1 files changed, 204 insertions, 0 deletions
diff --git a/netwerk/protocol/websocket/WebSocketConnectionParent.cpp b/netwerk/protocol/websocket/WebSocketConnectionParent.cpp
new file mode 100644
index 0000000000..3470daf940
--- /dev/null
+++ b/netwerk/protocol/websocket/WebSocketConnectionParent.cpp
@@ -0,0 +1,204 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et ft=cpp : */
+/* 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 "WebSocketLog.h"
+#include "WebSocketConnectionParent.h"
+
+#include "nsIHttpChannelInternal.h"
+#include "nsITransportSecurityInfo.h"
+#include "nsSerializationHelper.h"
+#include "nsThreadUtils.h"
+#include "WebSocketConnectionListener.h"
+
+namespace mozilla {
+namespace net {
+
+NS_IMPL_ISUPPORTS0(WebSocketConnectionParent)
+
+WebSocketConnectionParent::WebSocketConnectionParent(
+    nsIHttpUpgradeListener* aListener)
+    : mUpgradeListener(aListener),
+      mBackgroundThread(GetCurrentSerialEventTarget()) {
+  LOG(("WebSocketConnectionParent ctor %p\n", this));
+  MOZ_ASSERT(mUpgradeListener);
+}
+
+WebSocketConnectionParent::~WebSocketConnectionParent() {
+  LOG(("WebSocketConnectionParent dtor %p\n", this));
+}
+
+mozilla::ipc::IPCResult WebSocketConnectionParent::RecvOnTransportAvailable(
+    nsITransportSecurityInfo* aSecurityInfo) {
+  LOG(("WebSocketConnectionParent::RecvOnTransportAvailable %p\n", this));
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  if (aSecurityInfo) {
+    MutexAutoLock lock(mMutex);
+    mSecurityInfo = aSecurityInfo;
+  }
+
+  if (mUpgradeListener) {
+    Unused << mUpgradeListener->OnWebSocketConnectionAvailable(this);
+    mUpgradeListener = nullptr;
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketConnectionParent::RecvOnError(
+    const nsresult& aStatus) {
+  LOG(("WebSocketConnectionParent::RecvOnError %p\n", this));
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  MOZ_ASSERT(mListener);
+  mListener->OnError(aStatus);
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketConnectionParent::RecvOnUpgradeFailed(
+    const nsresult& aReason) {
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  if (mUpgradeListener) {
+    Unused << mUpgradeListener->OnUpgradeFailed(aReason);
+    mUpgradeListener = nullptr;
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketConnectionParent::RecvOnTCPClosed() {
+  LOG(("WebSocketConnectionParent::RecvOnTCPClosed %p\n", this));
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  MOZ_ASSERT(mListener);
+  mListener->OnTCPClosed();
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketConnectionParent::RecvOnDataReceived(
+    nsTArray<uint8_t>&& aData) {
+  LOG(("WebSocketConnectionParent::RecvOnDataReceived %p\n", this));
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  MOZ_ASSERT(mListener);
+  uint8_t* buffer = const_cast<uint8_t*>(aData.Elements());
+  nsresult rv = mListener->OnDataReceived(buffer, aData.Length());
+  if (NS_FAILED(rv)) {
+    mListener->OnError(rv);
+  }
+
+  return IPC_OK();
+}
+
+void WebSocketConnectionParent::ActorDestroy(ActorDestroyReason aWhy) {
+  LOG(("WebSocketConnectionParent::ActorDestroy %p aWhy=%d\n", this, aWhy));
+  if (!mClosed) {
+    // Treat this as an error when IPC is closed before
+    // WebSocketConnectionParent::Close() is called.
+    RefPtr<WebSocketConnectionListener> listener;
+    listener.swap(mListener);
+    if (listener) {
+      listener->OnError(NS_ERROR_FAILURE);
+    }
+  }
+};
+
+nsresult WebSocketConnectionParent::Init(
+    WebSocketConnectionListener* aListener) {
+  NS_ENSURE_ARG_POINTER(aListener);
+
+  mListener = aListener;
+  return NS_OK;
+}
+
+void WebSocketConnectionParent::GetIoTarget(nsIEventTarget** aTarget) {
+  nsCOMPtr<nsIEventTarget> target = mBackgroundThread;
+  return target.forget(aTarget);
+}
+
+void WebSocketConnectionParent::Close() {
+  LOG(("WebSocketConnectionParent::Close %p\n", this));
+
+  mClosed = true;
+
+  auto task = [self = RefPtr{this}]() { Unused << self->Send__delete__(self); };
+
+  if (mBackgroundThread->IsOnCurrentThread()) {
+    task();
+  } else {
+    mBackgroundThread->Dispatch(NS_NewRunnableFunction(
+        "WebSocketConnectionParent::Close", std::move(task)));
+  }
+}
+
+nsresult WebSocketConnectionParent::WriteOutputData(
+    const uint8_t* aHdrBuf, uint32_t aHdrBufLength, const uint8_t* aPayloadBuf,
+    uint32_t aPayloadBufLength) {
+  LOG(("WebSocketConnectionParent::WriteOutputData %p", this));
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  if (!CanSend()) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  nsTArray<uint8_t> data;
+  data.AppendElements(aHdrBuf, aHdrBufLength);
+  data.AppendElements(aPayloadBuf, aPayloadBufLength);
+  return SendWriteOutputData(data) ? NS_OK : NS_ERROR_FAILURE;
+}
+
+nsresult WebSocketConnectionParent::StartReading() {
+  LOG(("WebSocketConnectionParent::StartReading %p\n", this));
+
+  RefPtr<WebSocketConnectionParent> self = this;
+  auto task = [self{std::move(self)}]() {
+    if (!self->CanSend()) {
+      if (self->mListener) {
+        self->mListener->OnError(NS_ERROR_NOT_AVAILABLE);
+      }
+      return;
+    }
+
+    Unused << self->SendStartReading();
+  };
+
+  if (mBackgroundThread->IsOnCurrentThread()) {
+    task();
+  } else {
+    mBackgroundThread->Dispatch(NS_NewRunnableFunction(
+        "WebSocketConnectionParent::SendStartReading", std::move(task)));
+  }
+
+  return NS_OK;
+}
+
+void WebSocketConnectionParent::DrainSocketData() {
+  LOG(("WebSocketConnectionParent::DrainSocketData %p\n", this));
+  MOZ_ASSERT(mBackgroundThread->IsOnCurrentThread());
+
+  if (!CanSend()) {
+    MOZ_ASSERT(mListener);
+    mListener->OnError(NS_ERROR_NOT_AVAILABLE);
+
+    return;
+  }
+
+  Unused << SendDrainSocketData();
+}
+
+nsresult WebSocketConnectionParent::GetSecurityInfo(
+    nsITransportSecurityInfo** aSecurityInfo) {
+  LOG(("WebSocketConnectionParent::GetSecurityInfo() %p\n", this));
+  MOZ_ASSERT(NS_IsMainThread());
+
+  NS_ENSURE_ARG_POINTER(aSecurityInfo);
+
+  MutexAutoLock lock(mMutex);
+  NS_IF_ADDREF(*aSecurityInfo = mSecurityInfo);
+  return NS_OK;
+}
+
+}  // namespace net
+}  // namespace mozilla