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Merge pull request #46 from informatik-ag-ngl/f/groupMessages

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Group Messages
This commit is contained in:
Kai S. K. Engelbart 2020-07-08 19:16:45 +00:00 committed by GitHub
commit e27772b531
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17 changed files with 287 additions and 153 deletions
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2
src/main/java/envoy/server/Startup.java
View File

@ -62,8 +62,10 @@ public class Startup {
final Server server = new Server(8080, ObjectMessageReader::new,
new ObjectMessageProcessor(Set.of(new LoginCredentialProcessor(),
new MessageProcessor(),
new GroupMessageProcessor(),
new GroupCreationProcessor(),
new MessageStatusChangeProcessor(),
new GroupMessageStatusChangeProcessor(),
new UserStatusChangeProcessor(),
new IDGeneratorRequestProcessor(),
new ContactSearchProcessor(),

34
src/main/java/envoy/server/data/GroupMessage.java
View File

@ -1,6 +1,7 @@
package envoy.server.data;
import java.util.Date;
import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.*;
@ -16,14 +17,29 @@ import envoy.data.Group;
* @since Envoy Server Standalone v0.1-beta
*/
@Entity
@NamedQuery(
name = GroupMessage.getPendingGroupMsg,
query = "SELECT m FROM GroupMessage m JOIN m.memberMessageStatus s WHERE (KEY(s) = :userId) AND ((m.creationDate > :lastSeen)"
+ "OR ((m.status = envoy.data.Message$MessageStatus.RECEIVED) AND (m.receivedDate > :lastSeen))"
+ "OR ((m.status = envoy.data.Message$MessageStatus.READ) AND (m.readDate > :lastSeen))"
+ "OR ((m.lastStatusChangeDate > :lastSeen)))"
)
public class GroupMessage extends Message {
/**
* Named query retrieving pending group messages sent to a group containing a
* specific user (parameter {@code userId}) that were sent after a certain time
* stamp (parameter {@code :lastSeen}).
*
* @since Envoy Server Standalone v0.1-beta
*/
public static final String getPendingGroupMsg = "GroupMessage.getPendingGroupMsg";
@ElementCollection
private Map<Long, envoy.data.Message.MessageStatus> memberMessageStatus;
@Column(name = "last_status_change_date")
@Temporal(TemporalType.TIMESTAMP)
protected Date lastStatusChangeDate;
protected LocalDateTime lastStatusChangeDate;
/**
* The constructor for a database object.
@ -38,12 +54,12 @@ public class GroupMessage extends Message {
* @param groupMessage the {@link envoy.data.GroupMessage} to convert
* into a
* database {@link GroupMessage}
* @param lastStatusChangeDate the {@link Date} to set
* @param lastStatusChangeDate the time stamp to set
* @since Envoy Server Standalone v0.1-beta
*/
public GroupMessage(envoy.data.GroupMessage groupMessage, Date lastStatusChangeDate) {
public GroupMessage(envoy.data.GroupMessage groupMessage, LocalDateTime lastStatusChangeDate) {
super(groupMessage);
memberMessageStatus = groupMessage.getMemberStatuses();
memberMessageStatus = groupMessage.getMemberStatuses();
this.lastStatusChangeDate = lastStatusChangeDate;
}
@ -57,7 +73,7 @@ public class GroupMessage extends Message {
*/
@Override
public envoy.data.GroupMessage toCommon() {
return prepareBuilder().buildGroupMessage((Group) recipient.toCommon(), memberMessageStatus);
return prepareBuilder().buildGroupMessage((Group) recipient.toCommon(), new HashMap<>(memberMessageStatus));
}
/**
@ -78,11 +94,11 @@ public class GroupMessage extends Message {
* @return the date at which one of the member statuses changed last
* @since Envoy Server Standalone v0.1-beta
*/
public Date getLastStatusChangeDate() { return lastStatusChangeDate; }
public LocalDateTime getLastStatusChangeDate() { return lastStatusChangeDate; }
/**
* @param date the date to set
* @since Envoy Server Standalone v0.1-beta
*/
public void setLastStatusChangeDate(Date date) { lastStatusChangeDate = date; }
public void setLastStatusChangeDate(LocalDateTime date) { lastStatusChangeDate = date; }
}

16
src/main/java/envoy/server/data/PersistenceManager.java
View File

@ -194,6 +194,22 @@ public class PersistenceManager {
.getResultList();
}
/**
* Returns all groupMessages received while being offline or the ones that have
* changed.
*
* @param user the user who wants to receive his unread groupMessages
* @return all groupMessages that the client does not yet have (unread
* groupMessages)
* @since Envoy Server Standalone v0.1-alpha
*/
public List<GroupMessage> getPendingGroupMessages(User user) {
return entityManager.createNamedQuery(GroupMessage.getPendingGroupMsg)
.setParameter("userId", user.getID())
.setParameter("lastSeen", user.getLastSeen())
.getResultList();
}
/**
* Searches for users matching a search phrase. Contacts of the attached user
* and the attached user is ignored.

4
src/main/java/envoy/server/net/ConnectionManager.java
View File

@ -50,7 +50,7 @@ public class ConnectionManager implements ISocketIdListener {
public void socketCancelled(long socketID) {
if (!pendingSockets.remove(socketID)) {
// Notify contacts of this users offline-going
envoy.server.data.User user = PersistenceManager.getInstance().getUserByID(getUserIdBySocketID(socketID));
envoy.server.data.User user = PersistenceManager.getInstance().getUserByID(getUserIDBySocketID(socketID));
user.setStatus(UserStatus.OFFLINE);
user.setLastSeen(LocalDateTime.now());
UserStatusChangeProcessor.updateUserStatus(user);
@ -87,7 +87,7 @@ public class ConnectionManager implements ISocketIdListener {
* @return the userId associated with this socketId
* @since Envoy Server Standalone v0.1-alpha
*/
public long getUserIdBySocketID(long socketID) {
public long getUserIDBySocketID(long socketID) {
return sockets.entrySet().stream().filter(entry -> entry.getValue().equals(socketID)).findFirst().get().getKey();
}

5
src/main/java/envoy/server/net/ObjectMessageProcessor.java
View File

@ -4,6 +4,7 @@ import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.jenkov.nioserver.IMessageProcessor;
@ -50,11 +51,11 @@ public class ObjectMessageProcessor implements IMessageProcessor {
logger.fine("Received " + obj);
// Process object
processors.stream().filter(p -> p.getInputClass().isInstance(obj)).forEach((@SuppressWarnings("rawtypes") ObjectProcessor p) -> {
processors.stream().filter(p -> p.getInputClass().equals(obj.getClass())).forEach((@SuppressWarnings("rawtypes") ObjectProcessor p) -> {
try {
p.process(p.getInputClass().cast(obj), message.socketId, new ObjectWriteProxy(writeProxy));
} catch (IOException e) {
e.printStackTrace();
logger.log(Level.SEVERE, "Exception during processor execution: ", e);
}
});
} catch (IOException | ClassNotFoundException e) {

50
src/main/java/envoy/server/net/ObjectWriteProxy.java
View File

@ -1,11 +1,14 @@
package envoy.server.net;
import java.io.IOException;
import java.util.Set;
import java.util.logging.Logger;
import java.util.stream.Stream;
import com.jenkov.nioserver.Message;
import com.jenkov.nioserver.WriteProxy;
import envoy.server.data.Contact;
import envoy.util.EnvoyLog;
import envoy.util.SerializationUtils;
@ -23,7 +26,8 @@ public class ObjectWriteProxy {
private final WriteProxy writeProxy;
private static final Logger logger = EnvoyLog.getLogger(ObjectWriteProxy.class);
private static final ConnectionManager connectionManager = ConnectionManager.getInstance();
private static final Logger logger = EnvoyLog.getLogger(ObjectWriteProxy.class);
/**
* Creates an instance of {@link ObjectWriteProxy}.
@ -36,23 +40,49 @@ public class ObjectWriteProxy {
/**
* @param recipientSocketID the socket id of the recipient
* @param obj the object to return to the client
* @throws IOException if the serialization of the object failed
* @throws RuntimeException if the serialization of the object failed (this is
* highly unlikely)
* @since Envoy Server Standalone v0.1-alpha
*/
public void write(long recipientSocketID, Object obj) throws IOException {
public void write(long recipientSocketID, Object obj) {
// Create message targeted at the client
final Message response = writeProxy.getMessage();
response.socketId = recipientSocketID;
logger.fine("Sending " + obj);
// Serialize object to byte array
final byte[] objBytes = SerializationUtils.writeToByteArray(obj);
try {
// Acquire object length in bytes
final byte[] objLen = SerializationUtils.intToBytes(objBytes.length);
// Serialize object to byte array
final byte[] objBytes = SerializationUtils.writeToByteArray(obj);
response.writeToMessage(objLen);
response.writeToMessage(objBytes);
writeProxy.enqueue(response);
// Acquire object length in bytes
final byte[] objLen = SerializationUtils.intToBytes(objBytes.length);
response.writeToMessage(objLen);
response.writeToMessage(objBytes);
writeProxy.enqueue(response);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* Sends an object to all contact in a set that are online.
*
* @param contacts the contacts to send the object to
* @param message the object to send
* @since Envoy Server Standalone v0.1-beta
*/
public void writeToOnlineContacts(Set<? extends Contact> contacts, Object message) { writeToOnlineContacts(contacts.stream(), message); }
/**
* Sends an object to all contact in a set that are online.
*
* @param contacts the contacts to send the object to
* @param message the object to send
* @since Envoy Server Standalone v0.1-beta
*/
public void writeToOnlineContacts(Stream<? extends Contact> contacts, Object message) {
contacts.map(Contact::getID).filter(connectionManager::isOnline).map(connectionManager::getSocketID).forEach(id -> write(id, message));
}
}

7
src/main/java/envoy/server/processors/ContactOperationProcessor.java
View File

@ -1,6 +1,5 @@
package envoy.server.processors;
import java.io.IOException;
import java.util.logging.Logger;
import envoy.event.ElementOperation;
@ -24,10 +23,10 @@ public class ContactOperationProcessor implements ObjectProcessor<ContactOperati
private static final Logger logger = EnvoyLog.getLogger(ContactOperationProcessor.class);
@Override
public void process(ContactOperation evt, long socketId, ObjectWriteProxy writeProxy) throws IOException {
public void process(ContactOperation evt, long socketId, ObjectWriteProxy writeProxy) {
switch (evt.getOperationType()) {
case ADD:
final long userID = ConnectionManager.getInstance().getUserIdBySocketID(socketId);
final long userID = ConnectionManager.getInstance().getUserIDBySocketID(socketId);
final long contactId = evt.get().getID();
logger.fine(String.format("Adding user %s to the contact list of user %d.%n", evt.get(), userID));
@ -39,7 +38,7 @@ public class ContactOperationProcessor implements ObjectProcessor<ContactOperati
new ContactOperation(PersistenceManager.getInstance().getUserByID(userID).toCommon(), ElementOperation.ADD));
break;
default:
logger.warning(String.format("Received %s with an unsupported operation.%n", evt));
logger.warning(String.format("Received %s with an unsupported operation.", evt));
}
}

2
src/main/java/envoy/server/processors/ContactSearchProcessor.java
View File

@ -33,7 +33,7 @@ public class ContactSearchProcessor implements ObjectProcessor<ContactSearchRequ
public void process(ContactSearchRequest request, long socketID, ObjectWriteProxy writeProxy) throws IOException {
writeProxy.write(socketID,
new ContactSearchResult(PersistenceManager.getInstance()
.searchUsers(request.get(), ConnectionManager.getInstance().getUserIdBySocketID(socketID))
.searchUsers(request.get(), ConnectionManager.getInstance().getUserIDBySocketID(socketID))
.stream()
.map(User::toCommon)
.collect(Collectors.toList())));

15
src/main/java/envoy/server/processors/GroupCreationProcessor.java
View File

@ -1,6 +1,5 @@
package envoy.server.processors;
import java.io.IOException;
import java.util.HashSet;
import envoy.event.ElementOperation;
@ -25,27 +24,21 @@ public class GroupCreationProcessor implements ObjectProcessor<GroupCreation> {
private final ConnectionManager connectionManager = ConnectionManager.getInstance();
@Override
public void process(GroupCreation groupCreation, long socketID, ObjectWriteProxy writeProxy) throws IOException {
public void process(GroupCreation groupCreation, long socketID, ObjectWriteProxy writeProxy) {
envoy.server.data.Group group = new envoy.server.data.Group();
group.setName(groupCreation.get());
group.setContacts(new HashSet<>());
groupCreation.getInitialMemberIDs().stream().map(persistenceManager::getUserByID).forEach(group.getContacts()::add);
group.getContacts().add(persistenceManager.getContactByID(connectionManager.getUserIdBySocketID(socketID)));
group.getContacts().add(persistenceManager.getContactByID(connectionManager.getUserIDBySocketID(socketID)));
group.getContacts().forEach(c -> c.getContacts().add(group));
group.getContacts().add(persistenceManager.getUserByID(connectionManager.getUserIdBySocketID(socketID)));
group.getContacts().add(persistenceManager.getUserByID(connectionManager.getUserIDBySocketID(socketID)));
persistenceManager.addContact(group);
group.getContacts()
.stream()
.map(Contact::getID)
.filter(connectionManager::isOnline)
.map(connectionManager::getSocketID)
.forEach(memberSocketID -> {
try {
writeProxy.write(memberSocketID, new ContactOperation(group.toCommon(), ElementOperation.ADD));
} catch (IOException e) {
e.printStackTrace();
}
});
.forEach(memberSocketID -> writeProxy.write(memberSocketID, new ContactOperation(group.toCommon(), ElementOperation.ADD)));
}
@Override

56
src/main/java/envoy/server/processors/GroupMessageProcessor.java
View File

@ -1,13 +1,15 @@
package envoy.server.processors;
import java.io.IOException;
import java.util.Date;
import static envoy.data.Message.MessageStatus.*;
import java.time.LocalDateTime;
import java.util.Collections;
import java.util.logging.Logger;
import javax.persistence.EntityExistsException;
import envoy.data.GroupMessage;
import envoy.data.Message.MessageStatus;
import envoy.event.MessageStatusChange;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectWriteProxy;
@ -23,45 +25,43 @@ import envoy.util.EnvoyLog;
*/
public class GroupMessageProcessor implements ObjectProcessor<GroupMessage> {
private static final Logger logger = EnvoyLog.getLogger(GroupCreationProcessor.class);
private static final ConnectionManager connectionManager = ConnectionManager.getInstance();
private static final PersistenceManager persistenceManager = PersistenceManager.getInstance();
private static final Logger logger = EnvoyLog.getLogger(GroupCreationProcessor.class);
@Override
public void process(GroupMessage groupMessage, long socketID, ObjectWriteProxy writeProxy) {
groupMessage.nextStatus();
ConnectionManager connectionManager = ConnectionManager.getInstance();
final var members = PersistenceManager.getInstance().getGroupByID(groupMessage.getRecipientID()).getContacts();
groupMessage.getMemberStatuses().replaceAll((id, oldStatus) -> MessageStatus.SENT);
members.forEach(user -> setMemberStatus(connectionManager, groupMessage, user.getID()));
// Update statuses to SENT / RECEIVED depending on online status
groupMessage.getMemberStatuses().replaceAll((memberID, status) -> connectionManager.isOnline(memberID) ? RECEIVED : SENT);
// Checks if all memberMessageStatuses are RECEIVED and if so sets the
// groupMessage Status to RECEIVED.
// Set status for sender to READ
groupMessage.getMemberStatuses().replace(groupMessage.getSenderID(), READ);
members.forEach(user -> { sendToMember(connectionManager, groupMessage, user.getID(), writeProxy); });
// Increment the overall status to RECEIVED if necessary
if (Collections.min(groupMessage.getMemberStatuses().values()) == RECEIVED) {
groupMessage.nextStatus();
// Notify the sender of the status change
writeProxy.write(socketID, new MessageStatusChange(groupMessage));
}
// Deliver the message to the recipients that are online
writeProxy.writeToOnlineContacts(
persistenceManager.getGroupByID(groupMessage.getRecipientID())
.getContacts()
.stream()
.filter(c -> c.getID() != groupMessage.getSenderID()),
groupMessage);
try {
PersistenceManager.getInstance().addMessage(new envoy.server.data.GroupMessage(groupMessage, new Date()));
PersistenceManager.getInstance().addMessage(new envoy.server.data.GroupMessage(groupMessage, LocalDateTime.now()));
} catch (EntityExistsException e) {
logger.warning("Received a groupMessage with an ID that already exists");
}
}
private void sendToMember(ConnectionManager connectionManager, GroupMessage groupMessage, long memberID, ObjectWriteProxy writeProxy) {
if (connectionManager.isOnline(memberID)) try {
// If recipient is online, send the groupMessage directly
writeProxy.write(connectionManager.getSocketID(memberID), groupMessage);
} catch (IOException e) {
logger.warning("Recipient online. Failed to send message" + groupMessage.getID());
e.printStackTrace();
}
}
private void setMemberStatus(ConnectionManager connectionManager, GroupMessage groupMessage, long memberID) {
if (connectionManager.isOnline(memberID))
// Update the message status of the member to RECEIVED
groupMessage.getMemberStatuses().replace(memberID, MessageStatus.RECEIVED);
}
@Override
public Class<GroupMessage> getInputClass() { return GroupMessage.class; }
}

69
src/main/java/envoy/server/processors/GroupMessageStatusChangeProcessor.java Normal file
View File

@ -0,0 +1,69 @@
package envoy.server.processors;
import static envoy.data.Message.MessageStatus.READ;
import java.time.LocalDateTime;
import java.util.Collections;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.data.Message.MessageStatus;
import envoy.event.GroupMessageStatusChange;
import envoy.event.MessageStatusChange;
import envoy.server.data.GroupMessage;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectWriteProxy;
import envoy.util.EnvoyLog;
/**
* Project: <strong>envoy-server-standalone</strong><br>
* File: <strong>GroupMessageStatusChangeProcessor.java</strong><br>
* Created: <strong>03.07.2020</strong><br>
*
* @author Maximilian K&auml;fer
* @since Envoy Server Standalone v0.1-beta
*/
public class GroupMessageStatusChangeProcessor implements ObjectProcessor<GroupMessageStatusChange> {
private static final ConnectionManager connectionManager = ConnectionManager.getInstance();
private static final PersistenceManager persistenceManager = PersistenceManager.getInstance();
private static final Logger logger = EnvoyLog.getLogger(MessageStatusChangeProcessor.class);
@Override
public void process(GroupMessageStatusChange statusChange, long socketID, ObjectWriteProxy writeProxy) {
GroupMessage gmsg = (GroupMessage) persistenceManager.getMessageByID(statusChange.getID());
// Any other status than READ is not supposed to be sent to the server
if (statusChange.get() != MessageStatus.READ) {
logger.log(Level.WARNING, "Invalid " + statusChange);
return;
}
// Apply the status change
gmsg.getMemberMessageStatus().replace(statusChange.getMemberID(), statusChange.get());
gmsg.setLastStatusChangeDate(LocalDateTime.now());
// Notifying the other members about the status change
final var userID = connectionManager.getUserIDBySocketID(socketID);
gmsg.getMemberMessageStatus()
.keySet()
.stream()
.filter(k -> userID != k)
.filter(connectionManager::isOnline)
.forEach(k -> writeProxy.write(connectionManager.getSocketID(k), statusChange));
// Increment overall status to READ if necessary
if (Collections.min(gmsg.getMemberMessageStatus().values()) == READ) {
gmsg.read();
// Notify online members about the status change
writeProxy.writeToOnlineContacts(gmsg.getRecipient().getContacts(),
new MessageStatusChange(gmsg.getID(), gmsg.getStatus(), LocalDateTime.now()));
}
persistenceManager.updateMessage(gmsg);
}
@Override
public Class<GroupMessageStatusChange> getInputClass() { return GroupMessageStatusChange.class; }
}

12
src/main/java/envoy/server/processors/GroupResizeProcessor.java
View File

@ -1,7 +1,5 @@
package envoy.server.processors;
import java.io.IOException;
import envoy.event.GroupResize;
import envoy.server.data.Contact;
import envoy.server.data.PersistenceManager;
@ -22,7 +20,7 @@ public class GroupResizeProcessor implements ObjectProcessor<GroupResize> {
private static final ConnectionManager connectionManager = ConnectionManager.getInstance();
@Override
public void process(GroupResize groupResize, long socketID, ObjectWriteProxy writeProxy) throws IOException {
public void process(GroupResize groupResize, long socketID, ObjectWriteProxy writeProxy) {
// Acquire the group to resize from the database
var group = persistenceManager.getGroupByID(groupResize.getGroupID());
@ -47,13 +45,7 @@ public class GroupResizeProcessor implements ObjectProcessor<GroupResize> {
.map(Contact::getID)
.filter(connectionManager::isOnline)
.map(connectionManager::getSocketID)
.forEach(memberSocketID -> {
try {
writeProxy.write(memberSocketID, commonGroup);
} catch (IOException e) {
e.printStackTrace();
}
});
.forEach(memberSocketID -> writeProxy.write(memberSocketID, commonGroup));
}
@Override

94
src/main/java/envoy/server/processors/LoginCredentialProcessor.java
View File

@ -1,20 +1,20 @@
package envoy.server.processors;
import static envoy.data.Message.MessageStatus.*;
import static envoy.data.User.UserStatus.ONLINE;
import static envoy.event.HandshakeRejection.*;
import java.io.IOException;
import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.HashSet;
import java.util.*;
import java.util.logging.Logger;
import javax.persistence.NoResultException;
import envoy.data.LoginCredentials;
import envoy.data.Message.MessageStatus;
import envoy.event.GroupMessageStatusChange;
import envoy.event.HandshakeRejection;
import envoy.event.MessageStatusChange;
import envoy.server.data.GroupMessage;
import envoy.server.data.PersistenceManager;
import envoy.server.data.User;
import envoy.server.net.ConnectionManager;
@ -42,7 +42,7 @@ public final class LoginCredentialProcessor implements ObjectProcessor<LoginCred
private static final Logger logger = EnvoyLog.getLogger(LoginCredentialProcessor.class);
@Override
public void process(LoginCredentials credentials, long socketID, ObjectWriteProxy writeProxy) throws IOException {
public void process(LoginCredentials credentials, long socketID, ObjectWriteProxy writeProxy) {
// Cache this write proxy for user-independant notifications
UserStatusChangeProcessor.setWriteProxy(writeProxy);
@ -83,25 +83,25 @@ public final class LoginCredentialProcessor implements ObjectProcessor<LoginCred
writeProxy.write(socketID, new HandshakeRejection(INTERNAL_ERROR));
return;
}
try {
// Checking that no user already has this identifier
PersistenceManager.getInstance().getUserByName(credentials.getIdentifier());
try {
// Checking that no user already has this identifier
PersistenceManager.getInstance().getUserByName(credentials.getIdentifier());
// This code only gets executed if this user already exists
logger.info("The requested user already exists.");
writeProxy.write(socketID, new HandshakeRejection(USERNAME_TAKEN));
return;
} catch (NoResultException e) {
// Creation of a new user
user = new User();
user.setName(credentials.getIdentifier());
user.setLastSeen(LocalDateTime.now());
user.setStatus(ONLINE);
user.setPasswordHash(credentials.getPasswordHash());
user.setContacts(new HashSet<>());
persistenceManager.addContact(user);
logger.info("Registered new " + user);
}
// This code only gets executed if this user already exists
logger.info("The requested user already exists.");
writeProxy.write(socketID, new HandshakeRejection(USERNAME_TAKEN));
return;
} catch (NoResultException e) {
// Creation of a new user
user = new User();
user.setName(credentials.getIdentifier());
user.setLastSeen(LocalDateTime.now());
user.setStatus(ONLINE);
user.setPasswordHash(credentials.getPasswordHash());
user.setContacts(new HashSet<>());
persistenceManager.addContact(user);
logger.info("Registered new " + user);
}
}
logger.info(user + " successfully authenticated.");
@ -115,11 +115,12 @@ public final class LoginCredentialProcessor implements ObjectProcessor<LoginCred
writeProxy.write(socketID, user.toCommon());
final var pendingMessages = PersistenceManager.getInstance().getPendingMessages(user);
pendingMessages.removeIf(GroupMessage.class::isInstance);
logger.fine("Sending " + pendingMessages.size() + " pending messages to " + user + "...");
for (var msg : pendingMessages) {
final var msgCommon = msg.toCommon();
if (msg.getStatus() == MessageStatus.SENT) {
if (msg.getStatus() == SENT) {
// Send the message
writeProxy.write(socketID, msgCommon);
@ -133,6 +134,51 @@ public final class LoginCredentialProcessor implements ObjectProcessor<LoginCred
}
} else writeProxy.write(socketID, new MessageStatusChange(msgCommon));
}
List<GroupMessage> pendingGroupMessages = PersistenceManager.getInstance().getPendingGroupMessages(user);
logger.fine("Sending " + pendingGroupMessages.size() + " pending group messages to " + user + "...");
for (var gmsg : pendingGroupMessages) {
final var gmsgCommon = gmsg.toCommon();
// Deliver the message to the user if he hasn't received it yet
if (gmsg.getMemberMessageStatus().get(user.getID()) == SENT) {
gmsg.getMemberMessageStatus().replace(user.getID(), RECEIVED);
gmsg.setLastStatusChangeDate(LocalDateTime.now());
writeProxy.write(socketID, gmsgCommon);
// Notify all online group members about the status change
writeProxy.writeToOnlineContacts(gmsg.getRecipient().getContacts(),
new GroupMessageStatusChange(gmsg.getID(), RECEIVED, LocalDateTime
.now(),
connectionManager.getUserIDBySocketID(socketID)));
if (Collections.min(gmsg.getMemberMessageStatus().values()) == RECEIVED) {
gmsg.received();
// Notify online members about the status change
writeProxy.writeToOnlineContacts(gmsg.getRecipient().getContacts(),
new MessageStatusChange(gmsg.getID(), gmsg.getStatus(), LocalDateTime.now()));
}
PersistenceManager.getInstance().updateMessage(gmsg);
} else {
// Sending group message status changes
if (gmsg.getStatus() == SENT && gmsg.getLastStatusChangeDate().isAfter(gmsg.getCreationDate())
|| gmsg.getStatus() == RECEIVED && gmsg.getLastStatusChangeDate().isAfter(gmsg.getReceivedDate())) {
gmsg.getMemberMessageStatus().forEach((memberID, memberStatus) ->
writeProxy.write(socketID, new GroupMessageStatusChange(gmsg.getID(), memberStatus, gmsg.getLastStatusChangeDate(), memberID)));
}
// Deliver just a status change instead of the whole message
if (gmsg.getStatus() == SENT && user.getLastSeen().isBefore(gmsg.getCreationDate())
|| gmsg.getStatus() == RECEIVED && user.getLastSeen().isBefore(gmsg.getReceivedDate()))
writeProxy.write(socketID, new MessageStatusChange(gmsgCommon));
}
}
}
@Override

10
src/main/java/envoy/server/processors/MessageProcessor.java
View File

@ -1,13 +1,11 @@
package envoy.server.processors;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.persistence.EntityExistsException;
import envoy.data.Message;
import envoy.data.Message.MessageStatus;
import envoy.event.MessageStatusChange;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ConnectionManager;
@ -29,14 +27,10 @@ public class MessageProcessor implements ObjectProcessor<Message> {
private static final PersistenceManager persistenceManager = PersistenceManager.getInstance();
private static final ConnectionManager connectionManager = ConnectionManager.getInstance();
private static final Logger logger = EnvoyLog.getLogger(MessageProcessor.class);
private static final Logger logger = EnvoyLog.getLogger(MessageProcessor.class);
@Override
public void process(Message message, long socketID, ObjectWriteProxy writeProxy) {
if (message.getStatus() != MessageStatus.WAITING) {
logger.warning("Received message with invalid status: " + message);
return;
}
message.nextStatus();
// Convert to server message
@ -62,8 +56,6 @@ public class MessageProcessor implements ObjectProcessor<Message> {
}
} catch (EntityExistsException e) {
logger.log(Level.WARNING, "Received " + message + " with an ID that already exists!");
} catch (IOException e) {
logger.log(Level.WARNING, "Failed to deliver " + message + ":", e);
}
}

13
src/main/java/envoy/server/processors/MessageStatusChangeProcessor.java
View File

@ -1,13 +1,15 @@
package envoy.server.processors;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.data.Message.MessageStatus;
import envoy.event.MessageStatusChange;
import envoy.exception.EnvoyException;
import envoy.server.data.PersistenceManager;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectWriteProxy;
import envoy.util.EnvoyLog;
/**
* Project: <strong>envoy-server-standalone</strong><br>
@ -19,13 +21,18 @@ import envoy.server.net.ObjectWriteProxy;
*/
public class MessageStatusChangeProcessor implements ObjectProcessor<MessageStatusChange> {
private final PersistenceManager persistenceManager = PersistenceManager.getInstance();
private final ConnectionManager connectionManager = ConnectionManager.getInstance();
private final PersistenceManager persistenceManager = PersistenceManager.getInstance();
private final Logger logger = EnvoyLog.getLogger(MessageStatusChangeProcessor.class);
@Override
public void process(MessageStatusChange statusChange, long socketID, ObjectWriteProxy writeProxy) throws IOException {
// Any other status than READ is not supposed to be sent to the server
if (statusChange.get() != MessageStatus.READ) throw new IOException(new EnvoyException(statusChange + " has an invalid status"));
if (statusChange.get() != MessageStatus.READ) {
logger.log(Level.WARNING, "Invalid " + statusChange);
return;
}
final var msg = persistenceManager.getMessageByID(statusChange.getID());
msg.read();

16
src/main/java/envoy/server/processors/NameChangeProcessor.java
View File

@ -5,8 +5,6 @@ import java.io.IOException;
import envoy.event.NameChange;
import envoy.server.data.Contact;
import envoy.server.data.PersistenceManager;
import envoy.server.data.User;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectWriteProxy;
/**
@ -19,22 +17,16 @@ import envoy.server.net.ObjectWriteProxy;
*/
public class NameChangeProcessor implements ObjectProcessor<NameChange> {
private static final PersistenceManager persistenceManager = PersistenceManager.getInstance();
@Override
public void process(NameChange nameChange, long socketID, ObjectWriteProxy writeProxy) throws IOException {
PersistenceManager persistenceManager = PersistenceManager.getInstance();
ConnectionManager connectionManager = ConnectionManager.getInstance();
Contact toUpdate = persistenceManager.getContactByID(nameChange.getID());
Contact toUpdate = persistenceManager.getContactByID(nameChange.getID());
toUpdate.setName(nameChange.get());
persistenceManager.updateContact(toUpdate);
// Notify online contacts of the name change
toUpdate.getContacts().stream().filter(User.class::isInstance).map(Contact::getID).filter(connectionManager::isOnline).forEach(userID -> {
try {
writeProxy.write(userID, nameChange);
} catch (IOException e) {
e.printStackTrace();
}
});
writeProxy.writeToOnlineContacts(toUpdate.getContacts(), nameChange);
}
@Override

35
src/main/java/envoy/server/processors/UserStatusChangeProcessor.java
View File

@ -1,19 +1,17 @@
package envoy.server.processors;
import java.io.IOException;
import java.util.logging.Logger;
import envoy.data.User.UserStatus;
import envoy.event.UserStatusChange;
import envoy.server.data.PersistenceManager;
import envoy.server.data.User;
import envoy.server.net.ConnectionManager;
import envoy.server.net.ObjectWriteProxy;
import envoy.util.EnvoyLog;
/**
* This processor handles incoming {@link UserStatusChange}.<br>
* <br>
* This processor handles incoming {@link UserStatusChange}.
* <p>
* Project: <strong>envoy-server-standalone</strong><br>
* File: <strong>UserStatusChangeProcessor.java</strong><br>
* Created: <strong>1 Feb 2020</strong><br>
@ -23,16 +21,16 @@ import envoy.util.EnvoyLog;
*/
public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChange> {
private static ObjectWriteProxy writeProxy;
private static PersistenceManager persistenceManager = PersistenceManager.getInstance();
private static ObjectWriteProxy writeProxy;
private static final Logger logger = EnvoyLog.getLogger(UserStatusChangeProcessor.class);
private static final PersistenceManager persistenceManager = PersistenceManager.getInstance();
private static final Logger logger = EnvoyLog.getLogger(UserStatusChangeProcessor.class);
@Override
public Class<UserStatusChange> getInputClass() { return UserStatusChange.class; }
@Override
public void process(UserStatusChange input, long socketID, ObjectWriteProxy writeProxy) throws IOException {
public void process(UserStatusChange input, long socketID, ObjectWriteProxy writeProxy) {
// new status should not equal old status
if (input.get().equals(persistenceManager.getUserByID(input.getID()).getStatus())) {
logger.warning("Received an unnecessary UserStatusChange");
@ -55,7 +53,7 @@ public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChan
persistenceManager.updateContact(user);
// Handling for contacts that are already online
notifyContacts(user);
writeProxy.writeToOnlineContacts(user.getContacts(), new UserStatusChange(user.getID(), user.getStatus()));
}
/**
@ -64,25 +62,6 @@ public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChan
*/
public static void updateUserStatus(UserStatusChange evt) { updateUserStatus(persistenceManager.getUserByID(evt.getID())); }
/**
* notifies active contacts of this {@link User} that his {@link UserStatus} has
* changed
*
* @param user the {@link User}
* @since Envoy Server Standalone v0.1-alpha
*/
private static void notifyContacts(User user) {
UserStatusChange evt = new UserStatusChange(user.getID(), user.getStatus());
ConnectionManager connectionManager = ConnectionManager.getInstance();
try {
for (envoy.server.data.Contact contact : user.getContacts())
if (connectionManager.isOnline(contact.getID())) writeProxy.write(connectionManager.getSocketID(contact.getID()), evt);
} catch (IOException e) {
e.printStackTrace();
logger.warning("Could not notify online contacts of user " + evt.getID() + " that his status has been changed");
}
}
/**
* This method is only called by the LoginCredentialProcessor because every
* user needs to login (open a socket) before changing his status.