/**
* Copyright 2013, Big Switch Networks, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
**/
package net.floodlightcontroller.virtualnetwork;
import java.io.IOException;
import net.floodlightcontroller.util.MACAddress;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.MappingJsonFactory;
import org.restlet.data.Status;
import org.restlet.resource.Delete;
import org.restlet.resource.Put;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HostResource extends org.restlet.resource.ServerResource {
protected static Logger log = LoggerFactory.getLogger(HostResource.class);
public class HostDefinition {
String port = null; // Logical port name
String guid = null; // Network ID
String mac = null; // MAC Address
String attachment = null; // Attachment name
}
protected void jsonToHostDefinition(String json, HostDefinition host) throws IOException {
MappingJsonFactory f = new MappingJsonFactory();
JsonParser jp;
try {
jp = f.createJsonParser(json);
} catch (JsonParseException e) {
throw new IOException(e);
}
jp.nextToken();
if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
throw new IOException("Expected START_OBJECT");
}
while (jp.nextToken() != JsonToken.END_OBJECT) {
if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
throw new IOException("Expected FIELD_NAME");
}
String n = jp.getCurrentName();
jp.nextToken();
if (jp.getText().equals(""))
continue;
else if (n.equals("attachment")) {
while (jp.nextToken() != JsonToken.END_OBJECT) {
String field = jp.getCurrentName();
if (field.equals("id")) {
host.attachment = jp.getText();
} else if (field.equals("mac")) {
host.mac = jp.getText();
}
}
}
}
jp.close();
}
@Put
public String addHost(String postData) {
IVirtualNetworkService vns =
(IVirtualNetworkService)getContext().getAttributes().
get(IVirtualNetworkService.class.getCanonicalName());
HostDefinition host = new HostDefinition();
host.port = (String) getRequestAttributes().get("port");
host.guid = (String) getRequestAttributes().get("network");
try {
jsonToHostDefinition(postData, host);
} catch (IOException e) {
log.error("Could not parse JSON {}", e.getMessage());
}
vns.addHost(MACAddress.valueOf(host.mac), host.guid, host.port);
setStatus(Status.SUCCESS_OK);
return "{\"status\":\"ok\"}";
}
@Delete
public String deleteHost() {
String port = (String) getRequestAttributes().get("port");
IVirtualNetworkService vns =
(IVirtualNetworkService)getContext().getAttributes().
get(IVirtualNetworkService.class.getCanonicalName());
vns.deleteHost(null, port);
setStatus(Status.SUCCESS_OK);
return "{\"status\":\"ok\"}";
}
}