Merge "Bug 1926: fixed features/mdsal/pom.xml dependencies"

[controller.git] / opendaylight / md-sal / sal-netconf-connector / src / main / java / org / opendaylight / controller / sal / connect / netconf / listener / NetconfSessionCapabilities.java

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/listener/NetconfSessionCapabilities.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/listener/NetconfSessionCapabilities.java
index 8964a80228bf848538dc83dfc6db71c05f93a102..09e178f5ceaa4e4709efa51dc9267a41f65b2d3f 100644 (file)
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/listener/NetconfSessionCapabilities.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/listener/NetconfSessionCapabilities.java
@@ -7,11 +7,11 @@ import com.google.common.base.Predicate;
 import com.google.common.base.Splitter;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
-
+import com.google.common.collect.Sets;
+import java.net.URI;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
-
 import org.opendaylight.controller.netconf.client.NetconfClientSession;
 import org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil;
 import org.opendaylight.yangtools.yang.common.QName;
@@ -19,6 +19,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public final class NetconfSessionCapabilities {
+
     private static final class ParameterMatcher {
         private final Predicate<String> predicate;
         private final int skipLength;
@@ -57,10 +58,10 @@ public final class NetconfSessionCapabilities {
     };
 
     private final Set<QName> moduleBasedCaps;
-    private final Set<String> capabilities;
+    private final Set<String> nonModuleCaps;
 
-    private NetconfSessionCapabilities(final Set<String> capabilities, final Set<QName> moduleBasedCaps) {
-        this.capabilities = Preconditions.checkNotNull(capabilities);
+    private NetconfSessionCapabilities(final Set<String> nonModuleCaps, final Set<QName> moduleBasedCaps) {
+        this.nonModuleCaps = Preconditions.checkNotNull(nonModuleCaps);
         this.moduleBasedCaps = Preconditions.checkNotNull(moduleBasedCaps);
     }
 
@@ -68,38 +69,66 @@ public final class NetconfSessionCapabilities {
         return moduleBasedCaps;
     }
 
-    public boolean containsCapability(final String capability) {
-        return capabilities.contains(capability);
+    public Set<String> getNonModuleCaps() {
+        return nonModuleCaps;
     }
 
-    public boolean containsCapability(final QName capability) {
+    public boolean containsNonModuleCapability(final String capability) {
+        return nonModuleCaps.contains(capability);
+    }
+
+    public boolean containsModuleCapability(final QName capability) {
         return moduleBasedCaps.contains(capability);
     }
 
     @Override
     public String toString() {
         return Objects.toStringHelper(this)
-                .add("capabilities", capabilities)
+                .add("capabilities", nonModuleCaps)
+                .add("moduleBasedCapabilities", moduleBasedCaps)
                 .add("rollback", isRollbackSupported())
                 .add("monitoring", isMonitoringSupported())
                 .toString();
     }
 
     public boolean isRollbackSupported() {
-        return containsCapability(NetconfMessageTransformUtil.NETCONF_ROLLBACK_ON_ERROR_URI.toString());
+        return containsNonModuleCapability(NetconfMessageTransformUtil.NETCONF_ROLLBACK_ON_ERROR_URI.toString());
+    }
+
+    public boolean isCandidateSupported() {
+        return containsNonModuleCapability(NetconfMessageTransformUtil.NETCONF_CANDIDATE_URI.toString());
     }
 
     public boolean isMonitoringSupported() {
-        return containsCapability(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING)
-                || containsCapability(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING.getNamespace().toString());
+        return containsModuleCapability(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING)
+                || containsNonModuleCapability(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING.getNamespace().toString());
+    }
+
+    public NetconfSessionCapabilities replaceModuleCaps(final NetconfSessionCapabilities netconfSessionModuleCapabilities) {
+        final Set<QName> moduleBasedCaps = Sets.newHashSet(netconfSessionModuleCapabilities.getModuleBasedCaps());
+
+        // Preserve monitoring module, since it indicates support for ietf-netconf-monitoring
+        if(containsModuleCapability(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING)) {
+            moduleBasedCaps.add(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING);
+        }
+        return new NetconfSessionCapabilities(getNonModuleCaps(), moduleBasedCaps);
     }
 
     public static NetconfSessionCapabilities fromNetconfSession(final NetconfClientSession session) {
         return fromStrings(session.getServerCapabilities());
     }
 
+    private static QName cachedQName(final String namespace, final String revision, final String moduleName) {
+        return QName.cachedReference(QName.create(namespace, revision, moduleName));
+    }
+
+    private static QName cachedQName(final String namespace, final String moduleName) {
+        return QName.cachedReference(QName.create(URI.create(namespace), null, moduleName).withoutRevision());
+    }
+
     public static NetconfSessionCapabilities fromStrings(final Collection<String> capabilities) {
         final Set<QName> moduleBasedCaps = new HashSet<>();
+        final Set<String> nonModuleCaps = Sets.newHashSet(capabilities);
 
         for (final String capability : capabilities) {
             final int qmark = capability.indexOf('?');
@@ -116,7 +145,7 @@ public final class NetconfSessionCapabilities {
 
             String revision = REVISION_PARAM.from(queryParams);
             if (revision != null) {
-                moduleBasedCaps.add(QName.create(namespace, revision, moduleName));
+                addModuleQName(moduleBasedCaps, nonModuleCaps, capability, cachedQName(namespace, revision, moduleName));
                 continue;
             }
 
@@ -124,20 +153,29 @@ public final class NetconfSessionCapabilities {
              * We have seen devices which mis-escape revision, but the revision may not
              * even be there. First check if there is a substring that matches revision.
              */
-            if (!Iterables.any(queryParams, CONTAINS_REVISION)) {
+            if (Iterables.any(queryParams, CONTAINS_REVISION)) {
+
+                LOG.debug("Netconf device was not reporting revision correctly, trying to get amp;revision=");
+                revision = BROKEN_REVISON_PARAM.from(queryParams);
+                if (revision == null) {
+                    LOG.warn("Netconf device returned revision incorrectly escaped for {}, ignoring it", capability);
+                    addModuleQName(moduleBasedCaps, nonModuleCaps, capability, cachedQName(namespace, moduleName));
+                } else {
+                    addModuleQName(moduleBasedCaps, nonModuleCaps, capability, cachedQName(namespace, revision, moduleName));
+                }
                 continue;
             }
 
-            LOG.debug("Netconf device was not reporting revision correctly, trying to get amp;revision=");
-            revision = BROKEN_REVISON_PARAM.from(queryParams);
-            if (revision == null) {
-                LOG.warn("Netconf device returned revision incorrectly escaped for {}, ignoring it", capability);
-            }
-
-            // FIXME: do we really want to continue here?
-            moduleBasedCaps.add(QName.create(namespace, revision, moduleName));
+            // Fallback, no revision provided for module
+            addModuleQName(moduleBasedCaps, nonModuleCaps, capability, cachedQName(namespace, moduleName));
         }
 
-        return new NetconfSessionCapabilities(ImmutableSet.copyOf(capabilities), ImmutableSet.copyOf(moduleBasedCaps));
+        return new NetconfSessionCapabilities(ImmutableSet.copyOf(nonModuleCaps), ImmutableSet.copyOf(moduleBasedCaps));
+    }
+
+
+    private static void addModuleQName(final Set<QName> moduleBasedCaps, final Set<String> nonModuleCaps, final String capability, final QName qName) {
+        moduleBasedCaps.add(qName);
+        nonModuleCaps.remove(capability);
     }
 }