yggdrasil-network/yggdrasil-go
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Add support for flexible logging levels

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This commit is contained in:
Neil Alexander 2019-01-27 13:31:43 +00:00
parent 5b31cbee2a
commit 0838928668
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GPG key ID: A02A2019A2BB0944
18 changed files with 105 additions and 88 deletions
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25
cmd/yggdrasil/main.go
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@ -6,7 +6,6 @@ import (
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"os/signal"
"strings"
@ -14,6 +13,7 @@ import (
"golang.org/x/text/encoding/unicode"
"github.com/gologme/log"
"github.com/hjson/hjson-go"
"github.com/kardianos/minwinsvc"
"github.com/mitchellh/mapstructure"
@ -169,6 +169,7 @@ func main() {
confjson := flag.Bool("json", false, "print configuration from -genconf or -normaliseconf as JSON instead of HJSON")
autoconf := flag.Bool("autoconf", false, "automatic mode (dynamic IP, peer with IPv6 neighbors)")
version := flag.Bool("version", false, "prints the version of this build")
logging := flag.String("logging", "info,warn,error", "comma-separated list of logging levels to enable")
flag.Parse()
var cfg *nodeConfig
@ -217,6 +218,20 @@ func main() {
}
// Create a new logger that logs output to stdout.
logger := log.New(os.Stdout, "", log.Flags())
//logger.EnableLevel("error")
//logger.EnableLevel("warn")
//logger.EnableLevel("info")
if levels := strings.Split(*logging, ","); len(levels) > 0 {
for _, level := range levels {
l := strings.TrimSpace(level)
switch l {
case "error", "warn", "info", "trace", "debug":
logger.EnableLevel(l)
default:
continue
}
}
}
// Setup the Yggdrasil node itself. The node{} type includes a Core, so we
// don't need to create this manually.
n := node{}
@ -224,7 +239,7 @@ func main() {
// Yggdrasil. This will start the router, switch, DHT node, TCP and UDP
// sockets, TUN/TAP adapter and multicast discovery port.
if err := n.core.Start(cfg, logger); err != nil {
logger.Println("An error occurred during startup")
logger.Errorln("An error occurred during startup")
panic(err)
}
// The Stop function ensures that the TUN/TAP adapter is correctly shut down
@ -236,8 +251,8 @@ func main() {
// This is just logged to stdout for the user.
address := n.core.GetAddress()
subnet := n.core.GetSubnet()
logger.Printf("Your IPv6 address is %s", address.String())
logger.Printf("Your IPv6 subnet is %s", subnet.String())
logger.Infof("Your IPv6 address is %s", address.String())
logger.Infof("Your IPv6 subnet is %s", subnet.String())
// Catch interrupts from the operating system to exit gracefully.
c := make(chan os.Signal, 1)
r := make(chan os.Signal, 1)
@ -257,7 +272,7 @@ func main() {
cfg = readConfig(useconf, useconffile, normaliseconf)
n.core.UpdateConfig(cfg)
} else {
logger.Println("Reloading config at runtime is only possible with -useconffile")
logger.Errorln("Reloading config at runtime is only possible with -useconffile")
}
case _ = <-c:
goto exit