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-rw-r--r--netwerk/base/SimpleChannel.cpp136
1 files changed, 136 insertions, 0 deletions
diff --git a/netwerk/base/SimpleChannel.cpp b/netwerk/base/SimpleChannel.cpp
new file mode 100644
index 0000000000..07d54c5f4e
--- /dev/null
+++ b/netwerk/base/SimpleChannel.cpp
@@ -0,0 +1,136 @@
+/* -*- 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/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