From: Guus Sliepen <guus@meshlink.io>
Date: Fri, 30 Oct 2015 22:42:35 +0000 (+0100)
Subject: Add more debug messages.
X-Git-Url: https://git.meshlink.io/?a=commitdiff_plain;h=526b4278d148a1d902ca4144e2f6c6f8436aa06e;p=utcp

Add more debug messages.
---

diff --git a/test.c b/test.c
index 15d5772..a078e1f 100644
--- a/test.c
+++ b/test.c
@@ -215,7 +215,8 @@ int main(int argc, char *argv[]) {
 			inpktno++;
 			if(inpktno >= dropto || inpktno < dropfrom || drand48() >= dropin) {
 				total_in += len;
-				utcp_recv(u, buf, len);
+				if(utcp_recv(u, buf, len) == -1)
+					debug("Error receiving UTCP packet: %s\n", strerror(errno));
 			} else {
 				debug("Dropped incoming packet\n");
 			}
diff --git a/utcp.c b/utcp.c
index 026fb31..9bae7b9 100644
--- a/utcp.c
+++ b/utcp.c
@@ -857,8 +857,10 @@ ssize_t utcp_recv(struct utcp *utcp, const void *data, size_t len) {
 	// In case this is for a CLOSED connection, ignore the packet.
 	// TODO: make it so incoming packets can never match a CLOSED connection.
 
-	if(c->state == CLOSED)
+	if(c->state == CLOSED) {
+		debug("Got packet for closed connection\n");
 		return 0;
+	}
 
 	// It is for an existing connection.