osd-contiki/tools/collect-view/src/se/sics/contiki/collect/MoteProgrammerProcess.java

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/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: MoteProgrammerProcess.java,v 1.1 2010/11/03 14:53:05 adamdunkels Exp $
*
* -----------------------------------------------------------------
*
* MoteProgrammerProcess
*
* Authors : Joakim Eriksson, Niclas Finne
* Created : 10 jul 2008
* Updated : $Date: 2010/11/03 14:53:05 $
* $Revision: 1.1 $
*/
package se.sics.contiki.collect;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/**
*
*/
public class MoteProgrammerProcess {
public static final String BSL_WINDOWS = "./tools/msp430-bsl-windows.exe";
public static final String BSL_LINUX = "./tools/msp430-bsl-linux";
private final String moteID;
private final String firmwareFile;
private final String[][] commandSet;
private int retry = 3;
private Process currentProcess;
private Thread commandThread;
private boolean isRunning;
private boolean hasError;
public MoteProgrammerProcess(String moteID, String firmwareFile) {
this.moteID = moteID;
this.firmwareFile = firmwareFile;
String osName = System.getProperty("os.name").toLowerCase();
String bslCommand;
if (osName.startsWith("win")) {
bslCommand = BSL_WINDOWS;
} else {
bslCommand = BSL_LINUX;
}
commandSet = new String[][] {
{ bslCommand, "--telosb", "-c", moteID, "-e" },
{ bslCommand, "--telosb", "-c", moteID, "-I", "-p", firmwareFile },
{ bslCommand, "--telosb", "-c", moteID, "-r" }
};
}
public String getMoteID() {
return moteID;
}
public String getFirmwareFile() {
return firmwareFile;
}
public int getRetry() {
return retry;
}
public void setRetry(int retry) {
this.retry = retry;
}
public boolean isRunning() {
return isRunning;
}
public boolean hasError() {
return hasError;
}
public void start() {
if (isRunning) {
// Already running
return;
}
isRunning = true;
commandThread = new Thread(new Runnable() {
public void run() {
try {
int count = 0;
do {
if (count > 0) {
logLine("An error occurred. Retrying.", true, null);
}
count++;
hasError = false;
for (int j = 0, m = commandSet.length; j < m && isRunning && !hasError; j++) {
runCommand(commandSet[j]);
Thread.sleep(2000);
}
} while (isRunning && hasError && count < retry);
} catch (Exception e) {
e.printStackTrace();
} finally {
isRunning = false;
processEnded();
}
}
});
commandThread.start();
}
public void stop() {
isRunning = false;
Process process = currentProcess;
if (process != null) {
process.destroy();
}
}
public void waitForProcess() throws InterruptedException {
if (isRunning && commandThread != null) {
commandThread.join();
}
}
protected void processEnded() {
}
private void runCommand(String[] cmd) throws IOException, InterruptedException {
if (currentProcess != null) {
currentProcess.destroy();
}
currentProcess = Runtime.getRuntime().exec(cmd);
final BufferedReader input = new BufferedReader(new InputStreamReader(currentProcess.getInputStream()));
final BufferedReader err = new BufferedReader(new InputStreamReader(currentProcess.getErrorStream()));
/* Start thread listening on stdout */
Thread readInput = new Thread(new Runnable() {
public void run() {
String line;
try {
while ((line = input.readLine()) != null) {
handleLine(line, false);
}
input.close();
} catch (IOException e) {
logLine("Error reading from command", false, e);
}
}
}, "read stdout thread");
/* Start thread listening on stderr */
Thread readError = new Thread(new Runnable() {
public void run() {
String line;
try {
while ((line = err.readLine()) != null) {
handleLine(line, true);
}
err.close();
} catch (IOException e) {
logLine("Error reading from command", true, e);
}
}
}, "read stderr thread");
readInput.start();
readError.start();
// Wait for the bsl program to finish executing
readInput.join();
currentProcess = null;
}
private void handleLine(String line, boolean stderr) {
if (line.toLowerCase().contains("error")) {
hasError = true;
}
logLine(line, stderr, null);
}
protected void logLine(String line, boolean stderr, Throwable e) {
if (stderr) {
System.err.println("Programmer@" + moteID + "> " + line);
} else {
System.out.println("Programmer@" + moteID + "> " + line);
}
if (e != null) {
e.printStackTrace();
}
}
protected String toString(String[] cmd) {
StringBuilder sb = new StringBuilder();
for (int i = 0, n = cmd.length; i < n; i++) {
if (i > 0) sb.append(' ');
sb.append(cmd[i]);
}
return sb.toString();
}
}