// New creates a new server instance backed by a local directory in diskPath.
// Keys not updated for forgetAfter duration are evicted from the in-memory replica of the shard's data.
// Keys not in memory are not reflected in read operations.
func New(diskPath string, forgetAfter time.Duration) (*Server, error) {
s := &Server{}
os.MkdirAll(diskPath, 0700)
// Mount disk
disk, err := diskfs.Mount(diskPath, false)
if err != nil {
return nil, err
}
// Make db block
if s.block, err = block.NewBlock(disk, forgetAfter); err != nil {
return nil, err
}
// Prepare incoming call rate-limiter
s.lmtr = limiter.New(10)
return s, nil
}
func TestFile(t *testing.T) {
disk, err := diskfs.Mount(".", false)
if err != nil {
t.Fatalf("mount (%s)", err)
}
file, err := Create(disk, "_test_log_file")
if err != nil {
t.Fatalf("open (%s)", err)
}
write(t, file)
if err := file.Close(); err != nil {
t.Errorf("close (%s)", err)
}
file, err = Open(disk, "_test_log_file")
if err != nil {
t.Fatalf("open2 (%s)", err)
}
read(t, file)
if err := file.Close(); err != nil {
t.Errorf("close2 (%s)", err)
}
}