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//
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syntax = "proto3";

import "test/proto/benchmarks/payloads.proto";
import "test/proto/benchmarks/stats.proto";

package grpc.testing;

enum ClientType {
  SYNC_CLIENT = 0;
  ASYNC_CLIENT = 1;
}

enum ServerType {
  SYNC_SERVER = 0;
  ASYNC_SERVER = 1;
}

enum RpcType {
  UNARY = 0;
  STREAMING = 1;
}

message PoissonParams {
  double offered_load = 1;
}

message UniformParams {
  double interarrival_lo = 1;
  double interarrival_hi = 2;
}

message DeterministicParams {
  double offered_load = 1;
}

message ParetoParams {
  double interarrival_base = 1;
  double alpha = 2;
}

message ClosedLoopParams {
}

message LoadParams {
  oneof load {
    ClosedLoopParams closed_loop = 1;
    PoissonParams poisson = 2;
    UniformParams uniform = 3;
    DeterministicParams determ = 4;
    ParetoParams pareto = 5;
  };
}

// presence of SecurityParams implies use of TLS
message SecurityParams {
  bool use_test_ca = 1;
  string server_host_override = 2;
}

message ClientConfig {
  repeated string server_targets = 1;
  ClientType client_type = 2;
  SecurityParams security_params = 3;
  int32 outstanding_rpcs_per_channel = 4;
  int32 client_channels = 5;
  // only for async client:
  int32 async_client_threads = 7;
  RpcType rpc_type = 8;
  LoadParams load_params = 10;
  PayloadConfig payload_config = 11;
  HistogramParams histogram_params = 12;
}

message ClientStatus {
  ClientStats stats = 1;
}

// Request current stats
message Mark {
  bool reset = 1;
}

message ClientArgs {
  oneof argtype {
    ClientConfig setup = 1;
    Mark mark = 2;
  }
}

message ServerConfig {
  ServerType server_type = 1;
  SecurityParams security_params = 2;
  string host = 3;
  int32 port = 4;
  // only for async server
  int32 async_server_threads = 7;
  // restrict core usage
  int32 core_limit = 8;
  PayloadConfig payload_config = 9;
}

message ServerArgs {
  oneof argtype {
    ServerConfig setup = 1;
    Mark mark = 2;
  }
}

message ServerStatus {
  ServerStats stats = 1;
  int32 port = 2;
  int32 cores = 3;
}