mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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Steffen Vogel
9c827aee00
git-svn-id: https://zerberus.eonerc.rwth-aachen.de:8443/svn/s2ss/trunk@95 8ec27952-4edc-4aab-86aa-e87bb2611832
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/** Configuration file parser.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014, Institute for Automation of Complex Power Systems, EONERC
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* @file
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*/
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#ifndef _CFG_H_
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#define _CFG_H_
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#include <libconfig.h>
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struct node;
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struct path;
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struct interface;
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struct netem;
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/** Global configuration */
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struct settings {
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/** Name of this node */
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const char *name;
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/** Task priority (lower is better) */
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int priority;
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/** Core affinity of this task */
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int affinity;
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/** Protocol version of UDP packages */
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int protocol;
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/** User for the server process */
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int uid;
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/** Group for the server process */
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int gid;
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/** A libconfig object pointing to the root of the config file */
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config_setting_t *cfg;
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};
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/** Parse configuration file and store settings in supplied struct settings.
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*
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* @param filename The path to the configration file (relative or absolute)
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* @param cfg A initialized libconfig object
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* @param set The global configuration structure
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* @param nodes A linked list of nodes which should be parsed
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* @param paths A linked list of paths which should be parsed
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* @param interfaces A linked list of interfaces which should be parsed
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* @return
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* - 0 on success
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* - otherwise an error occured
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*/
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int config_parse(const char *filename, config_t *cfg, struct settings *set,
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struct node **nodes, struct path **paths, struct interface **interfaces);
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/** Parse the global section of a configuration file.
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*
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* @param cfg A libconfig object pointing to the root of the file
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* @param set The global configuration file
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* @return
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* - 0 on success
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* - otherwise an error occured
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*/
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int config_parse_global(config_setting_t *cfg, struct settings *set);
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/** Parse a single path and add it to the global configuration.
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*
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* @param cfg A libconfig object pointing to the path
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* @param paths Add new paths to this linked list
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* @param nodes A linked list of all existing nodes
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* @return
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* - 0 on success
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* - otherwise an error occured
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*/
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int config_parse_path(config_setting_t *cfg,
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struct path **paths, struct node **nodes);
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/** Parse a single node and add it to the global configuration.
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*
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* @param cfg A libconfig object pointing to the node
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* @param nodes Add new nodes to this linked list
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* @param interfaces Search this list for existing interfaces
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* @return
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* - 0 on success
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* - otherwise an error occured
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*/
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int config_parse_node(config_setting_t *cfg,
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struct node **nodes, struct interface **interfaces);
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/** Parse network emulator (netem) settings
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*
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* @param cfg A libconfig object containing the settings
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* @param em A pointer to the settings
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* @return
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* - 0 on success
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* - otherwise an error occured
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*/
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int config_parse_netem(config_setting_t *cfg, struct netem *em);
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#endif /* _CFG_H_ */
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