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dependency.proto
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dependency.proto
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syntax = "proto3";
package envoy.extensions.filters.common.dependency.v3;
import "udpa/annotations/status.proto";
import "validate/validate.proto";
option java_package = "io.envoyproxy.envoy.extensions.filters.common.dependency.v3";
option java_outer_classname = "DependencyProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/common/dependency/v3;dependencyv3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;
// [#protodoc-title: Filter dependency specification]
// Dependency specification and string identifier.
message Dependency {
enum DependencyType {
HEADER = 0;
FILTER_STATE_KEY = 1;
DYNAMIC_METADATA = 2;
}
// The kind of dependency.
DependencyType type = 1;
// The string identifier for the dependency.
string name = 2 [(validate.rules).string = {min_len: 1}];
}
// Dependency specification for a filter. For a filter chain to be valid, any
// dependency that is required must be provided by an earlier filter.
message FilterDependencies {
// A list of dependencies required on the decode path.
repeated Dependency decode_required = 1;
// A list of dependencies provided on the encode path.
repeated Dependency decode_provided = 2;
// A list of dependencies required on the decode path.
repeated Dependency encode_required = 3;
// A list of dependencies provided on the encode path.
repeated Dependency encode_provided = 4;
}
// Matching requirements for a filter. For a match tree to be used with a filter, the match
// requirements must be satisfied.
//
// This protobuf is provided by the filter implementation as a way to communicate the matching
// requirements to the filter factories, allowing for config rejection if the requirements are
// not satisfied.
message MatchingRequirements {
message DataInputAllowList {
// An explicit list of data inputs that are allowed to be used with this filter.
repeated string type_url = 1;
}
DataInputAllowList data_input_allow_list = 1;
}