/// <summary>
		/// <para> receiving data</para>
		/// <para> returns false if there is no data remaining</para>
		/// <para> fills out *pcubMsgSize with the size of the next message, in bytes</para>
		/// </summary>
		public static bool IsDataAvailableOnSocket(SNetSocket_t hSocket, out uint pcubMsgSize) {
			InteropHelp.TestIfAvailableClient();
			return NativeMethods.ISteamNetworking_IsDataAvailableOnSocket(hSocket, out pcubMsgSize);
		}

		public static extern int ISteamGameServerNetworking_GetMaxPacketSize(SNetSocket_t hSocket);

 public static bool RetrieveDataFromSocket(SNetSocket_t hSocket, IntPtr pubDest, uint cubDest, out uint pcubMsgSize)
 {
     InteropHelp.TestIfAvailableGameServer();
     return NativeMethods.ISteamGameServerNetworking_RetrieveDataFromSocket(hSocket, pubDest, cubDest, out pcubMsgSize);
 }

		/// <summary>
		/// <para> returns true to describe how the socket ended up connecting</para>
		/// </summary>
		public static ESNetSocketConnectionType GetSocketConnectionType(SNetSocket_t hSocket) {
			InteropHelp.TestIfAvailableGameServer();
			return NativeMethods.ISteamGameServerNetworking_GetSocketConnectionType(hSocket);
		}

		// retrieves data from any socket that has been connected off this listen socket
		// fills in pubDest with the contents of the message
		// messages are always complete, of the same size as was sent (i.e. packetized, not streaming)
		// if *pcubMsgSize < cubDest, only partial data is written
		// returns false if no data is available
		// fills out *phSocket with the socket that data is available on
		public static bool RetrieveData(SNetListenSocket_t hListenSocket, IntPtr pubDest, uint cubDest, out uint pcubMsgSize, out SNetSocket_t phSocket) {
			InteropHelp.TestIfAvailableClient();
			return NativeMethods.ISteamNetworking_RetrieveData(hListenSocket, pubDest, cubDest, out pcubMsgSize, out phSocket);
		}

		/// <summary>
		/// <para> sending data</para>
		/// <para> must be a handle to a connected socket</para>
		/// <para> data is all sent via UDP, and thus send sizes are limited to 1200 bytes; after this, many routers will start dropping packets</para>
		/// <para> use the reliable flag with caution; although the resend rate is pretty aggressive,</para>
		/// <para> it can still cause stalls in receiving data (like TCP)</para>
		/// </summary>
		public static bool SendDataOnSocket(SNetSocket_t hSocket, byte[] pubData, uint cubData, bool bReliable) {
			InteropHelp.TestIfAvailableGameServer();
			return NativeMethods.ISteamGameServerNetworking_SendDataOnSocket(hSocket, pubData, cubData, bReliable);
		}

		/// <summary>
		/// <para> retrieves data from any socket that has been connected off this listen socket</para>
		/// <para> fills in pubDest with the contents of the message</para>
		/// <para> messages are always complete, of the same size as was sent (i.e. packetized, not streaming)</para>
		/// <para> if *pcubMsgSize &lt; cubDest, only partial data is written</para>
		/// <para> returns false if no data is available</para>
		/// <para> fills out *phSocket with the socket that data is available on</para>
		/// </summary>
		public static bool RetrieveData(SNetListenSocket_t hListenSocket, byte[] pubDest, uint cubDest, out uint pcubMsgSize, out SNetSocket_t phSocket) {
			InteropHelp.TestIfAvailableGameServer();
			return NativeMethods.ISteamGameServerNetworking_RetrieveData(hListenSocket, pubDest, cubDest, out pcubMsgSize, out phSocket);
		}

		public static extern bool ISteamGameServerNetworking_IsDataAvailableOnSocket(SNetSocket_t hSocket, out uint pcubMsgSize);

		public static extern bool ISteamGameServerNetworking_RetrieveDataFromSocket(SNetSocket_t hSocket, [In, Out] byte[] pubDest, uint cubDest, out uint pcubMsgSize);

		public static extern bool ISteamGameServerNetworking_DestroySocket(SNetSocket_t hSocket, [MarshalAs(UnmanagedType.I1)] bool bNotifyRemoteEnd);

		public static extern bool ISteamGameServerNetworking_SendDataOnSocket(SNetSocket_t hSocket, [In, Out] byte[] pubData, uint cubData, [MarshalAs(UnmanagedType.I1)] bool bReliable);

		public static extern bool ISteamNetworking_RetrieveData(SNetListenSocket_t hListenSocket, IntPtr pubDest, uint cubDest, out uint pcubMsgSize, out SNetSocket_t phSocket);

		public static extern bool ISteamNetworking_RetrieveDataFromSocket(SNetSocket_t hSocket, IntPtr pubDest, uint cubDest, out uint pcubMsgSize);

		public static extern bool ISteamNetworking_SendDataOnSocket(SNetSocket_t hSocket, IntPtr pubData, uint cubData, [MarshalAs(UnmanagedType.I1)] bool bReliable);

		/// <summary>
		/// <para> fills in pubDest with the contents of the message</para>
		/// <para> messages are always complete, of the same size as was sent (i.e. packetized, not streaming)</para>
		/// <para> if *pcubMsgSize &lt; cubDest, only partial data is written</para>
		/// <para> returns false if no data is available</para>
		/// </summary>
		public static bool RetrieveDataFromSocket(SNetSocket_t hSocket, byte[] pubDest, uint cubDest, out uint pcubMsgSize) {
			InteropHelp.TestIfAvailableClient();
			return NativeMethods.ISteamNetworking_RetrieveDataFromSocket(hSocket, pubDest, cubDest, out pcubMsgSize);
		}

		public static extern bool ISteamGameServerNetworking_IsDataAvailable(SNetListenSocket_t hListenSocket, out uint pcubMsgSize, out SNetSocket_t phSocket);

		/// <summary>
		/// <para> disconnects the connection to the socket, if any, and invalidates the handle</para>
		/// <para> any unread data on the socket will be thrown away</para>
		/// <para> if bNotifyRemoteEnd is set, socket will not be completely destroyed until the remote end acknowledges the disconnect</para>
		/// </summary>
		public static bool DestroySocket(SNetSocket_t hSocket, bool bNotifyRemoteEnd) {
			InteropHelp.TestIfAvailableGameServer();
			return NativeMethods.ISteamGameServerNetworking_DestroySocket(hSocket, bNotifyRemoteEnd);
		}

		public static extern bool ISteamGameServerNetworking_RetrieveData(SNetListenSocket_t hListenSocket, [In, Out] byte[] pubDest, uint cubDest, out uint pcubMsgSize, out SNetSocket_t phSocket);

		/// <summary>
		/// <para> checks for data from any socket that has been connected off this listen socket</para>
		/// <para> returns false if there is no data remaining</para>
		/// <para> fills out *pcubMsgSize with the size of the next message, in bytes</para>
		/// <para> fills out *phSocket with the socket that data is available on</para>
		/// </summary>
		public static bool IsDataAvailable(SNetListenSocket_t hListenSocket, out uint pcubMsgSize, out SNetSocket_t phSocket) {
			InteropHelp.TestIfAvailableGameServer();
			return NativeMethods.ISteamGameServerNetworking_IsDataAvailable(hListenSocket, out pcubMsgSize, out phSocket);
		}

		public static extern bool ISteamGameServerNetworking_GetSocketInfo(SNetSocket_t hSocket, out CSteamID pSteamIDRemote, out int peSocketStatus, out uint punIPRemote, out ushort punPortRemote);