/* * FILE:    mbus.h * AUTHORS: Colin Perkins *  * Copyright (c) 1997-2000 University College London * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, is permitted, provided that the following conditions  * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *      This product includes software developed by the Computer Science *      Department at University College London * 4. Neither the name of the University nor of the Department may be used *    to endorse or promote products derived from this software without *    specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */#ifndef _MBUS_H#define _MBUS_H/* Error codes... */#define MBUS_MESSAGE_LOST           1#define MBUS_DESTINATION_UNKNOWN    2#define MBUS_DESTINATION_NOT_UNIQUE 3struct mbus;#if defined(__cplusplus)extern "C" {#endifstruct mbus *mbus_init(void  (*cmd_handler)(char *src, char *cmd, char *arg, void *dat), 		       void  (*err_handler)(int seqnum, int reason),		       char  *addr);void         mbus_cmd_handler(struct mbus *m, void  (*cmd_handler)(char *src, char *cmd, char *arg, void *dat));void         mbus_exit(struct mbus *m);int          mbus_addr_valid(struct mbus *m, char *addr);void         mbus_qmsg(struct mbus *m, const char *dest, const char *cmnd, const char *args, int reliable);void         mbus_send(struct mbus *m);int          mbus_recv(struct mbus *m, void *data, struct timeval *timeout);void         mbus_retransmit(struct mbus *m);void         mbus_heartbeat(struct mbus *m, int interval);int          mbus_waiting_ack(struct mbus *m);int          mbus_sent_all(struct mbus *m);char        *mbus_rendezvous_waiting(struct mbus *m, char *addr, char *token, void *data);char        *mbus_rendezvous_go(struct mbus *m, char *token, void *data);#if defined(__cplusplus)}#endif#endif