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if/lwip/lwipNetDnsRequest.h@0:ac1725ba162c, 2010-11-09 (annotated)
- Committer:
- segundo
- Date:
- Tue Nov 09 20:54:15 2010 +0000
- Revision:
- 0:ac1725ba162c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| segundo | 0:ac1725ba162c | 1 | |
| segundo | 0:ac1725ba162c | 2 | /* |
| segundo | 0:ac1725ba162c | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| segundo | 0:ac1725ba162c | 4 | |
| segundo | 0:ac1725ba162c | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| segundo | 0:ac1725ba162c | 6 | of this software and associated documentation files (the "Software"), to deal |
| segundo | 0:ac1725ba162c | 7 | in the Software without restriction, including without limitation the rights |
| segundo | 0:ac1725ba162c | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| segundo | 0:ac1725ba162c | 9 | copies of the Software, and to permit persons to whom the Software is |
| segundo | 0:ac1725ba162c | 10 | furnished to do so, subject to the following conditions: |
| segundo | 0:ac1725ba162c | 11 | |
| segundo | 0:ac1725ba162c | 12 | The above copyright notice and this permission notice shall be included in |
| segundo | 0:ac1725ba162c | 13 | all copies or substantial portions of the Software. |
| segundo | 0:ac1725ba162c | 14 | |
| segundo | 0:ac1725ba162c | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| segundo | 0:ac1725ba162c | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| segundo | 0:ac1725ba162c | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| segundo | 0:ac1725ba162c | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| segundo | 0:ac1725ba162c | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| segundo | 0:ac1725ba162c | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| segundo | 0:ac1725ba162c | 21 | THE SOFTWARE. |
| segundo | 0:ac1725ba162c | 22 | */ |
| segundo | 0:ac1725ba162c | 23 | |
| segundo | 0:ac1725ba162c | 24 | #ifndef LWIPNETDNSREQUEST_H |
| segundo | 0:ac1725ba162c | 25 | #define LWIPNETDNSREQUEST_H |
| segundo | 0:ac1725ba162c | 26 | |
| segundo | 0:ac1725ba162c | 27 | #define NET_LWIP_STACK 1 |
| segundo | 0:ac1725ba162c | 28 | #include "if/net/netdnsrequest.h" |
| segundo | 0:ac1725ba162c | 29 | |
| segundo | 0:ac1725ba162c | 30 | //struct ip_addr_t; |
| segundo | 0:ac1725ba162c | 31 | #include "lwip/ip_addr.h" |
| segundo | 0:ac1725ba162c | 32 | |
| segundo | 0:ac1725ba162c | 33 | class LwipNetDnsRequest : public NetDnsRequest |
| segundo | 0:ac1725ba162c | 34 | { |
| segundo | 0:ac1725ba162c | 35 | public: |
| segundo | 0:ac1725ba162c | 36 | LwipNetDnsRequest(const char* hostname); |
| segundo | 0:ac1725ba162c | 37 | LwipNetDnsRequest(Host* pHost); |
| segundo | 0:ac1725ba162c | 38 | virtual ~LwipNetDnsRequest(); |
| segundo | 0:ac1725ba162c | 39 | |
| segundo | 0:ac1725ba162c | 40 | //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet |
| segundo | 0:ac1725ba162c | 41 | virtual void poll(); |
| segundo | 0:ac1725ba162c | 42 | |
| segundo | 0:ac1725ba162c | 43 | virtual void close(); |
| segundo | 0:ac1725ba162c | 44 | |
| segundo | 0:ac1725ba162c | 45 | protected: |
| segundo | 0:ac1725ba162c | 46 | void foundCb(const char *name, ip_addr_t *ipaddr); |
| segundo | 0:ac1725ba162c | 47 | |
| segundo | 0:ac1725ba162c | 48 | private: |
| segundo | 0:ac1725ba162c | 49 | enum LwipNetDnsState |
| segundo | 0:ac1725ba162c | 50 | { |
| segundo | 0:ac1725ba162c | 51 | LWIPNETDNS_START, |
| segundo | 0:ac1725ba162c | 52 | LWIPNETDNS_PROCESSING, //Req has not completed |
| segundo | 0:ac1725ba162c | 53 | LWIPNETDNS_NOTFOUND, |
| segundo | 0:ac1725ba162c | 54 | LWIPNETDNS_ERROR, |
| segundo | 0:ac1725ba162c | 55 | LWIPNETDNS_OK |
| segundo | 0:ac1725ba162c | 56 | }; |
| segundo | 0:ac1725ba162c | 57 | |
| segundo | 0:ac1725ba162c | 58 | LwipNetDnsState m_state; |
| segundo | 0:ac1725ba162c | 59 | bool m_cbFired; |
| segundo | 0:ac1725ba162c | 60 | |
| segundo | 0:ac1725ba162c | 61 | //Static callbacks : Transforms into a C++ callback |
| segundo | 0:ac1725ba162c | 62 | static void sFoundCb(const char *name, ip_addr_t *ipaddr, void *arg); |
| segundo | 0:ac1725ba162c | 63 | |
| segundo | 0:ac1725ba162c | 64 | bool m_closing; |
| segundo | 0:ac1725ba162c | 65 | }; |
| segundo | 0:ac1725ba162c | 66 | |
| segundo | 0:ac1725ba162c | 67 | #endif |