统一定义基准目录 (#77)

* fix :mysql index field is too long, resulting in table creation failure

* 统一定义基准目录

pkg/base/path.go

@@ -0,0 +1,51 @@
+/**
+为确保运行结果正常输出，请不要移动此文件
+ */
+package base
+
+import (
+	"errors"
+	"path/filepath"
+	"runtime"
+)
+
+// 获取项目基准目录
+func baseDir(p string) (string, error) {
+	_, file, _, ok := runtime.Caller(0)
+	if !ok {
+		return "", errors.New("runtime.Caller error.")
+	}
+	dir:= filepath.Dir( filepath.Dir( filepath.Dir( file ) ) )
+	return dir+ p, nil
+}
+// 获取项目根目录
+func ProjectDir(p string) string {
+	if p=="" {
+		p= "/"
+	}
+	dir, err:= baseDir(p)
+	if err!= nil {
+		panic(err)
+	}
+	return dir
+}
+// 获取各个常用目录
+func ConfigDir() string {
+	return ProjectDir("/config/")
+}
+func ScriptDir() string {
+	return ProjectDir("/script/")
+}
+func BinDir() string {
+	return ProjectDir("/bin/")
+}
+func LogDir() string {
+	return ProjectDir("/logs/")
+}
+func PkgDir() string {
+	return ProjectDir("/pkg/")
+}
+func InternalDir() string {
+	return ProjectDir("/internal/")
+}
+

pkg/common/config/config.go

@@ -1,21 +1,20 @@
 package config
 
 import (
+	"Open_IM/pkg/base"
 	"io/ioutil"
-
 	"gopkg.in/yaml.v3"
-
+	//"path/filepath"
-	"path/filepath"
+	//"runtime"
-	"runtime"
 )
 
 var Config config
 
-var (
+//var (
-	_, b, _, _ = runtime.Caller(0)
+//	_, b, _, _ = runtime.Caller(0)
-	// Root folder of this project
+//	// Root folder of this project
-	Root = filepath.Join(filepath.Dir(b), "../../..")
+//	Root = filepath.Join(filepath.Dir(b), "../../..")
-)
+//)
 
 type config struct {
 	ServerIP      string `yaml:"serverip"`
@@ -162,9 +161,16 @@ type config struct {
 }
 
 func init() {
+	confDir:= base.ConfigDir()
+	logDir:= base.LogDir()
+
+	// fix log dir
+	Config.Log.StorageLocation= logDir
+
 	// if we cd Open-IM-Server/src/utils and run go test
 	// it will panic cannot find config/config.yaml
-	bytes, err := ioutil.ReadFile(Root + "/config/config.yaml")
+	bytes, err := ioutil.ReadFile(confDir + "config.yaml")
+	//bytes, err := ioutil.ReadFile(Root + "/config/config.yaml")
 	if err != nil {
 		panic(err)
 	}