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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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int file_print(struct node *n, char *buf, int len);
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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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