You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
2.9 KiB
Go
137 lines
2.9 KiB
Go
package main
|
|
|
|
//go:generate ./mkprotos
|
|
//go:generate go run ./gen/main.go ./dota
|
|
|
|
import (
|
|
"compress/bzip2"
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"runtime/pprof"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
replayHeader = "PBDEMS2\000"
|
|
)
|
|
|
|
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)
|
|
}
|
|
|
|
func wrap(err error, t string, args ...interface{}) error {
|
|
if err == io.EOF {
|
|
return io.EOF
|
|
}
|
|
return fmt.Errorf(t+": %v", append(args, err)...)
|
|
}
|
|
|
|
type options struct {
|
|
b bool // bzip compression flag
|
|
v bool // verbose flag
|
|
f string // input file
|
|
memprofile string
|
|
cpuprofile string
|
|
messages bool // dump messages or no
|
|
packets bool // dump packets or no
|
|
}
|
|
|
|
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 {
|
|
return nil, wrap(err, "unable to open file %s", o.f)
|
|
}
|
|
r = fi
|
|
}
|
|
|
|
if o.b {
|
|
r = bzip2.NewReader(r)
|
|
}
|
|
return r, nil
|
|
}
|
|
|
|
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()
|
|
}
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
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.BoolVar(&opts.messages, "messages", false, "dump top-level messages to stdout")
|
|
flag.BoolVar(&opts.packets, "packets", false, "dump packets to stdout")
|
|
flag.StringVar(&opts.memprofile, "memprofile", "", "memory profile destination")
|
|
flag.StringVar(&opts.cpuprofile, "cpuprofile", "", "cpu profile destination")
|
|
flag.Parse()
|
|
|
|
if opts.memprofile != "" {
|
|
defer memprofile(opts.memprofile)
|
|
}
|
|
|
|
if opts.cpuprofile != "" {
|
|
defer cpuprofile(opts.cpuprofile)()
|
|
}
|
|
|
|
r, err := opts.input()
|
|
if err != nil {
|
|
bail(1, "input error: %v", err)
|
|
}
|
|
|
|
p := newParser(r)
|
|
p.dumpMessages = opts.messages
|
|
p.dumpPackets = opts.packets
|
|
if err := p.start(); err != nil {
|
|
bail(1, "parse error: %v", err)
|
|
}
|
|
if err := p.run(); err != nil && err != io.EOF {
|
|
bail(1, "run error: %v", err)
|
|
}
|
|
}
|