Add log level configuration

4 files changed, 49 insertions, 3 deletions

diff --git a/src/config.c b/src/config.c
index 8534fe2..358a785 100644
--- a/src/config.c
+++ b/src/config.c
@@ -49,7 +49,7 @@ extern fastd_protocol fastd_protocol_ec25519_fhmqvc_xsalsa20_poly1305;
 
 
 static void default_config(fastd_config *conf) {
-	conf->loglevel = LOG_DEBUG;
+	conf->loglevel = LOG_INFO;
 
 	conf->peer_stale_time = 300;
 	conf->peer_stale_time_temp = 30;
@@ -223,6 +223,24 @@ void fastd_configure(fastd_context *ctx, fastd_config *conf, int argc, char *con
 
 
 	while (i < argc) {
+		IF_OPTION_ARG("--log-level") {
+			if (!strcmp(arg, "fatal"))
+				conf->loglevel = LOG_FATAL;
+			else if (!strcmp(arg, "error"))
+				conf->loglevel = LOG_ERROR;
+			else if (!strcmp(arg, "warn"))
+				conf->loglevel = LOG_WARN;
+			else if (!strcmp(arg, "info"))
+				conf->loglevel = LOG_INFO;
+			else if (!strcmp(arg, "verbose"))
+				conf->loglevel = LOG_VERBOSE;
+			else if (!strcmp(arg, "debug"))
+				conf->loglevel = LOG_DEBUG;
+			else
+				exit_error(ctx, "invalid mode `%s'", arg);
+			continue;
+		}
+
 		IF_OPTION_ARG("-c", "--config") {
 			fastd_read_config(ctx, conf, arg, false, 0);
 			continue;
diff --git a/src/config.l b/src/config.l
index 447daed..7901faa 100644
--- a/src/config.l
+++ b/src/config.l
@@ -72,6 +72,14 @@ on		{ UPDATE_LOCATION; return TOK_ON; }
 up		{ UPDATE_LOCATION; return TOK_UP; }
 peers		{ UPDATE_LOCATION; return TOK_PEERS; }
 from		{ UPDATE_LOCATION; return TOK_FROM; }
+log		{ UPDATE_LOCATION; return TOK_LOG; }
+level 		{ UPDATE_LOCATION; return TOK_LEVEL; }
+fatal		{ UPDATE_LOCATION; return TOK_FATAL; }
+error		{ UPDATE_LOCATION; return TOK_ERROR; }
+warn		{ UPDATE_LOCATION; return TOK_WARN; }
+info		{ UPDATE_LOCATION; return TOK_INFO; }
+verbose		{ UPDATE_LOCATION; return TOK_VERBOSE; }
+debug		{ UPDATE_LOCATION; return TOK_DEBUG; }
 
 [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} {
 			UPDATE_LOCATION;
diff --git a/src/config.y b/src/config.y
index d4b9af6..37a4ea9 100644
--- a/src/config.y
+++ b/src/config.y
@@ -72,6 +72,14 @@
 %token TOK_UP
 %token TOK_PEERS
 %token TOK_FROM
+%token TOK_LOG
+%token TOK_LEVEL
+%token TOK_FATAL
+%token TOK_ERROR
+%token TOK_WARN
+%token TOK_INFO
+%token TOK_VERBOSE
+%token TOK_DEBUG
 
 %token <addr> TOK_ADDR
 %token <addr6> TOK_ADDR6
@@ -107,7 +115,8 @@ config:		config statement
 	|
 	;
 
-statement:	TOK_INTERFACE interface ';'
+statement:	TOK_LOG log ';'
+	| 	TOK_INTERFACE interface ';'
 	| 	TOK_BIND bind ';'
 	|	TOK_MTU mtu ';'
 	|	TOK_MODE mode ';'
@@ -118,6 +127,17 @@ statement:	TOK_INTERFACE interface ';'
 	|	TOK_INCLUDE include ';'
 	;
 
+log:		TOK_LEVEL log_level
+	;
+
+log_level:	TOK_FATAL	{ conf->loglevel = LOG_FATAL; }
+	|	TOK_ERROR	{ conf->loglevel = LOG_ERROR; }
+	|	TOK_WARN	{ conf->loglevel = LOG_WARN; }
+	|	TOK_INFO	{ conf->loglevel = LOG_INFO; }
+	|	TOK_VERBOSE	{ conf->loglevel = LOG_VERBOSE; }
+	|	TOK_DEBUG	{ conf->loglevel = LOG_DEBUG; }
+	;
+
 interface:	TOK_STRING	{ free(conf->ifname); conf->ifname = $1; }
 	;
 
diff --git a/src/fastd.h b/src/fastd.h
index 8e63884..e48929d 100644
--- a/src/fastd.h
+++ b/src/fastd.h
@@ -158,7 +158,7 @@ static inline int fastd_rand(fastd_context *ctx, int min, int max) {
 #define pr_error(ctx, args...) pr_log(ctx, LOG_ERROR, "Error: ", args)
 #define pr_warn(ctx, args...) pr_log(ctx, LOG_WARN, "Warning: ", args)
 #define pr_info(ctx, args...) pr_log(ctx, LOG_INFO, "Info: ", args)
-#define pr_verbose(ctx, args...) pr_log(ctx, LOG_INFO, "Verbose: ", args)
+#define pr_verbose(ctx, args...) pr_log(ctx, LOG_VERBOSE, "Verbose: ", args)
 #define pr_debug(ctx, args...) pr_log(ctx, LOG_DEBUG, "DEBUG: ", args)
 
 #define warn_errno(ctx, message) pr_warn(ctx, "%s: %s", message, strerror(errno))