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Diffstat (limited to 'ipc/glue/ProtocolMessageUtils.h')
-rw-r--r-- | ipc/glue/ProtocolMessageUtils.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/ipc/glue/ProtocolMessageUtils.h b/ipc/glue/ProtocolMessageUtils.h new file mode 100644 index 0000000000..48485596ea --- /dev/null +++ b/ipc/glue/ProtocolMessageUtils.h @@ -0,0 +1,121 @@ +/* -*- 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 https://mozilla.org/MPL/2.0/. */ + +#ifndef IPC_GLUE_PROTOCOLMESSAGEUTILS_H +#define IPC_GLUE_PROTOCOLMESSAGEUTILS_H + +#include <stdint.h> +#include <string> +#include "base/string_util.h" +#include "chrome/common/ipc_channel.h" +#include "chrome/common/ipc_message_utils.h" +#include "ipc/EnumSerializer.h" +#include "mozilla/Assertions.h" +#include "mozilla/ipc/Endpoint.h" +#include "mozilla/ipc/ProtocolUtils.h" + +class PickleIterator; + +namespace mozilla::ipc { +class FileDescriptor; +template <class PFooSide> +class Endpoint; +template <class PFooSide> +class ManagedEndpoint; +template <typename P> +struct IPDLParamTraits; +} // namespace mozilla::ipc + +namespace IPC { + +class Message; +class MessageReader; +class MessageWriter; + +template <> +struct ParamTraits<Channel::Mode> + : ContiguousEnumSerializerInclusive<Channel::Mode, Channel::MODE_SERVER, + Channel::MODE_CLIENT> {}; + +template <> +struct ParamTraits<IPCMessageStart> + : ContiguousEnumSerializer<IPCMessageStart, IPCMessageStart(0), + LastMsgIndex> {}; + +template <> +struct ParamTraits<mozilla::ipc::ActorHandle> { + typedef mozilla::ipc::ActorHandle paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + IPC::WriteParam(aWriter, aParam.mId); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + int id; + if (IPC::ReadParam(aReader, &id)) { + aResult->mId = id; + return true; + } + return false; + } +}; + +template <> +struct ParamTraits<mozilla::ipc::UntypedEndpoint> { + using paramType = mozilla::ipc::UntypedEndpoint; + + static void Write(MessageWriter* aWriter, paramType&& aParam); + + static bool Read(MessageReader* aReader, paramType* aResult); +}; + +template <class PFooSide> +struct ParamTraits<mozilla::ipc::Endpoint<PFooSide>> + : ParamTraits<mozilla::ipc::UntypedEndpoint> {}; + +} // namespace IPC + +namespace mozilla::ipc { + +template <> +struct IPDLParamTraits<UntypedManagedEndpoint> { + using paramType = UntypedManagedEndpoint; + + static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor, + paramType&& aParam); + static bool Read(IPC::MessageReader* aReader, IProtocol* aActor, + paramType* aResult); +}; + +template <class PFooSide> +struct IPDLParamTraits<ManagedEndpoint<PFooSide>> { + using paramType = ManagedEndpoint<PFooSide>; + + static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor, + paramType&& aParam) { + IPDLParamTraits<UntypedManagedEndpoint>::Write(aWriter, aActor, + std::move(aParam)); + } + + static bool Read(IPC::MessageReader* aReader, IProtocol* aActor, + paramType* aResult) { + return IPDLParamTraits<UntypedManagedEndpoint>::Read(aReader, aActor, + aResult); + } +}; + +template <> +struct IPDLParamTraits<FileDescriptor> { + typedef FileDescriptor paramType; + + static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor, + const paramType& aParam); + static bool Read(IPC::MessageReader* aReader, IProtocol* aActor, + paramType* aResult); +}; +} // namespace mozilla::ipc + +#endif // IPC_GLUE_PROTOCOLMESSAGEUTILS_H |