WvResolver Class Reference

#include <wvresolver.h>

List of all members.


Detailed Description

ASynchronous DNS resolver functions, so that we can do non-blocking lookups.

Definition at line 24 of file wvresolver.h.

Public Member Functions

 WvResolver ()
 ~WvResolver ()
int findaddr (int msec_timeout, WvStringParm name, WvIPAddr const **addr, WvIPAddrList *addrlist=NULL)
 Return -1 on timeout, or the number of addresses found, which may be 0 if the address does not exist.
int findname (int msec_timeout, WvIPAddr *ipaddr, char **name)
void clearhost (WvStringParm hostname)
bool pre_select (WvStringParm hostname, WvStream::SelectInfo &si)
 add all of our waiting fds to an fd_set for use with select().


Member Function Documentation

int WvResolver::findaddr ( int  msec_timeout,
WvStringParm  name,
WvIPAddr const **  addr,
WvIPAddrList *  addrlist = NULL 
)

Return -1 on timeout, or the number of addresses found, which may be 0 if the address does not exist.

addrlist, if present, has to be an initialized list. addr points to an internal WvIPAddr and will be deleted automatically.

Definition at line 149 of file wvresolver.cc.

References WvResolverHost::addr, WvResolverHost::addrlist, WvStream::blocking_getline(), WvResolverHost::done, WvFdStream::getrfd(), WvFdStream::getwfd(), WvFdStream::isok(), WvResolverHost::last_tried, WvResolverHost::loop, WvResolverHost::negative, WvStream::noread(), WvStream::nowrite(), WvResolverHost::pid, WvStream::select(), and wvfork().

Referenced by WvTCPConn::check_resolver(), WvUrl::resolve(), and WvTCPConn::WvTCPConn().


The documentation for this class was generated from the following files:
Generated on Wed Jul 12 17:53:36 2006 for WvStreams by  doxygen 1.4.7