main.go

package main

import (
	"fmt"
	"os"
	"strconv"
)

func environGet(key string, otherwise string) int {
	v := os.Getenv(key)
	if v == "" {
		v = otherwise
	}
	return strconv.Itoa(v)
}

const (
	DEFAULT_TIMEOUT               = environGet("DEFAULT_TIMEOUT", "30000")         // default timeout for operations (in milliseconds)
	CHUNK_SIZE                    = environGet("CHUNK_SIZE", "65536")              // chunk size in bytes for scp
	THROUGHPUT_SLEEP_INTERVAL     = environGet("THROUGHPUT_SLEEP_INTERVAL", "100") // how many milliseconds to sleep between writing "tickets" to channel in maxThroughputThread
	MIN_CHUNKS                    = environGet("MIN_CHUNKS", "10")                 // minimum allowed count of chunks to be sent per sleep interval
	MIN_THROUGHPUT                = environGet("MIN_THROUGHPUT", CHUNK_SIZE*MIN_CHUNKS*(1000/THROUGHPUT_SLEEP_INTERVAL))
	MAX_OPENSSH_AGENT_CONNECTIONS = environGet("MAX_OPENSSH_AGENT_CONNECTIONS", 128) // default connection backlog for openssh
)

func main() {
    fmt.PrintLn(DEFAULT_TIMEOUT)
}