Andrew Bonney
Copy of NetServicesMin with the HTTP Client library. Includes modification for HTTP servers which send the HTTP status line in its own packet.
api/DNSRequest.cpp@0:18dd877d2c77, 2011-05-26 (annotated)
- Committer:
- andrewbonney
- Date:
- Thu May 26 10:02:40 2011 +0000
- Revision:
- 0:18dd877d2c77
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| andrewbonney | 0:18dd877d2c77 | 1 | |
| andrewbonney | 0:18dd877d2c77 | 2 | /* |
| andrewbonney | 0:18dd877d2c77 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| andrewbonney | 0:18dd877d2c77 | 4 | |
| andrewbonney | 0:18dd877d2c77 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| andrewbonney | 0:18dd877d2c77 | 6 | of this software and associated documentation files (the "Software"), to deal |
| andrewbonney | 0:18dd877d2c77 | 7 | in the Software without restriction, including without limitation the rights |
| andrewbonney | 0:18dd877d2c77 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| andrewbonney | 0:18dd877d2c77 | 9 | copies of the Software, and to permit persons to whom the Software is |
| andrewbonney | 0:18dd877d2c77 | 10 | furnished to do so, subject to the following conditions: |
| andrewbonney | 0:18dd877d2c77 | 11 | |
| andrewbonney | 0:18dd877d2c77 | 12 | The above copyright notice and this permission notice shall be included in |
| andrewbonney | 0:18dd877d2c77 | 13 | all copies or substantial portions of the Software. |
| andrewbonney | 0:18dd877d2c77 | 14 | |
| andrewbonney | 0:18dd877d2c77 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| andrewbonney | 0:18dd877d2c77 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| andrewbonney | 0:18dd877d2c77 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| andrewbonney | 0:18dd877d2c77 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| andrewbonney | 0:18dd877d2c77 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| andrewbonney | 0:18dd877d2c77 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| andrewbonney | 0:18dd877d2c77 | 21 | THE SOFTWARE. |
| andrewbonney | 0:18dd877d2c77 | 22 | */ |
| andrewbonney | 0:18dd877d2c77 | 23 | |
| andrewbonney | 0:18dd877d2c77 | 24 | #include "DNSRequest.h" |
| andrewbonney | 0:18dd877d2c77 | 25 | #include "if/net/netdnsrequest.h" |
| andrewbonney | 0:18dd877d2c77 | 26 | |
| andrewbonney | 0:18dd877d2c77 | 27 | DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL) |
| andrewbonney | 0:18dd877d2c77 | 28 | { |
| andrewbonney | 0:18dd877d2c77 | 29 | |
| andrewbonney | 0:18dd877d2c77 | 30 | } |
| andrewbonney | 0:18dd877d2c77 | 31 | |
| andrewbonney | 0:18dd877d2c77 | 32 | DNSRequest::~DNSRequest() |
| andrewbonney | 0:18dd877d2c77 | 33 | { |
| andrewbonney | 0:18dd877d2c77 | 34 | close(); |
| andrewbonney | 0:18dd877d2c77 | 35 | } |
| andrewbonney | 0:18dd877d2c77 | 36 | |
| andrewbonney | 0:18dd877d2c77 | 37 | DNSRequestErr DNSRequest::resolve(const char* hostname) |
| andrewbonney | 0:18dd877d2c77 | 38 | { |
| andrewbonney | 0:18dd877d2c77 | 39 | if(!m_pNetDnsRequest) |
| andrewbonney | 0:18dd877d2c77 | 40 | { |
| andrewbonney | 0:18dd877d2c77 | 41 | m_pNetDnsRequest = Net::dnsRequest(hostname); |
| andrewbonney | 0:18dd877d2c77 | 42 | if(!m_pNetDnsRequest) |
| andrewbonney | 0:18dd877d2c77 | 43 | { |
| andrewbonney | 0:18dd877d2c77 | 44 | return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist) |
| andrewbonney | 0:18dd877d2c77 | 45 | } |
| andrewbonney | 0:18dd877d2c77 | 46 | m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply); |
| andrewbonney | 0:18dd877d2c77 | 47 | return DNS_OK; |
| andrewbonney | 0:18dd877d2c77 | 48 | } |
| andrewbonney | 0:18dd877d2c77 | 49 | else |
| andrewbonney | 0:18dd877d2c77 | 50 | { |
| andrewbonney | 0:18dd877d2c77 | 51 | return DNS_INUSE; //The previous req has not completed |
| andrewbonney | 0:18dd877d2c77 | 52 | } |
| andrewbonney | 0:18dd877d2c77 | 53 | } |
| andrewbonney | 0:18dd877d2c77 | 54 | |
| andrewbonney | 0:18dd877d2c77 | 55 | DNSRequestErr DNSRequest::resolve(Host* pHost) |
| andrewbonney | 0:18dd877d2c77 | 56 | { |
| andrewbonney | 0:18dd877d2c77 | 57 | if(!m_pNetDnsRequest) |
| andrewbonney | 0:18dd877d2c77 | 58 | { |
| andrewbonney | 0:18dd877d2c77 | 59 | m_pNetDnsRequest = Net::dnsRequest(pHost); |
| andrewbonney | 0:18dd877d2c77 | 60 | if(!m_pNetDnsRequest) |
| andrewbonney | 0:18dd877d2c77 | 61 | { |
| andrewbonney | 0:18dd877d2c77 | 62 | return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist) |
| andrewbonney | 0:18dd877d2c77 | 63 | } |
| andrewbonney | 0:18dd877d2c77 | 64 | m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply); |
| andrewbonney | 0:18dd877d2c77 | 65 | return DNS_OK; |
| andrewbonney | 0:18dd877d2c77 | 66 | } |
| andrewbonney | 0:18dd877d2c77 | 67 | else |
| andrewbonney | 0:18dd877d2c77 | 68 | { |
| andrewbonney | 0:18dd877d2c77 | 69 | return DNS_INUSE; //The previous req has not completed |
| andrewbonney | 0:18dd877d2c77 | 70 | } |
| andrewbonney | 0:18dd877d2c77 | 71 | } |
| andrewbonney | 0:18dd877d2c77 | 72 | |
| andrewbonney | 0:18dd877d2c77 | 73 | //Callbacks |
| andrewbonney | 0:18dd877d2c77 | 74 | void DNSRequest::setOnReply( void (*pMethod)(DNSReply) ) |
| andrewbonney | 0:18dd877d2c77 | 75 | { |
| andrewbonney | 0:18dd877d2c77 | 76 | m_pCb = pMethod; |
| andrewbonney | 0:18dd877d2c77 | 77 | } |
| andrewbonney | 0:18dd877d2c77 | 78 | |
| andrewbonney | 0:18dd877d2c77 | 79 | #if 0 //For doc only |
| andrewbonney | 0:18dd877d2c77 | 80 | template<class T> |
| andrewbonney | 0:18dd877d2c77 | 81 | void DNSRequest::setOnReply( T* pItem, void (T::*pMethod)(DNSReply) ) |
| andrewbonney | 0:18dd877d2c77 | 82 | { |
| andrewbonney | 0:18dd877d2c77 | 83 | m_pCbItem = (CDummy*) pItem; |
| andrewbonney | 0:18dd877d2c77 | 84 | m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod; |
| andrewbonney | 0:18dd877d2c77 | 85 | } |
| andrewbonney | 0:18dd877d2c77 | 86 | #endif |
| andrewbonney | 0:18dd877d2c77 | 87 | |
| andrewbonney | 0:18dd877d2c77 | 88 | DNSRequestErr DNSRequest::getResult(IpAddr* pIp) |
| andrewbonney | 0:18dd877d2c77 | 89 | { |
| andrewbonney | 0:18dd877d2c77 | 90 | if(!m_pNetDnsRequest) |
| andrewbonney | 0:18dd877d2c77 | 91 | { |
| andrewbonney | 0:18dd877d2c77 | 92 | return DNS_SETUP; |
| andrewbonney | 0:18dd877d2c77 | 93 | } |
| andrewbonney | 0:18dd877d2c77 | 94 | m_pNetDnsRequest->getResult(pIp); |
| andrewbonney | 0:18dd877d2c77 | 95 | return DNS_OK; |
| andrewbonney | 0:18dd877d2c77 | 96 | } |
| andrewbonney | 0:18dd877d2c77 | 97 | |
| andrewbonney | 0:18dd877d2c77 | 98 | DNSRequestErr DNSRequest::close() |
| andrewbonney | 0:18dd877d2c77 | 99 | { |
| andrewbonney | 0:18dd877d2c77 | 100 | if(!m_pNetDnsRequest) |
| andrewbonney | 0:18dd877d2c77 | 101 | { |
| andrewbonney | 0:18dd877d2c77 | 102 | return DNS_SETUP; |
| andrewbonney | 0:18dd877d2c77 | 103 | } |
| andrewbonney | 0:18dd877d2c77 | 104 | m_pNetDnsRequest->close(); |
| andrewbonney | 0:18dd877d2c77 | 105 | m_pNetDnsRequest = NULL; |
| andrewbonney | 0:18dd877d2c77 | 106 | return DNS_OK; |
| andrewbonney | 0:18dd877d2c77 | 107 | } |
| andrewbonney | 0:18dd877d2c77 | 108 | |
| andrewbonney | 0:18dd877d2c77 | 109 | void DNSRequest::onNetDnsReply(NetDnsReply r) |
| andrewbonney | 0:18dd877d2c77 | 110 | { |
| andrewbonney | 0:18dd877d2c77 | 111 | if(m_pCbItem && m_pCbMeth) |
| andrewbonney | 0:18dd877d2c77 | 112 | (m_pCbItem->*m_pCbMeth)((DNSReply) r); |
| andrewbonney | 0:18dd877d2c77 | 113 | else if(m_pCb) |
| andrewbonney | 0:18dd877d2c77 | 114 | m_pCb((DNSReply) r); |
| andrewbonney | 0:18dd877d2c77 | 115 | } |