udp_proxyv3

type Route struct {

	// Indicates the upstream cluster to which the request should be routed.
	Cluster string `protobuf:"bytes,1,opt,name=cluster,proto3" json:"cluster,omitempty"`
	// contains filtered or unexported fields
}

type UdpProxyConfig struct {

	// The stat prefix used when emitting UDP proxy filter stats.
	StatPrefix string `protobuf:"bytes,1,opt,name=stat_prefix,json=statPrefix,proto3" json:"stat_prefix,omitempty"`
	// Types that are assignable to RouteSpecifier:
	//
	//	*UdpProxyConfig_Cluster
	//	*UdpProxyConfig_Matcher
	RouteSpecifier isUdpProxyConfig_RouteSpecifier `protobuf_oneof:"route_specifier"`
	// The idle timeout for sessions. Idle is defined as no datagrams between received or sent by
	// the session. The default if not specified is 1 minute.
	IdleTimeout *durationpb.Duration `protobuf:"bytes,3,opt,name=idle_timeout,json=idleTimeout,proto3" json:"idle_timeout,omitempty"`
	// Use the remote downstream IP address as the sender IP address when sending packets to upstream hosts.
	// This option requires Envoy to be run with the “CAP_NET_ADMIN“ capability on Linux.
	// And the IPv6 stack must be enabled on Linux kernel.
	// This option does not preserve the remote downstream port.
	// If this option is enabled, the IP address of sent datagrams will be changed to the remote downstream IP address.
	// This means that Envoy will not receive packets that are sent by upstream hosts because the upstream hosts
	// will send the packets with the remote downstream IP address as the destination. All packets will be routed
	// to the remote downstream directly if there are route rules on the upstream host side.
	// There are two options to return the packets back to the remote downstream.
	// The first one is to use DSR (Direct Server Return).
	// The other one is to configure routing rules on the upstream hosts to forward
	// all packets back to Envoy and configure iptables rules on the host running Envoy to
	// forward all packets from upstream hosts to the Envoy process so that Envoy can forward the packets to the downstream.
	// If the platform does not support this option, Envoy will raise a configuration error.
	UseOriginalSrcIp bool `protobuf:"varint,4,opt,name=use_original_src_ip,json=useOriginalSrcIp,proto3" json:"use_original_src_ip,omitempty"`
	// Optional configuration for UDP proxy hash policies. If hash_policies is not set, the hash-based
	// load balancing algorithms will select a host randomly. Currently the number of hash policies is
	// limited to 1.
	HashPolicies []*UdpProxyConfig_HashPolicy `protobuf:"bytes,5,rep,name=hash_policies,json=hashPolicies,proto3" json:"hash_policies,omitempty"`
	// UDP socket configuration for upstream sockets. The default for
	// :ref:`prefer_gro <envoy_v3_api_field_config.core.v3.UdpSocketConfig.prefer_gro>` is true for upstream
	// sockets as the assumption is datagrams will be received from a single source.
	UpstreamSocketConfig *v3.UdpSocketConfig `protobuf:"bytes,6,opt,name=upstream_socket_config,json=upstreamSocketConfig,proto3" json:"upstream_socket_config,omitempty"`
	// Perform per packet load balancing (upstream host selection) on each received data chunk.
	// The default if not specified is false, that means each data chunk is forwarded
	// to upstream host selected on first chunk receival for that "session" (identified by source IP/port and local IP/port).
	// Only one of use_per_packet_load_balancing or session_filters can be used.
	UsePerPacketLoadBalancing bool `` /* 143-byte string literal not displayed */
	// Configuration for session access logs emitted by the UDP proxy. Note that certain UDP specific data is emitted as :ref:`Dynamic Metadata <config_access_log_format_dynamic_metadata>`.
	AccessLog []*v31.AccessLog `protobuf:"bytes,8,rep,name=access_log,json=accessLog,proto3" json:"access_log,omitempty"`
	// Configuration for proxy access logs emitted by the UDP proxy. Note that certain UDP specific data is emitted as :ref:`Dynamic Metadata <config_access_log_format_dynamic_metadata>`.
	ProxyAccessLog []*v31.AccessLog `protobuf:"bytes,10,rep,name=proxy_access_log,json=proxyAccessLog,proto3" json:"proxy_access_log,omitempty"`
	// Optional session filters that will run for each UDP session.
	// Only one of use_per_packet_load_balancing or session_filters can be used.
	// [#extension-category: envoy.filters.udp.session]
	SessionFilters []*UdpProxyConfig_SessionFilter `protobuf:"bytes,11,rep,name=session_filters,json=sessionFilters,proto3" json:"session_filters,omitempty"`
	// If set, this configures UDP tunneling. See `Proxying UDP in HTTP <https://www.rfc-editor.org/rfc/rfc9298.html>`_.
	// More information can be found in the UDP Proxy and HTTP upgrade documentation.
	TunnelingConfig *UdpProxyConfig_UdpTunnelingConfig `protobuf:"bytes,12,opt,name=tunneling_config,json=tunnelingConfig,proto3" json:"tunneling_config,omitempty"`
	// Additional access log options for UDP Proxy.
	AccessLogOptions *UdpProxyConfig_UdpAccessLogOptions `protobuf:"bytes,13,opt,name=access_log_options,json=accessLogOptions,proto3" json:"access_log_options,omitempty"`
	// contains filtered or unexported fields
}

type UdpProxyConfig_Cluster struct {
	// The upstream cluster to connect to.
	// This field is deprecated in favor of
	// :ref:`matcher <envoy_v3_api_field_extensions.filters.udp.udp_proxy.v3.UdpProxyConfig.matcher>`.
	//
	// Deprecated: Marked as deprecated in envoy/extensions/filters/udp/udp_proxy/v3/udp_proxy.proto.
	Cluster string `protobuf:"bytes,2,opt,name=cluster,proto3,oneof"`
}

type UdpProxyConfig_HashPolicy struct {

	// Types that are assignable to PolicySpecifier:
	//
	//	*UdpProxyConfig_HashPolicy_SourceIp
	//	*UdpProxyConfig_HashPolicy_Key
	PolicySpecifier isUdpProxyConfig_HashPolicy_PolicySpecifier `protobuf_oneof:"policy_specifier"`
	// contains filtered or unexported fields
}

type UdpProxyConfig_HashPolicy_Key struct {
	// A given key will be used to compute the hash used by hash-based load balancing algorithms.
	// In certain cases there is a need to direct different UDP streams jointly towards the selected set of endpoints.
	// A possible use-case is VoIP telephony, where media (RTP) and its corresponding control (RTCP) belong to the same logical session,
	// although they travel in separate streams. To ensure that these pair of streams are load-balanced on session level
	// (instead of individual stream level), dynamically created listeners can use the same hash key for each stream in the session.
	Key string `protobuf:"bytes,2,opt,name=key,proto3,oneof"`
}

type UdpProxyConfig_HashPolicy_SourceIp struct {
	// The source IP will be used to compute the hash used by hash-based load balancing algorithms.
	SourceIp bool `protobuf:"varint,1,opt,name=source_ip,json=sourceIp,proto3,oneof"`
}

type UdpProxyConfig_Matcher struct {
	// The match tree to use when resolving route actions for incoming requests.
	// See :ref:`Routing <config_udp_listener_filters_udp_proxy_routing>` for more information.
	Matcher *v32.Matcher `protobuf:"bytes,9,opt,name=matcher,proto3,oneof"`
}

type UdpProxyConfig_SessionFilter struct {

	// The name of the filter configuration.
	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	// Types that are assignable to ConfigType:
	//
	//	*UdpProxyConfig_SessionFilter_TypedConfig
	ConfigType isUdpProxyConfig_SessionFilter_ConfigType `protobuf_oneof:"config_type"`
	// contains filtered or unexported fields
}

type UdpProxyConfig_SessionFilter_TypedConfig struct {
	// Filter specific configuration which depends on the filter being
	// instantiated. See the supported filters for further documentation.
	TypedConfig *anypb.Any `protobuf:"bytes,2,opt,name=typed_config,json=typedConfig,proto3,oneof"`
}

type UdpProxyConfig_UdpAccessLogOptions struct {

	// The interval to flush access log. The UDP proxy will flush only one access log when the session
	// is ended by default. If this field is set, the UDP proxy will flush access log periodically with
	// the specified interval.
	// This field does not require on-tunnel-connected access logging enabled, and the other way around.
	// The interval must be at least 1ms.
	AccessLogFlushInterval *durationpb.Duration `` /* 131-byte string literal not displayed */
	// If set to true and UDP tunneling is configured, access log will be flushed when the UDP proxy has successfully
	// established a connection tunnel with the upstream. If the connection failed, the access log will not be flushed.
	FlushAccessLogOnTunnelConnected bool `` /* 163-byte string literal not displayed */
	// contains filtered or unexported fields
}

type UdpProxyConfig_UdpTunnelingConfig struct {

	// The hostname to send in the synthesized CONNECT headers to the upstream proxy.
	// This field evaluates command operators if set, otherwise returns hostname as is.
	//
	// Example: dynamically set hostname using filter state
	//
	// .. code-block:: yaml
	//
	//	tunneling_config:
	//	  proxy_host: "%FILTER_STATE(proxy.host.key:PLAIN)%"
	ProxyHost string `protobuf:"bytes,1,opt,name=proxy_host,json=proxyHost,proto3" json:"proxy_host,omitempty"`
	// Optional port value to add to the HTTP request URI.
	// This value can be overridden per-session by setting the required port value for
	// the filter state key “udp.connect.proxy_port“.
	ProxyPort *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=proxy_port,json=proxyPort,proto3" json:"proxy_port,omitempty"`
	// The target host to send in the synthesized CONNECT headers to the upstream proxy.
	// This field evaluates command operators if set, otherwise returns hostname as is.
	//
	// Example: dynamically set target host using filter state
	//
	// .. code-block:: yaml
	//
	//	tunneling_config:
	//	  target_host: "%FILTER_STATE(target.host.key:PLAIN)%"
	TargetHost string `protobuf:"bytes,3,opt,name=target_host,json=targetHost,proto3" json:"target_host,omitempty"`
	// The default target port to send in the CONNECT headers to the upstream proxy.
	// This value can be overridden per-session by setting the required port value for
	// the filter state key “udp.connect.target_port“.
	DefaultTargetPort uint32 `protobuf:"varint,4,opt,name=default_target_port,json=defaultTargetPort,proto3" json:"default_target_port,omitempty"`
	// Use POST method instead of CONNECT method to tunnel the UDP stream.
	//
	// .. note::
	//
	//	If use_post is set, the upstream stream does not comply with the connect-udp RFC, and
	//	instead it will be a POST request. the path used in the headers will be set from the
	//	post_path field, and the headers will not contain the target host and target port, as
	//	required by the connect-udp protocol. This flag should be used carefully.
	UsePost bool `protobuf:"varint,5,opt,name=use_post,json=usePost,proto3" json:"use_post,omitempty"`
	// The path used with POST method. Default path is “/“. If post path is specified and
	// use_post field isn't true, it will be rejected.
	PostPath string `protobuf:"bytes,6,opt,name=post_path,json=postPath,proto3" json:"post_path,omitempty"`
	// Optional retry options, in case connecting to the upstream failed.
	RetryOptions *UdpProxyConfig_UdpTunnelingConfig_RetryOptions `protobuf:"bytes,7,opt,name=retry_options,json=retryOptions,proto3" json:"retry_options,omitempty"`
	// Additional request headers to upstream proxy. Neither “:-prefixed“ pseudo-headers
	// nor the Host: header can be overridden. Values of the added headers evaluates command
	// operators if they are set in the value template.
	//
	// Example: dynamically set a header with the local port
	//
	// .. code-block:: yaml
	//
	//	headers_to_add:
	//	- header:
	//	    key: original_dst_port
	//	    value: "%DOWNSTREAM_LOCAL_PORT%"
	HeadersToAdd []*v3.HeaderValueOption `protobuf:"bytes,8,rep,name=headers_to_add,json=headersToAdd,proto3" json:"headers_to_add,omitempty"`
	// If configured, the filter will buffer datagrams in case that it is waiting for the upstream to be
	// ready, whether if it is during the connection process or due to upstream buffer watermarks.
	// If this field is not configured, there will be no buffering and downstream datagrams that arrive
	// while the upstream is not ready will be dropped. In case this field is set but the options
	// are not configured, the default values will be applied as described in the “BufferOptions“.
	BufferOptions *UdpProxyConfig_UdpTunnelingConfig_BufferOptions `protobuf:"bytes,9,opt,name=buffer_options,json=bufferOptions,proto3" json:"buffer_options,omitempty"`
	// Save the response headers to the downstream info filter state for consumption
	// by the session filters. The filter state key is “envoy.udp_proxy.propagate_response_headers“.
	PropagateResponseHeaders bool `` /* 137-byte string literal not displayed */
	// Save the response trailers to the downstream info filter state for consumption
	// by the session filters. The filter state key is “envoy.udp_proxy.propagate_response_trailers“.
	PropagateResponseTrailers bool `` /* 140-byte string literal not displayed */
	// contains filtered or unexported fields
}

type UdpProxyConfig_UdpTunnelingConfig_BufferOptions struct {

	// If set, the filter will only buffer datagrams up to the requested limit, and will drop
	// new UDP datagrams if the buffer contains the max_buffered_datagrams value at the time
	// of a new datagram arrival. If not set, the default value is 1024 datagrams.
	MaxBufferedDatagrams *wrapperspb.UInt32Value `protobuf:"bytes,1,opt,name=max_buffered_datagrams,json=maxBufferedDatagrams,proto3" json:"max_buffered_datagrams,omitempty"`
	// If set, the filter will only buffer datagrams up to the requested total buffered bytes limit,
	// and will drop new UDP datagrams if the buffer contains the max_buffered_datagrams value
	// at the time of a new datagram arrival. If not set, the default value is 16,384 (16KB).
	MaxBufferedBytes *wrapperspb.UInt64Value `protobuf:"bytes,2,opt,name=max_buffered_bytes,json=maxBufferedBytes,proto3" json:"max_buffered_bytes,omitempty"`
	// contains filtered or unexported fields
}

type UdpProxyConfig_UdpTunnelingConfig_RetryOptions struct {

	// The maximum number of unsuccessful connection attempts that will be made before giving up.
	// If the parameter is not specified, 1 connection attempt will be made.
	MaxConnectAttempts *wrapperspb.UInt32Value `protobuf:"bytes,1,opt,name=max_connect_attempts,json=maxConnectAttempts,proto3" json:"max_connect_attempts,omitempty"`
	// contains filtered or unexported fields
}