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-rw-r--r--vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java45
1 files changed, 28 insertions, 17 deletions
diff --git a/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java b/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java
index 01578ce0..8e101404 100644
--- a/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java
+++ b/vpp-api/java/jvpp-registry/io/fd/vpp/jvpp/JVppRegistryImpl.java
@@ -25,7 +25,6 @@ import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
import java.util.logging.Level;
import java.util.logging.Logger;
@@ -37,14 +36,16 @@ public final class JVppRegistryImpl implements JVppRegistry, ControlPingCallback
private static final Logger LOG = Logger.getLogger(JVppRegistryImpl.class.getName());
private final VppJNIConnection connection;
+ // Unguarded concurrent map, no race conditions expected on top of that
private final Map<String, JVppCallback> pluginRegistry;
- private final ConcurrentMap<Integer, ControlPingCallback> pingCalls;
+ // Guarded by self
+ private final Map<Integer, ControlPingCallback> pingCalls;
public JVppRegistryImpl(final String clientName) throws IOException {
connection = new VppJNIConnection(clientName);
connection.connect();
- pluginRegistry = new HashMap<>();
- pingCalls = new ConcurrentHashMap<>();
+ pluginRegistry = new ConcurrentHashMap<>();
+ pingCalls = new HashMap<>();
}
@Override
@@ -53,7 +54,7 @@ public final class JVppRegistryImpl implements JVppRegistry, ControlPingCallback
}
@Override
- public synchronized void register(final JVpp jvpp, final JVppCallback callback) {
+ public void register(final JVpp jvpp, final JVppCallback callback) {
requireNonNull(jvpp, "jvpp should not be null");
requireNonNull(callback, "Callback should not be null");
final String name = jvpp.getClass().getName();
@@ -67,14 +68,14 @@ public final class JVppRegistryImpl implements JVppRegistry, ControlPingCallback
}
@Override
- public synchronized void unregister(final String name) {
+ public void unregister(final String name) {
requireNonNull(name, "Plugin name should not be null");
final JVppCallback previous = pluginRegistry.remove(name);
assertPluginWasRegistered(name, previous);
}
@Override
- public synchronized JVppCallback get(final String name) {
+ public JVppCallback get(final String name) {
requireNonNull(name, "Plugin name should not be null");
JVppCallback value = pluginRegistry.get(name);
assertPluginWasRegistered(name, value);
@@ -84,27 +85,33 @@ public final class JVppRegistryImpl implements JVppRegistry, ControlPingCallback
private native int controlPing0() throws VppInvocationException;
@Override
- public synchronized int controlPing(final Class<? extends JVpp> clazz) throws VppInvocationException {
+ public int controlPing(final Class<? extends JVpp> clazz) throws VppInvocationException {
connection.checkActive();
final String name = clazz.getName();
final ControlPingCallback callback = (ControlPingCallback) pluginRegistry.get(clazz.getName());
assertPluginWasRegistered(name, callback);
- int context = controlPing0();
- if (context < 0) {
- throw new VppInvocationException("controlPing", context);
- }
+ synchronized (pingCalls) {
+ int context = controlPing0();
+ if (context < 0) {
+ throw new VppInvocationException("controlPing", context);
+ }
- pingCalls.put(context, callback);
- return context;
+ pingCalls.put(context, callback);
+ return context;
+ }
}
@Override
public void onControlPingReply(final ControlPingReply reply) {
- final ControlPingCallback callback = pingCalls.get(reply.context);
+ final ControlPingCallback callback;
+ synchronized (pingCalls) {
+ callback = pingCalls.remove(reply.context);
+ }
if (callback == null) {
- LOG.log(Level.WARNING, "No callback was registered for reply id={0} ", reply.context);
+ LOG.log(Level.WARNING, "No callback was registered for reply context=" + reply.context + " Contexts waiting="
+ + pingCalls.keySet());
return;
}
// pass the reply to the callback registered by the ping caller
@@ -114,7 +121,11 @@ public final class JVppRegistryImpl implements JVppRegistry, ControlPingCallback
@Override
public void onError(final VppCallbackException ex) {
final int ctxId = ex.getCtxId();
- final ControlPingCallback callback = pingCalls.get(ctxId);
+ final ControlPingCallback callback;
+
+ synchronized (pingCalls) {
+ callback = pingCalls.get(ctxId);
+ }
if (callback == null) {
LOG.log(Level.WARNING, "No callback was registered for reply id={0} ", ctxId);
return;