![](/media/cache/profiles/3f4243a6f681f2920ac3e95a63517274.50x50_q85.jpg)
code that uses Watchdog to reset Mbed every 30seconds. After 30-60mins, the ethernet interface fails to setup() after WatchDog reset.
Diff: EthernetNetIf/LPC2368/if/lwip/lwipNetDnsRequest.h
- Revision:
- 0:0ce833f21e63
diff -r 000000000000 -r 0ce833f21e63 EthernetNetIf/LPC2368/if/lwip/lwipNetDnsRequest.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf/LPC2368/if/lwip/lwipNetDnsRequest.h Thu Jun 07 05:44:29 2012 +0000 @@ -0,0 +1,67 @@ + +/* +Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +#ifndef LWIPNETDNSREQUEST_H +#define LWIPNETDNSREQUEST_H + +#define NET_LWIP_STACK 1 +#include "if/net/netdnsrequest.h" + +//struct ip_addr_t; +#include "lwip/ip_addr.h" + +class LwipNetDnsRequest : public NetDnsRequest +{ +public: + LwipNetDnsRequest(const char* hostname); + LwipNetDnsRequest(Host* pHost); + virtual ~LwipNetDnsRequest(); + + //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet + virtual void poll(); + + virtual void close(); + +protected: + void foundCb(const char *name, ip_addr_t *ipaddr); + +private: + enum LwipNetDnsState + { + LWIPNETDNS_START, + LWIPNETDNS_PROCESSING, //Req has not completed + LWIPNETDNS_NOTFOUND, + LWIPNETDNS_ERROR, + LWIPNETDNS_OK + }; + + LwipNetDnsState m_state; + bool m_cbFired; + + //Static callbacks : Transforms into a C++ callback + static void sFoundCb(const char *name, ip_addr_t *ipaddr, void *arg); + + bool m_closing; +}; + +#endif