ByteBuf() — netty Function Reference

Architecture documentation for the ByteBuf() function in ReferenceCountedOpenSslEngine.java from the netty codebase.

Function java Buffer Allocators calls 2

Entity Profile

Buffer→ Allocators→ ByteBuf() — netty Function Reference

Dependency Diagram

graph TD
  bf89cd6d_c625_d59f_9ca6_dfcb378a1035["ByteBuf()"]
  df1ad81e_e5bf_85e6_4418_db301b4c3e66["ReferenceCountedOpenSslEngine"]
  bf89cd6d_c625_d59f_9ca6_dfcb378a1035 -->|defined in| df1ad81e_e5bf_85e6_4418_db301b4c3e66
  5a654cb5_a186_f8ae_d05b_d708ac558525["bufferAddress()"]
  bf89cd6d_c625_d59f_9ca6_dfcb378a1035 -->|calls| 5a654cb5_a186_f8ae_d05b_d708ac558525
  62c22963_254e_558e_59f0_10304b0c83d2["release()"]
  bf89cd6d_c625_d59f_9ca6_dfcb378a1035 -->|calls| 62c22963_254e_558e_59f0_10304b0c83d2
  style bf89cd6d_c625_d59f_9ca6_dfcb378a1035 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslEngine.java lines 650–672

    private ByteBuf writeEncryptedData(final ByteBuffer src, int len) throws SSLException {
        final int pos = src.position();
        if (src.isDirect()) {
            SSL.bioSetByteBuffer(networkBIO, bufferAddress(src) + pos, len, false);
        } else {
            final ByteBuf buf = alloc.directBuffer(len);
            try {
                final int limit = src.limit();
                src.limit(pos + len);
                buf.writeBytes(src);
                // Restore the original position and limit because we don't want to consume from `src`.
                src.position(pos);
                src.limit(limit);

                SSL.bioSetByteBuffer(networkBIO, memoryAddress(buf), len, false);
                return buf;
            } catch (Throwable cause) {
                buf.release();
                PlatformDependent.throwException(cause);
            }
        }
        return null;
    }