mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-30 00:00:11 +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.
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/** Node type: File
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*
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* This file implements the file type 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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* @addtogroup file File-IO node type
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* @ingroup node
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* @{
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*********************************************************************************/
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#ifndef _FILE_H_
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#define _FILE_H_
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#include "node.h"
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#define FILE_MAX_PATHLEN 128
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struct file {
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FILE *in;
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FILE *out;
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char *path_in;
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char *path_out;
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const char *file_mode; /**< The mode for fopen() which is used for the out file. */
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enum epoch_mode {
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EPOCH_NOW,
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EPOCH_RELATIVE,
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EPOCH_ABSOLUTE
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} epoch_mode; /**< Specifies how file::offset is calculated. */
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struct timespec start; /**< The first timestamp of the input file. */
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struct timespec epoch; /**< The epoch timestamp from the configuration. */
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struct timespec offset; /**< An offset between the timestamp in the input file and the current time */
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double rate; /**< The sending rate. */
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int tfd; /**< Timer file descriptor. Blocks until 1/rate seconds are elapsed. */
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};
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/** @see node_vtable::init */
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int file_init(int argc, char *argv[], struct settings *set);
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/** @see node_vtable::deinit */
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int file_deinit();
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/** @see node_vtable::print */
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char * file_print(struct node *n);
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/** @see node_vtable::parse */
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int file_parse(config_setting_t *cfg, struct node *n);
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/** @see node_vtable::open */
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int file_open(struct node *n);
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/** @see node_vtable::close */
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int file_close(struct node *n);
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/** @see node_vtable::read */
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int file_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 file_write(struct node *n, struct msg *pool, int poolsize, int first, int cnt);
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#endif /** _FILE_H_ @} */
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