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69 lines
2.0 KiB
69 lines
2.0 KiB
/* $Id$ */ |
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/* Copyright (C) 2005 - 2007, Daniel Stenberg |
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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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#ifdef HAVE_SYS_TIME_H |
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#include <sys/time.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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int ares_getsock(ares_channel channel, |
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int *s, |
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int numsocks) /* size of the 'socks' array */ |
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{ |
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struct server_state *server; |
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int i; |
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int sockindex=0; |
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int bitmap = 0; |
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unsigned int setbits = 0xffffffff; |
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ares_socket_t *socks = (ares_socket_t *)s; |
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/* No queries, no file descriptors. */ |
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if (!channel->queries) |
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return 0; |
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for (i = 0; |
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(i < channel->nservers) && (sockindex < ARES_GETSOCK_MAXNUM); |
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i++) |
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{ |
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server = &channel->servers[i]; |
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if (server->udp_socket != ARES_SOCKET_BAD) |
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{ |
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if(sockindex >= numsocks) |
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break; |
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socks[sockindex] = server->udp_socket; |
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bitmap |= ARES_GETSOCK_READABLE(setbits, sockindex); |
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sockindex++; |
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} |
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if (server->tcp_socket != ARES_SOCKET_BAD) |
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{ |
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if(sockindex >= numsocks) |
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break; |
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socks[sockindex] = server->tcp_socket; |
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bitmap |= ARES_GETSOCK_READABLE(setbits, sockindex); |
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if (server->qhead) |
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/* then the tcp socket is also writable! */ |
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bitmap |= ARES_GETSOCK_WRITABLE(setbits, sockindex); |
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sockindex++; |
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} |
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} |
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return bitmap; |
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}
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