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Commit 11737ff

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author
ns2020
committed
add htfile lib for cutting by hour/day or month.
1 parent 6e4f9d4 commit 11737ff

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5 files changed

+237
-4
lines changed

5 files changed

+237
-4
lines changed

‎README.md

Lines changed: 16 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -22,18 +22,33 @@ go get github.com/hottaro/golang_tiny_lib/htevent
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## htlog
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tiny logging models
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1. get pkg
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```shell
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go get github.com/hottaro/golang_tiny_lib/htlog
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```
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2. See htlog/example.go
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## htfile
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tiny file handler, auto cut by hours, days or month.
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## htdb
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middleware for PostgreSQL, MySQL, SQLite and MongoDB, handling...
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## htcache
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middleware for cache, handling...
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## htlb
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Load Balance, handling...
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## LICENSE
3853
[MIT](https://opensource.org/licenses/MIT "MIT")
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‎example.go

Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -3,22 +3,28 @@ package main
33
import (
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"github.com/hottaro/golang_tiny_lib/htevent"
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"github.com/hottaro/golang_tiny_lib/htlog"
6+
"github.com/hottaro/golang_tiny_lib/htfile"
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"fmt"
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// "./htevent"
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// "./htlog"
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// "./htfile"
911
)
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1113
func main() {
1214

13-
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fmt.Println(">>>>>>>>>>> event example ...")
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// event test
16+
fmt.Println(">>>>>>>>>>> event example ...")
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htevent.HTEvent_test()
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fmt.Println(">>>>>>>>>>> event example ... end")
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19-
fmt.Println(">>>>>>>>>>> log example ...")
2020
// log test
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fmt.Println(">>>>>>>>>>> log example ...")
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htlog.HTLog_test()
2223
fmt.Println(">>>>>>>>>>> example ... end")
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// file test
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fmt.Println(">>>>>>>>>>> log example ...")
27+
htfile.HTFile_test()
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fmt.Println(">>>>>>>>>>> example ... end")
2329
}
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‎htfile/README.md

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
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# htfile
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## Example
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```go
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func HTFile_test() {
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file := Open("./test_cut.log")
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defer file.Close()
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11+
file.SetFormat(CutTypeDay)
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_, err := file.Writef("first format %v string\n", 0)
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if err != nil {
14+
fmt.Println("error ", err)
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}
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file.ResetFile()
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_, err = file.Writeln("file reset string")
20+
if err != nil {
21+
fmt.Println("error ", err)
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}
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24+
nowFunc = func() time.Time {
25+
return time.Now().Add(time.Hour * 25)
26+
}
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28+
_, err = file.Writeln("new file now")
29+
if err != nil {
30+
fmt.Println("error ", err)
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}
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}
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```
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‎htfile/example.go

Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
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package htfile
2+
3+
import (
4+
"time"
5+
"fmt"
6+
)
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8+
func HTFile_test() {
9+
file := Open("./test_cut.log")
10+
defer file.Close()
11+
12+
file.SetFormat(CutTypeDay)
13+
_, err := file.Writef("first format %v string\n", 0)
14+
if err != nil {
15+
fmt.Println("error ", err)
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}
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file.ResetFile()
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_, err = file.Writeln("file reset string")
21+
if err != nil {
22+
fmt.Println("error ", err)
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}
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25+
nowFunc = func() time.Time {
26+
return time.Now().Add(time.Hour * 25)
27+
}
28+
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_, err = file.Writeln("new file now")
30+
if err != nil {
31+
fmt.Println("error ", err)
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}
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}
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‎htfile/htfile.go

Lines changed: 144 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,144 @@
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package htfile
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import (
4+
"os"
5+
"sync"
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"time"
7+
"fmt"
8+
"strings"
9+
)
10+
11+
type TCut string
12+
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const (
14+
CutTypeHour TCut = "06010215"
15+
CutTypeDay TCut = "060102"
16+
CutTypeMonth TCut = "0601"
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18+
LogFlag = os.O_WRONLY | os.O_CREATE | os.O_APPEND
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LogMode = 0666
21+
)
22+
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type HTFile struct {
24+
file *os.File
25+
cutType string
26+
orgFilename string
27+
28+
flag int
29+
mode os.FileMode
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31+
filenameMu sync.Mutex
32+
destFilename string
33+
destKey string
34+
}
35+
36+
func Open(filename string) *HTFile {
37+
return &HTFile{
38+
flag: LogFlag,
39+
mode: LogMode,
40+
41+
orgFilename: filename,
42+
cutType: string(CutTypeHour), // 默认按小时
43+
}
44+
}
45+
46+
var nowFunc = time.Now
47+
48+
func (f *HTFile) SetFormat(cutType TCut) {
49+
f.cutType = string(cutType)
50+
}
51+
52+
func (f *HTFile) SetFlag(flag int) {
53+
f.flag = flag
54+
}
55+
56+
func (f *HTFile) SetMode(mode os.FileMode) {
57+
f.mode = mode
58+
}
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60+
func (f *HTFile) ResetFile() error {
61+
now := nowFunc()
62+
f.filenameMu.Lock()
63+
defer f.filenameMu.Unlock()
64+
65+
key := now.Format(f.cutType)
66+
name := f.orgFilename + "." + key
67+
68+
file, err := os.OpenFile(name, f.flag, f.mode)
69+
if err != nil {
70+
f.filenameMu.Unlock()
71+
return err
72+
}
73+
74+
if f.file != nil {
75+
f.file.Close()
76+
}
77+
78+
f.file, f.destFilename, f.destKey = file, name, key
79+
return nil
80+
}
81+
82+
func (f *HTFile) Writeb(b []byte) (n int, err error) {
83+
now := nowFunc()
84+
f.filenameMu.Lock()
85+
key := now.Format(f.cutType)
86+
if key != f.destKey {
87+
if f.file != nil {
88+
f.file.Close()
89+
}
90+
91+
name := f.orgFilename + "." + key
92+
93+
f.file, err = os.OpenFile(name, f.flag, f.mode)
94+
if err != nil {
95+
f.filenameMu.Unlock()
96+
return n, err
97+
}
98+
99+
f.destFilename, f.destKey = name, key
100+
}
101+
f.filenameMu.Unlock()
102+
103+
return f.file.Write(b)
104+
}
105+
106+
func (f *HTFile) Write(s string) (n int, err error) {
107+
return f.Writeb([]byte(s))
108+
}
109+
110+
func (f *HTFile) Writeln(s string) (n int, err error) {
111+
return f.Write(s + "\n")
112+
}
113+
114+
func (f *HTFile) Writef(format interface{}, v ...interface{}) (n int, err error) {
115+
return f.Write(formatLog(format, v...))
116+
}
117+
118+
func (f *HTFile) Close() error {
119+
return f.file.Close()
120+
}
121+
122+
func formatLog(f interface{}, v ...interface{}) string {
123+
var msg string
124+
switch f.(type) {
125+
case string:
126+
msg = f.(string)
127+
if len(v) == 0 {
128+
return msg
129+
}
130+
if strings.Contains(msg, "%") && !strings.Contains(msg, "%%") {
131+
//format string
132+
} else {
133+
//do not contain format char
134+
msg += strings.Repeat(" %v", len(v))
135+
}
136+
default:
137+
msg = fmt.Sprint(f)
138+
if len(v) == 0 {
139+
return msg
140+
}
141+
msg += strings.Repeat(" %v", len(v))
142+
}
143+
return fmt.Sprintf(msg, v...)
144+
}

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