Brushed up listen socket:

net/server/http_listen_socket.h

+// Copyright (c) 2010 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.
+
+#ifndef NET_SERVER_HTTP_LISTEN_SOCKET_H_
+#define NET_SERVER_HTTP_LISTEN_SOCKET_H_
+
+#include "net/base/listen_socket.h"
+
+class HttpServerRequestInfo;
+
+// Implements a simple HTTP listen socket on top of the raw socket interface.
+class HttpListenSocket : public ListenSocket,
+                         public ListenSocket::ListenSocketDelegate {
+ public:
+  class Delegate {
+   public:
+    virtual void OnHttpRequest(HttpListenSocket* socket,
+                               HttpServerRequestInfo* info) = 0;
+
+    virtual void OnWebSocketRequest(HttpListenSocket* socket,
+                                    HttpServerRequestInfo* info) = 0;
+
+    virtual void OnWebSocketMessage(HttpListenSocket* socket,
+                                    const std::string& data) = 0;
+
+    virtual void OnClose(HttpListenSocket* socket) = 0;
+   protected:
+    virtual ~Delegate() {}
+  };
+
+  static HttpListenSocket* Listen(const std::string& ip,
+                                  int port,
+                                  HttpListenSocket::Delegate* delegate);
+
+  void AcceptWebSocket(HttpServerRequestInfo* request);
+
+  void SendOverWebSocket(const std::string& data);
+
+  void Listen() { ListenSocket::Listen(); }
+  virtual void Accept();
+
+  // ListenSocketDelegate
+  virtual void DidAccept(ListenSocket* server, ListenSocket* connection);
+  virtual void DidRead(ListenSocket* connection, const char* data, int len);
+  virtual void DidClose(ListenSocket* sock);
+
+ private:
+  static const int kReadBufSize = 16 * 1024;
+  HttpListenSocket(SOCKET s, HttpListenSocket::Delegate* del);
+  virtual ~HttpListenSocket();
+
+  // Expects the raw data to be stored in recv_data_. If parsing is successful,
+  // will remove the data parsed from recv_data_, leaving only the unused
+  // recv data.
+  HttpServerRequestInfo* ParseHeaders();
+
+  HttpListenSocket::Delegate* delegate_;
+  bool is_web_socket_;
+  std::string recv_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(HttpListenSocket);
+};
+
+#endif // NET_SERVER_HTTP_LISTEN_SOCKET_H_