xref: /aosp_15_r20/external/mdnsresponder/mDNSShared/uds_daemon.h (revision 48a54d368dc4fa860885eef7b70b6c53499e7c25)

/* -*- Mode: C; tab-width: 4 -*-
 *
 * Copyright (c) 2002-2003 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.

 	File:		uds_daemon.h

 	Contains:	Interfaces necessary to talk to uds_daemon.c.

 	Version:	1.0

 */

#include "mDNSEmbeddedAPI.h"
#include "dnssd_ipc.h"

/* Client interface: */

#define SRS_PORT(S) mDNSVal16((S)->RR_SRV.resrec.rdata->u.srv.port)

extern int udsserver_init(dnssd_sock_t skts[], mDNSu32 count);
extern mDNSs32 udsserver_idle(mDNSs32 nextevent);
extern void udsserver_info(mDNS *const m);	// print out info about current state
extern void udsserver_handle_configchange(mDNS *const m);
extern int udsserver_exit(void);	// should be called prior to app exit

/* Routines that uds_daemon expects to link against: */

typedef	void (*udsEventCallback)(int fd, short filter, void *context);
extern mStatus udsSupportAddFDToEventLoop(dnssd_sock_t fd, udsEventCallback callback, void *context, void **platform_data);
extern int     udsSupportReadFD(dnssd_sock_t fd, char* buf, int len, int flags, void *platform_data);
extern mStatus udsSupportRemoveFDFromEventLoop(dnssd_sock_t fd, void *platform_data); // Note: This also CLOSES the file descriptor as well

extern void RecordUpdatedNiceLabel(mDNS *const m, mDNSs32 delay);

// Globals and functions defined in uds_daemon.c and also shared with the old "daemon.c" on OS X

extern mDNS mDNSStorage;
extern DNameListElem *AutoRegistrationDomains;
extern DNameListElem *AutoBrowseDomains;

extern mDNSs32 ChopSubTypes(char *regtype);
extern AuthRecord *AllocateSubTypes(mDNSs32 NumSubTypes, char *p);
extern int CountExistingRegistrations(domainname *srv, mDNSIPPort port);
extern void FreeExtraRR(mDNS *const m, AuthRecord *const rr, mStatus result);
extern int CountPeerRegistrations(mDNS *const m, ServiceRecordSet *const srs);

#if APPLE_OSX_mDNSResponder
extern void machserver_automatic_browse_domain_changed(const domainname *d, mDNSBool add);
extern void machserver_automatic_registration_domain_changed(const domainname *d, mDNSBool add);
// External support
extern void mDNSInitPacketFilter(void);
extern void external_start_browsing_for_service(mDNS *const m, const domainname *const type, DNS_TypeValues qtype);
extern void external_stop_browsing_for_service(mDNS *const m, const domainname *const type, DNS_TypeValues qtype);
extern void external_start_advertising_service(const ResourceRecord *const resourceRecord);
extern void external_stop_advertising_service(const ResourceRecord *const resourceRecord);
extern void external_start_resolving_service(const domainname *const fqdn);
extern void external_stop_resolving_service(const domainname *const fqdn);
#else
#define external_start_browsing_for_service(A,B,C) (void)(A)
#define external_stop_browsing_for_service(A,B,C)  (void)(A)
#define external_start_advertising_service(A)      (void)(A)
#define external_stop_advertising_service(A)       (void)(A)
#define external_start_resolving_service(A)        (void)(A)
#define external_stop_resolving_service(A)         (void)(A)
#endif // APPLE_OSX_mDNSResponder

extern const char mDNSResponderVersionString_SCCS[];
#define mDNSResponderVersionString (mDNSResponderVersionString_SCCS+5)