/
processing_mode.proto
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/
processing_mode.proto
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syntax = "proto3";
package envoy.extensions.filters.http.ext_proc.v3;
import "xds/annotations/v3/status.proto";
import "udpa/annotations/status.proto";
import "validate/validate.proto";
option java_package = "io.envoyproxy.envoy.extensions.filters.http.ext_proc.v3";
option java_outer_classname = "ProcessingModeProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/ext_proc/v3;ext_procv3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;
option (xds.annotations.v3.file_status).work_in_progress = true;
// [#protodoc-title: External Processing Filter]
// External Processing Filter Processing Mode
// [#extension: envoy.filters.http.ext_proc]
// This configuration describes which parts of an HTTP request and
// response are sent to a remote server and how they are delivered.
// [#next-free-field: 7]
message ProcessingMode {
// Control how headers and trailers are handled
enum HeaderSendMode {
// The default HeaderSendMode depends on which part of the message is being
// processed. By default, request and response headers are sent,
// while trailers are skipped.
DEFAULT = 0;
// Send the header or trailer.
SEND = 1;
// Do not send the header or trailer.
SKIP = 2;
}
// Control how the request and response bodies are handled
enum BodySendMode {
// Do not send the body at all. This is the default.
NONE = 0;
// Stream the body to the server in pieces as they arrive at the
// proxy.
STREAMED = 1;
// Buffer the message body in memory and send the entire body at once.
// If the body exceeds the configured buffer limit, then the
// downstream system will receive an error.
BUFFERED = 2;
// Buffer the message body in memory and send the entire body in one
// chunk. If the body exceeds the configured buffer limit, then the body contents
// up to the buffer limit will be sent.
BUFFERED_PARTIAL = 3;
}
// How to handle the request header. Default is "SEND".
HeaderSendMode request_header_mode = 1 [(validate.rules).enum = {defined_only: true}];
// How to handle the response header. Default is "SEND".
HeaderSendMode response_header_mode = 2 [(validate.rules).enum = {defined_only: true}];
// How to handle the request body. Default is "NONE".
BodySendMode request_body_mode = 3 [(validate.rules).enum = {defined_only: true}];
// How do handle the response body. Default is "NONE".
BodySendMode response_body_mode = 4 [(validate.rules).enum = {defined_only: true}];
// How to handle the request trailers. Default is "SKIP".
HeaderSendMode request_trailer_mode = 5 [(validate.rules).enum = {defined_only: true}];
// How to handle the response trailers. Default is "SKIP".
HeaderSendMode response_trailer_mode = 6 [(validate.rules).enum = {defined_only: true}];
}