KAA-1654: Add CoAP transport to Kaa #1361
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| package org.kaaproject.kaa.client.channel.impl.channels; | ||
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Contributor
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| import org.eclipse.californium.core.CoapClient; | ||
| import org.eclipse.californium.core.CoapResponse; | ||
| import org.eclipse.californium.core.Utils; | ||
| import org.eclipse.californium.core.coap.MediaTypeRegistry; | ||
| import org.kaaproject.kaa.client.channel.ChannelDirection; | ||
| import org.kaaproject.kaa.client.channel.IpTransportInfo; | ||
| import org.kaaproject.kaa.client.channel.KaaDataChannel; | ||
| import org.kaaproject.kaa.client.channel.KaaDataDemultiplexer; | ||
| import org.kaaproject.kaa.client.channel.KaaDataMultiplexer; | ||
| import org.kaaproject.kaa.client.channel.ServerType; | ||
| import org.kaaproject.kaa.client.channel.TransportConnectionInfo; | ||
| import org.kaaproject.kaa.client.channel.TransportProtocolId; | ||
| import org.kaaproject.kaa.client.channel.TransportProtocolIdConstants; | ||
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| import org.kaaproject.kaa.client.channel.connectivity.ConnectivityChecker; | ||
| import org.kaaproject.kaa.common.TransportType; | ||
| import org.kaaproject.kaa.common.endpoint.security.MessageEncoderDecoder; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| /** | ||
| * Created with IntelliJ IDEA. | ||
| * User: root | ||
| * Date: 10/24/16 | ||
| * Time: 10:52 AM | ||
| * To change this template use File | Settings | File Templates. | ||
| */ | ||
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| public class CoapChannel implements KaaDataChannel { | ||
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| public static final Logger LOG = LoggerFactory // NOSONAR | ||
| .getLogger(CoapChannel.class); | ||
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| private static final Map<TransportType, ChannelDirection> SUPPORTED_TYPES = new HashMap<TransportType, ChannelDirection>(); | ||
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| static { | ||
| SUPPORTED_TYPES.put(TransportType.PROFILE, ChannelDirection.BIDIRECTIONAL); | ||
| SUPPORTED_TYPES.put(TransportType.CONFIGURATION, ChannelDirection.BIDIRECTIONAL); | ||
| SUPPORTED_TYPES.put(TransportType.NOTIFICATION, ChannelDirection.BIDIRECTIONAL); | ||
| } | ||
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| private static final String CHANNEL_ID = "default_coap_channel"; | ||
| private KaaDataDemultiplexer demultiplexer; | ||
| private KaaDataMultiplexer multiplexer; | ||
| // private volatile State channelState = State.CLOSED; | ||
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| private IpTransportInfo currentServer; | ||
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| @Override | ||
| public void sync(TransportType type) { | ||
| sync(Collections.singleton(type)); | ||
| } | ||
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| @Override | ||
| public void sync(Set<TransportType> types) { | ||
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| // if (channelState == State.SHUTDOWN) { | ||
| // LOG.info("Can't sync. Channel [{}] is down", getId()); | ||
| // return; | ||
| // } | ||
| // if (channelState == State.PAUSE) { | ||
| // LOG.info("Can't sync. Channel [{}] is paused", getId()); | ||
| // return; | ||
| // } | ||
| // if (channelState != State.OPENED) { | ||
| // LOG.info("Can't sync. Channel [{}] is waiting for CONNACK message + KAASYNC message", getId()); | ||
| // return; | ||
| // } | ||
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| if (multiplexer == null) { | ||
| LOG.warn("Can't sync. Channel {} multiplexer is not set", getId()); | ||
| return; | ||
| } | ||
| if (demultiplexer == null) { | ||
| LOG.warn("Can't sync. Channel {} demultiplexer is not set", getId()); | ||
| return; | ||
| } | ||
| // if (currentServer == null || socket == null) { | ||
| // LOG.warn("Can't sync. Server is {}, socket is \"{}\"", currentServer, socket); | ||
| // return; | ||
| // } | ||
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| Map<TransportType, ChannelDirection> typeMap = new HashMap<>(getSupportedTransportTypes().size()); | ||
| for (TransportType type : types) { | ||
| LOG.info("Processing sync {} for channel [{}]", type, getId()); | ||
| ChannelDirection direction = getSupportedTransportTypes().get(type); | ||
| if (direction != null) { | ||
| typeMap.put(type, direction); | ||
| } else { | ||
| LOG.error("Unsupported type {} for channel [{}]", type, getId()); | ||
| } | ||
| for (Map.Entry<TransportType, ChannelDirection> typeIt : getSupportedTransportTypes().entrySet()) { | ||
| if (!typeIt.getKey().equals(type)) { | ||
| typeMap.put(typeIt.getKey(), ChannelDirection.DOWN); | ||
| } | ||
| } | ||
| } | ||
| // try { | ||
| // sendKaaSyncRequest(typeMap); | ||
| // } catch (Exception e) { | ||
| // LOG.error("Failed to sync channel [{}]", getId(), e); | ||
| // } | ||
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| } | ||
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| @Override | ||
| public void syncAll() { | ||
| //To change body of implemented methods use File | Settings | File Templates. | ||
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| } | ||
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| @Override | ||
| public void syncAck(TransportType type) { | ||
| LOG.info("Adding sync acknowledgement for type {} as a regular sync for channel [{}]", type, getId()); | ||
| syncAck(Collections.singleton(type)); | ||
| } | ||
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| @Override | ||
| public void syncAck(Set<TransportType> type) { | ||
| //To change body of implemented methods use File | Settings | File Templates. | ||
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| } | ||
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| @Override | ||
| public String getId() { | ||
| return CHANNEL_ID; | ||
| } | ||
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| @Override | ||
| public TransportProtocolId getTransportProtocolId() { | ||
| return TransportProtocolIdConstants.COAP_TRANSPORT_ID; | ||
| } | ||
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| @Override | ||
| public ServerType getServerType() { | ||
| return ServerType.OPERATIONS; | ||
| } | ||
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| @Override | ||
| public void setDemultiplexer(KaaDataDemultiplexer demultiplexer) { | ||
| if (demultiplexer != null) { | ||
| this.demultiplexer = demultiplexer; | ||
| } | ||
| } | ||
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| @Override | ||
| public void setMultiplexer(KaaDataMultiplexer multiplexer) { | ||
| if (multiplexer != null) { | ||
| this.multiplexer = multiplexer; | ||
| } | ||
| } | ||
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| @Override | ||
| public void setServer(TransportConnectionInfo server) { | ||
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| LOG.info("Setting server [{}] for channel [{}]", server, getId()); | ||
| if (server == null) { | ||
| LOG.warn("Server is null for Channel [{}].", getId()); | ||
| return; | ||
| } | ||
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| IpTransportInfo oldServer = currentServer; | ||
| this.currentServer = new IpTransportInfo(server); | ||
| //this.encDec = new MessageEncoderDecoder(state.getPrivateKey(), state.getPublicKey(), currentServer.getPublicKey()); | ||
| //uncompelete! | ||
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| } | ||
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| @Override | ||
| public TransportConnectionInfo getServer() { | ||
| return currentServer; | ||
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| } | ||
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| @Override | ||
| public void setConnectivityChecker(ConnectivityChecker checker) { | ||
| //To change body of implemented methods use File | Settings | File Templates. | ||
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| } | ||
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| @Override | ||
| public Map<TransportType, ChannelDirection> getSupportedTransportTypes() { | ||
| return SUPPORTED_TYPES; | ||
| } | ||
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| @Override | ||
| public void shutdown() { | ||
| } | ||
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| @Override | ||
| public void pause() { | ||
| } | ||
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| @Override | ||
| public void resume() { | ||
| } | ||
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| /** | ||
| * | ||
|
There was a problem hiding this comment. Here we need some more java-docs with explanation. It would be better if all comments inside this method are moved to the java-doc . |
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| * @param myUri uri of source | ||
| * @param method CoAP method like POST,GET,... | ||
| * @param payload Message Payload | ||
| * @param msgType Confirmable or Non confirmable | ||
| * @return server response | ||
| */ | ||
| public CoapResponse sendData(String myUri, String method, String payload, String msgType) { | ||
| LOG.info("this is SendData function!"); | ||
| URI uri = null; | ||
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| if (myUri != null) { | ||
| // input URI from command line arguments | ||
| try { | ||
| uri = new URI(myUri); | ||
| } catch (URISyntaxException exception) { | ||
| LOG.info("Invalid URI: " + exception.getMessage()); | ||
| // System.exit(-1); | ||
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| } | ||
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| CoapClient client = new CoapClient(uri); | ||
| LOG.info(" new coap client is registerd"); | ||
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| CoapResponse response; | ||
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| if (msgType == "NON") { | ||
| client.useNONs(); | ||
| } else { | ||
| client.useCONs(); | ||
| } | ||
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| if (method == "post") { | ||
| response = client.post(payload, MediaTypeRegistry.TEXT_PLAIN); | ||
| } else { | ||
| response = client.get(); | ||
| } | ||
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| if (response != null) { | ||
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| LOG.info(String.valueOf(response.getCode())); | ||
| LOG.info(String.valueOf(response.getOptions())); | ||
| LOG.info(response.getResponseText()); | ||
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| LOG.info("\nADVANCED\n"); | ||
| // access advanced API with access to more details through .advanced() | ||
| LOG.info(Utils.prettyPrint(response)); | ||
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| } else { | ||
| LOG.info("No response received."); | ||
| } | ||
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| return response; | ||
| } else { | ||
| // display help | ||
| LOG.info("Californium (Cf) GET Client"); | ||
| LOG.info("(c) 2014, Institute for Pervasive Computing, ETH Zurich"); | ||
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| String simpleName = CoapChannel.class.getSimpleName(); | ||
| LOG.info("Usage: " + simpleName + " URI"); | ||
| LOG.info("URI: The CoAP URI of the remote resource to GET"); | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
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We should avoid snapshot versions of external libraries.
Please use one of the release versions.
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Californium version changed to 2.0.0-M2 .