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Document updated UDPServer interface.

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(cherry picked from commit 839c7b1ba3)
This commit is contained in:
Fabio Alessandrelli 2020-07-13 15:45:08 +02:00 committed by Rémi Verschelde
parent 468a1c0271
commit 91b2d020a8
1 changed files with 17 additions and 3 deletions
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20
doc/classes/UDPServer.xml
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@ -5,6 +5,7 @@
</brief_description>
<description>
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
@ -17,6 +18,7 @@
server.listen(4242)
func _process(delta):
server.poll() # Important!
if server.is_connection_available():
var peer : PacketPeerUDP = server.take_connection()
var pkt = peer.get_packet()
@ -57,7 +59,7 @@
<return type="bool">
</return>
<description>
Returns [code]true[/code] if a packet with a new address/port combination is received on the socket.
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">
@ -78,21 +80,33 @@
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].
</description>
</method>
<method name="poll">
<return type="int" enum="Error">
</return>
<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>
<description>
Stops the server, closing the UDP socket if open. Will not disconnect any connected [PacketPeerUDP].
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>
<description>
Returns a [PacketPeerUDP] connected to the address/port combination of the first packet in queue. Will return [code]null[/code] if no packet is in queue. See also [method PacketPeerUDP.connect_to_host].
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>
</method>
</methods>
<members>
<member name="max_pending_connections" type="int" setter="set_max_pending_connections" getter="get_max_pending_connections" default="16">
Define the maximum number of pending connections, during [method poll], any new pending connection exceeding that value will be automatically dropped. Setting this value to [code]0[/code] effectively prevents any new pending connection to be accepted (e.g. when all your players have connected).
</member>
</members>
<constants>
</constants>
</class>