lotus/gateway/handler.go

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2021-05-23 17:37:53 +00:00
package gateway
import (
"net/http"
"contrib.go.opencensus.io/exporter/prometheus"
"github.com/filecoin-project/go-jsonrpc"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/api/v0api"
"github.com/filecoin-project/lotus/api/v1api"
"github.com/filecoin-project/lotus/metrics"
"github.com/gorilla/mux"
promclient "github.com/prometheus/client_golang/prometheus"
)
// Handler returns a gateway http.Handler, to be mounted as-is on the server.
func Handler(a api.Gateway, opts ...jsonrpc.ServerOption) (http.Handler, error) {
m := mux.NewRouter()
serveRpc := func(path string, hnd interface{}) {
rpcServer := jsonrpc.NewServer(opts...)
rpcServer.Register("Filecoin", hnd)
m.Handle(path, rpcServer)
}
ma := metrics.MetricedGatewayAPI(a)
serveRpc("/rpc/v1", ma)
serveRpc("/rpc/v0", api.Wrap(new(v1api.FullNodeStruct), new(v0api.WrapperV1Full), ma))
registry := promclient.DefaultRegisterer.(*promclient.Registry)
exporter, err := prometheus.NewExporter(prometheus.Options{
Registry: registry,
Namespace: "lotus_gw",
})
if err != nil {
return nil, err
}
m.Handle("/debug/metrics", exporter)
m.PathPrefix("/").Handler(http.DefaultServeMux)
/*ah := &auth.Handler{
Verify: nodeApi.AuthVerify,
Next: mux.ServeHTTP,
}*/
return m, nil
}