зеркало из https://github.com/mozilla/pjs.git
335 строки
8.7 KiB
C++
335 строки
8.7 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Firefox.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* the Mozilla Foundation <http://www.mozilla.org>.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "mozilla/jetpack/JetpackParent.h"
|
|
#include "mozilla/jetpack/Handle.h"
|
|
#include "base/process_util.h"
|
|
|
|
#include "nsIURI.h"
|
|
#include "nsNetUtil.h"
|
|
#include "nsIVariant.h"
|
|
#include "nsIXPConnect.h"
|
|
#include "nsIJSContextStack.h"
|
|
|
|
#ifdef MOZ_CRASHREPORTER
|
|
#include "nsExceptionHandler.h"
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace jetpack {
|
|
|
|
JetpackParent::JetpackParent(JSContext* cx)
|
|
: mSubprocess(new JetpackProcessParent())
|
|
, mContext(cx)
|
|
, mTaskFactory(this)
|
|
{
|
|
mSubprocess->Launch();
|
|
Open(mSubprocess->GetChannel(),
|
|
mSubprocess->GetChildProcessHandle());
|
|
}
|
|
|
|
JetpackParent::~JetpackParent()
|
|
{
|
|
if (mSubprocess)
|
|
Destroy();
|
|
|
|
if (OtherProcess())
|
|
base::CloseProcessHandle(OtherProcess());
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS1(JetpackParent, nsIJetpack)
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::SendMessage(const nsAString& aMessageName)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID(), &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsAXPCNativeCallContext* ncc = NULL;
|
|
rv = xpc->GetCurrentNativeCallContext(&ncc);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
JSContext* cx;
|
|
rv = ncc->GetJSContext(&cx);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
PRUint32 argc;
|
|
rv = ncc->GetArgc(&argc);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
jsval* argv;
|
|
rv = ncc->GetArgvPtr(&argv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsTArray<Variant> data;
|
|
NS_ENSURE_TRUE(data.SetCapacity(argc), NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
JSAutoRequest request(cx);
|
|
|
|
JSAutoEnterCompartment ac;
|
|
if (!ac.enter(cx, JS_GetGlobalObject(cx)))
|
|
return false;
|
|
|
|
for (PRUint32 i = 1; i < argc; ++i) {
|
|
if (!JS_WrapValue(cx, &argv[i]) ||
|
|
!jsval_to_Variant(cx, argv[i], data.AppendElement())) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
}
|
|
|
|
InfallibleTArray<Variant> dataForSend;
|
|
dataForSend.SwapElements(data);
|
|
if (!SendSendMessage(nsString(aMessageName), dataForSend))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::RegisterReceiver(const nsAString& aMessageName,
|
|
const jsval &aReceiver)
|
|
{
|
|
return JetpackActorCommon::RegisterReceiver(mContext,
|
|
nsString(aMessageName),
|
|
aReceiver);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::UnregisterReceiver(const nsAString& aMessageName,
|
|
const jsval &aReceiver)
|
|
{
|
|
JetpackActorCommon::UnregisterReceiver(nsString(aMessageName),
|
|
aReceiver);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::UnregisterReceivers(const nsAString& aMessageName)
|
|
{
|
|
JetpackActorCommon::UnregisterReceivers(nsString(aMessageName));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::EvalScript(const nsAString& aScript)
|
|
{
|
|
if (!SendEvalScript(nsString(aScript)))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
class AutoCXPusher
|
|
{
|
|
public:
|
|
AutoCXPusher(JSContext* cx)
|
|
: mCXStack(do_GetService("@mozilla.org/js/xpc/ContextStack;1"))
|
|
{
|
|
NS_ASSERTION(mCXStack, "No JS context stack?");
|
|
if (mCXStack)
|
|
mCXStack->Push(cx);
|
|
}
|
|
~AutoCXPusher()
|
|
{
|
|
if (mCXStack)
|
|
mCXStack->Pop(NULL);
|
|
}
|
|
|
|
private:
|
|
nsCOMPtr<nsIJSContextStack> mCXStack;
|
|
};
|
|
|
|
// We have to delete the JetpackProcessParent on the I/O thread after event
|
|
// loop iteration in which JetpackParent::ActorDestroy runs is finished.
|
|
static void
|
|
DelayedDestroyProcess(JetpackProcessParent* o)
|
|
{
|
|
XRE_GetIOMessageLoop()
|
|
->PostTask(FROM_HERE, new DeleteTask<JetpackProcessParent>(o));
|
|
}
|
|
|
|
void
|
|
JetpackParent::ActorDestroy(ActorDestroyReason why)
|
|
{
|
|
switch (why) {
|
|
case AbnormalShutdown: {
|
|
nsAutoString dumpID;
|
|
|
|
#ifdef MOZ_CRASHREPORTER
|
|
nsCOMPtr<nsILocalFile> crashDump;
|
|
TakeMinidump(getter_AddRefs(crashDump)) &&
|
|
CrashReporter::GetIDFromMinidump(crashDump, dumpID);
|
|
#endif
|
|
|
|
MessageLoop::current()->
|
|
PostTask(FROM_HERE,
|
|
mTaskFactory.NewRunnableMethod(
|
|
&JetpackParent::DispatchFailureMessage,
|
|
dumpID));
|
|
break;
|
|
}
|
|
|
|
case NormalShutdown:
|
|
break;
|
|
|
|
default:
|
|
NS_ERROR("Unexpected actordestroy reason for toplevel actor.");
|
|
}
|
|
|
|
MessageLoop::current()->
|
|
PostTask(FROM_HERE, NewRunnableFunction(DelayedDestroyProcess, mSubprocess));
|
|
mSubprocess = NULL;
|
|
}
|
|
|
|
bool
|
|
JetpackParent::RecvSendMessage(const nsString& messageName,
|
|
const InfallibleTArray<Variant>& data)
|
|
{
|
|
AutoCXPusher cxp(mContext);
|
|
JSAutoRequest request(mContext);
|
|
|
|
JSAutoEnterCompartment ac;
|
|
if (!ac.enter(mContext, JS_GetGlobalObject(mContext)))
|
|
return false;
|
|
|
|
return JetpackActorCommon::RecvMessage(mContext, messageName, data, NULL);
|
|
}
|
|
|
|
bool
|
|
JetpackParent::AnswerCallMessage(const nsString& messageName,
|
|
const InfallibleTArray<Variant>& data,
|
|
InfallibleTArray<Variant>* results)
|
|
{
|
|
AutoCXPusher cxp(mContext);
|
|
JSAutoRequest request(mContext);
|
|
|
|
JSAutoEnterCompartment ac;
|
|
if (!ac.enter(mContext, JS_GetGlobalObject(mContext)))
|
|
return false;
|
|
|
|
return JetpackActorCommon::RecvMessage(mContext, messageName, data, results);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::CreateHandle(nsIVariant** aResult)
|
|
{
|
|
HandleParent* handle =
|
|
static_cast<HandleParent*>(SendPHandleConstructor());
|
|
NS_ENSURE_TRUE(handle, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID(), &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
JSAutoRequest request(mContext);
|
|
|
|
JSAutoEnterCompartment ac;
|
|
if (!ac.enter(mContext, JS_GetGlobalObject(mContext)))
|
|
return false;
|
|
|
|
JSObject* hobj = handle->ToJSObject(mContext);
|
|
if (!hobj)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return xpc->JSToVariant(mContext, OBJECT_TO_JSVAL(hobj), aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
JetpackParent::Destroy()
|
|
{
|
|
if (mSubprocess)
|
|
Close();
|
|
|
|
NS_ASSERTION(!mSubprocess, "ActorDestroy should have been called.");
|
|
|
|
ClearReceivers();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PHandleParent*
|
|
JetpackParent::AllocPHandle()
|
|
{
|
|
return new HandleParent();
|
|
}
|
|
|
|
bool
|
|
JetpackParent::DeallocPHandle(PHandleParent* actor)
|
|
{
|
|
delete actor;
|
|
return true;
|
|
}
|
|
|
|
void
|
|
JetpackParent::OnChannelConnected(int32 pid)
|
|
{
|
|
ProcessHandle handle;
|
|
if (!base::OpenPrivilegedProcessHandle(pid, &handle))
|
|
NS_RUNTIMEABORT("can't open handle to child process");
|
|
|
|
SetOtherProcess(handle);
|
|
}
|
|
|
|
void
|
|
JetpackParent::DispatchFailureMessage(const nsString& aDumpID)
|
|
{
|
|
#ifdef MOZ_CRASHREPORTER
|
|
CrashReporter::AnnotationTable notes;
|
|
notes.Init();
|
|
notes.Put(NS_LITERAL_CSTRING("ProcessType"), NS_LITERAL_CSTRING("jetpack"));
|
|
// TODO: Additional per-process annotations.
|
|
CrashReporter::AppendExtraData(aDumpID, notes);
|
|
#endif
|
|
|
|
InfallibleTArray<KeyValue> keyvalues;
|
|
if (!aDumpID.IsEmpty()) {
|
|
KeyValue kv(NS_LITERAL_STRING("dumpID"), PrimVariant(aDumpID));
|
|
keyvalues.AppendElement(kv);
|
|
}
|
|
|
|
CompVariant object(keyvalues);
|
|
|
|
InfallibleTArray<Variant> arguments;
|
|
arguments.AppendElement(object);
|
|
|
|
RecvSendMessage(NS_LITERAL_STRING("core:process-error"), arguments);
|
|
}
|
|
|
|
} // namespace jetpack
|
|
} // namespace mozilla
|