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testPacketBufferSizeLimit() — netty Function Reference

Architecture documentation for the testPacketBufferSizeLimit() function in SSLEngineTest.java from the netty codebase.

Function java Buffer Allocators calls 6

Entity Profile

Dependency Diagram

graph TD
  52fddb55_d5b7_b4de_fce5_ae7da59a403d["testPacketBufferSizeLimit()"]
  9150c92a_2afc_b83a_c3bf_86dfac6e9d9b["SSLEngineTest"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|defined in| 9150c92a_2afc_b83a_c3bf_86dfac6e9d9b
  bf19737b_7dc7_9dfd_0a67_ae31448ebbe8["protocols()"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|calls| bf19737b_7dc7_9dfd_0a67_ae31448ebbe8
  e3b541e6_b593_4b1f_a637_da19020e73df["ciphers()"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|calls| e3b541e6_b593_4b1f_a637_da19020e73df
  7380f50e_d3f0_3078_ee65_de1cb780c79d["handshake()"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|calls| 7380f50e_d3f0_3078_ee65_de1cb780c79d
  13aca077_a788_4333_9f8b_2b1437653846["delegate()"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|calls| 13aca077_a788_4333_9f8b_2b1437653846
  87e8e20d_ffbe_f5c3_4fd0_7d8ac419206d["cleanupClientSslEngine()"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|calls| 87e8e20d_ffbe_f5c3_4fd0_7d8ac419206d
  78ad5fe5_58d2_9877_f633_22a7048c0e5e["cleanupServerSslEngine()"]
  52fddb55_d5b7_b4de_fce5_ae7da59a403d -->|calls| 78ad5fe5_58d2_9877_f633_22a7048c0e5e
  style 52fddb55_d5b7_b4de_fce5_ae7da59a403d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java lines 2330–2379

    @MethodSource("newTestParams")
    @ParameterizedTest
    public void testPacketBufferSizeLimit(SSLEngineTestParam param) throws Exception {
        SelfSignedCertificate cert = CachedSelfSignedCertificate.getCachedCertificate();

        clientSslCtx = wrapContext(param, SslContextBuilder
                .forClient()
                .trustManager(cert.cert())
                .sslContextProvider(clientSslContextProvider())
                .sslProvider(sslClientProvider())
                .protocols(param.protocols())
                .ciphers(param.ciphers())
                .endpointIdentificationAlgorithm(null)
                .build());
        SSLEngine client = wrapEngine(clientSslCtx.newEngine(UnpooledByteBufAllocator.DEFAULT));

        serverSslCtx = wrapContext(param, SslContextBuilder
                .forServer(cert.certificate(), cert.privateKey())
                .sslContextProvider(serverSslContextProvider())
                .sslProvider(sslServerProvider())
                .protocols(param.protocols())
                .ciphers(param.ciphers())
                .build());
        SSLEngine server = wrapEngine(serverSslCtx.newEngine(UnpooledByteBufAllocator.DEFAULT));

        try {
            // Allocate an buffer that is bigger then the max plain record size.
            ByteBuffer plainServerOut = allocateBuffer(
                    param.type(), server.getSession().getApplicationBufferSize() * 2);

            handshake(param.type(), param.delegate(), client, server);

            // Fill the whole buffer and flip it.
            plainServerOut.position(plainServerOut.capacity());
            plainServerOut.flip();

            ByteBuffer encryptedServerToClient = allocateBuffer(
                    param.type(), server.getSession().getPacketBufferSize());

            int encryptedServerToClientPos = encryptedServerToClient.position();
            int plainServerOutPos = plainServerOut.position();
            SSLEngineResult result = server.wrap(plainServerOut, encryptedServerToClient);
            assertEquals(SSLEngineResult.Status.OK, result.getStatus());
            assertEquals(plainServerOut.position() - plainServerOutPos, result.bytesConsumed());
            assertEquals(encryptedServerToClient.position() - encryptedServerToClientPos, result.bytesProduced());
        } finally {
            cleanupClientSslEngine(client);
            cleanupServerSslEngine(server);
        }
    }

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Subdomains

Defined In

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Source

Frequently Asked Questions

What does testPacketBufferSizeLimit() do?
testPacketBufferSizeLimit() is a function in the netty codebase, defined in handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java.
Where is testPacketBufferSizeLimit() defined?
testPacketBufferSizeLimit() is defined in handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java at line 2330.
What does testPacketBufferSizeLimit() call?
testPacketBufferSizeLimit() calls 6 function(s): ciphers, cleanupClientSslEngine, cleanupServerSslEngine, delegate, handshake, protocols.

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