summaryrefslogtreecommitdiffstats
path: root/netwerk/ipc/NeckoCommon.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--netwerk/ipc/NeckoCommon.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/netwerk/ipc/NeckoCommon.cpp b/netwerk/ipc/NeckoCommon.cpp
new file mode 100644
index 0000000000..c08faa5747
--- /dev/null
+++ b/netwerk/ipc/NeckoCommon.cpp
@@ -0,0 +1,70 @@
+/* -*- 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 "NeckoCommon.h"
+
+#include "nsIInputStream.h"
+#include "nsIMultiPartChannel.h"
+#include "nsIParentChannel.h"
+#include "nsStringStream.h"
+
+namespace mozilla::net {
+
+nsresult ForwardStreamListenerFunctions(
+ nsTArray<StreamListenerFunction>& aCalls, nsIStreamListener* aParent) {
+ nsresult rv = NS_OK;
+ for (auto& variant : aCalls) {
+ variant.match(
+ [&](const OnStartRequestParams& aParams) {
+ rv = aParent->OnStartRequest(aParams.request);
+ if (NS_FAILED(rv)) {
+ aParams.request->Cancel(rv);
+ }
+ },
+ [&](const OnDataAvailableParams& aParams) {
+ // Don't deliver OnDataAvailable if we've
+ // already failed.
+ if (NS_FAILED(rv)) {
+ return;
+ }
+ nsCOMPtr<nsIInputStream> stringStream;
+ rv = NS_NewByteInputStream(
+ getter_AddRefs(stringStream),
+ Span<const char>(aParams.data.get(), aParams.count),
+ NS_ASSIGNMENT_DEPEND);
+ if (NS_SUCCEEDED(rv)) {
+ rv = aParent->OnDataAvailable(aParams.request, stringStream,
+ aParams.offset, aParams.count);
+ }
+ if (NS_FAILED(rv)) {
+ aParams.request->Cancel(rv);
+ }
+ },
+ [&](const OnStopRequestParams& aParams) {
+ if (NS_SUCCEEDED(rv)) {
+ aParent->OnStopRequest(aParams.request, aParams.status);
+ } else {
+ aParent->OnStopRequest(aParams.request, rv);
+ }
+ rv = NS_OK;
+ },
+ [&](const OnAfterLastPartParams& aParams) {
+ nsCOMPtr<nsIMultiPartChannelListener> multiListener =
+ do_QueryInterface(aParent);
+ if (multiListener) {
+ if (NS_SUCCEEDED(rv)) {
+ multiListener->OnAfterLastPart(aParams.status);
+ } else {
+ multiListener->OnAfterLastPart(rv);
+ }
+ }
+ });
+ }
+ return rv;
+}
+
+} // namespace mozilla::net