mDNSShared/uds_daemon.h

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2002-2013 Apple 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
  18 #include "mDNSEmbeddedAPI.h"
  19 #include "dnssd_ipc.h"
  20
  21 /* Client interface: */
  22
  23 #define SRS_PORT(S) mDNSVal16((S)->RR_SRV.resrec.rdata->u.srv.port)
  24
  25 #define LogTimer(MSG,T) LogMsgNoIdent( MSG " %08X %11d  %08X %11d", (T), (T), (T)-now, (T)-now)
  26
  27 extern int udsserver_init(dnssd_sock_t skts[], mDNSu32 count);
  28 extern mDNSs32 udsserver_idle(mDNSs32 nextevent);
  29 extern void udsserver_info(mDNS *const m);  // print out info about current state
  30 extern void udsserver_handle_configchange(mDNS *const m);
  31 extern int udsserver_exit(void);    // should be called prior to app exit
  32 extern void LogMcastStateInfo(mDNS *const m, mDNSBool mflag, mDNSBool start, mDNSBool mstatelog);
  33 #define LogMcastQ       (mDNS_McastLoggingEnabled == 0) ? ((void)0) : LogMcastQuestion
  34 #define LogMcastS       (mDNS_McastLoggingEnabled == 0) ? ((void)0) : LogMcastService
  35 #define LogMcast        (mDNS_McastLoggingEnabled == 0) ? ((void)0) : LogMsg
  36 #define LogMcastNoIdent (mDNS_McastLoggingEnabled == 0) ? ((void)0) : LogMsgNoIdent
  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, char **AnonData);
  54 extern AuthRecord *AllocateSubTypes(mDNSs32 NumSubTypes, char *p, char **AnonData);
  55 extern int CountExistingRegistrations(domainname *srv, mDNSIPPort port);
  56 extern mDNSBool callExternalHelpers(mDNSInterfaceID InterfaceID, const domainname *const domain, DNSServiceFlags flags);
  57 extern void FreeExtraRR(mDNS *const m, AuthRecord *const rr, mStatus result);
  58 extern int CountPeerRegistrations(mDNS *const m, ServiceRecordSet *const srs);
  59
  60 #if APPLE_OSX_mDNSResponder
  61
  62 // D2D interface support
  63 extern void external_start_browsing_for_service(mDNSInterfaceID InterfaceID, const domainname *const type, DNS_TypeValues qtype, DNSServiceFlags flags, DNSQuestion * q);
  64 extern void external_stop_browsing_for_service(mDNSInterfaceID InterfaceID, const domainname *const type, DNS_TypeValues qtype, DNSServiceFlags flags);
  65 extern void external_start_advertising_service(const ResourceRecord *const resourceRecord, DNSServiceFlags flags);
  66 extern void external_stop_advertising_service(const ResourceRecord *const resourceRecord, DNSServiceFlags flags);
  67 extern void external_start_resolving_service(mDNSInterfaceID InterfaceID, const domainname *const fqdn, DNSServiceFlags flags);
  68 extern void external_stop_resolving_service(mDNSInterfaceID InterfaceID, const domainname *const fqdn, DNSServiceFlags flags);
  69 extern void external_connection_release(const domainname *instance);
  70
  71 extern void internal_start_browsing_for_service(mDNSInterfaceID InterfaceID, const domainname *const type, DNS_TypeValues qtype, DNSServiceFlags flags);
  72 extern void internal_stop_browsing_for_service(mDNSInterfaceID InterfaceID, const domainname *const type, DNS_TypeValues qtype, DNSServiceFlags flags);
  73 extern void internal_start_advertising_service(const ResourceRecord *const resourceRecord, DNSServiceFlags flags);
  74 extern void internal_stop_advertising_service(const ResourceRecord *const resourceRecord, DNSServiceFlags flags);
  75
  76 #else   // APPLE_OSX_mDNSResponder
  77
  78 #define external_start_browsing_for_service(A,B,C,D,E) (void)(A)
  79 #define external_stop_browsing_for_service(A,B,C,D)  (void)(A)
  80 #define external_start_advertising_service(A,B)      (void)(A)
  81 #define external_stop_advertising_service(A,B)       do { (void)(A); (void)(B); } while (0)
  82 #define external_start_resolving_service(A,B,C)      (void)(A)
  83 #define external_stop_resolving_service(A,B,C)       (void)(A)
  84 #define external_connection_release(A)               (void)(A)
  85
  86 #endif // APPLE_OSX_mDNSResponder
  87
  88 extern const char mDNSResponderVersionString_SCCS[];
  89 #define mDNSResponderVersionString (mDNSResponderVersionString_SCCS+5)
  90
  91 #if DEBUG
  92 extern void SetDebugBoundPath(void);
  93 extern int IsDebugSocketInUse(void);
  94 #endif