Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 234 insertions, 0 deletions

diff --git a/dom/network/UDPSocketChild.cpp b/dom/network/UDPSocketChild.cpp
new file mode 100644
index 0000000000..e5a09d56dd
--- /dev/null
+++ b/dom/network/UDPSocketChild.cpp
@@ -0,0 +1,234 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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 "UDPSocketChild.h"
+#include "UDPSocket.h"
+#include "mozilla/Unused.h"
+#include "mozilla/ipc/IPCStreamUtils.h"
+#include "mozilla/net/NeckoChild.h"
+#include "mozilla/dom/ContentChild.h"
+#include "mozilla/dom/PermissionMessageUtils.h"
+#include "mozilla/ipc/BackgroundChild.h"
+#include "mozilla/ipc/PBackgroundChild.h"
+#include "mozilla/ipc/BackgroundUtils.h"
+#include "mozilla/ipc/PBackgroundSharedTypes.h"
+
+using mozilla::net::gNeckoChild;
+
+namespace mozilla::dom {
+
+NS_IMPL_ISUPPORTS(UDPSocketChildBase, nsISupports)
+
+UDPSocketChildBase::UDPSocketChildBase() : mIPCOpen(false) {}
+
+UDPSocketChildBase::~UDPSocketChildBase() = default;
+
+void UDPSocketChildBase::ReleaseIPDLReference() {
+  MOZ_ASSERT(mIPCOpen);
+  mIPCOpen = false;
+  mSocket = nullptr;
+  this->Release();
+}
+
+void UDPSocketChildBase::AddIPDLReference() {
+  MOZ_ASSERT(!mIPCOpen);
+  mIPCOpen = true;
+  this->AddRef();
+}
+
+NS_IMETHODIMP_(MozExternalRefCountType) UDPSocketChild::Release(void) {
+  nsrefcnt refcnt = UDPSocketChildBase::Release();
+  if (refcnt == 1 && mIPCOpen) {
+    PUDPSocketChild::SendRequestDelete();
+    return 1;
+  }
+  return refcnt;
+}
+
+UDPSocketChild::UDPSocketChild() : mBackgroundManager(nullptr), mLocalPort(0) {}
+
+UDPSocketChild::~UDPSocketChild() = default;
+
+nsresult UDPSocketChild::SetBackgroundSpinsEvents() {
+  using mozilla::ipc::BackgroundChild;
+
+  mBackgroundManager = BackgroundChild::GetOrCreateForCurrentThread();
+  if (NS_WARN_IF(!mBackgroundManager)) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult UDPSocketChild::Bind(nsIUDPSocketInternal* aSocket,
+                              nsIPrincipal* aPrincipal, const nsACString& aHost,
+                              uint16_t aPort, bool aAddressReuse,
+                              bool aLoopback, uint32_t recvBufferSize,
+                              uint32_t sendBufferSize) {
+  UDPSOCKET_LOG(
+      ("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
+
+  NS_ENSURE_ARG(aSocket);
+
+  if (NS_IsMainThread()) {
+    if (!gNeckoChild->SendPUDPSocketConstructor(this, aPrincipal,
+                                                mFilterName)) {
+      return NS_ERROR_FAILURE;
+    }
+  } else {
+    if (!mBackgroundManager) {
+      return NS_ERROR_NOT_AVAILABLE;
+    }
+
+    // If we want to support a passed-in principal here we'd need to
+    // convert it to a PrincipalInfo
+    MOZ_ASSERT(!aPrincipal);
+    if (!mBackgroundManager->SendPUDPSocketConstructor(this, Nothing(),
+                                                       mFilterName)) {
+      return NS_ERROR_FAILURE;
+    }
+  }
+
+  mSocket = aSocket;
+  AddIPDLReference();
+
+  SendBind(UDPAddressInfo(nsCString(aHost), aPort), aAddressReuse, aLoopback,
+           recvBufferSize, sendBufferSize);
+  return NS_OK;
+}
+
+void UDPSocketChild::Connect(nsIUDPSocketInternal* aSocket,
+                             const nsACString& aHost, uint16_t aPort) {
+  UDPSOCKET_LOG(
+      ("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
+
+  mSocket = aSocket;
+
+  SendConnect(UDPAddressInfo(nsCString(aHost), aPort));
+}
+
+void UDPSocketChild::Close() { SendClose(); }
+
+nsresult UDPSocketChild::SendWithAddress(const NetAddr* aAddr,
+                                         const uint8_t* aData,
+                                         uint32_t aByteLength) {
+  NS_ENSURE_ARG(aAddr);
+  NS_ENSURE_ARG(aData);
+
+  UDPSOCKET_LOG(("%s: %u bytes", __FUNCTION__, aByteLength));
+  return SendDataInternal(UDPSocketAddr(*aAddr), aData, aByteLength);
+}
+
+nsresult UDPSocketChild::SendDataInternal(const UDPSocketAddr& aAddr,
+                                          const uint8_t* aData,
+                                          const uint32_t aByteLength) {
+  NS_ENSURE_ARG(aData);
+
+  FallibleTArray<uint8_t> fallibleArray;
+  if (!fallibleArray.InsertElementsAt(0, aData, aByteLength, fallible)) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  SendOutgoingData(UDPData{std::move(fallibleArray)}, aAddr);
+
+  return NS_OK;
+}
+
+nsresult UDPSocketChild::SendBinaryStream(const nsACString& aHost,
+                                          uint16_t aPort,
+                                          nsIInputStream* aStream) {
+  NS_ENSURE_ARG(aStream);
+
+  mozilla::ipc::IPCStream stream;
+  if (NS_WARN_IF(!mozilla::ipc::SerializeIPCStream(do_AddRef(aStream), stream,
+                                                   /* aAllowLazy */ false))) {
+    return NS_ERROR_UNEXPECTED;
+  }
+
+  UDPSOCKET_LOG(
+      ("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
+  SendOutgoingData(UDPData(stream),
+                   UDPSocketAddr(UDPAddressInfo(nsCString(aHost), aPort)));
+
+  return NS_OK;
+}
+
+void UDPSocketChild::JoinMulticast(const nsACString& aMulticastAddress,
+                                   const nsACString& aInterface) {
+  SendJoinMulticast(aMulticastAddress, aInterface);
+}
+
+void UDPSocketChild::LeaveMulticast(const nsACString& aMulticastAddress,
+                                    const nsACString& aInterface) {
+  SendLeaveMulticast(aMulticastAddress, aInterface);
+}
+
+nsresult UDPSocketChild::SetFilterName(const nsACString& aFilterName) {
+  if (!mFilterName.IsEmpty()) {
+    // filter name can only be set once.
+    return NS_ERROR_FAILURE;
+  }
+  mFilterName = aFilterName;
+  return NS_OK;
+}
+
+// PUDPSocketChild Methods
+mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackOpened(
+    const UDPAddressInfo& aAddressInfo) {
+  mLocalAddress = aAddressInfo.addr();
+  mLocalPort = aAddressInfo.port();
+
+  UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, mLocalAddress.get(), mLocalPort));
+  nsresult rv = mSocket->CallListenerOpened();
+  mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+  return IPC_OK();
+}
+
+// PUDPSocketChild Methods
+mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackConnected(
+    const UDPAddressInfo& aAddressInfo) {
+  mLocalAddress = aAddressInfo.addr();
+  mLocalPort = aAddressInfo.port();
+
+  UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, mLocalAddress.get(), mLocalPort));
+  nsresult rv = mSocket->CallListenerConnected();
+  mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackClosed() {
+  nsresult rv = mSocket->CallListenerClosed();
+  mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackReceivedData(
+    const UDPAddressInfo& aAddressInfo, nsTArray<uint8_t>&& aData) {
+  UDPSOCKET_LOG(("%s: %s:%u length %zu", __FUNCTION__,
+                 aAddressInfo.addr().get(), aAddressInfo.port(),
+                 aData.Length()));
+  nsresult rv = mSocket->CallListenerReceivedData(aAddressInfo.addr(),
+                                                  aAddressInfo.port(), aData);
+  mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackError(
+    const nsCString& aMessage, const nsCString& aFilename,
+    const uint32_t& aLineNumber) {
+  UDPSOCKET_LOG(("%s: %s:%s:%u", __FUNCTION__, aMessage.get(), aFilename.get(),
+                 aLineNumber));
+  nsresult rv = mSocket->CallListenerError(aMessage, aFilename, aLineNumber);
+  mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+  return IPC_OK();
+}
+
+}  // namespace mozilla::dom