mirror of
git://projects.qi-hardware.com/gmenu2x.git
synced 2024-06-28 12:22:56 +03:00
94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
#ifdef ENABLE_INOTIFY
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#include "debug.h"
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#include <climits>
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#include <dirent.h>
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#include <pthread.h>
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#include <SDL.h>
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#include <signal.h>
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#include <sys/inotify.h>
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#include <unistd.h>
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#include "inputmanager.h"
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#include "monitor.h"
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#include "utilities.h"
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void Monitor::inject_event(bool is_add, const char *path)
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{
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if (is_add)
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inject_user_event(OPEN_PACKAGE, strdup(path));
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else
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inject_user_event(REMOVE_LINKS, strdup(path));
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}
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bool Monitor::event_accepted(struct inotify_event &event)
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{
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/* Don't bother other files than OPKs */
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size_t len = strlen(event.name);
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return len >= 5 && !strncmp(event.name + len - 4, ".opk", 4);
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}
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int Monitor::run()
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{
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DEBUG("Starting inotify thread for path %s...\n", path.c_str());
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int fd = inotify_init1(IN_CLOEXEC);
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if (fd < 0) {
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ERROR("Unable to start inotify\n");
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return fd;
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}
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int wd = inotify_add_watch(fd, path.c_str(), mask);
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if (wd < 0) {
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ERROR("Unable to add inotify watch on '%s': %s\n",
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path.c_str(), strerror(errno));
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close(fd);
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return wd;
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}
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DEBUG("Starting watching directory %s\n", path.c_str());
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for (;;) {
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size_t len = sizeof(struct inotify_event) + NAME_MAX + 1;
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struct inotify_event event;
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char buf[256];
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read(fd, &event, len);
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if (event.mask & (IN_DELETE_SELF | IN_MOVE_SELF)) {
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inject_event(false, path.c_str());
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break;
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}
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sprintf(buf, "%s/%s", path.c_str(), event.name);
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if (!event_accepted(event))
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continue;
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inject_event(event.mask & (IN_MOVED_TO | IN_CLOSE_WRITE | IN_CREATE), buf);
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}
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return 0;
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}
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static void * inotify_thd(void *p)
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{
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Monitor *monitor = (Monitor *) p;
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monitor->run();
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return NULL;
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}
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Monitor::Monitor(std::string path, unsigned int flags) : path(path)
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{
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mask = flags;
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pthread_create(&thd, NULL, inotify_thd, (void *) this);
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}
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Monitor::~Monitor()
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{
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pthread_cancel(thd);
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pthread_join(thd, NULL);
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DEBUG("Monitor thread stopped (was watching %s)\n", path.c_str());
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}
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#endif
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