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59 lines
1.8 KiB
59 lines
1.8 KiB
/* Copyright 1998 by the Massachusetts Institute of Technology. |
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* |
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* Permission to use, copy, modify, and distribute this |
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* software and its documentation for any purpose and without |
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* fee is hereby granted, provided that the above copyright |
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* notice appear in all copies and that both that copyright |
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* 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 |
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* advertising or publicity pertaining to distribution of the |
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* software without specific, written prior permission. |
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* M.I.T. makes no representations about the suitability of |
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* 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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#ifdef HAVE_UNISTD_H |
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#include <unistd.h> |
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#endif |
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#include "ares.h" |
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#include "ares_private.h" |
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void ares__close_sockets(ares_channel channel, struct server_state *server) |
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{ |
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struct send_request *sendreq; |
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/* Free all pending output buffers. */ |
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while (server->qhead) |
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{ |
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/* Advance server->qhead; pull out query as we go. */ |
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sendreq = server->qhead; |
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server->qhead = sendreq->next; |
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free(sendreq); |
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} |
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server->qtail = NULL; |
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/* Reset any existing input buffer. */ |
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if (server->tcp_buffer) |
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free(server->tcp_buffer); |
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server->tcp_buffer = NULL; |
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server->tcp_lenbuf_pos = 0; |
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/* Close the TCP and UDP sockets. */ |
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if (server->tcp_socket != ARES_SOCKET_BAD) |
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{ |
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SOCK_STATE_CALLBACK(channel, server->tcp_socket, 0, 0); |
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closesocket(server->tcp_socket); |
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server->tcp_socket = ARES_SOCKET_BAD; |
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} |
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if (server->udp_socket != ARES_SOCKET_BAD) |
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{ |
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SOCK_STATE_CALLBACK(channel, server->udp_socket, 0, 0); |
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closesocket(server->udp_socket); |
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server->udp_socket = ARES_SOCKET_BAD; |
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} |
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}
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