Centralina Web per inverter ABB (Power One) Aurora: WebSocket e Web Server – 7

bool handleFileRead(String path){  // send the right file to the client (if it exists)
  DEBUG_PRINT(F("handleFileRead: "));
  DEBUG_PRINTLN(path);

  if(path.endsWith("/")) path += F("index.html");           // If a folder is requested, send the index file
  String contentType = getContentType(path);             // Get the MIME type
  String pathWithGz = path + F(".gz");
  if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){  // If the file exists, either as a compressed archive, or normal
    if(SPIFFS.exists(pathWithGz))                          // If there's a compressed version available
      path += F(".gz");                                         // Use the compressed version
    fs::File file = SPIFFS.open(path, "r");                    // Open the file
    size_t sent = httpServer.streamFile(file, contentType);    // Send it to the client
    file.close();                                          // Close the file again
    DEBUG_PRINTLN(String(F("\tSent file: ")) + path + String(F(" of size ")) + sent);
    return true;
  }
  DEBUG_PRINTLN(String(F("\tFile Not Found: ")) + path);
  return false;                                          // If the file doesn't exist, return false
}

void streamFile(const String filename){
	if (SPIFFS.exists(filename)){
		fs::File fileToStream = SPIFFS.open(filename, "r");
		if (fileToStream){
			if (fileToStream.available()){
				DEBUG_PRINT(F("Stream file..."));
				const String appContext = getContentType(filename);
				httpRestServer.streamFile(fileToStream, appContext);
				DEBUG_PRINTLN(F("done."));
			}else{
				DEBUG_PRINTLN(F("Data not available!"));
				httpRestServer.send(204, F("text/html"), F("Data not available!"));
			}
			fileToStream.close();
		}else{
			DEBUG_PRINTLN(F("File not found!"));
			httpRestServer.send(204, "text/html", "No content found!");
		}
	}else{
		DEBUG_PRINTLN(F("File not found!"));
		httpRestServer.send(204, "text/html", "File not exist!");
	}
}

String getContentType(String filename){
  if(filename.endsWith(F(".htm"))) 		return F("text/html");
  else if(filename.endsWith(F(".html"))) 	return F("text/html");
  else if(filename.endsWith(F(".css"))) 	return F("text/css");
  else if(filename.endsWith(F(".js"))) 	return F("application/javascript");
  else if(filename.endsWith(F(".json"))) 	return F("application/json");
  else if(filename.endsWith(F(".png"))) 	return F("image/png");
  else if(filename.endsWith(F(".gif"))) 	return F("image/gif");
  else if(filename.endsWith(F(".jpg"))) 	return F("image/jpeg");
  else if(filename.endsWith(F(".ico"))) 	return F("image/x-icon");
  else if(filename.endsWith(F(".xml"))) 	return F("text/xml");
  else if(filename.endsWith(F(".pdf"))) 	return F("application/x-pdf");
  else if(filename.endsWith(F(".zip"))) 	return F("application/x-zip");
  else if(filename.endsWith(F(".gz"))) 	return F("application/x-gzip");
  return F("text/plain");
}

void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {

    switch(type) {
        case WStype_DISCONNECTED:
			webSocket.sendTXT(num, "{\"connection\": false}");

            DEBUG_PRINT(F(" Disconnected "));
            DEBUG_PRINTLN(num, DEC);

//            DEBUG_PRINTF_AI(F("[%u] Disconnected!\n"), num);
            break;
        case WStype_CONNECTED:
            {
                IPAddress ip = webSocket.remoteIP(num);
//                DEBUG_PRINTF_AI(F("[%u] Connected from %d.%d.%d.%d url: %s\n"), num, ip[0], ip[1], ip[2], ip[3], payload);

                DEBUG_PRINT(num);
                DEBUG_PRINT(F("Connected from: "));
                DEBUG_PRINT(ip.toString());
                DEBUG_PRINT(F(" "));
                DEBUG_PRINTLN((char*)payload);

				// send message to client
				webSocket.sendTXT(num, "{\"connection\": true}");
            }
            break;
        case WStype_TEXT:
//        	DEBUG_PRINTF_AI(F("[%u] get Text: %s\n"), num, payload);

            // send message to client
            // webSocket.sendTXT(num, "message here");

            // send data to all connected clients
            // webSocket.broadcastTXT("message here");
            break;
        case WStype_BIN:
//        	DEBUG_PRINTF_AI(F("[%u] get binary length: %u\n"), num, length);
            hexdump(payload, length);

            // send message to client
            // webSocket.sendBIN(num, payload, length);
            break;
        case WStype_ERROR:
        case WStype_FRAGMENT_TEXT_START:
        case WStype_FRAGMENT_BIN_START:
        case WStype_FRAGMENT:
        case WStype_FRAGMENT_FIN:
        case WStype_PING:
        case WStype_PONG:

//        	DEBUG_PRINTF_AI(F("[%u] get binary length: %u\n"), num, length);
        	DEBUG_PRINT(F("WS : "))
        	DEBUG_PRINT(type)
        	DEBUG_PRINT(F(" - "))
			DEBUG_PRINTLN((char*)payload);

            // send message to client
            // webSocket.sendBIN(num, payload, length);
            break;
    }

}

		webSocket.broadcastTXT(buf);