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141 lines
2.8 KiB
Go

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package main
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// go:generate ./mkprotos
//go:generate go run ./gen/main.go ./dota
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import (
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"compress/bzip2"
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"flag"
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"fmt"
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"io"
"os"
// "reflect"
"runtime/pprof"
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"strings"
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)
const (
replayHeader = "PBDEMS2\000"
)
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func ensureNewline(t string) string {
if strings.HasSuffix(t, "\n") {
return t
}
return t + "\n"
}
func bail(status int, t string, args ...interface{}) {
var out io.Writer
if status == 0 {
out = os.Stdout
} else {
out = os.Stderr
}
fmt.Fprintf(out, ensureNewline(t), args...)
os.Exit(status)
}
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func wrap(err error, t string, args ...interface{}) error {
if err == io.EOF {
return io.EOF
}
return fmt.Errorf(t+": %v", append(args, err)...)
}
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type options struct {
b bool // bzip compression flag
v bool // verbose flag
f string // input file
memprofile string
cpuprofile string
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}
func (o options) input() (io.Reader, error) {
var r io.Reader
if o.f == "--" {
r = os.Stdin
} else {
fi, err := os.Open(o.f)
if err != nil {
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return nil, wrap(err, "unable to open file %s", o.f)
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}
r = fi
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}
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if o.b {
r = bzip2.NewReader(r)
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}
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return r, nil
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}
func memprofile(dest string) {
fmt.Println("writing mem profile to", dest)
w, err := os.Create(dest)
if err != nil {
fmt.Fprintf(os.Stderr, "unable to open memprofile output %s: %v\n", dest, err)
} else {
defer w.Close()
err := pprof.WriteHeapProfile(w)
if err != nil {
fmt.Fprintf(os.Stderr, "unable to write heap profile: %v\n", err)
}
}
}
func cpuprofile(dest string) func() {
fmt.Println("writing cpu profile to", dest)
w, err := os.Create(dest)
if err != nil {
fmt.Fprintf(os.Stderr, "unable to open cpuprofile output %s: %v\n", dest, err)
return func() {}
} else {
pprof.StartCPUProfile(w)
return func() {
pprof.StopCPUProfile()
w.Close()
}
}
}
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func main() {
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var opts options
flag.BoolVar(&opts.b, "b", false, "input is expected to be bzip-compressed")
flag.BoolVar(&opts.v, "v", false, "verbose mode")
flag.StringVar(&opts.f, "f", "--", "input file to be used. -- means stdin")
flag.StringVar(&opts.memprofile, "memprofile", "", "memory profile destination")
flag.StringVar(&opts.cpuprofile, "cpuprofile", "", "cpu profile destination")
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flag.Parse()
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if opts.memprofile != "" {
defer memprofile(opts.memprofile)
}
if opts.cpuprofile != "" {
defer cpuprofile(opts.cpuprofile)()
}
r, err := opts.input()
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if err != nil {
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bail(1, "input error: %v", err)
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}
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c := make(chan maybe, 32)
p := newParser(r)
delete(p.ewl, EBaseGameEvents_GE_SosStartSoundEvent)
delete(p.ewl, EDotaUserMessages_DOTA_UM_SpectatorPlayerUnitOrders)
delete(p.ewl, EDotaUserMessages_DOTA_UM_SpectatorPlayerClick)
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go p.run(c)
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for m := range c {
if m.error != nil {
fmt.Fprintln(os.Stderr, m.error)
} else {
// fmt.Println(reflect.TypeOf(m.Message))
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}
}
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if p.err != nil {
fmt.Println(err)
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}
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}