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-rw-r--r--netwerk/protocol/websocket/WebSocketEventService.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/netwerk/protocol/websocket/WebSocketEventService.h b/netwerk/protocol/websocket/WebSocketEventService.h
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+++ b/netwerk/protocol/websocket/WebSocketEventService.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 mozilla_net_WebSocketEventService_h
+#define mozilla_net_WebSocketEventService_h
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/Atomics.h"
+#include "nsIWebSocketEventService.h"
+#include "nsCOMPtr.h"
+#include "nsClassHashtable.h"
+#include "nsHashKeys.h"
+#include "nsIObserver.h"
+#include "nsISupportsImpl.h"
+#include "nsTArray.h"
+#include "nsIWeakReferenceUtils.h"
+#include "nsTHashMap.h"
+
+class nsIWebSocketImpl;
+class nsIEventTarget;
+
+namespace mozilla {
+namespace net {
+
+class WebSocketFrame;
+class WebSocketEventListenerChild;
+
+class WebSocketEventService final : public nsIWebSocketEventService,
+ public nsIObserver {
+ friend class WebSocketBaseRunnable;
+
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIOBSERVER
+ NS_DECL_NSIWEBSOCKETEVENTSERVICE
+
+ static already_AddRefed<WebSocketEventService> Get();
+ static already_AddRefed<WebSocketEventService> GetOrCreate();
+
+ void WebSocketCreated(uint32_t aWebSocketSerialID, uint64_t aInnerWindowID,
+ const nsAString& aURI, const nsACString& aProtocols,
+ nsIEventTarget* aTarget = nullptr);
+
+ void WebSocketOpened(uint32_t aWebSocketSerialID, uint64_t aInnerWindowID,
+ const nsAString& aEffectiveURI,
+ const nsACString& aProtocols,
+ const nsACString& aExtensions, uint64_t aHttpChannelId,
+ nsIEventTarget* aTarget = nullptr);
+
+ void WebSocketMessageAvailable(uint32_t aWebSocketSerialID,
+ uint64_t aInnerWindowID,
+ const nsACString& aData, uint16_t aMessageType,
+ nsIEventTarget* aTarget = nullptr);
+
+ void WebSocketClosed(uint32_t aWebSocketSerialID, uint64_t aInnerWindowID,
+ bool aWasClean, uint16_t aCode, const nsAString& aReason,
+ nsIEventTarget* aTarget = nullptr);
+
+ void FrameReceived(uint32_t aWebSocketSerialID, uint64_t aInnerWindowID,
+ already_AddRefed<WebSocketFrame> aFrame,
+ nsIEventTarget* aTarget = nullptr);
+
+ void FrameSent(uint32_t aWebSocketSerialID, uint64_t aInnerWindowID,
+ already_AddRefed<WebSocketFrame> aFrame,
+ nsIEventTarget* aTarget = nullptr);
+
+ void AssociateWebSocketImplWithSerialID(nsIWebSocketImpl* aWebSocketImpl,
+ uint32_t aWebSocketSerialID);
+
+ already_AddRefed<WebSocketFrame> CreateFrameIfNeeded(
+ bool aFinBit, bool aRsvBit1, bool aRsvBit2, bool aRsvBit3,
+ uint8_t aOpCode, bool aMaskBit, uint32_t aMask,
+ const nsCString& aPayload);
+
+ already_AddRefed<WebSocketFrame> CreateFrameIfNeeded(
+ bool aFinBit, bool aRsvBit1, bool aRsvBit2, bool aRsvBit3,
+ uint8_t aOpCode, bool aMaskBit, uint32_t aMask, uint8_t* aPayload,
+ uint32_t aPayloadLength);
+
+ already_AddRefed<WebSocketFrame> CreateFrameIfNeeded(
+ bool aFinBit, bool aRsvBit1, bool aRsvBit2, bool aRsvBit3,
+ uint8_t aOpCode, bool aMaskBit, uint32_t aMask, uint8_t* aPayloadInHdr,
+ uint32_t aPayloadInHdrLength, uint8_t* aPayload, uint32_t aPayloadLength);
+
+ private:
+ WebSocketEventService();
+ ~WebSocketEventService();
+
+ bool HasListeners() const;
+ void Shutdown();
+
+ using WindowListeners = nsTArray<nsCOMPtr<nsIWebSocketEventListener>>;
+
+ nsTHashMap<nsUint32HashKey, nsWeakPtr> mWebSocketImplMap;
+
+ struct WindowListener {
+ WindowListeners mListeners;
+ RefPtr<WebSocketEventListenerChild> mActor;
+ };
+
+ void GetListeners(uint64_t aInnerWindowID, WindowListeners& aListeners) const;
+
+ void ShutdownActorListener(WindowListener* aListener);
+
+ // Used only on the main-thread.
+ nsClassHashtable<nsUint64HashKey, WindowListener> mWindows;
+
+ Atomic<uint64_t> mCountListeners;
+};
+
+} // namespace net
+} // namespace mozilla
+
+/**
+ * Casting WebSocketEventService to nsISupports is ambiguous.
+ * This method handles that.
+ */
+inline nsISupports* ToSupports(mozilla::net::WebSocketEventService* p) {
+ return NS_ISUPPORTS_CAST(nsIWebSocketEventService*, p);
+}
+
+#endif // mozilla_net_WebSocketEventService_h