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();
- }
- }
}