added regex and duplicate line filtering

serverwrapper.go

@@ -8,6 +8,7 @@ import (
 	"log"
 	"os/exec"
 	"path"
+	"regexp"
 	"syscall"
 	"time"
 
@@ -21,7 +22,6 @@ var (
 	srv_cmd *exec.Cmd
 )
 
-
 // reload settings (and maybe other things too)
 func reload() {
 	settings, _ = toml.LoadFile("serverwrapper.toml")
@@ -38,9 +38,6 @@ func settings_list(option string) []string {
 
 //builds the cmd which is called to run the server
 func build_cmd() (string, []string) {
-	//for debugging
-	//return "ping", []string{"8.8.8.8"}
-
 	java_args := []string{"-jar"}
 
 	jvm_args := settings_list("server.jvm-args")
@@ -93,6 +90,11 @@ func server_run(g *gocui.Gui) {
 		log.Panicln("Failed to call server command \"" + srv_cmd.String() + "\"")
 	}
 
+	//preload the regexes from the config
+	regexes := settings_list("logging.stdout_excludes")
+
+	lastline := ""
+
 	//read pipes and write them to the ring buffer
 	buf := bufio.NewScanner(stdout)
 	for {
@@ -103,12 +105,31 @@ func server_run(g *gocui.Gui) {
 				if err != nil {
 					return err
 				}
-				fmt.Fprintln(v, buf.Text())
+
+				line := buf.Text()
+				match := lastline == line
+				lastline = line
+				for i := range regexes {
+					match_line, err := regexp.Match(regexes[i], []byte(line))
+					if err != nil {
+						v2, _ := g.View("status")
+						fmt.Fprintln(v2, err)
+					}
+					match = match || match_line
+					if match {
+						break
+					}
+				}
+
+				if !match {
+					fmt.Fprintln(v, buf.Text())
+				}
+
 				g.SetCurrentView("input")
 				return nil
 			})
 		} else {
-			time.Sleep(10 * time.Millisecond)
+			time.Sleep(100 * time.Millisecond)
 		}
 	}
 }
@@ -157,6 +178,7 @@ func inputHandler(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
 		case key == gocui.KeyEnter:
 			s := v.Buffer()
 			srv_stdin.Write([]byte(s))
+			srv_stdin.Write([]byte("\n"))
 			v.EditDeleteToStartOfLine()
 	}
 }
@@ -210,7 +232,7 @@ func killserver(g *gocui.Gui, v *gocui.View) error {
 		return err
 	}
 	v_status.Clear()
-	err = srv_cmd.Process.Signal(syscall.SIGTERM)
+	err = srv_cmd.Process.Signal(syscall.SIGINT)
 	if err != nil {
 		fmt.Fprintf(v_status, fmt.Sprint(err))
 	}
@@ -228,7 +250,12 @@ func procstatus(g *gocui.Gui, v *gocui.View) error {
 		return err
 	}
 	v_status.Clear()
-	fmt.Fprintf(v_status, fmt.Sprint(srv_cmd.ProcessState))
+	state := srv_cmd.ProcessState
+	if state == nil {
+		fmt.Fprintf(v_status, "Server Process is still running")
+	} else {
+		fmt.Fprintf(v_status, fmt.Sprint(state))
+	}
 	return nil
 }
 
@@ -249,8 +276,8 @@ func quit(g *gocui.Gui, v *gocui.View) error {
 				}
 			} else {
 				v_status.Clear()
-				fmt.Fprintf(v_status, "Server process still running, sending SIGTERM... ")
+				fmt.Fprintf(v_status, "Server process still running, sending SIGINT... ")
-				srv_cmd.Process.Signal(syscall.SIGTERM)
+				srv_cmd.Process.Signal(syscall.SIGINT)
 				err = srv_cmd.Wait()
 				if err != nil {
 					fmt.Fprintf(v_status, fmt.Sprint(err))

serverwrapper.toml

@@ -37,8 +37,9 @@ jolokia = "/home/minecraft/ServerWrapper/jolokia-jvm-1.6.2-agent.jar"
 mccron-path = "/srv/mcrcon-0.7.1-linux-x86-64/./mcrcon"
 mccron-args = ["-p YiibUn8UzKBIQ52ZJu4P"]
 
+# note that toml already escapes \, so you need double escape it for regex
 [logging]
 stdout_excludes = [
-    ".*[RCON Client.*",
+    ".*\\[RCON Client.*",
-    ".*[RCON Listener.*"
+    ".*\\[RCON Listener.*"
 ]