diff options
Diffstat (limited to 'pr/include/prnetdb.h')
| -rw-r--r-- | pr/include/prnetdb.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/pr/include/prnetdb.h b/pr/include/prnetdb.h index 1eb23dbe..a2456137 100644 --- a/pr/include/prnetdb.h +++ b/pr/include/prnetdb.h @@ -386,6 +386,88 @@ NSPR_API(PRStatus) PR_GetProtoByNumber( PRInt32 protocolnumber, char* buffer, PRInt32 bufsize, PRProtoEnt* result); /*********************************************************************** +** FUNCTION: +** DESCRIPTION: PR_GetAddrInfoByName() +** Lookup a host by name. Equivalent to getaddrinfo(host, NULL, ...) of +** RFC 3493. +** +** INPUTS: +** char *hostname Character string defining the host name of interest +** PRUint16 af Must be PR_AF_UNSPEC +** PRIntn flags Must be PR_AI_ADDRCONFIG +** RETURN: +** PRAddrInfo* Handle to a data structure containing the results +** of the host lookup. Use PR_EnumerateAddrInfo to +** inspect the PRNetAddr values stored in this object. +** When no longer needed, this handle must be destroyed +** with a call to PR_FreeAddrInfo. If a lookup error +** occurs, then NULL will be returned. +***********************************************************************/ +typedef struct PRAddrInfo PRAddrInfo; + +NSPR_API(PRAddrInfo*) PR_GetAddrInfoByName( + const char *hostname, PRUint16 af, PRIntn flags); + +/*********************************************************************** +** FUNCTION: +** DESCRIPTION: PR_FreeAddrInfo() +** Destroy the PRAddrInfo handle allocated by PR_GetAddrInfoByName(). +** +** INPUTS: +** PRAddrInfo *addrInfo +** The handle resulting from a successful call to +** PR_GetAddrInfoByName(). +** RETURN: +** void +***********************************************************************/ +NSPR_API(void) PR_FreeAddrInfo(PRAddrInfo *addrInfo); + +/*********************************************************************** +** FUNCTION: +** DESCRIPTION: PR_EnumerateAddrInfo() +** A stateless enumerator over a PRAddrInfo handle acquired from +** PR_GetAddrInfoByName() to inspect the possible network addresses. +** +** INPUTS: +** void *enumPtr Index pointer of the enumeration. The enumeration +** starts and ends with a value of NULL. +** PRAddrInfo *addrInfo +** The PRAddrInfo handle returned by a successful +** call to PR_GetAddrInfoByName(). +** PRUint16 port The port number to be assigned as part of the +** PRNetAddr. +** OUTPUTS: +** PRNetAddr *result A pointer to an address structure that will be +** filled in by the call to the enumeration if the +** result of the call is greater than zero. +** RETURN: +** void* The value that should be used for the next call +** of the enumerator ('enumPtr'). The enumeration +** is ended if this value is returned NULL. +***********************************************************************/ +NSPR_API(void *) PR_EnumerateAddrInfo( + void *enumPtr, const PRAddrInfo *addrInfo, PRUint16 port, PRNetAddr *result); + +/*********************************************************************** +** FUNCTION: +** DESCRIPTION: PR_GetCanonNameFromAddrInfo() +** Extracts the canonical name of the hostname passed to +** PR_GetAddrInfoByName(). +** +** INPUTS: +** PRAddrInfo *addrInfo +** The PRAddrInfo handle returned by a successful +** call to PR_GetAddrInfoByName(). +** RETURN: +** const char * A const pointer to the canonical hostname stored +** in the given PRAddrInfo handle. This pointer is +** invalidated once the PRAddrInfo handle is destroyed +** by a call to PR_FreeAddrInfo(). +***********************************************************************/ +NSPR_API(const char *) PR_GetCanonNameFromAddrInfo( + const PRAddrInfo *addrInfo); + +/*********************************************************************** ** FUNCTIONS: PR_ntohs, PR_ntohl, PR_ntohll, PR_htons, PR_htonl, PR_htonll ** ** DESCRIPTION: API entries for the common byte ordering routines. |