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| /************************************************************************* | |
| * (C) 2022 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> | |
| * by Michael Pounov <misho@elwix.org> | |
| * | |
| * $Author$ | |
| * $Id$ | |
| * | |
| ************************************************************************** | |
| 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 <info@elwix.org> | |
| Copyright 2004 - 2022 | |
| by Michael Pounov <misho@elwix.org>. 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 <misho@elwix.org> | |
| 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() | |
| * @buf = Message buffer | |
| * @timeout = timeout | |
| * @nb = Non block socket | |
| * return: NULL error or !=NULL allocated server handle | |
| */ | |
| mqtt_srv_t *mqtt_srv_cliInit(int sock, mqtt_msg_t * __restrict buf, | |
| 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 |