78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
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// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
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package comms
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import (
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"io"
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"net"
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"os"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/rpc/api"
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"github.com/ethereum/go-ethereum/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/shared"
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)
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func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
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c, err := net.DialUnix("unix", nil, &net.UnixAddr{cfg.Endpoint, "unix"})
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if err != nil {
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return nil, err
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}
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return &ipcClient{codec.New(c)}, nil
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}
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func startIpc(cfg IpcConfig, codec codec.Codec, api api.EthereumApi) error {
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os.Remove(cfg.Endpoint) // in case it still exists from a previous run
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l, err := net.ListenUnix("unix", &net.UnixAddr{Name: cfg.Endpoint, Net: "unix"})
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if err != nil {
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return err
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}
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os.Chmod(cfg.Endpoint, 0600)
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go func() {
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for {
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conn, err := l.AcceptUnix()
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if err != nil {
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glog.V(logger.Error).Infof("Error accepting ipc connection - %v\n", err)
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continue
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}
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go func(conn net.Conn) {
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codec := codec.New(conn)
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for {
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req, err := codec.ReadRequest()
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if err == io.EOF {
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codec.Close()
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return
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} else if err != nil {
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glog.V(logger.Error).Infof("IPC recv err - %v\n", err)
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codec.Close()
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return
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}
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var rpcResponse interface{}
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res, err := api.Execute(req)
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rpcResponse = shared.NewRpcResponse(req.Id, req.Jsonrpc, res, err)
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err = codec.WriteResponse(rpcResponse)
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if err != nil {
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glog.V(logger.Error).Infof("IPC send err - %v\n", err)
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codec.Close()
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return
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}
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}
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}(conn)
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}
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os.Remove(cfg.Endpoint)
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}()
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glog.V(logger.Info).Infof("IPC service started (%s)\n", cfg.Endpoint)
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return nil
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}
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