eventtxhandler.h

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/*
** Copyright (C) 2004 Russell Leighton
**
** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/


 
#ifndef __AWHANDLER_EVENTTX__
#define __AWHANDLER_EVENTTX__

#include <stdio.h>

#include "monitor.h"

#include "wire.h"

/*\@{*/

/* 
Changes:
    4/26/03 Russell Leighton
    Added TCP support

*/

typedef enum {

  AW_EVENTTXHANDLER_PROTOCOL_UDP,  /* udp */

  AW_EVENTTXHANDLER_PROTOCOL_TCP,  /* tcp */

  AW_EVENTTXHANDLER_PROTOCOL_MC,   /* multicast */

} aw_eventtxhandler_protocol_t;

typedef enum {

  AW_EVENTTXHANDLER_IDLE,               /* not doing anything */
  AW_EVENTTXHANDLER_WAIT_CONNECT,       /* waiting on a connect() */
  AW_EVENTTXHANDLER_WAIT_WRITE          /* waiting on a write() */

} aw_eventtxhandler_state_cd_t;


typedef struct {

  int32_t
   sfd;

  /* space to write packets, max size of a UDP packet */
  byte_t
   tx_message[0xffff]; 

  /* state, used in tcp handler */
  aw_eventtxhandler_state_cd_t
   state_cd;

  /* marks start of connection , used in tcp handler */
  aw_timestamp_t
   starttime;

  /* bytes read or written (depending on state_cd) , used in tcp handler */
  u_int32_t
   nbytes;

  /* -1 on start , used in tcp handler */
  int32_t
   data_left;

} aw_eventtxhandler_state_t;


typedef struct {

  aw_handler_t
   handler_header;

  /* ip or multicast_group */
  struct sockaddr_in
   service_addr;

  aw_eventtxhandler_protocol_t
   protocol;
  
  aw_eventtxhandler_state_t
   state;

} aw_eventtxhandler_t;

typedef struct {

  /* multicast inteface, defaults to NULL -> INADDR_ANY */
  const byte_t *mcinterface;

  /* non-zero if allow local multicast traffic, defaults to 0 */
  u_int32_t mcloopback;

} aw_eventtxhandler_options_t;

aw_eventtxhandler_t *aw_create_eventtxhandler(const byte_t *hostname,
                                              u_int32_t port,
                                              aw_eventtxhandler_protocol_t protocol,
                                              const aw_eventtxhandler_options_t *options,
                                              int32_t (*regevent)(aw_handler_t *h, aw_address_t *eventid, u_int32_t index),
                                              int32_t (*regmaskevent)(aw_handler_t *h, aw_address_t *eventid, u_int32_t index),
                                              const aw_alarm_sched_t *sched,
                                              aw_logger_t *aware_logger);


void aw_free_eventtxhandler(aw_eventtxhandler_t *h);


aw_handler_t *aw_wire_eventtxhandler(aw_wire_mkhandler_args_t *args);

/*\@}*/

#endif

Aware 0.11.1 Copyright (C) 1998-2005 Russell Leighton (russ@elegant-software.com)