mirror of
https://github.com/mozilla/gecko-dev.git
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c5fb688d6a
Differential Revision: https://phabricator.services.mozilla.com/D36947 --HG-- extra : moz-landing-system : lando
224 lines
7.2 KiB
C++
224 lines
7.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <algorithm>
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#include "TCPSocketChild.h"
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#include "mozilla/Unused.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/net/NeckoChild.h"
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#include "mozilla/dom/PBrowserChild.h"
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#include "mozilla/dom/BrowserChild.h"
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#include "nsITCPSocketCallback.h"
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#include "TCPSocket.h"
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#include "nsContentUtils.h"
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#include "js/ArrayBuffer.h" // JS::NewArrayBufferWithContents
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#include "js/RootingAPI.h" // JS::MutableHandle
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#include "js/Utility.h" // js::ArrayBufferContentsArena, JS::FreePolicy, js_pod_arena_malloc
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#include "js/Value.h" // JS::Value
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using mozilla::net::gNeckoChild;
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namespace IPC {
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bool DeserializeArrayBuffer(JSContext* cx, const nsTArray<uint8_t>& aBuffer,
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JS::MutableHandle<JS::Value> aVal) {
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mozilla::UniquePtr<uint8_t[], JS::FreePolicy> data(
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js_pod_arena_malloc<uint8_t>(js::ArrayBufferContentsArena,
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aBuffer.Length()));
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if (!data) return false;
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memcpy(data.get(), aBuffer.Elements(), aBuffer.Length());
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JSObject* obj =
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JS::NewArrayBufferWithContents(cx, aBuffer.Length(), data.get());
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if (!obj) return false;
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// If JS::NewArrayBufferWithContents returns non-null, the ownership of
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// the data is transfered to obj, so we release the ownership here.
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mozilla::Unused << data.release();
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aVal.setObject(*obj);
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return true;
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}
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} // namespace IPC
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(TCPSocketChildBase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(TCPSocketChildBase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocket)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(TCPSocketChildBase)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocket)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(TCPSocketChildBase)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPSocketChildBase)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPSocketChildBase)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPSocketChildBase)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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TCPSocketChildBase::TCPSocketChildBase() : mIPCOpen(false) {
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mozilla::HoldJSObjects(this);
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}
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TCPSocketChildBase::~TCPSocketChildBase() { mozilla::DropJSObjects(this); }
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NS_IMETHODIMP_(MozExternalRefCountType) TCPSocketChild::Release(void) {
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nsrefcnt refcnt = TCPSocketChildBase::Release();
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if (refcnt == 1 && mIPCOpen) {
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PTCPSocketChild::SendRequestDelete();
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return 1;
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}
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return refcnt;
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}
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TCPSocketChild::TCPSocketChild(const nsAString& aHost, const uint16_t& aPort,
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nsIEventTarget* aTarget)
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: mHost(aHost), mPort(aPort), mIPCEventTarget(aTarget) {}
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void TCPSocketChild::SendOpen(nsITCPSocketCallback* aSocket, bool aUseSSL,
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bool aUseArrayBuffers) {
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mSocket = aSocket;
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if (mIPCEventTarget) {
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gNeckoChild->SetEventTargetForActor(this, mIPCEventTarget);
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}
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AddIPDLReference();
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gNeckoChild->SendPTCPSocketConstructor(this, mHost, mPort);
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MOZ_ASSERT(mFilterName.IsEmpty()); // Currently nobody should use this
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PTCPSocketChild::SendOpen(mHost, mPort, aUseSSL, aUseArrayBuffers);
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}
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void TCPSocketChild::SendWindowlessOpenBind(nsITCPSocketCallback* aSocket,
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const nsACString& aRemoteHost,
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uint16_t aRemotePort,
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const nsACString& aLocalHost,
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uint16_t aLocalPort, bool aUseSSL,
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bool aReuseAddrPort) {
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mSocket = aSocket;
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if (mIPCEventTarget) {
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gNeckoChild->SetEventTargetForActor(this, mIPCEventTarget);
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}
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AddIPDLReference();
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gNeckoChild->SendPTCPSocketConstructor(
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this, NS_ConvertUTF8toUTF16(aRemoteHost), aRemotePort);
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PTCPSocketChild::SendOpenBind(nsCString(aRemoteHost), aRemotePort,
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nsCString(aLocalHost), aLocalPort, aUseSSL,
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aReuseAddrPort, true, mFilterName);
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}
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void TCPSocketChildBase::ReleaseIPDLReference() {
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MOZ_ASSERT(mIPCOpen);
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mIPCOpen = false;
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mSocket = nullptr;
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this->Release();
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}
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void TCPSocketChildBase::AddIPDLReference() {
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MOZ_ASSERT(!mIPCOpen);
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mIPCOpen = true;
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this->AddRef();
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}
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TCPSocketChild::~TCPSocketChild() {}
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mozilla::ipc::IPCResult TCPSocketChild::RecvUpdateBufferedAmount(
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const uint32_t& aBuffered, const uint32_t& aTrackingNumber) {
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mSocket->UpdateBufferedAmount(aBuffered, aTrackingNumber);
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return IPC_OK();
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}
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mozilla::ipc::IPCResult TCPSocketChild::RecvCallback(
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const nsString& aType, const CallbackData& aData,
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const uint32_t& aReadyState) {
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mSocket->UpdateReadyState(aReadyState);
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if (aData.type() == CallbackData::Tvoid_t) {
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mSocket->FireEvent(aType);
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} else if (aData.type() == CallbackData::TTCPError) {
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const TCPError& err(aData.get_TCPError());
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mSocket->FireErrorEvent(err.name(), err.message());
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} else if (aData.type() == CallbackData::TSendableData) {
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const SendableData& data = aData.get_SendableData();
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if (data.type() == SendableData::TArrayOfuint8_t) {
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mSocket->FireDataArrayEvent(aType, data.get_ArrayOfuint8_t());
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} else if (data.type() == SendableData::TnsCString) {
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mSocket->FireDataStringEvent(aType, data.get_nsCString());
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} else {
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MOZ_CRASH("Invalid callback data type!");
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}
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} else {
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MOZ_CRASH("Invalid callback type!");
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}
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return IPC_OK();
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}
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void TCPSocketChild::SendSend(const nsACString& aData,
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uint32_t aTrackingNumber) {
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SendData(nsCString(aData), aTrackingNumber);
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}
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nsresult TCPSocketChild::SendSend(const ArrayBuffer& aData,
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uint32_t aByteOffset, uint32_t aByteLength,
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uint32_t aTrackingNumber) {
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uint32_t buflen = aData.Length();
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uint32_t offset = std::min(buflen, aByteOffset);
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uint32_t nbytes = std::min(buflen - aByteOffset, aByteLength);
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FallibleTArray<uint8_t> fallibleArr;
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if (!fallibleArr.InsertElementsAt(0, aData.Data() + offset, nbytes,
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fallible)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsTArray<uint8_t> arr;
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arr.SwapElements(fallibleArr);
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SendData(arr, aTrackingNumber);
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return NS_OK;
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}
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NS_IMETHODIMP
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TCPSocketChild::SendSendArray(nsTArray<uint8_t>& aArray,
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uint32_t aTrackingNumber) {
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SendData(aArray, aTrackingNumber);
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return NS_OK;
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}
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void TCPSocketChild::SetSocket(TCPSocket* aSocket) { mSocket = aSocket; }
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void TCPSocketChild::GetHost(nsAString& aHost) { aHost = mHost; }
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void TCPSocketChild::GetPort(uint16_t* aPort) { *aPort = mPort; }
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nsresult TCPSocketChild::SetFilterName(const nsACString& aFilterName) {
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if (!mFilterName.IsEmpty()) {
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// filter name can only be set once.
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return NS_ERROR_FAILURE;
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}
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mFilterName = aFilterName;
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return NS_OK;
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}
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mozilla::ipc::IPCResult TCPSocketChild::RecvRequestDelete() {
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mozilla::Unused << Send__delete__(this);
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return IPC_OK();
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}
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} // namespace dom
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} // namespace mozilla
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