Simon Ford / NetServices

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

api/DNSRequest.cpp@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1
simon 0:350011bf8be7 2 /*
simon 0:350011bf8be7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
simon 0:350011bf8be7 4
simon 0:350011bf8be7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:350011bf8be7 6 of this software and associated documentation files (the "Software"), to deal
simon 0:350011bf8be7 7 in the Software without restriction, including without limitation the rights
simon 0:350011bf8be7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:350011bf8be7 9 copies of the Software, and to permit persons to whom the Software is
simon 0:350011bf8be7 10 furnished to do so, subject to the following conditions:
simon 0:350011bf8be7 11
simon 0:350011bf8be7 12 The above copyright notice and this permission notice shall be included in
simon 0:350011bf8be7 13 all copies or substantial portions of the Software.
simon 0:350011bf8be7 14
simon 0:350011bf8be7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:350011bf8be7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:350011bf8be7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:350011bf8be7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:350011bf8be7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:350011bf8be7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:350011bf8be7 21 THE SOFTWARE.
simon 0:350011bf8be7 22 */
simon 0:350011bf8be7 23
simon 0:350011bf8be7 24 #include "DNSRequest.h"
simon 0:350011bf8be7 25 #include "if/net/netdnsrequest.h"
simon 0:350011bf8be7 26
simon 0:350011bf8be7 27 DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
simon 0:350011bf8be7 28 {
simon 0:350011bf8be7 29
simon 0:350011bf8be7 30 }
simon 0:350011bf8be7 31
simon 0:350011bf8be7 32 DNSRequest::~DNSRequest()
simon 0:350011bf8be7 33 {
simon 0:350011bf8be7 34 close();
simon 0:350011bf8be7 35 }
simon 0:350011bf8be7 36
simon 0:350011bf8be7 37 DNSRequestErr DNSRequest::resolve(const char* hostname)
simon 0:350011bf8be7 38 {
simon 0:350011bf8be7 39 if(!m_pNetDnsRequest)
simon 0:350011bf8be7 40 {
simon 0:350011bf8be7 41 m_pNetDnsRequest = Net::dnsRequest(hostname);
simon 0:350011bf8be7 42 if(!m_pNetDnsRequest)
simon 0:350011bf8be7 43 {
simon 0:350011bf8be7 44 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
simon 0:350011bf8be7 45 }
simon 0:350011bf8be7 46 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
simon 0:350011bf8be7 47 return DNS_OK;
simon 0:350011bf8be7 48 }
simon 0:350011bf8be7 49 else
simon 0:350011bf8be7 50 {
simon 0:350011bf8be7 51 return DNS_INUSE; //The previous req has not completed
simon 0:350011bf8be7 52 }
simon 0:350011bf8be7 53 }
simon 0:350011bf8be7 54
simon 0:350011bf8be7 55 DNSRequestErr DNSRequest::resolve(Host* pHost)
simon 0:350011bf8be7 56 {
simon 0:350011bf8be7 57 if(!m_pNetDnsRequest)
simon 0:350011bf8be7 58 {
simon 0:350011bf8be7 59 m_pNetDnsRequest = Net::dnsRequest(pHost);
simon 0:350011bf8be7 60 if(!m_pNetDnsRequest)
simon 0:350011bf8be7 61 {
simon 0:350011bf8be7 62 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
simon 0:350011bf8be7 63 }
simon 0:350011bf8be7 64 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
simon 0:350011bf8be7 65 return DNS_OK;
simon 0:350011bf8be7 66 }
simon 0:350011bf8be7 67 else
simon 0:350011bf8be7 68 {
simon 0:350011bf8be7 69 return DNS_INUSE; //The previous req has not completed
simon 0:350011bf8be7 70 }
simon 0:350011bf8be7 71 }
simon 0:350011bf8be7 72
simon 0:350011bf8be7 73 //Callbacks
simon 0:350011bf8be7 74 void DNSRequest::setOnReply( void (*pMethod)(DNSReply) )
simon 0:350011bf8be7 75 {
simon 0:350011bf8be7 76 m_pCb = pMethod;
simon 0:350011bf8be7 77 }
simon 0:350011bf8be7 78
simon 0:350011bf8be7 79 #if 0 //For doc only
simon 0:350011bf8be7 80 template<class T>
simon 0:350011bf8be7 81 void DNSRequest::setOnReply( T* pItem, void (T::*pMethod)(DNSReply) )
simon 0:350011bf8be7 82 {
simon 0:350011bf8be7 83 m_pCbItem = (CDummy*) pItem;
simon 0:350011bf8be7 84 m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod;
simon 0:350011bf8be7 85 }
simon 0:350011bf8be7 86 #endif
simon 0:350011bf8be7 87
simon 0:350011bf8be7 88 DNSRequestErr DNSRequest::getResult(IpAddr* pIp)
simon 0:350011bf8be7 89 {
simon 0:350011bf8be7 90 if(!m_pNetDnsRequest)
simon 0:350011bf8be7 91 {
simon 0:350011bf8be7 92 return DNS_SETUP;
simon 0:350011bf8be7 93 }
simon 0:350011bf8be7 94 m_pNetDnsRequest->getResult(pIp);
simon 0:350011bf8be7 95 return DNS_OK;
simon 0:350011bf8be7 96 }
simon 0:350011bf8be7 97
simon 0:350011bf8be7 98 DNSRequestErr DNSRequest::close()
simon 0:350011bf8be7 99 {
simon 0:350011bf8be7 100 if(!m_pNetDnsRequest)
simon 0:350011bf8be7 101 {
simon 0:350011bf8be7 102 return DNS_SETUP;
simon 0:350011bf8be7 103 }
simon 0:350011bf8be7 104 m_pNetDnsRequest->close();
simon 0:350011bf8be7 105 m_pNetDnsRequest = NULL;
simon 0:350011bf8be7 106 return DNS_OK;
simon 0:350011bf8be7 107 }
simon 0:350011bf8be7 108
simon 0:350011bf8be7 109 void DNSRequest::onNetDnsReply(NetDnsReply r)
simon 0:350011bf8be7 110 {
simon 0:350011bf8be7 111 if(m_pCbItem && m_pCbMeth)
simon 0:350011bf8be7 112 (m_pCbItem->*m_pCbMeth)((DNSReply) r);
simon 0:350011bf8be7 113 else if(m_pCb)
simon 0:350011bf8be7 114 m_pCb((DNSReply) r);
simon 0:350011bf8be7 115 }