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

166 lines
5.1 KiB
Java

/*
* Copyright (c) 2010, 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: CommandConnection.java,v 1.1 2010/11/03 14:53:05 adamdunkels Exp $
*
* -----------------------------------------------------------------
*
* CommandConnection
*
* Authors : Joakim Eriksson, Niclas Finne
* Created : 5 oct 2010
* 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;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
/**
*
*/
public class CommandConnection extends SerialConnection {
protected Process commandProcess;
protected String command;
public CommandConnection(SerialConnectionListener listener) {
super(listener);
}
public CommandConnection(SerialConnectionListener listener, String command) {
super(listener);
this.command = command;
}
@Override
public String getConnectionName() {
return command;
}
public String getCommand() {
return command;
}
public void setCommand(String command) {
this.command = command;
}
@Override
public void open(String comPort) {
close();
this.comPort = comPort == null ? "" : comPort;
String fullCommand = getCommand();
isClosed = false;
try {
String[] cmd = fullCommand.split(" ");
System.err.println("Running '" + fullCommand + '\'');
commandProcess = Runtime.getRuntime().exec(cmd);
final BufferedReader input = new BufferedReader(new InputStreamReader(commandProcess.getInputStream()));
final BufferedReader err = new BufferedReader(new InputStreamReader(commandProcess.getErrorStream()));
setSerialOutput(new PrintWriter(new OutputStreamWriter(commandProcess.getOutputStream())));
/* Start thread listening on standard out */
Thread readInput = new Thread(new Runnable() {
public void run() {
String line;
try {
while ((line = input.readLine()) != null) {
standardData(line);
}
input.close();
System.err.println("SerialConnection command terminated.");
closeConnection();
} catch (IOException e) {
lastError = "Error when reading from SerialConnection command: " + e;
System.err.println(lastError);
if (!isClosed) {
e.printStackTrace();
closeConnection();
}
}
}
}, "read input stream thread");
/* Start thread listening on standard err */
Thread readError = new Thread(new Runnable() {
public void run() {
String line;
try {
while ((line = err.readLine()) != null) {
errorData(line);
}
err.close();
} catch (IOException e) {
if (!isClosed) {
System.err.println("Error when reading from SerialConnection command: " + e);
e.printStackTrace();
}
}
}
}, "read error stream thread");
readInput.start();
readError.start();
} catch (Exception e) {
lastError = "Failed to execute '" + fullCommand + "': " + e;
System.err.println(lastError);
e.printStackTrace();
closeConnection();
}
}
protected void standardData(String line) {
if (!isOpen) {
isOpen = true;
serialOpened();
}
serialData(line);
}
protected void errorData(String line) {
System.err.println("SerialConnection error stream> " + line);
}
@Override
protected void doClose() {
if (commandProcess != null) {
commandProcess.destroy();
commandProcess = null;
}
}
}