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/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2002-2004 Apple Computer, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
Change History (most recent first):
$Log: mDNSPosix.h,v $
Revision 1.18 2006/08/14 23:24:47 cheshire
Re-licensed mDNSResponder daemon source code under Apache License, Version 2.0
Revision 1.17 2005/02/04 00:39:59 cheshire
Move ParseDNSServers() from PosixDaemon.c to mDNSPosix.c so all Posix client layers can use it
Revision 1.16 2004/11/30 22:37:01 cheshire
Update copyright dates and add "Mode: C; tab-width: 4" headers
Revision 1.15 2004/02/06 01:19:51 cheshire
Conditionally exclude IPv6 code unless HAVE_IPV6 is set
Revision 1.14 2004/01/28 21:12:15 cheshire
Reconcile mDNSIPv6Support & HAVE_IPV6 into a single flag (HAVE_IPV6)
Revision 1.13 2004/01/24 05:12:03 cheshire
<rdar://problem/3534352>: Need separate socket for issuing unicast queries
Revision 1.12 2004/01/23 21:37:08 cheshire
For consistency, rename multicastSocket to multicastSocket4, and multicastSocketv6 to multicastSocket6
Revision 1.11 2003/12/11 03:03:51 rpantos
Clean up mDNSPosix so that it builds on OS X again.
Revision 1.10 2003/12/08 20:47:02 rpantos
Add support for mDNSResponder on Linux.
Revision 1.9 2003/10/30 19:25:19 cheshire
Fix warning on certain compilers
Revision 1.8 2003/08/12 19:56:26 cheshire
Update to APSL 2.0
Revision 1.7 2003/07/02 21:19:59 cheshire
<rdar://problem/3313413> Update copyright notices, etc., in source code comments
Revision 1.6 2003/03/13 03:46:21 cheshire
Fixes to make the code build on Linux
Revision 1.5 2003/03/08 00:35:56 cheshire
Switched to using new "mDNS_Execute" model (see "mDNSCore/Implementer Notes.txt")
Revision 1.4 2002/12/23 22:13:31 jgraessl
Reviewed by: Stuart Cheshire
Initial IPv6 support for mDNSResponder.
Revision 1.3 2002/09/21 20:44:53 zarzycki
Added APSL info
Revision 1.2 2002/09/19 04:20:44 cheshire
Remove high-ascii characters that confuse some systems
Revision 1.1 2002/09/17 06:24:34 cheshire
First checkin
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#ifndef __mDNSPlatformPosix_h
#define __mDNSPlatformPosix_h
#include <signal.h>
#include <sys/time.h>
#ifdef __cplusplus
extern "C" {
#endif
// PosixNetworkInterface is a record extension of the core NetworkInterfaceInfo
// type that supports extra fields needed by the Posix platform.
//
// IMPORTANT: coreIntf must be the first field in the structure because
// we cast between pointers to the two different types regularly.
typedef struct PosixNetworkInterface PosixNetworkInterface;
struct PosixNetworkInterface
{
NetworkInterfaceInfo coreIntf;
const char * intfName;
PosixNetworkInterface * aliasIntf;
int index;
int multicastSocket4;
#if HAVE_IPV6
int multicastSocket6;
#endif
};
// This is a global because debugf_() needs to be able to check its value
extern int gMDNSPlatformPosixVerboseLevel;
struct mDNS_PlatformSupport_struct
{
int unicastSocket4;
#if HAVE_IPV6
int unicastSocket6;
#endif
};
#define uDNS_SERVERS_FILE "/etc/resolv.conf"
extern int ParseDNSServers(mDNS *m, const char *filePath);
extern mStatus mDNSPlatformPosixRefreshInterfaceList(mDNS *const m);
// See comment in implementation.
// Call mDNSPosixGetFDSet before calling select(), to update the parameters
// as may be necessary to meet the needs of the mDNSCore code.
// The timeout pointer MUST NOT be NULL.
// Set timeout->tv_sec to 0x3FFFFFFF if you want to have effectively no timeout
// After calling mDNSPosixGetFDSet(), call select(nfds, &readfds, NULL, NULL, &timeout); as usual
// After select() returns, call mDNSPosixProcessFDSet() to let mDNSCore do its work
extern void mDNSPosixGetFDSet(mDNS *m, int *nfds, fd_set *readfds, struct timeval *timeout);
extern void mDNSPosixProcessFDSet(mDNS *const m, fd_set *readfds);
typedef void (*mDNSPosixEventCallback)( void *context);
extern mStatus mDNSPosixAddFDToEventLoop( int fd, mDNSPosixEventCallback callback, void *context);
extern mStatus mDNSPosixRemoveFDFromEventLoop( int fd);
extern mStatus mDNSPosixListenForSignalInEventLoop( int signum);
extern mStatus mDNSPosixIgnoreSignalInEventLoop( int signum);
extern mStatus mDNSPosixRunEventLoopOnce( mDNS *m, const struct timeval *pTimeout, sigset_t *pSignalsReceived, mDNSBool *pDataDispatched);
#ifdef __cplusplus
}
#endif
#endif
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