Michiel Berckvens / Mbed 2 deprecated ProjectHTTP

Berckvens Michiel & Basteyns Jonas

Dependencies:   DS1307 TextLCD mbed

NetServices/api/DNSRequest.cpp@0:f615d151a72c, 2014-12-04 (annotated)

Committer:
Michielber
Date:
Thu Dec 04 10:36:40 2014 +0000
Revision:
0:f615d151a72c
Berckvens Michiel & Basteyns Jonas 4/12/2014

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michielber 0:f615d151a72c 1
Michielber 0:f615d151a72c 2 /*
Michielber 0:f615d151a72c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Michielber 0:f615d151a72c 4
Michielber 0:f615d151a72c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Michielber 0:f615d151a72c 6 of this software and associated documentation files (the "Software"), to deal
Michielber 0:f615d151a72c 7 in the Software without restriction, including without limitation the rights
Michielber 0:f615d151a72c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Michielber 0:f615d151a72c 9 copies of the Software, and to permit persons to whom the Software is
Michielber 0:f615d151a72c 10 furnished to do so, subject to the following conditions:
Michielber 0:f615d151a72c 11
Michielber 0:f615d151a72c 12 The above copyright notice and this permission notice shall be included in
Michielber 0:f615d151a72c 13 all copies or substantial portions of the Software.
Michielber 0:f615d151a72c 14
Michielber 0:f615d151a72c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Michielber 0:f615d151a72c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Michielber 0:f615d151a72c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Michielber 0:f615d151a72c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Michielber 0:f615d151a72c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Michielber 0:f615d151a72c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Michielber 0:f615d151a72c 21 THE SOFTWARE.
Michielber 0:f615d151a72c 22 */
Michielber 0:f615d151a72c 23
Michielber 0:f615d151a72c 24 #include "DNSRequest.h"
Michielber 0:f615d151a72c 25 #include "if/net/netdnsrequest.h"
Michielber 0:f615d151a72c 26
Michielber 0:f615d151a72c 27 DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
Michielber 0:f615d151a72c 28 {
Michielber 0:f615d151a72c 29
Michielber 0:f615d151a72c 30 }
Michielber 0:f615d151a72c 31
Michielber 0:f615d151a72c 32 DNSRequest::~DNSRequest()
Michielber 0:f615d151a72c 33 {
Michielber 0:f615d151a72c 34 close();
Michielber 0:f615d151a72c 35 }
Michielber 0:f615d151a72c 36
Michielber 0:f615d151a72c 37 DNSRequestErr DNSRequest::resolve(const char* hostname)
Michielber 0:f615d151a72c 38 {
Michielber 0:f615d151a72c 39 if(!m_pNetDnsRequest)
Michielber 0:f615d151a72c 40 {
Michielber 0:f615d151a72c 41 m_pNetDnsRequest = Net::dnsRequest(hostname);
Michielber 0:f615d151a72c 42 if(!m_pNetDnsRequest)
Michielber 0:f615d151a72c 43 {
Michielber 0:f615d151a72c 44 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
Michielber 0:f615d151a72c 45 }
Michielber 0:f615d151a72c 46 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
Michielber 0:f615d151a72c 47 return DNS_OK;
Michielber 0:f615d151a72c 48 }
Michielber 0:f615d151a72c 49 else
Michielber 0:f615d151a72c 50 {
Michielber 0:f615d151a72c 51 return DNS_INUSE; //The previous req has not completed
Michielber 0:f615d151a72c 52 }
Michielber 0:f615d151a72c 53 }
Michielber 0:f615d151a72c 54
Michielber 0:f615d151a72c 55 DNSRequestErr DNSRequest::resolve(Host* pHost)
Michielber 0:f615d151a72c 56 {
Michielber 0:f615d151a72c 57 if(!m_pNetDnsRequest)
Michielber 0:f615d151a72c 58 {
Michielber 0:f615d151a72c 59 m_pNetDnsRequest = Net::dnsRequest(pHost);
Michielber 0:f615d151a72c 60 if(!m_pNetDnsRequest)
Michielber 0:f615d151a72c 61 {
Michielber 0:f615d151a72c 62 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
Michielber 0:f615d151a72c 63 }
Michielber 0:f615d151a72c 64 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
Michielber 0:f615d151a72c 65 return DNS_OK;
Michielber 0:f615d151a72c 66 }
Michielber 0:f615d151a72c 67 else
Michielber 0:f615d151a72c 68 {
Michielber 0:f615d151a72c 69 return DNS_INUSE; //The previous req has not completed
Michielber 0:f615d151a72c 70 }
Michielber 0:f615d151a72c 71 }
Michielber 0:f615d151a72c 72
Michielber 0:f615d151a72c 73 //Callbacks
Michielber 0:f615d151a72c 74 void DNSRequest::setOnReply( void (*pMethod)(DNSReply) )
Michielber 0:f615d151a72c 75 {
Michielber 0:f615d151a72c 76 m_pCb = pMethod;
Michielber 0:f615d151a72c 77 }
Michielber 0:f615d151a72c 78
Michielber 0:f615d151a72c 79 #if 0 //For doc only
Michielber 0:f615d151a72c 80 template<class T>
Michielber 0:f615d151a72c 81 void DNSRequest::setOnReply( T* pItem, void (T::*pMethod)(DNSReply) )
Michielber 0:f615d151a72c 82 {
Michielber 0:f615d151a72c 83 m_pCbItem = (CDummy*) pItem;
Michielber 0:f615d151a72c 84 m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod;
Michielber 0:f615d151a72c 85 }
Michielber 0:f615d151a72c 86 #endif
Michielber 0:f615d151a72c 87
Michielber 0:f615d151a72c 88 DNSRequestErr DNSRequest::getResult(IpAddr* pIp)
Michielber 0:f615d151a72c 89 {
Michielber 0:f615d151a72c 90 if(!m_pNetDnsRequest)
Michielber 0:f615d151a72c 91 {
Michielber 0:f615d151a72c 92 return DNS_SETUP;
Michielber 0:f615d151a72c 93 }
Michielber 0:f615d151a72c 94 m_pNetDnsRequest->getResult(pIp);
Michielber 0:f615d151a72c 95 return DNS_OK;
Michielber 0:f615d151a72c 96 }
Michielber 0:f615d151a72c 97
Michielber 0:f615d151a72c 98 DNSRequestErr DNSRequest::close()
Michielber 0:f615d151a72c 99 {
Michielber 0:f615d151a72c 100 if(!m_pNetDnsRequest)
Michielber 0:f615d151a72c 101 {
Michielber 0:f615d151a72c 102 return DNS_SETUP;
Michielber 0:f615d151a72c 103 }
Michielber 0:f615d151a72c 104 m_pNetDnsRequest->close();
Michielber 0:f615d151a72c 105 m_pNetDnsRequest = NULL;
Michielber 0:f615d151a72c 106 return DNS_OK;
Michielber 0:f615d151a72c 107 }
Michielber 0:f615d151a72c 108
Michielber 0:f615d151a72c 109 void DNSRequest::onNetDnsReply(NetDnsReply r)
Michielber 0:f615d151a72c 110 {
Michielber 0:f615d151a72c 111 if(m_pCbItem && m_pCbMeth)
Michielber 0:f615d151a72c 112 (m_pCbItem->*m_pCbMeth)((DNSReply) r);
Michielber 0:f615d151a72c 113 else if(m_pCb)
Michielber 0:f615d151a72c 114 m_pCb((DNSReply) r);
Michielber 0:f615d151a72c 115 }