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dd06c60ada
c-ares call a callback on socket state changes. A better way than the ares_getsock() to get full control over the socket state.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Copyright (C) 2004 by Daniel Stenberg et al
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. M.I.T. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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#include "setup.h"
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#include <stdlib.h>
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#include "ares.h"
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#include "ares_private.h"
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/*
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* ares_cancel() cancels a ongoing request/resolve that might be going on on
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* the given channel. It does NOT kill the channel, use ares_destroy() for
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* that.
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*/
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void ares_cancel(ares_channel channel)
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{
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struct query *query, *next;
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int i;
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for (query = channel->queries; query; query = next)
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{
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next = query->next;
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query->callback(query->arg, ARES_ETIMEOUT, NULL, 0);
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free(query->tcpbuf);
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free(query->skip_server);
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free(query);
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}
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channel->queries = NULL;
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if (!(channel->flags & ARES_FLAG_STAYOPEN))
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{
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for (i = 0; i < channel->nservers; i++)
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ares__close_sockets(channel, &channel->servers[i]);
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}
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}
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