static int write_log_entry(const char *logfile, struct log_entry_t *le) {
#if defined(__unix__) || defined(__APPLE__)
int fd = open(logfile, O_RDWR | O_CREAT, FILE_PERM);
#else
int fd = open(logfile, O_RDWR | O_CREAT);
#endif
if(fd == -1) {
return 0;
}
if(!write_uint64(fd, le->term)
|| !write_uint64(fd, le->index)
|| !write_uint64(fd, le->req_id)
|| !write_uint32(fd, le->bufsize)) {
DBG_LOG(LOG_ERROR, "error in file operation");
return 0;
}
int i = 0;
while(i < le->bufsize) {
int nwrite = write(fd, le->buffer + i, le->bufsize - i);
if(nwrite == -1) {
close(fd);
return 0;
}
i += nwrite;
}
close(fd);
return 1;
}
void *write_pipe_(void *args)
{
uint16_t len = (uint16_t)(((FnArgs *)args)->len);
uint8_t *buf = (uint8_t *)(((FnArgs *)args)->buf);
// Construct and write out the IOQ.
ioq_t ioq;
ioq.v = 0;
uint16_t words = len >> 3;
if ((len & 7) != 0)
words++;
ioq.f.srcp = htons(1);
ioq.f.wlen = htons(words);
ioq.f.dstp = htons(1);
ioq.f.blen = htons(len);
uint8_t outctrl = 0xff;
uint64_t outdata = ioq.v;
write_uint64("in_data", outdata);
write_uint8("in_ctrl", outctrl);
printf("Wrote the IOQ (%llx).\n", outdata);
// Write out full 64-bit words of data.
outctrl = 0;
uint16_t i;
for (i = 0; i < words - 1; ++i) {
word_t w;
w.v = 0;
int j;
for (j = 0; j < 8; ++j)
w.s.b[j] = buf[i * 8 + j];
write_uint64("in_data", w.v);
write_uint8("in_ctrl", outctrl);
printf("Wrote data word %u (%llx).\n", i, w.v);
}
// Write out the last (partial) word.
// Control bus has one bit set to mark the last byte.
// E.g. 2 bytes in the last word, outctrl = 01000000.
outctrl = ((uint8_t)0x80) >> ((len & 7) - 1);
word_t w;
w.v = 0;
int j;
for (j = 0; j < 8; ++j)
w.s.b[j] = buf[i * 8 + j];
write_uint64("in_data", w.v);
write_uint8("in_ctrl", outctrl);
printf("Wrote the last data word, #%u (%llx).\n", i, w.v);
}
// shows the use of the pipeHandler.
int main(int argc, char* argv[])
{
// must be initialized before doing anything
init_pipe_handler();
// register a FIFO pipe test_pipe with
// depth 32, word-width 32.
register_pipe("test_pipe",32,32,0);
register_pipe("test_pipe_64",1,64,0);
// write a integer to test_pipe.
write_uint32("test_pipe",1);
uint64_t tmp = 1;
tmp = tmp | (tmp << 32);
write_uint64("test_pipe_64",tmp);
// read back and print integer.
uint32_t v = read_uint32("test_pipe");
fprintf(stderr,"TEST: received uint32_t %d\n", v);
uint64_t v64 = read_uint64("test_pipe_64");
fprintf(stderr,"TEST: received uint64_t %llu\n", v64);
// write another integer
write_uint32("test_pipe",1);
// read back and print integer.
v = read_uint32("test_pipe");
fprintf(stderr,"TEST: received %d\n", v);
// close the handler.
close_pipe_handler();
return(0);
}
static int writer_uint64(lua_State* L)
{
writer_t* writer = lua_touserdata(L, 1);
lua_Integer integer = luaL_checkinteger(L, 2);
write_uint64(writer, (uint64_t)integer);
return 0;
}
static int
write_header_v1(struct save_data *save_data,
struct ipset_node_cache *cache, ipset_node_id root)
{
/* Output the magic number for an IP set, and the file format
* version that we're going to write. */
rii_check(cork_stream_consumer_data(save_data->stream, NULL, 0, true));
rii_check(write_string(save_data->stream, MAGIC_NUMBER));
rii_check(write_uint16(save_data->stream, 0x0001));
/* Determine how many reachable nodes there are, to calculate the
* size of the set. */
size_t nonterminal_count = ipset_node_reachable_count(cache, root);
size_t set_size =
MAGIC_NUMBER_LENGTH + /* magic number */
sizeof(uint16_t) + /* version number */
sizeof(uint64_t) + /* length of set */
sizeof(uint32_t) + /* number of nonterminals */
(nonterminal_count * /* for each nonterminal: */
(sizeof(uint8_t) + /* variable number */
sizeof(uint32_t) + /* low pointer */
sizeof(uint32_t) /* high pointer */
));
/* If the root is a terminal, we need to add 4 bytes to the set
* size, for storing the terminal value. */
if (ipset_node_get_type(root) == IPSET_TERMINAL_NODE) {
set_size += sizeof(uint32_t);
}
rii_check(write_uint64(save_data->stream, set_size));
rii_check(write_uint32(save_data->stream, nonterminal_count));
return 0;
}
void *spice_marshaller_add_uint64(SpiceMarshaller *m, uint64_t v)
{
uint8_t *ptr;
ptr = spice_marshaller_reserve_space(m, sizeof(uint64_t));
write_uint64(ptr, v);
return (void *)ptr;
}
void write_uint64_n(const char *id, uint64_t* buf, int buf_len)
{
int i;
for(i = 0; i < buf_len; i++)
{
write_uint64((char*) id,buf[i]);
}
}
int key_value_write_lines(FILE *f, struct key_value_specification *kvs, void *base_address[])
{
struct key_value_specification *k;
int rc;
int errs = 0;
for (k = kvs; k->key; k++) {
switch (k->type) {
case KVS_STRING:
rc = write_string(f, k, base_address);
break;
case KVS_INT64:
rc = write_int64(f, k, base_address);
break;
case KVS_INT32:
rc = write_int32(f, k, base_address);
break;
case KVS_INT16:
rc = write_int16(f, k, base_address);
break;
case KVS_INT8:
rc = write_int8(f, k, base_address);
break;
case KVS_UINT64:
rc = write_uint64(f, k, base_address);
break;
case KVS_UINT32:
rc = write_uint32(f, k, base_address);
break;
case KVS_UINT16:
rc = write_uint16(f, k, base_address);
break;
case KVS_UINT8:
rc = write_uint8(f, k, base_address);
break;
case KVS_DOUBLE:
rc = write_double(f, k, base_address);
break;
case KVS_FLOAT:
rc = write_float(f, k, base_address);
break;
default:
fprintf(stderr, "%s:%d: unknown key type '%c' for key '%s'\n",
__func__, __LINE__, k->type, k->key);
rc = -1;
break;
}
if (rc)
errs++;
}
return errs;
}
void
Squeezer_chunk_header_t::write_to_file(FILE * out) const
{
write_uint8(out, chunk_mark[0]);
write_uint8(out, chunk_mark[1]);
write_uint8(out, chunk_mark[2]);
write_uint8(out, chunk_mark[3]);
write_uint64(out, number_of_bytes);
write_uint32(out, number_of_samples);
write_uint32(out, chunk_type);
compression_error.write_to_file(out);
}
static void save_state(struct server_context_t *s) {
//TODO: implement atomic operation
DBG_LOG(LOG_INFO, "[%s][%d] Saving state to disk", ss[s->state], s->current_term);
char *raftstate = path_join(s->basedir, RAFT_STATE);
if(raftstate) {
#if defined(__unix__) || defined(__APPLE__)
int fd = open(raftstate, O_RDWR | O_CREAT, FILE_PERM);
#else
int fd = open(raftstate, O_RDWR | O_CREAT);
#endif
if(fd == -1 || !write_uint64(fd, s->current_term)
|| !write_uint32(fd, s->current_leader)) {
log_fatal_and_exit(s, "error in saving state to file");
}
close(fd);
free(raftstate);
}
}
void spice_marshaller_flush(SpiceMarshaller *m)
{
SpiceMarshaller *m2;
uint8_t *ptr_pos;
/* Only supported for root marshaller */
assert(m->data->marshallers == m);
for (m2 = m; m2 != NULL; m2 = m2->next) {
if (m2->pointer_ref.marshaller != NULL && m2->total_size > 0) {
ptr_pos = lookup_ref(&m2->pointer_ref);
if (m2->pointer_ref.is_64bit) {
write_uint64(ptr_pos,
spice_marshaller_get_offset(m2));
} else {
write_uint32(ptr_pos,
spice_marshaller_get_offset(m2));
}
}
}
}
void *write_pipe_(void* a)
{
write_uint64("foo_in",*((uint64_t*)a));
write_uint64("foo_in",*((uint64_t*)a));
}
int journal_file_verify(
JournalFile *f,
const char *key,
usec_t *first_contained, usec_t *last_validated, usec_t *last_contained,
bool show_progress) {
int r;
Object *o;
uint64_t p = 0, last_epoch = 0, last_tag_realtime = 0, last_sealed_realtime = 0;
uint64_t entry_seqnum = 0, entry_monotonic = 0, entry_realtime = 0;
sd_id128_t entry_boot_id;
bool entry_seqnum_set = false, entry_monotonic_set = false, entry_realtime_set = false, found_main_entry_array = false;
uint64_t n_weird = 0, n_objects = 0, n_entries = 0, n_data = 0, n_fields = 0, n_data_hash_tables = 0, n_field_hash_tables = 0, n_entry_arrays = 0, n_tags = 0;
usec_t last_usec = 0;
int data_fd = -1, entry_fd = -1, entry_array_fd = -1;
unsigned i;
bool found_last = false;
#ifdef HAVE_GCRYPT
uint64_t last_tag = 0;
#endif
assert(f);
if (key) {
#ifdef HAVE_GCRYPT
r = journal_file_parse_verification_key(f, key);
if (r < 0) {
log_error("Failed to parse seed.");
return r;
}
#else
return -ENOTSUP;
#endif
} else if (f->seal)
return -ENOKEY;
data_fd = open_tmpfile("/var/tmp", O_RDWR | O_CLOEXEC);
if (data_fd < 0) {
log_error_errno(errno, "Failed to create data file: %m");
r = -errno;
goto fail;
}
entry_fd = open_tmpfile("/var/tmp", O_RDWR | O_CLOEXEC);
if (entry_fd < 0) {
log_error_errno(errno, "Failed to create entry file: %m");
r = -errno;
goto fail;
}
entry_array_fd = open_tmpfile("/var/tmp", O_RDWR | O_CLOEXEC);
if (entry_array_fd < 0) {
log_error_errno(errno, "Failed to create entry array file: %m");
r = -errno;
goto fail;
}
if (le32toh(f->header->compatible_flags) & ~HEADER_COMPATIBLE_SUPPORTED) {
log_error("Cannot verify file with unknown extensions.");
r = -ENOTSUP;
goto fail;
}
for (i = 0; i < sizeof(f->header->reserved); i++)
if (f->header->reserved[i] != 0) {
error(offsetof(Header, reserved[i]), "Reserved field is non-zero");
r = -EBADMSG;
goto fail;
}
/* First iteration: we go through all objects, verify the
* superficial structure, headers, hashes. */
p = le64toh(f->header->header_size);
for (;;) {
/* Early exit if there are no objects in the file, at all */
if (le64toh(f->header->tail_object_offset) == 0)
break;
if (show_progress)
draw_progress(scale_progress(0x7FFF, p, le64toh(f->header->tail_object_offset)), &last_usec);
r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o);
if (r < 0) {
error(p, "Invalid object");
goto fail;
}
if (p > le64toh(f->header->tail_object_offset)) {
error(offsetof(Header, tail_object_offset), "Invalid tail object pointer");
r = -EBADMSG;
goto fail;
}
n_objects ++;
r = journal_file_object_verify(f, p, o);
if (r < 0) {
error(p, "Invalid object contents: %s", strerror(-r));
goto fail;
}
if ((o->object.flags & OBJECT_COMPRESSED_XZ) &&
(o->object.flags & OBJECT_COMPRESSED_LZ4)) {
error(p, "Objected with double compression");
r = -EINVAL;
goto fail;
}
if ((o->object.flags & OBJECT_COMPRESSED_XZ) && !JOURNAL_HEADER_COMPRESSED_XZ(f->header)) {
error(p, "XZ compressed object in file without XZ compression");
r = -EBADMSG;
goto fail;
}
if ((o->object.flags & OBJECT_COMPRESSED_LZ4) && !JOURNAL_HEADER_COMPRESSED_LZ4(f->header)) {
error(p, "LZ4 compressed object in file without LZ4 compression");
r = -EBADMSG;
goto fail;
}
switch (o->object.type) {
case OBJECT_DATA:
r = write_uint64(data_fd, p);
if (r < 0)
goto fail;
n_data++;
break;
case OBJECT_FIELD:
n_fields++;
break;
case OBJECT_ENTRY:
if (JOURNAL_HEADER_SEALED(f->header) && n_tags <= 0) {
error(p, "First entry before first tag");
r = -EBADMSG;
goto fail;
}
r = write_uint64(entry_fd, p);
if (r < 0)
goto fail;
if (le64toh(o->entry.realtime) < last_tag_realtime) {
error(p, "Older entry after newer tag");
r = -EBADMSG;
goto fail;
}
if (!entry_seqnum_set &&
le64toh(o->entry.seqnum) != le64toh(f->header->head_entry_seqnum)) {
error(p, "Head entry sequence number incorrect");
r = -EBADMSG;
goto fail;
}
if (entry_seqnum_set &&
entry_seqnum >= le64toh(o->entry.seqnum)) {
error(p, "Entry sequence number out of synchronization");
r = -EBADMSG;
goto fail;
}
entry_seqnum = le64toh(o->entry.seqnum);
entry_seqnum_set = true;
if (entry_monotonic_set &&
sd_id128_equal(entry_boot_id, o->entry.boot_id) &&
entry_monotonic > le64toh(o->entry.monotonic)) {
error(p, "Entry timestamp out of synchronization");
r = -EBADMSG;
goto fail;
}
entry_monotonic = le64toh(o->entry.monotonic);
entry_boot_id = o->entry.boot_id;
entry_monotonic_set = true;
if (!entry_realtime_set &&
le64toh(o->entry.realtime) != le64toh(f->header->head_entry_realtime)) {
error(p, "Head entry realtime timestamp incorrect");
r = -EBADMSG;
goto fail;
}
entry_realtime = le64toh(o->entry.realtime);
entry_realtime_set = true;
n_entries ++;
break;
case OBJECT_DATA_HASH_TABLE:
if (n_data_hash_tables > 1) {
error(p, "More than one data hash table");
r = -EBADMSG;
goto fail;
}
if (le64toh(f->header->data_hash_table_offset) != p + offsetof(HashTableObject, items) ||
le64toh(f->header->data_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) {
error(p, "header fields for data hash table invalid");
r = -EBADMSG;
goto fail;
}
n_data_hash_tables++;
break;
case OBJECT_FIELD_HASH_TABLE:
if (n_field_hash_tables > 1) {
error(p, "More than one field hash table");
r = -EBADMSG;
goto fail;
}
if (le64toh(f->header->field_hash_table_offset) != p + offsetof(HashTableObject, items) ||
le64toh(f->header->field_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) {
error(p, "Header fields for field hash table invalid");
r = -EBADMSG;
goto fail;
}
n_field_hash_tables++;
break;
case OBJECT_ENTRY_ARRAY:
r = write_uint64(entry_array_fd, p);
if (r < 0)
goto fail;
if (p == le64toh(f->header->entry_array_offset)) {
if (found_main_entry_array) {
error(p, "More than one main entry array");
r = -EBADMSG;
goto fail;
}
found_main_entry_array = true;
}
n_entry_arrays++;
break;
case OBJECT_TAG:
if (!JOURNAL_HEADER_SEALED(f->header)) {
error(p, "Tag object in file without sealing");
r = -EBADMSG;
goto fail;
}
if (le64toh(o->tag.seqnum) != n_tags + 1) {
error(p, "Tag sequence number out of synchronization");
r = -EBADMSG;
goto fail;
}
if (le64toh(o->tag.epoch) < last_epoch) {
error(p, "Epoch sequence out of synchronization");
r = -EBADMSG;
goto fail;
}
#ifdef HAVE_GCRYPT
if (f->seal) {
uint64_t q, rt;
debug(p, "Checking tag %"PRIu64"...", le64toh(o->tag.seqnum));
rt = f->fss_start_usec + o->tag.epoch * f->fss_interval_usec;
if (entry_realtime_set && entry_realtime >= rt + f->fss_interval_usec) {
error(p, "tag/entry realtime timestamp out of synchronization");
r = -EBADMSG;
goto fail;
}
/* OK, now we know the epoch. So let's now set
* it, and calculate the HMAC for everything
* since the last tag. */
r = journal_file_fsprg_seek(f, le64toh(o->tag.epoch));
if (r < 0)
goto fail;
r = journal_file_hmac_start(f);
if (r < 0)
goto fail;
if (last_tag == 0) {
r = journal_file_hmac_put_header(f);
if (r < 0)
goto fail;
q = le64toh(f->header->header_size);
} else
q = last_tag;
while (q <= p) {
r = journal_file_move_to_object(f, OBJECT_UNUSED, q, &o);
if (r < 0)
goto fail;
r = journal_file_hmac_put_object(f, OBJECT_UNUSED, o, q);
if (r < 0)
goto fail;
q = q + ALIGN64(le64toh(o->object.size));
}
/* Position might have changed, let's reposition things */
r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o);
if (r < 0)
goto fail;
if (memcmp(o->tag.tag, gcry_md_read(f->hmac, 0), TAG_LENGTH) != 0) {
error(p, "Tag failed verification");
r = -EBADMSG;
goto fail;
}
f->hmac_running = false;
last_tag_realtime = rt;
last_sealed_realtime = entry_realtime;
}
last_tag = p + ALIGN64(le64toh(o->object.size));
#endif
last_epoch = le64toh(o->tag.epoch);
n_tags ++;
break;
default:
n_weird ++;
}
if (p == le64toh(f->header->tail_object_offset)) {
found_last = true;
break;
}
p = p + ALIGN64(le64toh(o->object.size));
};
if (!found_last && le64toh(f->header->tail_object_offset) != 0) {
error(le64toh(f->header->tail_object_offset), "Tail object pointer dead");
r = -EBADMSG;
goto fail;
}
if (n_objects != le64toh(f->header->n_objects)) {
error(offsetof(Header, n_objects), "Object number mismatch");
r = -EBADMSG;
goto fail;
}
if (n_entries != le64toh(f->header->n_entries)) {
error(offsetof(Header, n_entries), "Entry number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_data) &&
n_data != le64toh(f->header->n_data)) {
error(offsetof(Header, n_data), "Data number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_fields) &&
n_fields != le64toh(f->header->n_fields)) {
error(offsetof(Header, n_fields), "Field number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_tags) &&
n_tags != le64toh(f->header->n_tags)) {
error(offsetof(Header, n_tags), "Tag number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays) &&
n_entry_arrays != le64toh(f->header->n_entry_arrays)) {
error(offsetof(Header, n_entry_arrays), "Entry array number mismatch");
r = -EBADMSG;
goto fail;
}
if (!found_main_entry_array && le64toh(f->header->entry_array_offset) != 0) {
error(0, "Missing entry array");
r = -EBADMSG;
goto fail;
}
if (entry_seqnum_set &&
entry_seqnum != le64toh(f->header->tail_entry_seqnum)) {
error(offsetof(Header, tail_entry_seqnum), "Invalid tail seqnum");
r = -EBADMSG;
goto fail;
}
if (entry_monotonic_set &&
(!sd_id128_equal(entry_boot_id, f->header->boot_id) ||
entry_monotonic != le64toh(f->header->tail_entry_monotonic))) {
error(0, "Invalid tail monotonic timestamp");
r = -EBADMSG;
goto fail;
}
if (entry_realtime_set && entry_realtime != le64toh(f->header->tail_entry_realtime)) {
error(0, "Invalid tail realtime timestamp");
r = -EBADMSG;
goto fail;
}
/* Second iteration: we follow all objects referenced from the
* two entry points: the object hash table and the entry
* array. We also check that everything referenced (directly
* or indirectly) in the data hash table also exists in the
* entry array, and vice versa. Note that we do not care for
* unreferenced objects. We only care that everything that is
* referenced is consistent. */
r = verify_entry_array(f,
data_fd, n_data,
entry_fd, n_entries,
entry_array_fd, n_entry_arrays,
&last_usec,
show_progress);
if (r < 0)
goto fail;
r = verify_hash_table(f,
data_fd, n_data,
entry_fd, n_entries,
entry_array_fd, n_entry_arrays,
&last_usec,
show_progress);
if (r < 0)
goto fail;
if (show_progress)
flush_progress();
mmap_cache_close_fd(f->mmap, data_fd);
mmap_cache_close_fd(f->mmap, entry_fd);
mmap_cache_close_fd(f->mmap, entry_array_fd);
safe_close(data_fd);
safe_close(entry_fd);
safe_close(entry_array_fd);
if (first_contained)
*first_contained = le64toh(f->header->head_entry_realtime);
if (last_validated)
*last_validated = last_sealed_realtime;
if (last_contained)
*last_contained = le64toh(f->header->tail_entry_realtime);
return 0;
fail:
if (show_progress)
flush_progress();
log_error("File corruption detected at %s:"OFSfmt" (of %llu bytes, %"PRIu64"%%).",
f->path,
p,
(unsigned long long) f->last_stat.st_size,
100 * p / f->last_stat.st_size);
if (data_fd >= 0) {
mmap_cache_close_fd(f->mmap, data_fd);
safe_close(data_fd);
}
if (entry_fd >= 0) {
mmap_cache_close_fd(f->mmap, entry_fd);
safe_close(entry_fd);
}
if (entry_array_fd >= 0) {
mmap_cache_close_fd(f->mmap, entry_array_fd);
safe_close(entry_array_fd);
}
return r;
}
int start (void)
#endif
{
uint64_t apl64;
uint32_t i, apl;
uint16_t apl16;
uint8_t apl8,my_apl8;
void *sptr, *rptr;
double ong64, my_ong64;
float ong, my_ong;
int failure = 0;
i = 0;
while (i < 10) {
#ifdef RUN
apl = rand();
#else
apl = i + 1;
#endif
my_ong = (float)apl;
my_ong64 = (double)apl;
apl64 = (uint64_t)apl;
apl16 = (uint16_t)apl;
my_apl8 = (uint8_t)apl16;
write_uint64("apples64", apl64);
#ifdef RUN
fprintf(stderr, "\n(%d.a) sent a 64-bit apple: %llu..", i, apl64);
#endif
ong64 = read_float64("oranges64");
#ifdef RUN
fprintf(stderr, "\ngot a (double) orange: %le.", ong64);
#endif
failure |= (my_ong64 != ong64);
write_uint32("apples32", apl);
#ifdef RUN
fprintf(stderr, "\n(%d.b) sent a 32-bit apple: %d.", i, apl);
#endif
ong = read_float32("oranges32");
#ifdef RUN
fprintf(stderr, "\ngot a (float) orange: %f.", ong);
#endif
failure |= (my_ong != ong);
write_uint16("apples16", apl16);
#ifdef RUN
fprintf(stderr, "\n(%d.c) sent a 16-bit apple: %d.", i, apl16);
#endif
apl8 = read_uint8("oranges8");
#ifdef RUN
fprintf(stderr, "\ngot an 8-bit orange: %d.", apl8);
#endif
sptr = (void*) &apl;
write_pointer("apples32", sptr);
#ifdef RUN
fprintf(stderr, "\n(%d.d) sent a pointer apple: %d.", i, (unsigned int)sptr);
#endif
rptr = read_pointer("oranges32");
#ifdef RUN
fprintf(stderr, "\ngot a pointer orange: %d.",(unsigned int) rptr);
#endif
failure |= (sptr != rptr);
++i;
}
#ifdef RUN
if (failure == 0)
fprintf(stderr, "\nAll conversions successful.\n");
else
fprintf(stderr, "\nSome conversion(s) failed.\n");
#endif
return failure;
}
