blob: 2db50004b07411c27d38ce45fd9fcb29ac7d9906 [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 <deque>
#include <string>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/values.h"
#include "remoting/base/chromoting_event.h"
#include "remoting/base/chromoting_event_log_writer.h"
#include "remoting/base/url_request.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.
class TelemetryLogWriter : public ChromotingEventLogWriter {
TelemetryLogWriter(const std::string& telemetry_base_url,
std::unique_ptr<UrlRequestFactory> request_factory);
// "Authorization:Bearer {TOKEN}" will be added if auth_token is not empty.
// After this function is called, the log writer will try to send out pending
// logs if the list is not empty.
void SetAuthToken(const std::string& auth_token) override;
// The closure will be called when the request fails with unauthorized error
// code. The closure should call SetAuthToken to set the token.
// If the closure is not set, the log writer will try to resend the logs
// immediately.
void SetAuthClosure(const base::Closure& closure) override;
// Push the log entry to the pending list and send out all the pending logs.
void Log(const ChromotingEvent& entry) override;
~TelemetryLogWriter() override;
void SendPendingEntries();
void PostJsonToServer(const std::string& json);
void OnSendLogResult(const remoting::UrlRequest::Result& result);
base::ThreadChecker thread_checker_;
std::string telemetry_base_url_;
std::unique_ptr<UrlRequestFactory> request_factory_;
std::string auth_token_;
base::Closure auth_closure_;
std::unique_ptr<UrlRequest> request_;
// Entries to be sent.
std::deque<ChromotingEvent> pending_entries_;
// Entries being sent.
// These will be pushed back to pending_entries if error occurs.
std::deque<ChromotingEvent> sending_entries_;
} // namespace remoting