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config.go
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config.go
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/*
* Copyright (c) 2024 Yunshan Networks
*
* 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 config
import (
"io/ioutil"
"os"
"github.com/deepflowio/deepflow/server/ingester/config"
logging "github.com/op/go-logging"
yaml "gopkg.in/yaml.v2"
)
var log = logging.MustGetLogger("pcap.config")
const (
DefaultPcapTTL = 72
DefaultPcapQueueCount = 2
DefaultPcapQueueSize = 10000
)
type Config struct {
Base *config.Config
PcapQueueCount int `yaml:"pcap-queue-count"`
PcapQueueSize int `yaml:"pcap-queue-size"`
CKWriterConfig config.CKWriterConfig `yaml:"pcap-ck-writer"`
TTL int `yaml:"pcap-ttl"`
}
type PcapConfig struct {
Pcap Config `yaml:"ingester"`
}
func (c *Config) Validate() error {
if c.PcapQueueCount <= 0 {
c.PcapQueueCount = DefaultPcapQueueCount
}
if c.PcapQueueSize <= 0 {
c.PcapQueueSize = DefaultPcapQueueSize
}
if c.TTL <= 0 {
c.TTL = DefaultPcapTTL
}
return nil
}
func Load(base *config.Config, path string) *Config {
config := &PcapConfig{
Pcap: Config{
Base: base,
PcapQueueCount: DefaultPcapQueueCount,
PcapQueueSize: DefaultPcapQueueSize,
CKWriterConfig: config.CKWriterConfig{QueueCount: 1, QueueSize: 50000, BatchSize: 2048, FlushTimeout: 5},
TTL: DefaultPcapTTL,
},
}
if _, err := os.Stat(path); os.IsNotExist(err) {
log.Info("no config file, use defaults")
return &config.Pcap
}
configBytes, err := ioutil.ReadFile(path)
if err != nil {
log.Warning("Read config file error:", err)
config.Pcap.Validate()
return &config.Pcap
}
if err = yaml.Unmarshal(configBytes, &config); err != nil {
log.Error("Unmarshal yaml error:", err)
os.Exit(1)
}
if err = config.Pcap.Validate(); err != nil {
log.Error(err)
os.Exit(1)
}
return &config.Pcap
}