File: ws-recursor.hh

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/*
 * This file is part of PowerDNS or dnsdist.
 * Copyright -- PowerDNS.COM B.V. and its contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * In addition, for the avoidance of any doubt, permission is granted to
 * link this program with OpenSSL and to (re)distribute the binaries
 * produced as the result of such linking.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#ifndef PDNS_WSRECURSOR_HH
#define PDNS_WSRECURSOR_HH

#include <boost/utility.hpp> 
#include "namespaces.hh"
#include "mplexer.hh"
#include "webserver.hh"

class HttpRequest;
class HttpResponse;

class AsyncServer : public Server {
public:
  AsyncServer(const string &localaddress, int port) : Server(localaddress, port) { };

  friend void AsyncServerNewConnectionMT(void *p);

  typedef boost::function< void(Socket*) > newconnectioncb_t;
  void asyncWaitForConnections(FDMultiplexer* fdm, const newconnectioncb_t& callback);

private:
  void newConnection();

  newconnectioncb_t d_asyncNewConnectionCallback;
};

class AsyncWebServer : public WebServer
{
public:
  AsyncWebServer(FDMultiplexer* fdm, const string &listenaddress, int port) :
    WebServer(listenaddress, port), d_fdm(fdm) { };
  void go();

private:
  FDMultiplexer* d_fdm;
  void serveConnection(Socket *socket);

protected:
  virtual Server* createServer() {
    return new AsyncServer(d_listenaddress, d_port);
  };
};

class RecursorWebServer : public boost::noncopyable
{
public:
  explicit RecursorWebServer(FDMultiplexer* fdm);
  void jsonstat(HttpRequest* req, HttpResponse *resp);

private:
  AsyncWebServer* d_ws;
};

#endif /* PDNS_WSRECURSOR_HH */