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EthernetNetIf/LPC1768/api/DNSRequest.h@0:58c3d014a4e7, 2011-09-06 (annotated)

Committer:: slowness
Date:: Tue Sep 06 18:05:46 2011 +0000
Revision:: 0:58c3d014a4e7

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User	Revision	Line number	New contents of line
slowness	0:58c3d014a4e7	1
slowness	0:58c3d014a4e7	2	/*
slowness	0:58c3d014a4e7	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
slowness	0:58c3d014a4e7	4
slowness	0:58c3d014a4e7	5	Permission is hereby granted, free of charge, to any person obtaining a copy
slowness	0:58c3d014a4e7	6	of this software and associated documentation files (the "Software"), to deal
slowness	0:58c3d014a4e7	7	in the Software without restriction, including without limitation the rights
slowness	0:58c3d014a4e7	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
slowness	0:58c3d014a4e7	9	copies of the Software, and to permit persons to whom the Software is
slowness	0:58c3d014a4e7	10	furnished to do so, subject to the following conditions:
slowness	0:58c3d014a4e7	11
slowness	0:58c3d014a4e7	12	The above copyright notice and this permission notice shall be included in
slowness	0:58c3d014a4e7	13	all copies or substantial portions of the Software.
slowness	0:58c3d014a4e7	14
slowness	0:58c3d014a4e7	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
slowness	0:58c3d014a4e7	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
slowness	0:58c3d014a4e7	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
slowness	0:58c3d014a4e7	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
slowness	0:58c3d014a4e7	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
slowness	0:58c3d014a4e7	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
slowness	0:58c3d014a4e7	21	THE SOFTWARE.
slowness	0:58c3d014a4e7	22	*/
slowness	0:58c3d014a4e7	23
slowness	0:58c3d014a4e7	24	/** \file
slowness	0:58c3d014a4e7	25	DNS Request header file
slowness	0:58c3d014a4e7	26	*/
slowness	0:58c3d014a4e7	27
slowness	0:58c3d014a4e7	28	#ifndef DNSREQUEST_H
slowness	0:58c3d014a4e7	29	#define DNSREQUEST_H
slowness	0:58c3d014a4e7	30
slowness	0:58c3d014a4e7	31	#include "core/net.h"
slowness	0:58c3d014a4e7	32	#include "core/ipaddr.h"
slowness	0:58c3d014a4e7	33	#include "core/host.h"
slowness	0:58c3d014a4e7	34	//Essentially it is a safe interface to NetDnsRequest
slowness	0:58c3d014a4e7	35
slowness	0:58c3d014a4e7	36	///DNS Request error codes
slowness	0:58c3d014a4e7	37	enum DNSRequestErr
slowness	0:58c3d014a4e7	38	{
slowness	0:58c3d014a4e7	39	__DNS_MIN = -0xFFFF,
slowness	0:58c3d014a4e7	40	DNS_SETUP, ///<DNSRequest not properly configured
slowness	0:58c3d014a4e7	41	DNS_IF, ///<Interface has problems, does not exist or is not initialized
slowness	0:58c3d014a4e7	42	DNS_MEM, ///<Not enough mem
slowness	0:58c3d014a4e7	43	DNS_INUSE, ///<Interface / Port is in use
slowness	0:58c3d014a4e7	44	DNS_PROCESSING, ///<Request has not completed
slowness	0:58c3d014a4e7	45	//...
slowness	0:58c3d014a4e7	46	DNS_OK = 0 ///<Success
slowness	0:58c3d014a4e7	47	};
slowness	0:58c3d014a4e7	48
slowness	0:58c3d014a4e7	49	///DNS Request Result Events
slowness	0:58c3d014a4e7	50	enum DNSReply
slowness	0:58c3d014a4e7	51	{
slowness	0:58c3d014a4e7	52	DNS_PRTCL,
slowness	0:58c3d014a4e7	53	DNS_NOTFOUND, ///Hostname is unknown
slowness	0:58c3d014a4e7	54	DNS_ERROR, ///Problem with DNS Service
slowness	0:58c3d014a4e7	55	//...
slowness	0:58c3d014a4e7	56	DNS_FOUND,
slowness	0:58c3d014a4e7	57	};
slowness	0:58c3d014a4e7	58
slowness	0:58c3d014a4e7	59	class NetDnsRequest;
slowness	0:58c3d014a4e7	60	enum NetDnsReply;
slowness	0:58c3d014a4e7	61
slowness	0:58c3d014a4e7	62	///This is a simple DNS Request class
slowness	0:58c3d014a4e7	63	/**
slowness	0:58c3d014a4e7	64	This class exposes an API to deal with DNS Requests
slowness	0:58c3d014a4e7	65	*/
slowness	0:58c3d014a4e7	66	class DNSRequest
slowness	0:58c3d014a4e7	67	{
slowness	0:58c3d014a4e7	68	public:
slowness	0:58c3d014a4e7	69	///Creates a new request
slowness	0:58c3d014a4e7	70	DNSRequest();
slowness	0:58c3d014a4e7	71
slowness	0:58c3d014a4e7	72	///Terminates and closes request
slowness	0:58c3d014a4e7	73	~DNSRequest();
slowness	0:58c3d014a4e7	74
slowness	0:58c3d014a4e7	75	///Resolves an hostname
slowness	0:58c3d014a4e7	76	/**
slowness	0:58c3d014a4e7	77	@param hostname : hostname to resolve
slowness	0:58c3d014a4e7	78	*/
slowness	0:58c3d014a4e7	79	DNSRequestErr resolve(const char* hostname);
slowness	0:58c3d014a4e7	80
slowness	0:58c3d014a4e7	81	///Resolves an hostname
slowness	0:58c3d014a4e7	82	/**
slowness	0:58c3d014a4e7	83	@param host : hostname to resolve, the result will be stored in the IpAddr field of this object
slowness	0:58c3d014a4e7	84	*/
slowness	0:58c3d014a4e7	85	DNSRequestErr resolve(Host* pHost);
slowness	0:58c3d014a4e7	86
slowness	0:58c3d014a4e7	87	///Setups callback
slowness	0:58c3d014a4e7	88	/**
slowness	0:58c3d014a4e7	89	The callback function will be called on result.
slowness	0:58c3d014a4e7	90	@param pMethod : callback function
slowness	0:58c3d014a4e7	91	*/
slowness	0:58c3d014a4e7	92	void setOnReply( void (*pMethod)(DNSReply) );
slowness	0:58c3d014a4e7	93
slowness	0:58c3d014a4e7	94	class CDummy;
slowness	0:58c3d014a4e7	95	///Setups callback
slowness	0:58c3d014a4e7	96	/**
slowness	0:58c3d014a4e7	97	The callback function will be called on result.
slowness	0:58c3d014a4e7	98	@param pItem : instance of class on which to execute the callback method
slowness	0:58c3d014a4e7	99	@param pMethod : callback method
slowness	0:58c3d014a4e7	100	*/
slowness	0:58c3d014a4e7	101	template<class T>
slowness	0:58c3d014a4e7	102	void setOnReply( T* pItem, void (T::*pMethod)(DNSReply) )
slowness	0:58c3d014a4e7	103	{
slowness	0:58c3d014a4e7	104	m_pCbItem = (CDummy*) pItem;
slowness	0:58c3d014a4e7	105	m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod;
slowness	0:58c3d014a4e7	106	}
slowness	0:58c3d014a4e7	107
slowness	0:58c3d014a4e7	108	///Gets IP address once it has been resolved
slowness	0:58c3d014a4e7	109	/**
slowness	0:58c3d014a4e7	110	@param pIp : pointer to an IpAddr instance in which to store the resolved IP address
slowness	0:58c3d014a4e7	111	*/
slowness	0:58c3d014a4e7	112	DNSRequestErr getResult(IpAddr* pIp);
slowness	0:58c3d014a4e7	113
slowness	0:58c3d014a4e7	114	///Closes DNS Request before completion
slowness	0:58c3d014a4e7	115	DNSRequestErr close();
slowness	0:58c3d014a4e7	116
slowness	0:58c3d014a4e7	117	protected:
slowness	0:58c3d014a4e7	118	void onNetDnsReply(NetDnsReply r);
slowness	0:58c3d014a4e7	119	DNSRequestErr checkInst();
slowness	0:58c3d014a4e7	120
slowness	0:58c3d014a4e7	121	private:
slowness	0:58c3d014a4e7	122	NetDnsRequest* m_pNetDnsRequest;
slowness	0:58c3d014a4e7	123
slowness	0:58c3d014a4e7	124	CDummy* m_pCbItem;
slowness	0:58c3d014a4e7	125	void (CDummy::*m_pCbMeth)(DNSReply);
slowness	0:58c3d014a4e7	126
slowness	0:58c3d014a4e7	127	void (*m_pCb)(DNSReply);
slowness	0:58c3d014a4e7	128
slowness	0:58c3d014a4e7	129	};
slowness	0:58c3d014a4e7	130
slowness	0:58c3d014a4e7	131	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	06 Sep 2011
Imports:	112
Forks:	0
Commits:	1
Dependents:	1
Dependencies:	1
Followers:	2

EthernetNetIf/LPC1768/api/DNSRequest.h@0:58c3d014a4e7, 2011-09-06 (annotated)

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