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LPC2368/if/lwip/lwipNetDnsRequest.h@0:479ce5546098, 2011-12-31 (annotated)

Committer:
sherckuith
Date:
Sat Dec 31 11:25:27 2011 +0000
Revision:
0:479ce5546098
Ethernet

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sherckuith 0:479ce5546098 1
sherckuith 0:479ce5546098 2 /*
sherckuith 0:479ce5546098 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
sherckuith 0:479ce5546098 4
sherckuith 0:479ce5546098 5 Permission is hereby granted, free of charge, to any person obtaining a copy
sherckuith 0:479ce5546098 6 of this software and associated documentation files (the "Software"), to deal
sherckuith 0:479ce5546098 7 in the Software without restriction, including without limitation the rights
sherckuith 0:479ce5546098 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
sherckuith 0:479ce5546098 9 copies of the Software, and to permit persons to whom the Software is
sherckuith 0:479ce5546098 10 furnished to do so, subject to the following conditions:
sherckuith 0:479ce5546098 11
sherckuith 0:479ce5546098 12 The above copyright notice and this permission notice shall be included in
sherckuith 0:479ce5546098 13 all copies or substantial portions of the Software.
sherckuith 0:479ce5546098 14
sherckuith 0:479ce5546098 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
sherckuith 0:479ce5546098 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
sherckuith 0:479ce5546098 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
sherckuith 0:479ce5546098 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
sherckuith 0:479ce5546098 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
sherckuith 0:479ce5546098 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
sherckuith 0:479ce5546098 21 THE SOFTWARE.
sherckuith 0:479ce5546098 22 */
sherckuith 0:479ce5546098 23
sherckuith 0:479ce5546098 24 #ifndef LWIPNETDNSREQUEST_H
sherckuith 0:479ce5546098 25 #define LWIPNETDNSREQUEST_H
sherckuith 0:479ce5546098 26
sherckuith 0:479ce5546098 27 #define NET_LWIP_STACK 1
sherckuith 0:479ce5546098 28 #include "if/net/netdnsrequest.h"
sherckuith 0:479ce5546098 29
sherckuith 0:479ce5546098 30 //struct ip_addr_t;
sherckuith 0:479ce5546098 31 #include "lwip/ip_addr.h"
sherckuith 0:479ce5546098 32
sherckuith 0:479ce5546098 33 class LwipNetDnsRequest : public NetDnsRequest
sherckuith 0:479ce5546098 34 {
sherckuith 0:479ce5546098 35 public:
sherckuith 0:479ce5546098 36 LwipNetDnsRequest(const char* hostname);
sherckuith 0:479ce5546098 37 LwipNetDnsRequest(Host* pHost);
sherckuith 0:479ce5546098 38 virtual ~LwipNetDnsRequest();
sherckuith 0:479ce5546098 39
sherckuith 0:479ce5546098 40 //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet
sherckuith 0:479ce5546098 41 virtual void poll();
sherckuith 0:479ce5546098 42
sherckuith 0:479ce5546098 43 virtual void close();
sherckuith 0:479ce5546098 44
sherckuith 0:479ce5546098 45 protected:
sherckuith 0:479ce5546098 46 void foundCb(const char *name, ip_addr_t *ipaddr);
sherckuith 0:479ce5546098 47
sherckuith 0:479ce5546098 48 private:
sherckuith 0:479ce5546098 49 enum LwipNetDnsState
sherckuith 0:479ce5546098 50 {
sherckuith 0:479ce5546098 51 LWIPNETDNS_START,
sherckuith 0:479ce5546098 52 LWIPNETDNS_PROCESSING, //Req has not completed
sherckuith 0:479ce5546098 53 LWIPNETDNS_NOTFOUND,
sherckuith 0:479ce5546098 54 LWIPNETDNS_ERROR,
sherckuith 0:479ce5546098 55 LWIPNETDNS_OK
sherckuith 0:479ce5546098 56 };
sherckuith 0:479ce5546098 57
sherckuith 0:479ce5546098 58 LwipNetDnsState m_state;
sherckuith 0:479ce5546098 59 bool m_cbFired;
sherckuith 0:479ce5546098 60
sherckuith 0:479ce5546098 61 //Static callbacks : Transforms into a C++ callback
sherckuith 0:479ce5546098 62 static void sFoundCb(const char *name, ip_addr_t *ipaddr, void *arg);
sherckuith 0:479ce5546098 63
sherckuith 0:479ce5546098 64 bool m_closing;
sherckuith 0:479ce5546098 65 };
sherckuith 0:479ce5546098 66
sherckuith 0:479ce5546098 67 #endif