From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 modules/log/event_writer.go | 54 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 modules/log/event_writer.go

(limited to 'modules/log/event_writer.go')

diff --git a/modules/log/event_writer.go b/modules/log/event_writer.go
new file mode 100644
index 0000000..4b77e48
--- /dev/null
+++ b/modules/log/event_writer.go
@@ -0,0 +1,54 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package log
+
+import (
+	"fmt"
+)
+
+// EventWriter is the general interface for all event writers
+// EventWriterBase is only used as its base interface
+// A writer implementation could override the default EventWriterBase functions
+// eg: a writer can override the Run to handle events in its own way with its own goroutine
+type EventWriter interface {
+	EventWriterBase
+}
+
+// WriterMode is the mode for creating a new EventWriter, it contains common options for all writers
+// Its WriterOption field is the specified options for a writer, it should be passed by value but not by pointer
+type WriterMode struct {
+	BufferLen int
+
+	Level    Level
+	Prefix   string
+	Colorize bool
+	Flags    Flags
+
+	Expression string
+
+	StacktraceLevel Level
+
+	WriterOption any
+}
+
+// EventWriterProvider is the function for creating a new EventWriter
+type EventWriterProvider func(writerName string, writerMode WriterMode) EventWriter
+
+var eventWriterProviders = map[string]EventWriterProvider{}
+
+func RegisterEventWriter(writerType string, p EventWriterProvider) {
+	eventWriterProviders[writerType] = p
+}
+
+func HasEventWriter(writerType string) bool {
+	_, ok := eventWriterProviders[writerType]
+	return ok
+}
+
+func NewEventWriter(name, writerType string, mode WriterMode) (EventWriter, error) {
+	if p, ok := eventWriterProviders[writerType]; ok {
+		return p(name, mode), nil
+	}
+	return nil, fmt.Errorf("unknown event writer type %q for writer %q", writerType, name)
+}
-- 
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