execContext.hpp

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    Commercial License Agreement provided with the Software or,
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    in a written agreement between the licensee and Project Wolframe.

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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

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    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef _WOLFRAME_PROCESSOR_EXEC_CONTEXT_HPP_INCLUDED
#define _WOLFRAME_PROCESSOR_EXEC_CONTEXT_HPP_INCLUDED
#include "types/secureReference.hpp"
#include "types/keymap.hpp"
#include "processor/procProviderInterface.hpp"
#include "AAAA/AAAAproviderInterface.hpp"

namespace _Wolframe {
namespace proc {

class ExecContext
{
public:
        ExecContext()
                :m_provider(0),m_authorizer(0),m_aaaaProvider(0),m_default_timeout(0){}
        ExecContext( const ProcessorProviderInterface* p, const AAAA::AAAAproviderInterface* a)
                :m_provider(p),m_authorizer(0),m_aaaaProvider(a),m_default_timeout(0){}

        const ProcessorProviderInterface* provider() const      {return m_provider;}

        const AAAA::User* user() const                          {return m_user.get();}
        void setUser( AAAA::User* u)                            {m_user.reset( u);}

        const AAAA::Authorizer* authorizer() const              {return m_authorizer;}
        void setAuthorizer( const AAAA::Authorizer* a)          {m_authorizer = a;}

        unsigned int defaultTimeout() const                     {return m_default_timeout;}
        void setDefaultTimeout( unsigned int timeout_sec_)      {m_default_timeout = timeout_sec_;}

        const char* socketIdentifier() const                    {return m_localEndpoint.get()?m_localEndpoint->config().socketIdentifier.c_str():0;}
        const net::RemoteEndpoint* remoteEndpoint() const       {return m_remoteEndpoint.get();}
        const net::LocalEndpoint* localEndpoint() const         {return m_localEndpoint.get();}

        void setConnectionData(
                        const net::RemoteEndpointR& remoteEndpoint_,
                        const net::LocalEndpointR& localEndpoint_)
        {
                m_remoteEndpoint = remoteEndpoint_;
                m_localEndpoint = localEndpoint_;
        }

        bool hasCapability( const std::string& c) const
        {
                if (!m_localEndpoint.get()) return false;
                return m_localEndpoint->config().hasCapability( c);
        }

        AAAA::Authenticator* authenticator( const net::RemoteEndpoint& client ) const
        {
                return m_aaaaProvider?m_aaaaProvider->authenticator( client ):0;
        }
        AAAA::PasswordChanger* passwordChanger( const net::RemoteEndpoint& client ) const
        {
                return m_aaaaProvider?m_aaaaProvider->passwordChanger( *m_user.get(), client ):0;
        }

        bool checkAuthorization( const std::string& funcname, const std::string& resource, std::string& errmsg, bool allowIfNotExists=false);

        enum BasicAuthorizationFunction
        {
                CONNECT,
                PASSWD
        };
        static const char* basicAuthorizationFunctionName( BasicAuthorizationFunction n)
        {
                static const char* ar[] = {"CONNECT","PASSWD"};
                return ar[n];
        }

        bool checkAuthorization( BasicAuthorizationFunction f)
        {
                std::string errmsg;
                return checkAuthorization( basicAuthorizationFunctionName(f), "", errmsg, true);
        }

        db::Transaction* transaction( const std::string& name);

        void push_database( const std::string& dbname)                  {m_dbstack.push_back( dbname);}
        void pop_database()                                             {m_dbstack.pop_back();}

private:
        ExecContext( const ExecContext&);                       //... non copyable
        void operator=( const ExecContext&);                    //... non copyable

private:
        const ProcessorProviderInterface* m_provider;           
        types::SecureReference<AAAA::User> m_user;              
        const AAAA::Authorizer* m_authorizer;                   
        const AAAA::AAAAproviderInterface* m_aaaaProvider;      
        unsigned int m_default_timeout;                         
        net::RemoteEndpointR m_remoteEndpoint;                  
        net::LocalEndpointR m_localEndpoint;                    
        std::vector<std::string> m_dbstack;                     
};

}} //namespace
#endif