private void processSetSystemPropertiesCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
int dataSize = helper.getDataInputStream().readInt();
ByteArrayOutputStream baos = new ByteArrayOutputStream(dataSize);
helper.receiveFile(dataSize, baos);
Properties newPersistentProperties = new Properties();
newPersistentProperties.load(new ByteArrayInputStream(baos.toByteArray()));
Properties oldPersistentProperties = spot.getPersistentProperties();
// store new properties in flash
spot.storeProperties(newPersistentProperties);
// remove deleted properties from current isolate
Enumeration oldKeys = oldPersistentProperties.keys();
while (oldKeys.hasMoreElements()) {
String oldKey = (String) oldKeys.nextElement();
if (!newPersistentProperties.containsKey(oldKey)) {
VM.setProperty(oldKey, null);
}
}
// store new and modified properties in current isolate
Enumeration newKeys = newPersistentProperties.keys();
while (newKeys.hasMoreElements()) {
String newKey = (String) newKeys.nextElement();
VM.setProperty(newKey, newPersistentProperties.getProperty(newKey));
}
helper.sendPrompt();
}
private void processGetSystemPropertiesCmd(IOTACommandHelper helper) throws IOException {
Properties p = spot.getPersistentProperties();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
p.store(baos, "System properties on SPOT");
helper.sendData(baos.toByteArray(), 0, baos.size());
helper.sendPrompt();
}
private void processFlashLibCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
helper.replaceSuiteFile(params, ConfigPage.LIBRARY_URI, ConfigPage.LIBRARY_VIRTUAL_ADDRESS);
MIDletSuiteDescriptor[] suites = MIDletSuiteDescriptor.getAllInstances();
for (int i = 0; i < suites.length; i++) {
FlashFile suiteFile = new FlashFile(suites[i].getURI());
suiteFile.setObsolete(true);
suiteFile.commit();
}
helper.sendPrompt();
}
private void processGetFileInfoCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
String filename = params.readUTF();
FlashFile flashFile = new FlashFile(filename);
if (flashFile.exists()) {
helper.getDataOutputStream().writeBoolean(true);
byte[] fileData = new OTAFlashFileInfo(flashFile).toByteArray();
helper.sendData(fileData, 0, fileData.length);
} else {
helper.getDataOutputStream().writeBoolean(false);
}
helper.sendPrompt();
}
private void processGetConfigPageCmd(IOTACommandHelper helper, boolean len) throws IOException {
ConfigPage configPage;
configPage = spot.getConfigPage();
byte[] data = configPage.asByteArray();
if (len) {
int i = data.length - 1;
while (i > 0 && data[i] == 0) i--;
i = i / 4;
helper.getDataOutputStream().writeByte(i & 0xff);
helper.getDataOutputStream().write(data, 0, (i + 1) * 4);
} else {
helper.getDataOutputStream().write(data);
}
helper.sendPrompt();
}
private void processGetFileListCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
IFAT fat = FlashFile.getFAT();
IFlashFileInfo[] fileInfos = fat.getFileInfos();
DataOutputStream dos = helper.getDataOutputStream();
dos.writeInt(fileInfos.length);
for (int i = 0; i < fileInfos.length; i++) {
dos.writeUTF(fileInfos[i].getName());
}
int[] freeSectorIndices = fat.getFreeSectorIndices();
dos.writeInt(freeSectorIndices.length);
for (int i = 0; i < freeSectorIndices.length; i++) {
dos.writeInt(freeSectorIndices[i]);
}
helper.sendPrompt();
}
private void processSetPublicKeyCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
byte[] newKey = new byte[params.readShort()];
params.readFully(newKey);
setPublicKey(newKey);
helper.sendPrompt();
}
private void processSetStartupCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
ConfigPage configPage = spot.getConfigPage();
configPage.setStartup(params.readUTF(), params.readUTF(), params.readUTF());
spot.flashConfigPage(configPage);
helper.sendPrompt();
}
private void processBlinkCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
int duration = params.readInt();
IService s[] = ServiceRegistry.getInstance().lookupAll(ISpotBlink.class);
for (int i = 0; i < s.length; i++) {
((ISpotBlink) s[i]).blink(duration);
}
helper.sendPrompt();
}
private void processUndeployCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
String suiteUri = params.readUTF();
FlashFile suiteFile = new FlashFile(suiteUri);
if (suiteFile.exists()) {
if (helper.isSuiteInUse(suiteUri)) {
if (suiteUri.equals(Isolate.currentIsolate().getParentSuiteSourceURI())) {
helper.makeObsolete(suiteUri);
} else {
helper.sendErrorDetails("Attempt to undeploy suite that is in use");
return;
}
} else {
VM.unregisterSuite(suiteUri);
suiteFile.delete();
}
} else {
helper.sendErrorDetails("Attempt to undeploy unknown suite: " + suiteUri);
return;
}
helper.sendPrompt();
}
private void processSetTimeCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
long newTime = params.readLong();
powerController.setTime(newTime);
helper.sendPrompt();
}
private void processAttentionCmd(IOTACommandHelper helper) {
if (helper.isRemote()) {
Utils.log("Redirecting output to " + hostAddress.asDottedHex());
remotePrintManager.redirectOutputStreams(hostAddress.asDottedHex());
}
}
private void processResyncCmd(IOTACommandHelper helper) throws IOException {
sendUTF(helper.getDataOutputStream(), helper.getBootloaderIdentificationString());
}
private void processFlashAppCmd(DataInputStream params, IOTACommandHelper helper)
throws IOException {
String fileNameOnTarget = params.readUTF();
FlashFile suiteFile = new FlashFile(fileNameOnTarget);
String currentSuiteUri = Isolate.currentIsolate().getParentSuiteSourceURI();
boolean isReplacingCurrentAppSuite = fileNameOnTarget.equals(currentSuiteUri);
boolean isRunningLibrary = currentSuiteUri.equals(ConfigPage.LIBRARY_URI);
boolean isLibrarySuiteObsolete = new FlashFile("obsolete:" + ConfigPage.LIBRARY_URI).exists();
boolean isMasterAppSuiteObsolete =
!isRunningLibrary && new FlashFile("obsolete:" + currentSuiteUri).exists();
/*
* ircas irl ilso imaso action
* 0 x 0 0 delete if exists and not in use, flash
* 0 0 0 1 error return "Attempt to flash child suite while update to master is pending"
* 0 1 0 1 cannot happen
* 0 x 1 x error return "Attempt to flash application suite while update to library is pending"
* 1 0 x 0 obsolete master app, then flash
* 1 0 x 1 flash master app
* 1 1 x x cannot happen
*
*/
if (!isReplacingCurrentAppSuite) {
if (isLibrarySuiteObsolete) {
helper.sendErrorDetails(
"Attempt to flash application suite while update to library is pending");
return;
}
if (isMasterAppSuiteObsolete) {
helper.sendErrorDetails(
"Attempt to flash child suite while update to master is pending"); // because if we
// allowed this we'd need to perform a remap of the MMU, which would cause us to start
// executing the
// new bytecodes of the pending master app
return;
}
if (suiteFile.exists()) {
if (helper.isSuiteInUse(fileNameOnTarget)) {
helper.sendErrorDetails("Attempt to replace child suite that is in use");
return;
}
VM.unregisterSuite(fileNameOnTarget);
suiteFile.delete();
}
}
int virtualAddress;
FlashFile currentFile = new FlashFile(fileNameOnTarget);
if (currentFile.exists()) {
virtualAddress = currentFile.getVirtualAddress();
} else {
virtualAddress = FlashFile.getUnusedVirtualAddress();
}
helper.sendPrompt();
Utils.log("[OTA] Flashing suite: " + fileNameOnTarget);
helper.replaceSuiteFile(params, fileNameOnTarget, virtualAddress);
if (!isReplacingCurrentAppSuite) {
Utils.log("[OTA] remapping virtual addresses...");
suiteFile.map();
}
helper.sendPrompt();
}
private void processDeletePublicKeyCmd(IOTACommandHelper helper) throws IOException {
setPublicKey(new byte[0]);
helper.sendPrompt();
}
