// Start is called before the first frame update
void Start()
{
//sioCom is assigned via inspector so no need to initialize it.
//We just fetch the actual Socket.IO instance using its integrated Instance handle and subscribe to the connect event
sioCom.Instance.On("connect", (string data) => {
Debug.Log("LOCAL: Hey, we are connected!");
uiStatus.text = "Socket.IO Connected. Doing work...";
//NOTE: All those emitted and received events (except connect and disconnect) are made to showcase how this asset works. The technical handshake is done automatically.
//First of all we knock at the servers door
//EXAMPLE 1: Sending an event without payload data
sioCom.Instance.Emit("send-message", "holamundo");
});
//The server will respont to our knocking by askin who we are:
//EXAMPLE 2: Listening for an event without payload
sioCom.Instance.On("server-message", (string payload) =>
{
Debug.Log(payload);
//We will always receive a payload object as Socket.IO does not distinguish. In case the server sent nothing (as it will do in this example) the object will be null.
if (payload == null)
{
Debug.Log("RECEIVED a WhosThere event without payload data just as expected.");
}
//As the server just asked for who we are, let's be polite and answer him.
//EXAMPLE 3: Sending an event with payload data
ItsMeData me = new ItsMeData()
{
version = Application.unityVersion
};
sioCom.Instance.Emit("ItsMe", JsonUtility.ToJson(me));
});
//The server will now receive our event and parse the data we sent. Then it will answer with two events.
//EXAMPLE 4: Listening for an event with plain text payload
sioCom.Instance.On("Welcome", (string payload) =>
{
Debug.Log("SERVER: " + payload);
uiGreeting.text = payload;
});
//EXAMPLE 5: Listening for an event with JSON payload
sioCom.Instance.On("TechData", (string payload) =>
{
ServerTechData srv = JsonUtility.FromJson <ServerTechData>(payload);
Debug.Log("Received the POD name from the server. Upadting UI. Oh! It's " + srv.timestamp + " by the way.");
uiPodName.text = "I talked to " + srv.podName;
});
//When the conversation is done, the server will close out connection.
sioCom.Instance.On("disconnect", (string payload) => {
Debug.Log("Disconnected from server.");
uiStatus.text = "Finished. Server closed connection.";
});
//We are now ready to actually connect
sioCom.Instance.Connect();
}
// Start is called before the first frame update
void Start()
{
//sioCom is assigned via inspector so no need to initialize it.
//We just fetch the actual Socket.IO instance using its integrated Instance handle and subscribe to the connect event
sioCom.Instance.On("connect", (string data) => {
Debug.Log("LOCAL: Hey, we are connected!");
uiStatus.text = "Socket.IO Connected. Doing work...";
//NOTE: All those emitted and received events (except connect and disconnect) are made to showcase how this asset works. The technical handshake is done automatically.
//First of all we knock at the servers door
//EXAMPLE 1: Sending an event without payload data
sioCom.Instance.Emit("KnockKnock");
});
//The server will respont to our knocking by askin who we are:
//EXAMPLE 2: Listening for an event without payload
sioCom.Instance.On("WhosThere", (string payload) =>
{
//We will always receive a payload object as Socket.IO does not distinguish. In case the server sent nothing (as it will do in this example) the object will be null.
if (payload == null)
{
Debug.Log("RECEIVED a WhosThere event without payload data just as expected.");
}
//As the server just asked for who we are, let's be polite and answer him.
//EXAMPLE 3: Sending an event with payload data
ItsMeData me = new ItsMeData()
{
version = Application.unityVersion
};
sioCom.Instance.Emit("ItsMe", JsonUtility.ToJson(me), false); //Please note the third parameter which is semi-required if JSON.Net is not installed
});
//The server will now receive our event and parse the data we sent. Then it will answer with two events.
//EXAMPLE 4: Listening for an event with plain text payload
sioCom.Instance.On("Welcome", (string payload) =>
{
Debug.Log("SERVER: " + payload);
uiGreeting.text = payload;
});
//EXAMPLE 5: Listening for an event with JSON Object payload
sioCom.Instance.On("TechData", (string payload) =>
{
ServerTechData srv = JsonUtility.FromJson <ServerTechData>(payload);
Debug.Log("Received the POD name from the server. Upadting UI. Oh! It's " + srv.timestamp + " by the way.");
uiPodName.text = "I talked to " + srv.podName;
//Let's ask for random numbers (example 6 below)
sioCom.Instance.Emit("SendNumbers");
});
//EXAMPLE 6: Listening for an event with JSON Array payload
sioCom.Instance.On("RandomNumbers", (string payload) =>
{
Debug.Log("We received the following JSON payload from the server for example 6: " + payload);
//Please note that unity's JsonUtility is not able to parse JSON arrays. You would need JSON.Net for this task.
//This is how it works - if Json.NET is installed:
#if HAS_JSON_NET
int[] numbers = JsonConvert.DeserializeObject <int[]>(payload);
Debug.Log("Thanks to Json.NET we were able to decode the numbers: " + string.Join(", ", numbers));
#endif
//Send a goodbye to the server
sioCom.Instance.Emit("Goodbye", "Thanks for talking to me!", true); //Please note the third parameter which is semi-required if JSON.Net is not installed
});
//When the conversation is done, the server will close our connection after we said Goodbye
sioCom.Instance.On("disconnect", (string payload) => {
if (payload.Equals("io server disconnect"))
{
Debug.Log("Disconnected from server.");
uiStatus.text = "Finished. Server closed connection.";
}
else
{
Debug.LogWarning("We have been unexpecteldy disconnected. This will cause an automatic reconnect. Reason: " + payload);
}
});
//We are now ready to actually connect
//The simnple way will use the parameters set in the inspector (or with a former call to Connect(...)):
//sioCom.Instance.Connect();
//For this example we will also show how to transmit a token or other data for authentication purposes:
//PLEASE NOTE: You can only transmit primitives using the "authPayload". int, string, float...
SIOAuthPayload auth = new SIOAuthPayload();
auth.AddElement("id", 1234); //The server will access this using socket.handshake.auth.id
auth.AddElement("token", "UnitySample-abc123zyx"); //The server will access this using socket.handshake.auth.token
//You could again use the component config for the target by using
//sioCom.Instance.Connect(auth);
//But the following command shows how you can programmatically connect to any server at any given time - in this case including our previously set auth information
sioCom.Instance.Connect("https://sio-v4-example.unityassets.i01.clu.firesplash.de", false, auth);
}
