--- libaitmqtt/inc/Attic/mqttsrv.h 2022/09/15 15:04:44 1.1 +++ libaitmqtt/inc/Attic/mqttsrv.h 2022/09/15 16:03:44 1.1.2.2 @@ -0,0 +1,119 @@ +/************************************************************************* +* (C) 2022 AITNET ltd - Sofia/Bulgaria - +* by Michael Pounov +* +* $Author: misho $ +* $Id: mqttsrv.h,v 1.1.2.2 2022/09/15 16:03:44 misho Exp $ +* +************************************************************************** +The ELWIX and AITNET software is distributed under the following +terms: + +All of the documentation and software included in the ELWIX and AITNET +Releases is copyrighted by ELWIX - Sofia/Bulgaria + +Copyright 2004 - 2022 + by Michael Pounov . All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are 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 Michael Pounov +ELWIX - Embedded LightWeight unIX and its contributors. +4. Neither the name of AITNET nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND +ANY EXPRESS 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 REGENTS 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 __MQTTSRV_H +#define __MQTTSRV_H + + +#ifdef API_SERVER_SIDE +/* MQTT server structure & hooks */ + +/* MQTT command callback. 1st argument is (mqtt_srv_t*) server handle, 2nd is ready length */ +typedef int (*mqtt_cb_t)(void* /*mqtt_srv_t**/, int, void *); +typedef struct { + mqtt_cb_t cmds[MQTT_TYPE_MAX]; + + int sock; + unsigned short timeout; + mqtt_msg_t *buf; +} mqtt_srv_t; +#define mqtt_srv_setCmd(x, _cmd, _func) (assert((x)), (x)->cmds[(_cmd)] = (_func)) +#define mqtt_srv_getCmd(x, _cmd) (assert((x)), (x)->cmds[(_cmd)]) + + +/* + * mqtt_srv_cliInit() Init MQTT server side support for clients + * + * @sock = Client socket from accept() + * @timeout = timeout + * @nb = Non block socket + * return: NULL error or !=NULL allocated server handle + */ +mqtt_srv_t *mqtt_srv_cliInit(int sock, unsigned short timeout, int nb); +/* + * mqtt_srv_Fini() Finish MQTT server side support for clients + * + * @psrv = Server handle + * return: none + */ +void mqtt_srv_cliFini(mqtt_srv_t ** __restrict psrv); +/* + * mqtt_srv_Dispatch() MQTT server dispatcher for clients + * + * @srv = Server handle + * @rlen = Ready bytes to parse + * @arg = Argument pass to command callback + * return: -1 error or 0 ok + */ +int mqtt_srv_cliDispatch(mqtt_srv_t * __restrict srv, int rlen, void *arg); + +/* + * mqtt_srv_Create() - Create server socket + * + * @sa = Server bind address + * @salen = Server struct sockaddr size + * return: -1 error or >-1 server socket + */ +int mqtt_srv_Create(struct sockaddr * __restrict sa, int salen); +/* + * mqtt_srv_Destroy() - Close server socket + * + * @sock = Server socket + * return: -1 error or 0 ok + */ +int mqtt_srv_Destroy(int sock); +/* + * mqtt_srv_Listen() - Listen server socket + * + * @sock = Server socket + * @maxconn = max number of pending connections + * @nb = Non block socket + * return: -1 error or 0 ok + */ +int mqtt_srv_Listen(int sock, int maxconn, int nb); +#endif + + +#endif