gecko-dev/netwerk/protocol/websocket/WebSocketChannelChild.cpp

412 lines
9.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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 "WebSocketLog.h"
#include "base/compiler_specific.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/net/NeckoChild.h"
#include "WebSocketChannelChild.h"
#include "nsITabChild.h"
#include "nsILoadContext.h"
#include "nsNetUtil.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "mozilla/ipc/URIUtils.h"
using namespace mozilla::ipc;
namespace mozilla {
namespace net {
NS_IMPL_ADDREF(WebSocketChannelChild)
NS_IMETHODIMP_(nsrefcnt) WebSocketChannelChild::Release()
{
NS_PRECONDITION(0 != mRefCnt, "dup release");
NS_ASSERT_OWNINGTHREAD(WebSocketChannelChild);
--mRefCnt;
NS_LOG_RELEASE(this, mRefCnt, "WebSocketChannelChild");
if (mRefCnt == 1 && mIPCOpen) {
SendDeleteSelf();
return mRefCnt;
}
if (mRefCnt == 0) {
mRefCnt = 1; /* stabilize */
delete this;
return 0;
}
return mRefCnt;
}
NS_INTERFACE_MAP_BEGIN(WebSocketChannelChild)
NS_INTERFACE_MAP_ENTRY(nsIWebSocketChannel)
NS_INTERFACE_MAP_ENTRY(nsIProtocolHandler)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebSocketChannel)
NS_INTERFACE_MAP_END
WebSocketChannelChild::WebSocketChannelChild(bool aSecure)
: ALLOW_THIS_IN_INITIALIZER_LIST(mEventQ(static_cast<nsIWebSocketChannel*>(this)))
, mIPCOpen(false)
{
LOG(("WebSocketChannelChild::WebSocketChannelChild() %p\n", this));
BaseWebSocketChannel::mEncrypted = aSecure;
}
WebSocketChannelChild::~WebSocketChannelChild()
{
LOG(("WebSocketChannelChild::~WebSocketChannelChild() %p\n", this));
}
void
WebSocketChannelChild::AddIPDLReference()
{
NS_ABORT_IF_FALSE(!mIPCOpen, "Attempt to retain more than one IPDL reference");
mIPCOpen = true;
AddRef();
}
void
WebSocketChannelChild::ReleaseIPDLReference()
{
NS_ABORT_IF_FALSE(mIPCOpen, "Attempt to release nonexistent IPDL reference");
mIPCOpen = false;
Release();
}
class StartEvent : public ChannelEvent
{
public:
StartEvent(WebSocketChannelChild* aChild,
const nsCString& aProtocol,
const nsCString& aExtensions)
: mChild(aChild)
, mProtocol(aProtocol)
, mExtensions(aExtensions)
{}
void Run()
{
mChild->OnStart(mProtocol, mExtensions);
}
private:
WebSocketChannelChild* mChild;
nsCString mProtocol;
nsCString mExtensions;
};
bool
WebSocketChannelChild::RecvOnStart(const nsCString& aProtocol,
const nsCString& aExtensions)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new StartEvent(this, aProtocol, aExtensions));
} else {
OnStart(aProtocol, aExtensions);
}
return true;
}
void
WebSocketChannelChild::OnStart(const nsCString& aProtocol,
const nsCString& aExtensions)
{
LOG(("WebSocketChannelChild::RecvOnStart() %p\n", this));
SetProtocol(aProtocol);
mNegotiatedExtensions = aExtensions;
if (mListener) {
AutoEventEnqueuer ensureSerialDispatch(mEventQ);;
mListener->OnStart(mContext);
}
}
class StopEvent : public ChannelEvent
{
public:
StopEvent(WebSocketChannelChild* aChild,
const nsresult& aStatusCode)
: mChild(aChild)
, mStatusCode(aStatusCode)
{}
void Run()
{
mChild->OnStop(mStatusCode);
}
private:
WebSocketChannelChild* mChild;
nsresult mStatusCode;
};
bool
WebSocketChannelChild::RecvOnStop(const nsresult& aStatusCode)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new StopEvent(this, aStatusCode));
} else {
OnStop(aStatusCode);
}
return true;
}
void
WebSocketChannelChild::OnStop(const nsresult& aStatusCode)
{
LOG(("WebSocketChannelChild::RecvOnStop() %p\n", this));
if (mListener) {
AutoEventEnqueuer ensureSerialDispatch(mEventQ);;
mListener->OnStop(mContext, aStatusCode);
}
}
class MessageEvent : public ChannelEvent
{
public:
MessageEvent(WebSocketChannelChild* aChild,
const nsCString& aMessage,
bool aBinary)
: mChild(aChild)
, mMessage(aMessage)
, mBinary(aBinary)
{}
void Run()
{
if (!mBinary) {
mChild->OnMessageAvailable(mMessage);
} else {
mChild->OnBinaryMessageAvailable(mMessage);
}
}
private:
WebSocketChannelChild* mChild;
nsCString mMessage;
bool mBinary;
};
bool
WebSocketChannelChild::RecvOnMessageAvailable(const nsCString& aMsg)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new MessageEvent(this, aMsg, false));
} else {
OnMessageAvailable(aMsg);
}
return true;
}
void
WebSocketChannelChild::OnMessageAvailable(const nsCString& aMsg)
{
LOG(("WebSocketChannelChild::RecvOnMessageAvailable() %p\n", this));
if (mListener) {
AutoEventEnqueuer ensureSerialDispatch(mEventQ);;
mListener->OnMessageAvailable(mContext, aMsg);
}
}
bool
WebSocketChannelChild::RecvOnBinaryMessageAvailable(const nsCString& aMsg)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new MessageEvent(this, aMsg, true));
} else {
OnBinaryMessageAvailable(aMsg);
}
return true;
}
void
WebSocketChannelChild::OnBinaryMessageAvailable(const nsCString& aMsg)
{
LOG(("WebSocketChannelChild::RecvOnBinaryMessageAvailable() %p\n", this));
if (mListener) {
AutoEventEnqueuer ensureSerialDispatch(mEventQ);;
mListener->OnBinaryMessageAvailable(mContext, aMsg);
}
}
class AcknowledgeEvent : public ChannelEvent
{
public:
AcknowledgeEvent(WebSocketChannelChild* aChild,
const uint32_t& aSize)
: mChild(aChild)
, mSize(aSize)
{}
void Run()
{
mChild->OnAcknowledge(mSize);
}
private:
WebSocketChannelChild* mChild;
uint32_t mSize;
};
bool
WebSocketChannelChild::RecvOnAcknowledge(const uint32_t& aSize)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new AcknowledgeEvent(this, aSize));
} else {
OnAcknowledge(aSize);
}
return true;
}
void
WebSocketChannelChild::OnAcknowledge(const uint32_t& aSize)
{
LOG(("WebSocketChannelChild::RecvOnAcknowledge() %p\n", this));
if (mListener) {
AutoEventEnqueuer ensureSerialDispatch(mEventQ);;
mListener->OnAcknowledge(mContext, aSize);
}
}
class ServerCloseEvent : public ChannelEvent
{
public:
ServerCloseEvent(WebSocketChannelChild* aChild,
const uint16_t aCode,
const nsCString &aReason)
: mChild(aChild)
, mCode(aCode)
, mReason(aReason)
{}
void Run()
{
mChild->OnServerClose(mCode, mReason);
}
private:
WebSocketChannelChild* mChild;
uint16_t mCode;
nsCString mReason;
};
bool
WebSocketChannelChild::RecvOnServerClose(const uint16_t& aCode,
const nsCString& aReason)
{
if (mEventQ.ShouldEnqueue()) {
mEventQ.Enqueue(new ServerCloseEvent(this, aCode, aReason));
} else {
OnServerClose(aCode, aReason);
}
return true;
}
void
WebSocketChannelChild::OnServerClose(const uint16_t& aCode,
const nsCString& aReason)
{
LOG(("WebSocketChannelChild::RecvOnServerClose() %p\n", this));
if (mListener) {
AutoEventEnqueuer ensureSerialDispatch(mEventQ);;
mListener->OnServerClose(mContext, aCode, aReason);
}
}
NS_IMETHODIMP
WebSocketChannelChild::AsyncOpen(nsIURI *aURI,
const nsACString &aOrigin,
nsIWebSocketListener *aListener,
nsISupports *aContext)
{
LOG(("WebSocketChannelChild::AsyncOpen() %p\n", this));
NS_ABORT_IF_FALSE(aURI && aListener && !mListener,
"Invalid state for WebSocketChannelChild::AsyncOpen");
mozilla::dom::TabChild* tabChild = nullptr;
nsCOMPtr<nsITabChild> iTabChild;
NS_QueryNotificationCallbacks(mCallbacks, mLoadGroup,
NS_GET_IID(nsITabChild),
getter_AddRefs(iTabChild));
if (iTabChild) {
tabChild = static_cast<mozilla::dom::TabChild*>(iTabChild.get());
}
if (MissingRequiredTabChild(tabChild, "websocket")) {
return NS_ERROR_ILLEGAL_VALUE;
}
URIParams uri;
SerializeURI(aURI, uri);
// Corresponding release in DeallocPWebSocket
AddIPDLReference();
gNeckoChild->SendPWebSocketConstructor(this, tabChild,
IPC::SerializedLoadContext(this));
if (!SendAsyncOpen(uri, nsCString(aOrigin), mProtocol, mEncrypted))
return NS_ERROR_UNEXPECTED;
mOriginalURI = aURI;
mURI = mOriginalURI;
mListener = aListener;
mContext = aContext;
mOrigin = aOrigin;
return NS_OK;
}
NS_IMETHODIMP
WebSocketChannelChild::Close(uint16_t code, const nsACString & reason)
{
LOG(("WebSocketChannelChild::Close() %p\n", this));
if (!mIPCOpen || !SendClose(code, nsCString(reason)))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
NS_IMETHODIMP
WebSocketChannelChild::SendMsg(const nsACString &aMsg)
{
LOG(("WebSocketChannelChild::SendMsg() %p\n", this));
if (!mIPCOpen || !SendSendMsg(nsCString(aMsg)))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
NS_IMETHODIMP
WebSocketChannelChild::SendBinaryMsg(const nsACString &aMsg)
{
LOG(("WebSocketChannelChild::SendBinaryMsg() %p\n", this));
if (!mIPCOpen || !SendSendBinaryMsg(nsCString(aMsg)))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
NS_IMETHODIMP
WebSocketChannelChild::SendBinaryStream(nsIInputStream *aStream,
uint32_t aLength)
{
LOG(("WebSocketChannelChild::SendBinaryStream() %p\n", this));
OptionalInputStreamParams stream;
SerializeInputStream(aStream, stream);
if (!mIPCOpen || !SendSendBinaryStream(stream, aLength))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
NS_IMETHODIMP
WebSocketChannelChild::GetSecurityInfo(nsISupports **aSecurityInfo)
{
LOG(("WebSocketChannelChild::GetSecurityInfo() %p\n", this));
return NS_ERROR_NOT_AVAILABLE;
}
} // namespace net
} // namespace mozilla