void
persist_state_alloc_string(PersistState *self, const gchar *persist_name, const gchar *value, gssize len)
{
PersistEntryHandle handle;
SerializeArchive *sa;
GString *buf;
gboolean success;
gpointer block;
if (len < 0)
len = strlen(value);
buf = g_string_sized_new(len + 5);
sa = serialize_string_archive_new(buf);
success = serialize_write_cstring(sa, value, len);
g_assert(success == TRUE);
serialize_archive_free(sa);
handle = persist_state_alloc_entry(self, persist_name, buf->len);
block = persist_state_map_entry(self, handle);
memcpy(block, buf->str, buf->len);
persist_state_unmap_entry(self, handle);
g_string_free(buf, TRUE);
}
static void
_alloc_state(JournalReader *self)
{
self->persist_handle = persist_state_alloc_entry(self->persist_state, self->persist_name, sizeof(JournalReaderState));
JournalReaderState *state = persist_state_map_entry(self->persist_state, self->persist_handle);
state->header.version = 0;
state->header.big_endian = (G_BYTE_ORDER == G_BIG_ENDIAN);
persist_state_unmap_entry(self->persist_state, self->persist_handle);
}
void
write_test_file_for_test_in_use_handle(gboolean in_use_handle)
{
PersistState *state = clean_and_create_persist_state_for_test("test_in_use.persist");
PersistEntryHandle handle = persist_state_alloc_entry(state, "alma", sizeof(TestState));
TestState *test_state = (TestState*) persist_state_map_entry(state, handle);
test_state->value = 0xDEADBEEF;
persist_state_unmap_entry(state, handle);
if (!in_use_handle)
persist_state_remove_entry(state, "alma");
commit_and_free_persist_state(state);
}
void
test_persist_state_foreach_entry(void)
{
PersistState *state = clean_and_create_persist_state_for_test("test_persist_foreach.persist");
PersistEntryHandle handle = persist_state_alloc_entry(state, "test", sizeof(TestState));
TestState *test_state = persist_state_map_entry(state, handle);
test_state->value = 3;
persist_state_unmap_entry(state, handle);
persist_state_foreach_entry(state, _foreach_callback_assertions, "test_userdata");
cancel_and_destroy_persist_state(state);
}
int main(int argc, char** argv) {
struct arguments args;
set_default_args(&args);
if (parse_args(argc, argv, &args)) {
return 1;
}
PersistEntryHandle handle;
struct journald_state* journald_state = NULL;
msg_init(TRUE);
PersistState* state = persist_state_new(args.filename);
gsize state_size;
guint8 persist_version;
persist_state_start_dump(state);
switch (args.action) {
case LIST:
persist_state_foreach_entry(state, &handle_entry, NULL);
break;
case SHOW_JOURNALD_CURSOR:
handle = persist_state_lookup_entry(state, systemd_journal, &state_size, &persist_version);
if (handle == 0)
break;
journald_state = persist_state_map_entry(state, handle);
printf("journald cursor: %s\n", journald_state->cursor);
persist_state_unmap_entry(state, handle);
break;
case SAVE_JOURNALD_CURSOR:
handle = persist_state_alloc_entry(state, systemd_journal, sizeof(struct journald_state));
if (handle == 0)
break;
journald_state = persist_state_map_entry(state, handle);
journald_state->header.version = 0;
journald_state->header.big_endian = (G_BYTE_ORDER == G_BIG_ENDIAN);
strncpy(journald_state->cursor, args.action_arg.journald_cursor, MAX_CURSOR_LENGTH);
persist_state_unmap_entry(state, handle);
persist_state_commit(state);
break;
default:;
}
persist_state_free(state);
msg_deinit();
return 0;
}
static void
create_persist_file_with_hostid(const gchar *persist_file, guint32 hostid)
{
PersistState *state;
PersistEntryHandle handle;
HostIdState *host_id_state;
unlink(persist_file);
state = create_persist_state(persist_file);
handle = persist_state_alloc_entry(state, HOST_ID_PERSIST_KEY, sizeof(HostIdState));
host_id_state = persist_state_map_entry(state, handle);
host_id_state->host_id = hostid;
persist_state_unmap_entry(state, handle);
persist_state_commit(state);
persist_state_free(state);
}
static PersistEntryHandle
log_proto_buffered_server_alloc_state(LogProtoBufferedServer *self, PersistState *persist_state, const gchar *persist_name)
{
LogProtoBufferedServerState *state;
PersistEntryHandle handle;
handle = persist_state_alloc_entry(persist_state, persist_name, sizeof(LogProtoBufferedServerState));
if (handle)
{
state = persist_state_map_entry(persist_state, handle);
state->header.version = 0;
state->header.big_endian = (G_BYTE_ORDER == G_BIG_ENDIAN);
persist_state_unmap_entry(persist_state, handle);
}
return handle;
}
void
test_persist_state_remove_entry(void)
{
guint8 version;
gsize size;
PersistState *state = clean_and_create_persist_state_for_test("test_persist_state_remove_entry.persist");
PersistEntryHandle handle = persist_state_alloc_entry(state, "test", sizeof(TestState));
handle = persist_state_lookup_entry(state, "test", &size, &version);
assert_true(handle != 0, "lookup failed before removing entry");
persist_state_remove_entry(state, "test");
state = restart_persist_state(state);
handle = persist_state_lookup_entry(state, "test", &size, &version);
assert_true(handle == 0, "lookup succeeded after removing entry");
cancel_and_destroy_persist_state(state);
}
void
test_values(void)
{
PersistState *state;
gint i, j;
gchar *data;
state = clean_and_create_persist_state_for_test("test_values.persist");
for (i = 0; i < 1000; i++)
{
gchar buf[16];
PersistEntryHandle handle;
g_snprintf(buf, sizeof(buf), "testkey%d", i);
if (!(handle = persist_state_alloc_entry(state, buf, 128)))
{
fprintf(stderr, "Error allocating value in the persist file: %s\n", buf);
exit(1);
}
data = persist_state_map_entry(state, handle);
for (j = 0; j < 128; j++)
{
data[j] = (i % 26) + 'A';
}
persist_state_unmap_entry(state, handle);
}
for (i = 0; i < 1000; i++)
{
gchar buf[16];
PersistEntryHandle handle;
gsize size;
guint8 version;
g_snprintf(buf, sizeof(buf), "testkey%d", i);
if (!(handle = persist_state_lookup_entry(state, buf, &size, &version)))
{
fprintf(stderr, "Error retrieving value from the persist file: %s\n", buf);
exit(1);
}
data = persist_state_map_entry(state, handle);
for (j = 0; j < 128; j++)
{
if (data[j] != (i % 26) + 'A')
{
fprintf(stderr, "Invalid data in persistent entry\n");
exit(1);
}
}
persist_state_unmap_entry(state, handle);
}
state = restart_persist_state(state);
for (i = 0; i < 1000; i++)
{
gchar buf[16];
PersistEntryHandle handle;
gsize size;
guint8 version;
g_snprintf(buf, sizeof(buf), "testkey%d", i);
if (!(handle = persist_state_lookup_entry(state, buf, &size, &version)))
{
fprintf(stderr, "Error retrieving value from the persist file: %s\n", buf);
exit(1);
}
if (size != 128 || version != 4)
{
fprintf(stderr, "Error retrieving value from the persist file: %s, invalid size (%d) or version (%d)\n", buf, (gint) size, version);
exit(1);
}
data = persist_state_map_entry(state, handle);
for (j = 0; j < 128; j++)
{
if (data[j] != (i % 26) + 'A')
{
fprintf(stderr, "Invalid data in persistent entry\n");
exit(1);
}
}
persist_state_unmap_entry(state, handle);
}
cancel_and_destroy_persist_state(state);
}
