diff options
Diffstat (limited to 'pkg/state/single_sec.go')
-rw-r--r-- | pkg/state/single_sec.go | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/pkg/state/single_sec.go b/pkg/state/single_sec.go deleted file mode 100644 index 9c69fa8..0000000 --- a/pkg/state/single_sec.go +++ /dev/null @@ -1,108 +0,0 @@ -package state - -import ( - "context" - "crypto" - "crypto/ed25519" - "fmt" - "sync" - "time" - - "git.sigsum.org/log-go/pkg/client" - "git.sigsum.org/log-go/pkg/db" - "git.sigsum.org/sigsum-go/pkg/log" - //"git.sigsum.org/sigsum-go/pkg/requests" - "git.sigsum.org/sigsum-go/pkg/types" -) - -// StateManagerSingleSecondary implements a single-instance StateManager for secondary nodes -type StateManagerSingleSecondary struct { - client db.Client - signer crypto.Signer - namespace types.Hash - interval time.Duration - deadline time.Duration - primary *client.Client - - // Lock-protected access to pointers. A write lock is only obtained once - // per interval when doing pointer rotation. All endpoints are readers. - sync.RWMutex - signedTreeHead *types.SignedTreeHead -} - -func NewStateManagerSingleSecondary(dbcli db.Client, signer crypto.Signer, interval, deadline time.Duration, primurl string, primpk types.PublicKey) (*StateManagerSingleSecondary, error) { - sm := &StateManagerSingleSecondary{ - client: dbcli, - signer: signer, - namespace: *types.HashFn(signer.Public().(ed25519.PublicKey)), - interval: interval, - deadline: deadline, - primary: client.NewClient(primurl, primpk), - } - sth, err := sm.latestSTH(context.Background()) - sm.setSignedTreeHead(sth) - return sm, err -} - -func (sm *StateManagerSingleSecondary) Run(ctx context.Context) { - rotation := func() { - nextSTH, err := sm.latestSTH(ctx) - if err != nil { - log.Warning("cannot rotate without tree head: %v", err) - return - } - sm.rotate(nextSTH) - } - - ticker := time.NewTicker(sm.interval) - defer ticker.Stop() - - // TODO: fetch leaves from primary - - rotation() - for { - select { - case <-ticker.C: - rotation() - case <-ctx.Done(): - return - } - } -} - -func (sm *StateManagerSingleSecondary) AddCosignature(ctx context.Context, pub *types.PublicKey, sig *types.Signature) error { - return fmt.Errorf("internal error: AddCosignature() called in secondary node") -} -func (sm *StateManagerSingleSecondary) CosignedTreeHead(_ context.Context) (*types.CosignedTreeHead, error) { - return nil, fmt.Errorf("internal error: AddCosignature() called in secondary node") -} -func (sm *StateManagerSingleSecondary) ToCosignTreeHead(_ context.Context) (*types.SignedTreeHead, error) { - return nil, fmt.Errorf("internal error: AddCosignature() called in secondary node") -} - -func (sm *StateManagerSingleSecondary) setSignedTreeHead(nextSTH *types.SignedTreeHead) { - sm.signedTreeHead = nextSTH -} - -func (sm *StateManagerSingleSecondary) latestSTH(ctx context.Context) (*types.SignedTreeHead, error) { - ictx, cancel := context.WithTimeout(ctx, sm.deadline) - defer cancel() - - th, err := sm.client.GetTreeHead(ictx) - if err != nil { - return nil, fmt.Errorf("failed fetching tree head: %v", err) - } - sth, err := th.Sign(sm.signer, &sm.namespace) - if err != nil { - return nil, fmt.Errorf("failed signing tree head: %v", err) - } - return sth, nil -} - -func (sm *StateManagerSingleSecondary) rotate(nextSTH *types.SignedTreeHead) { - sm.Lock() - defer sm.Unlock() - - log.Debug("rotating tree heads") - sm.setSignedTreeHead(nextSTH) -} |