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@ -60,21 +60,22 @@ public class FourLetterWordMain { |
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public static String send4LetterWord(String host, int port, String cmd, int timeout) |
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public static String send4LetterWord(String host, int port, String cmd, int timeout) |
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throws IOException { |
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throws IOException { |
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LOG.info("connecting to {} {}", host, port); |
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LOG.info("connecting to {} {}", host, port); |
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Socket sock = new Socket(); |
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InetSocketAddress hostaddress= host != null ? new InetSocketAddress(host, port) : |
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InetSocketAddress hostaddress= host != null ? new InetSocketAddress(host, port) : |
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new InetSocketAddress(InetAddress.getByName(null), port); |
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new InetSocketAddress(InetAddress.getByName(null), port); |
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BufferedReader reader = null; |
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try (Socket sock = new Socket(); |
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try { |
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OutputStream outstream = sock.getOutputStream(); |
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BufferedReader reader = |
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new BufferedReader( |
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new InputStreamReader(sock.getInputStream()))) { |
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sock.setSoTimeout(timeout); |
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sock.setSoTimeout(timeout); |
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sock.connect(hostaddress, timeout); |
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sock.connect(hostaddress, timeout); |
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OutputStream outstream = sock.getOutputStream(); |
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outstream.write(cmd.getBytes()); |
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outstream.write(cmd.getBytes()); |
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outstream.flush(); |
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outstream.flush(); |
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// this replicates NC - close the output stream before reading
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// this replicates NC - close the output stream before reading
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sock.shutdownOutput(); |
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sock.shutdownOutput(); |
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reader = |
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new BufferedReader( |
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new InputStreamReader(sock.getInputStream())); |
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StringBuilder sb = new StringBuilder(); |
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StringBuilder sb = new StringBuilder(); |
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String line; |
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String line; |
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while((line = reader.readLine()) != null) { |
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while((line = reader.readLine()) != null) { |
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@ -83,6 +84,11 @@ public class FourLetterWordMain { |
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return sb.toString(); |
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return sb.toString(); |
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} catch (SocketTimeoutException e) { |
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} catch (SocketTimeoutException e) { |
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throw new IOException("Exception while executing four letter word: " + cmd, e); |
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throw new IOException("Exception while executing four letter word: " + cmd, e); |
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} finally { |
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sock.close(); |
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if (reader != null) { |
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reader.close(); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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Tboy
5 years ago
committed by
GitHub