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Christos Houtouridis 2018-12-08 20:35:58 +02:00
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2
.gitignore vendored
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@ -2,3 +2,5 @@
*.project
*.classpath
*.pdf
*.doc

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bin/net/hoo2/auth/vmodem/AQR.class
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bin/net/hoo2/auth/vmodem/Com.class
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bin/net/hoo2/auth/vmodem/Echo.class
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bin/net/hoo2/auth/vmodem/GPS.class
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bin/net/hoo2/auth/vmodem/Image.class
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bin/net/hoo2/auth/vmodem/Log.class
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bin/net/hoo2/auth/vmodem/Transaction.class
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bin/net/hoo2/auth/vmodem/VirtualModem.class
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report/src/echo_home_2018-12-1-1759.csv Normal file
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86
src/net/hoo2/auth/vmodem/AQR.java
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@ -1,25 +1,47 @@
/**
* @file AQR.java
*
* @author Christos Choutouridis AEM:8997
* @email cchoutou@ece.auth.gr
*/
package net.hoo2.auth.vmodem;
/** @name imports */
/** @{ */
import java.util.*;
/** @} */
/**
* @class AQR
*
* Class to used for the ACK-NACK sequence
*/
class AQR {
static final int AQ_DURATION_DEFAULT = 240;
static final int AQR_BUFFER_SIZE = 256;
static final String AQR_BEGIN = "PSTART";
static final String AQR_END = "PSTOP";
static final int AQ_DURATION_DEFAULT = 240; /**< Default duration for the sequence */
static final int AQR_BUFFER_SIZE = 256; /**< AQR buffer size */
static final String AQR_BEGIN = "PSTART"; /**< Begin pattern of the response */
static final String AQR_END = "PSTOP"; /**< End pattern of the response */
static final int AQR_SEQUENCE_BEGIN = 31;
static final int AQR_SEQUENCE_END = 47;
static final int AQR_CRC_BEGIN = 49;
static final int AQR_CRC_END = 52;
static final int AQR_SEQUENCE_BEGIN = 31; /**< The response sequence string position */
static final int AQR_SEQUENCE_END = 47; /**< The end of response sequence string position */
static final int AQR_CRC_BEGIN = 49; /**< The response crc string position */
static final int AQR_CRC_END = 52; /**< The end of response crc string position */
private Com com_;
private Log log_;
private Transaction transaction_;
private int duration_;
private byte[] ack_;
private byte[] nack_;
private Com com_; /**< Reference to communication module */
private Log log_; /**< Reference to logging module */
private Transaction transaction_; /**< A transaction object to used as a buffer for all requests */
private int duration_; /**< The desired duration for the session */
private byte[] ack_; /**< The desired ACK code for the session */
private byte[] nack_; /**< The desired NACK code for the session */
/**
* Basic constructor
* @param com The Com module to use
* @param log The Log module to use
* @param ack The desired ACK code
* @param nack The desired NACK code
* @param duration The desired duration for the session
*/
AQR (Com com, Log log, byte[] ack, byte[] nack, int duration) {
com_ = com;
log_ = log;
@ -28,7 +50,13 @@ class AQR {
ack_ = ack;
nack_ = nack;
}
/**
* Functionality to drain the response buffer for the welcome message
* from the server
* @param ack The ack code that we will use (for printing, not sending)
* @param nack The nack code that we will use (for printing, not sending)
*/
void caption (byte[] ack, byte[] nack) {
String line;
@ -40,6 +68,10 @@ class AQR {
log_.out(line);
}
/**
* Main transaction loop. It send requests to server, get the response
* and log the procedure while doing it.
*/
void run () {
long start;
long now;
@ -51,12 +83,13 @@ class AQR {
start = System.currentTimeMillis();
do {
// Check if the previous transaction was error-free
if (good)
transaction_ = com_.request(transaction_, ack_, AQR_BEGIN.getBytes(), AQR_END.getBytes(), false);
else
transaction_ = com_.request(transaction_, nack_, AQR_BEGIN.getBytes(), AQR_END.getBytes(), false);
good = (_crc_check(transaction_.response)) ? true : false;
bads = (good) ? 0 : bads+1;
good = (_crc_check(transaction_.response)) ? true : false; // crc check the response
bads = (good) ? 0 : bads+1; // count the error strike
// delay calculation
if (prev && !good) mark = transaction_.departure;
@ -73,18 +106,33 @@ class AQR {
now = System.currentTimeMillis();
} while (now - start < duration_*1000);
}
/** @name private helper API */
/**@{ */
/**
* A CRC check functionality
* @param data The data to check for validity
* @return The check result
*/
private boolean _crc_check (byte[] data) {
byte[] seq = Arrays.copyOfRange(data, AQR_SEQUENCE_BEGIN, AQR_SEQUENCE_END);
int crc = Integer.valueOf(
new String(Arrays.copyOfRange(data, AQR_CRC_BEGIN, AQR_CRC_END)));
return (crc == _crc(seq)) ? true : false;
}
/**
* A CRC calculation function. This primitive CRC calculator
* does not use any known CRC polynomial. It just uses XOR
* @param data Reference to buffer
* @return The CRC result
*/
private int _crc (byte[] data) {
int calc =0;
for (int i=0 ; i<data.length ; ++i)
calc ^= data[i];
return calc;
}
/**@} */
}

154
src/net/hoo2/auth/vmodem/Com.java
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@ -1,17 +1,35 @@
/**
* @file Com.java
*
* @author Christos Choutouridis AEM:8997
* @email cchoutou@ece.auth.gr
*/
package net.hoo2.auth.vmodem;
/** @name imports */
/** @{ */
import java.util.Arrays;
import ithakimodem.*;
/** @} */
/**
* @class Com
*
* Wrapper object of the provided Modem class to provide
* a convenient and common API for all the session functionalities
*/
class Com {
static final int SPEED_DEFAULT = 48000;
static final int TIMEOUT_DEFAULT = 2000;
static final String URL_DEFAULT = "ithaki";
static final int SPEED_DEFAULT = 48000; /**< default communication speed [bps] */
static final int TIMEOUT_DEFAULT = 2000; /**< default timeout values [sec] */
static final String URL_DEFAULT = "ithaki"; /**< Default destination. Ithaki of-course */
private Modem modem_;
private int speed_;
private int timeout_;
private Modem modem_; /**< Ref to Modem */
private int speed_; /**< Communication speed [bps] */
private int timeout_; /**< communication timeout [sec] */
/**
* Basic constructor
*/
Com () {
modem_ = new Modem();
speed_ = SPEED_DEFAULT;
@ -19,6 +37,14 @@ class Com {
modem_.setSpeed(speed_);
modem_.setTimeout(timeout_);
}
/** A more fancy constructor
*
* @param log Reference to Log to use
* @param speed The desired speed [bps]
* @param timeout The desired timeout [sec]
* @note
* Currently not used
*/
Com (Log log, int speed, int timeout) {
modem_ = new Modem();
speed_ = speed;
@ -26,63 +52,96 @@ class Com {
modem_.setSpeed(speed_);
modem_.setTimeout(timeout_);
}
// get/set
/** @name Mutator interface */
/**@{ */
/** Get the current timeout value [sec] */
int timeout () { return timeout_; }
/** Set the timeout value [sec] */
void timeout (int timeout) {
if (timeout_ != timeout) {
timeout_ = timeout;
modem_.setTimeout(timeout_);
}
}
/** Get the current speed [bps] */
int speed () { return speed_; }
/** Set the speed [bps] */
void speed (int speed) {
if (speed_ != speed) {
speed_ = speed;
modem_.setSpeed(speed_);
}
}
/**@} */
/** @name Public API of the class */
/**@{ */
/** Open a communication channel with a URL */
boolean open (String url) { return modem_.open(url); }
/** Open a communication channel with Ithaki */
boolean open () { return modem_.open(URL_DEFAULT); }
/** Close the connection */
boolean close() { return modem_.close(); }
/**
* @grief The basic communication functionality
*
* This function sends a request to server and return the response. In order to
* do that, the main reading loop seeks for the starting pattern and use the data
* from that point up to the ending pattern. This is very helpful for binary incoming
* data.
* @note
* Blocking mode
* @param data Reference to Transaction data to use @see Transaction
* @param code The request code to send
* @param begin The starting pattern of the response data
* @param end The ending pattern of the response data
* @param bin A flag to indicate that the data are in binary form
* @return Reference to Transaction object with the response data. @see Transaction
*/
Transaction request (Transaction data, byte[] code, byte[] begin, byte[] end, boolean bin) {
int ch =0;
boolean have_begin = (begin != null) ? false : true;
boolean incoming = false;
// Clear the receive buffer first
_clear (data.response, 0, data.response.length);
if (code != null) {
data.code = code;
modem_.write(data.code);
// if we have a request
data.code = code; // store the request code for the transaction
modem_.write(data.code); // send the code and mark the time
modem_.write((int)'\r');
data.departure = System.currentTimeMillis();// - (long)((8*(data.code.length+1))*(1000.0/speed_));
}
// main receive loop
data.size =0;
do {
// escape guard for memory protection
if (data.size >= data.response.length) {
data.size =0;
return data;
}
// read the data byte from server
try {
ch = modem_.read();
}
catch (Exception e) {
// Oops!!!! something went wrong. Break and return :(
System.err.println (e.getMessage());
data.size =0;
return data;
}
if (!incoming) {
// first byte triggered. mark the time
incoming = true;
data.arrival = System.currentTimeMillis();// - (long)(8*(1000.0/speed_));
}
data.response [data.size++] = (byte)ch;
data.response [data.size++] = (byte)ch; // store the byte
if (!have_begin && (detect(data.response, begin, data.size) != -1)) {
// If begin pattern detected, start over.
_clear(data.response, 0, data.size);
data.size = _copy (data.response, begin);
have_begin = true;
@ -95,9 +154,28 @@ class Com {
)
)
);
/*^
* We loop until:
* 1) server returns -1
* 2) A end pattern arrives
* 3) A "\r\n\n\n" sequence arrives (in character mode, not for binary files)
* 4) A "NO CARRIER" sequence arrives (in character mode, not for binary files)
*/
return data;
}
/**
* @brief
* A pattern detect functionality.
*
* Search in data input for the pattern and return its position if found.
* @note
* O(n^2) in time.
* @param data The data buffer to search into
* @param pattern The pattern to search for
* @param max The maximum length to search
* @return The position of pattern in data, or -1 if not found
*/
static int detect (byte[] data, byte[] pattern, int max) {
if (pattern != null) {
for (int i =0 ; i<max && i<data.length - pattern.length; ++i) {
@ -114,12 +192,27 @@ class Com {
}
return -1;
}
/**@} */
/** @name Private helper api */
/**@{*/
/**
* Clear a buffer segment
* @param buffer Buffer to clear
* @param begin The starting point
* @param end The ending point
*/
private void _clear (byte[] buffer, int begin, int end) {
for (int i=begin ; i<end && i<buffer.length ; ++i)
buffer[i] = 0;
}
/**
* Copy a buffer to another
* @param dest The destination buffer
* @param src The source buffer
* @return The number of bytes copied
*/
private int _copy (byte[] dest, byte[] src) {
if (dest.length >= src.length) {
for (int i=0 ; i<src.length ; ++i)
@ -128,24 +221,35 @@ class Com {
}
return 0;
}
/**@}*/
}
/**
* @class
* Class to represent client-server transaction data
*/
class Transaction {
byte[] code;
byte[] response;
long departure;
long arrival;
int size;
byte[] code; /**< request code from client */
byte[] response; /**< response data from server */
long departure; /**< request time */
long arrival; /**< response time */
int size; /**< size of response data in bytes */
/**
* Basic constructor
* @param code Code to use
* @param response Response buffer to use
*/
Transaction (byte[] code, byte[] response) {
this.code = code;
this.response = response;
departure = arrival = 0;
size = 0;
}
/**
* Get a copy of the response
*/
byte[] getResponse() {
return Arrays.copyOf(response, size);
}

48
src/net/hoo2/auth/vmodem/Echo.java
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@ -1,25 +1,49 @@
/**
* @file Echo.java
*
* @author Christos Choutouridis AEM:8997
* @email cchoutou@ece.auth.gr
*/
package net.hoo2.auth.vmodem;
/**
* @class Echo
*
* Class to used for the echo sequence
*/
class Echo {
static final int ECHO_DURATION_DEFAULT = 240;
static final int ECHO_BUFFER_SIZE = 256;
static final String ECHO_BEGIN = "PSTART";
static final String ECHO_END = "PSTOP";
static final int ECHO_DURATION_DEFAULT = 240; /**< Default duration for the sequence */
static final int ECHO_BUFFER_SIZE = 256; /**< Echo buffer size */
static final String ECHO_BEGIN = "PSTART"; /**< Begin pattern of the response */
static final String ECHO_END = "PSTOP"; /**< End pattern of the response */
private Com com_;
private Log log_;
private Transaction transaction_;
private int duration_;
private byte[] code_;
private Com com_; /**< Reference to communication module */
private Log log_; /**< Reference to logging module */
private Transaction transaction_; /**< A transaction object to used as a buffer for all requests */
private int duration_; /**< The desired duration for the session */
private byte[] code_; /**< The desired code for the session */
/**
* Basic constructor
* @param com The Communication module to use
* @param log The logging module to use
* @param code The code to use
* @param duration The duration to use
*/
Echo (Com com, Log log, byte[] code, int duration) {
com_ = com;
log_ = log;
duration_ = duration;
// Allocate memory for the response
transaction_= new Transaction(null, new byte[ECHO_BUFFER_SIZE]);
code_ = code;
}
/**
* Functionality to drain the response buffer for the welcome message
* from the server
* @param code The code that we will use (for printing, not sending)
*/
void caption (byte[] code) {
String line;
@ -31,6 +55,10 @@ class Echo {
log_.out(line);
}
/**
* Main transaction loop. It send requests to server, get the response
* and log the procedure while doing it.
*/
void run () {
long start;
long now;

87
src/net/hoo2/auth/vmodem/GPS.java
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@ -1,31 +1,48 @@
/**
* @file GPS.java
*
* @author Christos Choutouridis AEM:8997
* @email cchoutou@ece.auth.gr
*/
package net.hoo2.auth.vmodem;
/** @name imports */
/** @{ */
import java.util.Arrays;
/** @} */
/**
* @class GPS
*
* Class to used for the GPS session
*/
class GPS {
static final int GPS_BUFFER_SIZE = 256;
static final String GPS_BEGIN = "START ITHAKI GPS TRACKING";
static final String GPS_END = "STOP ITHAKI GPS TRACKING";
static final int GPS_USE_TRACK = 1;
static final String GPS_TRACK_PREFIX = "R=";
static final String GPS_IMAGE_PREFIX = "T=";
static final int GPS_MAX_POINTS = 9;
static final int GPS_COORDINATES_SIZE = 6;
static final int GPS_BUFFER_SIZE = 256; /**< GPS trace buffer size */
static final String GPS_BEGIN = "START ITHAKI GPS TRACKING"; /**< starting pattern */
static final String GPS_END = "STOP ITHAKI GPS TRACKING"; /**< ending pattern */
static final int GPS_USE_TRACK = 1; /**< Which track to use (given) */
static final String GPS_TRACK_PREFIX = "R="; /**< GPS command track request prefix */
static final String GPS_IMAGE_PREFIX = "T="; /**< GPS command image request prefix */
static final int GPS_MAX_POINTS = 9; /**< Maximum points (given) */
static final int GPS_COORDINATES_SIZE = 6; /**< Coordinates size */
static final int GPS_LATITUDE_BEGIN = 17;
static final int GPS_LATITUDE_END = 28;
static final int GPS_LONGITUDE_BEGIN= 29;
static final int GPS_LONGITUDE_END = 41;
static final int GPS_LATITUDE_BEGIN = 17; /**< The latitude sequence string position */
static final int GPS_LATITUDE_END = 28; /**< The end of latitude sequence string position */
static final int GPS_LONGITUDE_BEGIN= 29; /**< The longitude sequence string position */
static final int GPS_LONGITUDE_END = 41; /**< The end of longitude sequence string position */
private Com com_;
private Log log_;
private Transaction transaction_;
private byte[] code_;
private int start_;
private int duration_;
private int points_;
private byte[] coordinates_;
private Com com_; /**< Reference to communication module */
private Log log_; /**< Reference to logging module */
private Transaction transaction_; /**< A transaction object to used as a buffer for all requests */
private byte[] code_; /**< The desired code for the session */
private int start_; /**< Starting point [sec] */
private int duration_; /**< Duration of requested trace */
private int points_; /**< Number of points to fetch from the above trace */
private byte[] coordinates_; /**< Coordinates buffer */
/**
* Basic constructor
*/
GPS (Com com, Log log, byte[] code, int start, int duration, int points) {
com_ = com;
log_ = log;
@ -37,6 +54,10 @@ class GPS {
coordinates_= new byte[GPS_COORDINATES_SIZE];
}
/**
* Functionality to drain the response buffer for the welcome message
* from the server
*/
void caption () {
String line;
@ -49,10 +70,15 @@ class GPS {
log_.out(line);
}
/**
* Main transaction loop. It send requests to server, get the response
* and log the procedure while doing it.
* @return the image request code to pass to image module
*/
String run () {
String code, image_code;
String line;
log_.out("Get traces");
image_code = new String(code_);
for (int trace =start_ ; trace < start_+duration_ ; trace += duration_/points_) {
@ -72,7 +98,15 @@ class GPS {
}
return image_code;
}
/** @name private helper API */
/** @{ */
/**
* Extract coordinates from response
* @param stream The stream to search
* @return The coordinates buffer
*/
private byte[] _get_coordinates (byte[] stream) {
int start = Com.detect(stream, "GPGGA".getBytes(), stream.length);
double latitude = _nmea2dec (Double.valueOf(
@ -95,10 +129,15 @@ class GPS {
- coordinates_[4]/60.0)*3600); // latitude "
return coordinates_;
}
/**
* A helper to convert the NMEA format to canonical
* decimal coordinate format
*/
double _nmea2dec (double c) {
int d = (int)c/100;
c -= d*100;
return d + (c/60);
}
/** @} */
}

58
src/net/hoo2/auth/vmodem/Image.java
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@ -1,30 +1,59 @@
/**
* @file Image.java
*
* @author Christos Choutouridis AEM:8997
* @email cchoutou@ece.auth.gr
*/
package net.hoo2.auth.vmodem;
/** @name imports */
/** @{ */
import java.io.*;
/** @} */
/**
* @class Image
*
* Class to used for the error free and non error free image requests
*/
class Image {
static final int IMAGE_BUFFER_SIZE = 256*1024;
static final byte[] IMAGE_BEGIN = {(byte)0xFF, (byte)0xD8};
static final byte[] IMAGE_END = {(byte)0xFF, (byte)0xD9};
static final int IMAGE_BUFFER_SIZE = 256*1024; /**< image buffer size */
static final byte[] IMAGE_BEGIN = {(byte)0xFF, (byte)0xD8}; /**< jpeg image begin pattern */
static final byte[] IMAGE_END = {(byte)0xFF, (byte)0xD9}; /**< jpeg image end pattern */
private Com com_;
private Log log_;
private Transaction transaction_;
private String filename_;
private int items_;
private byte[] code_;
private Com com_; /**< Reference to communication module */
private Log log_; /**< Reference to logging module */
private Transaction transaction_; /**< A transaction object to used as a buffer for all requests */
private String filename_; /**< The filename to store */
private int items_; /**< how many images to fetch */
private byte[] code_; /**< The image request code for the virtual lab */
/**
* Basic constructor
* @param com The com module to use
* @param log The log module to use
* @param code The request code
* @param filename The filename
* @param items How many items to fetch
*/
Image (Com com, Log log, byte[] code, String filename, int items) {
com_ = com;
log_ = log;
// Allocate memory for the response
transaction_= new Transaction(null, new byte[IMAGE_BUFFER_SIZE]);
filename_ = filename;
items_ = items;
code_ = code;
}
/** Get function for the code */
void code (byte[] code) { code_ = code; }
/**
* Functionality to drain the response buffer for the welcome message
* from the server
* @param code The code that we will use (for printing, not sending)
*/
void caption (byte[] code) {
String line;
@ -35,12 +64,17 @@ class Image {
line = new String(transaction_.getResponse());
log_.out(line);
}
/**
* Main transaction loop. It send requests to server, get the response
* and log the procedure while doing it.
*/
void run () {
String file, line;
BufferedOutputStream ostream;
for (int i =1 ; i<= items_ ; ++i) {
// Make the filename string
if (items_>1)
file = filename_ + "_" + i + ".jpg";
else

61
src/net/hoo2/auth/vmodem/Log.java
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@ -1,19 +1,42 @@
/**
* @file Log.java
*
* @author Christos Choutouridis AEM:8997
* @email cchoutou@ece.auth.gr
*/
package net.hoo2.auth.vmodem;
/** @name imports */
/** @{ */
import java.io.IOException;
import java.io.PrintWriter;
/** @} */
/**
* @class Log
*
* A common log functionality class for all sessions
*/
class Log {
private String logfile_;
private boolean verbose_;
private PrintWriter writer_;
private String logfile_; /**< The log file name */
private boolean verbose_; /**< The desired verbosity (for the console)*/
private PrintWriter writer_; /**< A buffered writer to use for streaming */
/**
* Basic constructor
* @param logfile The log filename
* @param verbose The desired verbosity (for the console)
*/
Log (String logfile, boolean verbose) {
logfile_ = logfile;
verbose_ = verbose;
}
/**
* Try to open the log file
* @return The status of the operation
*/
boolean open () {
if (logfile_ != null) {
try {
@ -26,11 +49,20 @@ class Log {
}
return true;
}
/**
* Try to open a log file
* @param logfile The log file to open
* @return The status of the operation
*/
boolean open (String logfile) {
logfile_ = logfile;
return open();
}
/**
* Close the opened file
* @return The status of the operation
*/
boolean close () {
try {
if (writer_ != null)
@ -40,17 +72,30 @@ class Log {
}
return true;
}
/**
* Log to file and print to console
* @param line The line to log
* @param out Console output request flag. If true, echo the line to console
*/
void write (String line, boolean out) {
if (logfile_ != null) writer_.println(line);
if (verbose_ || out) System.out.println(line);
}
/**
* Log to file and print to console
* @param line The line to log
*/
void write (String line) {
if (logfile_ != null) writer_.println(line);
if (verbose_) System.out.println(line);
}
/**
* Echo the line to console
* @param line The line to print
*/
void out (String line) {
if (verbose_) System.out.println(line);
}

180
src/net/hoo2/auth/vmodem/VirtualModem.java
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@ -10,7 +10,7 @@ package net.hoo2.auth.vmodem;
/** @name imports */
/** @{ */
import org.apache.commons.cli.*;
import org.apache.commons.cli.*; /**< command line utility */
/** @} */
@ -19,31 +19,35 @@ import org.apache.commons.cli.*;
*
* @brief This is the main control class of the program.
*
* This class includes the main function.Using this class's api
* the user can ...
* This class includes the main function which read the user input
* and create the apropriate object for the requested sequence to
* retrieve data.
*/
public class VirtualModem {
/** @name Data */
/** @{ */
CommandLine line;
CommandLineParser parser;
Options options;
HelpFormatter formatter;
Com com;
Log log;
CommandLine line; /**< Command line for the argument list */
CommandLineParser parser; /**< Parser for the argument list */
Options options; /**< Option configuration container */
HelpFormatter formatter; /**< An extra helper for -h */
Com com; /**< Reference to basic configuration module */
Log log; /**< Reference to basig logging module */
/** @} */
/** @name constructors */
/** @{ */
/**
* @brief The main constructor of the class
* We allocate memory for the data needed for the command line
*/
public VirtualModem () {
parser = new DefaultParser();
options = new Options();
formatter = new HelpFormatter();
com = new Com();
Option verb = new Option ("v", "verbose", false, "Be more verbose");
// Create argument options and a basic help file
// for future use.
Option verb = new Option ("v", "verbose", false, "Be more verbose to the console");
Option help = new Option ("h", "help", false, "Print this message");
Option timeout = Option.builder("t")
.longOpt("timeout")
@ -60,27 +64,40 @@ public class VirtualModem {
Option log = Option.builder("l")
.longOpt("log")
.hasArg()
.desc("Log file name")
.desc("Log file name to use")
.build();
Option echo = Option.builder("e")
.longOpt("echo")
.numberOfArgs(2)
.desc ("Request echo sequence")
.desc ("Request echo sequence where <arg> = <1> <2>\n"
+ " <1>: The echo requested code from virtual lab\n"
+ " <2>: The time duration of the session [sec]")
.build();
Option aqr = Option.builder("a")
.longOpt("aqr")
.numberOfArgs(3)
.desc ("Request aqr sequence")
.desc ("Request aqr sequence where <arg> = <1> <2> <3>\n"
+ " <1>: The ACK requested code for virtual lab\n"
+ " <2>: The NACK requested code from virtual lab\n"
+ " <2>: The time duration for the session [sec]")
.build();
Option img = Option.builder("g")
.longOpt("img")
.numberOfArgs(3)
.desc("Request an image sequence")
.desc("Request an image sequence where <arg> = <1> <2> <3>\n"
+ " <1>: The image requested code from virtual lab\n"
+ " <2>: The filename to use for storing the image (without .jpg)\n"
+ " <3>: The requested images to fetch.")
.build();
Option gps = Option.builder("p")
.longOpt("gps")
.numberOfArgs(5)
.desc("Request a GPS sequence")
.numberOfArgs(5) // G8164 10 800 8 gps_10_800
.desc("Request a GPS sequence where <arg> = <1> <2> <3> <4>\n"
+ " <1>: The gps requested code from virtual lab\n"
+ " <2>: The time from trace to use as starting point [sec]\n"
+ " <3>: The time duration for the trace to fetch [sec]\n"
+ " <4>: The number of points to fetch from the above trace\n"
+ " <5>: The filename to use for storing the image (without .jpg)")
.build();
options.addOption(verb);
options.addOption(help);
@ -92,8 +109,15 @@ public class VirtualModem {
options.addOption(img);
options.addOption(gps);
}
/** @} */
/** @name private api */
/**@{*/
/**
* parse the command line arguments
* @param args the arguments to parse
* @return the status of the operation
*/
private boolean getCmdOptions (String[] args) {
try {
// parse the command line arguments
@ -106,10 +130,19 @@ public class VirtualModem {
}
return true;
}
/**
* Dispatch the correct functionality based on arguments
* @return the status of the operation (currently true)
*/
private boolean commandDispatcher () {
boolean verbose = false;
if (line.hasOption("help")) {
formatter.printHelp( "virtualModem", options );
return true;
}
// Get log and verbose options first
if (line.hasOption("verbose"))
verbose = true;
@ -129,68 +162,64 @@ public class VirtualModem {
}
// Execution dispatcher
do {
if (line.hasOption("help")) {
formatter.printHelp( "virtualModem", options );
break;
if (line.hasOption("echo")) {
byte[] code = line.getOptionValues("echo")[0].getBytes();
Echo e = new Echo(com, log, code,
Integer.valueOf(line.getOptionValues("echo")[1]));
if (com.open()) {
e.caption(code);
e.run();
com.close();
}
if (line.hasOption("echo")) {
byte[] code = line.getOptionValues("echo")[0].getBytes();
Echo e = new Echo(com, log, code,
Integer.valueOf(line.getOptionValues("echo")[1]));
if (com.open()) {
e.caption(code);
e.run();
com.close();
}
}
else if (line.hasOption("aqr")) {
byte[] ack = line.getOptionValues("aqr")[0].getBytes();
byte[] nack = line.getOptionValues("aqr")[1].getBytes();
AQR a = new AQR(com, log, ack, nack,
Integer.valueOf(line.getOptionValues("aqr")[2]));
if (com.open()) {
a.caption(ack, nack);
a.run();
com.close();
}
else if (line.hasOption("aqr")) {
byte[] ack = line.getOptionValues("aqr")[0].getBytes();
byte[] nack = line.getOptionValues("aqr")[1].getBytes();
AQR a = new AQR(com, log, ack, nack,
Integer.valueOf(line.getOptionValues("aqr")[2]));
if (com.open()) {
a.caption(ack, nack);
a.run();
com.close();
}
}
else if (line.hasOption("img")) {
byte[] code = line.getOptionValues("img")[0].getBytes();
Image im = new Image (com, log, code,
line.getOptionValues("img")[1],
Integer.valueOf(line.getOptionValues("img")[2]));
if (com.open()) {
im.caption(code);
im.run();
com.close();
}
else if (line.hasOption("img")) {
byte[] code = line.getOptionValues("img")[0].getBytes();
Image im = new Image (com, log, code,
line.getOptionValues("img")[1],
Integer.valueOf(line.getOptionValues("img")[2]));
if (com.open()) {
im.caption(code);
im.run();
com.close();
}
}
else if (line.hasOption("gps")) {
byte[] code = line.getOptionValues("gps")[0].getBytes();
GPS g = new GPS (com, log, code,
Integer.valueOf(line.getOptionValues("gps")[1]),
Integer.valueOf(line.getOptionValues("gps")[2]),
Integer.valueOf(line.getOptionValues("gps")[3]));
Image im = new Image (com, log, null,
line.getOptionValues("gps")[4], 1);
if (com.open()) {
g.caption();
im.code(g.run().getBytes());
im.run();
com.close();
}
else if (line.hasOption("gps")) {
byte[] code = line.getOptionValues("gps")[0].getBytes();
GPS g = new GPS (com, log, code,
Integer.valueOf(line.getOptionValues("gps")[1]),
Integer.valueOf(line.getOptionValues("gps")[2]),
Integer.valueOf(line.getOptionValues("gps")[3]));
Image im = new Image (com, log, null,
line.getOptionValues("gps")[4], 1);
if (com.open()) {
g.caption();
im.code(g.run().getBytes());
im.run();
com.close();
}
}
} while (false);
}
log.close();
return true;
}
/**@}*/
/**
* @brief Main
*
* @brief Main function
*/
public static void main(String[] args) {
// allocate the main object
@ -199,9 +228,8 @@ public class VirtualModem {
// prepare command line input
if (vmodem.getCmdOptions (args) != true)
return;
// Call the requested functionality
if (vmodem.commandDispatcher() != true)
return;
}
}