Ignore async responses if handles don't match to drop outdated

requests.
This commit is contained in:
ehouse 2009-09-26 18:27:28 +00:00
parent fab5aff8ad
commit 9f7b5e077c

View file

@ -256,6 +256,7 @@ getHostAddr( CeSocketWrapper* self )
if ( self->addrRec.u.ip_relay.hostName[0] ) {
XP_LOGF( "%s: calling WSAAsyncGetHostByName(%s)",
__func__, self->addrRec.u.ip_relay.hostName );
XP_ASSERT( !self->getHostTask );
self->getHostTask
= WSAAsyncGetHostByName( self->hWnd,
XWWM_HOSTNAME_ARRIVED,
@ -313,7 +314,9 @@ ce_sockwrap_hostname( CeSocketWrapper* self, WPARAM XP_UNUSED_DBG(wParam),
XP_ASSERT( CE_IPST_RESOLVINGHOST == self->connState );
if ( 0 == err ) {
XP_ASSERT( (HANDLE)wParam == self->getHostTask );
if ( (HANDLE)wParam != self->getHostTask ) {
XP_LOGF( "%s: ignoring old event", __func__ );
} else {
XP_U32 tmp;
XP_MEMCPY( &tmp, &self->hostNameUnion.hent.h_addr_list[0][0],
@ -327,6 +330,8 @@ ce_sockwrap_hostname( CeSocketWrapper* self, WPARAM XP_UNUSED_DBG(wParam),
(int)((tmp>>24) & 0xFF) );
stateChanged( self, CE_IPST_HOSTRESOLVED );
self->getHostTask = NULL;
}
} else {
XP_LOGF( "%s: async operation failed: %ld", __func__, err );
/* WSAENETDOWN */