Examples of SCClient

com.shop.cache.api.client.io.SCClient
Manages sending commands to a cache server instance @author Jordan Zimmerman
org.serviceconnector.api.cln.SCClient
The class SCClient. Client to a SC. Communication between client and SC starts with attaching the client to the SC. Settings like keep alive interval or max number of connections must be set before attaching the client. After successful attaching the client API user may create session, publish or file services. More information available in specific classes.

State Diagram
```
 || \/ |---------|              |----------| | initial |----attach--->| attached | |         |<---detach----|          | |---------|              |----------| || \/ 
```
Never forget at the end of a communication to detach the client of the SC. Even in case of an error the detach must be done! Like closing a file or a stream. The detach operation does detach client from SC and releases local resources (connections, timers, threads) if not used by another client.

Examples of org.serviceconnector.api.cln.SCClient

    }


    /** {@inheritDoc} */
    @Override
    public void receive(SCMessage msg) {
      @SuppressWarnings("unused")
      SCClient client = this.getService().getSCClient();
      System.out.println(msg);
    }

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Examples of org.serviceconnector.api.cln.SCClient


  /** {@inheritDoc} */
  @Override
  public void run() {
    // Connection to SC over HTTP
    SCClient sc = new SCClient("localhost", 7000, ConnectionType.NETTY_HTTP);
    SCPublishService service = null;


    try {
      sc.setMaxConnections(20); // can be set before attach, default 100 Connections
      sc.setKeepAliveIntervalSeconds(10); // can be set before attach, default 0 -> inactive
      sc.attach(); // attaching client to SC , communication starts


      String serviceName = "publish-1";
      service = sc.newPublishService(serviceName); // name of the service to use


      DemoPublishClientCallback cbk = new DemoPublishClientCallback(service); // callback on service!!
      // set up subscribe message
      SCSubscribeMessage msg = new SCSubscribeMessage();
      String mask = "0000121ABCDEFGHIJKLMNO-----------X-----------";
      msg.setSessionInfo("subscription-info"); // optional
      msg.setData("certificate or what so ever"); // optional
      msg.setMask(mask); // mandatory
      msg.setNoDataIntervalSeconds(100); // mandatory
      SCSubscribeMessage reply = service.subscribe(msg, cbk); // regular subscribe


      String sid = service.getSessionId();


      // wait to receive messages
      while (cbk.receivedMsg < 5) {
        Thread.sleep(1500);
      }
    } catch (Exception e) {
      LOGGER.error("run", e);
    } finally {
      try {
        SCSubscribeMessage msg = new SCSubscribeMessage();
        msg.setSessionInfo("kill server");
        service.unsubscribe(5, msg);
        sc.detach(2); // detaches from SC, stops communication
      } catch (Exception e) {
        LOGGER.info("cleanup " + e.toString());
      }
    }
  }

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Examples of org.serviceconnector.api.cln.SCClient


  /**
   * Run example.
   */
  public static void runExample() {
    SCClient sc = null;
    try {
      sc = new SCClient("localhost", 7000);
      sc.setMaxConnections(100);


      // connects to SC, checks connection to SC
      sc.attach();


      SCSessionService sessionServiceA = sc.newSessionService("session-1");
      // creates a session
      SCMessage scMessage = new SCMessage();
      scMessage.setSessionInfo("sessionInfo");
      sessionServiceA.setEchoTimeoutSeconds(300);
      SCMessageCallback cbk = new ExampleCallback(sessionServiceA);
      sessionServiceA.createSession(60, scMessage, cbk);


      SCMessage requestMsg = new SCMessage();
      requestMsg.setData("Hello World");
      requestMsg.setCompressed(false);
      SCMessage responseMsg = sessionServiceA.execute(requestMsg);


      System.out.println(responseMsg.getData().toString());
      // deletes the session
      sessionServiceA.deleteSession();


    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      try {
        // disconnects from SC
        sc.detach();
      } catch (Exception e) {
        sc = null;
      }
    }
  }

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Examples of org.serviceconnector.api.cln.SCClient

    }


    /** {@inheritDoc} */
    @Override
    public void receive(SCMessage msg) {
      @SuppressWarnings("unused")
      SCClient client = this.getService().getSCClient();
      System.out.println(msg);
    }

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Examples of org.serviceconnector.api.cln.SCClient

        List<String> networkInterfaces = myLocalListenerConfiguration.getNetworkInterfaces();
        for (String networkInterface : networkInterfaces) {
          String host = networkInterface;
          int port = myLocalListenerConfiguration.getPort();
          try {
            SCClient localClient = new SCClient(host, port, ConnectionType.NETTY_TCP);
            localClient.attach();
            return localClient;
          } catch (Exception e) {
            LOGGER.warn("upload current log files, connect to network interface " + host + " failed. " + e.toString());
          }
        }
      }
      responder = responderRegistry.getFirstResponderForConnectionType(ConnectionType.NETTY_HTTP);
      if (responder != null) {
        ListenerConfiguration myLocalListenerConfiguration = responder.getListenerConfig();
        List<String> networkInterfaces = myLocalListenerConfiguration.getNetworkInterfaces();
        // no netty tcp endpoint is available, try to get netty http
        for (String networkInterface : networkInterfaces) {
          String host = networkInterface;
          int port = myLocalListenerConfiguration.getPort();
          try {
            SCClient localClient = new SCClient(host, port, ConnectionType.NETTY_HTTP);
            localClient.attach();
            return localClient;
          } catch (Exception e) {
            LOGGER.warn("upload current log files, connect to network interface " + host + " and port " + port
                + " failed. " + e.toString());
          }
        }
      }
      return null;
    }
    if (service instanceof CascadedFileService) {
      CascadedFileService cascadedFileService = (CascadedFileService) service;
      CascadedSC cascadedSC = cascadedFileService.getCascadedSC();
      String host = cascadedSC.getHost();
      int port = cascadedSC.getPortNr();
      String connectionType = cascadedSC.getConnectionType();
      try {
        SCClient localClient = new SCClient(host, port, ConnectionType.getType(connectionType));
        localClient.attach();
        return localClient;
      } catch (Exception e) {
        LOGGER.warn("upload current log files, connect to network interface " + host + " and port " + port + " failed. "
            + e.toString());
      }

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Examples of org.serviceconnector.api.cln.SCClient

    ServiceRegistry serviceRegistry = AppContext.getServiceRegistry();
    writer.writeStartElement("service");
    Service service = serviceRegistry.getService(serviceName);
    this.writeBean(writer, service);
    if (service instanceof FileService || service instanceof CascadedFileService) {
      SCClient client = null;
      // try to connect client
      client = connectClientToService(service);
      SCFileService scFileService = client.newFileService(serviceName);
      List<String> fileList = scFileService.listFiles();
      writer.writeStartElement("files");
      for (String fileName : fileList) {
        writer.writeStartElement("file");
        writer.writeCData(fileName);
        writer.writeEndElement();
      }
      writer.writeEndElement();
      if (client != null) {
        client.detach();
      }
    }
    writer.writeEndElement(); // close service tag
    // load current configuration directory
    String configFileName = SystemInfo.getConfigFileName();

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Examples of org.serviceconnector.api.cln.SCClient

    ServiceRegistry serviceRegistry = AppContext.getServiceRegistry();
    writer.writeStartElement("service");
    Service service = serviceRegistry.getService(serviceName);
    this.writeBean(writer, service);
    if (service instanceof FileService || service instanceof CascadedFileService) {
      SCClient client = null;
      // try to connect client
      client = connectClientToService(service);
      SCFileService scFileService = client.newFileService(serviceName);
      List<String> fileList = scFileService.listFiles();
      writer.writeStartElement("files");
      for (String fileName : fileList) {
        if (fileName.startsWith(Constants.LOGS_FILE_NAME)) {
          writer.writeStartElement("file");
          writer.writeCData(fileName);
          writer.writeEndElement();
        }
      }
      writer.writeEndElement();
      if (client != null) {
        client.detach();
      }
    }
    writer.writeEndElement(); // close service tag
    // get logs xml loader from factory
    LogsXMLLoader logsXMLLoader = (LogsXMLLoader) XMLLoaderFactory.getXMLLoader("/logs");

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Examples of org.serviceconnector.api.cln.SCClient

  }


  public void setUpClientToSC() throws Exception {
    if (cascadingLevel == 0) {
      mgmtClient = new SCMgmtClient(TestConstants.HOST, TestConstants.PORT_SC0_TCP, ConnectionType.NETTY_TCP);
      guardianClient = new SCClient(TestConstants.HOST, TestConstants.PORT_SC0_TCP, ConnectionType.NETTY_TCP);
      sessionClient = new SCClient(TestConstants.HOST, TestConstants.PORT_SC0_TCP, ConnectionType.NETTY_TCP);
    } else if (cascadingLevel == 1) {
      mgmtClient = new SCMgmtClient(TestConstants.HOST, TestConstants.PORT_SC1_TCP, ConnectionType.NETTY_TCP);
      guardianClient = new SCClient(TestConstants.HOST, TestConstants.PORT_SC1_TCP, ConnectionType.NETTY_TCP);
      sessionClient = new SCClient(TestConstants.HOST, TestConstants.PORT_SC1_TCP, ConnectionType.NETTY_TCP);
    } else if (cascadingLevel == 2) {
      mgmtClient = new SCMgmtClient(TestConstants.HOST, TestConstants.PORT_SC2_TCP, ConnectionType.NETTY_TCP);
      guardianClient = new SCClient(TestConstants.HOST, TestConstants.PORT_SC2_TCP, ConnectionType.NETTY_TCP);
      sessionClient = new SCClient(TestConstants.HOST, TestConstants.PORT_SC2_TCP, ConnectionType.NETTY_TCP);
    }
    mgmtClient.attach();
    guardianClient.attach();
    sessionClient.attach();
    cacheGuardianCbk = new GuardianCbk();

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Examples of org.serviceconnector.api.cln.SCClient

    String status = "successful (copied)";
    if (dstFile.exists()) {
      status = "successful (replaced)";
    }
    FileOutputStream dstStream = null;
    SCClient client = null;
    try {
      // try to connect client
      client = connectClientToService(service);
      SCFileService scFileService = client.newFileService(service.getName());
      dstStream = new FileOutputStream(dstFile);
      scFileService.downloadFile(remoteFile, dstStream);
      writer.writeStartElement("message");
      writer.writeCharacters(dstFile.getName() + "  " + status);
      writer.writeEndElement();
    } catch (Exception e) {
      status = "failed";
      writer.writeStartElement("message");
      writer.writeCharacters(dstFile.getName() + "  " + status);
      writer.writeEndElement();
      throw e;
    } finally {
      if (dstStream != null) {
        try {
          dstStream.close();
        } catch (Exception e) {
        }
      }
      if (client != null) {
        client.detach();
      }
    }
  }

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Examples of org.serviceconnector.api.cln.SCClient

   */
  private String uploadLogAndDumpFiles(Service service, String serviceName, Date date) throws Exception {
    if (!(service instanceof FileService || service instanceof CascadedFileService)) {
      throw new WebCommandException("upload current log and dump files, service is not a file or cascaded file service");
    }
    SCClient client = null;
    // try to connect client
    client = connectClientToService(service);
    // client gets destroyed at the end of upload inside the uploadLogFiles method
    // has to be inside because the upload works asynchronous
    if (client == null) {

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