components/sync/engine/loopback_server/loopback_connection_manager.cc

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/engine/loopback_server/loopback_connection_manager.h"

#include "components/sync/engine/net/server_connection_manager.h"
#include "components/sync/protocol/sync.pb.h"
#include "net/http/http_status_code.h"

namespace syncer {

LoopbackConnectionManager::LoopbackConnectionManager(
    const base::FilePath& persistent_file)
    : loopback_server_(persistent_file) {}

LoopbackConnectionManager::~LoopbackConnectionManager() = default;

HttpResponse LoopbackConnectionManager::PostBuffer(
    const std::string& buffer_in,
    const std::string& access_token,
    bool allow_batching,
    std::string* buffer_out) {
  buffer_out->clear();

  sync_pb::ClientToServerMessage message;
  bool parsed = message.ParseFromString(buffer_in);
  DCHECK(parsed) << "Unable to parse the ClientToServerMessage.";

  sync_pb::ClientToServerResponse client_to_server_response;
  HttpResponse http_response = HttpResponse::Uninitialized();
  http_response.http_status_code =
      loopback_server_.HandleCommand(message, &client_to_server_response);

  if (client_to_server_response.IsInitialized()) {
    *buffer_out = client_to_server_response.SerializeAsString();
  }

  DCHECK_GE(http_response.http_status_code, 0);

  if (http_response.http_status_code != net::HTTP_OK) {
    http_response.server_status = HttpResponse::SYNC_SERVER_ERROR;
  } else {
    http_response.server_status = HttpResponse::SERVER_CONNECTION_OK;
  }

  return http_response;
}

}  // namespace syncer