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      1 /* -*- Mode: C; tab-width: 4 -*-
      2  *
      3  * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16 
     17  	File:		uds_daemon.h
     18 
     19  	Contains:	Interfaces necessary to talk to uds_daemon.c.
     20 
     21  	Version:	1.0
     22 
     23  */
     24 
     25 #include "mDNSEmbeddedAPI.h"
     26 #include "dnssd_ipc.h"
     27 
     28 /* Client interface: */
     29 
     30 #define SRS_PORT(S) mDNSVal16((S)->RR_SRV.resrec.rdata->u.srv.port)
     31 
     32 extern int udsserver_init(dnssd_sock_t skts[], mDNSu32 count);
     33 extern mDNSs32 udsserver_idle(mDNSs32 nextevent);
     34 extern void udsserver_info(mDNS *const m);	// print out info about current state
     35 extern void udsserver_handle_configchange(mDNS *const m);
     36 extern int udsserver_exit(void);	// should be called prior to app exit
     37 
     38 /* Routines that uds_daemon expects to link against: */
     39 
     40 typedef	void (*udsEventCallback)(int fd, short filter, void *context);
     41 extern mStatus udsSupportAddFDToEventLoop(dnssd_sock_t fd, udsEventCallback callback, void *context, void **platform_data);
     42 extern int     udsSupportReadFD(dnssd_sock_t fd, char* buf, int len, int flags, void *platform_data);
     43 extern mStatus udsSupportRemoveFDFromEventLoop(dnssd_sock_t fd, void *platform_data); // Note: This also CLOSES the file descriptor as well
     44 
     45 extern void RecordUpdatedNiceLabel(mDNS *const m, mDNSs32 delay);
     46 
     47 // Globals and functions defined in uds_daemon.c and also shared with the old "daemon.c" on OS X
     48 
     49 extern mDNS mDNSStorage;
     50 extern DNameListElem *AutoRegistrationDomains;
     51 extern DNameListElem *AutoBrowseDomains;
     52 
     53 extern mDNSs32 ChopSubTypes(char *regtype);
     54 extern AuthRecord *AllocateSubTypes(mDNSs32 NumSubTypes, char *p);
     55 extern int CountExistingRegistrations(domainname *srv, mDNSIPPort port);
     56 extern void FreeExtraRR(mDNS *const m, AuthRecord *const rr, mStatus result);
     57 extern int CountPeerRegistrations(mDNS *const m, ServiceRecordSet *const srs);
     58 
     59 #if APPLE_OSX_mDNSResponder
     60 extern void machserver_automatic_browse_domain_changed(const domainname *d, mDNSBool add);
     61 extern void machserver_automatic_registration_domain_changed(const domainname *d, mDNSBool add);
     62 // External support
     63 extern void mDNSInitPacketFilter(void);
     64 extern void external_start_browsing_for_service(mDNS *const m, const domainname *const type, DNS_TypeValues qtype);
     65 extern void external_stop_browsing_for_service(mDNS *const m, const domainname *const type, DNS_TypeValues qtype);
     66 extern void external_start_advertising_service(const ResourceRecord *const resourceRecord);
     67 extern void external_stop_advertising_service(const ResourceRecord *const resourceRecord);
     68 extern void external_start_resolving_service(const domainname *const fqdn);
     69 extern void external_stop_resolving_service(const domainname *const fqdn);
     70 #else
     71 #define external_start_browsing_for_service(A,B,C) (void)(A)
     72 #define external_stop_browsing_for_service(A,B,C)  (void)(A)
     73 #define external_start_advertising_service(A)      (void)(A)
     74 #define external_stop_advertising_service(A)       (void)(A)
     75 #define external_start_resolving_service(A)        (void)(A)
     76 #define external_stop_resolving_service(A)         (void)(A)
     77 #endif // APPLE_OSX_mDNSResponder
     78 
     79 extern const char mDNSResponderVersionString_SCCS[];
     80 #define mDNSResponderVersionString (mDNSResponderVersionString_SCCS+5)
     81