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Server discovery bug fixes & error handling improvements

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- Fixed concurrency bug that prevented players from connecting to servers
- Discovery server can restart itself if it crashes
- Added nicer error handling for server discovery.
- Using AWS to get servers external IP address.

Tags: #story[1281]
This commit is contained in:
Michael Rausch
2017-09-27 12:32:17 +13:00
parent 735699dc85
commit daf3867433
12 changed files with 214 additions and 147 deletions
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src/main/java/seng302/visualiser/controllers/ServerListController.java
+48 -43
View File
@@ -5,17 +5,11 @@ import com.jfoenix.controls.JFXDialog;
import com.jfoenix.controls.JFXDialog.DialogTransition;
import com.jfoenix.controls.JFXTextField;
import com.jfoenix.validation.RequiredFieldValidator;
import java.io.IOException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import java.util.ResourceBundle;
import javafx.application.Platform;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.geometry.Pos;
import javafx.scene.control.Alert;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.input.KeyCode;
@@ -23,19 +17,21 @@ import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import seng302.discoveryServer.DiscoveryServer;
import seng302.gameServer.ServerDescription;
import seng302.discoveryServer.util.ServerListing;
import seng302.discoveryServer.DiscoveryServerClient;
import seng302.gameServer.messages.RoomCodeRequest;
import seng302.discoveryServer.util.ServerListing;
import seng302.gameServer.ServerDescription;
import seng302.gameServer.messages.ServerRegistrationMessage;
import seng302.utilities.Sounds;
import seng302.visualiser.ServerListener;
import seng302.visualiser.ServerListenerDelegate;
import seng302.visualiser.controllers.cells.ServerCell;
import seng302.visualiser.controllers.dialogs.DirectConnectController;
import seng302.visualiser.validators.HostNameFieldValidator;
import seng302.visualiser.validators.NumberRangeValidator;
import seng302.visualiser.validators.ValidationTools;
import java.io.IOException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import java.util.ResourceBundle;
public class ServerListController implements Initializable, ServerListenerDelegate {
@@ -90,6 +86,8 @@ public class ServerListController implements Initializable, ServerListenerDelega
Sounds.playButtonClick();
});
directConnectDialog = createDirectConnectDialog();
for (JFXTextField textField : Arrays.asList(roomNumber)) {
// Event for pressing enter to submit direct connection
textField.setOnKeyPressed(event -> {
@@ -105,26 +103,26 @@ public class ServerListController implements Initializable, ServerListenerDelega
}
autoSelectGame.setOnMouseReleased(e -> {
try {
ServerListing listing = new DiscoveryServerClient().getRandomServer();
ServerListing listing;
DiscoveryServerClient client = new DiscoveryServerClient();
if (listing == null){
Alert alert = new Alert(Alert.AlertType.ERROR);
alert.setHeaderText("Error finding game");
alert.setContentText("No servers are up");
alert.showAndWait();
}
else{
ViewManager.getInstance().getGameClient().runAsClient(listing.getAddress(), listing.getPortNumber());
}
try {
listing = client.getRandomServer();
} catch (Exception e1) {
e1.printStackTrace();
logger.error("Error getting listing");
Alert alert = new Alert(Alert.AlertType.ERROR);
alert.setHeaderText("Error finding game");
alert.setContentText("Couldn't contact matchmaking server");
alert.showAndWait();
ViewManager.getInstance().showErrorSnackBar("Unable to connect to matchmaking server. Are you connected to the internet?");
return;
}
if (client.didFail()){
return;
}
if (listing == null || listing.equals(ServerRegistrationMessage.getEmptyRegistration())) {
ViewManager.getInstance().showErrorSnackBar("There are currently no servers available for you to connect to.");
return;
}
ViewManager.getInstance().getGameClient().runAsClient(listing.getAddress(), listing.getPortNumber());
});
/*
@@ -186,9 +184,6 @@ public class ServerListController implements Initializable, ServerListenerDelega
e.printStackTrace();
logger.warn("Could not create Server Creation Dialog.");
}
directConnectDialog = createDirectConnectDialog();
});
}
@@ -235,20 +230,30 @@ public class ServerListController implements Initializable, ServerListenerDelega
}
private void connectToRoomCode(String roomCode){
DiscoveryServerClient client = new DiscoveryServerClient();
ServerListing serverListing;
if (client.didFail()){
return;
}
try {
serverListing = client.getServerForRoomCode(roomCode);
} catch (Exception e) {
ViewManager.getInstance().showErrorSnackBar("Error connecting to matchmaking server. Please try again later.");
return;
}
if (serverListing == null || serverListing.equals(new ServerListing("","","", 0, 0))){
ViewManager.getInstance().showErrorSnackBar("No servers could be found with that room code.");
return;
}
try {
ServerListing serverListing = new DiscoveryServerClient().getServerForRoomCode(roomCode);
ViewManager.getInstance().getGameClient().runAsClient(serverListing.getAddress(), serverListing.getPortNumber());
}
catch (java.net.ConnectException e){
//TODO Add proper dialog
logger.warn("Couldn't connect to discovery server");
Alert alert = new Alert(Alert.AlertType.ERROR);
alert.setHeaderText("Couldn't connect to discovery server");
alert.setContentText("Couldn't connect to " + DiscoveryServer.DISCOVERY_SERVER);
alert.showAndWait();
}
catch (Exception e) {
logger.warn("Error discovering room code");
ViewManager.getInstance().showErrorSnackBar("Error connecting to matchmaking service.");
}
}