// Copyright 2015 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 . // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris package rpc import ( "context" "fmt" "net" "os" "path/filepath" "github.com/ethereum/go-ethereum/log" ) // ipcListen will create a Unix socket on the given endpoint. func ipcListen(endpoint string) (net.Listener, error) { if len(endpoint) > int(max_path_size) { log.Warn(fmt.Sprintf("The ipc endpoint is longer than %d characters. ", max_path_size), "endpoint", endpoint) } // Ensure the IPC path exists and remove any previous leftover if err := os.MkdirAll(filepath.Dir(endpoint), 0751); err != nil { return nil, err } os.Remove(endpoint) l, err := net.Listen("unix", endpoint) if err != nil { return nil, err } os.Chmod(endpoint, 0600) return l, nil } // newIPCConnection will connect to a Unix socket on the given endpoint. func newIPCConnection(ctx context.Context, endpoint string) (net.Conn, error) { return new(net.Dialer).DialContext(ctx, "unix", endpoint) }