package com.intelligt.modbus.jlibmodbus.net.stream;
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import com.intelligt.modbus.jlibmodbus.Modbus;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.LoggingInputStream;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusInputStream;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.net.Socket;
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import java.net.SocketException;
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/*
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* Copyright (C) 2016 "Invertor" Factory", JSC
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* [http://www.sbp-invertor.ru]
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*
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* This file is part of JLibModbus.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Authors: Vladislav Y. Kochedykov, software engineer.
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* email: vladislav.kochedykov@gmail.com
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*/
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public class InputStreamTCP extends LoggingInputStream {
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public InputStreamTCP(final Socket s) throws IOException {
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super(new ModbusInputStream() {
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final private Socket socket = s;
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final private BufferedInputStream in = new BufferedInputStream(s.getInputStream());
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@Override
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public int read() throws IOException {
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int c = in.read();
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if (-1 == c) {
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throw new IOException("Input stream is closed");
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}
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return c;
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}
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@Override
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public int read(byte[] b, int off, int len) throws IOException {
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int count = 0;
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int k = 0;
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while (count < len && k != -1) {
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k = in.read(b, off + count, len - count);
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if (-1 != k)
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count += k;
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}
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return count;
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}
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@Override
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public void setReadTimeout(int readTimeout) {
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try {
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socket.setSoTimeout(readTimeout);
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} catch (SocketException e) {
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Modbus.log().warning(e.getLocalizedMessage());
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}
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}
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@Override
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public void close() throws IOException {
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in.close();
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}
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});
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}
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}
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