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set EIO to version 4 in SocketIO examples

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see #682
This commit is contained in:
Links
2021-06-17 19:42:09 +02:00
parent a14b6b73b4
commit 72aae52655
2 changed files with 9 additions and 9 deletions
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12
examples/esp8266/WebSocketClientSocketIOack/WebSocketClientSocketIOack.ino
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@ -49,7 +49,7 @@ void socketIOEvent(socketIOmessageType_t type, uint8_t * payload, size_t length)
USE_SERIAL.println(error.c_str());
return;
}
String eventName = doc[0];
USE_SERIAL.printf("[IOc] event name: %s\n", eventName.c_str());
@ -58,7 +58,7 @@ void socketIOEvent(socketIOmessageType_t type, uint8_t * payload, size_t length)
// creat JSON message for Socket.IO (ack)
DynamicJsonDocument docOut(1024);
JsonArray array = docOut.to<JsonArray>();
// add payload (parameters) for the ack (callback function)
JsonObject param1 = array.createNestedObject();
param1["now"] = millis();
@ -68,7 +68,7 @@ void socketIOEvent(socketIOmessageType_t type, uint8_t * payload, size_t length)
output += id;
serializeJson(docOut, output);
// Send event
// Send event
socketIO.send(sIOtype_ACK, output);
}
}
@ -125,7 +125,7 @@ void setup() {
USE_SERIAL.printf("[SETUP] WiFi Connected %s\n", ip.c_str());
// server address, port and URL
socketIO.begin("10.11.100.100", 8880);
socketIO.begin("10.11.100.100", 8880, "/socket.io/?EIO=4");
// event handler
socketIO.onEvent(socketIOEvent);
@ -143,7 +143,7 @@ void loop() {
// creat JSON message for Socket.IO (event)
DynamicJsonDocument doc(1024);
JsonArray array = doc.to<JsonArray>();
// add evnet name
// Hint: socket.on('event_name', ....
array.add("event_name");
@ -156,7 +156,7 @@ void loop() {
String output;
serializeJson(doc, output);
// Send event
// Send event
socketIO.sendEVENT(output);
// Print JSON for debugging