/home/mhx/git/github/libmoost/include/moost/service/appender.h

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/* vim:set ts=3 sw=3 sts=3 et: */
#ifndef FM_LAST_MOOST_SERVICE_APPENDER
#define FM_LAST_MOOST_SERVICE_APPENDER

#include <string>
#include <boost/shared_ptr.hpp>
#include <log4cxx/level.h>

namespace moost { namespace service {

class stream_writer_iface
{
public:
   virtual ~stream_writer_iface();
   virtual void write(const char *data, size_t len) = 0;
};

typedef boost::shared_ptr<stream_writer_iface> stream_writer_ptr;

class appender_iface
{
public:
   virtual ~appender_iface();
   virtual bool handle_command(std::string& _return, const std::string& cmd, const std::string& args) = 0;
   virtual std::string show_help() const = 0;
   virtual bool attach() = 0;
   virtual bool detach() = 0;
};

typedef boost::shared_ptr<appender_iface> appender_ptr;

class appender_factory_iface
{
public:
   virtual ~appender_factory_iface();

   virtual appender_ptr create(stream_writer_ptr) = 0;
};

typedef boost::shared_ptr<appender_factory_iface> appender_factory_ptr;

class log4cxx_appender_factory : public appender_factory_iface
{
private:
   log4cxx::LevelPtr m_default_level;

public:
   log4cxx_appender_factory(const std::string& = "warn");
   virtual appender_ptr create(stream_writer_ptr);
};

class null_appender_factory : public appender_factory_iface
{
public:
   null_appender_factory();
   virtual appender_ptr create(stream_writer_ptr);
};

} }

#endif