func mainAction(context *cli.Context) {
db, err := loadDatabase(context)
if err != nil {
logger.Fatal(err)
}
defer db.Close()
ln.SetMultiline(true)
ln.SetCompletionHandler(completion)
for {
query, err := ln.Line("> ")
if err != nil {
if err != ln.KillSignalError {
logger.Error(err)
}
return
}
if query == "" {
continue
}
if err := ln.AddHistory(query); err != nil {
logger.Error(err)
}
rows, err := db.Query(query)
if err != nil {
logger.Warn(err)
continue
}
if err := DisplayResults(rows); err != nil {
db.Close()
logger.Fatal(err)
}
}
}
func main() {
statistics = make(map[string][]events.LogEventInterface)
loadConfig()
linenoise.SetCompletionHandler(func(in string) []string {
availableCommands := []string{"clear", "help", "reload", "show", "quit", "summary"}
matchedCommands := []string{}
for _, command := range availableCommands {
if len(in) <= len(command) && strings.Index(command, in) == 0 {
matchedCommands = append(matchedCommands, command)
} else if len(in) > len("show") && in[0:len("show")] == "show" {
for summary, _ := range statistics {
if len(in[len("show "):]) <= len(summary) && strings.Index(summary, in[len("show "):]) == 0 {
matchedCommands = append(matchedCommands, "show "+summary)
}
}
}
}
return matchedCommands
})
go func() {
for {
lastPrompt = time.Now()
line, err := linenoise.Line("> ")
if err != nil {
if err == linenoise.KillSignalError {
quit()
} else {
log.Fatalf("Could not read line: %s\n", err)
}
}
err = linenoise.AddHistory(line)
if err != nil {
log.Printf("Failed to add %s to history (%s)\n", line, err)
}
args := strings.Split(line, " ")
if len(args) == 0 {
continue
}
switch args[0] {
case "":
summary([]string{"last-prompt"})
break
case "clear":
linenoise.Clear()
break
case "help":
help()
case "quit":
quit()
break
case "reload":
loadConfig()
break
case "show":
show(args[1:])
break
case "summary":
summary(args[1:])
break
default:
index, err := strconv.ParseInt(line, 10, 32)
if err == nil {
event := history[index]
event.PrintFull()
} else {
fmt.Printf("Unrecognised command: %s\n\n", line)
}
}
}
}()
readLog()
}