forked from osrg/namazu
/
dump_trace.go
150 lines (129 loc) · 3.57 KB
/
dump_trace.go
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// Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tools
import (
. "../equtils"
"encoding/gob"
"encoding/json"
"flag"
"fmt"
"os"
"time"
"github.com/mitchellh/cli"
)
type dumpTraceFlags struct {
TracePath string
}
var (
dumpTraceFlagset = flag.NewFlagSet("dump-trace", flag.ExitOnError)
_dumpTraceFlags = dumpTraceFlags{}
)
func init() {
dumpTraceFlagset.StringVar(&_dumpTraceFlags.TracePath, "trace-path", "", "path of trace data file")
}
func dumpJSONAction(i int, act *Action) {
if ( act.ActionType != "_JSON") {
panic(fmt.Errorf("bad action %s", act))
}
ev := act.Evt
actJSONMap := act.ToJSONMap()
evJSONMap := ev.ToJSONMap()
fmt.Printf("%d %s for @ %s: %s, %s\n",
i,
actJSONMap["class"],
ev.ArrivedTime.Local().Format(time.UnixDate), ev.EntityId, evJSONMap["class"])
if actJSONMap["class"] != "AcceptEventAction" {
// printing AcceptEventAction is too verbose
actPrettyStr, err := json.MarshalIndent(actJSONMap, "", "\t")
if err != nil {
panic(err)
}
fmt.Printf("%s\n", actPrettyStr)
}
evPrettyStr, err := json.MarshalIndent(evJSONMap, "", "\t")
if err != nil {
panic(err)
}
fmt.Printf("%s\n", evPrettyStr)
}
func dumpAction(i int, act *Action) {
if (act.ActionType == "_JSON") {
dumpJSONAction(i, act)
return
}
ev := act.Evt
fmt.Printf("%d %s(%s) for @ %s: %s, %s(%s)\n",
i,
act.ActionType, act.ActionParam,
ev.ArrivedTime.Local().Format(time.UnixDate), ev.EntityId, ev.EventType, ev.EventParam)
if ev.JavaSpecific != nil {
js := ev.JavaSpecific
fmt.Printf("\tThread: %s\n", js.ThreadName)
fmt.Printf("\tparams:\n")
for _, param := range js.Params {
fmt.Printf("\t\t%s: %s\n", param.Name, param.Value)
}
fmt.Printf("\tstack trace:\n")
for _, stackTraceElement := range js.StackTraceElements {
fmt.Printf("\t\t%s %s %s %d\n",
stackTraceElement.FileName,
stackTraceElement.ClassName,
stackTraceElement.MethodName,
stackTraceElement.LineNumber)
}
}
}
func doDumpTrace(trace *SingleTrace) {
for i, act := range trace.ActionSequence {
dumpAction(i, &act)
}
}
func dumpTrace(args []string) {
dumpTraceFlagset.Parse(args)
if _dumpTraceFlags.TracePath == "" {
fmt.Printf("specify path of trace data file\n")
os.Exit(1)
}
file, err := os.Open(_dumpTraceFlags.TracePath)
if err != nil {
fmt.Printf("failed to open trace data file(%s): %s\n", _dumpTraceFlags.TracePath, err)
os.Exit(1)
}
gob.Register(map[string]interface{}{})
gob.Register([]map[string]interface{}{})
dec := gob.NewDecoder(file)
var trace SingleTrace
derr := dec.Decode(&trace)
if derr != nil {
fmt.Printf("failed to decode trace file(%s): %s\n", _dumpTraceFlags.TracePath, err)
os.Exit(1)
}
doDumpTrace(&trace)
}
type dumpTraceCmd struct {
}
func (cmd dumpTraceCmd) Help() string {
return "dumpTrace help (todo)"
}
func (cmd dumpTraceCmd) Run(args []string) int {
dumpTrace(args)
return 0
}
func (cmd dumpTraceCmd) Synopsis() string {
return "dumpTrace subcommand"
}
func DumpTraceCommandFactory() (cli.Command, error) {
return dumpTraceCmd{}, nil
}