mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-23 00:00:01 +01:00
Steffen Vogel
bfb0221ccf
The new versions of those string concatenating functions are using realloc() to dynamically resize the string buffer if needed. We don't use the stack anymore.
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/** Node type: OPAL (libOpalAsync API)
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*
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* This file implements the opal subtype for nodes.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2015, Institute for Automation of Complex Power Systems, EONERC
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* This file is part of S2SS. All Rights Reserved. Proprietary and confidential.
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* Unauthorized copying of this file, via any medium is strictly prohibited.
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*/
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/**
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* @ingroup node
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* @addtogroup opal OPAL-RT Async Process node type
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* @{
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**********************************************************************************/
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#ifndef _OPAL_H_
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#define _OPAL_H_
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#include <pthread.h>
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#include "node.h"
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#include "msg.h"
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/* Define RTLAB before including OpalPrint.h for messages to be sent
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* to the OpalDisplay. Otherwise stdout will be used. */
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#define RTLAB
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#include "OpalPrint.h"
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#include "AsyncApi.h"
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#include "OpalGenAsyncParamCtrl.h"
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/** This global structure holds libOpalAsync related information.
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* It's only used once in the code. */
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struct opal_global {
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/** Shared Memory identifiers and size, provided via argv. */
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char *async_shmem_name, *print_shmem_name;
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int async_shmem_size;
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/** Number of send blocks used in the running OPAL model. */
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int send_icons, recv_icons;
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/** A dynamically allocated array of SendIDs. */
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int *send_ids, *recv_ids;
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/** String and Float parameters, provided by the OPAL AsyncProcess block. */
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Opal_GenAsyncParam_Ctrl params;
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/** Big Global Lock for libOpalAsync API */
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pthread_mutex_t lock;
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};
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struct opal {
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int reply;
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int mode;
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int send_id;
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int recv_id;
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int seq_no;
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Opal_SendAsyncParam send_params;
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Opal_RecvAsyncParam recv_params;
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};
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/** Initialize global OPAL settings and maps shared memory regions.
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*
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* @see node_vtable::init
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*/
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int opal_init(int argc, char *argv[], struct settings *set);
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/** Free global OPAL settings and unmaps shared memory regions.
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*
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* @see node_vtable::deinit
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*/
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int opal_deinit();
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/** @see node_vtable::parse */
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int opal_parse(config_setting_t *cfg, struct node *n);
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/** @see node_vtable::print */
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char * opal_print(struct node *n);
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int opal_print_global(struct opal_global *g);
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/** @see node_vtable::open */
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int opal_open(struct node *n);
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/** @see node_vtable::close */
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int opal_close(struct node *n);
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/** @see node_vtable::read */
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int opal_read(struct node *n, struct msg *pool, int poolsize, int first, int cnt);
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/** @see node_vtable::write */
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int opal_write(struct node *n, struct msg *pool, int poolsize, int first, int cnt);
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#endif /** _OPAL_H_ @} */
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