Initial import of libucore

src/ucore_logging.h

@@ -0,0 +1,62 @@
+#ifndef UCORE_LOGGING_H_
+#define UCORE_LOGGING_H_
+
+enum UC_LOG_LEVEL {
+    UC_LL_NONE    = 0,
+    UC_LL_DEBUG   = 1,
+    UC_LL_INFO    = 3,
+    UC_LL_WARNING = 5,
+    UC_LL_ERROR   = 7,
+};
+
+enum UC_LOG_DESTINATION {
+    UC_LDEST_SYSLOG,
+    UC_LDEST_STDERR,
+    UC_LDEST_FILE,
+};
+
+struct uc_log_module {
+    int id;
+    const char *short_name;
+    const char *long_name;
+    int log_level;
+};
+
+struct uc_log_modules {
+    struct uc_log_module *mods;
+    int cnt;
+};
+
+struct uc_log_destination;
+
+
+const char *uc_ll_2_str(enum UC_LOG_LEVEL l);
+
+struct uc_log_destination *uc_log_new_stderr(int log_level, int log_location);
+
+struct uc_log_destination *uc_log_new_syslog(const char *ident, int facility, int log_level, int log_location);
+
+struct uc_log_destination *uc_log_new_file(const char *filename, int log_level, int log_location);
+
+void uc_log_add_destination(struct uc_log_destination *dest);
+
+void uc_log_remove_destination(struct uc_log_destination *dest);
+
+int uc_log_module_set_loglevel(int module, enum UC_LOG_LEVEL level);
+
+int uc_log_reopen_files(void);
+
+void uc_log_init(struct uc_log_modules *user_modules);
+
+void uc_logf(int log_level, int module, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
+
+#ifdef DEBUG
+#   define UC_DEBUGF(mod, fmt, ...) uc_logf(UC_LL_DEBUG, mod, __FILE__, __LINE__, fmt, ## __VA_ARGS__)
+#else 
+#   define UC_DEBUGF(mod, fmt, ...)
+#endif
+
+#define UC_LOGF(lvl, mod, fmt, ...) uc_logf(lvl, mod, __FILE__, __LINE__, fmt, ## __VA_ARGS__)
+
+#endif
+