59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
#ifndef __mDNSPlatformPosix_h
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#define __mDNSPlatformPosix_h
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#include "lwip/sockets.h"
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// PosixNetworkInterface is a record extension of the core NetworkInterfaceInfo
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// type that supports extra fields needed by the Posix platform.
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//
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// IMPORTANT: coreIntf must be the first field in the structure because
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// we cast between pointers to the two different types regularly.
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typedef struct PosixNetworkInterface PosixNetworkInterface;
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struct PosixNetworkInterface {
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NetworkInterfaceInfo coreIntf;
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const char *intfName;
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PosixNetworkInterface *aliasIntf;
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int index;
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int multicastSocket4;
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#if HAVE_IPV6
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int multicastSocket6;
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#endif
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};
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// This is a global because debugf_() needs to be able to check its value
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extern int gMDNSPlatformPosixVerboseLevel;
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struct mDNS_PlatformSupport_struct {
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int unicastSocket4;
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#if HAVE_IPV6
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int unicastSocket6;
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#endif
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};
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#define uDNS_SERVERS_FILE "/etc/resolv.conf"
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extern int ParseDNSServers(mDNS *m, const char *filePath);
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extern mStatus mDNSPlatformPosixRefreshInterfaceList(mDNS *const m);
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// See comment in implementation.
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// Call mDNSPosixGetFDSet before calling select(), to update the parameters
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// as may be necessary to meet the needs of the mDNSCore code.
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// The timeout pointer MUST NOT be NULL.
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// Set timeout->tv_sec to 0x3FFFFFFF if you want to have effectively no timeout
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// After calling mDNSPosixGetFDSet(), call select(nfds, &readfds, NULL, NULL, &timeout); as usual
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// After select() returns, call mDNSPosixProcessFDSet() to let mDNSCore do its work
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extern void mDNSPosixGetFDSet(mDNS *m, int *nfds, fd_set *readfds, struct timeval *timeout);
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extern void mDNSPosixProcessFDSet(mDNS *const m, fd_set *readfds);
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typedef void (*mDNSPosixEventCallback)(int fd, short filter, void *context);
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extern mStatus mDNSPosixAddFDToEventLoop(int fd, mDNSPosixEventCallback callback, void *context);
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extern mStatus mDNSPosixRemoveFDFromEventLoop(int fd);
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extern mStatus mDNSPosixListenForSignalInEventLoop(int signum);
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extern mStatus mDNSPosixIgnoreSignalInEventLoop(int signum);
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//extern mStatus mDNSPosixRunEventLoopOnce( mDNS *m, const struct timeval *pTimeout, sigset_t *pSignalsReceived, mDNSBool *pDataDispatched);
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#endif
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