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TestNumReadsRecvByteBufAllocator Class — netty Architecture

Architecture documentation for the TestNumReadsRecvByteBufAllocator class in SocketReadPendingTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  5fbbe960_f8e2_652c_f3ce_76e3819f8f44["TestNumReadsRecvByteBufAllocator"]
  0a9d5e8f_8342_91e5_cfc3_dc36989130d7["SocketReadPendingTest.java"]
  5fbbe960_f8e2_652c_f3ce_76e3819f8f44 -->|defined in| 0a9d5e8f_8342_91e5_cfc3_dc36989130d7
  bb59e9fc_edbd_4704_8ee5_4d1bba52be6e["TestNumReadsRecvByteBufAllocator()"]
  5fbbe960_f8e2_652c_f3ce_76e3819f8f44 -->|method| bb59e9fc_edbd_4704_8ee5_4d1bba52be6e
  253a62ac_6415_0b08_8d21_0847456d6046["ExtendedHandle()"]
  5fbbe960_f8e2_652c_f3ce_76e3819f8f44 -->|method| 253a62ac_6415_0b08_8d21_0847456d6046

Relationship Graph

Source Code

testsuite/src/main/java/io/netty/testsuite/transport/socket/SocketReadPendingTest.java lines 144–212

    private static final class TestNumReadsRecvByteBufAllocator implements RecvByteBufAllocator {
        private final int numReads;
        TestNumReadsRecvByteBufAllocator(int numReads) {
            this.numReads = numReads;
        }

        @Override
        public ExtendedHandle newHandle() {
            return new ExtendedHandle() {
                private int attemptedBytesRead;
                private int lastBytesRead;
                private int numMessagesRead;
                @Override
                public ByteBuf allocate(ByteBufAllocator alloc) {
                    return alloc.ioBuffer(guess(), guess());
                }

                @Override
                public int guess() {
                    return 1; // only ever allocate buffers of size 1 to ensure the number of reads is controlled.
                }

                @Override
                public void reset(ChannelConfig config) {
                    numMessagesRead = 0;
                }

                @Override
                public void incMessagesRead(int numMessages) {
                    numMessagesRead += numMessages;
                }

                @Override
                public void lastBytesRead(int bytes) {
                    lastBytesRead = bytes;
                }

                @Override
                public int lastBytesRead() {
                    return lastBytesRead;
                }

                @Override
                public void attemptedBytesRead(int bytes) {
                    attemptedBytesRead = bytes;
                }

                @Override
                public int attemptedBytesRead() {
                    return attemptedBytesRead;
                }

                @Override
                public boolean continueReading() {
                    return numMessagesRead < numReads;
                }

                @Override
                public boolean continueReading(UncheckedBooleanSupplier maybeMoreDataSupplier) {
                    return continueReading();
                }

                @Override
                public void readComplete() {
                    // Nothing needs to be done or adjusted after each read cycle is completed.
                }
            };
        }
    }

Defined In

Source

Frequently Asked Questions

What is the TestNumReadsRecvByteBufAllocator class?
TestNumReadsRecvByteBufAllocator is a class in the netty codebase, defined in testsuite/src/main/java/io/netty/testsuite/transport/socket/SocketReadPendingTest.java.
Where is TestNumReadsRecvByteBufAllocator defined?
TestNumReadsRecvByteBufAllocator is defined in testsuite/src/main/java/io/netty/testsuite/transport/socket/SocketReadPendingTest.java at line 144.

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