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VILLASnode/src/villas-conf2json.cpp
Steffen Vogel 02a2aa4f94 Apply clang-format changes
Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
2023-09-08 11:37:42 +02:00

86 lines
1.6 KiB
C++

/* Convert old style config to new JSON format.
*
* Author: Steffen Vogel <post@steffenvogel.de>
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
* SPDX-License-Identifier: Apache-2.0
*/
#include <iostream>
#include <jansson.h>
#include <libconfig.h>
#include <libgen.h>
#include <villas/config.hpp>
#include <villas/config_helper.hpp>
#include <villas/tool.hpp>
#include <villas/utils.hpp>
namespace villas {
namespace node {
namespace tools {
class Config2Json : public Tool {
public:
Config2Json(int argc, char *argv[]) : Tool(argc, argv, "conf2json") {}
protected:
void usage() {
std::cout << "Usage: conf2json input.conf > output.json" << std::endl
<< std::endl;
printCopyright();
}
int main() {
int ret;
config_t cfg;
config_setting_t *cfg_root;
json_t *json;
if (argc != 2) {
usage();
exit(EXIT_FAILURE);
}
FILE *f = fopen(argv[1], "r");
if (f == nullptr)
return -1;
const char *confdir = dirname(argv[1]);
config_init(&cfg);
config_set_include_dir(&cfg, confdir);
ret = config_read(&cfg, f);
if (ret != CONFIG_TRUE)
return -2;
cfg_root = config_root_setting(&cfg);
json = config_to_json(cfg_root);
if (!json)
return -3;
ret = json_dumpf(json, stdout, JSON_INDENT(2));
fflush(stdout);
if (ret)
return ret;
json_decref(json);
config_destroy(&cfg);
return 0;
}
};
} // namespace tools
} // namespace node
} // namespace villas
int main(int argc, char *argv[]) {
villas::node::tools::Config2Json t(argc, argv);
return t.run();
}