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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/. */
#include <algorithm>
#include "TCPSocketChild.h"
#include "mozilla/Unused.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/dom/PBrowserChild.h"
#include "mozilla/dom/TabChild.h"
#include "nsITCPSocketCallback.h"
#include "TCPSocket.h"
#include "nsContentUtils.h"
#include "jsapi.h"
#include "jsfriendapi.h"
using mozilla::net::gNeckoChild;
namespace IPC {
bool
DeserializeArrayBuffer(JSContext* cx,
const InfallibleTArray<uint8_t>& aBuffer,
JS::MutableHandle<JS::Value> aVal)
{
mozilla::UniquePtr<uint8_t[], JS::FreePolicy> data(js_pod_malloc<uint8_t>(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 {
namespace 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)
: mHost(aHost)
, mPort(aPort)
{
}
void
TCPSocketChild::SendOpen(nsITCPSocketCallback* aSocket, bool aUseSSL, bool aUseArrayBuffers)
{
mSocket = aSocket;
AddIPDLReference();
gNeckoChild->SendPTCPSocketConstructor(this, mHost, mPort);
MOZ_ASSERT(mFilterName.IsEmpty()); // Currently nobody should use this
PTCPSocketChild::SendOpen(mHost, mPort, aUseSSL, aUseArrayBuffers);
}
void
TCPSocketChild::SendWindowlessOpenBind(nsITCPSocketCallback* aSocket,
const nsACString& aRemoteHost, uint16_t aRemotePort,
const nsACString& aLocalHost, uint16_t aLocalPort,
bool aUseSSL)
{
mSocket = aSocket;
AddIPDLReference();
gNeckoChild->SendPTCPSocketConstructor(this,
NS_ConvertUTF8toUTF16(aRemoteHost),
aRemotePort);
PTCPSocketChild::SendOpenBind(nsCString(aRemoteHost), aRemotePort,
nsCString(aLocalHost), aLocalPort,
aUseSSL, true, mFilterName);
}
void
TCPSocketChildBase::ReleaseIPDLReference()
{
MOZ_ASSERT(mIPCOpen);
mIPCOpen = false;
mSocket = nullptr;
this->Release();
}
void
TCPSocketChildBase::AddIPDLReference()
{
MOZ_ASSERT(!mIPCOpen);
mIPCOpen = true;
this->AddRef();
}
TCPSocketChild::~TCPSocketChild()
{
}
bool
TCPSocketChild::RecvUpdateBufferedAmount(const uint32_t& aBuffered,
const uint32_t& aTrackingNumber)
{
mSocket->UpdateBufferedAmount(aBuffered, aTrackingNumber);
return true;
}
bool
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 true;
}
void
TCPSocketChild::SendSend(const nsACString& aData, uint32_t aTrackingNumber)
{
SendData(nsCString(aData), aTrackingNumber);
}
nsresult
TCPSocketChild::SendSend(const ArrayBuffer& aData,
uint32_t aByteOffset,
uint32_t aByteLength,
uint32_t aTrackingNumber)
{
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;
}
InfallibleTArray<uint8_t> arr;
arr.SwapElements(fallibleArr);
SendData(arr, aTrackingNumber);
return NS_OK;
}
NS_IMETHODIMP
TCPSocketChild::SendSendArray(nsTArray<uint8_t>& aArray, uint32_t aTrackingNumber)
{
SendData(aArray, aTrackingNumber);
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;
}
nsresult
TCPSocketChild::SetFilterName(const nsACString& aFilterName)
{
if (!mFilterName.IsEmpty()) {
// filter name can only be set once.
return NS_ERROR_FAILURE;
}
mFilterName = aFilterName;
return NS_OK;
}
bool
TCPSocketChild::RecvRequestDelete()
{
mozilla::Unused << Send__delete__(this);
return true;
}
} // namespace dom
} // namespace mozilla
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