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author | Christopher Speller <crspeller@gmail.com> | 2018-06-25 12:33:13 -0700 |
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committer | GitHub <noreply@github.com> | 2018-06-25 12:33:13 -0700 |
commit | 1e5c432e1029601a664454388ae366ef69618d62 (patch) | |
tree | cb9e8bfb66640ac3b29c934bb2c3202d25aeb368 /vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto | |
parent | ecefa6cdd1e7376046bbec82c1b47f7756fea646 (diff) | |
download | chat-1e5c432e1029601a664454388ae366ef69618d62.tar.gz chat-1e5c432e1029601a664454388ae366ef69618d62.tar.bz2 chat-1e5c432e1029601a664454388ae366ef69618d62.zip |
MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)
* Moving plugins to use hashicorp go-plugin.
* Tweaks from feedback.
Diffstat (limited to 'vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto')
-rw-r--r-- | vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto b/vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto new file mode 100644 index 000000000..42d99c109 --- /dev/null +++ b/vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto @@ -0,0 +1,155 @@ +// Copyright 2016 gRPC authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +syntax = "proto3"; + +package grpc.lb.v1; +option go_package = "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"; + +message Duration { + // Signed seconds of the span of time. Must be from -315,576,000,000 + // to +315,576,000,000 inclusive. + int64 seconds = 1; + + // Signed fractions of a second at nanosecond resolution of the span + // of time. Durations less than one second are represented with a 0 + // `seconds` field and a positive or negative `nanos` field. For durations + // of one second or more, a non-zero value for the `nanos` field must be + // of the same sign as the `seconds` field. Must be from -999,999,999 + // to +999,999,999 inclusive. + int32 nanos = 2; +} + +message Timestamp { + // Represents seconds of UTC time since Unix epoch + // 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to + // 9999-12-31T23:59:59Z inclusive. + int64 seconds = 1; + + // Non-negative fractions of a second at nanosecond resolution. Negative + // second values with fractions must still have non-negative nanos values + // that count forward in time. Must be from 0 to 999,999,999 + // inclusive. + int32 nanos = 2; +} + +message LoadBalanceRequest { + oneof load_balance_request_type { + // This message should be sent on the first request to the load balancer. + InitialLoadBalanceRequest initial_request = 1; + + // The client stats should be periodically reported to the load balancer + // based on the duration defined in the InitialLoadBalanceResponse. + ClientStats client_stats = 2; + } +} + +message InitialLoadBalanceRequest { + // Name of load balanced service (IE, balancer.service.com) + // length should be less than 256 bytes. + string name = 1; +} + +// Contains client level statistics that are useful to load balancing. Each +// count except the timestamp should be reset to zero after reporting the stats. +message ClientStats { + // The timestamp of generating the report. + Timestamp timestamp = 1; + + // The total number of RPCs that started. + int64 num_calls_started = 2; + + // The total number of RPCs that finished. + int64 num_calls_finished = 3; + + // The total number of RPCs that were dropped by the client because of rate + // limiting. + int64 num_calls_finished_with_drop_for_rate_limiting = 4; + + // The total number of RPCs that were dropped by the client because of load + // balancing. + int64 num_calls_finished_with_drop_for_load_balancing = 5; + + // The total number of RPCs that failed to reach a server except dropped RPCs. + int64 num_calls_finished_with_client_failed_to_send = 6; + + // The total number of RPCs that finished and are known to have been received + // by a server. + int64 num_calls_finished_known_received = 7; +} + +message LoadBalanceResponse { + oneof load_balance_response_type { + // This message should be sent on the first response to the client. + InitialLoadBalanceResponse initial_response = 1; + + // Contains the list of servers selected by the load balancer. The client + // should send requests to these servers in the specified order. + ServerList server_list = 2; + } +} + +message InitialLoadBalanceResponse { + // This is an application layer redirect that indicates the client should use + // the specified server for load balancing. When this field is non-empty in + // the response, the client should open a separate connection to the + // load_balancer_delegate and call the BalanceLoad method. Its length should + // be less than 64 bytes. + string load_balancer_delegate = 1; + + // This interval defines how often the client should send the client stats + // to the load balancer. Stats should only be reported when the duration is + // positive. + Duration client_stats_report_interval = 2; +} + +message ServerList { + // Contains a list of servers selected by the load balancer. The list will + // be updated when server resolutions change or as needed to balance load + // across more servers. The client should consume the server list in order + // unless instructed otherwise via the client_config. + repeated Server servers = 1; + + // Was google.protobuf.Duration expiration_interval. + reserved 3; +} + +// Contains server information. When none of the [drop_for_*] fields are true, +// use the other fields. When drop_for_rate_limiting is true, ignore all other +// fields. Use drop_for_load_balancing only when it is true and +// drop_for_rate_limiting is false. +message Server { + // A resolved address for the server, serialized in network-byte-order. It may + // either be an IPv4 or IPv6 address. + bytes ip_address = 1; + + // A resolved port number for the server. + int32 port = 2; + + // An opaque but printable token given to the frontend for each pick. All + // frontend requests for that pick must include the token in its initial + // metadata. The token is used by the backend to verify the request and to + // allow the backend to report load to the gRPC LB system. + // + // Its length is variable but less than 50 bytes. + string load_balance_token = 3; + + // Indicates whether this particular request should be dropped by the client + // for rate limiting. + bool drop_for_rate_limiting = 4; + + // Indicates whether this particular request should be dropped by the client + // for load balancing. + bool drop_for_load_balancing = 5; +} |