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 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();
}