native_dynamic_config.c

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#include "native_dynamic_config.h"
 
#include "native_app_config.h"
#include "native_json_config.h"
#include "native_support.h"
 
#include <stdlib.h>
#include <string.h>
 
int native_dynamic_config_key_is_path(const char *key) {
  return key != NULL && (
    streq(key, "db_path") ||
    streq(key, "db_tls_root_cert") ||
    streq(key, "db_tls_cert") ||
    streq(key, "db_tls_key")
  );
}
 
char *native_dynamic_config_resolve_value_dup(
  const char *conf_path,
  const char *key,
  const char *raw_value
) {
  if (raw_value == NULL) {
    return NULL;
  }
  if (native_dynamic_config_key_is_path(key)) {
    return resolve_conf_relative_path_native(conf_path, raw_value);
  }
  return strdup(raw_value);
}
 
char *native_dynamic_config_lookup_raw_dup(const char *conf_path, const char *key) {
  if (conf_path == NULL || conf_path[0] == '\0' || key == NULL || key[0] == '\0' || !path_exists(conf_path)) {
    return NULL;
  }
  return conf_lookup_value(conf_path, key);
}
 
char *native_dynamic_config_merged_value_dup(
  const char *app_root,
  const char *runtime_conf_path,
  const char *key
) {
  char *raw_value = NULL;
  char *resolved_value = NULL;
  char *app_conf_path = NULL;
 
  if (key == NULL || key[0] == '\0') {
    return NULL;
  }
 
  raw_value = native_dynamic_config_lookup_raw_dup(runtime_conf_path, key);
  if (raw_value != NULL) {
    resolved_value = native_dynamic_config_resolve_value_dup(runtime_conf_path, key, raw_value);
    free(raw_value);
    return resolved_value;
  }
 
  app_conf_path = app_local_conf_path_native(app_root);
  raw_value = native_dynamic_config_lookup_raw_dup(app_conf_path, key);
  if (raw_value != NULL) {
    resolved_value = native_dynamic_config_resolve_value_dup(app_conf_path, key, raw_value);
    free(raw_value);
  }
  free(app_conf_path);
  return resolved_value;
}