fix crash report

Co-Authored-By: Alireza Ahmadi <alireza7@gmail.com>

xray/log_writer.go

@@ -16,11 +16,24 @@ type LogWriter struct {
 }
 
 func (lw *LogWriter) Write(m []byte) (n int, err error) {
-	regex := regexp.MustCompile(`^(\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2}) \[([^\]]+)\] (.+)$`)
+	crashRegex := regexp.MustCompile(`(?i)(panic|exception|stack trace|fatal error)`)
+
 	// Convert the data to a string
 	message := strings.TrimSpace(string(m))
+
+	// Check if the message contains a crash
+	if crashRegex.MatchString(message) {
+		logger.Debug("Core crash detected:\n", message)
+		lw.lastLine = message
+		err1 := writeCrachReport(m)
+		if err1 != nil {
+			logger.Error("Unable to write crash report:", err1)
+		}
+		return len(m), nil
+	}
+
+	regex := regexp.MustCompile(`^(\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2}) \[([^\]]+)\] (.+)$`)
 	messages := strings.Split(message, "\n")
-	lw.lastLine = messages[len(messages)-1]
 
 	for _, msg := range messages {
 		matches := regex.FindStringSubmatch(msg)
@@ -42,9 +55,10 @@ func (lw *LogWriter) Write(m []byte) (n int, err error) {
 			default:
 				logger.Debug("XRAY: " + msg)
 			}
+			lw.lastLine = ""
 		} else if msg != "" {
 			logger.Debug("XRAY: " + msg)
-			return len(m), nil
+			lw.lastLine = msg
 		}
 	}
 

xray/process.go

@@ -226,7 +226,6 @@ func (p *process) Start() (err error) {
 		if err != nil {
 			logger.Error("Failure in running xray-core:", err)
 			p.exitErr = err
-			p.witeCrachReport(err)
 		}
 	}()
 
@@ -243,7 +242,7 @@ func (p *process) Stop() error {
 	return p.cmd.Process.Signal(syscall.SIGTERM)
 }
 
-func (p *process) witeCrachReport(err error) error {
+func writeCrachReport(m []byte) error {
 	crashReportPath := config.GetBinFolderPath() + "/core_crash_" + time.Now().Format("20060102_150405") + ".log"
-	return os.WriteFile(crashReportPath, []byte(err.Error()), os.ModePerm)
+	return os.WriteFile(crashReportPath, m, os.ModePerm)
 }