createDiscoveryMessage static method
Message should follow this format:
M-SEARCH * HTTP/1.1
HOST: 239.255.255.250:1982
MAN: "ssdp:discover"
ST: wifi_bulb
Implementation
static String createDiscoveryMessage(
InternetAddress internetAddress,
int port,
) {
return 'M-SEARCH * HTTP/1.1\r\n'
'HOST: ${internetAddress.address}:$port\r\n'
'MAN: "ssdp:discover"\r\n'
'ST: wifi_bulb\r\n';
}