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// Copyright 2016 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"flag"
"fmt"
"io"
"log"
"os"
"os/exec"
"runtime"
"runtime/pprof"
"strings"
"time"
"github.com/hanwen/go-fuse/fuse/nodefs"
"github.com/hanwen/go-fuse/zipfs"
)
func main() {
// Scans the arg list and sets up flags
debug := flag.Bool("debug", false, "print debugging messages.")
profile := flag.String("profile", "", "record cpu profile.")
mem_profile := flag.String("mem-profile", "", "record memory profile.")
command := flag.String("run", "", "run this command after mounting.")
ttl := flag.Float64("ttl", 1.0, "attribute/entry cache TTL.")
flag.Parse()
if flag.NArg() < 2 {
fmt.Fprintf(os.Stderr, "usage: %s MOUNTPOINT ZIP-FILE\n", os.Args[0])
os.Exit(2)
}
var profFile, memProfFile io.Writer
var err error
if *profile != "" {
profFile, err = os.Create(*profile)
if err != nil {
log.Fatalf("os.Create: %v", err)
}
}
if *mem_profile != "" {
memProfFile, err = os.Create(*mem_profile)
if err != nil {
log.Fatalf("os.Create: %v", err)
}
}
root, err := zipfs.NewArchiveFileSystem(flag.Arg(1))
if err != nil {
fmt.Fprintf(os.Stderr, "NewArchiveFileSystem failed: %v\n", err)
os.Exit(1)
}
opts := &nodefs.Options{
AttrTimeout: time.Duration(*ttl * float64(time.Second)),
EntryTimeout: time.Duration(*ttl * float64(time.Second)),
Debug: *debug,
}
state, _, err := nodefs.MountRoot(flag.Arg(0), root, opts)
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
runtime.GC()
if profFile != nil {
pprof.StartCPUProfile(profFile)
defer pprof.StopCPUProfile()
}
if *command != "" {
args := strings.Split(*command, " ")
cmd := exec.Command(args[0], args[1:]...)
cmd.Stdout = os.Stdout
cmd.Start()
}
state.Serve()
if memProfFile != nil {
pprof.WriteHeapProfile(memProfFile)
}
}
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