From ca8ca518a5648d06abf81c26b1b31465b7b09dc6 Mon Sep 17 00:00:00 2001
From: fangdingjun <fangdingjun@szchuzhong.com>
Date: Thu, 24 May 2018 16:31:03 +0800
Subject: [PATCH] handle create/open file error

---
 writers/always_new_file_writer.go |  4 +++-
 writers/daily_file_writer.go      |  8 ++++++--
 writers/fixed_size_file_writer.go | 12 +++++++++---
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/writers/always_new_file_writer.go b/writers/always_new_file_writer.go
index 8402538..64900f6 100644
--- a/writers/always_new_file_writer.go
+++ b/writers/always_new_file_writer.go
@@ -22,7 +22,9 @@ type AlwaysNewFileWriter struct {
 // Write implements io.Writer
 func (w *AlwaysNewFileWriter) Write(p []byte) (n int, err error) {
 	if w.file == nil {
-		w.openFile()
+		if err = w.openFile(); err != nil {
+			return
+		}
 	}
 
 	return w.file.Write(p)
diff --git a/writers/daily_file_writer.go b/writers/daily_file_writer.go
index 72d21ca..5dd52d0 100644
--- a/writers/daily_file_writer.go
+++ b/writers/daily_file_writer.go
@@ -25,10 +25,14 @@ func (w *DailyFileWriter) Write(p []byte) (n int, err error) {
 	now := time.Now()
 
 	if w.file == nil {
-		w.openFile(&now)
+		if err = w.openFile(&now); err != nil {
+			return
+		}
 	} else if now.Unix() >= w.nextDayTime {
 		w.file.Close()
-		w.openFile(&now)
+		if err = w.openFile(&now); err != nil {
+			return
+		}
 	}
 
 	return w.file.Write(p)
diff --git a/writers/fixed_size_file_writer.go b/writers/fixed_size_file_writer.go
index b53fdbf..d96a7a2 100644
--- a/writers/fixed_size_file_writer.go
+++ b/writers/fixed_size_file_writer.go
@@ -20,10 +20,16 @@ type FixedSizeFileWriter struct {
 // Write implements io.Writer
 func (w *FixedSizeFileWriter) Write(p []byte) (n int, err error) {
 	if w.file == nil {
-		w.openCurrentFile()
-	} else if w.currentSize > w.MaxSize {
+		if err = w.openCurrentFile(); err != nil {
+			return
+		}
+	}
+
+	if w.currentSize > w.MaxSize {
 		w.file.Close()
-		w.openNextFile()
+		if err = w.openNextFile(); err != nil {
+			return
+		}
 	}
 
 	w.currentSize += int64(len(p))