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MQTT

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This commit is contained in:
Sven Carstensen
2025-09-14 17:11:36 +02:00
parent ca34aec0ba
commit b58c3e2398
5 changed files with 146 additions and 84 deletions
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6
pom.xml
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@@ -109,7 +109,11 @@
<version>2.0.1</version> <version>2.0.1</version>
</dependency> </dependency>
<!-- Jackson JSR310 module for Java 8 date/time support -->
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
</dependency>
</dependencies> </dependencies>

170
src/main/java/de/assecutor/votianlt/controller/MessageController.java
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@@ -25,6 +25,7 @@ import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter; import java.time.format.DateTimeFormatter;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/** /**
* MQTT message controller for handling real-time communication with apps. * MQTT message controller for handling real-time communication with apps.
@@ -34,6 +35,9 @@ import java.util.Map;
@Slf4j @Slf4j
public class MessageController { public class MessageController {
// Map to store userId -> clientId mapping for active sessions
private final Map<String, String> userClientIdMapping = new ConcurrentHashMap<>();
@Autowired @Autowired
private MqttPublisher mqttPublisher; private MqttPublisher mqttPublisher;
@@ -97,92 +101,88 @@ public class MessageController {
} }
/** /**
* Send notification to specific user * Send notification to specific user (removed MQTT publishing)
*/ */
public void sendNotificationToUser(String username, String message) { public void sendNotificationToUser(String username, String message) {
Map<String, Object> notification = Map.of( log.info("Notification for user '{}': {}", username, message);
"message", message, // Note: MQTT notification publishing has been removed
"timestamp", LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
"type", "notification"
);
log.info("Sending notification to user '{}': {}", username, notification);
mqttPublisher.publishAsJson("v1/users/" + username + "/notifications", notification, true);
log.info("Notification sent to '/user/{}/queue/notifications'", username);
} }
/** /**
* Send broadcast message to all connected clients * Send broadcast message to all connected clients (removed MQTT publishing)
*/ */
public void sendBroadcastMessage(String message) { public void sendBroadcastMessage(String message) {
Map<String, Object> broadcast = Map.of( log.info("Broadcast message: {}", message);
"message", message, // Note: MQTT broadcast publishing has been removed
"timestamp", LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
"type", "broadcast"
);
log.info("Sending broadcast message: {}", broadcast);
mqttPublisher.publishAsJson("v1/broadcasts", broadcast);
log.info("Broadcast message sent to '/topic/broadcasts'");
} }
/** /**
* Authentication endpoint for mobile app users via MQTT. * Authentication endpoint for mobile app users via MQTT.
* Client sends to /app/auth/login with payload { email, password }. * Client sends to /server/login with payload { email, password, clientId }.
* The response is sent back to the requesting user on /user/queue/auth * The response is sent back to the requesting client on /client/{clientId}/auth
*/ */
public AppLoginResponse handleAppLogin(AppLoginRequest request) { public void handleAppLogin(AppLoginRequest request) {
log.info("MQTT Endpoint '/app/auth/login' called with email: {}", log.info("MQTT Endpoint '/server/login' called with email: {}, clientId: {}",
request != null ? request.getEmail() : "null"); request != null ? request.getEmail() : "null",
request != null ? request.getClientId() : "null");
if (request == null || request.getEmail() == null || request.getPassword() == null
|| request.getEmail().isBlank() || request.getPassword().isBlank()) { AppLoginResponse response;
AppLoginResponse response = new AppLoginResponse(false, "E-Mail und Passwort sind erforderlich", null, null, null);
log.info("MQTT Response for '/app/auth/login' sent to '/user/queue/auth': success={}, message='{}'", if (request == null || request.getEmail() == null || request.getPassword() == null || request.getClientId() == null
false, "E-Mail und Passwort sind erforderlich"); || request.getEmail().isBlank() || request.getPassword().isBlank() || request.getClientId().isBlank()) {
return response; response = new AppLoginResponse(false, "E-Mail, Passwort und Client-ID sind erforderlich", null, null, null);
} else {
AppUser user = appUserRepository.findByEmail(request.getEmail());
if (user == null) {
response = new AppLoginResponse(false, "Benutzer nicht gefunden", null, null, null);
} else {
boolean ok = appUserService.verifyPassword(request.getPassword(), user.getPassword());
if (!ok) {
response = new AppLoginResponse(false, "Ungültige Anmeldedaten", null, null, null);
} else {
response = new AppLoginResponse(true, "Anmeldung erfolgreich", null, null, user.getIdAsString());
// Store clientId mapping for this user session
storeClientIdMapping(user.getIdAsString(), request.getClientId());
}
}
} }
AppUser user = appUserRepository.findByEmail(request.getEmail()); // Send response via MQTT to specific client
if (user == null) { if (request != null && request.getClientId() != null && !request.getClientId().isBlank()) {
AppLoginResponse response = new AppLoginResponse(false, "Benutzer nicht gefunden", null, null, null); mqttPublisher.publishAsJson("/client/" + request.getClientId() + "/auth", response, false);
log.info("MQTT Response for '/app/auth/login' sent to '/user/queue/auth': success={}, message='{}'", log.info("MQTT Response sent to '/client/{}/auth': success={}, message='{}'",
false, "Benutzer nicht gefunden"); request.getClientId(), response.isSuccess(), response.getMessage());
return response;
} }
boolean ok = appUserService.verifyPassword(request.getPassword(), user.getPassword());
if (!ok) {
AppLoginResponse response = new AppLoginResponse(false, "Ungültige Anmeldedaten", null, null, null);
log.info("MQTT Response for '/app/auth/login' sent to '/user/queue/auth': success={}, message='{}'",
false, "Ungültige Anmeldedaten");
return response;
}
AppLoginResponse response = new AppLoginResponse(true, "Anmeldung erfolgreich", null, null, user.getIdAsString());
log.info("MQTT Response for '/app/auth/login' sent to '/user/queue/auth': success={}, message='{}', appUserId='{}'",
true, "Anmeldung erfolgreich", response.getAppUserId());
return response;
} }
/** /**
* Endpoint to retrieve jobs assigned to a specific app user with related cargo items and tasks. * Endpoint to retrieve jobs assigned to a specific app user with related cargo items and tasks.
* Client sends to /app/jobs/assigned with payload { appUserId }. * Client sends to /server/{clientId}/jobs/assigned with payload { appUserId }.
* The response is sent back to the requesting user on /user/queue/jobs * The response is sent back to the requesting client on /client/{clientId}/jobs
*/ */
public List<JobWithRelatedDataDTO> handleGetAssignedJobs(Map<String, Object> request) { public void handleGetAssignedJobs(Map<String, Object> request) {
log.info("MQTT Endpoint '/app/jobs/assigned' called with data: {}", request); log.info("MQTT Endpoint '/server/{clientId}/jobs/assigned' called with data: {}", request);
log.debug("Starting to process jobs request for MQTT endpoint"); log.debug("Starting to process jobs request for MQTT endpoint");
if (request == null || !request.containsKey("appUserId")) { if (request == null || !request.containsKey("appUserId")) {
log.info("MQTT Response for '/app/jobs/assigned' sent to '/user/queue/jobs': empty list (no appUserId provided)"); log.info("Assigned jobs request missing appUserId; returning empty list");
return List.of(); // Return empty list if no appUserId provided return; // Return empty list if no appUserId provided
} }
String appUserId = request.get("appUserId").toString(); String appUserId = request.get("appUserId").toString();
if (appUserId == null || appUserId.isBlank()) { if (appUserId == null || appUserId.isBlank()) {
log.info("MQTT Response for '/app/jobs/assigned' sent to '/user/queue/jobs': empty list (appUserId is blank)"); log.info("Assigned jobs request blank appUserId; returning empty list");
return List.of(); // Return empty list if appUserId is blank return; // Return empty list if appUserId is blank
}
// Attempt to get clientId from request (injected from topic) or from stored mapping
String clientId = null;
try {
Object cid = request.get("clientId");
if (cid != null) clientId = cid.toString();
} catch (Exception ignored) {}
if (clientId == null || clientId.isBlank()) {
clientId = getClientIdForUserId(appUserId);
} }
// Find jobs assigned to this app user // Find jobs assigned to this app user
@@ -205,8 +205,14 @@ public class MessageController {
}) })
.toList(); .toList();
log.info("MQTT Response for '/app/jobs/assigned' sent to '/user/queue/jobs': {} jobs with related data found for appUserId='{}'", // Publish to the requesting client's topic if clientId is known
jobsWithRelatedData.size(), appUserId); if (clientId != null && !clientId.isBlank()) {
String topic = "/client/" + clientId + "/jobs";
mqttPublisher.publishAsJson(topic, jobsWithRelatedData, false);
log.info("Published {} assigned jobs for appUserId='{}' to topic '{}'", jobsWithRelatedData.size(), appUserId, topic);
} else {
log.warn("No clientId available to publish assigned jobs for appUserId='{}'. Skipping MQTT publish.", appUserId);
}
// Log complete JSON for debugging // Log complete JSON for debugging
log.debug("About to serialize {} jobs to JSON for logging", jobsWithRelatedData.size()); log.debug("About to serialize {} jobs to JSON for logging", jobsWithRelatedData.size());
@@ -216,6 +222,7 @@ public class MessageController {
String jsonOutput = objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(jobsWithRelatedData); String jsonOutput = objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(jobsWithRelatedData);
log.info("=== COMPLETE JSON RESPONSE FOR MQTT CLIENT ==="); log.info("=== COMPLETE JSON RESPONSE FOR MQTT CLIENT ===");
log.info("AppUserId: {}", appUserId); log.info("AppUserId: {}", appUserId);
log.info("ClientId: {}", clientId);
log.info("Number of jobs: {}", jobsWithRelatedData.size()); log.info("Number of jobs: {}", jobsWithRelatedData.size());
log.info("JSON Data:\n{}", jsonOutput); log.info("JSON Data:\n{}", jsonOutput);
log.info("=== END JSON RESPONSE ==="); log.info("=== END JSON RESPONSE ===");
@@ -223,7 +230,6 @@ public class MessageController {
log.error("Failed to serialize jobs to JSON for logging: {}", e.getMessage(), e); log.error("Failed to serialize jobs to JSON for logging: {}", e.getMessage(), e);
} }
return jobsWithRelatedData;
} }
/** /**
@@ -370,8 +376,8 @@ public class MessageController {
event.put("event", "taskCompleted"); event.put("event", "taskCompleted");
event.put("taskType", task.getTaskType()); event.put("taskType", task.getTaskType());
// Publish to MQTT task topic // Task event publishing has been removed
mqttPublisher.publishAsJson("v1/tasks/" + task.getIdAsString(), event); log.info("Task completed: taskId={}, taskType={}, completed={}", task.getIdAsString(), task.getTaskType(), task.isCompleted());
response.put("success", true); response.put("success", true);
response.putAll(event); response.putAll(event);
@@ -444,8 +450,8 @@ public class MessageController {
event.put("event", "taskCompleted"); event.put("event", "taskCompleted");
event.put("taskType", task.getTaskType()); event.put("taskType", task.getTaskType());
// Publish to MQTT task topic // Task event publishing has been removed
mqttPublisher.publishAsJson("v1/tasks/" + task.getIdAsString(), event); log.info("Task completed: taskId={}, taskType={}, completed={}", task.getIdAsString(), task.getTaskType(), task.isCompleted());
response.put("success", true); response.put("success", true);
response.putAll(event); response.putAll(event);
@@ -462,4 +468,36 @@ public class MessageController {
return response; return response;
} }
} }
/**
* Helper method to get the user ID for a task by looking up the associated job
*/
private String getUserIdForTask(BaseTask task) {
try {
java.util.Optional<Job> jobOpt = jobRepository.findById(task.getJobId());
if (jobOpt.isPresent()) {
Job job = jobOpt.get();
return job.getAppUser();
}
return null;
} catch (Exception e) {
log.error("Error getting user ID for task {}: {}", task.getIdAsString(), e.getMessage(), e);
return null;
}
}
/**
* Store the mapping between userId and clientId for active session
*/
private void storeClientIdMapping(String userId, String clientId) {
userClientIdMapping.put(userId, clientId);
log.debug("Stored clientId mapping: userId={} -> clientId={}", userId, clientId);
}
/**
* Get the clientId for a given userId
*/
private String getClientIdForUserId(String userId) {
return userClientIdMapping.get(userId);
}
} }

1
src/main/java/de/assecutor/votianlt/dto/AppLoginRequest.java
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@@ -10,4 +10,5 @@ import lombok.NoArgsConstructor;
public class AppLoginRequest { public class AppLoginRequest {
private String email; private String email;
private String password; private String password;
private String clientId;
} }

14
src/main/java/de/assecutor/votianlt/mqtt/MqttPublisher.java
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@@ -1,6 +1,7 @@
package de.assecutor.votianlt.mqtt; package de.assecutor.votianlt.mqtt;
import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component; import org.springframework.stereotype.Component;
import org.springframework.context.annotation.Lazy; import org.springframework.context.annotation.Lazy;
@@ -20,11 +21,13 @@ public interface MqttPublisher {
@Slf4j @Slf4j
class MqttPublisherImpl implements MqttPublisher { class MqttPublisherImpl implements MqttPublisher {
private final ObjectMapper objectMapper = new ObjectMapper(); private final ObjectMapper objectMapper;
private final MqttV5ClientManager clientManager; private final MqttV5ClientManager clientManager;
public MqttPublisherImpl(@Lazy MqttV5ClientManager clientManager) { public MqttPublisherImpl(@Lazy MqttV5ClientManager clientManager) {
this.clientManager = clientManager; this.clientManager = clientManager;
this.objectMapper = new ObjectMapper();
this.objectMapper.registerModule(new JavaTimeModule());
} }
@Override @Override
@@ -39,7 +42,14 @@ class MqttPublisherImpl implements MqttPublisher {
byte[] bytes = json.getBytes(java.nio.charset.StandardCharsets.UTF_8); byte[] bytes = json.getBytes(java.nio.charset.StandardCharsets.UTF_8);
// Default QoS 2 // Default QoS 2
clientManager.publish(topic, bytes, 2, retained); clientManager.publish(topic, bytes, 2, retained);
log.debug("[MQTT v5] published topic={} retained={} bytes={}", topic, retained, bytes.length);
// Log all published JSON documents
log.info("=== MQTT JSON PUBLISHED ===");
log.info("Topic: {}", topic);
log.info("Retained: {}", retained);
log.info("JSON Data: {}", json);
log.info("=== END MQTT PUBLISH ===");
} catch (Exception e) { } catch (Exception e) {
log.error("Failed to serialize/publish MQTT message for topic {}: {}", topic, e.getMessage(), e); log.error("Failed to serialize/publish MQTT message for topic {}: {}", topic, e.getMessage(), e);
} }

39
src/main/java/de/assecutor/votianlt/mqtt/MqttV5ClientManager.java
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@@ -86,13 +86,12 @@ public class MqttV5ClientManager implements SmartLifecycle {
// Subscribe to topics with QoS // Subscribe to topics with QoS
String[] topics = new String[]{ String[] topics = new String[]{
"v1/app/+/task/photo/completed", "/server/+/task/photo/completed",
"v1/app/+/task/confirm", "/server/+/task/confirm",
"v1/app/+/task/completed", "/server/+/task/completed",
"v1/app/+/job/status", "/server/+/job/status",
"v1/app/+/device/location", "/server/+/jobs/assigned",
"v1/app/+/jobs/assigned", "/server/login"
"v1/app/+/auth/login"
}; };
MqttQos qos = mapQos(props.getDefaultQos()); MqttQos qos = mapQos(props.getDefaultQos());
for (String topic : topics) { for (String topic : topics) {
@@ -131,19 +130,29 @@ public class MqttV5ClientManager implements SmartLifecycle {
private void routeInbound(String topic, Map<String, Object> payload) { private void routeInbound(String topic, Map<String, Object> payload) {
try { try {
if (topic.matches("v1/app/.+/task/photo/completed")) { if (topic.matches("/server/.+/task/photo/completed")) {
messageController.handlePhotoTaskCompleted(payload); messageController.handlePhotoTaskCompleted(payload);
} else if (topic.matches("v1/app/.+/task/confirm")) { } else if (topic.matches("/server/.+/task/confirm")) {
messageController.handleTaskConfirmation(payload); messageController.handleTaskConfirmation(payload);
} else if (topic.matches("v1/app/.+/task/completed")) { } else if (topic.matches("/server/.+/task/completed")) {
messageController.handleTaskCompleted(payload); messageController.handleTaskCompleted(payload);
} else if (topic.matches("v1/app/.+/job/status")) { } else if (topic.matches("/server/.+/job/status")) {
messageController.handleJobStatusUpdate(payload); messageController.handleJobStatusUpdate(payload);
} else if (topic.matches("v1/app/.+/device/location")) { } else if (topic.matches("/server/.+/jobs/assigned")) {
messageController.handleDeviceLocation(payload); // Extract clientId from topic: /server/{clientId}/jobs/assigned
} else if (topic.matches("v1/app/.+/jobs/assigned")) { try {
String[] parts = topic.split("/");
if (parts.length >= 5 && "server".equals(parts[1])) {
String clientId = parts[2];
if (clientId != null && !clientId.isBlank()) {
payload.put("clientId", clientId);
}
}
} catch (Exception ignore) {
// ignore extraction errors
}
messageController.handleGetAssignedJobs(payload); messageController.handleGetAssignedJobs(payload);
} else if (topic.matches("v1/app/.+/auth/login")) { } else if (topic.equals("/server/login")) {
var om = new ObjectMapper(); var om = new ObjectMapper();
de.assecutor.votianlt.dto.AppLoginRequest req = om.convertValue(payload, de.assecutor.votianlt.dto.AppLoginRequest.class); de.assecutor.votianlt.dto.AppLoginRequest req = om.convertValue(payload, de.assecutor.votianlt.dto.AppLoginRequest.class);
messageController.handleAppLogin(req); messageController.handleAppLogin(req);