/** * Write bytes form the given {@link ByteBuf} to the underlying {@link java.nio.channels.Channel}. * @param in the collection which contains objects to write. * @param buf the {@link ByteBuf} from which the bytes should be written * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> */ private int writeBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception { int readableBytes = buf.readableBytes(); if (readableBytes == 0) { in.remove(); return 0; } if (buf.hasMemoryAddress() || buf.nioBufferCount() == 1) { return doWriteBytes(in, buf); } else { ByteBuffer[] nioBuffers = buf.nioBuffers(); return writeBytesMultiple(in, nioBuffers, nioBuffers.length, readableBytes, config().getMaxBytesPerGatheringWrite()); } }
/** * Write bytes form the given {@link ByteBuf} to the underlying {@link java.nio.channels.Channel}. * @param in the collection which contains objects to write. * @param buf the {@link ByteBuf} from which the bytes should be written * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> */ private int writeBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception { int readableBytes = buf.readableBytes(); if (readableBytes == 0) { in.remove(); return 0; } if (buf.hasMemoryAddress() || buf.nioBufferCount() == 1) { return doWriteBytes(in, buf); } else { ByteBuffer[] nioBuffers = buf.nioBuffers(); return writeBytesMultiple(in, nioBuffers, nioBuffers.length, readableBytes, config().getMaxBytesPerGatheringWrite()); } }
/** * Attempt to write multiple {@link ByteBuf} objects. * @param in the collection which contains objects to write. * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> * @throws Exception If an I/O error occurs. */ private int doWriteMultiple(ChannelOutboundBuffer in) throws Exception { final long maxBytesPerGatheringWrite = config().getMaxBytesPerGatheringWrite(); IovArray array = ((KQueueEventLoop) eventLoop()).cleanArray(); array.maxBytes(maxBytesPerGatheringWrite); in.forEachFlushedMessage(array); if (array.count() >= 1) { // TODO: Handle the case where cnt == 1 specially. return writeBytesMultiple(in, array); } // cnt == 0, which means the outbound buffer contained empty buffers only. in.removeBytes(0); return 0; }
final long maxBytesPerGatheringWrite = config().getMaxBytesPerGatheringWrite(); if (PlatformDependent.hasUnsafe()) { IovArray array = ((KQueueEventLoop) eventLoop()).cleanArray();
/** * Write bytes form the given {@link ByteBuf} to the underlying {@link java.nio.channels.Channel}. * @param in the collection which contains objects to write. * @param buf the {@link ByteBuf} from which the bytes should be written * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> */ private int writeBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception { int readableBytes = buf.readableBytes(); if (readableBytes == 0) { in.remove(); return 0; } if (buf.hasMemoryAddress() || buf.nioBufferCount() == 1) { return doWriteBytes(in, buf); } else { ByteBuffer[] nioBuffers = buf.nioBuffers(); return writeBytesMultiple(in, nioBuffers, nioBuffers.length, readableBytes, config().getMaxBytesPerGatheringWrite()); } }
/** * Write bytes form the given {@link ByteBuf} to the underlying {@link java.nio.channels.Channel}. * @param in the collection which contains objects to write. * @param buf the {@link ByteBuf} from which the bytes should be written * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> */ private int writeBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception { int readableBytes = buf.readableBytes(); if (readableBytes == 0) { in.remove(); return 0; } if (buf.hasMemoryAddress() || buf.nioBufferCount() == 1) { return doWriteBytes(in, buf); } else { ByteBuffer[] nioBuffers = buf.nioBuffers(); return writeBytesMultiple(in, nioBuffers, nioBuffers.length, readableBytes, config().getMaxBytesPerGatheringWrite()); } }
/** * Write bytes form the given {@link ByteBuf} to the underlying {@link java.nio.channels.Channel}. * @param in the collection which contains objects to write. * @param buf the {@link ByteBuf} from which the bytes should be written * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> */ private int writeBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception { int readableBytes = buf.readableBytes(); if (readableBytes == 0) { in.remove(); return 0; } if (buf.hasMemoryAddress() || buf.nioBufferCount() == 1) { return doWriteBytes(in, buf); } else { ByteBuffer[] nioBuffers = buf.nioBuffers(); return writeBytesMultiple(in, nioBuffers, nioBuffers.length, readableBytes, config().getMaxBytesPerGatheringWrite()); } }
/** * Write bytes form the given {@link ByteBuf} to the underlying {@link java.nio.channels.Channel}. * @param in the collection which contains objects to write. * @param buf the {@link ByteBuf} from which the bytes should be written * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> */ private int writeBytes(ChannelOutboundBuffer in, ByteBuf buf) throws Exception { int readableBytes = buf.readableBytes(); if (readableBytes == 0) { in.remove(); return 0; } if (buf.hasMemoryAddress() || buf.nioBufferCount() == 1) { return doWriteBytes(in, buf); } else { ByteBuffer[] nioBuffers = buf.nioBuffers(); return writeBytesMultiple(in, nioBuffers, nioBuffers.length, readableBytes, config().getMaxBytesPerGatheringWrite()); } }
/** * Attempt to write multiple {@link ByteBuf} objects. * @param in the collection which contains objects to write. * @return The value that should be decremented from the write quantum which starts at * {@link ChannelConfig#getWriteSpinCount()}. The typical use cases are as follows: * <ul> * <li>0 - if no write was attempted. This is appropriate if an empty {@link ByteBuf} (or other empty content) * is encountered</li> * <li>1 - if a single call to write data was made to the OS</li> * <li>{@link ChannelUtils#WRITE_STATUS_SNDBUF_FULL} - if an attempt to write data was made to the OS, but no * data was accepted</li> * </ul> * @throws Exception If an I/O error occurs. */ private int doWriteMultiple(ChannelOutboundBuffer in) throws Exception { final long maxBytesPerGatheringWrite = config().getMaxBytesPerGatheringWrite(); IovArray array = ((KQueueEventLoop) eventLoop()).cleanArray(); array.maxBytes(maxBytesPerGatheringWrite); in.forEachFlushedMessage(array); if (array.count() >= 1) { // TODO: Handle the case where cnt == 1 specially. return writeBytesMultiple(in, array); } // cnt == 0, which means the outbound buffer contained empty buffers only. in.removeBytes(0); return 0; }
final long maxBytesPerGatheringWrite = config().getMaxBytesPerGatheringWrite(); if (PlatformDependent.hasUnsafe()) { IovArray array = ((KQueueEventLoop) eventLoop()).cleanArray();
final long maxBytesPerGatheringWrite = config().getMaxBytesPerGatheringWrite(); if (PlatformDependent.hasUnsafe()) { IovArray array = ((KQueueEventLoop) eventLoop()).cleanArray();
final long maxBytesPerGatheringWrite = config().getMaxBytesPerGatheringWrite(); if (PlatformDependent.hasUnsafe()) { IovArray array = ((KQueueEventLoop) eventLoop()).cleanArray();