| /* -*- 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. |
| */ |
| |
| #ifndef __mDNSPlatformPosix_h |
| #define __mDNSPlatformPosix_h |
| |
| #include <signal.h> |
| #include <sys/time.h> |
| #ifdef __ANDROID__ |
| #include <sys/select.h> |
| #endif |
| |
| #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)(int fd, short filter, 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 |