Event/Notification Callback

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Callback Content Examples

Callback content examples can be found at Websocket Notification Examples; The reference to content objects is available at SDK Reference

Subscribe Order Callback

Python

# A callback to receive order data
def on_order(code, content):
    print("==Order==")
    print(code)
    print(content)
    # print(content.seq_no)  # Print the order serial number

sdk.set_on_order(on_order) 

info

For content object detail, please refer to OrderResult Object

Node.js

//Callback to receive order data
sdk.setOnOrder(function(order, content) 
    { console.log("====order===\n",order, content)});

info

For content object detail, please refer to OrderResult Object

C#

public void OnOrder(string code, OrderResult data)
{
    if(data != null)
    {
        response = data.ToString();
        Console.WriteLine("On Order" + response);
    }

}

Or use function below:

sdk.OnOrder += (code, ordeResult) =>
{
    Console.WriteLine(code + ordeResult.ToString());
}

info

For content object detail, please refer to OrderResult Object

C++

void on_order(std::optional<std::string> err, const OrderResult& data) override {
    if (err.has_value()) {
        std::cerr << "Error in on_order: " << err.value() << ", status: " << data.status.value() << std::endl;
        return;
    }

    if (data.order_no.has_value()) { // Or simply: if (data.order_no)
        std::cout << "on order: order_no - " << data.order_no.value() << ". status - " << data.status.value() << std::endl;
    }
    else {
        std::cout << "on order: order_no is not available. status - " << data.status.value() << std::endl;
    }
};

info

For content object detail, please refer to OrderResult Object

Go

sdk.OnOrder = func(err *string, data fubon.OrderResult) {
	s, _ := json.MarshalIndent(data, "", "  ")
	fmt.Println("On Order: ", string(s))
	if err != nil {
		fmt.Printf("   Error: %s\n", *err)
	}
}

info

For content object detail, please refer to OrderResult Object

Subscribe Change Order / Cancel Order Callback

Python

def on_order_changed(code, content):
    print("=Modified==")
    print(code)
    print(content)
    # print(content.seq_no)  # Print the order serial number
    print("========")
    
    
sdk.set_on_order_changed(on_order_changed) 

info

For content object detail, please refer to OrderResult Object

Node.js

//Callback to receive Modified data
sdk.setOnOrderChanged(function(order, content) 
    { console.log("===Modified===\n", order, content)});

info

For content object detail, please refer to OrderResult Object

C#

public void OnOrderChanged(string code, OrderResult data)
{
    if(data != null)
    {
        response = data.ToString();

        Console.WriteLine(code);
        Console.WriteLine("Modified" + response);
    }
}

Or use function below:

sdk.OnOrderChanged += (code, ordeResult) =>
{
    Console.WriteLine(code + ordeResult.ToString());
}

info

For content object detail, please refer to OrderResult Object

C++

void on_order_changed(std::optional<std::string> err, const OrderResult& data) override {
    if (data.error_message.has_value()) {
        std::cout << "on_order_changed: " << data.order_no.value() << ", status: " << data.status.value() << ", message: " << data.error_message.value() << std::endl;
    }
    else {
        std::cout << "on_order_changed: " << data.order_no.value() << ", status: " << data.status.value() << std::endl;
    }
};

info

For content object detail, please refer to OrderResult Object

Go

sdk.OnOrderChanged = func(err *string, data fubon.OrderResult) {
	s, _ := json.MarshalIndent(data, "", " ")
	fmt.Println("On Change ", string(s))
	if err != nil {
		fmt.Printf("   Error: %s\n", *err)
	}
}

info

For content object detail, please refer to OrderResult Object

Subscribe Filled Callback

Python

def on_filled(code, content):
    print("==Filled==")
    print(code)
    print(content)
    # print(content.filled_no)  # Print the filled serial number
    print("========")
    
sdk.set_on_filled(on_filled)

info

For content object detail, please refer to FilledData Object

Node.js

sdk.setOnFilled(function(code, content) 
    { console.log("===Filled===\n",code, content)})

info

For content object detail, please refer to FilledData Object

C#

public void OnFilled(string code, FilledData data)
{
    if(data != null)
    {
        response = data.ToString();

        Console.WriteLine(code);
        Console.WriteLine("Filled" + response);
    }

}

Or use function below:

sdk.OnFilled += (code, filledData) =>
{
    Console.WriteLine(code + filledData.ToString());
}

info

For content object detail, please refer to FilledData Object

C++

void on_filled(std::optional<std::string> err, const FilledData& data) override {
    if (err.has_value()) { 
        std::cerr << "Error in on_order: " << err.value() << std::endl;
        return; 
    }

    if (data.order_no.has_value()) { 
        std::cout << "on order: " << data.order_no.value() << std::endl;
    }
    else {
        std::cout << "on order: order_no is not available." << std::endl;
    }
};

info

For content object detail, please refer to FilledData Object

Go

sdk.OnFilled = func(err *string, data fubon.FilledData) {
	s, _ := json.MarshalIndent(data, "", " ")
	fmt.Println("On Filled ", string(s))
	if err != nil {
		fmt.Printf("   Error: %s\n", *err)
	}
}

info

For content object detail, please refer to FilledData Object

Subscribe Events Callback

Python

def on_event(code, content):
    print("===event=====")
    print(code)
    print(content)
    print("========")
    
sdk.set_on_event(on_event) 

Node.js

sdk.setOnEvent(function(code, content) 
    { console.log("===Event===\n",code, content)})

C#

public void OnEvent(String code, String data)
{
    response = data.ToString();
    Console.WriteLine(code);
    Console.WriteLine("Event" + response);
}

Or use function below:

sdk.OnEvent += (code, msg) =>
{
    Console.WriteLine(code + msg );
};

C++

void on_event(std::string code, std::string data) override {
        std::cout<<code<<" "<<data<<std::endl; 
    }

Go

sdk.OnEvent = func(data string, eventType string) {
    fmt.Printf("📡 OnEvent - Type: %s, Data: %s\n", eventType, data)
    if eventType == "disconnect" {
        fmt.Println("⚠️  Connection lost!")
    }
}

Events Include Returns in the Following:

Code	Meaning
100	Connect
200	Log in
201	Login Warning ( Password change alert)
300	Disconnect
301	Pong Missing
302	Manually Disconnected
304	API Key Revoked: Forced Logout (since v2.2.7)
500	Error

Example

Users can subscribe to different callbacks to receive order and filled notifications

Python

# A callback to receive order data
def on_order(code, content):
    print("==Order==")
    print(code)
    print(content)
    print("========")
    
    
sdk.set_on_order(on_order) 

# A callback to receive Modified data
def on_order_changed(code, content):
    print("=Modified==")
    print(code)
    print(content)
    print("========")
    
    
sdk.set_on_order_changed(on_order_changed) 

def on_filled(code, content):
    print("==Filled==")
    print(code)
    print(content)
    print("========")
    
sdk.set_on_filled(on_filled)

# A callback to receive Event data
def on_event(code, content):
    print("===event=====")
    print(code)
    print(content)
    print("========")
    
sdk.set_on_event(on_event) 

Node.js

//Callback to receive order data
sdk.setOnOrder(function(code, content) 
    { console.log("====order===\n",code, content)});

//Callback to receive Modified data
sdk.setOnOrderChanged(function(code, content) 
    { console.log("===Modified===\n", code, content)});

//Callback to receive Filled data
sdk.setOnFilled(function(code, content) 
    { console.log("===Filled===\n",code, content)})

//Callback to receive Event data
sdk.setOnEvent(function(code, content) 
    { console.log("===Event===\n",code, content)})

C#

public class MyCallback : Callback
{
    public string code ="";
    public string response = "";

    //Callback to receive order data
    public void OnOrder(string code, OrderResult data)
    {
        if(data != null)
        {
            response = data.ToString();
            Console.WriteLine("On Order" + response);
        }

    }

    //Callback to receive Modified data
    public void OnOrderChanged(string code, OrderResult data)
    {
        if(data != null)
        {
            response = data.ToString();

            Console.WriteLine(code);
            Console.WriteLine("Modified" + response);
        }

    }

    //Callback to receive Filled data
    public void OnFilled(string code, FilledData data)
    {
        if(data != null)
        {
            response = data.ToString();

            Console.WriteLine(code);
            Console.WriteLine("Filled" + response);
        }

    }

    //Callback to receive Event data
    public void OnEvent(String code,String data)
    {
        response = data.ToString();
        Console.WriteLine(code);
        Console.WriteLine("Event" + response);
    }
}

var callback = new MyCallback();
sdk.RegisterCallback(callback);

Or use the function below:

 sdk.OnEvent += (code, msg) =>
{
    Console.WriteLine(code + msg );
};

sdk.OnOrder += (code, ordeResult) =>
{
    Console.WriteLine(code + ordeResult.ToString());
}

sdk.OnOrderChanged += (code, ordeResult) =>
{
    Console.WriteLine(code + ordeResult.ToString());
}

sdk.OnFilled += (code, filledData) =>
{
    Console.WriteLine(code + filledData.ToString());
}

C++

struct CustomCallback : public fubon::Callback {
    void on_event(const std::string& code, const std::string& data) override {
        std::cout << code << " " << data << std::endl;
    }

    void on_order(std::optional<std::string> err, const OrderResult& data) override {
        if (err.has_value()) {
            std::cerr << "Error in on_order: " << err.value() << ", status: " << data.status.value() << std::endl;
            return;
        }

        if (data.order_no.has_value()) { // Or simply: if (data.order_no)
            std::cout << "on order: order_no - " << data.order_no.value() << ". status - " << data.status.value() << std::endl;
        }
        else {
            std::cout << "on order: order_no is not available. status - " << data.status.value() << std::endl;
        }
    };

    void on_order_changed(std::optional<std::string> err, const OrderResult& data) override {
        if (data.error_message.has_value()) {
            std::cout << "on_order_changed: " << data.order_no.value() << ", status: " << data.status.value() << ", message: " << data.error_message.value() << std::endl;
        }
        else {
            std::cout << "on_order_changed: " << data.order_no.value() << ", status: " << data.status.value() << std::endl;
        }
    };

    void on_filled(std::optional<std::string> err, const FilledData& data) override {
        std::cout << data.order_no << " " << std::endl;
    };

    void on_futopt_order(std::optional<std::string> err, const FutOptOrderResult& data) override {
        return;
        //if (err.has_value()) {
        //    std::cerr << "Error in on_order: " << err.value() << std::endl;
        //    return;
        //}

        //if (data.order_no.has_value()) { // Or simply: if (data.order_no)
        //    std::cout << "on order: " << data.order_no.value() << std::endl;
        //}
        //else {
        //    std::cout << "on order: order_no is not available." << std::endl;
        //}
    };

    void on_futopt_order_changed(std::optional<std::string> err, const FutOptOrderResult& data) override {
        /*std::cout << data.order_no.value() << " " << std::endl;*/
        return;
    };

    void on_futopt_filled(std::optional<std::string> err, const FutOptFilledData& data) override {
        //std::cout << data.order_no << " " << std::endl;
        return;
    };
};


int main()
{
    auto callback = std::make_shared<CustomCallback>();
    auto sdk = new FubonSDK();
    sdk->register_callback(callback);

    /// More coding ...
    /// ...
    
    return 0;
}

Go

import (
	"encoding/json"
	"fmt"
	"fubon"
	"strings"
)

func main(){

	sdk.OnOrder = func(err *string, data fubon.OrderResult) {
		s, _ := json.MarshalIndent(data, "", "  ")
		fmt.Println("On Order: ", string(s))
		if err != nil {
			fmt.Printf("   Error: %s\n", *err)
		}
	}

	sdk.OnOrderChanged = func(err *string, data fubon.OrderResult) {
		s, _ := json.MarshalIndent(data, "", " ")
		fmt.Println("On Change ", string(s))
		if err != nil {
			fmt.Printf("   Error: %s\n", *err)
		}
	}

	sdk.OnFilled = func(err *string, data fubon.FilledData) {
		s, _ := json.MarshalIndent(data, "", " ")
		fmt.Println("On Filled ", string(s))
		if err != nil {
			fmt.Printf("   Error: %s\n", *err)
		}
	}

	sdk.OnEvent = func(data string, eventType string) {
		fmt.Printf("📡 OnEvent - Type: %s, Data: %s\n", eventType, data)
		if eventType == "disconnect" {
			fmt.Println("⚠️  Connection lost!")
		}
	}

}