File: AdminClient.h

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// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2001 Alistair Riddoch
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// 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

// $Id: AdminClient.h,v 1.13 2006-12-26 14:30:44 alriddoch Exp $

#ifndef TOOLS_ADMIN_CLIENT_H
#define TOOLS_ADMIN_CLIENT_H

#include "common/globals.h"

#include <Atlas/Objects/Decoder.h>
#include <Atlas/Objects/ObjectsFwd.h>

#include <skstream/skstream_unix.h>

#include <iostream>
#include <set>

#include <cstdio>

namespace Atlas {
  class Codec;
  namespace Objects { class ObjectsEncoder; }
}

typedef std::multimap<std::string, std::pair<std::pair<std::string, std::string>, Atlas::Message::MapType> > RuleWaitList;

/// \brief Client class to encapsulate functionality of an administrative client
class AdminClient : public Atlas::Objects::ObjectsDecoder
{
  private:
    /// \brief Flags used to track replies from the server
    bool error_flag, reply_flag, login_flag;
    /// \brief File descriptor used to communicate with the server
    int cli_fd;
    /// \brief Atlas encoder used to send to the server
    Atlas::Objects::ObjectsEncoder * encoder;
    /// \brief Atlas codec used to communicate with the server
    Atlas::Codec * codec;
    /// \brief iostream used to communicate with the server
    basic_socket_stream * ios;
    /// \brief Password used to log into the server
    std::string password;
    /// \brief Username used to log into the server
    std::string username;
    /// \brief Account identifier returned after successful login
    std::string accountId;
    /// \brief Stored error message from the last received Error operation
    std::string m_errorMessage;
    /// \brief Flag set to indicate that the task is complete, and should exit
    bool exit;
    /// \brief Store of rules which can't be uploaded until their parent has
    /// been uploaded
    RuleWaitList m_waitingRules;
    /// \brief List of names of rules already uploaded
    std::set<std::string> m_uploadedRules;

    void output(const Atlas::Message::Element & item, bool recurse = true);
  protected:

    void objectArrived(const Atlas::Objects::Root &);

    void infoArrived(const Atlas::Objects::Operation::RootOperation &);
    void errorArrived(const Atlas::Objects::Operation::RootOperation &);

    int negotiate();

    void waitForInfo();
    int checkRule(const std::string & id);
  public:
    AdminClient();
    ~AdminClient();

    void send(const Atlas::Objects::Operation::RootOperation &);
    int connect(const std::string & host);
    int connect_unix(const std::string & host);
    int login();
    void loop();
    void poll();
    void getLogin();
    int uploadRule(const std::string & id, const std::string & set,
                    const Atlas::Message::MapType &);

    /// \brief Set the password used to log into the server
    void setPassword(const std::string & passwd) {
        password = passwd;
    }

    /// \brief Set the username used to log into the server
    void setUsername(const std::string & uname) {
        username = uname;
    }

    void report();
};

#endif // TOOLS_ADMIN_CLIENT_H