* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+use std::io::{Read, Write};
+use std::os::unix::io::FromRawFd;
+use common::buffer::{Buffer, BufferUserData};
use common::gps;
use common::storage::{Storage, Error};
-use common::logger::*;
+use common::logger::{MEMORY_SIZE, Logger, Error as LoggerError};
struct FakeStorage {
expected: Box<[u8]>,
}
}
+struct Pipe {
+ pipe_fd: [i32; 2],
+}
+
+impl Pipe {
+ fn new() -> Pipe {
+ let mut pipe_fd = [-1i32; 2];
+
+ unsafe {
+ extern {
+ fn pipe2(pipefd: *mut i32, flags: i32) -> i32;
+ }
+
+ const O_NONBLOCK : i32 = 0x800;
+
+ pipe2(pipe_fd.as_mut_ptr(), O_NONBLOCK);
+ }
+
+ Pipe {
+ pipe_fd: pipe_fd,
+ }
+ }
+
+ fn read_fd(&self) -> i32 {
+ self.pipe_fd[0]
+ }
+
+ fn write_fd(&self) -> i32 {
+ self.pipe_fd[1]
+ }
+}
+
// Runs a couple of recordings on fully erased flash memory.
#[test]
fn first_recording() {
assert_eq!(header0, fake_storage.actual[0..(0 + header0.len())]);
assert_eq!(header1, fake_storage.actual[4096..(4096 + header1.len())]);
}
+
+extern "C" fn flush_write_buffer(user_data: *mut BufferUserData,
+ buf: *const u8,
+ _bufsiz: usize,
+ count: usize) -> isize {
+ let _file = user_data as *mut std::fs::File;
+
+ unsafe {
+ let file = &mut * _file;
+
+ file.write_all(std::slice::from_raw_parts(buf, count)).unwrap();
+ }
+
+ count as isize
+}
+
+// Verifies that Logger::get_recording() detects unknown recording IDs.
+#[test]
+fn get_recording_invalid() {
+ let pipe = Pipe::new();
+
+ let mut file = unsafe { std::fs::File::from_raw_fd(pipe.write_fd()) };
+
+ let mut yenc_buffer_space = [0u8; 8192];
+ let mut yenc_buffer = Buffer::alloc();
+
+ let user_data = (&mut file as *mut std::fs::File) as *mut BufferUserData;
+
+ yenc_buffer.init(yenc_buffer_space.as_mut_ptr(),
+ yenc_buffer_space.len(),
+ flush_write_buffer,
+ user_data);
+
+ let mut fake_storage = FakeStorage::new();
+
+ let mut logger = Logger::new(&mut fake_storage);
+ logger.init();
+
+ // Zero is never a valid recording id.
+ let result = logger.get_recording(0, &mut yenc_buffer);
+ assert_eq!(LoggerError::NoSuchRecording, result.unwrap_err());
+
+ let result = logger.get_recording(1, &mut yenc_buffer);
+ assert_eq!(LoggerError::NoSuchRecording, result.unwrap_err());
+}
+
+// Verifies that Logger::get_recording() can retrieve finished recordings.
+#[test]
+fn get_recording_valid() {
+ let pipe = Pipe::new();
+
+ let mut file = unsafe { std::fs::File::from_raw_fd(pipe.write_fd()) };
+
+ let mut yenc_buffer_space = [0u8; 8192];
+ let mut yenc_buffer = Buffer::alloc();
+
+ let user_data = (&mut file as *mut std::fs::File) as *mut BufferUserData;
+
+ yenc_buffer.init(yenc_buffer_space.as_mut_ptr(),
+ yenc_buffer_space.len(),
+ flush_write_buffer,
+ user_data);
+
+ let mut fake_storage = FakeStorage::new();
+
+ let mut logger = Logger::new(&mut fake_storage);
+ logger.init();
+
+ let result = logger.get_recording(1, &mut yenc_buffer);
+ assert_eq!(LoggerError::NoSuchRecording, result.unwrap_err());
+
+ let tap0 = gps::TimeAndPos {
+ system_time: 0,
+ unix_time: 1478026311,
+ latitude: 0x73234e,
+ longitude: 0x73234f,
+ };
+
+ logger.start_recording(&tap0);
+
+ let tap1 = gps::TimeAndPos {
+ system_time: 0,
+ unix_time: 1478026311 + 1,
+ latitude: 0x73234e + 5,
+ longitude: 0x73234f + 5,
+ };
+
+ logger.log(&tap0, &tap1);
+
+ let tap2 = gps::TimeAndPos {
+ system_time: 0,
+ unix_time: 1478026311 + 2,
+ latitude: 0x73234e + 10,
+ longitude: 0x73234f + 10,
+ };
+
+ logger.log(&tap1, &tap2);
+
+ logger.stop_recording(&tap2);
+
+ assert!(logger.get_recording(1, &mut yenc_buffer).is_ok());
+}
+
+// Verifies that Logger::list_recordings() shows an empty listing
+// if there are no recordings.
+#[test]
+fn list_recordings0() {
+ let pipe = Pipe::new();
+
+ let mut file = unsafe { std::fs::File::from_raw_fd(pipe.write_fd()) };
+
+ let mut ls_buffer_space = [0u8; 4096];
+ let mut ls_buffer = Buffer::alloc();
+
+ let user_data = (&mut file as *mut std::fs::File) as *mut BufferUserData;
+
+ ls_buffer.init(ls_buffer_space.as_mut_ptr(),
+ ls_buffer_space.len(),
+ flush_write_buffer,
+ user_data);
+
+ let mut fake_storage = FakeStorage::new();
+
+ let mut logger = Logger::new(&mut fake_storage);
+ logger.init();
+
+ logger.list_recordings(&mut ls_buffer);
+
+ let mut file = unsafe { std::fs::File::from_raw_fd(pipe.read_fd()) };
+
+ let mut listing_raw = [0u8; 256];
+
+ // There are no recordings, so there's no data in the pipe either.
+ assert!(file.read(&mut listing_raw).is_err());
+}
+
+// Verifies that Logger::list_recordings() shows a listing
+// of a single recording in the very first sector.
+#[test]
+fn list_recordings1() {
+ let pipe = Pipe::new();
+
+ let mut file = unsafe { std::fs::File::from_raw_fd(pipe.write_fd()) };
+
+ let mut ls_buffer_space = [0u8; 4096];
+ let mut ls_buffer = Buffer::alloc();
+
+ let user_data = (&mut file as *mut std::fs::File) as *mut BufferUserData;
+
+ ls_buffer.init(ls_buffer_space.as_mut_ptr(),
+ ls_buffer_space.len(),
+ flush_write_buffer,
+ user_data);
+
+ let mut fake_storage = FakeStorage::new();
+
+ // Mark first sector as in use.
+ let recording0 = [
+ // Header:
+ 0x01, 0x00, 0x01, 0x00,
+ 0xa2, 0xdb, 0x14, 0x5e,
+ ];
+
+ fake_storage.expected[0..recording0.len()].copy_from_slice(&recording0);
+ fake_storage.actual[0..recording0.len()].copy_from_slice(&recording0);
+
+ let mut logger = Logger::new(&mut fake_storage);
+ logger.init();
+
+ logger.list_recordings(&mut ls_buffer);
+
+ let mut file = unsafe { std::fs::File::from_raw_fd(pipe.read_fd()) };
+
+ let mut listing_raw = [0u8; 256];
+ let num_bytes_read = file.read(&mut listing_raw).unwrap();
+
+ let expected_bytes = b"\
+2020-01-07 19:27:30 1\n";
+
+ assert_eq!(String::from_utf8(expected_bytes.to_vec()).unwrap(),
+ String::from_utf8(listing_raw[0..num_bytes_read].to_vec()).unwrap());
+}
projects / gps-watch.git / blobdiff