status-go/vendor/github.com/ethereum/go-ethereum/rpc/endpoints.go

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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"net"
"strings"
"github.com/ethereum/go-ethereum/log"
)
// StartIPCEndpoint starts an IPC endpoint.
func StartIPCEndpoint(ipcEndpoint string, apis []API) (net.Listener, *Server, error) {
// Register all the APIs exposed by the services.
var (
handler = NewServer()
regMap = make(map[string]struct{})
registered []string
)
for _, api := range apis {
if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
log.Info("IPC registration failed", "namespace", api.Namespace, "error", err)
return nil, nil, err
}
if _, ok := regMap[api.Namespace]; !ok {
registered = append(registered, api.Namespace)
regMap[api.Namespace] = struct{}{}
}
}
log.Debug("IPCs registered", "namespaces", strings.Join(registered, ","))
// All APIs registered, start the IPC listener.
listener, err := ipcListen(ipcEndpoint)
if err != nil {
return nil, nil, err
}
go handler.ServeListener(listener)
return listener, handler, nil
}