doWriteFileRegion() — netty Function Reference

Architecture documentation for the doWriteFileRegion() function in OioByteStreamChannel.java from the netty codebase.

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Entity Profile

Buffer→ Search→ doWriteFileRegion() — netty Function Reference

Dependency Diagram

graph TD
  f68e1584_5098_5009_3d34_29958ec0bd40["doWriteFileRegion()"]
  462ee44c_01dd_0264_afa1_574b02e134cf["OioByteStreamChannel"]
  f68e1584_5098_5009_3d34_29958ec0bd40 -->|defined in| 462ee44c_01dd_0264_afa1_574b02e134cf
  b1ebe3ea_ac52_b27e_85c4_00db7034ff08["checkEOF()"]
  f68e1584_5098_5009_3d34_29958ec0bd40 -->|calls| b1ebe3ea_ac52_b27e_85c4_00db7034ff08
  style f68e1584_5098_5009_3d34_29958ec0bd40 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/oio/OioByteStreamChannel.java lines 123–146

    @Override
    protected void doWriteFileRegion(FileRegion region) throws Exception {
        OutputStream os = this.os;
        if (os == null) {
            throw new NotYetConnectedException();
        }
        if (outChannel == null) {
            outChannel = Channels.newChannel(os);
        }

        long written = 0;
        for (;;) {
            long localWritten = region.transferTo(outChannel, written);
            if (localWritten == -1) {
                checkEOF(region);
                return;
            }
            written += localWritten;

            if (written >= region.count()) {
                return;
            }
        }
    }