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/* -*- Mode: C++; tab-width: 8; 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 mozilla_dom_UDPSocket_h__
#define mozilla_dom_UDPSocket_h__
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/SocketCommonBinding.h"
#include "nsIUDPSocket.h"
#include "nsIUDPSocketChild.h"
#include "nsTArray.h"
struct JSContext;
//
// set MOZ_LOG=UDPSocket:5
//
namespace mozilla {
namespace net {
extern LazyLogModule gUDPSocketLog;
#define UDPSOCKET_LOG(args) MOZ_LOG(gUDPSocketLog, LogLevel::Debug, args)
#define UDPSOCKET_LOG_ENABLED() MOZ_LOG_TEST(gUDPSocketLog, LogLevel::Debug)
} // namespace net
namespace dom {
struct UDPOptions;
class StringOrBlobOrArrayBufferOrArrayBufferView;
class UDPSocket final : public DOMEventTargetHelper
, public nsIUDPSocketListener
, public nsIUDPSocketInternal
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(UDPSocket, DOMEventTargetHelper)
NS_DECL_NSIUDPSOCKETLISTENER
NS_DECL_NSIUDPSOCKETINTERNAL
NS_REALLY_FORWARD_NSIDOMEVENTTARGET(DOMEventTargetHelper)
public:
nsPIDOMWindowInner*
GetParentObject() const
{
return GetOwner();
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
virtual void
DisconnectFromOwner() override;
static already_AddRefed<UDPSocket>
Constructor(const GlobalObject& aGlobal, const UDPOptions& aOptions, ErrorResult& aRv);
void
GetLocalAddress(nsString& aRetVal) const
{
aRetVal = mLocalAddress;
}
Nullable<uint16_t>
GetLocalPort() const
{
return mLocalPort;
}
void
GetRemoteAddress(nsString& aRetVal) const
{
if (mRemoteAddress.IsVoid()) {
SetDOMStringToNull(aRetVal);
return;
}
aRetVal = NS_ConvertUTF8toUTF16(mRemoteAddress);
}
Nullable<uint16_t>
GetRemotePort() const
{
return mRemotePort;
}
bool
AddressReuse() const
{
return mAddressReuse;
}
bool
Loopback() const
{
return mLoopback;
}
SocketReadyState
ReadyState() const
{
return mReadyState;
}
Promise*
Opened() const
{
return mOpened;
}
Promise*
Closed() const
{
return mClosed;
}
IMPL_EVENT_HANDLER(message)
already_AddRefed<Promise>
Close();
void
JoinMulticastGroup(const nsAString& aMulticastGroupAddress, ErrorResult& aRv);
void
LeaveMulticastGroup(const nsAString& aMulticastGroupAddress, ErrorResult& aRv);
bool
Send(const StringOrBlobOrArrayBufferOrArrayBufferView& aData,
const Optional<nsAString>& aRemoteAddress,
const Optional<Nullable<uint16_t>>& aRemotePort,
ErrorResult& aRv);
private:
class ListenerProxy : public nsIUDPSocketListener
, public nsIUDPSocketInternal
{
public:
NS_DECL_ISUPPORTS
NS_FORWARD_SAFE_NSIUDPSOCKETLISTENER(mSocket)
NS_FORWARD_SAFE_NSIUDPSOCKETINTERNAL(mSocket)
explicit ListenerProxy(UDPSocket* aSocket)
: mSocket(aSocket)
{
}
void Disconnect()
{
mSocket = nullptr;
}
private:
virtual ~ListenerProxy() {}
UDPSocket* mSocket;
};
UDPSocket(nsPIDOMWindowInner* aOwner,
const nsCString& aRemoteAddress,
const Nullable<uint16_t>& aRemotePort);
virtual ~UDPSocket();
nsresult
Init(const nsString& aLocalAddress,
const Nullable<uint16_t>& aLocalPort,
const bool& aAddressReuse,
const bool& aLoopback);
nsresult
InitLocal(const nsAString& aLocalAddress, const uint16_t& aLocalPort);
nsresult
InitRemote(const nsAString& aLocalAddress, const uint16_t& aLocalPort);
void
HandleReceivedData(const nsACString& aRemoteAddress,
const uint16_t& aRemotePort,
const uint8_t* aData,
const uint32_t& aDataLength);
nsresult
DispatchReceivedData(const nsACString& aRemoteAddress,
const uint16_t& aRemotePort,
const uint8_t* aData,
const uint32_t& aDataLength);
void
CloseWithReason(nsresult aReason);
nsresult
DoPendingMcastCommand();
nsString mLocalAddress;
Nullable<uint16_t> mLocalPort;
nsCString mRemoteAddress;
Nullable<uint16_t> mRemotePort;
bool mAddressReuse;
bool mLoopback;
SocketReadyState mReadyState;
RefPtr<Promise> mOpened;
RefPtr<Promise> mClosed;
nsCOMPtr<nsIUDPSocket> mSocket;
nsCOMPtr<nsIUDPSocketChild> mSocketChild;
RefPtr<ListenerProxy> mListenerProxy;
struct MulticastCommand {
enum CommandType { Join, Leave };
MulticastCommand(CommandType aCommand, const nsAString& aAddress)
: mCommand(aCommand), mAddress(aAddress)
{ }
CommandType mCommand;
nsString mAddress;
};
nsTArray<MulticastCommand> mPendingMcastCommands;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_UDPSocket_h__
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