pdns_8h-source.html

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00163       DNS_A_DATA     A;
00164       DNS_MX_DATA    MX;
00165       DNS_PTR_DATA   NS;
00166       DNS_SRV_DATA   SRV;
00167       DNS_NULL_DATA  Null;
00168     } Data;
00169 };
00170 
00171 <span class="keyword">typedef</span> DnsRecord * PDNS_RECORD;
00172 
00173 <span class="keyword">extern</span> <span class="keywordtype">void</span> DnsRecordListFree(PDNS_RECORD rec, <span class="keywordtype">int</span> FreeType);
00174 
00175 <span class="keyword">extern</span> DNS_STATUS DnsQuery_A(<span class="keyword">const</span> <span class="keywordtype">char</span> * service,
00176                       WORD requestType,
00177                       DWORD options,
00178                       <span class="keywordtype">void</span> *,
00179                       PDNS_RECORD * results,
00180                       <span class="keywordtype">void</span> *);
00181 
00182 
00183 <span class="preprocessor">#endif // P_HAS_RESOLVER</span>
00184 <span class="preprocessor"></span>
00185 <span class="keyword">namespace </span>PDNS {
00186 
00188 <span class="comment">//</span>
00189 <span class="comment">//  this template automates the creation of a list of records for</span>
00190 <span class="comment">//  a specific type of DNS lookup</span>
00191 <span class="comment">//</span>
00192 
00193 <span class="keyword">template</span> &lt;<span class="keywordtype">unsigned</span> type, <span class="keyword">class</span> RecordListType, <span class="keyword">class</span> RecordType&gt;
00194 BOOL Lookup(<span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; name, RecordListType &amp; recordList)
00195 {
00196   <span class="keywordflow">if</span> (name.<a class="code" href="classPString.html#z235_1">IsEmpty</a>())
00197     <span class="keywordflow">return</span> FALSE;
00198 
00199   recordList.RemoveAll();
00200 
00201   PDNS_RECORD results = NULL;
00202   DNS_STATUS status = DnsQuery_A((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name, 
00203                                  type,
00204                                  DNS_QUERY_STANDARD, 
00205                                  NULL, 
00206                                  &amp;results, 
00207                                  NULL);
00208   <span class="keywordflow">if</span> (status != 0)
00209     <span class="keywordflow">return</span> FALSE;
00210 
00211   <span class="comment">// find records matching the correct type</span>
00212   PDNS_RECORD dnsRecord = results;
00213   <span class="keywordflow">while</span> (dnsRecord != NULL) {
00214     RecordType * record = recordList.HandleDNSRecord(dnsRecord, results);
00215     <span class="keywordflow">if</span> (record != NULL)
00216       recordList.Append(record);
00217     dnsRecord = dnsRecord-&gt;pNext;
00218   }
00219 
00220   <span class="keywordflow">if</span> (results != NULL)
00221     DnsRecordListFree(results, DnsFreeRecordList);
00222 
00223   <span class="keywordflow">return</span> recordList.GetSize() != 0;
00224 }
00225 
00227 
00228 <span class="keyword">class </span>SRVRecord : <span class="keyword">public</span> <a class="code" href="classPObject.html">PObject</a>
00229 {
00230   <a class="code" href="object_8h.html#a27">PCLASSINFO</a>(SRVRecord, <a class="code" href="classPObject.html">PObject</a>);
00231   <span class="keyword">public</span>:
00232     SRVRecord()
00233     { used = FALSE; }
00234 
00235     Comparison Compare(<span class="keyword">const</span> <a class="code" href="classPObject.html">PObject</a> &amp; obj) <span class="keyword">const</span>;
00236     <span class="keywordtype">void</span> <a class="code" href="array_8h.html#a9">PrintOn</a>(ostream &amp; strm) <span class="keyword">const</span>;
00237 
00238     <a class="code" href="classPString.html">PString</a>            hostName;
00239     <a class="code" href="classPIPSocket_1_1Address.html">PIPSocket::Address</a> hostAddress;
00240     BOOL               used;
00241     WORD port;
00242     WORD priority;
00243     WORD weight;
00244 };
00245 
00246 <a class="code" href="lists_8h.html#a7">PDECLARE_SORTED_LIST</a>(SRVRecordList, PDNS::SRVRecord)
00247   <span class="keyword">public</span>:
00248     <span class="keywordtype">void</span> <a class="code" href="array_8h.html#a9">PrintOn</a>(ostream &amp; strm) <span class="keyword">const</span>;
00249 
00250     SRVRecord * GetFirst();
00251     SRVRecord * GetNext();
00252 
00253     PDNS::SRVRecord * HandleDNSRecord(PDNS_RECORD dnsRecord, PDNS_RECORD results);
00254 
00255   <span class="keyword">protected</span>:
00256     PINDEX     priPos;
00257     <a class="code" href="classPWORDArray.html">PWORDArray</a> priList;
00258 };
00259 
00264 <span class="keyword">inline</span> BOOL GetRecords(<span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; service, SRVRecordList &amp; serviceList)
00265 { <span class="keywordflow">return</span> Lookup&lt;DNS_TYPE_SRV, SRVRecordList, SRVRecord&gt;(service, serviceList); }
00266 
00270 <span class="keyword">inline</span> BOOL GetSRVRecords(
00271       <span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; service,
00272       SRVRecordList &amp; serviceList
00273 )
00274 { <span class="keywordflow">return</span> GetRecords(service, serviceList); }
00275 
00280 BOOL GetSRVRecords(
00281       <span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; service,
00282       <span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; type,
00283       <span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; domain,
00284       SRVRecordList &amp; serviceList
00285 );
00286 
00288 
00289 <span class="keyword">class </span>MXRecord : <span class="keyword">public</span> <a class="code" href="classPObject.html">PObject</a>
00290 {
00291   <a class="code" href="object_8h.html#a27">PCLASSINFO</a>(MXRecord, <a class="code" href="classPObject.html">PObject</a>);
00292   <span class="keyword">public</span>:
00293     MXRecord()
00294     { used = FALSE; }
00295     Comparison <a class="code" href="classPObject.html#z199_1">Compare</a>(<span class="keyword">const</span> <a class="code" href="classPObject.html">PObject</a> &amp; obj) <span class="keyword">const</span>;
00296     <span class="keywordtype">void</span> <a class="code" href="classPObject.html#z201_0">PrintOn</a>(ostream &amp; strm) <span class="keyword">const</span>;
00297 
00298     <a class="code" href="classPString.html">PString</a>            hostName;
00299     <a class="code" href="classPIPSocket_1_1Address.html">PIPSocket::Address</a> hostAddress;
00300     BOOL               used;
00301     WORD               preference;
00302 };
00303 
00304 <a class="code" href="lists_8h.html#a7">PDECLARE_SORTED_LIST</a>(MXRecordList, PDNS::MXRecord)
00305   <span class="keyword">public</span>:
00306     <span class="keywordtype">void</span> <a class="code" href="array_8h.html#a9">PrintOn</a>(ostream &amp; strm) <span class="keyword">const</span>;
00307 
00308     MXRecord * GetFirst();
00309     MXRecord * GetNext();
00310 
00311     PDNS::MXRecord * HandleDNSRecord(PDNS_RECORD dnsRecord, PDNS_RECORD results);
00312 
00313   <span class="keyword">protected</span>:
00314     PINDEX lastIndex;
00315 };
00316 
00320 <span class="keyword">inline</span> BOOL GetRecords(
00321       <span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; domain,
00322       MXRecordList &amp; serviceList
00323 )
00324 { <span class="keywordflow">return</span> Lookup&lt;DNS_TYPE_MX, MXRecordList, MXRecord&gt;(domain, serviceList); }
00325 
00329 <span class="keyword">inline</span> BOOL GetMXRecords(
00330       <span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; domain,
00331       MXRecordList &amp; serviceList
00332 )
00333 {
00334   <span class="keywordflow">return</span> GetRecords(domain, serviceList);
00335 }
00336 
00338 
00339 }; <span class="comment">// namespace PDNS</span>
00340 
00341 <span class="preprocessor">#endif // _PDNS_H</span>
00342 <span class="preprocessor"></span><span class="preprocessor">#endif // P_DNS</span>
00343 <span class="preprocessor"></span>
00344 <span class="comment">// End Of File ///////////////////////////////////////////////////////////////</span>
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