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// Copyright (c) 2009 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.
//
// Run WebSocket live experiment to collect metrics about WebSocket
// availability in the real Internet.
// It tries to open WebSocket connection to websocket-experiment.chromium.org,
// send/receive some static content over the connection, and see how it works
// well.
// It must be started only if the user permits metrics reporting with the
// checkbox in the prefs.
// For more detail what the experiment is, see websocket_experiment_task.h.
#ifndef CHROME_BROWSER_NET_WEBSOCKET_EXPERIMENT_WEBSOCKET_EXPERIMENT_RUNNER_H_
#define CHROME_BROWSER_NET_WEBSOCKET_EXPERIMENT_WEBSOCKET_EXPERIMENT_RUNNER_H_
#pragma once
#include "base/basictypes.h"
#include "base/linked_ptr.h"
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/net/websocket_experiment/websocket_experiment_task.h"
#include "net/base/completion_callback.h"
namespace chrome_browser_net_websocket_experiment {
class WebSocketExperimentRunner
: public base::RefCountedThreadSafe<WebSocketExperimentRunner> {
public:
class Config {
public:
Config()
: initial_delay_ms(0),
next_delay_ms(0) {}
int64 initial_delay_ms;
int64 next_delay_ms;
WebSocketExperimentTask::Config ws_config[6];
};
static void Start();
static void Stop();
void Run();
void Cancel();
private:
enum State {
STATE_NONE,
STATE_IDLE,
STATE_RUN_WS,
STATE_RUN_WSS,
STATE_RUN_WS_NODEFAULT_PORT,
STATE_RUN_WS_DRAFT75,
STATE_RUN_WSS_DRAFT75,
STATE_RUN_WS_NODEFAULT_PORT_DRAFT75,
NUM_STATES,
};
WebSocketExperimentRunner();
virtual ~WebSocketExperimentRunner();
friend class base::RefCountedThreadSafe<WebSocketExperimentRunner>;
void InitConfig();
void DoLoop();
void OnTaskCompleted(int result);
void UpdateTaskResultHistogram(const WebSocketExperimentTask* task);
Config config_;
State next_state_;
State task_state_;
scoped_ptr<WebSocketExperimentTask> task_;
net::CompletionCallbackImpl<WebSocketExperimentRunner> task_callback_;
DISALLOW_COPY_AND_ASSIGN(WebSocketExperimentRunner);
};
} // namespace chrome_browser_net_websocket_experiment
#endif // CHROME_BROWSER_NET_WEBSOCKET_EXPERIMENT_WEBSOCKET_EXPERIMENT_RUNNER_H_
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