mDNSWindows/mDNSWin32.h

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2002-2004 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
  18 #ifndef __MDNS_WIN32__
  19 #define __MDNS_WIN32__
  20
  21 #include        "CommonServices.h"
  22
  23 #if( !defined( _WIN32_WCE ) )
  24         #include        <mswsock.h>
  25 #endif
  26
  27 #include        "mDNSEmbeddedAPI.h"
  28 #include        "uDNS.h"
  29
  30 #ifdef  __cplusplus
  31         extern "C" {
  32 #endif
  33
  34
  35 typedef struct Overlapped
  36 {
  37         BOOL            pending;
  38         OVERLAPPED      data;
  39         WSABUF          wbuf;
  40         DWORD           error;
  41         DWORD           bytesTransferred;
  42         mDNSAddr        srcAddr;
  43         mDNSIPPort      srcPort;
  44         mDNSAddr        dstAddr;
  45         mDNSIPPort      dstPort;
  46 } Overlapped;
  47
  48
  49 typedef void ( *TCPReadEventHandler )( TCPSocket * sock );
  50 typedef void ( *TCPUserCallback )();
  51
  52 struct TCPSocket_struct
  53 {
  54         TCPSocketFlags                          flags;          // MUST BE FIRST FIELD -- mDNSCore expects every TCPSocket_struct to begin with TCPSocketFlags flags
  55         SOCKET                                          fd;
  56         TCPReadEventHandler                     readEventHandler;
  57         HANDLE                                          connectEvent;
  58         BOOL                                            connected;
  59         TCPUserCallback                         userCallback;
  60         void                                    *       userContext;
  61         Overlapped                                      overlapped;
  62         DWORD                                           lastError;
  63         BOOL                                            closed;
  64         uint8_t                                         bbuf[ 4192 ];
  65         uint8_t                                 *       bptr;
  66         uint8_t                                 *       eptr;
  67         uint8_t                                 *       ebuf;
  68         TCPSocket                               *       nextDispatchable;
  69         mDNS                                    *       m;
  70 };
  71
  72
  73 struct UDPSocket_struct
  74 {
  75         mDNSIPPort                                              port;                   // MUST BE FIRST FIELD -- mDNSCoreReceive expects every UDPSocket_struct to begin with mDNSIPPort port
  76         mDNSAddr                                                addr;                   // This is initialized by our code. If we don't get the
  77                                                                                                         // dstAddr from WSARecvMsg we use this value instead.
  78         SOCKET                                                  fd;
  79         LPFN_WSARECVMSG                                 recvMsgPtr;
  80         Overlapped                                              overlapped;
  81         WSAMSG                                                  wmsg;
  82         DNSMessage                                              packet;
  83         uint8_t                                                 controlBuffer[ 128 ];
  84         struct sockaddr_storage                 srcAddr;                // This is filled in by the WSARecv* function
  85         INT                                                             srcAddrLen;             // See above
  86         struct mDNSInterfaceData        *       ifd;
  87         UDPSocket                                       *       nextDispatchable;
  88         UDPSocket                                       *       next;
  89         mDNS                                            *       m;
  90 };
  91
  92
  93 //---------------------------------------------------------------------------------------------------------------------------
  94 /*!     @struct         mDNSInterfaceData
  95
  96         @abstract       Structure containing interface-specific data.
  97 */
  98
  99 typedef struct  mDNSInterfaceData       mDNSInterfaceData;
 100 struct  mDNSInterfaceData
 101 {
 102         char                                            name[ 128 ];
 103         uint32_t                                        index;
 104         uint32_t                                        scopeID;
 105         struct UDPSocket_struct         sock;
 106         NetworkInterfaceInfo            interfaceInfo;
 107         mDNSBool                                        hostRegistered;
 108         mDNSInterfaceData               *       next;
 109 };
 110
 111
 112 //---------------------------------------------------------------------------------------------------------------------------
 113 /*!     @typedef        RegisterWaitableEventHandler
 114 */
 115 typedef void            (*RegisterWaitableEventHandler)(mDNS * const inMDNS, HANDLE event, void * context );
 116
 117 //---------------------------------------------------------------------------------------------------------------------------
 118 /*!     @typedef        RegisterWaitableEventFunc
 119 */
 120 typedef mStatus         (*RegisterWaitableEventFunc)(mDNS * const inMDNS, HANDLE event, void * context, RegisterWaitableEventHandler handler );
 121
 122 //---------------------------------------------------------------------------------------------------------------------------
 123 /*!     @typedef        UnregisterWaitableEventHandler
 124 */
 125 typedef void            (*UnregisterWaitableEventFunc)(mDNS * const inMDNS, HANDLE event );
 126
 127 //---------------------------------------------------------------------------------------------------------------------------
 128 /*!     @typedef        ReportStatusFunc
 129 */
 130 typedef void            (*ReportStatusFunc)(int inType, const char *inFormat, ...);
 131
 132
 133 //---------------------------------------------------------------------------------------------------------------------------
 134 /*!     @struct         mDNS_PlatformSupport_struct
 135
 136         @abstract       Structure containing platform-specific data.
 137 */
 138
 139 struct  mDNS_PlatformSupport_struct
 140 {
 141         HANDLE                                          mainThread;
 142         HANDLE                                          checkFileSharesTimer;
 143         mDNSs32                                         checkFileSharesTimeout;
 144         RegisterWaitableEventFunc       registerWaitableEventFunc;
 145         UnregisterWaitableEventFunc     unregisterWaitableEventFunc;
 146         ReportStatusFunc                        reportStatusFunc;
 147         time_t                                          nextDHCPLeaseExpires;
 148         char                                            nbname[ 32 ];
 149         char                                            nbdomain[ 32 ];
 150         mDNSBool                                        smbFileSharing;
 151         mDNSBool                                        smbPrintSharing;
 152         ServiceRecordSet                        smbSRS;
 153         AuthRecord                                      smbSubTypes[ 2 ];
 154         mDNSBool                                        registeredLoopback4;
 155         int                                                     interfaceCount;
 156         mDNSInterfaceData *                     interfaceList;
 157         mDNSInterfaceData *                     inactiveInterfaceList;
 158         struct UDPSocket_struct         unicastSock4;
 159         struct UDPSocket_struct         unicastSock6;
 160 };
 161
 162 //---------------------------------------------------------------------------------------------------------------------------
 163 /*!     @struct         ifaddrs
 164
 165         @abstract       Interface information
 166 */
 167
 168 struct ifaddrs
 169 {
 170         struct ifaddrs *        ifa_next;
 171         char *                          ifa_name;
 172         u_int                           ifa_flags;
 173         struct sockaddr *       ifa_addr;
 174         struct sockaddr *       ifa_netmask;
 175         struct sockaddr *       ifa_broadaddr;
 176         struct sockaddr *       ifa_dstaddr;
 177         BYTE                            ifa_physaddr[6];
 178         BOOL                            ifa_dhcpEnabled;
 179         time_t                          ifa_dhcpLeaseExpires;
 180         mDNSu8                          ifa_womp;
 181         void *                          ifa_data;
 182
 183         struct
 184         {
 185                 uint32_t                index;
 186
 187         }       ifa_extra;
 188 };
 189
 190
 191 extern void             InterfaceListDidChange( mDNS * const inMDNS );
 192 extern void             ComputerDescriptionDidChange( mDNS * const inMDNS );
 193 extern void             TCPIPConfigDidChange( mDNS * const inMDNS );
 194 extern void             DynDNSConfigDidChange( mDNS * const inMDNS );
 195 extern void             FileSharingDidChange( mDNS * const inMDNS );
 196 extern void             FirewallDidChange( mDNS * const inMDNS );
 197 extern mStatus  TCPAddSocket( mDNS * const inMDNS, TCPSocket *sock );
 198 extern mStatus  SetupInterfaceList( mDNS * const inMDNS );
 199 extern mStatus  TearDownInterfaceList( mDNS * const inMDNS );
 200 extern BOOL             IsWOMPEnabled();
 201 extern void     DispatchSocketEvents( mDNS * const inMDNS );
 202
 203
 204 #ifdef  __cplusplus
 205         }
 206 #endif
 207
 208 #endif  // __MDNS_WIN32__