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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "SimpleChannel.h"
#include "nsBaseChannel.h"
#include "nsIChannel.h"
#include "nsIChildChannel.h"
#include "nsICancelable.h"
#include "nsIInputStream.h"
#include "nsIRequest.h"
#include "nsISupportsImpl.h"
#include "nsNetUtil.h"
#include "mozilla/Try.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/net/PSimpleChannelChild.h"
namespace mozilla {
namespace net {
SimpleChannel::SimpleChannel(UniquePtr<SimpleChannelCallbacks>&& aCallbacks)
: mCallbacks(std::move(aCallbacks)) {
EnableSynthesizedProgressEvents(true);
}
nsresult SimpleChannel::OpenContentStream(bool async,
nsIInputStream** streamOut,
nsIChannel** channel) {
NS_ENSURE_TRUE(mCallbacks, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIInputStream> stream;
MOZ_TRY_VAR(stream, mCallbacks->OpenContentStream(async, this));
MOZ_ASSERT(stream);
mCallbacks = nullptr;
*channel = nullptr;
stream.forget(streamOut);
return NS_OK;
}
nsresult SimpleChannel::BeginAsyncRead(nsIStreamListener* listener,
nsIRequest** request,
nsICancelable** cancelableRequest) {
NS_ENSURE_TRUE(mCallbacks, NS_ERROR_UNEXPECTED);
RequestOrReason res = mCallbacks->StartAsyncRead(listener, this);
if (res.isErr()) {
return res.propagateErr();
}
mCallbacks = nullptr;
RequestOrCancelable value = res.unwrap();
if (value.is<NotNullRequest>()) {
nsCOMPtr<nsIRequest> req = value.as<NotNullRequest>().get();
req.forget(request);
} else if (value.is<NotNullCancelable>()) {
nsCOMPtr<nsICancelable> cancelable = value.as<NotNullCancelable>().get();
cancelable.forget(cancelableRequest);
} else {
MOZ_ASSERT_UNREACHABLE(
"StartAsyncRead didn't return a NotNull nsIRequest or nsICancelable.");
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
NS_IMPL_ISUPPORTS_INHERITED(SimpleChannelChild, SimpleChannel, nsIChildChannel)
SimpleChannelChild::SimpleChannelChild(
UniquePtr<SimpleChannelCallbacks>&& aCallbacks)
: SimpleChannel(std::move(aCallbacks)) {}
NS_IMETHODIMP
SimpleChannelChild::ConnectParent(uint32_t aId) {
MOZ_ASSERT(NS_IsMainThread());
mozilla::dom::ContentChild* cc =
static_cast<mozilla::dom::ContentChild*>(gNeckoChild->Manager());
if (cc->IsShuttingDown()) {
return NS_ERROR_FAILURE;
}
// Reference freed in DeallocPSimpleChannelChild.
if (!gNeckoChild->SendPSimpleChannelConstructor(do_AddRef(this).take(),
aId)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
SimpleChannelChild::CompleteRedirectSetup(nsIStreamListener* aListener) {
if (CanSend()) {
MOZ_ASSERT(NS_IsMainThread());
}
nsresult rv;
rv = AsyncOpen(aListener);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (CanSend()) {
Unused << Send__delete__(this);
}
return NS_OK;
}
already_AddRefed<nsIChannel> NS_NewSimpleChannelInternal(
nsIURI* aURI, nsILoadInfo* aLoadInfo,
UniquePtr<SimpleChannelCallbacks>&& aCallbacks) {
RefPtr<SimpleChannel> chan;
if (IsNeckoChild()) {
chan = new SimpleChannelChild(std::move(aCallbacks));
} else {
chan = new SimpleChannel(std::move(aCallbacks));
}
chan->SetURI(aURI);
MOZ_ALWAYS_SUCCEEDS(chan->SetLoadInfo(aLoadInfo));
return chan.forget();
}
} // namespace net
} // namespace mozilla
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