listen.h

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#pragma once
/*
 *  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 St, Fifth Floor, Boston, MA 02110-1301, USA
 */
#include <freeradius-devel/io/base.h>
#include <freeradius-devel/io/application.h>
#include <freeradius-devel/server/time_tracking.h>
 
/** Describes a path data takes to/from the wire to/from fr_pair_ts
 *
 */
typedef struct fr_listen fr_listen_t;
struct fr_listen {
        fr_rb_node_t            virtual_server_node;    //!< Entry into the virtual server's tree of listeners.
 
        int                     fd;                     //!< file descriptor for this socket - set by open
        char const              *name;                  //!< printable name for this socket - set by open
 
        fr_app_io_t const       *app_io;                //!< I/O path functions.
        void const              *app_io_instance;       //!< I/O path configuration context.
        void                    *thread_instance;       //!< thread / socket context
 
        fr_socket_t             *app_io_addr;           //!< for tracking duplicate sockets
 
        fr_app_t const          *app;
        void const              *app_instance;
 
        CONF_SECTION            *server_cs;             //!< CONF_SECTION of the server
 
        bool                    connected;              //!< is this for a connected socket?
        bool                    track_duplicates;       //!< do we track duplicate packets?
        bool                    no_write_callback;      //!< sometimes we don't need to do writes
        bool                    non_socket_listener;    //!< special internal listener that does not use sockets.
        bool                    needs_full_setup;       //!< Set to true to avoid the short cut when adding the listener.
                                                        ///< Added for rlm_detail which requires inst->parent->sc to be
                                                        ///< populated when event_list_set callback is run which doesn't
                                                        ///< happen if the short cut is taken.
 
        size_t                  default_message_size;   //!< copied from app_io, but may be changed
        size_t                  num_messages;           //!< for the message ring buffer
};
 
/**
 *      Minimal data structure to use the new code.
 */
struct fr_async_s {
        fr_time_t               recv_time;
        fr_event_list_t         *el;
 
        fr_time_tracking_t      tracking;
        fr_channel_t            *channel;
 
        fr_dlist_t              entry;          //!< in the list of requests associated with this channel
 
        void                    *packet_ctx;
        fr_listen_t             *listen;        //!< How we received this request,
                                                //!< and how we'll send the reply.
        uint32_t                priority;       //!< higher == higher priority
 
        uint32_t                sequence;       //!< higher == higher priority, too
};
 
int fr_io_listen_free(fr_listen_t *li);