forked from INFURA/go-ethlibs
/
ipc.go
47 lines (38 loc) · 867 Bytes
/
ipc.go
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package node
import (
"bufio"
"context"
"net"
"net/url"
"github.com/pkg/errors"
)
func newIPCTransport(ctx context.Context, parsedURL *url.URL) (*ipcTransport, error) {
var d net.Dialer
conn, err := d.DialContext(ctx, "unix", parsedURL.String())
if err != nil {
return nil, errors.Wrap(err, "could not connect over IPC")
}
scanner := bufio.NewScanner(conn)
readMessage := func() (payload []byte, err error) {
if !scanner.Scan() {
return nil, ctx.Err()
}
if err := scanner.Err(); err != nil {
return nil, err
}
payload = []byte(scanner.Text())
err = nil
return
}
writeMessage := func(payload []byte) error {
_, err := conn.Write(payload)
return err
}
t := ipcTransport{
loopingTransport: newLoopingTransport(ctx, conn, readMessage, writeMessage),
}
return &t, nil
}
type ipcTransport struct {
*loopingTransport
}