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208
modules/enet/doc_classes/ENetConnection.xml Normal file
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<?xml version="1.0" encoding="UTF-8" ?>
<class name="ENetConnection" inherits="RefCounted" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
<brief_description>
A wrapper class for an [url=http://enet.bespin.org/group__host.html]ENetHost[/url].
</brief_description>
<description>
ENet's purpose is to provide a relatively thin, simple and robust network communication layer on top of UDP (User Datagram Protocol).
</description>
<tutorials>
<link title="API documentation on the ENet website">http://enet.bespin.org/usergroup0.html</link>
</tutorials>
<methods>
<method name="bandwidth_limit">
<return type="void" />
<param index="0" name="in_bandwidth" type="int" default="0" />
<param index="1" name="out_bandwidth" type="int" default="0" />
<description>
Adjusts the bandwidth limits of a host.
</description>
</method>
<method name="broadcast">
<return type="void" />
<param index="0" name="channel" type="int" />
<param index="1" name="packet" type="PackedByteArray" />
<param index="2" name="flags" type="int" />
<description>
Queues a [param packet] to be sent to all peers associated with the host over the specified [param channel]. See [ENetPacketPeer] [code]FLAG_*[/code] constants for available packet flags.
</description>
</method>
<method name="channel_limit">
<return type="void" />
<param index="0" name="limit" type="int" />
<description>
Limits the maximum allowed channels of future incoming connections.
</description>
</method>
<method name="compress">
<return type="void" />
<param index="0" name="mode" type="int" enum="ENetConnection.CompressionMode" />
<description>
Sets the compression method used for network packets. These have different tradeoffs of compression speed versus bandwidth, you may need to test which one works best for your use case if you use compression at all.
[b]Note:[/b] Most games' network design involve sending many small packets frequently (smaller than 4 KB each). If in doubt, it is recommended to keep the default compression algorithm as it works best on these small packets.
[b]Note:[/b] The compression mode must be set to the same value on both the server and all its clients. Clients will fail to connect if the compression mode set on the client differs from the one set on the server.
</description>
</method>
<method name="connect_to_host">
<return type="ENetPacketPeer" />
<param index="0" name="address" type="String" />
<param index="1" name="port" type="int" />
<param index="2" name="channels" type="int" default="0" />
<param index="3" name="data" type="int" default="0" />
<description>
Initiates a connection to a foreign [param address] using the specified [param port] and allocating the requested [param channels]. Optional [param data] can be passed during connection in the form of a 32 bit integer.
[b]Note:[/b] You must call either [method create_host] or [method create_host_bound] on both ends before calling this method.
</description>
</method>
<method name="create_host">
<return type="int" enum="Error" />
<param index="0" name="max_peers" type="int" default="32" />
<param index="1" name="max_channels" type="int" default="0" />
<param index="2" name="in_bandwidth" type="int" default="0" />
<param index="3" name="out_bandwidth" type="int" default="0" />
<description>
Creates an ENetHost that allows up to [param max_peers] connected peers, each allocating up to [param max_channels] channels, optionally limiting bandwidth to [param in_bandwidth] and [param out_bandwidth] (if greater than zero).
This method binds a random available dynamic UDP port on the host machine at the [i]unspecified[/i] address. Use [method create_host_bound] to specify the address and port.
[b]Note:[/b] It is necessary to create a host in both client and server in order to establish a connection.
</description>
</method>
<method name="create_host_bound">
<return type="int" enum="Error" />
<param index="0" name="bind_address" type="String" />
<param index="1" name="bind_port" type="int" />
<param index="2" name="max_peers" type="int" default="32" />
<param index="3" name="max_channels" type="int" default="0" />
<param index="4" name="in_bandwidth" type="int" default="0" />
<param index="5" name="out_bandwidth" type="int" default="0" />
<description>
Creates an ENetHost bound to the given [param bind_address] and [param bind_port] that allows up to [param max_peers] connected peers, each allocating up to [param max_channels] channels, optionally limiting bandwidth to [param in_bandwidth] and [param out_bandwidth] (if greater than zero).
[b]Note:[/b] It is necessary to create a host in both client and server in order to establish a connection.
</description>
</method>
<method name="destroy">
<return type="void" />
<description>
Destroys the host and all resources associated with it.
</description>
</method>
<method name="dtls_client_setup">
<return type="int" enum="Error" />
<param index="0" name="hostname" type="String" />
<param index="1" name="client_options" type="TLSOptions" default="null" />
<description>
Configure this ENetHost to use the custom Godot extension allowing DTLS encryption for ENet clients. Call this before [method connect_to_host] to have ENet connect using DTLS validating the server certificate against [param hostname]. You can pass the optional [param client_options] parameter to customize the trusted certification authorities, or disable the common name verification. See [method TLSOptions.client] and [method TLSOptions.client_unsafe].
</description>
</method>
<method name="dtls_server_setup">
<return type="int" enum="Error" />
<param index="0" name="server_options" type="TLSOptions" />
<description>
Configure this ENetHost to use the custom Godot extension allowing DTLS encryption for ENet servers. Call this right after [method create_host_bound] to have ENet expect peers to connect using DTLS. See [method TLSOptions.server].
</description>
</method>
<method name="flush">
<return type="void" />
<description>
Sends any queued packets on the host specified to its designated peers.
</description>
</method>
<method name="get_local_port" qualifiers="const">
<return type="int" />
<description>
Returns the local port to which this peer is bound.
</description>
</method>
<method name="get_max_channels" qualifiers="const">
<return type="int" />
<description>
Returns the maximum number of channels allowed for connected peers.
</description>
</method>
<method name="get_peers">
<return type="ENetPacketPeer[]" />
<description>
Returns the list of peers associated with this host.
[b]Note:[/b] This list might include some peers that are not fully connected or are still being disconnected.
</description>
</method>
<method name="pop_statistic">
<return type="float" />
<param index="0" name="statistic" type="int" enum="ENetConnection.HostStatistic" />
<description>
Returns and resets host statistics.
</description>
</method>
<method name="refuse_new_connections">
<return type="void" />
<param index="0" name="refuse" type="bool" />
<description>
Configures the DTLS server to automatically drop new connections.
[b]Note:[/b] This method is only relevant after calling [method dtls_server_setup].
</description>
</method>
<method name="service">
<return type="Array" />
<param index="0" name="timeout" type="int" default="0" />
<description>
Waits for events on this connection and shuttles packets between the host and its peers, with the given [param timeout] (in milliseconds). The returned [Array] will have 4 elements. An [enum EventType], the [ENetPacketPeer] which generated the event, the event associated data (if any), the event associated channel (if any). If the generated event is [constant EVENT_RECEIVE], the received packet will be queued to the associated [ENetPacketPeer].
Call this function regularly to handle connections, disconnections, and to receive new packets.
[b]Note:[/b] This method must be called on both ends involved in the event (sending and receiving hosts).
</description>
</method>
<method name="socket_send">
<return type="void" />
<param index="0" name="destination_address" type="String" />
<param index="1" name="destination_port" type="int" />
<param index="2" name="packet" type="PackedByteArray" />
<description>
Sends a [param packet] toward a destination from the address and port currently bound by this ENetConnection instance.
This is useful as it serves to establish entries in NAT routing tables on all devices between this bound instance and the public facing internet, allowing a prospective client's connection packets to be routed backward through the NAT device(s) between the public internet and this host.
This requires forward knowledge of a prospective client's address and communication port as seen by the public internet - after any NAT devices have handled their connection request. This information can be obtained by a [url=https://en.wikipedia.org/wiki/STUN]STUN[/url] service, and must be handed off to your host by an entity that is not the prospective client. This will never work for a client behind a Symmetric NAT due to the nature of the Symmetric NAT routing algorithm, as their IP and Port cannot be known beforehand.
</description>
</method>
</methods>
<constants>
<constant name="COMPRESS_NONE" value="0" enum="CompressionMode">
No compression. This uses the most bandwidth, but has the upside of requiring the fewest CPU resources. This option may also be used to make network debugging using tools like Wireshark easier.
</constant>
<constant name="COMPRESS_RANGE_CODER" value="1" enum="CompressionMode">
ENet's built-in range encoding. Works well on small packets, but is not the most efficient algorithm on packets larger than 4 KB.
</constant>
<constant name="COMPRESS_FASTLZ" value="2" enum="CompressionMode">
[url=https://fastlz.org/]FastLZ[/url] compression. This option uses less CPU resources compared to [constant COMPRESS_ZLIB], at the expense of using more bandwidth.
</constant>
<constant name="COMPRESS_ZLIB" value="3" enum="CompressionMode">
[url=https://www.zlib.net/]Zlib[/url] compression. This option uses less bandwidth compared to [constant COMPRESS_FASTLZ], at the expense of using more CPU resources.
</constant>
<constant name="COMPRESS_ZSTD" value="4" enum="CompressionMode">
[url=https://facebook.github.io/zstd/]Zstandard[/url] compression. Note that this algorithm is not very efficient on packets smaller than 4 KB. Therefore, it's recommended to use other compression algorithms in most cases.
</constant>
<constant name="EVENT_ERROR" value="-1" enum="EventType">
An error occurred during [method service]. You will likely need to [method destroy] the host and recreate it.
</constant>
<constant name="EVENT_NONE" value="0" enum="EventType">
No event occurred within the specified time limit.
</constant>
<constant name="EVENT_CONNECT" value="1" enum="EventType">
A connection request initiated by enet_host_connect has completed. The array will contain the peer which successfully connected.
</constant>
<constant name="EVENT_DISCONNECT" value="2" enum="EventType">
A peer has disconnected. This event is generated on a successful completion of a disconnect initiated by [method ENetPacketPeer.peer_disconnect], if a peer has timed out, or if a connection request initialized by [method connect_to_host] has timed out. The array will contain the peer which disconnected. The data field contains user supplied data describing the disconnection, or 0, if none is available.
</constant>
<constant name="EVENT_RECEIVE" value="3" enum="EventType">
A packet has been received from a peer. The array will contain the peer which sent the packet and the channel number upon which the packet was received. The received packet will be queued to the associated [ENetPacketPeer].
</constant>
<constant name="HOST_TOTAL_SENT_DATA" value="0" enum="HostStatistic">
Total data sent.
</constant>
<constant name="HOST_TOTAL_SENT_PACKETS" value="1" enum="HostStatistic">
Total UDP packets sent.
</constant>
<constant name="HOST_TOTAL_RECEIVED_DATA" value="2" enum="HostStatistic">
Total data received.
</constant>
<constant name="HOST_TOTAL_RECEIVED_PACKETS" value="3" enum="HostStatistic">
Total UDP packets received.
</constant>
</constants>
</class>

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modules/enet/doc_classes/ENetMultiplayerPeer.xml Normal file
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<?xml version="1.0" encoding="UTF-8" ?>
<class name="ENetMultiplayerPeer" inherits="MultiplayerPeer" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
<brief_description>
A MultiplayerPeer implementation using the [url=http://enet.bespin.org/index.html]ENet[/url] library.
</brief_description>
<description>
A MultiplayerPeer implementation that should be passed to [member MultiplayerAPI.multiplayer_peer] after being initialized as either a client, server, or mesh. Events can then be handled by connecting to [MultiplayerAPI] signals. See [ENetConnection] for more information on the ENet library wrapper.
[b]Note:[/b] ENet only uses UDP, not TCP. When forwarding the server port to make your server accessible on the public Internet, you only need to forward the server port in UDP. You can use the [UPNP] class to try to forward the server port automatically when starting the server.
</description>
<tutorials>
<link title="High-level multiplayer">$DOCS_URL/tutorials/networking/high_level_multiplayer.html</link>
<link title="API documentation on the ENet website">http://enet.bespin.org/usergroup0.html</link>
</tutorials>
<methods>
<method name="add_mesh_peer">
<return type="int" enum="Error" />
<param index="0" name="peer_id" type="int" />
<param index="1" name="host" type="ENetConnection" />
<description>
Add a new remote peer with the given [param peer_id] connected to the given [param host].
[b]Note:[/b] The [param host] must have exactly one peer in the [constant ENetPacketPeer.STATE_CONNECTED] state.
</description>
</method>
<method name="create_client">
<return type="int" enum="Error" />
<param index="0" name="address" type="String" />
<param index="1" name="port" type="int" />
<param index="2" name="channel_count" type="int" default="0" />
<param index="3" name="in_bandwidth" type="int" default="0" />
<param index="4" name="out_bandwidth" type="int" default="0" />
<param index="5" name="local_port" type="int" default="0" />
<description>
Create client that connects to a server at [param address] using specified [param port]. The given address needs to be either a fully qualified domain name (e.g. [code]"www.example.com"[/code]) or an IP address in IPv4 or IPv6 format (e.g. [code]"192.168.1.1"[/code]). The [param port] is the port the server is listening on. The [param channel_count] parameter can be used to specify the number of ENet channels allocated for the connection. The [param in_bandwidth] and [param out_bandwidth] parameters can be used to limit the incoming and outgoing bandwidth to the given number of bytes per second. The default of 0 means unlimited bandwidth. Note that ENet will strategically drop packets on specific sides of a connection between peers to ensure the peer's bandwidth is not overwhelmed. The bandwidth parameters also determine the window size of a connection which limits the amount of reliable packets that may be in transit at any given time. Returns [constant OK] if a client was created, [constant ERR_ALREADY_IN_USE] if this ENetMultiplayerPeer instance already has an open connection (in which case you need to call [method MultiplayerPeer.close] first) or [constant ERR_CANT_CREATE] if the client could not be created. If [param local_port] is specified, the client will also listen to the given port; this is useful for some NAT traversal techniques.
</description>
</method>
<method name="create_mesh">
<return type="int" enum="Error" />
<param index="0" name="unique_id" type="int" />
<description>
Initialize this [MultiplayerPeer] in mesh mode. The provided [param unique_id] will be used as the local peer network unique ID once assigned as the [member MultiplayerAPI.multiplayer_peer]. In the mesh configuration you will need to set up each new peer manually using [ENetConnection] before calling [method add_mesh_peer]. While this technique is more advanced, it allows for better control over the connection process (e.g. when dealing with NAT punch-through) and for better distribution of the network load (which would otherwise be more taxing on the server).
</description>
</method>
<method name="create_server">
<return type="int" enum="Error" />
<param index="0" name="port" type="int" />
<param index="1" name="max_clients" type="int" default="32" />
<param index="2" name="max_channels" type="int" default="0" />
<param index="3" name="in_bandwidth" type="int" default="0" />
<param index="4" name="out_bandwidth" type="int" default="0" />
<description>
Create server that listens to connections via [param port]. The port needs to be an available, unused port between 0 and 65535. Note that ports below 1024 are privileged and may require elevated permissions depending on the platform. To change the interface the server listens on, use [method set_bind_ip]. The default IP is the wildcard [code]"*"[/code], which listens on all available interfaces. [param max_clients] is the maximum number of clients that are allowed at once, any number up to 4095 may be used, although the achievable number of simultaneous clients may be far lower and depends on the application. For additional details on the bandwidth parameters, see [method create_client]. Returns [constant OK] if a server was created, [constant ERR_ALREADY_IN_USE] if this ENetMultiplayerPeer instance already has an open connection (in which case you need to call [method MultiplayerPeer.close] first) or [constant ERR_CANT_CREATE] if the server could not be created.
</description>
</method>
<method name="get_peer" qualifiers="const">
<return type="ENetPacketPeer" />
<param index="0" name="id" type="int" />
<description>
Returns the [ENetPacketPeer] associated to the given [param id].
</description>
</method>
<method name="set_bind_ip">
<return type="void" />
<param index="0" name="ip" type="String" />
<description>
The IP used when creating a server. This is set to the wildcard [code]"*"[/code] by default, which binds to all available interfaces. The given IP needs to be in IPv4 or IPv6 address format, for example: [code]"192.168.1.1"[/code].
</description>
</method>
</methods>
<members>
<member name="host" type="ENetConnection" setter="" getter="get_host">
The underlying [ENetConnection] created after [method create_client] and [method create_server].
</member>
</members>
</class>

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modules/enet/doc_classes/ENetPacketPeer.xml Normal file
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<?xml version="1.0" encoding="UTF-8" ?>
<class name="ENetPacketPeer" inherits="PacketPeer" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
<brief_description>
A wrapper class for an [url=http://enet.bespin.org/group__peer.html]ENetPeer[/url].
</brief_description>
<description>
A PacketPeer implementation representing a peer of an [ENetConnection].
This class cannot be instantiated directly but can be retrieved during [method ENetConnection.service] or via [method ENetConnection.get_peers].
[b]Note:[/b] When exporting to Android, make sure to enable the [code]INTERNET[/code] permission in the Android export preset before exporting the project or using one-click deploy. Otherwise, network communication of any kind will be blocked by Android.
</description>
<tutorials>
<link title="API documentation on the ENet website">http://enet.bespin.org/usergroup0.html</link>
</tutorials>
<methods>
<method name="get_channels" qualifiers="const">
<return type="int" />
<description>
Returns the number of channels allocated for communication with peer.
</description>
</method>
<method name="get_packet_flags" qualifiers="const">
<return type="int" />
<description>
Returns the ENet flags of the next packet in the received queue. See [code]FLAG_*[/code] constants for available packet flags. Note that not all flags are replicated from the sending peer to the receiving peer.
</description>
</method>
<method name="get_remote_address" qualifiers="const">
<return type="String" />
<description>
Returns the IP address of this peer.
</description>
</method>
<method name="get_remote_port" qualifiers="const">
<return type="int" />
<description>
Returns the remote port of this peer.
</description>
</method>
<method name="get_state" qualifiers="const">
<return type="int" enum="ENetPacketPeer.PeerState" />
<description>
Returns the current peer state.
</description>
</method>
<method name="get_statistic">
<return type="float" />
<param index="0" name="statistic" type="int" enum="ENetPacketPeer.PeerStatistic" />
<description>
Returns the requested [param statistic] for this peer.
</description>
</method>
<method name="is_active" qualifiers="const">
<return type="bool" />
<description>
Returns [code]true[/code] if the peer is currently active (i.e. the associated [ENetConnection] is still valid).
</description>
</method>
<method name="peer_disconnect">
<return type="void" />
<param index="0" name="data" type="int" default="0" />
<description>
Request a disconnection from a peer. An [constant ENetConnection.EVENT_DISCONNECT] will be generated during [method ENetConnection.service] once the disconnection is complete.
</description>
</method>
<method name="peer_disconnect_later">
<return type="void" />
<param index="0" name="data" type="int" default="0" />
<description>
Request a disconnection from a peer, but only after all queued outgoing packets are sent. An [constant ENetConnection.EVENT_DISCONNECT] will be generated during [method ENetConnection.service] once the disconnection is complete.
</description>
</method>
<method name="peer_disconnect_now">
<return type="void" />
<param index="0" name="data" type="int" default="0" />
<description>
Force an immediate disconnection from a peer. No [constant ENetConnection.EVENT_DISCONNECT] will be generated. The foreign peer is not guaranteed to receive the disconnect notification, and is reset immediately upon return from this function.
</description>
</method>
<method name="ping">
<return type="void" />
<description>
Sends a ping request to a peer. ENet automatically pings all connected peers at regular intervals, however, this function may be called to ensure more frequent ping requests.
</description>
</method>
<method name="ping_interval">
<return type="void" />
<param index="0" name="ping_interval" type="int" />
<description>
Sets the [param ping_interval] in milliseconds at which pings will be sent to a peer. Pings are used both to monitor the liveness of the connection and also to dynamically adjust the throttle during periods of low traffic so that the throttle has reasonable responsiveness during traffic spikes. The default ping interval is [code]500[/code] milliseconds.
</description>
</method>
<method name="reset">
<return type="void" />
<description>
Forcefully disconnects a peer. The foreign host represented by the peer is not notified of the disconnection and will timeout on its connection to the local host.
</description>
</method>
<method name="send">
<return type="int" enum="Error" />
<param index="0" name="channel" type="int" />
<param index="1" name="packet" type="PackedByteArray" />
<param index="2" name="flags" type="int" />
<description>
Queues a [param packet] to be sent over the specified [param channel]. See [code]FLAG_*[/code] constants for available packet flags.
</description>
</method>
<method name="set_timeout">
<return type="void" />
<param index="0" name="timeout" type="int" />
<param index="1" name="timeout_min" type="int" />
<param index="2" name="timeout_max" type="int" />
<description>
Sets the timeout parameters for a peer. The timeout parameters control how and when a peer will timeout from a failure to acknowledge reliable traffic. Timeout values are expressed in milliseconds.
The [param timeout] is a factor that, multiplied by a value based on the average round trip time, will determine the timeout limit for a reliable packet. When that limit is reached, the timeout will be doubled, and the peer will be disconnected if that limit has reached [param timeout_min]. The [param timeout_max] parameter, on the other hand, defines a fixed timeout for which any packet must be acknowledged or the peer will be dropped.
</description>
</method>
<method name="throttle_configure">
<return type="void" />
<param index="0" name="interval" type="int" />
<param index="1" name="acceleration" type="int" />
<param index="2" name="deceleration" type="int" />
<description>
Configures throttle parameter for a peer.
Unreliable packets are dropped by ENet in response to the varying conditions of the Internet connection to the peer. The throttle represents a probability that an unreliable packet should not be dropped and thus sent by ENet to the peer. By measuring fluctuations in round trip times of reliable packets over the specified [param interval], ENet will either increase the probability by the amount specified in the [param acceleration] parameter, or decrease it by the amount specified in the [param deceleration] parameter (both are ratios to [constant PACKET_THROTTLE_SCALE]).
When the throttle has a value of [constant PACKET_THROTTLE_SCALE], no unreliable packets are dropped by ENet, and so 100% of all unreliable packets will be sent.
When the throttle has a value of [code]0[/code], all unreliable packets are dropped by ENet, and so 0% of all unreliable packets will be sent.
Intermediate values for the throttle represent intermediate probabilities between 0% and 100% of unreliable packets being sent. The bandwidth limits of the local and foreign hosts are taken into account to determine a sensible limit for the throttle probability above which it should not raise even in the best of conditions.
</description>
</method>
</methods>
<constants>
<constant name="STATE_DISCONNECTED" value="0" enum="PeerState">
The peer is disconnected.
</constant>
<constant name="STATE_CONNECTING" value="1" enum="PeerState">
The peer is currently attempting to connect.
</constant>
<constant name="STATE_ACKNOWLEDGING_CONNECT" value="2" enum="PeerState">
The peer has acknowledged the connection request.
</constant>
<constant name="STATE_CONNECTION_PENDING" value="3" enum="PeerState">
The peer is currently connecting.
</constant>
<constant name="STATE_CONNECTION_SUCCEEDED" value="4" enum="PeerState">
The peer has successfully connected, but is not ready to communicate with yet ([constant STATE_CONNECTED]).
</constant>
<constant name="STATE_CONNECTED" value="5" enum="PeerState">
The peer is currently connected and ready to communicate with.
</constant>
<constant name="STATE_DISCONNECT_LATER" value="6" enum="PeerState">
The peer is expected to disconnect after it has no more outgoing packets to send.
</constant>
<constant name="STATE_DISCONNECTING" value="7" enum="PeerState">
The peer is currently disconnecting.
</constant>
<constant name="STATE_ACKNOWLEDGING_DISCONNECT" value="8" enum="PeerState">
The peer has acknowledged the disconnection request.
</constant>
<constant name="STATE_ZOMBIE" value="9" enum="PeerState">
The peer has lost connection, but is not considered truly disconnected (as the peer didn't acknowledge the disconnection request).
</constant>
<constant name="PEER_PACKET_LOSS" value="0" enum="PeerStatistic">
Mean packet loss of reliable packets as a ratio with respect to the [constant PACKET_LOSS_SCALE].
</constant>
<constant name="PEER_PACKET_LOSS_VARIANCE" value="1" enum="PeerStatistic">
Packet loss variance.
</constant>
<constant name="PEER_PACKET_LOSS_EPOCH" value="2" enum="PeerStatistic">
The time at which packet loss statistics were last updated (in milliseconds since the connection started). The interval for packet loss statistics updates is 10 seconds, and at least one packet must have been sent since the last statistics update.
</constant>
<constant name="PEER_ROUND_TRIP_TIME" value="3" enum="PeerStatistic">
Mean packet round trip time for reliable packets.
</constant>
<constant name="PEER_ROUND_TRIP_TIME_VARIANCE" value="4" enum="PeerStatistic">
Variance of the mean round trip time.
</constant>
<constant name="PEER_LAST_ROUND_TRIP_TIME" value="5" enum="PeerStatistic">
Last recorded round trip time for a reliable packet.
</constant>
<constant name="PEER_LAST_ROUND_TRIP_TIME_VARIANCE" value="6" enum="PeerStatistic">
Variance of the last trip time recorded.
</constant>
<constant name="PEER_PACKET_THROTTLE" value="7" enum="PeerStatistic">
The peer's current throttle status.
</constant>
<constant name="PEER_PACKET_THROTTLE_LIMIT" value="8" enum="PeerStatistic">
The maximum number of unreliable packets that should not be dropped. This value is always greater than or equal to [code]1[/code]. The initial value is equal to [constant PACKET_THROTTLE_SCALE].
</constant>
<constant name="PEER_PACKET_THROTTLE_COUNTER" value="9" enum="PeerStatistic">
Internal value used to increment the packet throttle counter. The value is hardcoded to [code]7[/code] and cannot be changed. You probably want to look at [constant PEER_PACKET_THROTTLE_ACCELERATION] instead.
</constant>
<constant name="PEER_PACKET_THROTTLE_EPOCH" value="10" enum="PeerStatistic">
The time at which throttle statistics were last updated (in milliseconds since the connection started). The interval for throttle statistics updates is [constant PEER_PACKET_THROTTLE_INTERVAL].
</constant>
<constant name="PEER_PACKET_THROTTLE_ACCELERATION" value="11" enum="PeerStatistic">
The throttle's acceleration factor. Higher values will make ENet adapt to fluctuating network conditions faster, causing unrelaible packets to be sent [i]more[/i] often. The default value is [code]2[/code].
</constant>
<constant name="PEER_PACKET_THROTTLE_DECELERATION" value="12" enum="PeerStatistic">
The throttle's deceleration factor. Higher values will make ENet adapt to fluctuating network conditions faster, causing unrelaible packets to be sent [i]less[/i] often. The default value is [code]2[/code].
</constant>
<constant name="PEER_PACKET_THROTTLE_INTERVAL" value="13" enum="PeerStatistic">
The interval over which the lowest mean round trip time should be measured for use by the throttle mechanism (in milliseconds). The default value is [code]5000[/code].
</constant>
<constant name="PACKET_LOSS_SCALE" value="65536">
The reference scale for packet loss. See [method get_statistic] and [constant PEER_PACKET_LOSS].
</constant>
<constant name="PACKET_THROTTLE_SCALE" value="32">
The reference value for throttle configuration. The default value is [code]32[/code]. See [method throttle_configure].
</constant>
<constant name="FLAG_RELIABLE" value="1">
Mark the packet to be sent as reliable.
</constant>
<constant name="FLAG_UNSEQUENCED" value="2">
Mark the packet to be sent unsequenced (unreliable).
</constant>
<constant name="FLAG_UNRELIABLE_FRAGMENT" value="8">
Mark the packet to be sent unreliable even if the packet is too big and needs fragmentation (increasing the chance of it being dropped).
</constant>
</constants>
</class>