Examples with PlcReadRequest org.apache.plc4x.java.api.messages.PlcReadRequest used on opensource projects

Example 16 with PlcReadRequest

use of org.apache.plc4x.java.api.messages.PlcReadRequest in project plc4x by apache.

the class EndToEndTest method helloDf1.

@Test
@Disabled("Seems to cause problems on Windows if no COM4 is available")
public void helloDf1() {
    try (PlcConnection plcConnection = new PlcDriverManager().getConnection("df1:serial:///COM4")) {
        PlcReadRequest request = plcConnection.readRequestBuilder().addItem("hurz", "5:INTEGER").build();
        PlcReadResponse response = request.execute().get(100, TimeUnit.SECONDS);
        // TODO: get the actual read bytes from the response
        System.out.println(response);
        System.out.println("Response code was " + response.getResponseCode("erster"));
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 17 with PlcReadRequest

use of org.apache.plc4x.java.api.messages.PlcReadRequest in project incubator-streampipes by apache.

the class Plc4xModbusAdapter method pullData.

/**
 * is called iteratively according to the polling interval defined in getPollInterval.
 */
@Override
protected void pullData() {
    // create PLC read request
    PlcReadRequest.Builder builder = plcConnection.readRequestBuilder();
    for (Map<String, String> node : this.nodes) {
        switch(node.get(PLC_NODE_TYPE)) {
            case "Coil":
                builder.addItem(node.get(PLC_NODE_RUNTIME_NAME), "coil:" + String.valueOf(node.get(PLC_NODE_ADDRESS)));
                break;
            case "HoldingRegister":
                builder.addItem(node.get(PLC_NODE_RUNTIME_NAME), "holding-register:" + String.valueOf(node.get(PLC_NODE_ADDRESS)));
                break;
            case "DiscreteInput":
                builder.addItem(node.get(PLC_NODE_RUNTIME_NAME), "discrete-input:" + String.valueOf(node.get(PLC_NODE_ADDRESS)));
                break;
            case "InputRegister":
                builder.addItem(node.get(PLC_NODE_RUNTIME_NAME), "input-register:" + String.valueOf(node.get(PLC_NODE_ADDRESS)));
                break;
        }
    }
    PlcReadRequest readRequest = builder.build();
    // Execute the request
    PlcReadResponse response = null;
    try {
        response = readRequest.execute().get();
    } catch (InterruptedException ie) {
        ie.printStackTrace();
    } catch (ExecutionException ee) {
        ee.printStackTrace();
    }
    // Create an event containing the value of the PLC
    Map<String, Object> event = new HashMap<>();
    for (Map<String, String> node : this.nodes) {
        if (response.getResponseCode(node.get(PLC_NODE_RUNTIME_NAME)) == PlcResponseCode.OK) {
            switch(node.get(PLC_NODE_TYPE)) {
                case "Coil":
                    event.put(node.get(PLC_NODE_RUNTIME_NAME), response.getBoolean(node.get(PLC_NODE_RUNTIME_NAME)));
                    break;
                case "DiscreteInput":
                    event.put(node.get(PLC_NODE_RUNTIME_NAME), response.getBoolean(node.get(PLC_NODE_RUNTIME_NAME)));
                    break;
                case "InputRegister":
                    event.put(node.get(PLC_NODE_RUNTIME_NAME), response.getInteger(node.get(PLC_NODE_RUNTIME_NAME)));
                    break;
                case "HoldingRegister":
                    event.put(node.get(PLC_NODE_RUNTIME_NAME), response.getInteger(node.get(PLC_NODE_RUNTIME_NAME)));
                    break;
            }
        } else {
            logger.error("Error[" + node.get(PLC_NODE_RUNTIME_NAME) + "]: " + response.getResponseCode(node.get(PLC_NODE_RUNTIME_NAME)));
        }
    }
    // publish the final event
    adapterPipeline.process(event);
}

Example 18 with PlcReadRequest

use of org.apache.plc4x.java.api.messages.PlcReadRequest in project incubator-streampipes by apache.

the class Plc4xS7Adapter method pullData.

/**
 * pullData is called iteratively according to the polling interval defined in getPollInterval.
 */
@Override
protected void pullData() {
    // Create PLC read request
    try (PlcConnection plcConnection = this.driverManager.getConnection("s7://" + this.ip)) {
        PlcReadRequest.Builder builder = plcConnection.readRequestBuilder();
        for (Map<String, String> node : this.nodes) {
            builder.addItem(node.get(PLC_NODE_NAME), node.get(PLC_NODE_NAME) + ":" + node.get(PLC_NODE_TYPE).toUpperCase().replaceAll(" ", "_"));
        }
        PlcReadRequest readRequest = builder.build();
        // Execute the request
        CompletableFuture<? extends PlcReadResponse> asyncResponse = readRequest.execute();
        asyncResponse.whenComplete((response, throwable) -> {
            // Create an event containing the value of the PLC
            if (throwable != null) {
                throwable.printStackTrace();
                this.LOG.error(throwable.getMessage());
            } else {
                Map<String, Object> event = new HashMap<>();
                for (Map<String, String> node : this.nodes) {
                    if (response.getResponseCode(node.get(PLC_NODE_NAME)) == PlcResponseCode.OK) {
                        event.put(node.get(PLC_NODE_RUNTIME_NAME), response.getObject(node.get(PLC_NODE_NAME)));
                    } else {
                        this.LOG.error("Error[" + node.get(PLC_NODE_NAME) + "]: " + response.getResponseCode(node.get(PLC_NODE_NAME)).name());
                    }
                }
                // publish the final event
                adapterPipeline.process(event);
            }
        });
    } catch (InterruptedException | ExecutionException e) {
        this.LOG.error(e.getMessage());
        e.printStackTrace();
    } catch (Exception e) {
        this.LOG.error("Could not establish connection to S7 with ip " + this.ip, e);
        e.printStackTrace();
    }
}

Example 19 with PlcReadRequest

use of org.apache.plc4x.java.api.messages.PlcReadRequest in project plc4x by apache.

the class OpcuaPlcDriverTest method multipleThreads.

/*
        Test added to test the syncronized Trnasactionhandler.
        The test originally failed one out of every 5 or so.
     */
public void multipleThreads() {
    class ReadWorker extends Thread {

        private PlcConnection connection;

        public ReadWorker(PlcConnection opcuaConnection) {
            this.connection = opcuaConnection;
        }

        @Override
        public void run() {
            try {
                PlcReadRequest.Builder read_builder = connection.readRequestBuilder();
                read_builder.addItem("Bool", BOOL_IDENTIFIER_READ_WRITE);
                PlcReadRequest read_request = read_builder.build();
                for (int i = 0; i < 100; i++) {
                    PlcReadResponse read_response = read_request.execute().get();
                    assertThat(read_response.getResponseCode("Bool")).isEqualTo(PlcResponseCode.OK);
                }
            } catch (ExecutionException executionException) {
                executionException.printStackTrace();
            } catch (InterruptedException interruptedException) {
                interruptedException.printStackTrace();
            }
        }
    }
    class WriteWorker extends Thread {

        private PlcConnection connection;

        public WriteWorker(PlcConnection opcuaConnection) {
            this.connection = opcuaConnection;
        }

        @Override
        public void run() {
            try {
                PlcWriteRequest.Builder write_builder = connection.writeRequestBuilder();
                write_builder.addItem("Bool", BOOL_IDENTIFIER_READ_WRITE, true);
                PlcWriteRequest write_request = write_builder.build();
                for (int i = 0; i < 100; i++) {
                    PlcWriteResponse write_response = write_request.execute().get();
                    assertThat(write_response.getResponseCode("Bool")).isEqualTo(PlcResponseCode.OK);
                }
            } catch (ExecutionException executionException) {
                executionException.printStackTrace();
            } catch (InterruptedException interruptedException) {
                interruptedException.printStackTrace();
            }
        }
    }
    try {
        PlcConnection opcuaConnection = new PlcDriverManager().getConnection(tcpConnectionAddress);
        Condition<PlcConnection> is_connected = new Condition<>(PlcConnection::isConnected, "is connected");
        assertThat(opcuaConnection).is(is_connected);
        ReadWorker read_worker = new ReadWorker(opcuaConnection);
        WriteWorker write_worker = new WriteWorker(opcuaConnection);
        read_worker.start();
        write_worker.start();
        read_worker.join();
        write_worker.join();
        opcuaConnection.close();
        assert !opcuaConnection.isConnected();
    } catch (Exception e) {
        fail("Exception during readVariables Test EXCEPTION: " + e.getMessage());
    }
}

Example 20 with PlcReadRequest

use of org.apache.plc4x.java.api.messages.PlcReadRequest in project plc4x by apache.

the class OpcuaPlcDriverTest method readVariables.

@Test
public void readVariables() {
    try {
        PlcConnection opcuaConnection = new PlcDriverManager().getConnection(tcpConnectionAddress);
        Condition<PlcConnection> is_connected = new Condition<>(PlcConnection::isConnected, "is connected");
        assertThat(opcuaConnection).is(is_connected);
        PlcReadRequest.Builder builder = opcuaConnection.readRequestBuilder();
        builder.addItem("Bool", BOOL_IDENTIFIER_READ_WRITE);
        builder.addItem("Byte", BYTE_IDENTIFIER_READ_WRITE);
        builder.addItem("Double", DOUBLE_IDENTIFIER_READ_WRITE);
        builder.addItem("Float", FLOAT_IDENTIFIER_READ_WRITE);
        builder.addItem("Int16", INT16_IDENTIFIER_READ_WRITE);
        builder.addItem("Int32", INT32_IDENTIFIER_READ_WRITE);
        builder.addItem("Int64", INT64_IDENTIFIER_READ_WRITE);
        builder.addItem("Integer", INTEGER_IDENTIFIER_READ_WRITE);
        builder.addItem("SByte", SBYTE_IDENTIFIER_READ_WRITE);
        builder.addItem("String", STRING_IDENTIFIER_READ_WRITE);
        builder.addItem("UInt16", UINT16_IDENTIFIER_READ_WRITE);
        builder.addItem("UInt32", UINT32_IDENTIFIER_READ_WRITE);
        builder.addItem("UInt64", UINT64_IDENTIFIER_READ_WRITE);
        builder.addItem("UInteger", UINTEGER_IDENTIFIER_READ_WRITE);
        builder.addItem("BoolArray", BOOL_ARRAY_IDENTIFIER);
        // builder.addItem("ByteStringArray", BYTE_STRING_ARRAY_IDENTIFIER);
        builder.addItem("ByteArray", BYTE_ARRAY_IDENTIFIER);
        builder.addItem("DoubleArray", DOUBLE_ARRAY_IDENTIFIER);
        builder.addItem("FloatArray", FLOAT_ARRAY_IDENTIFIER);
        builder.addItem("Int16Array", INT16_ARRAY_IDENTIFIER);
        builder.addItem("Int32Array", INT32_ARRAY_IDENTIFIER);
        builder.addItem("Int64Array", INT64_ARRAY_IDENTIFIER);
        builder.addItem("SByteArray", SBYTE_ARRAY_IDENTIFIER);
        builder.addItem("StringArray", STRING_ARRAY_IDENTIFIER);
        builder.addItem("UInt16Array", UINT16_ARRAY_IDENTIFIER);
        builder.addItem("UInt32Array", UINT32_ARRAY_IDENTIFIER);
        builder.addItem("UInt64Array", UINT64_ARRAY_IDENTIFIER);
        builder.addItem("DoesNotExists", DOES_NOT_EXIST_IDENTIFIER_READ_WRITE);
        PlcReadRequest request = builder.build();
        PlcReadResponse response = request.execute().get();
        assertThat(response.getResponseCode("Bool")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Byte")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Double")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Float")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Int16")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Int32")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Int64")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Integer")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("SByte")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("String")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInt16")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInt32")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInt64")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInteger")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("BoolArray")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("ByteArray")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("DoubleArray")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("FloatArray")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Int16Array")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Int32Array")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("Int64Array")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("SByteArray")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("StringArray")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInt16Array")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInt32Array")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("UInt64Array")).isEqualTo(PlcResponseCode.OK);
        assertThat(response.getResponseCode("DoesNotExists")).isEqualTo(PlcResponseCode.NOT_FOUND);
        opcuaConnection.close();
        assert !opcuaConnection.isConnected();
    } catch (Exception e) {
        fail("Exception during readVariables Test EXCEPTION: " + e.getMessage());
    }
}