feat: Add signal related params to exec

internal/exec/params_linux.go

@@ -0,0 +1,88 @@
+package exec
+
+import (
+	"fmt"
+	"net/url"
+	"os"
+	"strconv"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/streams"
+)
+
+func parseParams(s string) (*Params, error) {
+	args := &Params{
+		KillSignal:  syscall.SIGKILL,
+		KillTimeout: 5 * time.Second,
+		Command:     s,
+	}
+
+	var query url.Values
+	if i := strings.IndexByte(s, '#'); i > 0 {
+		query = streams.ParseQuery(s[i+1:])
+		args.Command = s[:i]
+	}
+
+	if val, ok := query["killsignal"]; ok {
+		if sig, err := parseSignal(val[0]); err == nil {
+			args.KillSignal = sig
+		} else {
+			return nil, fmt.Errorf("could not parse killsignal param (%s)", val[0])
+		}
+	}
+
+	if val, ok := query["killtimeout"]; ok {
+		if i, err := strconv.Atoi(val[0]); err == nil {
+			args.KillTimeout = time.Duration(i) * time.Second
+		} else {
+			return nil, fmt.Errorf("could not convert killtimeout param (%s) to int", val[0])
+		}
+	}
+
+	return args, nil
+}
+
+func parseSignal(signalString string) (os.Signal, error) {
+	signalMap := map[string]os.Signal{
+		"sighup":    syscall.SIGHUP,
+		"sigint":    syscall.SIGINT,
+		"sigquit":   syscall.SIGQUIT,
+		"sigill":    syscall.SIGILL,
+		"sigtrap":   syscall.SIGTRAP,
+		"sigabrt":   syscall.SIGABRT,
+		"sigbus":    syscall.SIGBUS,
+		"sigfpe":    syscall.SIGFPE,
+		"sigkill":   syscall.SIGKILL,
+		"sigusr1":   syscall.SIGUSR1,
+		"sigsegv":   syscall.SIGSEGV,
+		"sigusr2":   syscall.SIGUSR2,
+		"sigpipe":   syscall.SIGPIPE,
+		"sigalrm":   syscall.SIGALRM,
+		"sigterm":   syscall.SIGTERM,
+		"sigchld":   syscall.SIGCHLD,
+		"sigcont":   syscall.SIGCONT,
+		"sigstop":   syscall.SIGSTOP,
+		"sigtstp":   syscall.SIGTSTP,
+		"sigttin":   syscall.SIGTTIN,
+		"sigttou":   syscall.SIGTTOU,
+		"sigurg":    syscall.SIGURG,
+		"sigxcpu":   syscall.SIGXCPU,
+		"sigxfsz":   syscall.SIGXFSZ,
+		"sigvtalrm": syscall.SIGVTALRM,
+		"sigprof":   syscall.SIGPROF,
+		"sigwinch":  syscall.SIGWINCH,
+		"sigio":     syscall.SIGIO,
+		"sigpoll":   syscall.SIGPOLL,
+		"sigpwr":    syscall.SIGPWR,
+		"sigsys":    syscall.SIGSYS,
+	}
+
+	signalValue, ok := signalMap[strings.ToLower(signalString)]
+	if !ok {
+		return nil, fmt.Errorf("invalid signal: %s", signalString)
+	}
+
+	return signalValue, nil
+}