libaitmqtt/src/srvside.c - diff

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Diff for /libaitmqtt/src/srvside.c between versions 1.1 and 1.2

-version 1.1, 2012/01/27 08:28:09
+version 1.2, 2012/06/20 15:02:24
- Line 0
+ Line 1
+ /*************************************************************************
+ * (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
+ *  by Michael Pounov <misho@openbsd-bg.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, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+         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:
+. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+. 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.
+. 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.
+. 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.
+ */
+ #include "global.h"
+ /*
+  * mqtt_srv_Init() Init MQTT server side support
+  *
+  * @sock = Client socket from accept()
+  * @buf = Message buffer
+  * @timeout = timeout
+  * return: NULL error or !=NULL allocated server handle
+  */
+ mqtt_srv_t *
+ mqtt_srv_Init(int sock, mqtt_msg_t * __restrict buf, u_short timeout)
+ {
+         mqtt_srv_t *srv = NULL;
+         if (!buf || !buf->msg_base || !buf->msg_len)
+                 return srv;
+         srv = malloc(sizeof(mqtt_srv_t));
+         if (!srv) {
+                 LOGERR;
+                 return srv;
+         } else
+                 memset(srv, 0, sizeof(mqtt_srv_t));
+         srv->sock = sock;
+         srv->buf = buf;
+         srv->timeout = timeout;
+         return srv;
+ }
+ /*
+  * mqtt_srv_Fini() Finish MQTT server side support
+  *
+  * @psrv = Server handle
+  * return: none
+  */
+ void
+ mqtt_srv_Fini(mqtt_srv_t ** __restrict psrv)
+ {
+         if (psrv && *psrv) {
+                 free(*psrv);
+                 *psrv = NULL;
+         }
+ }
+ /*
+  * mqtt_srv_Dispatch() MQTT server dispatcher
+  *
+  * @srv = Server handle
+  * @rlen = Ready bytes to parse
+  * @arg = Argument pass to command callback
+  * return: -1 error or 0 ok
+  */
+ int
+ mqtt_srv_Dispatch(mqtt_srv_t * __restrict srv, int rlen, void *arg)
+ {
+         struct mqtthdr *hdr;
+         if (!srv || !srv->buf->msg_base || !srv->buf->msg_len)
+                 return -1;
+         if (srv->buf->msg_len < sizeof(struct mqtthdr) || rlen < sizeof(struct mqtthdr)) {
+                 mqtt_SetErr(EINVAL, "Message is too short ...");
+                 return -1;
+         }
+         hdr = (struct mqtthdr*) srv->buf->msg_base;
+         if (hdr->mqtt_msg.type > MQTT_TYPE_MAX) {
+                 mqtt_SetErr(ENOSYS, "Message type %d not implemented", hdr->mqtt_msg.type);
+                 return -1;
+         }
+         if (srv->cmds[hdr->mqtt_msg.type])
+                 return srv->cmds[hdr->mqtt_msg.type]((void*) srv, rlen, arg);
+         mqtt_SetErr(ENOTSUP, "Unsupported message type %d", hdr->mqtt_msg.type);
+         return -1;
+ }

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	Added in v.1.2