diff options
Diffstat (limited to 'doc/classes/UDPServer.xml')
| -rw-r--r-- | doc/classes/UDPServer.xml | 120 |
1 files changed, 93 insertions, 27 deletions
diff --git a/doc/classes/UDPServer.xml b/doc/classes/UDPServer.xml index aabfed85f0..eb6d42fb0f 100644 --- a/doc/classes/UDPServer.xml +++ b/doc/classes/UDPServer.xml @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="UTF-8" ?> -<class name="UDPServer" inherits="Reference" version="4.0"> +<class name="UDPServer" inherits="RefCounted" version="4.0"> <brief_description> Helper class to implement a UDP server. </brief_description> @@ -7,8 +7,9 @@ A simple server that opens a UDP socket and returns connected [PacketPeerUDP] upon receiving new packets. See also [method PacketPeerUDP.connect_to_host]. After starting the server ([method listen]), you will need to [method poll] it at regular intervals (e.g. inside [method Node._process]) for it to process new packets, delivering them to the appropriate [PacketPeerUDP], and taking new connections. Below a small example of how it can be used: - [codeblock] - # server.gd + [codeblocks] + [gdscript] + class_name Server extends Node var server := UDPServer.new() @@ -21,20 +22,57 @@ server.poll() # Important! if server.is_connection_available(): var peer : PacketPeerUDP = server.take_connection() - var pkt = peer.get_packet() + var packet = peer.get_packet() print("Accepted peer: %s:%s" % [peer.get_packet_ip(), peer.get_packet_port()]) - print("Received data: %s" % [pkt.get_string_from_utf8()]) + print("Received data: %s" % [packet.get_string_from_utf8()]) # Reply so it knows we received the message. - peer.put_packet(pkt) + peer.put_packet(packet) # Keep a reference so we can keep contacting the remote peer. peers.append(peer) for i in range(0, peers.size()): pass # Do something with the connected peers. + [/gdscript] + [csharp] + using Godot; + using System; + using System.Collections.Generic; - [/codeblock] - [codeblock] - # client.gd + public class Server : Node + { + public UDPServer Server = new UDPServer(); + public List<PacketPeerUDP> Peers = new List<PacketPeerUDP>(); + + public override void _Ready() + { + Server.Listen(4242); + } + + public override void _Process(float delta) + { + Server.Poll(); // Important! + if (Server.IsConnectionAvailable()) + { + PacketPeerUDP peer = Server.TakeConnection(); + byte[] packet = peer.GetPacket(); + GD.Print($"Accepted Peer: {peer.GetPacketIp()}:{peer.GetPacketPort()}"); + GD.Print($"Received Data: {packet.GetStringFromUTF8()}"); + // Reply so it knows we received the message. + peer.PutPacket(packet); + // Keep a reference so we can keep contacting the remote peer. + Peers.Add(peer); + } + foreach (var peer in Peers) + { + // Do something with the peers. + } + } + } + [/csharp] + [/codeblocks] + [codeblocks] + [gdscript] + class_name Client extends Node var udp := PacketPeerUDP.new() @@ -50,53 +88,81 @@ if udp.get_available_packet_count() > 0: print("Connected: %s" % udp.get_packet().get_string_from_utf8()) connected = true - [/codeblock] + [/gdscript] + [csharp] + using Godot; + using System; + + public class Client : Node + { + public PacketPeerUDP Udp = new PacketPeerUDP(); + public bool Connected = false; + + public override void _Ready() + { + Udp.ConnectToHost("127.0.0.1", 4242); + } + + public override void _Process(float delta) + { + if (!Connected) + { + // Try to contact server + Udp.PutPacket("The Answer Is..42!".ToUTF8()); + } + if (Udp.GetAvailablePacketCount() > 0) + { + GD.Print($"Connected: {Udp.GetPacket().GetStringFromUTF8()}"); + Connected = true; + } + } + } + [/csharp] + [/codeblocks] </description> <tutorials> </tutorials> <methods> + <method name="get_local_port" qualifiers="const"> + <return type="int" /> + <description> + Returns the local port this server is listening to. + </description> + </method> <method name="is_connection_available" qualifiers="const"> - <return type="bool"> - </return> + <return type="bool" /> <description> Returns [code]true[/code] if a packet with a new address/port combination was received on the socket. </description> </method> <method name="is_listening" qualifiers="const"> - <return type="bool"> - </return> + <return type="bool" /> <description> Returns [code]true[/code] if the socket is open and listening on a port. </description> </method> <method name="listen"> - <return type="int" enum="Error"> - </return> - <argument index="0" name="port" type="int"> - </argument> - <argument index="1" name="bind_address" type="String" default=""*""> - </argument> + <return type="int" enum="Error" /> + <argument index="0" name="port" type="int" /> + <argument index="1" name="bind_address" type="String" default=""*"" /> <description> - Starts the server by opening a UDP socket listening on the given port. You can optionally specify a [code]bind_address[/code] to only listen for packets sent to that address. See also [method PacketPeerUDP.listen]. + Starts the server by opening a UDP socket listening on the given port. You can optionally specify a [code]bind_address[/code] to only listen for packets sent to that address. See also [method PacketPeerUDP.bind]. </description> </method> <method name="poll"> - <return type="int" enum="Error"> - </return> + <return type="int" enum="Error" /> <description> Call this method at regular intervals (e.g. inside [method Node._process]) to process new packets. And packet from known address/port pair will be delivered to the appropriate [PacketPeerUDP], any packet received from an unknown address/port pair will be added as a pending connection (see [method is_connection_available], [method take_connection]). The maximum number of pending connection is defined via [member max_pending_connections]. </description> </method> <method name="stop"> - <return type="void"> - </return> + <return type="void" /> <description> Stops the server, closing the UDP socket if open. Will close all connected [PacketPeerUDP] accepted via [method take_connection] (remote peers will not be notified). </description> </method> <method name="take_connection"> - <return type="PacketPeerUDP"> - </return> + <return type="PacketPeerUDP" /> <description> Returns the first pending connection (connected to the appropriate address/port). Will return [code]null[/code] if no new connection is available. See also [method is_connection_available], [method PacketPeerUDP.connect_to_host]. </description> |