mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-30 00:00:11 +01:00
Steffen Vogel
273e71b973
This node type allows starting the S2SS server as an asynchronous process from RT-LAB.
120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/** Configuration file parser.
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*
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* The server program is configured by a single file.
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* This config file is parsed with a third-party library:
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* libconfig http://www.hyperrealm.com/libconfig/
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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 socket;
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struct opal;
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struct gtfpga;
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struct netem;
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/** Global configuration */
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struct settings {
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/** Process priority (lower is better) */
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int priority;
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/** Process affinity of the server and all created threads */
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int affinity;
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/** Debug log level */
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int debug;
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/** Interval for path statistics. Set to 0 to disable themo disable them. */
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double stats;
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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 config 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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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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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);
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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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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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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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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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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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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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*/
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int config_parse_node(config_setting_t *cfg, struct node **nodes);
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/** Parse node connection details for OPAL type
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*
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* @param argc The CLI argument count as used in main().
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* @param argv The CLI argument list as used in main(), containing shmem parameters.
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* @param n A pointer to the node structure which should be parsed.
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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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*/
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int config_parse_opal(int argc, char *argv[], struct node *n);
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/** Parse node connection details for GTFPGA type
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*
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* @param cfg A libconfig object pointing to the node.
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* @param n A pointer to the node structure which should be parsed.
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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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*/
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int config_parse_gtfpga(config_setting_t *cfg, struct node *n);
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/** Parse node connection details for SOCKET type
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*
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* @param cfg A libconfig object pointing to the node.
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* @param n A pointer to the node structure which should be parsed.
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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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*/
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int config_parse_socket(config_setting_t *cfg, struct node *n);
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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 netem settings structure (part of the path structure).
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* @retval 0 Success. Everything went well.
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* @retval <0 Error. Something went wrong.
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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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