Bug 624 - Separate netty and exi specific classes from netconf-util.

[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / NetconfServerSessionNegotiator.java

diff --git a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiator.java b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiator.java
index 01ac018b3eadc3ee85d6ffd7a5e12fb8cbaf2daa..a48cbbe24106411451cc4726d6e3ca153f3166cb 100644 (file)
--- a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiator.java
+++ b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiator.java
@@ -9,90 +9,53 @@
 package org.opendaylight.controller.netconf.impl;
 
 import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
 import io.netty.channel.Channel;
 import io.netty.util.Timer;
 import io.netty.util.concurrent.Promise;
-import org.opendaylight.controller.netconf.api.NetconfMessage;
+import java.net.InetSocketAddress;
+import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
 import org.opendaylight.controller.netconf.api.NetconfServerSessionPreferences;
-import org.opendaylight.controller.netconf.util.AbstractNetconfSessionNegotiator;
-import org.opendaylight.protocol.framework.SessionListener;
+import org.opendaylight.controller.netconf.nettyutil.AbstractNetconfSessionNegotiator;
+import org.opendaylight.controller.netconf.util.messages.NetconfHelloMessage;
+import org.opendaylight.controller.netconf.util.messages.NetconfHelloMessageAdditionalHeader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
 public class NetconfServerSessionNegotiator extends
-        AbstractNetconfSessionNegotiator<NetconfServerSessionPreferences, NetconfServerSession> {
+        AbstractNetconfSessionNegotiator<NetconfServerSessionPreferences, NetconfServerSession, NetconfServerSessionListener> {
 
     static final Logger logger = LoggerFactory.getLogger(NetconfServerSessionNegotiator.class);
 
-    private static final AdditionalHeader DEFAULT_HEADER = new AdditionalHeader();
-
     protected NetconfServerSessionNegotiator(NetconfServerSessionPreferences sessionPreferences,
-            Promise<NetconfServerSession> promise, Channel channel, Timer timer, SessionListener sessionListener) {
-        super(sessionPreferences, promise, channel, timer, sessionListener);
+            Promise<NetconfServerSession> promise, Channel channel, Timer timer, NetconfServerSessionListener sessionListener,
+            long connectionTimeoutMillis) {
+        super(sessionPreferences, promise, channel, timer, sessionListener, connectionTimeoutMillis);
+    }
+
+    @Override
+    protected void handleMessage(NetconfHelloMessage netconfMessage) throws NetconfDocumentedException {
+        NetconfServerSession session = getSessionForHelloMessage(netconfMessage);
+        replaceHelloMessageInboundHandler(session);
+        // Negotiation successful after all non hello messages were processed
+        negotiationSuccessful(session);
     }
 
     @Override
-    protected NetconfServerSession getSession(SessionListener sessionListener, Channel channel, NetconfMessage message) {
-        Optional<String> additionalHeader = message.getAdditionalHeader();
+    protected NetconfServerSession getSession(NetconfServerSessionListener sessionListener, Channel channel, NetconfHelloMessage message) {
+        Optional<NetconfHelloMessageAdditionalHeader> additionalHeader = message.getAdditionalHeader();
 
-        AdditionalHeader parsedHeader;
+        NetconfHelloMessageAdditionalHeader parsedHeader;
         if (additionalHeader.isPresent()) {
-            parsedHeader = new AdditionalHeader(additionalHeader.get());
+            parsedHeader = additionalHeader.get();
         } else {
-            parsedHeader = DEFAULT_HEADER;
+            InetSocketAddress inetSocketAddress = (InetSocketAddress) channel.localAddress();
+            parsedHeader = new NetconfHelloMessageAdditionalHeader("unknown", inetSocketAddress.getHostString(), Integer.toString(inetSocketAddress.getPort()),
+                    "tcp", "client");
         }
+
         logger.debug("Additional header from hello parsed as {} from {}", parsedHeader, additionalHeader);
 
-        return new NetconfServerSession(sessionListener, channel, sessionPreferences.getSessionId(), parsedHeader);
+        return new NetconfServerSession(sessionListener, channel, getSessionPreferences().getSessionId(), parsedHeader);
     }
 
-    static class AdditionalHeader {
-
-        private static final Pattern pattern = Pattern
-                .compile("\\[(?<username>[^;]+);(?<address>[0-9\\.]+)[:/](?<port>[0-9]+);(?<transport>[a-z]+)[^\\]]+\\]");
-        private final String username;
-        private final String address;
-        private final String transport;
-
-        public AdditionalHeader(String addHeaderAsString) {
-            addHeaderAsString = addHeaderAsString.trim();
-            Matcher matcher = pattern.matcher(addHeaderAsString);
-            Preconditions.checkArgument(matcher.matches(), "Additional header in wrong format %s, expected %s",
-                    addHeaderAsString, pattern);
-            this.username = matcher.group("username");
-            this.address = matcher.group("address");
-            this.transport = matcher.group("transport");
-        }
-
-        private AdditionalHeader() {
-            this.username = this.address = "unknown";
-            this.transport = "ssh";
-        }
-
-        String getUsername() {
-            return username;
-        }
-
-        String getAddress() {
-            return address;
-        }
-
-        String getTransport() {
-            return transport;
-        }
-
-        @Override
-        public String toString() {
-            final StringBuffer sb = new StringBuffer("AdditionalHeader{");
-            sb.append("username='").append(username).append('\'');
-            sb.append(", address='").append(address).append('\'');
-            sb.append(", transport='").append(transport).append('\'');
-            sb.append('}');
-            return sb.toString();
-        }
-    }
 }