add panic catch functions

internal/core/utils/panic.go

@@ -0,0 +1,51 @@
+package utils
+
+import (
+	"log"
+	"runtime"
+	"strings"
+
+	"golang.org/x/net/context"
+)
+
+// temportary solution, pls dont judge
+func trimStackPaths(stack []byte, folderName string) []byte {
+	lines := strings.Split(string(stack), "\n")
+	for i, line := range lines {
+		idx := strings.Index(line, folderName)
+		if idx != -1 {
+			indentEnd := strings.LastIndex(line[:idx], "\t")
+			if indentEnd == -1 {
+				indentEnd = 0
+			} else {
+				indentEnd++
+			}
+			start := idx + len(folderName) + 1
+			if start > len(line) {
+				start = len(line)
+			}
+			lines[i] = line[:indentEnd] + line[start:]
+		}
+	}
+	return []byte(strings.Join(lines, "\n"))
+}
+
+func CatchPanic() {
+	if err := recover(); err != nil {
+		stack := make([]byte, 8096)
+		stack = stack[:runtime.Stack(stack, false)]
+		stack = trimStackPaths(stack, "GoSally-mvp")
+		log.Printf("recovered panic:\n%s", stack)
+	}
+}
+
+func CatchPanicWithContext(ctx context.Context) {
+	_, cancel := context.WithCancel(ctx)
+	if err := recover(); err != nil {
+		stack := make([]byte, 8096)
+		stack = stack[:runtime.Stack(stack, false)]
+		stack = trimStackPaths(stack, "GoSally-mvp")
+		log.Printf("recovered panic:\n%s", stack)
+		cancel()
+	}
+}