/**
* Enumeraate all available slots of a given PKCS11 provider.
*
* @param provider The PKCS11 provider to retrieve the slots for.
* @return A list of all available slots.
* @throws PKCS11Exception Upon errors when retrieving the slot information.
*/
public static List<PKCS11Slot> enumerateSlots(PKCS11Provider provider) throws PKCS11Exception {
long[] ids = enumerateSlotsNative(provider.getPkcs11ModuleHandle());
List<PKCS11Slot> ret = new ArrayList<PKCS11Slot>(ids.length);
for (int i = 0; i < ids.length; i++) {
ret.add(new PKCS11Slot(provider, ids[i]));
}
return ret;
}
/**
* Enumerate all available slots of a given PKCS11 provider.
*
* @param provider The PKCS11 provider to retrieve the slots for.
* @return A list of all available slots.
* @throws PKCS11Exception Upon errors when retrieving the slot information.
*/
public static PKCS11Slot waitForSlot(PKCS11Provider provider) throws PKCS11Exception {
long id = -1;
try {
id = waitForSlotNative(provider.getPkcs11ModuleHandle());
} catch (PKCS11Exception e) {
if (e.getErrorCode() == PKCS11Exception.CKR_FUNCTION_NOT_SUPPORTED)
try {
PKCS11Slot ret = null;
do {
Thread.sleep(1000);
List<PKCS11Slot> slots = enumerateSlots(provider);
for (PKCS11Slot slot : slots) {
if (ret == null && slot.isTokenPresent()) ret = slot;
else
try {
slot.destroy();
} catch (DestroyFailedException e1) {
log.warn("destroy error while waiting for slot:", e1);
}
}
} while (ret == null);
return ret;
} catch (InterruptedException e1) {
throw new PKCS11Exception(
PKCS11Exception.CKR_FUNCTION_CANCELED, "The operation has been interrupted.");
}
else {
throw e;
}
}
return new PKCS11Slot(provider, id);
}
/**
* This contructor constructs an instance of an individual slot. The slots a usually label
* starting with an Id of 0 and onwards. So, if you have just one device attached to your computer
* you should usually done by calling new PKCS11Slot(provider,0).
*
* @param id The Id of the slot.
* @throws PKCS11Exception Upon errors when retrieving the slot information.
*/
public PKCS11Slot(PKCS11Provider provider, long id) throws PKCS11Exception {
super(provider);
this.id = id;
this.pvh = provider.getPkcs11ModuleHandle();
this.handle = initSlotNative(this.pvh, id);
}
