Improve logging in C providers

Use CMLogMessage instead of CMTraceMessage for each message with level
> ERROR.

The logging level is now read from the config file.

The Stderr option for logging to stderr in now also honored.

1 files changed, 21 insertions, 2 deletions

diff --git a/src/openlmi.h b/src/openlmi.h
index 93778ce..7d64bd1 100644
--- a/src/openlmi.h
+++ b/src/openlmi.h
@@ -22,6 +22,7 @@
 #define OPENLMI_H
 
 #include <cmpidt.h>
+#include <stdbool.h>
 
 typedef struct {
     const char *group;
@@ -78,11 +79,26 @@ void lmi_init(const char *provider, const CMPIBroker *cb,
 char *lmi_read_config(const char *group, const char *key);
 
 /**
+ * Reads a boolean value out of configuration files or default configuration
+ * options.
+ *
+ * Values "1", "yes", "true", and "on" are converted to TRUE, others to FALSE
+ *
+ * @param group Configration group
+ * @param key Configration key
+ * @return Boolean value of the key, false if the key is not in the
+ *         configuration files neither in default options.
+ */
+bool lmi_read_config_boolean(const char *group, const char *key);
+
+/**
  * To use standard CIMOM logging facility, broker must be assigned. Without
  * calling this function, logging will go to stderr.
  *
- * \p log_id Identification of log messages
- * \p cb CMPIBroker
+ * @deprecated Use lmi_init instead
+ *
+ * @param log_id Identification of log messages
+ * @param cb CMPIBroker
  */
 void lmi_init_logging(const char *log_id, const CMPIBroker *cb);
 
@@ -96,6 +112,9 @@ int lmi_log_level(void);
 /**
  * Set logging level
  *
+ * @note This method shouldn't be used directly, user setting
+ *       from the configuration file should be honored
+ *
  * @param level new logging level
  */
 void lmi_set_log_level(int level);