Golang ffjson.Marshal函数代码示例

func HandleAddCustomEventHandlers(e *tree_event.Event, api_cmd Command) {
	var (
		out          = &WriterCallback{BufferMaxSize: 1024}
		handler_data map[string]interface{}
		err          tree_lib.TreeError
		ev_data      []byte
	)
	err.From = tree_lib.FROM_ADD_CUSTOM_EVENT
	err.Err = ffjson.Unmarshal(api_cmd.Data, &handler_data)
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}

	out.OutCallback = func(data []byte, ended bool) {
		cb_cmd := api_cmd
		cb_cmd.Ended = ended
		cb_cmd.Data = data
		ev_data, err.Err = ffjson.Marshal(cb_cmd)
		if !err.IsNull() {
			tree_log.Error(err.From, err.Error())
			return
		}
		SendCommandCallback(e, ev_data)
	}
	defer out.End()

	event_name := handler_data["name"].(string)
	handles_interfaces := handler_data["handlers"].([]interface{})
	var (
		handles_interfaces_data []byte
		handlers                []custom_event.Handler
	)
	handles_interfaces_data, err.Err = ffjson.Marshal(handles_interfaces)
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}

	err.Err = ffjson.Unmarshal(handles_interfaces_data, &handlers)
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}

	err = custom_event.ON(event_name, handlers...)
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
	}
}

func main() {
	r := new(RetNode)
	r.Name = "sunsc"
	r.Sex = "male"
	r.Age = 36
	buf, err := json.Marshal(r)
	log.Println("err==>", err, "| buf=>", string(buf))

	secr := new(ReqCardInfoType)
	secr.ApiName = "test"
	secr.Id = "72789765231"
	secr.BizApiCode = "0005000400000001"
	buf, err = json.Marshal(secr)
	log.Println("err==>", err, "| buf=>", string(buf))
}

// Executing some commands using exec.Command functionality from Go in OS
func HandleExecCommand(e *tree_event.Event, api_cmd Command) {
	var (
		out         = &WriterCallback{BufferMaxSize: 1024}
		cmd_str     = string(api_cmd.Data)
		cmd_options = strings.Split(cmd_str, " ")
		cmd         = exec.Command(cmd_options[0], cmd_options[1:]...)
		err         tree_lib.TreeError
		ev_data     []byte
	)
	err.From = tree_lib.FROM_HANDLE_EXEC_COMMAND
	out.OutCallback = func(data []byte, ended bool) {
		cb_cmd := api_cmd
		cb_cmd.Ended = ended
		cb_cmd.Data = data
		ev_data, err.Err = ffjson.Marshal(cb_cmd)
		if !err.IsNull() {
			tree_log.Error(err.From, err.Error())
			return
		}
		SendCommandCallback(e, ev_data)
	}

	defer out.End()

	cmd.Stdout = out
	cmd.Stderr = out
	err.Err = cmd.Run()
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
	}
}

func SendCommand(cmd *Command, path *tree_graph.Path, cb func(*tree_event.Event, Command) bool) (err tree_lib.TreeError) {
	// If command ID not set just setting random string
	if len(cmd.ID) == 0 {
		cmd.ID = tree_lib.RandomString(10)
	}

	var (
		cmd_data []byte
	)

	cmd_data, err.Err = ffjson.Marshal(cmd)
	if !err.IsNull() {
		err.From = tree_lib.FROM_SEND_COMMAND
		return
	}

	e := &tree_event.Event{
		Name:    tree_event.ON_API_COMMAND,
		Data:    cmd_data,
		FromApi: node_info.CurrentNodeInfo.Value,
		From:    path.From,
	}

	tree_event.Emit(e, path)

	if cb != nil {
		subscribed_command_callbacks[cmd.ID] = cb_str{f: cb, c: make(chan bool)}
		<-subscribed_command_callbacks[cmd.ID].c
	}

	return
}

func HandleContainerCommand(ev *tree_event.Event, cmd Command) {
	var (
		out        = &WriterCallback{BufferMaxSize: 1024}
		docker_cmd = tree_docker.DockerCmd{}
		err        tree_lib.TreeError
		ev_data    []byte
	)
	err.From = tree_lib.FROM_HANDLE_CONTAINER_COMMAND
	err.Err = ffjson.Unmarshal(cmd.Data, &docker_cmd)
	if !err.IsNull() {
		tree_log.Error(err.From, "unable to unmarshal command data as a docker command -> ", err.Error())
		return
	}
	out.OutCallback = func(data []byte, ended bool) {
		cb_cmd := cmd
		cb_cmd.Ended = ended
		cb_cmd.Data = data
		ev_data, err.Err = ffjson.Marshal(cb_cmd)
		if !err.IsNull() {
			tree_log.Error(err.From, err.Error())
			return
		}
		SendCommandCallback(ev, ev_data)
	}

	defer out.End()

	tree_docker.ContainerCommands(&docker_cmd, out)
}

func FillDatabase(listApps []App) {

	for _, app := range listApps {
		appdb.Update(func(tx *bolt.Tx) error {
			b, err := tx.CreateBucketIfNotExists([]byte("AppBucket"))
			if err != nil {
				return fmt.Errorf("create bucket: %s", err)
			}

			serialize, err := json.Marshal(app)

			if err != nil {
				return fmt.Errorf("Error Marshaling data: %s", err)
			}
			err = b.Put([]byte(app.Guid), serialize)

			if err != nil {
				return fmt.Errorf("Error inserting data: %s", err)
			}
			return nil
		})

	}

}

///从数据库pull消息
func GetMsgHandler(w http.ResponseWriter, req *http.Request) {
	//获取客户端通过GET/POST方式传递的参数
	var retmsg string
	req.ParseForm()
	param1, found1 := req.Form["topic"]
	param2, _ := req.Form["limit"]

	if !found1 {
		retmsg = "请勿非法访问"
	}

	topic := param1[0]
	limit, err := strconv.Atoi(param2[0])
	if err != nil {
		retmsg = "请勿非法访问"
	}

	if topic != "" {

		dblist := models.GetMessagesForField("topic", topic, limit)
		msgjson, _ := ffjson.Marshal(dblist)
		retmsg = string(msgjson)
	} else {

		retmsg = "topic is null"
	}
	io.WriteString(w, retmsg)

}

func main() {
	fmt.Println("helloworld")
	DbaEnvrEx := buildEnvr()

	var listCard = make([]TCARD, 0)
	DbaEnvrEx.Select(&listCard, "SELECT  * FROM TBL_CARD")

	t0 := time.Now()
	//result, _ := json.Marshal(listCard)
	result, _ := ffjson.Marshal(listCard)
	t1 := time.Since(t0)
	fmt.Println(t1)
	fmt.Println(string(result))

	/*
		icount, ERR := DbaEnvrEx.SelectInt("SELECT COUNT(*) AS ICOUNT FROM TBL_CARD") //select count(*) as icount from tbl_card

		checkErr(ERR, "NULL")
		fmt.Println(icount)
	*/

	/*
		var listData = make([]TCARD, 0)
		_, eror := DbaEnvrEx.Select(&listData, "SELECT CARD_CODE,CARD_NAME,CARD_ZCTM,CARD_ZCYZ FROM TBL_CARD ORDER BY CARD_CODE")
		if eror != nil {
			fmt.Println(len(listData))
		}
	*/

}

func PostMsgHandler(w http.ResponseWriter, req *http.Request) {
	//获取客户端通过GET/POST方式传递的参数
	req.ParseForm()
	param1, found1 := req.Form["sendmsg"]
	result := NewBaseJsonBean()

	if !found1 {
		result.Code = -99
		result.Message = "请勿非法访问"
	}

	fdata := param1[0]

	if fdata != "" {
		faction := "POST"
		furl := "http://nsq-ttthzygi35.tenxcloud.net:20157/put?topic=test"
		result.Code = 100
		result.Message = lib.HttpDo_NSQ(faction, furl, fdata)
	} else {
		result.Code = 101
		result.Message = "消息不能为空，请重新发送！"
	}

	//向客户端返回JSON数据,用到了ffjson包，据说比自带的json效率高3倍
	//bytes, _ := json.Marshal(result)
	bytes, _ := ffjson.Marshal(result)
	io.WriteString(w, string(bytes))

}

func NetworkEmmit(e *tree_event.Event, path *tree_graph.Path) (err tree_lib.TreeError) {
	var (
		sdata []byte
		p     *big.Int
	)
	err.From = tree_lib.FROM_NETWORK_EMIT

	// Calling get value, because maybe some one will calculate this path before calling this functions
	// If path is not calculated yet, it will be automatically calculated in GetValue function
	p, err = path.GetValue()
	if !err.IsNull() {
		return
	}

	// If we emitting from API then we need to multiply path with connected node
	// For sending data through him
	if strings.Contains(node_info.CurrentNodeInfo.Name, tree_api.API_NAME_PREFIX) {
		p.Mul(p, node_info.ChildsNodeValue[path.From])
	}

	// If from not set, setting it before network sending
	if len(e.From) == 0 {
		e.From = node_info.CurrentNodeInfo.Name
	}

	sdata, err.Err = ffjson.Marshal(e)
	if !err.IsNull() {
		return
	}

	SendToPath(sdata, p)
	return
}

func SetPathValues() (err tree_lib.TreeError) {
	var (
		nodes []node_info.NodeInfo
		prime int64
		value []byte
	)
	err.From = tree_lib.FROM_SET_PATH_VALUES
	nodes, err = ListNodeInfos()
	if !err.IsNull() {
		return
	}
	prime = 2
	for _, n := range nodes {
		n.Value = prime
		value, err.Err = ffjson.Marshal(n)
		if !err.IsNull() {
			return
		}
		err = Set(DB_NODE, []byte(n.Name), value)
		if !err.IsNull() {
			return
		}
		prime = tree_lib.NextPrimeNumber(prime)
	}
	return
}

// Perform a B2 API request with the provided request and response objects
func (c *B2) apiRequest(apiPath string, request interface{}, response interface{}) error {
	body, err := ffjson.Marshal(request)
	if err != nil {
		return err
	}
	defer ffjson.Pool(body)

	if c.Debug {
		log.Println("----")
		log.Printf("apiRequest: %s %s", apiPath, body)
	}

	err = c.tryAPIRequest(apiPath, body, response)

	// Retry after non-fatal errors
	if b2err, ok := err.(*B2Error); ok {
		if !b2err.IsFatal() && !c.NoRetry {
			if c.Debug {
				log.Printf("Retrying request %q due to error: %v", apiPath, err)
			}

			return c.tryAPIRequest(apiPath, body, response)
		}
	}
	return err
}

func HandleTriggerCustomEvent(e *tree_event.Event, api_cmd Command) {
	var (
		out        = &WriterCallback{BufferMaxSize: 1024}
		event_name = string(api_cmd.Data)
		err        tree_lib.TreeError
		ev_data    []byte
	)
	err.From = tree_lib.FROM_TRIGGER_CUSTOM_EVENT
	out.OutCallback = func(data []byte, ended bool) {
		cb_cmd := api_cmd
		cb_cmd.Ended = ended
		cb_cmd.Data = data
		ev_data, err.Err = ffjson.Marshal(cb_cmd)
		if !err.IsNull() {
			tree_log.Error(err.From, err.Error())
			return
		}
		SendCommandCallback(e, ev_data)
	}
	defer out.End()
	err = custom_event.Trigger(event_name, out)
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
	}
}

func toJSON(o interface{}) string {
	bytes, err := ffjson.Marshal(o)
	if err != nil {
		log.Fatal(err)
	}
	return string(bytes)
}

func SendDockerCommand(cmd tree_docker.DockerCmd, node string, target []string, tag []string, group []string) {
	var err tree_lib.TreeError
	if !tree_api.API_INIT(node) {
		fmt.Println("Unable to init api client")
		fmt.Println("Exiting ...")
		return
	}
	err.From = tree_lib.FROM_SEND_DOCKER_COMMAND
	var (
		api_cmd = tree_api.Command{}
		wait    = make(chan bool)
	)

	api_cmd.ID = tree_lib.RandomString(20)
	api_cmd.Data, err.Err = ffjson.Marshal(cmd)
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}
	api_cmd.CommandType = tree_api.COMMAND_CONTAINER

	tree_event.ON(tree_event.ON_CHILD_CONNECTED, func(ev *tree_event.Event) {
		path := &tree_graph.Path{From: node, Nodes: target, Groups: group, Tags: tag}
		tree_api.SendCommand(&api_cmd, path, func(e *tree_event.Event, c tree_api.Command) bool {
			fmt.Println(string(c.Data))
			fmt.Println(c.Ended)
			if c.Ended {
				return false
			}
			return true
		})
		wait <- true
	})
	<-wait
}