static void klog_rotate_parts(void)
{
int result = klog_init_file(LOG_PATH, strlen(LOG_PATH), 32, 3);
int size;
TEST_ASSERT_EQUAL_INT(result, 0);
// This should be a line length of 21
KLOG_WARN("a", "b");
KLOG_WARN("a", "b");
klog_cleanup();
TEST_ASSERT(_fstat(LOG_PATH ".000", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
KLOG_WARN("a", "b");
klog_cleanup();
TEST_ASSERT(_fstat(LOG_PATH ".000", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
TEST_ASSERT(_fstat(LOG_PATH ".001", &size));
TEST_ASSERT_EQUAL_INT(size, 21);
KLOG_WARN("a", "b");
klog_cleanup();
TEST_ASSERT(_fstat(LOG_PATH ".000", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
TEST_ASSERT(_fstat(LOG_PATH ".001", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
// force rotation
KLOG_WARN("a", "b");
KLOG_WARN("a", "b");
klog_cleanup();
TEST_ASSERT(_fstat(LOG_PATH ".000", &size));
TEST_ASSERT_EQUAL_INT(size, 0);
TEST_ASSERT(_fstat(LOG_PATH ".001", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
TEST_ASSERT(_fstat(LOG_PATH ".002", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
KLOG_WARN("aa", "bb");
klog_cleanup();
TEST_ASSERT(_fstat(LOG_PATH ".000", &size));
TEST_ASSERT_EQUAL_INT(size, 23);
TEST_ASSERT(_fstat(LOG_PATH ".001", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
TEST_ASSERT(_fstat(LOG_PATH ".002", &size));
TEST_ASSERT_EQUAL_INT(size, 42);
}
static void klog_file_log(void)
{
klog_file_level = LOG_INFO;
int result = klog_init_file(LOG_PATH, strlen(LOG_PATH), 256, 1);
TEST_ASSERT_EQUAL_INT(result, 0);
KLOG_INFO("test", "123:%d", 456);
KLOG_WARN("logger", "hi");
KLOG_ERR("o", "error");
KLOG_DEBUG("b", "debug");
klog_cleanup();
FILE *log_file = fopen(LOG_PATH ".000", "r");
TEST_ASSERT_NOT_NULL(log_file);
char buffer[256];
char lines[4][64];
int i = 0;
fread(buffer, 1, 256, log_file);
for (char *token = strtok(buffer, "\n");
token;
token = strtok(NULL, "\n"), i++) {
strcpy(lines[i], token);
}
ASSERT_STRING_STARTS_WITH(&lines[0][14], " test:I 123:456");
ASSERT_STRING_STARTS_WITH(&lines[1][14], " logger:W hi");
ASSERT_STRING_STARTS_WITH(&lines[2][14], " o:E error");
TEST_ASSERT_EQUAL_INT(i, 4);
}
static void tearDown(void)
{
klog_console_level = LOG_INFO;
klog_file_level = LOG_DEBUG;
klog_cleanup();
remove_if_exists(LOG_PATH ".000");
remove_if_exists(LOG_PATH ".001");
remove_if_exists(LOG_PATH ".002");
remove_if_exists(LOG_PATH ".003");
remove_if_exists(LOG_PATH ".004");
}
static void _next_log_file(void)
{
char buf[KLOG_PATH_LEN];
char *tail;
uint32_t pos = 0;
struct stat st;
klog_cleanup();
if (!_file_path) {
return;
}
_current_part = -1;
_current_part_size = 0;
strncpy(buf, _file_path, _file_path_len);
tail = buf + _file_path_len;
for (uint8_t i = 0; i < _max_parts; i++) {
sprintf(tail, ".%03d", i);
if (stat(buf, &st) == -1) {
if (errno == ENOENT) {
klog_console(LOG_DEBUG, "klog", "creating %s", buf);
_log_file = fopen(buf, "w+");
_current_part = i;
_current_part_size = 0;
break;
}
continue;
}
if (st.st_size < (off_t) _part_size) {
_log_file = fopen(buf, "r+");
_current_part = i;
pos = st.st_size - 1;
_current_part_size = st.st_size;
break;
}
}
if (!_log_file) {
// no empty or partial log file found, rotate
_current_part++;
if (_current_part > _max_parts) {
_current_part = 0;
}
sprintf(tail, ".%03d", _current_part);
remove(buf);
klog_console(LOG_DEBUG, "klog", "rotating to %s", buf);
_log_file = fopen(buf, "w+");
}
if (_log_file) {
klog_console(LOG_INFO, "klog", "logging to %s", buf);
klog_file_logging = true;
if (pos > 0) {
fseek(_log_file, 0, SEEK_END);
}
}
}
