private boolean sendInfectionMessage(boolean entering) {
if (mqttClient != null && mqttClient.isConnected()) {
try {
JSONArray a = gameDatabase.findAllVirusDataAsJson();
JSONObject o = new JSONObject();
if (entering) o.put("entering", currentTopic);
o.put("sender", clientId);
o.put("viruses", a);
String payload = o.toString();
Log.d(LOG_TAG, "publishing to " + currentTopic + ": " + payload);
IMqttDeliveryToken token =
mqttClient.publish(currentTopic, new MqttMessage(payload.getBytes()));
token.setActionCallback(
new IMqttActionListener() {
@Override
public void onSuccess(IMqttToken asyncActionToken) {
sendEnterMessage = false;
}
@Override
public void onFailure(IMqttToken asyncActionToken, Throwable exception) {}
});
return true;
} catch (MqttException e) {
//
} catch (JSONException e) {
Log.e(LOG_TAG, "JSONException", e);
}
}
return false;
}
// region LocationListener
@Override
public void onLocationChanged(Location location) {
String msg =
String.format(
"{\"id\":\"%s\",\"x\":%.9f,\"y\":%.9f}",
id, location.getLongitude(), location.getLatitude());
try {
client.publish("Likaci/MqttMap", msg.getBytes(), 0, false);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onSuccess(IMqttToken asyncActionToken) {
Log.d(TAG, "onSuccess");
try {
MqttMessage message = new MqttMessage(new String(client.getClientId()).getBytes());
message.setQos(qos);
message.setRetained(true);
client.publish("/users", message);
client.subscribe("/users", qos);
} catch (MqttException e) {
e.printStackTrace();
}
}
public void publish(String topic, byte[] payload) {
if (androidClient.isConnected()) {
try {
androidClient.publish(topic, payload, qualityOfService, false);
} catch (MqttPersistenceException e) {
Log.i(DEBUG_TAG, e.getLocalizedMessage());
} catch (MqttException e) {
Log.i(DEBUG_TAG, e.getLocalizedMessage());
}
} else {
Log.i(DEBUG_TAG, "Could not publish. Client is not connected. Please connect first.");
}
}
