Example usage for org.apache.commons.net.tftp TFTPClient open

Introduction

In this page you can find the example usage for org.apache.commons.net.tftp TFTPClient open.

Prototype

public void open() throws SocketException 

Source Link

Document

Opens a DatagramSocket on the local host at the first available port.

Usage

From source file:org.sipfoundry.preflight.TFTP.java

public ResultCode validate(int timeout, NetworkResources networkResources, JournalService journalService,
        InetAddress bindAddress) {
    ResultCode results = NONE;/*from w w w.  j a v  a2s .  c o m*/
    InetAddress tftpServerAddress = null;
    String testFile = new String("00D01EFFFFFE");
    String[] verificationStrings = { "LIP-68XX configuration information", "[VOIP]", "outbound_proxy_server",
            "[PROVISION]", "decrypt_key" };

    if (networkResources.configServer == null) {
        journalService.println("No TFTP server provided, skipping test.\n");
        return CONFIG_SERVER_MISSING;
    }

    journalService.println("Starting TFTP server test.");

    TFTPClient tftp = new TFTPClient();

    tftp.setDefaultTimeout(timeout * 1000);

    if (IPAddressUtil.isLiteralIPAddress(networkResources.configServer)) {
        try {
            tftpServerAddress = InetAddress.getByName(networkResources.configServer);
        } catch (UnknownHostException e) {
            // Should never get here.
            e.printStackTrace();
        }
        journalService.println("Using TFTP server literal address: " + networkResources.configServer);
    } else {
        // Try to retrieve A RECORD for TFTP server, checking each DNS server.
        SimpleResolver resolver = null;
        try {
            resolver = new SimpleResolver();
            resolver.setTimeout(timeout);
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }

        for (InetAddress dnsServer : networkResources.domainNameServers) {
            journalService.println(
                    "Looking up TFTP server address via DNS server: " + dnsServer.getCanonicalHostName());
            String targetMessage = new String(
                    "  TFTP server address \"" + networkResources.configServer + "\"");
            resolver.setAddress(dnsServer);
            Lookup aLookup = null;
            try {
                aLookup = new Lookup(networkResources.configServer, Type.A);
            } catch (TextParseException e) {
                journalService.println("  is malformed.\n");
                journalService.println(targetMessage);
                return TFTP_ADDRESS_MALFORMED;
            }
            aLookup.setResolver(resolver);
            Record[] aRecords = aLookup.run();
            switch (aLookup.getResult()) {
            case Lookup.SUCCESSFUL:
                if (aRecords != null) {
                    InetAddress targetAddress = ((ARecord) aRecords[0]).getAddress();
                    targetMessage += " resolves to: " + targetAddress.getHostAddress();
                    journalService.println(targetMessage);
                    if (tftpServerAddress == null) {
                        tftpServerAddress = targetAddress;
                    } else {
                        // Check that multiple lookups result in same address.
                        if (!tftpServerAddress.equals(targetAddress)) {
                            journalService.println("  TFTP server address does not match prior lookup.");
                            results = MULTIPLE_CONFIG_TARGETS;
                        }
                    }
                } else {
                    targetMessage += " could not be resolved.";
                    journalService.println(targetMessage);
                    results = TFTP_TARGET_UNRESOLVED;
                }
                break;
            case Lookup.UNRECOVERABLE:
                targetMessage += " [Unrecoverable error]";
                journalService.println(targetMessage);
                results = TFTP_TARGET_UNRESOLVED;
                break;
            case Lookup.TRY_AGAIN:
                targetMessage += " [Lookup timeout]";
                journalService.println(targetMessage);
                results = TFTP_TARGET_UNRESOLVED;
                break;
            case Lookup.HOST_NOT_FOUND:
                targetMessage += " could not be resolved.";
                journalService.println(targetMessage);
                results = TFTP_TARGET_UNRESOLVED;
                break;
            case Lookup.TYPE_NOT_FOUND:
                targetMessage += " could not be resolved.";
                journalService.println(targetMessage);
                results = TFTP_TARGET_UNRESOLVED;
                break;
            }
        }
    }

    if ((tftpServerAddress == null) || (results == MULTIPLE_CONFIG_TARGETS)) {
        journalService.println("Cannot recover from previous errors, aborting TFTP test.\n");
        return results;
    }

    journalService.println("Beginning TFTP get request of test file: " + testFile);
    // Open local socket
    try {
        tftp.open();
    } catch (SocketException e) {
        journalService.println("TFTP client failure. " + e.getMessage() + "\n");
        return TFTP_CLIENT_FAILURE;
    }

    // Try to receive remote file via TFTP
    try {
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        tftp.open(bindPort, bindAddress);
        tftp.receiveFile(testFile, org.apache.commons.net.tftp.TFTP.ASCII_MODE, output, tftpServerAddress);
        String testFileContents = output.toString();
        boolean verified = true;
        for (String verificationString : verificationStrings) {
            if (!testFileContents.contains(verificationString)) {
                verified = false;
            }
        }
        if (verified) {
            journalService.println("File received successfully.");
        } else {
            journalService.println("File received but contents do not verify.");
            results = TFTP_CONTENTS_FAILED;
        }
    } catch (UnknownHostException e) {
        journalService.println("TFTP client failure. " + e.getMessage());
        results = TFTP_CLIENT_FAILURE;
    } catch (IOException e) {
        journalService.println("TFTP get failed. " + e.getMessage());
        results = TFTP_GET_FAILED;
    } finally {
        // Close local socket and output file
        tftp.close();
    }

    journalService.println("");
    return results;
}

---

From source file:org.xerela.net.sim.tftp.TftpInterface.java

public void sendFile(IpAddress localIp, IpAddress remoteIp, String filename, InputStream file)
        throws UnknownHostException, IOException {
    TFTPClient client = null;
    try {// ww  w.  jav  a2s  .c o  m
        client = new TFTPClient();
        client.setDatagramSocketFactory(new SocketFactory(localIp.getRealAddress()));
        client.open();
        client.sendFile(filename, TFTPClient.BINARY_MODE, file, remoteIp.getIp());
    } finally {
        try {
            client.close();
        } catch (NullPointerException e) {
        }
    }
}

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From source file:person.daizhongde.virtue.util.test.TFTPExample.java

private static void open(TFTPClient tftp) {
    try {/* www .  j  ava2  s .  c  o  m*/
        tftp.open();
    } catch (SocketException e) {
        System.err.println("Error: could not open local UDP socket.");
        System.err.println(e.getMessage());
        System.exit(1);
    }
}

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