diff options
Diffstat (limited to 'dom/network/TCPSocketChild.cpp')
| -rw-r--r-- | dom/network/TCPSocketChild.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/dom/network/TCPSocketChild.cpp b/dom/network/TCPSocketChild.cpp new file mode 100644 index 0000000000..f1c4cf031b --- /dev/null +++ b/dom/network/TCPSocketChild.cpp @@ -0,0 +1,181 @@ +/* -*- 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/. */ + +#include <algorithm> +#include "TCPSocketChild.h" +#include "mozilla/HoldDropJSObjects.h" +#include "mozilla/Unused.h" +#include "mozilla/UniquePtr.h" +#include "mozilla/net/NeckoChild.h" +#include "mozilla/dom/PBrowserChild.h" +#include "mozilla/dom/BrowserChild.h" +#include "nsITCPSocketCallback.h" +#include "TCPSocket.h" +#include "nsContentUtils.h" +#include "js/ArrayBuffer.h" // JS::NewArrayBufferWithContents +#include "js/RootingAPI.h" // JS::MutableHandle +#include "js/Utility.h" // js::ArrayBufferContentsArena, JS::FreePolicy, js_pod_arena_malloc +#include "js/Value.h" // JS::Value + +using mozilla::net::gNeckoChild; + +namespace IPC { + +bool DeserializeArrayBuffer(JSContext* cx, const nsTArray<uint8_t>& aBuffer, + JS::MutableHandle<JS::Value> aVal) { + mozilla::UniquePtr<uint8_t[], JS::FreePolicy> data( + js_pod_arena_malloc<uint8_t>(js::ArrayBufferContentsArena, + aBuffer.Length())); + if (!data) return false; + memcpy(data.get(), aBuffer.Elements(), aBuffer.Length()); + + JSObject* obj = + JS::NewArrayBufferWithContents(cx, aBuffer.Length(), data.get()); + if (!obj) return false; + // If JS::NewArrayBufferWithContents returns non-null, the ownership of + // the data is transfered to obj, so we release the ownership here. + mozilla::Unused << data.release(); + + aVal.setObject(*obj); + return true; +} + +} // namespace IPC + +namespace mozilla::dom { + +NS_IMPL_CYCLE_COLLECTION_CLASS(TCPSocketChildBase) + +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(TCPSocketChildBase) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocket) +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END + +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(TCPSocketChildBase) + NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocket) +NS_IMPL_CYCLE_COLLECTION_UNLINK_END + +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(TCPSocketChildBase) +NS_IMPL_CYCLE_COLLECTION_TRACE_END + +NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPSocketChildBase) +NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPSocketChildBase) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPSocketChildBase) + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +TCPSocketChildBase::TCPSocketChildBase() : mIPCOpen(false) { + mozilla::HoldJSObjects(this); +} + +TCPSocketChildBase::~TCPSocketChildBase() { mozilla::DropJSObjects(this); } + +NS_IMETHODIMP_(MozExternalRefCountType) TCPSocketChild::Release(void) { + nsrefcnt refcnt = TCPSocketChildBase::Release(); + if (refcnt == 1 && mIPCOpen) { + PTCPSocketChild::SendRequestDelete(); + return 1; + } + return refcnt; +} + +TCPSocketChild::TCPSocketChild(const nsAString& aHost, const uint16_t& aPort, + nsISerialEventTarget* aTarget) + : mHost(aHost), mPort(aPort), mIPCEventTarget(aTarget) {} + +void TCPSocketChild::SendOpen(nsITCPSocketCallback* aSocket, bool aUseSSL, + bool aUseArrayBuffers) { + mSocket = aSocket; + + if (mIPCEventTarget) { + gNeckoChild->SetEventTargetForActor(this, mIPCEventTarget); + } + + AddIPDLReference(); + gNeckoChild->SendPTCPSocketConstructor(this, mHost, mPort); + PTCPSocketChild::SendOpen(mHost, mPort, aUseSSL, aUseArrayBuffers); +} + +void TCPSocketChildBase::ReleaseIPDLReference() { + MOZ_ASSERT(mIPCOpen); + mIPCOpen = false; + mSocket = nullptr; + this->Release(); +} + +void TCPSocketChildBase::AddIPDLReference() { + MOZ_ASSERT(!mIPCOpen); + mIPCOpen = true; + this->AddRef(); +} + +TCPSocketChild::~TCPSocketChild() = default; + +mozilla::ipc::IPCResult TCPSocketChild::RecvUpdateBufferedAmount( + const uint32_t& aBuffered, const uint32_t& aTrackingNumber) { + mSocket->UpdateBufferedAmount(aBuffered, aTrackingNumber); + return IPC_OK(); +} + +mozilla::ipc::IPCResult TCPSocketChild::RecvCallback( + const nsString& aType, const CallbackData& aData, + const uint32_t& aReadyState) { + mSocket->UpdateReadyState(aReadyState); + + if (aData.type() == CallbackData::Tvoid_t) { + mSocket->FireEvent(aType); + + } else if (aData.type() == CallbackData::TTCPError) { + const TCPError& err(aData.get_TCPError()); + mSocket->FireErrorEvent(err.name(), err.message()); + + } else if (aData.type() == CallbackData::TSendableData) { + const SendableData& data = aData.get_SendableData(); + + if (data.type() == SendableData::TArrayOfuint8_t) { + mSocket->FireDataArrayEvent(aType, data.get_ArrayOfuint8_t()); + } else if (data.type() == SendableData::TnsCString) { + mSocket->FireDataStringEvent(aType, data.get_nsCString()); + } else { + MOZ_CRASH("Invalid callback data type!"); + } + } else { + MOZ_CRASH("Invalid callback type!"); + } + return IPC_OK(); +} + +void TCPSocketChild::SendSend(const nsACString& aData) { + SendData(nsCString(aData)); +} + +nsresult TCPSocketChild::SendSend(const ArrayBuffer& aData, + uint32_t aByteOffset, uint32_t aByteLength) { + uint32_t buflen = aData.Length(); + uint32_t offset = std::min(buflen, aByteOffset); + uint32_t nbytes = std::min(buflen - aByteOffset, aByteLength); + FallibleTArray<uint8_t> fallibleArr; + if (!fallibleArr.InsertElementsAt(0, aData.Data() + offset, nbytes, + fallible)) { + return NS_ERROR_OUT_OF_MEMORY; + } + + SendData(SendableData{std::move(fallibleArr)}); + return NS_OK; +} + +void TCPSocketChild::SetSocket(TCPSocket* aSocket) { mSocket = aSocket; } + +void TCPSocketChild::GetHost(nsAString& aHost) { aHost = mHost; } + +void TCPSocketChild::GetPort(uint16_t* aPort) { *aPort = mPort; } + +mozilla::ipc::IPCResult TCPSocketChild::RecvRequestDelete() { + mozilla::Unused << Send__delete__(this); + return IPC_OK(); +} + +} // namespace mozilla::dom |