/
forwarder.go
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/
forwarder.go
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//
// Fluentd Forwarder
//
// Copyright (C) 2014 Treasure Data, Inc.
//
// 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 fluentd_forwarder
import (
"fmt"
"io"
)
type FluentRecord struct {
Tag string
Timestamp uint64
Data map[string]interface{}
}
type TinyFluentRecord struct {
Timestamp uint64
Data map[string]interface{}
}
type FluentRecordSet struct {
Tag string
Records []TinyFluentRecord
}
type Port interface {
Emit(recordSets []FluentRecordSet) error
}
type Worker interface {
String() string
Start()
Stop()
WaitForShutdown()
}
type Disposable interface {
Dispose() error
}
type JournalChunk interface {
Disposable
Id() string
String() string
Size() (int64, error)
Reader() (io.ReadCloser, error)
NextChunk() JournalChunk
MD5Sum() ([]byte, error)
Dup() JournalChunk
}
type JournalChunkListener interface {
NewChunkCreated(JournalChunk) error
ChunkFlushed(JournalChunk) error
}
type Journal interface {
Disposable
Key() string
Write(data []byte) error
TailChunk() JournalChunk
AddNewChunkListener(JournalChunkListener)
AddFlushListener(JournalChunkListener)
Flush(func(JournalChunk) interface{}) error
}
type JournalGroup interface {
Disposable
GetJournal(key string) Journal
GetJournalKeys() []string
}
type JournalGroupFactory interface {
GetJournalGroup() JournalGroup
}
type Panicked struct {
Opaque interface{}
}
func (e *Panicked) Error() string {
s, ok := e.Opaque.(string)
if ok {
return s
}
return fmt.Sprintf("%v", e.Opaque)
}