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added some experiments with libconfig

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git-svn-id: https://zerberus.eonerc.rwth-aachen.de:8443/svn/s2ss/trunk@6 8ec27952-4edc-4aab-86aa-e87bb2611832
This commit is contained in:
Steffen Vogel 2014-06-05 09:34:32 +00:00
parent 39b0675bd0
commit 2c5db5ee64
3 changed files with 113 additions and 0 deletions
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26
etc/s2ss.conf Normal file
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# Example configuration file for the s2ss server
# The name of this node
name = "acs";
# The debugging level (0 - 10)
debug = 10;
nodes = (
{
id = 123;
name = "acs";
type = "opal";
addr = "137.123.234.233";
port = 7582;
}
);
paths = (
{
from = "acs";
to = "trond";
reverse = true; # also setup a reverse path
log = true; # log messages
}
);

21
include/cfg.h Normal file
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/**
* Configuration parser
*
* @author Steffen Vogel <steffen.vogel@rwth-aachen.de>
* @copyright 2014, Institute for Automation of Complex Power Systems, EONERC
*/
#ifndef _CONFIG_H_
#define _CONFIG_H_
#include <libconfig.h>
#include "path.h"
#include "node.h"
int config_parse(config_t *c, const char *filename, struct path *paths, struct node *nodes);
int config_parse_path(config_setting_t *c, struct path *p);
int config_parse_node(config_setting_t *c, struct node *n);
#endif /* _CONFIG_H_ */

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src/cfg.c Normal file
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/**
* Configuration parser
*
* @author Steffen Vogel <steffen.vogel@rwth-aachen.de>
* @copyright 2014, Institute for Automation of Complex Power Systems, EONERC
*/
#include <stdlib.h>
#include "config.h"
#include "utils.h"
int config_parse(config_t *cfg, const char *filename, struct path *paths, struct node *nodes)
{
if (!config_read_file(cfg, filename)) {
logger(ERROR, "Failed to parse configuration: %s in %s:%d",
config_error_text(cfg), config_error_file(cfg), config_error_line(cfg));
exit(EXIT_FAILURE);
}
config_setting_t *cfg_root = config_root_setting(cfg);
// read global settings
int debug;
if (config_setting_lookup_int(cfg_root, "debug", &debug))
logger(DEBUG, "Setting debug level to %u", debug);
// read nodes
config_setting_t *cfg_nodes = config_setting_get_member(cfg_root, "nodes");
if (cfg_nodes) {
for (int i=0; i < config_setting_length(cfg_nodes); i++) {
config_setting_t *cfg_node = config_setting_get_elem(cfg_nodes, i);
config_parse_node(cfg_node, nodes);
}
}
// read paths
config_setting_t *cfg_paths = config_setting_get_member(cfg_root, "paths");
if (cfg_paths) {
for (int i=0; i < config_setting_length(cfg_paths); i++) {
for (int i=0; i < config_setting_length(cfg_paths); i++) {
config_setting_t *cfg_path = config_setting_get_elem(cfg_paths, i);
config_parse_path(cfg_path, &paths[i]);
}
}
}
return CONFIG_TRUE;
}
int config_parse_path(config_setting_t *c, struct path *p)
{
return CONFIG_TRUE;
}
int config_parse_node(config_setting_t *c, struct node *n)
{
config_setting_lookup_string(c, "name", (const char **) &n->name);
logger(DEBUG, "Found node: %s", n->name);
return CONFIG_TRUE;
}