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doWriteSingle() — netty Function Reference

Architecture documentation for the doWriteSingle() function in AbstractEpollStreamChannel.java from the netty codebase.

Function java Buffer Search calls 4 called by 1

Entity Profile

Dependency Diagram

graph TD
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c["doWriteSingle()"]
  6ec314cd_b42f_72bd_344b_f54212398142["AbstractEpollStreamChannel"]
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c -->|defined in| 6ec314cd_b42f_72bd_344b_f54212398142
  45b68c03_a456_a0b0_0f4a_03ba140e0340["doWrite()"]
  45b68c03_a456_a0b0_0f4a_03ba140e0340 -->|calls| 6f923dac_2ab4_45b4_f2b7_ac945384fb3c
  acf08ba5_a28e_b6ac_a850_5e45694f7cbc["writeBytes()"]
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c -->|calls| acf08ba5_a28e_b6ac_a850_5e45694f7cbc
  0e7f51f8_c937_1144_8e27_7b7e8948d1de["writeDefaultFileRegion()"]
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c -->|calls| 0e7f51f8_c937_1144_8e27_7b7e8948d1de
  04d32e0e_cc03_d646_afd2_18a4a4db196c["writeFileRegion()"]
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c -->|calls| 04d32e0e_cc03_d646_afd2_18a4a4db196c
  b5e0ce3a_dc95_3eb7_e031_00e22633d8c2["spliceOut()"]
  6f923dac_2ab4_45b4_f2b7_ac945384fb3c -->|calls| b5e0ce3a_dc95_3eb7_e031_00e22633d8c2
  style 6f923dac_2ab4_45b4_f2b7_ac945384fb3c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java lines 474–493

    protected int doWriteSingle(ChannelOutboundBuffer in) throws Exception {
        // The outbound buffer contains only one message or it contains a file region.
        Object msg = in.current();
        if (msg instanceof ByteBuf) {
            return writeBytes(in, (ByteBuf) msg);
        } else if (msg instanceof DefaultFileRegion) {
            return writeDefaultFileRegion(in, (DefaultFileRegion) msg);
        } else if (msg instanceof FileRegion) {
            return writeFileRegion(in, (FileRegion) msg);
        } else if (msg instanceof SpliceOutTask) {
            if (!((SpliceOutTask) msg).spliceOut()) {
                return WRITE_STATUS_SNDBUF_FULL;
            }
            in.remove();
            return 1;
        } else {
            // Should never reach here.
            throw new Error("Unexpected message type: " + className(msg));
        }
    }

Domain

Subdomains

Defined In

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Called By

Source

Frequently Asked Questions

What does doWriteSingle() do?
doWriteSingle() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java.
Where is doWriteSingle() defined?
doWriteSingle() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollStreamChannel.java at line 474.
What does doWriteSingle() call?
doWriteSingle() calls 4 function(s): spliceOut, writeBytes, writeDefaultFileRegion, writeFileRegion.
What calls doWriteSingle()?
doWriteSingle() is called by 1 function(s): doWrite.

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