From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 11 May 2026 12:40:10 +0000 (+0000)
Subject: main: Setup logging from the libraries
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=29f00ece18ea070353837ae2ad967a1b91cdba5f;p=zone-sync.git

main: Setup logging from the libraries

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/main.c b/main.c
index e9eafbf..b3120b9 100644
--- a/main.c
+++ b/main.c
@@ -24,6 +24,7 @@
 
 #include <urcu/wfcqueue.h>
 
+#include <isc/log.h>
 #include <isc/loop.h>
 #include <isc/mem.h>
 #include <isc/netmgr.h>
@@ -43,6 +44,9 @@ typedef struct ctx {
 	// Memory Context
 	isc_mem_t* memctx;
 
+	// Logging
+	isc_log_t* log;
+
 	// Loop Manager
 	isc_loopmgr_t* loopmgr;
 
@@ -90,9 +94,49 @@ static void logger(int priority, const char* format, ...) {
 }
 
 // Logging functions
-#define INFO(ctx, ...) logger(ctx, LOG_INFO, __VA_ARGS__)
-#define ERROR(ctx, ...) logger(ctx, LOG_ERR, __VA_ARGS__)
-#define DEBUG(ctx, ...) logger(ctx, LOG_DEBUG, __VA_ARGS__)
+#define INFO(...) logger(LOG_INFO, __VA_ARGS__)
+#define ERROR(...) logger(LOG_ERR, __VA_ARGS__)
+#define DEBUG(...) logger(LOG_DEBUG, __VA_ARGS__)
+
+static void setup_logging(void) {
+	isc_logconfig_t *logcfg = NULL;
+
+	/* Create the log context and a default config */
+	isc_log_create(ctx.memctx, &ctx.log, &logcfg);
+
+	/* Crank up debug verbosity */
+	isc_log_setdebuglevel(ctx.log, 99);
+
+	/* Define a channel that writes everything to stderr */
+	isc_logdestination_t dest = {
+		.file = {
+			.stream = stderr,
+			.name = NULL,
+			.versions = 0,
+			.maximum_size = 0,
+		},
+	};
+	isc_log_createchannel(
+		logcfg,
+		"stderr",                       /* channel name */
+		ISC_LOG_TOFILEDESC,             /* destination type */
+		ISC_LOG_DYNAMIC,                /* level — DYNAMIC follows setdebuglevel */
+		&dest,
+		ISC_LOG_PRINTTIME | ISC_LOG_PRINTLEVEL |
+		ISC_LOG_PRINTCATEGORY | ISC_LOG_PRINTMODULE);
+
+	/* Attach the channel to ALL categories/modules
+	* (NULL category = wildcard, NULL module = wildcard) */
+	isc_log_usechannel(logcfg, "stderr", NULL, NULL);
+
+	/* Tell libdns to register its categories/modules
+	* with this log context, and use it as default */
+	dns_log_init(ctx.log);
+	dns_log_setcontext(ctx.log);
+
+	/* Also make libisc itself use it */
+	isc_log_setcontext(ctx.log);
+}
 
 static void do_zone(ctx_t* ctx, const char* name) {
 	DEBUG(ctx, "Processing zone %s\n", name);
@@ -189,6 +233,9 @@ int main(int argc, char* argv[]) {
 	// Allocate a new memory context
 	isc_mem_create(&ctx.memctx);
 
+	// Setup logging
+	setup_logging();
+
 	// Initialize the loop manager
 	isc_loopmgr_create(ctx.memctx, 1, &ctx.loopmgr);