mailq-inspector/main.go

82 lines
1.8 KiB
Go

package main
import (
"flag"
"fmt"
"os"
"os/exec"
"strconv"
)
import (
"mailq-inspector/parser"
)
var settings = make(map[string]string)
func main() {
parseArguments()
if settings["interactive"] == "false" {
showQueue()
}
if settings["interactive"] == "true" {
interactiveShell()
}
}
func parseArguments() {
inputPtr := flag.String("input", "cmd", "Where to read mailq output from. Available options: \"stdin\", \"cmd\"")
mailqCommandPtr := flag.String("mailqCommand", "mailq", "Command to use for getting mailq output")
mailqCommandArgsPtr := flag.String("mailqCommandArgs", "", "Optional arguments to pass to mailqCommand")
interactivePtr := flag.Bool("interactive", false, "Set to true for shell mode")
flag.Parse()
settings["input"] = *inputPtr
settings["mailqCommand"] = *mailqCommandPtr
settings["mailqCommandArgs"] = *mailqCommandArgsPtr
settings["interactive"] = strconv.FormatBool(*interactivePtr)
}
func interactiveShell() {
}
func showQueue() {
var entries []parser.QEntry
var err error
if settings["input"] == "stdin" {
entries, err = readFromStdin()
} else if settings["input"] == "cmd" {
entries, err = readFromCmd(exec.Command(settings["mailqCommand"]))
} else {
fmt.Printf("Unsupported input!")
flag.PrintDefaults()
os.Exit(1)
}
if err != nil {
fmt.Printf("Error reading: %s\n", err.Error())
os.Exit(1)
}
for _, entry := range entries {
fmt.Printf("%s\n", entry.String())
}
}
func readFromStdin() ([]parser.QEntry, error) {
return parser.ParseMailQ(os.Stdin)
}
func readFromCmd(cmd *exec.Cmd) ([]parser.QEntry, error) {
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
if err := cmd.Start(); err != nil {
return nil, err
}
result, resultError := parser.ParseMailQ(stdout)
if err := cmd.Wait(); err != nil {
return nil, err
}
return result, resultError
}