/**
* Construct a watched directory and add it to the list of watched directories
*
* @param dirwatch Pointer to the directory watcher
* @param directory Name of directory to watch
* @param flags Add one or more of: SXE_DIRWATCH_CREATED, SXE_DIRWATCH_MODIFIED, SXE_DIRWATCH_DELETED
* @param notify Function to be called when directory changes
* @param user_data Data to pass to the notify callback
*
* @exception Aborts if the dirwatch cannot be added to inotify
*/
void
sxe_dirwatch_add(SXE_DIRWATCH * dirwatch, const char * directory, unsigned flags,
void(*notify)(EV_P_ const char * file, int revents,void * user_data), void * user_data)
{
char buffer[PATH_MAX];
char * cwd;
int inotify_flags = IN_MASK_ADD | IN_ONLYDIR;
SXEE65("(dirwatch=%p, directory=%s, flags=0x%x, notify=%p, user_data=%p)", dirwatch, directory, flags, notify, user_data);
if (flags & SXE_DIRWATCH_CREATED) {
inotify_flags |= IN_CREATE | IN_MOVED_TO;
}
if (flags & SXE_DIRWATCH_MODIFIED) {
inotify_flags |= IN_MODIFY;
}
if (flags & SXE_DIRWATCH_DELETED) {
inotify_flags |= IN_DELETE | IN_MOVED_FROM;
}
dirwatch->notify = notify;
dirwatch->user_data = user_data;
dirwatch->fd = inotify_add_watch(sxe_dirwatch_watcher.fd, directory, inotify_flags);
SXEA13(dirwatch->fd != -1, "Error watching directory '%s' (pwd = '%s'): %s", directory,
(cwd = getcwd(buffer, sizeof(buffer))), strerror(errno));
sxe_list_push(&sxe_dirwatch_list, dirwatch);
SXEL62("added directory %s as watch id %d", directory, dirwatch->fd);
SXER60("return");
}
int
main(int argc, char ** argv)
{
#ifdef WINDOWS_NT
SXEL10("WARNING: Need to implement sxe_spawn() on Windows to run this test file!");
#else
int fd;
double start_time;
unsigned count;
unsigned id;
unsigned * pool;
unsigned * shared;
size_t size;
SXE_MMAP memmap;
SXE_RETURN result;
SXE_SPAWN spawn[TEST_CLIENT_INSTANCES];
if (argc > 1) {
count = atoi(argv[1]);
sxe_mmap_open(&memmap, "memmap");
shared = (unsigned *)(unsigned long)SXE_MMAP_ADDR(&memmap);
pool = sxe_pool_from_base(shared);
SXEL63("Instance %u mapped to shared pool // base=%p, pool=%p", count, shared, pool);
do {
usleep(10000 * count);
id = sxe_pool_set_oldest_element_state_locked(pool, TEST_STATE_FREE, TEST_STATE_CLIENT_TAKE);
SXEA10(id != SXE_POOL_LOCK_NEVER_TAKEN, "Got SXE_POOL_LOCK_NEVER_TAKEN");;
} while (id == SXE_POOL_NO_INDEX);
SXEL62("Instance %u got pool element %u", count, id);
pool[id] = count;
sxe_pool_set_indexed_element_state_locked(pool, id, TEST_STATE_CLIENT_TAKE, TEST_STATE_CLIENT_DONE);
sxe_mmap_close(&memmap);
SXEL61("Instance %u exiting", count);
return 0;
}
plan_tests(5);
ok((size = sxe_pool_size(TEST_CLIENT_INSTANCES/2, sizeof(*pool), TEST_STATE_NUMBER_OF_STATES)) >= TEST_CLIENT_INSTANCES * sizeof(*pool),
"Expect pool size %u to be at least the size of the array %u", size, TEST_CLIENT_INSTANCES * sizeof(*pool));
SXEA11((fd = open("memmap", O_CREAT | O_TRUNC | O_WRONLY, 0666)) >= 0, "Failed to create file 'memmap': %s", strerror(errno));
SXEA12(ftruncate(fd, size) >= 0, "Failed to extend the file to %lu bytes: %s", size, strerror(errno));
close(fd);
sxe_mmap_open(&memmap, "memmap");
shared = (unsigned *)(unsigned long)SXE_MMAP_ADDR(&memmap);
pool = sxe_pool_construct(shared, "shared-pool", TEST_CLIENT_INSTANCES/2, sizeof(*pool), TEST_STATE_NUMBER_OF_STATES, SXE_POOL_LOCKS_ENABLED);
sxe_register(TEST_CLIENT_INSTANCES + 1, 0);
SXEA11((result = sxe_init()) == SXE_RETURN_OK, "Failed to initialize the SXE package: %s", sxe_return_to_string(result));
for (count = 1; count <= TEST_CLIENT_INSTANCES; count++) {
char buffer[12];
snprintf(buffer, sizeof(buffer), "%u", count);
result = sxe_spawn(NULL, &spawn[count - 1], argv[0], buffer, NULL, NULL, NULL, NULL);
SXEA13(result == SXE_RETURN_OK, "Failed to spawn '%s %s': %s", argv[0], buffer, sxe_return_to_string(result));
}
start_time = sxe_get_time_in_seconds();
for (count = 0; (count < TEST_CLIENT_INSTANCES); ) {
SXEA10((TEST_WAIT + start_time ) > sxe_get_time_in_seconds(), "Unexpected timeout... is the hardware too slow?");
usleep(10000);
id = sxe_pool_set_oldest_element_state_locked(pool, TEST_STATE_CLIENT_DONE, TEST_STATE_FREE);
/* Assert here in the test. The actual service would take specific action here */
SXEA12(id != SXE_POOL_LOCK_NEVER_TAKEN, "Parent: Failed to acqure lock .. yield limit reached. id %u vs %u", id, SXE_POOL_LOCK_NEVER_TAKEN);
if (id != SXE_POOL_NO_INDEX) {
SXEL62("Looks like instance %u got element %u", pool[id], id);
count++;
}
}
ok(count == TEST_CLIENT_INSTANCES, "All clients got an element in the pool");
start_time = sxe_get_time_in_seconds();
for (count = 0; (count < TEST_CLIENT_INSTANCES); count++) {
SXEA10((TEST_WAIT + start_time ) > sxe_get_time_in_seconds(), "Unexpected timeout... is the hardware too slow?");
waitpid(spawn[count].pid, NULL, 0);
}
ok(SXE_POOL_LOCK_NEVER_TAKEN != sxe_pool_lock(pool), "Forced lock to be always locked!");
id = sxe_pool_set_oldest_element_state_locked(pool, TEST_STATE_FREE, TEST_STATE_FREE);
ok(id == SXE_POOL_LOCK_NEVER_TAKEN, "sxe_pool_set_oldest_element_state_locked() Failed to acquire lock");
id = sxe_pool_set_indexed_element_state_locked(pool, 0, TEST_STATE_FREE, TEST_STATE_FREE);
ok(id == SXE_POOL_LOCK_NEVER_TAKEN, "sxe_pool_set_indexed_element_state_locked() Failed to acquire lock");
sxe_pool_unlock(pool);
sxe_pool_override_locked(pool); /* for coverage */
sxe_mmap_close(&memmap);
return exit_status();
#endif
}