From 44ab5c3ef16d9e6babb2a344a26ff6f857eb4124 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Thu, 14 Apr 2016 01:15:52 +0300
Subject: [PATCH] extmod/modlwip: Start adding debug output.
---
extmod/modlwip.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/extmod/modlwip.c b/extmod/modlwip.c
index 441fd8cec..73beeb071 100644
--- a/extmod/modlwip.c
+++ b/extmod/modlwip.c
@@ -44,6 +44,12 @@
//#include "lwip/raw.h"
#include "lwip/dns.h"
+#if 0 // print debugging info
+#define DEBUG_printf DEBUG_printf
+#else // don't print debugging info
+#define DEBUG_printf(...) (void)0
+#endif
+
// For compatibilily with older lwIP versions.
#ifndef ip_set_option
#define ip_set_option(pcb, opt) ((pcb)->so_options |= (opt))
@@ -318,6 +324,7 @@ STATIC err_t _lwip_tcp_recv(void *arg, struct tcp_pcb *tcpb, struct pbuf *p, err
if (p == NULL) {
// Other side has closed connection.
+ DEBUG_printf("_lwip_tcp_recv[%p]: other side closed connection\n", socket);
socket->state = STATE_PEER_CLOSED;
return ERR_OK;
} else if (socket->incoming.pbuf != NULL) {
--
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