Revert "fdtrack: temporary hack for tracking file descriptor usage"

This reverts commit 5c949d3b3ba81ea0563575b19a7b148aeac4bf61.

1 files changed, 0 insertions, 112 deletions

diff --git a/fdtrack/fdtrack.go b/fdtrack/fdtrack.go
deleted file mode 100644
index 2f5ab57f4..000000000
--- a/fdtrack/fdtrack.go
+++ /dev/null
@@ -1,112 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// Package fdtrack logs statistics about open file descriptors.
-package fdtrack
-
-import (
-	"fmt"
-	"net"
-	"sort"
-	"sync"
-	"time"
-
-	"github.com/ethereum/go-ethereum/logger/glog"
-)
-
-var (
-	mutex sync.Mutex
-	all   = make(map[string]int)
-)
-
-func Open(desc string) {
-	mutex.Lock()
-	all[desc] += 1
-	mutex.Unlock()
-}
-
-func Close(desc string) {
-	mutex.Lock()
-	defer mutex.Unlock()
-	if c, ok := all[desc]; ok {
-		if c == 1 {
-			delete(all, desc)
-		} else {
-			all[desc]--
-		}
-	}
-}
-
-func WrapListener(desc string, l net.Listener) net.Listener {
-	Open(desc)
-	return &wrappedListener{l, desc}
-}
-
-type wrappedListener struct {
-	net.Listener
-	desc string
-}
-
-func (w *wrappedListener) Accept() (net.Conn, error) {
-	c, err := w.Listener.Accept()
-	if err == nil {
-		c = WrapConn(w.desc, c)
-	}
-	return c, err
-}
-
-func (w *wrappedListener) Close() error {
-	err := w.Listener.Close()
-	if err == nil {
-		Close(w.desc)
-	}
-	return err
-}
-
-func WrapConn(desc string, conn net.Conn) net.Conn {
-	Open(desc)
-	return &wrappedConn{conn, desc}
-}
-
-type wrappedConn struct {
-	net.Conn
-	desc string
-}
-
-func (w *wrappedConn) Close() error {
-	err := w.Conn.Close()
-	if err == nil {
-		Close(w.desc)
-	}
-	return err
-}
-
-func Start() {
-	go func() {
-		for range time.Tick(15 * time.Second) {
-			mutex.Lock()
-			var sum, tracked = 0, []string{}
-			for what, n := range all {
-				sum += n
-				tracked = append(tracked, fmt.Sprintf("%s:%d", what, n))
-			}
-			mutex.Unlock()
-			used, _ := fdusage()
-			sort.Strings(tracked)
-			glog.Infof("fd usage %d/%d, tracked %d %v", used, fdlimit(), sum, tracked)
-		}
-	}()
-}