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extmod/modlwip: Start adding debug output.

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This commit is contained in:
Paul Sokolovsky 2016-04-14 01:15:52 +03:00
parent fef0d9818a
commit 44ab5c3ef1
1 changed files with 7 additions and 0 deletions
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7
extmod/modlwip.c
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@ -44,6 +44,12 @@
//#include "lwip/raw.h" //#include "lwip/raw.h"
#include "lwip/dns.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. // For compatibilily with older lwIP versions.
#ifndef ip_set_option #ifndef ip_set_option
#define ip_set_option(pcb, opt) ((pcb)->so_options |= (opt)) #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) { if (p == NULL) {
// Other side has closed connection. // Other side has closed connection.
DEBUG_printf("_lwip_tcp_recv[%p]: other side closed connection\n", socket);
socket->state = STATE_PEER_CLOSED; socket->state = STATE_PEER_CLOSED;
return ERR_OK; return ERR_OK;
} else if (socket->incoming.pbuf != NULL) { } else if (socket->incoming.pbuf != NULL) {