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package main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"strings"
)
type CrashDump struct {
Name string
DumpPath string
MetadataPath string
}
func expandHomeDir(path string) (string, error) {
home, err := os.UserHomeDir()
if err != nil {
return path, err
}
return strings.Replace(path, "~/", home, -1), nil
}
func dumps(path string) ([]CrashDump, error) {
files, err := ioutil.ReadDir(path)
if err != nil {
return nil, err
}
var crashes []CrashDump
for i, file := range files {
if strings.HasSuffix(file.Name(), ".dmp") {
if i+1 < len(files) && files[i+1].Name() == file.Name()+".txt" {
crashes = append(crashes, CrashDump{Name: strings.TrimSuffix(file.Name(), ".dmp"),
DumpPath: file.Name(), MetadataPath: files[i+1].Name()})
} else {
crashes = append(crashes, CrashDump{Name: strings.TrimSuffix(file.Name(), ".dmp"), DumpPath: file.Name()})
}
}
}
return crashes, nil
}
func main() {
helpFlag := flag.Bool("help", false, "Show help information.")
flag.StringVar(&dumpPath, "crashd", dumpPath, "Crash dump path")
// create crash report flags
crashedFlag := flag.String("c", "", "Create crash report at specified location and write any specified data into it")
flag.Parse()
dumpPath, _ = expandHomeDir(dumpPath)
if *helpFlag {
flag.PrintDefaults()
return
}
if *crashedFlag != "" {
fmt.Println("Creating crash dump report", *crashedFlag)
contents := []byte("Additional information: " + strings.Join(flag.Args(), ""))
ioutil.WriteFile(*crashedFlag+".txt", contents, 0644)
return
}
fmt.Printf(" [%s]\n", dumpPath)
c, err := dumps(dumpPath)
if err != nil {
panic(err)
}
for _, d := range c {
fmt.Printf("\t- %s\n", d.Name)
}
fmt.Println(" To analyze a crashdump, use the minidump_stackwalk tool:")
fmt.Println("minidump_stackwalk <minidump-file> [symbol-path]")
}
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