log: add log functions and LOG_GRP_MODULE group for users's modules

logging

.luacheckrc

@@ -32,6 +32,7 @@ new_read_globals = {
 	'hour',
 	'day',
 	'panic',
+	'log',
 	'log_error',
 	'log_warn',
 	'log_info',

daemon/lua/kres-gen-29.lua

@@ -307,7 +307,7 @@ struct kr_server_selection {
 	struct local_state *local_state;
 };
 typedef int log_level_t;
-enum kr_log_group {LOG_GRP_SYSTEM = 1, LOG_GRP_CACHE, LOG_GRP_IO, LOG_GRP_NETWORK, LOG_GRP_TA, LOG_GRP_TLS, LOG_GRP_GNUTLS, LOG_GRP_TLSCLIENT, LOG_GRP_XDP, LOG_GRP_ZIMPORT, LOG_GRP_ZSCANNER, LOG_GRP_DOH, LOG_GRP_DNSSEC, LOG_GRP_HINT, LOG_GRP_PLAN, LOG_GRP_ITERATOR, LOG_GRP_VALIDATOR, LOG_GRP_RESOLVER, LOG_GRP_SELECTION, LOG_GRP_ZCUT, LOG_GRP_COOKIES, LOG_GRP_STATISTICS, LOG_GRP_REBIND, LOG_GRP_WORKER, LOG_GRP_POLICY, LOG_GRP_TASENTINEL, LOG_GRP_TASIGNALING, LOG_GRP_TAUPDATE, LOG_GRP_DAF, LOG_GRP_DETECTTIMEJUMP, LOG_GRP_DETECTTIMESKEW, LOG_GRP_GRAPHITE, LOG_GRP_PREFILL, LOG_GRP_PRIMING, LOG_GRP_SRVSTALE, LOG_GRP_WATCHDOG, LOG_GRP_NSID, LOG_GRP_DNSTAP, LOG_GRP_TESTS, LOG_GRP_DOTAUTH, LOG_GRP_HTTP, LOG_GRP_CONTROL, LOG_GRP_DEVEL};
+enum kr_log_group {LOG_GRP_SYSTEM = 1, LOG_GRP_CACHE, LOG_GRP_IO, LOG_GRP_NETWORK, LOG_GRP_TA, LOG_GRP_TLS, LOG_GRP_GNUTLS, LOG_GRP_TLSCLIENT, LOG_GRP_XDP, LOG_GRP_ZIMPORT, LOG_GRP_ZSCANNER, LOG_GRP_DOH, LOG_GRP_DNSSEC, LOG_GRP_HINT, LOG_GRP_PLAN, LOG_GRP_ITERATOR, LOG_GRP_VALIDATOR, LOG_GRP_RESOLVER, LOG_GRP_SELECTION, LOG_GRP_ZCUT, LOG_GRP_COOKIES, LOG_GRP_STATISTICS, LOG_GRP_REBIND, LOG_GRP_WORKER, LOG_GRP_POLICY, LOG_GRP_TASENTINEL, LOG_GRP_TASIGNALING, LOG_GRP_TAUPDATE, LOG_GRP_DAF, LOG_GRP_DETECTTIMEJUMP, LOG_GRP_DETECTTIMESKEW, LOG_GRP_GRAPHITE, LOG_GRP_PREFILL, LOG_GRP_PRIMING, LOG_GRP_SRVSTALE, LOG_GRP_WATCHDOG, LOG_GRP_NSID, LOG_GRP_DNSTAP, LOG_GRP_TESTS, LOG_GRP_DOTAUTH, LOG_GRP_HTTP, LOG_GRP_CONTROL, LOG_GRP_MODULE, LOG_GRP_DEVEL};
 
 kr_layer_t kr_layer_t_static;
 _Bool kr_dbg_assertion_abort;

daemon/lua/sandbox.lua.in

@@ -65,6 +65,10 @@ function log_debug(grp, fmt, ...)
 	log_fmt(grp, LOG_DEBUG, fmt, ...)
 end
 
+function log(fmt, ...)
+	log_info(ffi.C.LOG_GRP_MODULE, fmt, ...)
+end
+
 -- Resolver bindings
 kres = require('kres')
 if rawget(kres, 'str2dname') ~= nil then

lib/log.c

@@ -71,6 +71,7 @@ log_group_names_t log_group_names[] = {
 	GRP_NAME_ITEM(LOG_GRP_DOTAUTH),
 	GRP_NAME_ITEM(LOG_GRP_HTTP),
 	GRP_NAME_ITEM(LOG_GRP_CONTROL),
+	GRP_NAME_ITEM(LOG_GRP_MODULE),
 	GRP_NAME_ITEM(LOG_GRP_DEVEL),
 	{ NULL,		-1 },
 };

lib/log.h

@@ -67,6 +67,7 @@ enum kr_log_group {
 	LOG_GRP_DOTAUTH,
 	LOG_GRP_HTTP,
 	LOG_GRP_CONTROL,
+	LOG_GRP_MODULE,
 	/* ^^ Add new log groups above ^^. */
 	LOG_GRP_DEVEL,  /* Must be last entry in enum! */
 };
@@ -118,6 +119,7 @@ typedef struct {
 #define LOG_GRP_DOTAUTH_TAG		"dotaut"
 #define LOG_GRP_HTTP_TAG		"http"
 #define LOG_GRP_CONTROL_TAG		"contrl"
+#define LOG_GRP_MODULE_TAG		"module"
 #define LOG_GRP_DEVEL_TAG		"devel"
 
 KR_EXPORT
@@ -175,6 +177,10 @@ void kr_log_init(log_level_t level, log_target_t target);
 #define kr_log_deprecate(grp, fmt, ...) \
 	kr_log_fmt(LOG_GRP_ ## grp, LOG_WARNING,SD_JOURNAL_METADATA, \
 			"[%-6s] deprecation WARNING: " fmt, LOG_GRP_ ## grp ## _TAG, ## __VA_ARGS__)
+#define kr_log(fmt, ...) \
+	kr_log_fmt(LOG_GRP_MODULE, LOG_INFO, SD_JOURNAL_METADATA, \
+			"[%-6s] " fmt, LOG_GRP_MODULE_TAG, ## __VA_ARGS__)
+
 
 #define KR_LOG_LEVEL_IS(exp) ((kr_log_level >= (exp)) ? true : false)