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Reduce object allocation during wrap/unwrap while handshake is in progress

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Motivation:

Unnecessary object allocation is currently done during wrap/unwrap while a handshake is still in progress.

Modifications:

Use static instances when possible.

Result:

Less object creations.
This commit is contained in:
Norman Maurer 2015-04-13 22:18:52 +02:00
parent b4b14ea19f
commit bdfdf3094d
1 changed files with 22 additions and 6 deletions
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28
handler/src/main/java/io/netty/handler/ssl/OpenSslEngine.java
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@ -120,6 +120,12 @@ public final class OpenSslEngine extends SSLEngine {
private static final long EMPTY_ADDR = Buffer.address(Unpooled.EMPTY_BUFFER.nioBuffer());
private static final SSLEngineResult NEED_UNWRAP_OK = new SSLEngineResult(OK, NEED_UNWRAP, 0, 0);
private static final SSLEngineResult NEED_UNWRAP_CLOSED = new SSLEngineResult(CLOSED, NEED_UNWRAP, 0, 0);
private static final SSLEngineResult NEED_WRAP_OK = new SSLEngineResult(OK, NEED_WRAP, 0, 0);
private static final SSLEngineResult NEED_WRAP_CLOSED = new SSLEngineResult(CLOSED, NEED_WRAP, 0, 0);
private static final SSLEngineResult CLOSED_NOT_HANDSHAKING = new SSLEngineResult(CLOSED, NOT_HANDSHAKING, 0, 0);
// OpenSSL state
private long ssl;
private long networkBIO;
@ -373,7 +379,7 @@ public final class OpenSslEngine extends SSLEngine {
// Check to make sure the engine has not been closed
if (destroyed != 0) {
return new SSLEngineResult(CLOSED, NOT_HANDSHAKING, 0, 0);
return CLOSED_NOT_HANDSHAKING;
}
// Throw required runtime exceptions
@ -403,8 +409,13 @@ public final class OpenSslEngine extends SSLEngine {
// without regard to the handshake status.
SSLEngineResult.HandshakeStatus handshakeStatus = handshakeStatus0();
if ((!handshakeFinished || engineClosed) && handshakeStatus == NEED_UNWRAP) {
return new SSLEngineResult(getEngineStatus(), NEED_UNWRAP, 0, 0);
if (handshakeStatus == NEED_UNWRAP) {
if (!handshakeFinished) {
return NEED_UNWRAP_OK;
}
if (engineClosed) {
return NEED_UNWRAP_CLOSED;
}
}
int bytesProduced = 0;
@ -484,7 +495,7 @@ public final class OpenSslEngine extends SSLEngine {
// Check to make sure the engine has not been closed
if (destroyed != 0) {
return new SSLEngineResult(CLOSED, NOT_HANDSHAKING, 0, 0);
return CLOSED_NOT_HANDSHAKING;
}
// Throw requried runtime exceptions
@ -526,8 +537,13 @@ public final class OpenSslEngine extends SSLEngine {
// In handshake or close_notify stages, check if call to unwrap was made
// without regard to the handshake status.
SSLEngineResult.HandshakeStatus handshakeStatus = handshakeStatus0();
if ((!handshakeFinished || engineClosed) && handshakeStatus == NEED_WRAP) {
return new SSLEngineResult(getEngineStatus(), NEED_WRAP, 0, 0);
if (handshakeStatus == NEED_WRAP) {
if (!handshakeFinished) {
return NEED_WRAP_OK;
}
if (engineClosed) {
return NEED_WRAP_CLOSED;
}
}
final int srcsEndOffset = srcsOffset + srcsLength;