From 119f7140d269aa5f9c01faa9d83d2e73e6f1efb0 Mon Sep 17 00:00:00 2001
From: Simon Garrelou <simon.garrelou@gmail.com>
Date: Wed, 20 Dec 2023 14:13:17 +0100
Subject: Add file-based error logging

---
 src/errors.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/errors.go

(limited to 'src/errors.go')

diff --git a/src/errors.go b/src/errors.go
new file mode 100644
index 0000000..7fea064
--- /dev/null
+++ b/src/errors.go
@@ -0,0 +1,28 @@
+package src
+
+import (
+	"fmt"
+	"os"
+	"time"
+)
+
+var globalErrors = make(chan error, 100)
+
+func init() {
+	go func() {
+		f, err := os.OpenFile("errors.log", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o664)
+		if err != nil {
+			panic(err)
+		}
+		defer f.Close()
+
+		for e := range globalErrors {
+			f.WriteString(fmt.Sprintf("%s: %v\n", time.Now(), e))
+			f.Sync()
+		}
+	}()
+}
+
+func LogErrorf(format string, args ...any) {
+	globalErrors <- fmt.Errorf(format, args...)
+}
-- 
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