blob: c576ca81ef374b418429cbf8d6c8385cdc3bfc8e [file] [log] [blame]
// 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 <string>
#include "base/callback.h"
#include "base/containers/circular_deque.h"
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "base/timer/timer.h"
#include "base/values.h"
#include "net/base/backoff_entry.h"
#include "remoting/base/chromoting_event.h"
#include "remoting/base/chromoting_event_log_writer.h"
#include "remoting/base/grpc_support/grpc_authenticated_executor.h"
#include "remoting/base/oauth_token_getter.h"
#include "remoting/base/url_request.h"
#include "remoting/proto/remoting/v1/telemetry_service.grpc.pb.h"
namespace remoting {
// TelemetryLogWriter sends log entries (ChromotingEvent) to the telemetry
// server.
// Logs to be sent will be queued and sent when it is available. Logs failed
// to send will be retried for a few times and dropped if they still can't be
// sent.
// The log writer should be used entirely on one thread after it is created,
// unless otherwise noted.
class TelemetryLogWriter : public ChromotingEventLogWriter {
TelemetryLogWriter(std::unique_ptr<OAuthTokenGetter> token_getter);
~TelemetryLogWriter() override;
// Push the log entry to the pending list and send out all the pending logs.
void Log(const ChromotingEvent& entry) override;
void SendPendingEntries();
void DoSend(apis::v1::CreateEventRequest request);
void OnSendLogResult(const grpc::Status& status,
const apis::v1::CreateEventResponse& response);
std::unique_ptr<OAuthTokenGetter> token_getter_;
std::unique_ptr<apis::v1::RemotingTelemetryService::Stub> stub_;
GrpcAuthenticatedExecutor executor_;
net::BackoffEntry backoff_;
base::OneShotTimer backoff_timer_;
// Entries to be sent.
base::circular_deque<ChromotingEvent> pending_entries_;
// Entries being sent.
// These will be pushed back to pending_entries if error occurs.
base::circular_deque<ChromotingEvent> sending_entries_;
} // namespace remoting