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config.go
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config.go
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package oo
import (
"bytes"
"flag"
"fmt"
"os"
"reflect"
"strconv"
"strings"
"sync"
"github.com/BurntSushi/toml"
)
type Config struct {
sss sync.Map //map[string]string
cfgs sync.Map //map[string]interface{} //"xx.xx": []bool/int64/string
// has_mdy bool
}
var GConfig *Config
func (c *Config) Int64(sesskey string, defs ...int64) int64 {
// if v, ok := c.cfgs[sesskey]; ok {
if v, ok := c.cfgs.Load(sesskey); ok {
ret, _ := v.(int64)
return ret
}
defval := int64(0)
if len(defs) > 0 {
defval = defs[0]
}
return defval
}
func (c *Config) Bool(sesskey string, defs ...bool) bool {
// if v, ok := c.cfgs[sesskey]; ok {
if v, ok := c.cfgs.Load(sesskey); ok {
ret, _ := v.(bool)
return ret
}
defval := bool(false)
if len(defs) > 0 {
defval = defs[0]
}
return defval
}
func (c *Config) String(sesskey string, defs ...string) string {
// if v, ok := c.cfgs[sesskey]; ok {
if v, ok := c.cfgs.Load(sesskey); ok {
ret, _ := v.(string)
return ret
}
defval := string("")
if len(defs) > 0 {
defval = defs[0]
}
return defval
}
func (c *Config) Int64Array(sesskey string, defs ...[]int64) []int64 {
// if v, ok := c.cfgs[sesskey]; ok {
if v, ok := c.cfgs.Load(sesskey); ok {
var ret []int64
if reflect.ValueOf(v).Kind() != reflect.Slice {
if ret1, ok := v.(int64); ok {
ret = []int64{ret1}
}
} else {
for _, v1 := range v.([]interface{}) {
if ret1, ok := v1.(int64); ok {
ret = append(ret, ret1)
}
}
}
// fmt.Printf("Int64Array: %v, %v\n", v, ret)
return ret
}
defval := []int64{}
if len(defs) > 0 {
defval = defs[0]
}
return defval
}
func (c *Config) BoolArray(sesskey string, defs ...[]bool) []bool {
// if v, ok := c.cfgs[sesskey]; ok {
if v, ok := c.cfgs.Load(sesskey); ok {
var ret []bool
if reflect.ValueOf(v).Kind() != reflect.Slice {
if ret1, ok := v.(bool); ok {
ret = []bool{ret1}
}
} else {
for _, v1 := range v.([]interface{}) {
if ret1, ok := v1.(bool); ok {
ret = append(ret, ret1)
}
}
}
// fmt.Printf("BoolArray: %v, %v\n", v, ret)
return ret
}
defval := []bool{}
if len(defs) > 0 {
defval = defs[0]
}
return defval
}
func (c *Config) StringArray(sesskey string, defs ...[]string) []string {
// if v, ok := c.cfgs[sesskey]; ok {
if v, ok := c.cfgs.Load(sesskey); ok {
var ret []string
if reflect.ValueOf(v).Kind() != reflect.Slice {
if ret1, ok := v.(string); ok {
ret = []string{ret1}
}
} else {
for _, v1 := range v.([]interface{}) {
if ret1, ok := v1.(string); ok {
ret = append(ret, ret1)
}
}
}
// fmt.Printf("StringArray: %v, %v\n", v, ret)
return ret
}
defval := []string{}
if len(defs) > 0 {
defval = defs[0]
}
return defval
}
func (c *Config) SessDecode(sess string, pdata interface{}) error {
// if v, ok := c.sss[sess]; ok {
if v, ok := c.sss.Load(sess); ok {
vs, _ := v.(string)
_, err := toml.Decode(vs, pdata)
return err
}
return NewError("no sess: %s", sess)
}
func (c *Config) SessDecodeMap(cfgmap map[string]interface{}) error {
for sess, pdata := range cfgmap {
if err := c.SessDecode(sess, pdata); err != nil {
return err
}
}
return nil
}
func (c *Config) SetSess(sess string, v interface{}) {
//对所有v成员,拼装sess.key, 设置其值
if reflect.TypeOf(v).Kind() == reflect.Ptr {
v = reflect.Indirect(reflect.ValueOf(v)).Interface()
}
tv := reflect.TypeOf(v)
rv := reflect.ValueOf(v)
for i := 0; i < tv.NumField(); i++ {
key := tv.Field(i).Name
t := GetTagOptions(tv.Field(i).Tag, "toml")
if t.Name != "" {
key = t.Name
}
sesskey := fmt.Sprintf("%s.%s", sess, key)
// c.cfgs[sesskey] = rv.Field(i).Interface()
c.cfgs.Store(sesskey, rv.Field(i).Interface())
}
buf := new(bytes.Buffer)
if err := toml.NewEncoder(buf).Encode(v); err == nil {
//c.sss[sess] = buf.String()
c.sss.Store(sess, buf.String())
}
}
func (c *Config) SetValue(sesskey string, v interface{}) {
// c.cfgs[sesskey] = v
c.cfgs.Store(sesskey, v)
//若为int64,bool,string,则直接设置值
//若为[]int64,...,则复制Slice
// if reflect.ValueOf(v).Kind() != reflect.Slice {
// c.cfgs[sesskey] = v
// } else {
// c.cfgs[sesskey] = ToSlice(v)
// }
}
func (c *Config) SaveToml(fname string) error {
f, err := os.OpenFile(fname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
defer f.Close()
//转换为map[string]map[string]interface{}
tmp := map[string]map[string]interface{}{}
c.cfgs.Range(func(sesskey1, v interface{}) bool {
sesskey, _ := sesskey1.(string)
sk := strings.Split(sesskey, ".")
if len(sk) != 2 {
return true
// return NewError("cfgs more than one .")
}
if _, ok := tmp[sk[0]]; !ok {
tmp[sk[0]] = make(map[string]interface{})
}
tmp[sk[0]][sk[1]] = v
return true
})
return toml.NewEncoder(f).Encode(tmp)
}
func convet_to_cfg(c *Config, tmp map[string]map[string]interface{}) {
buf := new(bytes.Buffer)
for sess, ss := range tmp {
buf.Reset()
if err := toml.NewEncoder(buf).Encode(ss); err == nil {
if _, loaded := c.sss.LoadOrStore(sess, buf.String()); loaded {
LogW("duplicate session: %v", sess)
}
}
for key, val := range ss {
sesskey := fmt.Sprintf("%s.%s", sess, key)
c.cfgs.Store(sesskey, val)
}
}
}
func InitConfig(cfg_files interface{}, fn func(c *Config)) (*Config, error) {
//将所有cfg_files加载,用map表示
c := &Config{
// sss: make(map[string]string),
// cfgs: make(map[string]interface{}),
}
var cfgs []string
if cfg, ok := cfg_files.(string); ok {
cfgs = []string{cfg}
} else if cfgs1, ok := cfg_files.([]string); ok {
for _, cfg := range cfgs1 {
cfgs = append(cfgs, cfg)
}
}
f := func(c *Config) {
c.sss = sync.Map{}
c.cfgs = sync.Map{}
// buf := new(bytes.Buffer)
for _, f := range cfgs {
tmp := map[string]map[string]interface{}{}
_, err := toml.DecodeFile(f, &tmp)
if err != nil {
LogD("Not found config: %s, err=%v", f, err)
continue
}
convet_to_cfg(c, tmp)
}
}
f(c)
if fn != nil {
sig := NewSignalHandler(SigHup)
go func() {
for {
select {
case <-sig.GetChan():
LogD("Get a SigHup.")
f(c)
fn(c)
}
}
}()
}
return c, nil
}
/*
// type DTbSysconfig struct {
// CfgId int64 `db:"cfg_id,omitempty" sqler:"skips"`
// CfgName string `db:"cfg_name,omitempty"`
// CfgVal string `db:"cfg_val,omitempty"`
// CfgType string `db:"cfg_type,omitempty"`
// CfgComment string `db:"cfg_comment,omitempty"`
// UpdateTs string `db:"update_ts,omitempty" sqler:"skips"`
// }
type SysConfig struct {
Config
tbname string
}
func (c *SysConfig) SaveValue(sesskey string, val interface{}) {
}
func InitSysConfig(tbname string, sync_sec int64) (*SysConfig, error) {
c := &SysConfig{}
c.tbname = tbname
f := func(c *SysConfig) error {
var err error
var ok bool
if GMysqlPool == nil {
return NewError("No sql conn")
}
db := GMysqlPool.GetConn()
defer GMysqlPool.UnGetConn(db)
sql := NewSqler().Table(c.tbname).Select("*")
var rows []DTbSysconfig
if err = db.Select(&rows, sql); err != nil {
return err
}
tmp := map[string]map[string]interface{}{}
for _, row := range rows {
sk := strings.Split(row.CfgName, ".")
if len(sk) != 2 {
continue
}
if _, ok = tmp[sk[0]]; !ok {
tmp[sk[0]] = map[string]interface{}{}
}
switch row.CfgType {
case "int64":
nVal, _ := strconv.ParseInt(row.CfgVal, 10, 64)
tmp[sk[0]][sk[1]] = nVal
case "string":
tmp[sk[0]][sk[1]] = row.CfgVal
case "[]int64":
var nArr []int64
if JsonUnmarshal([]byte(row.CfgVal), &nArr) != nil {
//
}
tmp[sk[0]][sk[1]] = nArr
case "[]string":
var sArr []string
if JsonUnmarshal([]byte(row.CfgVal), &sArr) != nil {
//
}
tmp[sk[0]][sk[1]] = sArr
default:
}
}
convet_to_cfg(&c.Config, tmp)
return nil
}
if err := f(c); err != nil {
return nil, err
}
go func() {
for {
<-time.After(time.Second * time.Duration(sync_sec))
c1 := &SysConfig{}
if err := f(c1); err != nil {
LogW("Failed to load sysconfig. err=%v", err)
continue
}
}
}()
return c, nil
}
*/
type SysConfig struct {
sqlPool *MysqlPool
tblName string
keyField string
valField string
}
var GSysConfig *SysConfig
func InitSysConfig(sql_pool *MysqlPool, table_name, key_field, val_field string) (sc *SysConfig, err error) {
sc = &SysConfig{
sqlPool: sql_pool,
tblName: table_name,
keyField: key_field,
valField: val_field,
}
if GSysConfig == nil {
GSysConfig = sc
}
return
}
//val: int64, string, []int64, []string
func (sc *SysConfig) Read(key string, pval interface{}) (err error) {
conn := sc.sqlPool.GetConn()
defer sc.sqlPool.UnGetConn(conn)
sqlstr := fmt.Sprintf("select %s from %s where %s='%s'", sc.valField, sc.tblName, sc.keyField, key)
var str string
err = conn.Get(&str, sqlstr)
if nil != err && ErrNoRows != err {
err = NewError("%v sql[%s]", err, sqlstr)
return
}
switch pval.(type) {
case *bool:
pv, _ := pval.(*bool)
var tmpv int64
tmpv, err = strconv.ParseInt(str, 10, 64)
if err == nil && tmpv != 0 {
*pv = true
}
case *int64:
pv, _ := pval.(*int64)
*pv, err = strconv.ParseInt(str, 10, 64)
case *string:
pv, _ := pval.(*string)
*pv = str
case *[]bool:
pv, _ := pval.(*[]bool)
var tmpv []int64
if err = sc.Read(key, &tmpv); err == nil && len(tmpv) > 0 {
*pv = make([]bool, len(tmpv))
for i := 0; i < len(tmpv); i++ {
if tmpv[i] != 0 {
(*pv)[i] = true
}
}
}
case *[]int64:
pv, _ := pval.(*[]int64)
str = strings.Trim(strings.Trim(str, "["), "]")
strs := strings.Split(str, ",")
*pv = make([]int64, len(strs))
for i := 0; i < len(strs); i++ {
(*pv)[i], err = strconv.ParseInt(strs[i], 10, 64)
if nil != err {
return
}
}
case *[]string:
pv, _ := pval.(*[]string)
str = strings.Trim(strings.Trim(str, "["), "]")
strs := strings.Split(str, ",")
*pv = make([]string, len(strs))
for i := 0; i < len(strs); i++ {
(*pv)[i] = strings.Trim(strs[i], "\"")
}
default:
err = NewError("Not support format")
return
}
return
}
func (sc *SysConfig) Int64(sesskey string, defs ...int64) (defval int64) {
if err := sc.Read(sesskey, &defval); err != nil {
if len(defs) > 0 {
defval = defs[0]
}
}
return
}
func (sc *SysConfig) Bool(sesskey string, defs ...bool) (defval bool) {
if err := sc.Read(sesskey, &defval); err != nil {
if len(defs) > 0 {
defval = defs[0]
}
}
return
}
func (sc *SysConfig) String(sesskey string, defs ...string) (defval string) {
if err := sc.Read(sesskey, &defval); err != nil {
if len(defs) > 0 {
defval = defs[0]
}
}
return
}
func (sc *SysConfig) Int64Array(sesskey string, defs ...[]int64) (defval []int64) {
if err := sc.Read(sesskey, &defval); err != nil {
if len(defs) > 0 {
defval = defs[0]
}
}
return
}
func (sc *SysConfig) BoolArray(sesskey string, defs ...[]bool) (defval []bool) {
if err := sc.Read(sesskey, &defval); err != nil {
if len(defs) > 0 {
defval = defs[0]
}
}
return
}
func (sc *SysConfig) StringArray(sesskey string, defs ...[]string) (defval []string) {
if err := sc.Read(sesskey, &defval); err != nil {
if len(defs) > 0 {
defval = defs[0]
}
}
return
}
func (sc *SysConfig) Store(key string, val interface{}) (err error) {
conn := sc.sqlPool.GetConn()
defer sc.sqlPool.UnGetConn(conn)
var sval string
switch val.(type) {
case bool:
v, _ := val.(bool)
sval = "0"
if v {
sval = "1"
}
case int64, string:
sval = fmt.Sprintf("%v", val)
case []bool:
v, _ := val.([]bool)
for i := 0; i < len(v); i++ {
if len(sval) > 0 {
sval += ","
}
tmpv := "0"
if v[i] {
tmpv = "1"
}
sval += tmpv
}
sval = "[" + sval + "]"
case []int64:
v, _ := val.([]int64)
for i := 0; i < len(v); i++ {
if len(sval) > 0 {
sval += ","
}
sval += fmt.Sprintf("%d", v[i])
}
sval = "[" + sval + "]"
case []string:
v, _ := val.([]string)
for i := 0; i < len(v); i++ {
if len(sval) > 0 {
sval += ","
}
sval += fmt.Sprintf("\"%s\"", v[i])
}
sval = "[" + sval + "]"
default:
err = NewError("Not support format")
return
}
sqlstr := fmt.Sprintf("update %s set %s='%v' where %s='%s'", sc.tblName, sc.valField, sval, sc.keyField, key)
_, err = conn.Exec(sqlstr)
if nil != err {
err = NewError("%v sql[%s]", err, sqlstr)
}
return
}
// -vVdD -c cfgfile -l logpath
type CmdArgs = struct {
CfgFiles []string
LogPath string
Name string
Debug int64
Daemon bool
Version bool
Help bool
Parsed bool
}
var GCmdArgs CmdArgs
func ParseCmdArgs(ver string) (ca *CmdArgs) {
ca = &GCmdArgs
if ca.Parsed {
return
}
cfgfile := string("")
flag.StringVar(&cfgfile, "c", "../etc/local.conf,../etc/global.conf", "config files")
flag.BoolVar(&ca.Daemon, "D", false, "deamon application")
flag.StringVar(&ca.LogPath, "l", "./", "log files path")
flag.StringVar(&ca.Name, "n", "", "this server name: name(default: exe file)")
flag.BoolVar(&ca.Version, "v", false, "print version")
flag.BoolVar(&ca.Version, "V", false, "print version")
flag.Int64Var(&ca.Debug, "d", 0, "debug")
flag.BoolVar(&ca.Help, "h", false, "help")
flag.Parse()
if ca.Help || ca.Version {
fmt.Printf("Version: %s\n", ver)
if ca.Help {
flag.PrintDefaults()
}
os.Exit(0)
}
ca.CfgFiles = strings.Split(cfgfile, ",")
ca.Parsed = true
return
}