netwerk/dns/nsIDNSRecord.idl

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  16  * The Initial Developer of the Original Code is IBM Corporation.
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  36
  37 #include "nsISupports.idl"
  38
  39 native PRNetAddr(union PRNetAddr);
  40
  41 /**
  42  * nsIDNSRecord
  43  *
  44  * this interface represents the result of a DNS lookup.  since a DNS
  45  * query may return more than one resolved IP address, the record acts
  46  * like an enumerator, allowing the caller to easily step through the
  47  * list of IP addresses.
  48  */
  49 [scriptable, uuid(31c9c52e-1100-457d-abac-d2729e43f506)]
  50 interface nsIDNSRecord : nsISupports
  51 {
  52     /**
  53      * @return the canonical hostname for this record.  this value is empty if
  54      * the record was not fetched with the RESOLVE_CANONICAL_NAME flag.
  55      *
  56      * e.g., www.mozilla.org --> rheet.mozilla.org
  57      */
  58     readonly attribute ACString canonicalName;
  59
  60     /**
  61      * this function copies the value of the next IP address into the
  62      * given PRNetAddr struct and increments the internal address iterator.
  63      *
  64      * @param aPort
  65      *        A port number to initialize the PRNetAddr with.
  66      *
  67      * @throws NS_ERROR_NOT_AVAILABLE if there is not another IP address in
  68      * the record.
  69      */
  70     [noscript] PRNetAddr getNextAddr(in PRUint16 aPort);
  71
  72     /**
  73      * this function returns the value of the next IP address as a
  74      * string and increments the internal address iterator.
  75      *
  76      * @throws NS_ERROR_NOT_AVAILABLE if there is not another IP address in
  77      * the record.
  78      */
  79     ACString getNextAddrAsString();
  80
  81     /**
  82      * this function returns true if there is another address in the record.
  83      */
  84     boolean hasMore();
  85
  86     /**
  87      * this function resets the internal address iterator to the first
  88      * address in the record.
  89      */
  90     void rewind();
  91 };