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lwip-contrib-mac
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Improved debug output on sending data

This commit is contained in:
goldsimon 2010-11-20 17:29:35 +00:00
parent dc0cd64e63
commit 61cd545508
1 changed files with 8 additions and 1 deletions
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9
apps/httpserver_raw/httpd.c
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@ -457,7 +457,7 @@ http_write(struct tcp_pcb *pcb, const void* ptr, u16_t *length, u8_t apiflags)
LWIP_ASSERT("length != NULL", length != NULL);
len = *length;
do {
LWIP_DEBUGF(HTTPD_DEBUG | LWIP_DBG_TRACE, ("Sending %d bytes\n", len));
LWIP_DEBUGF(HTTPD_DEBUG | LWIP_DBG_TRACE, ("Trying go send %d bytes\n", len));
err = tcp_write(pcb, ptr, len, apiflags);
if (err == ERR_MEM) {
if ((tcp_sndbuf(pcb) == 0) ||
@ -467,9 +467,16 @@ http_write(struct tcp_pcb *pcb, const void* ptr, u16_t *length, u8_t apiflags)
} else {
len /= 2;
}
LWIP_DEBUGF(HTTPD_DEBUG | LWIP_DBG_TRACE, ("Send failed, trying less\n", len));
}
} while ((err == ERR_MEM) && (len > 1));
if (err == ERR_OK) {
LWIP_DEBUGF(HTTPD_DEBUG | LWIP_DBG_TRACE, ("Sent %d bytes\n", len));
} else {
LWIP_DEBUGF(HTTPD_DEBUG | LWIP_DBG_TRACE, ("Send failed with err %d (\"%s\")\n", err, lwip_strerr(err)));
}
*length = len;
return err;
}