package models import ( "bytes" "encoding/json" "log" "os" "regexp" "fuckGFWClient/conf" ) const configFileSizeLimit = 10 << 20 //有了`json:network`这种注释，后面json解析就可以把相应的数据塞到对应的结构里面来 type Config struct { Server string `json:"server"` LocalPort int `json:"local_port"` Server_port string `json:"server_port"` Password string `json:"password"` Method string `json:"method"` TimeOut int `json:"time_out"` } func GetConfig() *Config { config := LoadConfig(conf.CONFIG_PATH) return config } func LoadConfig(path string) *Config { var config Config config_file, err := os.Open(path) if err != nil { emit("Failed to open config file '%s': %s\n", path, err) return &config } fi, _ := config_file.Stat() if size := fi.Size(); size > (configFileSizeLimit) { emit("config file (%q) size exceeds reasonable limit (%d) - aborting", path, size) return &config // REVU: shouldn't this return an error, then? } if fi.Size() == 0 { emit("config file (%q) is empty, skipping", path) return &config } buffer := make([]byte, fi.Size()) _, err = config_file.Read(buffer) //emit("\n %s\n", buffer) buffer, err = StripComments(buffer) //去掉注释 if err != nil { emit("Failed to strip comments from json: %s\n", err) return &config } buffer = []byte(os.ExpandEnv(string(buffer))) //特殊 err = json.Unmarshal(buffer, &config) //解析json格式数据 if err != nil { emit("Failed unmarshalling json: %s\n", err) return &config } return &config } func StripComments(data []byte) ([]byte, error) { data = bytes.Replace(data, []byte("\r"), []byte(""), 0) // Windows lines := bytes.Split(data, []byte("\n")) //split to muli lines filtered := make([][]byte, 0) for _, line := range lines { match, err := regexp.Match(`^\s*#`, line) if err != nil { return nil, err } if !match { filtered = append(filtered, line) } } return bytes.Join(filtered, []byte("\n")), nil } func emit(msgfmt string, args ...interface{}) { log.Printf(msgfmt, args...) } func ResultConfig(test []map[string]interface{}) (port_password []map[string]interface{}) { return }