WebSocket implementation in Chromium.

chrome/browser/renderer_host/socket_stream_host.cc

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/renderer_host/socket_stream_host.h"
+
+#include "base/logging.h"
+#include "chrome/browser/profile.h"
+#include "chrome/common/net/socket_stream.h"
+#include "net/socket_stream/socket_stream.h"
+
+static const char* kSocketIdKey = "socketId";
+
+class SocketStreamId : public net::SocketStream::UserData {
+ public:
+  explicit SocketStreamId(int socket_id) : socket_id_(socket_id) {}
+  virtual ~SocketStreamId() {}
+  int socket_id() const { return socket_id_; }
+ private:
+  int socket_id_;
+};
+
+SocketStreamHost::SocketStreamHost(
+    net::SocketStream::Delegate* delegate, int socket_id)
+    : delegate_(delegate),
+      socket_id_(socket_id) {
+  DCHECK_NE(socket_id_, chrome_common_net::kNoSocketId);
+  LOG(INFO) << "SocketStreamHost: socket_id=" << socket_id_;
+}
+
+/* static */
+int SocketStreamHost::SocketIdFromSocketStream(net::SocketStream* socket) {
+  net::SocketStream::UserData* d = socket->GetUserData(kSocketIdKey);
+  if (d) {
+    SocketStreamId* socket_stream_id = static_cast<SocketStreamId*>(d);
+    return socket_stream_id->socket_id();
+  }
+  return chrome_common_net::kNoSocketId;
+}
+
+SocketStreamHost::~SocketStreamHost() {
+  LOG(INFO) << "SocketStreamHost destructed socket_id=" << socket_id_;
+  socket_->DetachDelegate();
+}
+
+void SocketStreamHost::Connect(const GURL& url) {
+  LOG(INFO) << "SocketStreamHost::Connect url=" << url;
+  socket_ = new net::SocketStream(url, delegate_);
+  socket_->set_context(Profile::GetDefaultRequestContext());
+  socket_->SetUserData(kSocketIdKey, new SocketStreamId(socket_id_));
+  socket_->Connect();
+}
+
+bool SocketStreamHost::SendData(const std::vector<char>& data) {
+  LOG(INFO) << "SocketStreamHost::SendData";
+  if (!socket_)
+    return false;
+  return socket_->SendData(&data[0], data.size());
+}
+
+void SocketStreamHost::Close() {
+  LOG(INFO) << "SocketStreamHost::Close";
+  if (!socket_)
+    return;
+  return socket_->Close();
+}