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token_bucket.proto
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token_bucket.proto
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syntax = "proto3";
package envoy.type;
import "google/protobuf/duration.proto";
import "google/protobuf/wrappers.proto";
import "udpa/annotations/status.proto";
import "validate/validate.proto";
option java_package = "io.envoyproxy.envoy.type";
option java_outer_classname = "TokenBucketProto";
option java_multiple_files = true;
option (udpa.annotations.file_status).package_version_status = FROZEN;
// [#protodoc-title: Token bucket]
// Configures a token bucket, typically used for rate limiting.
message TokenBucket {
// The maximum tokens that the bucket can hold. This is also the number of tokens that the bucket
// initially contains.
uint32 max_tokens = 1 [(validate.rules).uint32 = {gt: 0}];
// The number of tokens added to the bucket during each fill interval. If not specified, defaults
// to a single token.
google.protobuf.UInt32Value tokens_per_fill = 2 [(validate.rules).uint32 = {gt: 0}];
// The fill interval that tokens are added to the bucket. During each fill interval
// `tokens_per_fill` are added to the bucket. The bucket will never contain more than
// `max_tokens` tokens.
google.protobuf.Duration fill_interval = 3 [(validate.rules).duration = {
required: true
gt {}
}];
}