Rod Coleman / NetServSB2

Netservices modded to read fragmented HTTP respsonse/payload from special purpose server - 180 bytes only

api/DNSRequest.cpp@0:850eacf3e945, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:48:09 2011 +0000
Revision:
0:850eacf3e945
revised fixed length to 178 bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:850eacf3e945 1
RodColeman 0:850eacf3e945 2 /*
RodColeman 0:850eacf3e945 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:850eacf3e945 4
RodColeman 0:850eacf3e945 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:850eacf3e945 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:850eacf3e945 7 in the Software without restriction, including without limitation the rights
RodColeman 0:850eacf3e945 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:850eacf3e945 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:850eacf3e945 10 furnished to do so, subject to the following conditions:
RodColeman 0:850eacf3e945 11
RodColeman 0:850eacf3e945 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:850eacf3e945 13 all copies or substantial portions of the Software.
RodColeman 0:850eacf3e945 14
RodColeman 0:850eacf3e945 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:850eacf3e945 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:850eacf3e945 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:850eacf3e945 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:850eacf3e945 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:850eacf3e945 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:850eacf3e945 21 THE SOFTWARE.
RodColeman 0:850eacf3e945 22 */
RodColeman 0:850eacf3e945 23
RodColeman 0:850eacf3e945 24 #include "DNSRequest.h"
RodColeman 0:850eacf3e945 25 #include "if/net/netdnsrequest.h"
RodColeman 0:850eacf3e945 26
RodColeman 0:850eacf3e945 27 DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
RodColeman 0:850eacf3e945 28 {
RodColeman 0:850eacf3e945 29
RodColeman 0:850eacf3e945 30 }
RodColeman 0:850eacf3e945 31
RodColeman 0:850eacf3e945 32 DNSRequest::~DNSRequest()
RodColeman 0:850eacf3e945 33 {
RodColeman 0:850eacf3e945 34 close();
RodColeman 0:850eacf3e945 35 }
RodColeman 0:850eacf3e945 36
RodColeman 0:850eacf3e945 37 DNSRequestErr DNSRequest::resolve(const char* hostname)
RodColeman 0:850eacf3e945 38 {
RodColeman 0:850eacf3e945 39 if(!m_pNetDnsRequest)
RodColeman 0:850eacf3e945 40 {
RodColeman 0:850eacf3e945 41 m_pNetDnsRequest = Net::dnsRequest(hostname);
RodColeman 0:850eacf3e945 42 if(!m_pNetDnsRequest)
RodColeman 0:850eacf3e945 43 {
RodColeman 0:850eacf3e945 44 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
RodColeman 0:850eacf3e945 45 }
RodColeman 0:850eacf3e945 46 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
RodColeman 0:850eacf3e945 47 return DNS_OK;
RodColeman 0:850eacf3e945 48 }
RodColeman 0:850eacf3e945 49 else
RodColeman 0:850eacf3e945 50 {
RodColeman 0:850eacf3e945 51 return DNS_INUSE; //The previous req has not completed
RodColeman 0:850eacf3e945 52 }
RodColeman 0:850eacf3e945 53 }
RodColeman 0:850eacf3e945 54
RodColeman 0:850eacf3e945 55 DNSRequestErr DNSRequest::resolve(Host* pHost)
RodColeman 0:850eacf3e945 56 {
RodColeman 0:850eacf3e945 57 if(!m_pNetDnsRequest)
RodColeman 0:850eacf3e945 58 {
RodColeman 0:850eacf3e945 59 m_pNetDnsRequest = Net::dnsRequest(pHost);
RodColeman 0:850eacf3e945 60 if(!m_pNetDnsRequest)
RodColeman 0:850eacf3e945 61 {
RodColeman 0:850eacf3e945 62 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
RodColeman 0:850eacf3e945 63 }
RodColeman 0:850eacf3e945 64 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
RodColeman 0:850eacf3e945 65 return DNS_OK;
RodColeman 0:850eacf3e945 66 }
RodColeman 0:850eacf3e945 67 else
RodColeman 0:850eacf3e945 68 {
RodColeman 0:850eacf3e945 69 return DNS_INUSE; //The previous req has not completed
RodColeman 0:850eacf3e945 70 }
RodColeman 0:850eacf3e945 71 }
RodColeman 0:850eacf3e945 72
RodColeman 0:850eacf3e945 73 //Callbacks
RodColeman 0:850eacf3e945 74 void DNSRequest::setOnReply( void (*pMethod)(DNSReply) )
RodColeman 0:850eacf3e945 75 {
RodColeman 0:850eacf3e945 76 m_pCb = pMethod;
RodColeman 0:850eacf3e945 77 }
RodColeman 0:850eacf3e945 78
RodColeman 0:850eacf3e945 79 #if 0 //For doc only
RodColeman 0:850eacf3e945 80 template<class T>
RodColeman 0:850eacf3e945 81 void DNSRequest::setOnReply( T* pItem, void (T::*pMethod)(DNSReply) )
RodColeman 0:850eacf3e945 82 {
RodColeman 0:850eacf3e945 83 m_pCbItem = (CDummy*) pItem;
RodColeman 0:850eacf3e945 84 m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod;
RodColeman 0:850eacf3e945 85 }
RodColeman 0:850eacf3e945 86 #endif
RodColeman 0:850eacf3e945 87
RodColeman 0:850eacf3e945 88 DNSRequestErr DNSRequest::getResult(IpAddr* pIp)
RodColeman 0:850eacf3e945 89 {
RodColeman 0:850eacf3e945 90 if(!m_pNetDnsRequest)
RodColeman 0:850eacf3e945 91 {
RodColeman 0:850eacf3e945 92 return DNS_SETUP;
RodColeman 0:850eacf3e945 93 }
RodColeman 0:850eacf3e945 94 m_pNetDnsRequest->getResult(pIp);
RodColeman 0:850eacf3e945 95 return DNS_OK;
RodColeman 0:850eacf3e945 96 }
RodColeman 0:850eacf3e945 97
RodColeman 0:850eacf3e945 98 DNSRequestErr DNSRequest::close()
RodColeman 0:850eacf3e945 99 {
RodColeman 0:850eacf3e945 100 if(!m_pNetDnsRequest)
RodColeman 0:850eacf3e945 101 {
RodColeman 0:850eacf3e945 102 return DNS_SETUP;
RodColeman 0:850eacf3e945 103 }
RodColeman 0:850eacf3e945 104 m_pNetDnsRequest->close();
RodColeman 0:850eacf3e945 105 m_pNetDnsRequest = NULL;
RodColeman 0:850eacf3e945 106 return DNS_OK;
RodColeman 0:850eacf3e945 107 }
RodColeman 0:850eacf3e945 108
RodColeman 0:850eacf3e945 109 void DNSRequest::onNetDnsReply(NetDnsReply r)
RodColeman 0:850eacf3e945 110 {
RodColeman 0:850eacf3e945 111 if(m_pCbItem && m_pCbMeth)
RodColeman 0:850eacf3e945 112 (m_pCbItem->*m_pCbMeth)((DNSReply) r);
RodColeman 0:850eacf3e945 113 else if(m_pCb)
RodColeman 0:850eacf3e945 114 m_pCb((DNSReply) r);
RodColeman 0:850eacf3e945 115 }