private static void log(String str, SSLEngineResult result) {
if (!logging) {
return;
}
if (resultOnce) {
resultOnce = false;
System.out.println(
"The format of the SSLEngineResult is: \n"
+ "\t\"getStatus() / getHandshakeStatus()\" +\n"
+ "\t\"bytesConsumed() / bytesProduced()\"\n");
}
HandshakeStatus hsStatus = result.getHandshakeStatus();
log(
str
+ result.getStatus()
+ "/"
+ hsStatus
+ ", "
+ result.bytesConsumed()
+ "/"
+ result.bytesProduced()
+ " bytes");
if (hsStatus == HandshakeStatus.FINISHED) {
log("\t...ready for application data");
}
}
private void checkResult(
SSLEngine engine,
SSLEngineResult result,
HandshakeStatus rqdHsStatus,
boolean consumed,
boolean produced)
throws Exception {
HandshakeStatus hsStatus = result.getHandshakeStatus();
if (hsStatus == HandshakeStatus.NEED_TASK) {
Runnable runnable;
while ((runnable = engine.getDelegatedTask()) != null) {
runnable.run();
}
hsStatus = engine.getHandshakeStatus();
}
if (hsStatus != rqdHsStatus) {
throw new Exception("Required " + rqdHsStatus + ", got " + hsStatus);
}
int bc = result.bytesConsumed();
int bp = result.bytesProduced();
if (consumed) {
if (bc <= 0) {
throw new Exception("Should have consumed bytes");
}
} else {
if (bc > 0) {
throw new Exception("Should not have consumed bytes");
}
}
if (produced) {
if (bp <= 0) {
throw new Exception("Should have produced bytes");
}
} else {
if (bp > 0) {
throw new Exception("Should not have produced bytes");
}
}
}
/*
* If the result indicates that we have outstanding tasks to do,
* go ahead and run them in this thread.
*/
private static void runDelegatedTasks(SSLEngineResult result, SSLEngine engine) throws Exception {
if (result.getHandshakeStatus() == HandshakeStatus.NEED_TASK) {
Runnable runnable;
while ((runnable = engine.getDelegatedTask()) != null) {
log("\trunning delegated task...");
runnable.run();
}
HandshakeStatus hsStatus = engine.getHandshakeStatus();
if (hsStatus == HandshakeStatus.NEED_TASK) {
throw new Exception("handshake shouldn't need additional tasks");
}
log("\tnew HandshakeStatus: " + hsStatus);
}
}