mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-25 13:51:41 +00:00
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef IOActivityMonitor_h___
|
|
#define IOActivityMonitor_h___
|
|
|
|
#include "mozilla/dom/ChromeUtilsBinding.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nscore.h"
|
|
#include "nsClassHashtable.h"
|
|
#include "nsDataHashtable.h"
|
|
#include "nsHashKeys.h"
|
|
#include "nsISupports.h"
|
|
#include "prinrval.h"
|
|
#include "prio.h"
|
|
#include "private/pprio.h"
|
|
#include <stdint.h>
|
|
|
|
namespace mozilla {
|
|
|
|
namespace dom {
|
|
class Promise;
|
|
}
|
|
|
|
namespace net {
|
|
|
|
#define IO_ACTIVITY_ENABLED_PREF "io.activity.enabled"
|
|
|
|
typedef nsDataHashtable<nsCStringHashKey, dom::IOActivityDataDictionary>
|
|
Activities;
|
|
|
|
// IOActivityMonitor has several roles:
|
|
// - maintains an IOActivity per resource and updates it
|
|
// - sends a dump of the activities to a promise via RequestActivities
|
|
class IOActivityMonitor final : public nsINamed {
|
|
public:
|
|
IOActivityMonitor();
|
|
|
|
NS_DECL_THREADSAFE_ISUPPORTS
|
|
NS_DECL_NSINAMED
|
|
|
|
// initializes and destroys the singleton
|
|
static nsresult Init();
|
|
static nsresult Shutdown();
|
|
|
|
// collect amounts of data that are written/read by location
|
|
static nsresult Read(const nsACString& location, uint32_t aAmount);
|
|
static nsresult Write(const nsACString& location, uint32_t aAmount);
|
|
|
|
static nsresult MonitorFile(PRFileDesc* aFd, const char* aPath);
|
|
static nsresult MonitorSocket(PRFileDesc* aFd);
|
|
static nsresult Read(PRFileDesc* fd, uint32_t aAmount);
|
|
static nsresult Write(PRFileDesc* fd, uint32_t aAmount);
|
|
|
|
static bool IsActive();
|
|
static void RequestActivities(dom::Promise* aPromise);
|
|
|
|
private:
|
|
~IOActivityMonitor() = default;
|
|
nsresult InitInternal();
|
|
nsresult ShutdownInternal();
|
|
bool IncrementActivity(const nsACString& location, uint32_t aRx,
|
|
uint32_t aTx);
|
|
nsresult WriteInternal(const nsACString& location, uint32_t aAmount);
|
|
nsresult ReadInternal(const nsACString& location, uint32_t aAmount);
|
|
void RequestActivitiesInternal(dom::Promise* aPromise);
|
|
|
|
Activities mActivities;
|
|
// protects mActivities accesses
|
|
Mutex mLock;
|
|
};
|
|
|
|
} // namespace net
|
|
} // namespace mozilla
|
|
|
|
#endif /* IOActivityMonitor_h___ */
|