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go
beego
Commits
fb5b0450
Commit
fb5b0450
authored
Jan 13, 2016
by
JessonChan
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code refactor and format
parent
7663d50c
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1 changed file
with
33 additions
and
32 deletions
+33
-32
file.go
logs/file.go
+33
-32
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logs/file.go
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fb5b0450
...
...
@@ -238,44 +238,45 @@ func (w *fileLogWriter) lines() (int, error) {
// new file name like xx.2013-01-01.2.log
func
(
w
*
fileLogWriter
)
doRotate
()
error
{
_
,
err
:=
os
.
Lstat
(
w
.
Filename
)
if
err
!=
nil
{
return
err
}
// file exists
// Find the next available number
num
:=
1
fName
:=
""
suffix
:=
filepath
.
Ext
(
w
.
Filename
)
filenameOnly
:=
strings
.
TrimSuffix
(
w
.
Filename
,
suffix
)
if
suffix
==
""
{
suffix
=
".log"
}
for
;
err
==
nil
&&
num
<=
999
;
num
++
{
fName
=
filenameOnly
+
fmt
.
Sprintf
(
".%s.%03d%s"
,
time
.
Now
()
.
Format
(
"2006-01-02"
),
num
,
suffix
)
_
,
err
=
os
.
Lstat
(
fName
)
}
// return error if the last file checked still existed
if
err
==
nil
{
// file exists
// Find the next available number
num
:=
1
fName
:=
""
suffix
:=
filepath
.
Ext
(
w
.
Filename
)
filenameOnly
:=
strings
.
TrimSuffix
(
w
.
Filename
,
suffix
)
if
suffix
==
""
{
suffix
=
".log"
}
for
;
err
==
nil
&&
num
<=
999
;
num
++
{
fName
=
filenameOnly
+
fmt
.
Sprintf
(
".%s.%03d%s"
,
time
.
Now
()
.
Format
(
"2006-01-02"
),
num
,
suffix
)
_
,
err
=
os
.
Lstat
(
fName
)
}
// return error if the last file checked still existed
if
err
==
nil
{
return
fmt
.
Errorf
(
"Rotate: Cannot find free log number to rename %s
\n
"
,
w
.
Filename
)
}
return
fmt
.
Errorf
(
"Rotate: Cannot find free log number to rename %s
\n
"
,
w
.
Filename
)
}
// close fileWriter before rename
w
.
fileWriter
.
Close
()
// close fileWriter before rename
w
.
fileWriter
.
Close
()
// Rename the file to its new found name
// even if occurs error,we MUST guarantee to restart new logger
renameErr
:=
os
.
Rename
(
w
.
Filename
,
fName
)
// re-start logger
startLoggerErr
:=
w
.
startLogger
()
go
w
.
deleteOldLog
()
// Rename the file to its new found name
// even if occurs error,we MUST guarantee to restart new logger
renameErr
:=
os
.
Rename
(
w
.
Filename
,
fName
)
// re-start logger
startLoggerErr
:=
w
.
startLogger
()
go
w
.
deleteOldLog
()
if
startLoggerErr
!=
nil
{
return
fmt
.
Errorf
(
"Rotate StartLogger: %s
\n
"
,
startLoggerErr
)
}
if
renameErr
!=
nil
{
return
fmt
.
Errorf
(
"Rotate: %s
\n
"
,
renameErr
)
}
if
startLoggerErr
!=
nil
{
return
fmt
.
Errorf
(
"Rotate StartLogger: %s
\n
"
,
startLoggerErr
)
}
if
renameErr
!=
nil
{
return
fmt
.
Errorf
(
"Rotate: %s
\n
"
,
renameErr
)
}
return
nil
}
func
(
w
*
fileLogWriter
)
deleteOldLog
()
{
...
...
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