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package config
import (
"encoding/json"
"io/ioutil"
"os"
)
// ControlUser is used for various DTail specific operations.
const ControlUser string = "DTAIL-CONTROL"
// ScheduleUser is used for non-interactive scheduled mapreduce queries.
const ScheduleUser string = "DTAIL-SCHEDULE"
// ContinuousUser is used for non-interactive continuous mapreduce queries.
const ContinuousUser string = "DTAIL-CONTINUOUS"
// InterruptTimeoutS is used to terminate DTail when Ctrl+C was pressed twice within a given interval.
const InterruptTimeoutS int = 3
// Client holds a DTail client configuration.
var Client *ClientConfig
// Server holds a DTail server configuration.
var Server *ServerConfig
// Common holds common configs of both both, client and server.
var Common *CommonConfig
// Used to initialize the configuration.
type configInitializer struct {
Common *CommonConfig
Server *ServerConfig
Client *ClientConfig
}
// Parse and read a given config file in JSON format.
func (c *configInitializer) parseConfig(configFile string) {
fd, err := os.Open(configFile)
if err != nil {
panic(err)
}
defer fd.Close()
cfgBytes, err := ioutil.ReadAll(fd)
if err != nil {
panic(err)
}
err = json.Unmarshal([]byte(cfgBytes), c)
if err != nil {
panic(err)
}
}
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