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gmenu2x/src/monitor.cpp

72 lines
1.4 KiB
C++

#ifdef ENABLE_INOTIFY
#include "debug.h"
#include <dirent.h>
#include <pthread.h>
#include <SDL.h>
#include <signal.h>
#include <sys/inotify.h>
#include <unistd.h>
#include "monitor.h"
static void * inotify_thd(void *p)
{
const char *path = (const char *) p;
int wd, fd;
DEBUG("Starting inotify thread for path %s...\n", path);
fd = inotify_init();
if (fd == -1) {
ERROR("Unable to start inotify\n");
return NULL;
}
wd = inotify_add_watch(fd, path, IN_MOVED_FROM | IN_MOVED_TO |
IN_CLOSE_WRITE | IN_DELETE);
if (wd == -1) {
ERROR("Unable to add inotify watch\n");
close(fd);
return NULL;
}
DEBUG("Starting watching directory %s\n", path);
for (;;) {
size_t len = sizeof(struct inotify_event) + NAME_MAX + 1;
struct inotify_event event;
char buf[256];
read(fd, &event, len);
sprintf(buf, "%s/%s", path, event.name);
/* Don't bother other files than OPKs */
len = strlen(event.name);
if (len < 5 || strncmp(event.name + len - 4, ".opk", 4))
continue;
SDL_UserEvent e = {
.type = SDL_USEREVENT,
.code = (int) (event.mask & (IN_MOVED_TO | IN_CLOSE_WRITE)),
.data1 = strdup(buf),
.data2 = NULL,
};
/* Inject an user event, that will be handled as a "repaint"
* event by the InputManager */
SDL_PushEvent((SDL_Event *) &e);
}
}
Monitor::Monitor(std::string path) : path(path)
{
pthread_create(&thd, NULL, inotify_thd, (void *) path.c_str());
}
Monitor::~Monitor(void)
{
pthread_kill(thd, SIGINT);
}
#endif