import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicReference;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.pterodactylus.sone.core.Core;
+import net.pterodactylus.sone.fcp.event.FcpInterfaceActivatedEvent;
+import net.pterodactylus.sone.fcp.event.FcpInterfaceDeactivatedEvent;
+import net.pterodactylus.sone.fcp.event.FullAccessRequiredChanged;
import net.pterodactylus.sone.freenet.fcp.Command.AccessType;
import net.pterodactylus.sone.freenet.fcp.Command.ErrorResponse;
import net.pterodactylus.sone.freenet.fcp.Command.Response;
import net.pterodactylus.util.logging.Logging;
-import com.google.inject.Inject;
-
import freenet.pluginmanager.FredPluginFCP;
import freenet.pluginmanager.PluginNotFoundException;
import freenet.pluginmanager.PluginReplySender;
import freenet.support.SimpleFieldSet;
import freenet.support.api.Bucket;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.eventbus.Subscribe;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
/**
* Implementation of an FCP interface for other clients or plugins to
* communicate with Sone.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
+@Singleton
public class FcpInterface {
/**
private static final Logger logger = Logging.getLogger(FcpInterface.class);
/** Whether the FCP interface is currently active. */
- private volatile boolean active;
+ private final AtomicBoolean active = new AtomicBoolean();
/** What function full access is required for. */
- private volatile FullAccessRequired fullAccessRequired = FullAccessRequired.ALWAYS;
+ private final AtomicReference<FullAccessRequired> fullAccessRequired = new AtomicReference<FullAccessRequired>(FullAccessRequired.ALWAYS);
/** All available FCP commands. */
private final Map<String, AbstractSoneCommand> commands = Collections.synchronizedMap(new HashMap<String, AbstractSoneCommand>());
// ACCESSORS
//
- /**
- * Sets whether the FCP interface should handle requests. If {@code active}
- * is {@code false}, all requests are answered with an error.
- *
- * @param active
- * {@code true} to activate the FCP interface, {@code false} to
- * deactivate the FCP interface
- */
- public void setActive(boolean active) {
- this.active = active;
+ @VisibleForTesting
+ boolean isActive() {
+ return active.get();
}
- /**
- * Sets the action level for which full FCP access is required.
- *
- * @param fullAccessRequired
- * The action level for which full FCP access is required
- */
- public void setFullAccessRequired(FullAccessRequired fullAccessRequired) {
- this.fullAccessRequired = checkNotNull(fullAccessRequired, "fullAccessRequired must not be null");
+ private void setActive(boolean active) {
+ this.active.set(active);
+ }
+
+ @VisibleForTesting
+ FullAccessRequired getFullAccessRequired() {
+ return fullAccessRequired.get();
+ }
+
+ private void setFullAccessRequired(FullAccessRequired fullAccessRequired) {
+ this.fullAccessRequired.set(checkNotNull(fullAccessRequired, "fullAccessRequired must not be null"));
}
//
* {@link FredPluginFCP#ACCESS_FCP_RESTRICTED}
*/
public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
- if (!active) {
+ if (!active.get()) {
try {
sendReply(pluginReplySender, null, new ErrorResponse(400, "FCP Interface deactivated"));
} catch (PluginNotFoundException pnfe1) {
return;
}
AbstractSoneCommand command = commands.get(parameters.get("Message"));
- if ((accessType == FredPluginFCP.ACCESS_FCP_RESTRICTED) && (((fullAccessRequired == FullAccessRequired.WRITING) && command.requiresWriteAccess()) || (fullAccessRequired == FullAccessRequired.ALWAYS))) {
+ if ((accessType == FredPluginFCP.ACCESS_FCP_RESTRICTED) && (((fullAccessRequired.get() == FullAccessRequired.WRITING) && command.requiresWriteAccess()) || (fullAccessRequired.get() == FullAccessRequired.ALWAYS))) {
try {
sendReply(pluginReplySender, null, new ErrorResponse(401, "Not authorized"));
} catch (PluginNotFoundException pnfe1) {
}
}
+ @Subscribe
+ public void fcpInterfaceActivated(FcpInterfaceActivatedEvent fcpInterfaceActivatedEvent) {
+ setActive(true);
+ }
+
+ @Subscribe
+ public void fcpInterfaceDeactivated(FcpInterfaceDeactivatedEvent fcpInterfaceDeactivatedEvent) {
+ setActive(false);
+ }
+
+ @Subscribe
+ public void fullAccessRequiredChanged(FullAccessRequiredChanged fullAccessRequiredChanged) {
+ setFullAccessRequired(fullAccessRequiredChanged.getFullAccessRequired());
+ }
+
}