tcpudp

README

TCP/UDP Trigger

This trigger reads/writes data using TCI/UDP networks.

Flogo CLI

flogo install github.com/project-flogo/contrib/trigger/tcpudp

Configuration

Setting :

Name	Type	Description
network	string	Network type. Supported types: tcp,tcp4,tcp6,udp,udp4,udp6 - REQUIRED
host	string	Host IP or DNS resolvable name
port	string	Port to listen on - REQUIRED
delimiter	string	Delimiter for read and write. If not set, trigger will take line delimiter '\n' as default value
timeout	integer	Read and Write timeout in milliseconds. To disable timeout, set value to 0.

Output:

Name	Type	Description
data	string	The data received from client

Reply:

Name	Type	Description
reply	string	The data to be sent back to the client

Examples

{
  "triggers": [
          {
              "ref": "github.com/project-flogo/contrib/trigger/tcpudp",
              "name": "ReceiveTCPData",
              "settings": {
                  "network": "tcp4",
                  "host": "localhost",
                  "port": "8999",
                  "delimiter": "\n",
                  "timeout": 200
              },
              "id": "ReceiveTCPData",
              "handlers": [
                  {
                      "settings": {},
                      "action": {
                          "ref": "github.com/project-flogo/flow",
                          "settings": {
                              "flowURI": "res://flow:TCP"
                          },
                          "input": {
                              "data": "=$.data"
                          },
                          "output": {
                              "reply": "=$.reply"
                          }
                      },
                      "reply": {
                          "reply": ""
                      }
                  }
              ]
          }
      ]
}

Documentation

Index

• type Factory
  • func (*Factory) Metadata() *trigger.Metadata
  • func (*Factory) New(config *trigger.Config) (trigger.Trigger, error)
• type HandlerSettings
• type Output
  • func (o *Output) FromMap(values map[string]interface{}) error
  • func (o *Output) ToMap() map[string]interface{}
• type Reply
  • func (r *Reply) FromMap(values map[string]interface{}) error
  • func (r *Reply) ToMap() map[string]interface{}
• type Settings
• type Trigger
  • func (t *Trigger) Initialize(ctx trigger.InitContext) error
  • func (t *Trigger) Start() error
  • func (t *Trigger) Stop() error

Types

type Factory

type Factory struct {
}

Factory is a kafka trigger factory

func (*Factory) Metadata

func (*Factory) Metadata() *trigger.Metadata

Metadata implements trigger.Factory.Metadata

func (*Factory) New

func (*Factory) New(config *trigger.Config) (trigger.Trigger, error)

New implements trigger.Factory.New

type HandlerSettings

type HandlerSettings struct {
}

type Output

type Output struct {
	Data string `md:"data"` // The data received from the connection
}

func (*Output) FromMap

func (o *Output) FromMap(values map[string]interface{}) error

func (*Output) ToMap

func (o *Output) ToMap() map[string]interface{}

type Reply

type Reply struct {
	Reply string `md:"reply"` // The reply to be sent back
}

func (*Reply) FromMap

func (r *Reply) FromMap(values map[string]interface{}) error

func (*Reply) ToMap

func (r *Reply) ToMap() map[string]interface{}

type Settings

type Settings struct {
	Network   string `md:"network"`       // The network type
	Host      string `md:"host"`          // The host name or IP for TCP server.
	Port      string `md:"port,required"` // The port to listen on
	Delimiter string `md:"delimiter"`     // Data delimiter for read and write
	TimeOut   int    `md:"timeout"`
}

type Trigger

type Trigger struct {
	// contains filtered or unexported fields
}

Trigger is a kafka trigger

func (*Trigger) Initialize

func (t *Trigger) Initialize(ctx trigger.InitContext) error

Initialize initializes the trigger

func (*Trigger) Start

func (t *Trigger) Start() error

Start starts the kafka trigger

func (*Trigger) Stop

func (t *Trigger) Stop() error

Stop implements ext.Trigger.Stop