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unix.go
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unix.go
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/*
* Copyright (c) 2022 Manabu Sonoda
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package unix
import (
"io"
"net"
"time"
"github.com/goccy/go-json"
"github.com/mimuret/dtap/v2/pkg/plugin"
"github.com/mimuret/dtap/v2/pkg/plugin/output"
"github.com/mimuret/dtap/v2/pkg/plugin/registry"
"github.com/mimuret/dtap/v2/pkg/types"
"github.com/pkg/errors"
)
func init() {
_ = registry.RegisterOutputPlugin("unix", Setup)
}
func Setup(bs json.RawMessage) (types.OutputPlugin, error) {
s := &Unix{}
if err := json.Unmarshal(bs, s); err != nil {
return nil, errors.Wrap(err, "failed to decode config")
}
if s.Path == "" {
return nil, errors.New("missing parameter Path")
}
s.DnstapOutput = output.NewDnstapOutput(output.NewDnstapFstrmSocketOutput(s, time.Second, nil), s.MaxRetry)
return s, nil
}
var _ types.OutputPlugin = &Unix{}
var _ output.SocketOutput = &Unix{}
// The unix plugin outputs messages to unix socket.
type Unix struct {
plugin.PluginCommon
*output.DnstapOutput
// unix socket path
Path string
oc *types.OutputContext
w net.Conn
}
func (f *Unix) SetOutputContext(oc *types.OutputContext) {
f.oc = oc
}
func (f *Unix) NewConnect() (io.Writer, error) {
var err error
f.w, err = net.Dial("unix", f.Path)
if err != nil {
return nil, errors.Wrapf(err, "failed to connect unix socket, path: %s", f.Path)
}
return f.w, nil
}
func (f *Unix) Close() {
f.w.Close()
}