/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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 profiler.proto;

import "network.proto";

service InternalNetworkService {
  rpc SendChunk(ChunkRequest) returns (EmptyNetworkReply) {}
  rpc SendHttpEvent(HttpEventRequest) returns (EmptyNetworkReply) {}
  rpc SendHttpRequest(HttpRequestRequest) returns (EmptyNetworkReply) {}
  rpc SendHttpResponse(HttpResponseRequest) returns (EmptyNetworkReply) {}
  rpc TrackThread(JavaThreadRequest) returns (EmptyNetworkReply) {}
}

// A small chunk of a body of data large enough that we want to stream it in
// pieces instead of all at once.
message ChunkRequest {
  enum Type {
    UNSPECIFIED = 0;
    // This is a chunk of a request (uploaded) body
    REQUEST = 1;
    // This is a chunk of a response (downloaded) body
    RESPONSE = 2;
  }
  int64 conn_id = 1;
  bytes content = 2;
  Type type = 3;
}

// An tracking message for an important moment in the lifetime of an HTTP
// request.
message HttpEventRequest {
  enum Event {
    UNSPECIFIED = 0;
    UPLOAD_STARTED = 1;
    UPLOAD_COMPLETED = 2;
    DOWNLOAD_STARTED = 3;
    DOWNLOAD_COMPLETED = 4;
    ABORTED = 5;
  }

  int64 conn_id = 1;
  int64 timestamp = 2;
  Event event = 3;
}

// Request data of HTTP connection, used to communicate with perfd that a new
// request was created. This also notifies the system that we are using a
// unique ID value to represent this request from now on in future GRPC messages
// associated with this connection.
message HttpRequestRequest {
  int64 conn_id = 1;
  int64 start_timestamp = 2;
  int32 pid = 3;
  string url = 4;
  string trace = 5;
  // Header fields associated with this request. See also:
  // https://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Request_fields.
  string fields = 6;
  string method = 7;
}

// Response data of HTTP connection.
message HttpResponseRequest {
  int64 conn_id = 1;
  // Header fields associated with this response. See also:
  // https://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Response_fields.
  string fields = 2;
}

message JavaThreadRequest {
  int64 conn_id = 1;
  JavaThread thread = 2;
}

message EmptyNetworkReply {}