Encoding encoder = new UTF8Encoding();
byte[] ret = Encoding.UTF8.GetBytes(str);
return ret;
}
public static String getStringFromUTF8Bytes(byte[] bytes)
{
UTF8Encoding encoder = new UTF8Encoding();
String utf8String = encoder.GetString(bytes);
return utf8String;
}
}
class xbs_node_message_data : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.DATA;
public xbs_node_message_data(IPAddress ip, int port, byte[] data_bytes)
: this (new xbs_node(ip, port), data_bytes)
{
}
public xbs_node_message_data(xbs_node node, byte[] data_bytes)
{
type = ttype;
data = data_bytes;
data_len = (UInt16)data.Length;
receiver = node;
}
}
class xbs_node_message_announce : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.ANNOUNCE;
public xbs_node_message_announce(IPAddress ip, int port)
: this(new xbs_node(ip, port))
{
}
public xbs_node_message_announce(xbs_node node)
{
type = ttype;
data_len = 0;
receiver = node;
}
}
class xbs_node_message_addnode : xbs_node_message
{
public IPAddress ip;
public UInt16 port;
public xbs_node_message_type ttype = xbs_node_message_type.ADDNODE;
public xbs_node_message_addnode( byte[] packet_data )
{
type = ttype;
data_len = 4 + sizeof(UInt16);
byte[] ip_bytes = new byte[4];
Buffer.BlockCopy(packet_data, 0, ip_bytes, 0, 4);
ip = new IPAddress(ip_bytes);
port = BitConverter.ToUInt16(packet_data, 4);
}
public xbs_node_message_addnode( IPAddress ip, UInt16 port)
{
type = ttype;
data_len = 4 + sizeof(UInt16);
data = new byte[data_len];
var ip_array = ip.GetAddressBytes();
var port_array = BitConverter.GetBytes(port);
Buffer.BlockCopy(ip_array, 0, data, 0, 4);
Buffer.BlockCopy(port_array, 0, data, 4, 2);
this.ip = ip;
this.port = port;
}
}
class xbs_node_message_delnode : xbs_node_message_addnode
{
public new xbs_node_message_type ttype = xbs_node_message_type.DELNODE;
public xbs_node_message_delnode(byte[] packet_data)
: base(packet_data)
{
type = xbs_node_message_type.DELNODE;
}
public xbs_node_message_delnode(IPAddress ip, UInt16 port)
: base(ip, port)
{
type = xbs_node_message_type.DELNODE;
}
}
class xbs_node_message_ping : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.PING;
public xbs_node_message_ping(IPAddress ip, int port)
: this (new xbs_node(ip, port))
{
}
public xbs_node_message_ping(xbs_node node)
{
DateTime now = DateTime.Now;
data = BitConverter.GetBytes(now.Ticks);
data_len = (UInt16)data.Length;
type = ttype;
receiver = node;
}
}
class xbs_node_message_pong : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.PONG;
public xbs_node_message_pong(IPAddress ip, int port, byte[] data)
: this (new xbs_node(ip, port), data)
{
}
public xbs_node_message_pong(xbs_node node, byte[] data)
{
this.data = data;
data_len = (UInt16)data.Length;
type = ttype;
data_len = 0;
receiver = node;
}
public static TimeSpan getDelay(byte[] data)
{
long delay;
long now = DateTime.Now.Ticks;
delay = now - BitConverter.ToInt64(data, 0);
return new TimeSpan(delay);
}
}
class xbs_node_message_getclientversion : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.GETCLIENTVERSION;
public xbs_node_message_getclientversion(IPAddress ip, int port)
: this (new xbs_node(ip, port))
{
}
public xbs_node_message_getclientversion(xbs_node node)
{
type = ttype;
data_len = 0;
receiver = node;
}
}
class xbs_node_message_clientversion : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.CLIENTVERSION;
public String version_string = "0.0.0.0";
public xbs_node_message_clientversion(IPAddress ip, int port, String version_string)
: this (new xbs_node(ip, port), version_string)
{
}
public xbs_node_message_clientversion(xbs_node node, String version_string)
{
type = ttype;
data = getVersionStringByteArray(version_string);
data_len = 4;
receiver = node;
}
public xbs_node_message_clientversion(byte[] packet_data)
{
type = ttype;
data_len = 4;
String[] str = new String[4];
if (packet_data.Length == 4)
{
for (int i = 0; i < 4; i++)
str[i] = packet_data[i].ToString();
version_string = String.Join(".", str);
}
}
private byte[] getVersionStringByteArray( String version_string )
{
byte[] ret = new byte[4] { 0,0,0,0 };
string[] sa = version_string.Split('.');
if (sa.Length == 4)
for (int i = 0; i < 4; i++)
ret[i] = Byte.Parse(sa[i]);
return ret;
}
}
class xbs_node_message_string : xbs_node_message
{
public String message_string = "";
public xbs_node_message_string( xbs_node node, String str)
{
this.message_string = str;
data = xbs_node_message.getUTF8BytesFromString(str);
data_len = (UInt16)data.Length;
receiver = node;
}
public xbs_node_message_string(byte[] packet_data)
{
if (packet_data != null)
{
data_len = (UInt16)packet_data.Length;
this.message_string = xbs_node_message.getStringFromUTF8Bytes(packet_data);
}
}
}
class xbs_node_message_chatmsg : xbs_node_message_string
{
public xbs_node_message_type ttype = xbs_node_message_type.CHATMSG;
public xbs_node_message_chatmsg(IPAddress ip, int port, String chat_message)
: this( new xbs_node( ip, port) , chat_message )
{
}
public xbs_node_message_chatmsg(xbs_node node, String chat_message)
: base (node, chat_message)
{
type = ttype;
}
public xbs_node_message_chatmsg(byte[] packet_data) : base(packet_data)
{
type = ttype;
}
public String getChatMessage()
{
return this.message_string;
}
}
class xbs_node_message_nickname: xbs_node_message_string
{
public xbs_node_message_type ttype = xbs_node_message_type.NICKNAME;
public xbs_node_message_nickname(IPAddress ip, int port, String nickname)
: this(new xbs_node(ip, port), nickname)
{
}
public xbs_node_message_nickname(xbs_node node, String nickname)
: base(node, nickname)
{
type = ttype;
}
public xbs_node_message_nickname(byte[] packet_data)
: base(packet_data)
{
type = ttype;
}
public String getNickname()
{
return this.message_string;
}
}
class xbs_node_message_getnickname : xbs_node_message
{
public xbs_node_message_type ttype = xbs_node_message_type.GETNICKNAME;
public xbs_node_message_getnickname(IPAddress ip, int port)
: this(new xbs_node(ip, port))
{
}
public xbs_node_message_getnickname(xbs_node node)
{
type = ttype;
data_len = 0;
receiver = node;
}
}
class xbs_node_message_knownnode : xbs_node_message_addnode
{
public new xbs_node_message_type ttype = xbs_node_message_type.KNOWNNODE;
public xbs_node_message_knownnode(byte[] packet_data)
: base(packet_data)
{
type = ttype;
}
public xbs_node_message_knownnode(IPAddress ip, UInt16 port)
: base(ip, port)
{
type = ttype;
}
}
class xbs_node_message_toCloudHelper_HelpWithNode : xbs_node_message_addnode
{
public new xbs_node_message_type ttype = xbs_node_message_type.TO_CLOUDHELPER_HELPWITHNODE;
public xbs_node_message_toCloudHelper_HelpWithNode(byte[] packet_data)
: base(packet_data)
{
type = ttype;
}
public xbs_node_message_toCloudHelper_HelpWithNode(IPAddress ip, UInt16 port)
: base(ip, port)
{
type = ttype;
}
}
class xbs_node_message_fromCloudHelper_ContactNode : xbs_node_message_addnode
{
public new xbs_node_message_type ttype = xbs_node_message_type.FROM_CLOUDHELPER_CONTACTNODE;
public xbs_node_message_fromCloudHelper_ContactNode(byte[] packet_data)
: base(packet_data)
{
type = ttype;
}
public xbs_node_message_fromCloudHelper_ContactNode(IPAddress ip, UInt16 port)
: base(ip, port)
{
type = ttype;
}
}
}