68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"os/exec"
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)
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import (
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"mailq-inspector/parser"
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)
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var settings = make(map[string]string)
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func argParse() {
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inputModePtr := flag.String("inputMode", "stdin", "How to get mailq output. Available options: \"stdin\", 'cmd'")
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mailqCommandPtr := flag.String("mailqCommand", "mailq", "Command to use for getting mailq output")
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mailqCommandArgsPtr := flag.String("mailqCommandArgs", "", "Optional arguments to pass to mailqCommand")
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flag.Parse()
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settings["inputMode"] = *inputModePtr
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settings["mailqCommand"] = *mailqCommandPtr
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settings["mailqCommandArgs"] = *mailqCommandArgsPtr
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}
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func main() {
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argParse()
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var entries []parser.QEntry
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var err error
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if settings["inputMode"] == "stdin" {
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entries, err = readFromStdin()
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} else if settings["inputMode"] == "cmd" {
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entries, err = readFromCmd(exec.Command(settings["mailqCommand"]))
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} else {
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fmt.Printf("Unsupported inputMode!")
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flag.PrintDefaults()
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os.Exit(1)
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}
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if err != nil {
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fmt.Printf("Error reading: %s\n", err.Error())
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os.Exit(1)
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}
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for _, line := range entries {
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fmt.Printf("Read: %s", line)
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}
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}
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func readFromStdin() ([]parser.QEntry, error) {
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return parser.ParseMailQ(os.Stdin)
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}
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func readFromCmd(cmd *exec.Cmd) ([]parser.QEntry, error) {
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, err
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}
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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result, resultError := parser.ParseMailQ(stdout)
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if err := cmd.Wait(); err != nil {
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return nil, err
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}
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return result, resultError
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}
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