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/*********************************************************************************************************
* Software License Agreement (BSD License) *
* Author: Sebastien Decugis <sdecugis@freediameter.net> *
* *
* Copyright (c) 2019, WIDE Project and NICT *
* All rights reserved. *
* *
* Redistribution and use of this software 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. *
* *
* * Neither the name of the WIDE Project or NICT nor the *
* names of its contributors may be used to endorse or *
* promote products derived from this software without *
* specific prior written permission of WIDE Project and *
* NICT. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 "fdcore-internal.h"
/* The global message queues */
struct fifo * fd_g_incoming = NULL;
struct fifo * fd_g_outgoing = NULL;
struct fifo * fd_g_local = NULL;
/* Initialize the message queues. */
int fd_queues_init(void)
{
TRACE_ENTRY();
CHECK_FCT( fd_fifo_new ( &fd_g_incoming, fd_g_config->cnf_qin_limit ) );
CHECK_FCT( fd_fifo_new ( &fd_g_outgoing, fd_g_config->cnf_qout_limit ) );
CHECK_FCT( fd_fifo_new ( &fd_g_local, fd_g_config->cnf_qlocal_limit ) );
return 0;
}
/* Resize according to values given in configuration file */
int fd_queues_init_after_conf(void)
{
TRACE_ENTRY();
CHECK_FCT( fd_fifo_set_max ( fd_g_incoming, fd_g_config->cnf_qin_limit ) );
CHECK_FCT( fd_fifo_set_max ( fd_g_outgoing, fd_g_config->cnf_qout_limit ) );
CHECK_FCT( fd_fifo_set_max ( fd_g_local, fd_g_config->cnf_qlocal_limit ) );
return 0;
}
/* Destroy a queue after emptying it (and dumping the content) */
int fd_queues_fini(struct fifo ** queue)
{
struct msg * msg;
int ret = 0;
TRACE_ENTRY("%p", queue);
/* Note : the threads that post into this queue should already been stopped before this !!! */
CHECK_PARAMS(queue);
if (*queue == NULL)
return 0; /* the queue was not already initialized */
/* Empty all contents */
while (1) {
/* Check if there is a message in the queue */
ret = fd_fifo_tryget(*queue, &msg);
if (ret == EWOULDBLOCK)
break;
CHECK_FCT(ret);
/* We got one! */
fd_hook_call(HOOK_MESSAGE_DROPPED, msg, NULL, "Message lost because framework is terminating.", fd_msg_pmdl_get(msg));
fd_msg_free(msg);
}
/* Now, delete the empty queue */
CHECK_FCT( fd_fifo_del ( queue ) );
return 0;
}
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