cmd/torrent: Enhance debugging

diff --git a/cmd/torrent/main.go b/cmd/torrent/main.go
index bf21b22b5110c328bdec31cd0d88f5276133abb1..bb614264a0bd26986e123079d55bbaee075da61a 100644 (file)
--- a/cmd/torrent/main.go
+++ b/cmd/torrent/main.go
@@ -2,6 +2,7 @@
 package main
 
 import (
+       "expvar"
        "fmt"
        "log"
        "net"
@@ -11,7 +12,7 @@ import (
        "time"
 
        "github.com/anacrolix/dht"
-       _ "github.com/anacrolix/envpprof"
+       "github.com/anacrolix/envpprof"
        "github.com/anacrolix/tagflag"
        "github.com/dustin/go-humanize"
        "github.com/gosuri/uiprogress"
@@ -139,6 +140,7 @@ var flags = struct {
        Addr         *net.TCPAddr   `help:"network listen addr"`
        UploadRate   tagflag.Bytes  `help:"max piece bytes to send per second"`
        DownloadRate tagflag.Bytes  `help:"max bytes per second down from peers"`
+       Debug        bool
        tagflag.StartPos
        Torrent []string `arity:"+" help:"torrent file path or magnet uri"`
 }{
@@ -191,4 +193,8 @@ func main() {
        if flags.Seed {
                select {}
        }
+       expvar.Do(func(kv expvar.KeyValue) {
+               fmt.Printf("%s: %s\n", kv.Key, kv.Value)
+       })
+       envpprof.Stop()
 }