// Copyright 2019 The 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.http_over_grpc;

// Represents HTTP 1.1 header.
message Header {
  string key = 1;
  repeated string values = 2;
}

// An HTTP 1.1 request encapsulated in a gRPC.
message HTTPOverGRPCRequest {
  // The HTTP request method.
  string method = 1;
  // The HTTP request URL.
  string url = 2;
  // The HTTP request headers.
  repeated Header headers = 3;
  // HTTP request body.
  bytes body = 4;
}

// An HTTP 1.1 reply encapsulated in an RPC.
message HTTPOverGRPCReply {
  // The HTTP status code (e.g. 200, 400, 404).
  int32 status = 1;
  // The HTTP response headers.
  repeated Header headers = 2;
  // The HTTP response body.
  bytes body = 3;
}

// Currently does not support HTTP chunked transfer encoding.
service HTTPOverGRPC {
 // Perform the given HTTP request.
 rpc HTTPRequest(HTTPOverGRPCRequest) returns (HTTPOverGRPCReply) {}
}