isConnection() — netty Function Reference

Architecture documentation for the isConnection() function in HttpRequestDecoder.java from the netty codebase.

Function java ProtocolCodecs HTTP called by 1

Entity Profile

ProtocolCodecs→ HTTP→ isConnection() — netty Function Reference

Dependency Diagram

graph TD
  b04e5ca6_683b_83c8_73b0_7e040dc6f8fd["isConnection()"]
  4589186b_4bcc_122c_2013_a0e40fd58a92["HttpRequestDecoder"]
  b04e5ca6_683b_83c8_73b0_7e040dc6f8fd -->|defined in| 4589186b_4bcc_122c_2013_a0e40fd58a92
  74fbc3b2_d53f_c201_3682_db8c061ddf60["AsciiString()"]
  74fbc3b2_d53f_c201_3682_db8c061ddf60 -->|calls| b04e5ca6_683b_83c8_73b0_7e040dc6f8fd
  style b04e5ca6_683b_83c8_73b0_7e040dc6f8fd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/HttpRequestDecoder.java lines 272–286

    private static boolean isConnection(byte[] sb, int start) {
        final long maybeConnecti = sb[start] |
                sb[start + 1] << 8 |
                sb[start + 2] << 16 |
                sb[start + 3] << 24 |
                (long) sb[start + 4] << 32 |
                (long) sb[start + 5] << 40 |
                (long) sb[start + 6] << 48 |
                (long) sb[start + 7] << 56;
        if (maybeConnecti != CONNECTION_AS_LONG_0) {
            return false;
        }
        final short maybeOn = (short) (sb[start + 8] | sb[start + 9] << 8);
        return maybeOn == CONNECTION_AS_SHORT_1;
    }