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