github.com/amazechain/amc@v0.1.3/modules/rpc/jsonrpc/ipc_unix.go (about)

     1  // Copyright 2022 The AmazeChain Authors
     2  // This file is part of the AmazeChain library.
     3  //
     4  // The AmazeChain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The AmazeChain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the AmazeChain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  //go:build darwin || dragonfly || freebsd || linux || nacl || netbsd || openbsd || solaris
    18  // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
    19  
    20  package jsonrpc
    21  
    22  import (
    23  	"context"
    24  	"fmt"
    25  	"github.com/amazechain/amc/log"
    26  	"net"
    27  	"os"
    28  	"path/filepath"
    29  )
    30  
    31  func ipcListen(endpoint string) (net.Listener, error) {
    32  	if len(endpoint) > int(max_path_size) {
    33  		log.Warn(fmt.Sprintf("The ipc endpoint is longer than %d characters. ", max_path_size),
    34  			"endpoint", endpoint)
    35  	}
    36  
    37  	if err := os.MkdirAll(filepath.Dir(endpoint), 0751); err != nil {
    38  		return nil, err
    39  	}
    40  	os.Remove(endpoint)
    41  	l, err := net.Listen("unix", endpoint)
    42  	if err != nil {
    43  		return nil, err
    44  	}
    45  	os.Chmod(endpoint, 0600)
    46  	return l, nil
    47  }
    48  
    49  func newIPCConnection(ctx context.Context, endpoint string) (net.Conn, error) {
    50  	return new(net.Dialer).DialContext(ctx, "unix", endpoint)
    51  }