mirror of
https://github.com/transmission/transmission
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132 lines
2.5 KiB
C++
132 lines
2.5 KiB
C++
/**
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Released under a free dont-bother-me license. I don't claim this
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software won't destroy everything that you hold dear, but I really
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doubt it will. And please try not to take credit for others' work.
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@author James Wynn
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@date 4/15/2009
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*/
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#if defined(WITH_KQUEUE) || defined(__APPLE_CC__)
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#include "FileWatcherOSX.h"
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#include <sys/event.h>
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#include <sys/time.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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namespace FW
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{
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struct kevent change;
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struct kevent event;
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struct WatchStruct
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{
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WatchID mWatchID;
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String mDirName;
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FileWatchListener* mListener;
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};
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//--------
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FileWatcherOSX::FileWatcherOSX()
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{
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mDescriptor = kqueue();
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mTimeOut.tv_sec = 0;
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mTimeOut.tv_nsec = 0;
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}
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//--------
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FileWatcherOSX::~FileWatcherOSX()
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{
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WatchMap::iterator iter = mWatches.begin();
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WatchMap::iterator end = mWatches.end();
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for(; iter != end; ++iter)
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{
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delete iter->second;
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}
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mWatches.clear();
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close(mDescriptor);
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}
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//--------
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WatchID FileWatcherOSX::addWatch(const String& directory, FileWatchListener* watcher)
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{
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int fd = open(directory.c_str(), O_RDONLY);
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if(fd == -1)
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perror("open");
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EV_SET(&change, fd, EVFILT_VNODE,
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EV_ADD | EV_ENABLE | EV_ONESHOT,
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NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB,
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0, (void*)"testing");
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return 0;
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}
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//--------
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void FileWatcherOSX::removeWatch(const String& directory)
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{
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WatchMap::iterator iter = mWatches.begin();
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WatchMap::iterator end = mWatches.end();
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for(; iter != end; ++iter)
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{
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if(directory == iter->second->mDirName)
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{
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removeWatch(iter->first);
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return;
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}
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}
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}
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//--------
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void FileWatcherOSX::removeWatch(WatchID watchid)
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{
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WatchMap::iterator iter = mWatches.find(watchid);
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if(iter == mWatches.end())
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return;
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WatchStruct* watch = iter->second;
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mWatches.erase(iter);
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//inotify_rm_watch(mFD, watchid);
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delete watch;
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watch = 0;
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}
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//--------
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void FileWatcherOSX::update()
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{
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int nev = kevent(mDescriptor, &change, 1, &event, 1, &mTimeOut);
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if(nev == -1)
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perror("kevent");
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else if (nev > 0)
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{
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printf("File: %s -- ", (char*)event.udata);
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if(event.fflags & NOTE_DELETE)
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{
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printf("File deleted\n");
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}
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if(event.fflags & NOTE_EXTEND ||
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event.fflags & NOTE_WRITE)
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printf("File modified\n");
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if(event.fflags & NOTE_ATTRIB)
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printf("File attributes modified\n");
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}
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}
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//--------
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void FileWatcherOSX::handleAction(WatchStruct* watch, const String& filename, unsigned long action)
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{
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}
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};//namespace FW
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#endif // WITH_KQUEUE || __APPLE_CC__
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