From: John Crispin <blogic@openwrt.org>
Date: Tue, 2 Sep 2014 13:15:23 +0000 (+0200)
Subject: nicer debug output on rx
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=577c0b6efed8124ade1a52336cfc546297b2a491;p=oweals%2Fmdnsd.git

nicer debug output on rx

Signed-off-by: John Crispin <blogic@openwrt.org>
---

diff --git a/interface.c b/interface.c
index bb4282f..dc65415 100644
--- a/interface.c
+++ b/interface.c
@@ -188,20 +188,26 @@ read_socket4(struct uloop_fd *u, unsigned int events)
 		}
 	}
 
-	if (0) {
+	if (ttl != 255)
+		return;
+
+	if (debug > 1) {
 		char buf[256];
 
+		fprintf(stderr, "iface: %s\n", iface->name);
+		fprintf(stderr, "  v6: %d\n", iface->v6);
+		fprintf(stderr, "  multicast: %d\n", iface->multicast);
 		inet_ntop(AF_INET, &from.sin_addr, buf, 256);
-		fprintf(stderr, "%s:%s[%d]%s:%d\n", __FILE__, __func__, __LINE__, buf, from.sin_port);
+		fprintf(stderr, "  src %s:%d\n", buf, from.sin_port);
 		inet_ntop(AF_INET, &inp->ipi_spec_dst, buf, 256);
-		fprintf(stderr, "%s:%s[%d]%s:%d\n", __FILE__, __func__, __LINE__, buf, from.sin_port);
+		fprintf(stderr, "  dst %s\n", buf);
 		inet_ntop(AF_INET, &inp->ipi_addr, buf, 256);
-		fprintf(stderr, "%s:%s[%d]%s:%d\n", __FILE__, __func__, __LINE__, buf, from.sin_port);
+		fprintf(stderr, "  real %s\n", buf);
 	}
 
 	if (inp->ipi_ifindex != iface->ifindex)
 		fprintf(stderr, "invalid iface index %d != %d\n", ifindex, iface->ifindex);
-	else if (ttl == 255)
+	else
 		dns_handle_packet(iface, buffer, len, 0);
 }