// Copyright (c) 2003 David Muse
// See the COPYING file for more information.

#ifndef RUDIMENTS_SERVICEENTRY_H
#define RUDIMENTS_SERVICEENTRY_H

#include <rudiments/private/serviceentryincludes.h>

// The serviceentry class provides methods for retrieving
// entries from /etc/services

class serviceentry {
        public:

                // if you need to quickly look up a specific field, use one of
                // these methods
                static  int     getAliasList(const char *servicename,
                                                const char *protocol,
                                                char ***aliaslist);
                static  int     getPort(const char *servicename,
                                                const char *protocol,
                                                int *port);

                static  int     getName(int port, const char *protocol,
                                                char **name);
                static  int     getAliasList(int port, const char *protocol,
                                                char ***aliaslist);


                // if you need to look up a service entry and refer to multiple
                // fields, use these methods
                        serviceentry();
                        ~serviceentry();

                int     initialize(const char *servicename,
                                        const char *protocol);
                        // looks up a service entry by name and protocol
                int     initialize(int port,
                                        const char *protocol);
                        // looks up a service entry by port and protocol

                char    *getName() const;
                int     getPort() const;
                char    *getProtocol() const;
                char    **getAliasList() const;

                void    print() const;
                        // prints out the service entry

                static  int     needsMutex();
                        // If your system doesn't support getservbyname_r()
                        // and getservbyport_r() then this class needs a
                        // mutex to assure thread safety.
                        //
                        // This method returns 1 if this class needs a mutex to
                        // operate safely in a threaded environment and 0
                        // otherwise.
                static  void    setMutex(pthread_mutex_t *mutex);
                        // Allows you to supply a mutex is the class needs it.
                        // If your application is not multithreaded, then
                        // there is no need to supply a mutex.

        #include <rudiments/private/serviceentry.h>
};

#ifdef ENABLE_RUDIMENTS_INLINES
        #include <rudiments/private/serviceentryinlines.h>
#endif

#endif