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-rw-r--r--dom/network/UDPSocketChild.cpp404
1 files changed, 404 insertions, 0 deletions
diff --git a/dom/network/UDPSocketChild.cpp b/dom/network/UDPSocketChild.cpp
new file mode 100644
index 000000000..6e374ce31
--- /dev/null
+++ b/dom/network/UDPSocketChild.cpp
@@ -0,0 +1,404 @@
+/* -*- 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 "mozilla/Unused.h"
+#include "mozilla/ipc/InputStreamUtils.h"
+#include "mozilla/net/NeckoChild.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"
+#include "nsIIPCBackgroundChildCreateCallback.h"
+
+using mozilla::net::gNeckoChild;
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_ISUPPORTS(UDPSocketChildBase, nsIUDPSocketChild)
+
+UDPSocketChildBase::UDPSocketChildBase()
+: mIPCOpen(false)
+{
+}
+
+UDPSocketChildBase::~UDPSocketChildBase()
+{
+}
+
+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()
+{
+}
+
+class UDPSocketBackgroundChildCallback final :
+ public nsIIPCBackgroundChildCreateCallback
+{
+ bool* mDone;
+
+public:
+ explicit UDPSocketBackgroundChildCallback(bool* aDone)
+ : mDone(aDone)
+ {
+ MOZ_ASSERT(!NS_IsMainThread());
+ MOZ_ASSERT(mDone);
+ MOZ_ASSERT(!*mDone);
+ }
+
+ NS_DECL_ISUPPORTS
+
+private:
+ ~UDPSocketBackgroundChildCallback()
+ { }
+
+ virtual void
+ ActorCreated(PBackgroundChild* aActor) override
+ {
+ *mDone = true;
+ }
+
+ virtual void
+ ActorFailed() override
+ {
+ *mDone = true;
+ }
+};
+
+NS_IMPL_ISUPPORTS(UDPSocketBackgroundChildCallback, nsIIPCBackgroundChildCreateCallback)
+
+nsresult
+UDPSocketChild::CreatePBackgroundSpinUntilDone()
+{
+ using mozilla::ipc::BackgroundChild;
+
+ // Spinning the event loop in MainThread would be dangerous
+ MOZ_ASSERT(!NS_IsMainThread());
+ MOZ_ASSERT(!BackgroundChild::GetForCurrentThread());
+
+ bool done = false;
+ nsCOMPtr<nsIIPCBackgroundChildCreateCallback> callback =
+ new UDPSocketBackgroundChildCallback(&done);
+
+ if (NS_WARN_IF(!BackgroundChild::GetOrCreateForCurrentThread(callback))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ nsIThread* thread = NS_GetCurrentThread();
+ while (!done) {
+ if (NS_WARN_IF(!NS_ProcessNextEvent(thread, true /* aMayWait */))) {
+ return NS_ERROR_FAILURE;
+ }
+ }
+
+ if (NS_WARN_IF(!BackgroundChild::GetForCurrentThread())) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+// nsIUDPSocketChild Methods
+
+NS_IMETHODIMP
+UDPSocketChild::SetBackgroundSpinsEvents()
+{
+ using mozilla::ipc::BackgroundChild;
+
+ PBackgroundChild* existingBackgroundChild =
+ BackgroundChild::GetForCurrentThread();
+ // If it's not spun up yet, block until it is, and retry
+ if (!existingBackgroundChild) {
+ nsresult rv = CreatePBackgroundSpinUntilDone();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ existingBackgroundChild =
+ BackgroundChild::GetForCurrentThread();
+ MOZ_ASSERT(existingBackgroundChild);
+ }
+ // By now PBackground is guaranteed to be/have-been up
+ mBackgroundManager = existingBackgroundChild;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+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);
+
+ mSocket = aSocket;
+ AddIPDLReference();
+
+ if (mBackgroundManager) {
+ // If we want to support a passed-in principal here we'd need to
+ // convert it to a PrincipalInfo
+ MOZ_ASSERT(!aPrincipal);
+ mBackgroundManager->SendPUDPSocketConstructor(this, void_t(), mFilterName);
+ } else {
+ gNeckoChild->SendPUDPSocketConstructor(this, IPC::Principal(aPrincipal),
+ mFilterName);
+ }
+
+ SendBind(UDPAddressInfo(nsCString(aHost), aPort), aAddressReuse, aLoopback,
+ recvBufferSize, sendBufferSize);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+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));
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::Close()
+{
+ SendClose();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::Send(const nsACString& aHost,
+ uint16_t aPort,
+ const uint8_t* aData,
+ uint32_t aByteLength)
+{
+ NS_ENSURE_ARG(aData);
+
+ UDPSOCKET_LOG(("%s: %s:%u - %u bytes", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort, aByteLength));
+ return SendDataInternal(UDPSocketAddr(UDPAddressInfo(nsCString(aHost), aPort)),
+ aData, aByteLength);
+}
+
+NS_IMETHODIMP
+UDPSocketChild::SendWithAddr(nsINetAddr* aAddr,
+ const uint8_t* aData,
+ uint32_t aByteLength)
+{
+ NS_ENSURE_ARG(aAddr);
+ NS_ENSURE_ARG(aData);
+
+ NetAddr addr;
+ aAddr->GetNetAddr(&addr);
+
+ UDPSOCKET_LOG(("%s: %u bytes", __FUNCTION__, aByteLength));
+ return SendDataInternal(UDPSocketAddr(addr), aData, aByteLength);
+}
+
+NS_IMETHODIMP
+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;
+ }
+
+ InfallibleTArray<uint8_t> array;
+ array.SwapElements(fallibleArray);
+
+ SendOutgoingData(array, aAddr);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::SendBinaryStream(const nsACString& aHost,
+ uint16_t aPort,
+ nsIInputStream* aStream)
+{
+ NS_ENSURE_ARG(aStream);
+
+ OptionalInputStreamParams stream;
+ nsTArray<mozilla::ipc::FileDescriptor> fds;
+ SerializeInputStream(aStream, stream, fds);
+
+ MOZ_ASSERT(fds.IsEmpty());
+
+ UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
+ SendOutgoingData(UDPData(stream), UDPSocketAddr(UDPAddressInfo(nsCString(aHost), aPort)));
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::JoinMulticast(const nsACString& aMulticastAddress,
+ const nsACString& aInterface)
+{
+ SendJoinMulticast(nsCString(aMulticastAddress), nsCString(aInterface));
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::LeaveMulticast(const nsACString& aMulticastAddress,
+ const nsACString& aInterface)
+{
+ SendLeaveMulticast(nsCString(aMulticastAddress), nsCString(aInterface));
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::GetLocalPort(uint16_t* aLocalPort)
+{
+ NS_ENSURE_ARG_POINTER(aLocalPort);
+
+ *aLocalPort = mLocalPort;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::GetLocalAddress(nsACString& aLocalAddress)
+{
+ aLocalAddress = mLocalAddress;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::SetFilterName(const nsACString& aFilterName)
+{
+ if (!mFilterName.IsEmpty()) {
+ // filter name can only be set once.
+ return NS_ERROR_FAILURE;
+ }
+ mFilterName = aFilterName;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+UDPSocketChild::GetFilterName(nsACString& aFilterName)
+{
+ aFilterName = mFilterName;
+ return NS_OK;
+}
+
+// PUDPSocketChild Methods
+bool
+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 true;
+}
+
+// PUDPSocketChild Methods
+bool
+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 true;
+}
+
+bool
+UDPSocketChild::RecvCallbackClosed()
+{
+ nsresult rv = mSocket->CallListenerClosed();
+ mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+ return true;
+}
+
+bool
+UDPSocketChild::RecvCallbackReceivedData(const UDPAddressInfo& aAddressInfo,
+ InfallibleTArray<uint8_t>&& aData)
+{
+ UDPSOCKET_LOG(("%s: %s:%u length %u", __FUNCTION__,
+ aAddressInfo.addr().get(), aAddressInfo.port(), aData.Length()));
+ nsresult rv = mSocket->CallListenerReceivedData(aAddressInfo.addr(), aAddressInfo.port(),
+ aData.Elements(), aData.Length());
+ mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
+
+ return true;
+}
+
+bool
+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 true;
+}
+
+} // namespace dom
+} // namespace mozilla