/// <summary>
/// Binds a UDP port
/// </summary>
/// <param name="name">The UDP port</param>
/// <returns>The node</returns>
public static unsafe Node Open(string name)
{
int port = int.Parse(name);
if (port == -1)
{
return(null);
}
UDPSocket sock = new UDPSocket();
bool found = sock.Bind((ushort)port);
if (!found)
{
return(null);
}
Node node = new Node();
node.Flags = NodeFlags.FILE;
node.Read = readImpl;
node.Write = writeImpl;
node.GetSize = getSizeImpl;
node.Close = closeImpl;
UDPSocketCookie cookie = new UDPSocketCookie(sock);
node.Cookie = cookie;
return(node);
}
/// <summary>
/// Opens a UDP client socket
/// </summary>
/// <param name="name">The name (IP:PORT)</param>
/// <returns>The node</returns>
public static unsafe Node Open(string name)
{
int foundIndex = name.IndexOf(':');
if (foundIndex == -1)
{
return(null);
}
string ip = name.Substring(0, foundIndex);
string portText = name.Substring(foundIndex + 1, name.Length - foundIndex - 1);
int port = int.Parse(portText);
if (port == -1)
{
Heap.Free(portText);
Heap.Free(ip);
return(null);
}
UDPSocket sock = new UDPSocket();
bool found = sock.Connect(ip, (ushort)port);
if (!found)
{
Heap.Free(portText);
Heap.Free(ip);
return(null);
}
Node node = new Node();
node.Flags = NodeFlags.FILE;
node.Read = readImpl;
node.Write = writeImpl;
node.GetSize = getSizeImpl;
node.Close = closeImpl;
UDPSocketCookie cookie = new UDPSocketCookie(sock);
node.Cookie = cookie;
Heap.Free(portText);
Heap.Free(ip);
return(node);
}
/// <summary>
/// Gets the UDP socket from a node
/// </summary>
/// <param name="node">The node</param>
/// <returns>The socket</returns>
private static unsafe UDPSocket getSocketFromNode(Node node)
{
UDPSocketCookie cookie = (UDPSocketCookie)node.Cookie;
return(cookie.Socket);
}
