lotus/cmd/lotus-seal-worker/sealworker/rpc.go
2022-01-18 11:37:24 +01:00

121 lines
3.1 KiB
Go

package sealworker
import (
"context"
"net/http"
"sync/atomic"
"github.com/google/uuid"
"github.com/gorilla/mux"
"github.com/mitchellh/go-homedir"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-jsonrpc"
"github.com/filecoin-project/go-jsonrpc/auth"
"github.com/filecoin-project/lotus/api"
apitypes "github.com/filecoin-project/lotus/api/types"
"github.com/filecoin-project/lotus/build"
sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
"github.com/filecoin-project/lotus/extern/sector-storage/stores"
"github.com/filecoin-project/lotus/extern/sector-storage/storiface"
"github.com/filecoin-project/lotus/lib/rpcenc"
"github.com/filecoin-project/lotus/metrics/proxy"
)
func WorkerHandler(authv func(ctx context.Context, token string) ([]auth.Permission, error), remote http.HandlerFunc, a api.Worker, permissioned bool) http.Handler {
mux := mux.NewRouter()
readerHandler, readerServerOpt := rpcenc.ReaderParamDecoder()
rpcServer := jsonrpc.NewServer(readerServerOpt)
wapi := proxy.MetricedWorkerAPI(a)
if permissioned {
wapi = api.PermissionedWorkerAPI(wapi)
}
rpcServer.Register("Filecoin", wapi)
mux.Handle("/rpc/v0", rpcServer)
mux.Handle("/rpc/streams/v0/push/{uuid}", readerHandler)
mux.PathPrefix("/remote").HandlerFunc(remote)
mux.PathPrefix("/").Handler(http.DefaultServeMux) // pprof
if !permissioned {
return mux
}
ah := &auth.Handler{
Verify: authv,
Next: mux.ServeHTTP,
}
return ah
}
type Worker struct {
*sectorstorage.LocalWorker
LocalStore *stores.Local
Storage stores.LocalStorage
disabled int64
}
func (w *Worker) Version(context.Context) (api.Version, error) {
return api.WorkerAPIVersion0, nil
}
func (w *Worker) StorageAddLocal(ctx context.Context, path string) error {
path, err := homedir.Expand(path)
if err != nil {
return xerrors.Errorf("expanding local path: %w", err)
}
if err := w.LocalStore.OpenPath(ctx, path); err != nil {
return xerrors.Errorf("opening local path: %w", err)
}
if err := w.Storage.SetStorage(func(sc *stores.StorageConfig) {
sc.StoragePaths = append(sc.StoragePaths, stores.LocalPath{Path: path})
}); err != nil {
return xerrors.Errorf("get storage config: %w", err)
}
return nil
}
func (w *Worker) SetEnabled(ctx context.Context, enabled bool) error {
disabled := int64(1)
if enabled {
disabled = 0
}
atomic.StoreInt64(&w.disabled, disabled)
return nil
}
func (w *Worker) Enabled(ctx context.Context) (bool, error) {
return atomic.LoadInt64(&w.disabled) == 0, nil
}
func (w *Worker) WaitQuiet(ctx context.Context) error {
w.LocalWorker.WaitQuiet() // uses WaitGroup under the hood so no ctx :/
return nil
}
func (w *Worker) ProcessSession(ctx context.Context) (uuid.UUID, error) {
return w.LocalWorker.Session(ctx)
}
func (w *Worker) Session(ctx context.Context) (uuid.UUID, error) {
if atomic.LoadInt64(&w.disabled) == 1 {
return uuid.UUID{}, xerrors.Errorf("worker disabled")
}
return w.LocalWorker.Session(ctx)
}
func (w *Worker) Discover(ctx context.Context) (apitypes.OpenRPCDocument, error) {
return build.OpenRPCDiscoverJSON_Worker(), nil
}
var _ storiface.WorkerCalls = &Worker{}