Java Code Examples for java.nio.channels.ScatteringByteChannel#read()

The following examples show how to use java.nio.channels.ScatteringByteChannel#read() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: HeapChannelBuffer.java    From dubbox with Apache License 2.0 6 votes vote down vote up 
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ByteBuffer buf = ByteBuffer.wrap(array, index, length);
    int readBytes = 0;

    do {
        int localReadBytes;
        try {
            localReadBytes = in.read(buf);
        } catch (ClosedChannelException e) {
            localReadBytes = -1;
        }
        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        } else if (localReadBytes == 0) {
            break;
        }
        readBytes += localReadBytes;
    } while (readBytes < length);

    return readBytes;
}
Example 2
Source File: HeapChannelBuffer.java    From dubbo3 with Apache License 2.0 6 votes vote down vote up 
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ByteBuffer buf = ByteBuffer.wrap(array, index, length);
    int readBytes = 0;

    do {
        int localReadBytes;
        try {
            localReadBytes = in.read(buf);
        } catch (ClosedChannelException e) {
            localReadBytes = -1;
        }
        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        } else if (localReadBytes == 0) {
            break;
        }
        readBytes += localReadBytes;
    } while (readBytes < length);

    return readBytes;
}
Example 3
Source File: HeapChannelBuffer.java    From dubbox-hystrix with Apache License 2.0 6 votes vote down vote up 
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ByteBuffer buf = ByteBuffer.wrap(array, index, length);
    int readBytes = 0;

    do {
        int localReadBytes;
        try {
            localReadBytes = in.read(buf);
        } catch (ClosedChannelException e) {
            localReadBytes = -1;
        }
        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        } else if (localReadBytes == 0) {
            break;
        }
        readBytes += localReadBytes;
    } while (readBytes < length);

    return readBytes;
}
Example 4
Source File: HeapChannelBuffer.java    From dubbox with Apache License 2.0 6 votes vote down vote up 
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ByteBuffer buf = ByteBuffer.wrap(array, index, length);
    int readBytes = 0;

    do {
        int localReadBytes;
        try {
            localReadBytes = in.read(buf);
        } catch (ClosedChannelException e) {
            localReadBytes = -1;
        }
        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        } else if (localReadBytes == 0) {
            break;
        }
        readBytes += localReadBytes;
    } while (readBytes < length);

    return readBytes;
}
Example 5
Source File: HeapChannelBuffer.java    From dubbo-2.6.5 with Apache License 2.0 6 votes vote down vote up 
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ByteBuffer buf = ByteBuffer.wrap(array, index, length);
    int readBytes = 0;

    do {
        int localReadBytes;
        try {
            localReadBytes = in.read(buf);
        } catch (ClosedChannelException e) {
            localReadBytes = -1;
        }
        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        } else if (localReadBytes == 0) {
            break;
        }
        readBytes += localReadBytes;
    } while (readBytes < length);

    return readBytes;
}
Example 6
Source File: UnpooledUnsafeDirectByteBuf.java    From netty4.0.27Learn with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ensureAccessible();
    ByteBuffer tmpBuf = internalNioBuffer();
    tmpBuf.clear().position(index).limit(index + length);
    try {
        return in.read(tmpBuf);
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 7
Source File: UnpooledDirectByteBuf.java    From netty4.0.27Learn with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ensureAccessible();
    ByteBuffer tmpBuf = internalNioBuffer();
    tmpBuf.clear().position(index).limit(index + length);
    try {
        return in.read(tmpNioBuf);
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 8
Source File: MultiQpidByteBuffer.java    From qpid-broker-j with Apache License 2.0 5 votes vote down vote up 
@Override
public final long read(ScatteringByteChannel channel) throws IOException
{
    ByteBuffer[] byteBuffers = new ByteBuffer[_fragments.length];
    for (int i = 0; i < byteBuffers.length; i++)
    {
        final SingleQpidByteBuffer fragment = _fragments[i];
        byteBuffers[i] = fragment.getUnderlyingBuffer();
    }
    return channel.read(byteBuffers);
}
Example 9
Source File: PooledHeapByteBuf.java    From netty4.0.27Learn with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    checkIndex(index, length);
    index = idx(index);
    try {
        return in.read((ByteBuffer) internalNioBuffer().clear().position(index).limit(index + length));
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 10
Source File: PacketTracer.java    From ProjectAres with GNU Affero General Public License v3.0 5 votes vote down vote up 
@Override
public int writeBytes(ScatteringByteChannel ch, int max) throws IOException {
    ByteBuffer tmp = ByteBuffer.allocateDirect(max);
    int length = ch.read(tmp);
    writeBytes(tmp);
    return length;
}
Example 11
Source File: PooledDirectByteBuf.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    checkIndex(index, length);
    ByteBuffer tmpBuf = internalNioBuffer();
    index = idx(index);
    tmpBuf.clear().position(index).limit(index + length);
    try {
        return in.read(tmpBuf);
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 12
Source File: UnpooledUnsafeDirectByteBuf.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ensureAccessible();
    ByteBuffer tmpBuf = internalNioBuffer();
    tmpBuf.clear().position(index).limit(index + length);
    try {
        return in.read(tmpBuf);
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 13
Source File: PooledUnsafeDirectByteBuf.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    checkIndex(index, length);
    ByteBuffer tmpBuf = internalNioBuffer();
    index = idx(index);
    tmpBuf.clear().position(index).limit(index + length);
    try {
        return in.read(tmpBuf);
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 14
Source File: UnpooledHeapByteBuf.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ensureAccessible();
    try {
        return in.read((ByteBuffer) internalNioBuffer().clear().position(index).limit(index + length));
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 15
Source File: UnpooledDirectByteBuf.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    ensureAccessible();
    ByteBuffer tmpBuf = internalNioBuffer();
    tmpBuf.clear().position(index).limit(index + length);
    try {
        return in.read(tmpNioBuf);
    } catch (ClosedChannelException ignored) {
        return -1;
    }
}
Example 16
Source File: NetworkBuffer.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
	// adapted from UnpooledDirectByteBuf:
	checkIndex(index, length);

	ByteBuffer tmpBuf = memorySegment.wrap(index, length);
	try {
		return in.read(tmpBuf);
	} catch (ClosedChannelException ignored) {
		return -1;
	}
}
Example 17
Source File: NetworkBuffer.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
	// adapted from UnpooledDirectByteBuf:
	checkIndex(index, length);

	ByteBuffer tmpBuf = memorySegment.wrap(index, length);
	try {
		return in.read(tmpBuf);
	} catch (ClosedChannelException ignored) {
		return -1;
	}
}
Example 18
Source File: CompositeByteBuf.java    From netty-4.1.22 with Apache License 2.0 4 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    checkIndex(index, length);
    if (length == 0) {
        return in.read(EMPTY_NIO_BUFFER);
    }

    int i = toComponentIndex(index);
    int readBytes = 0;
    do {
        Component c = components.get(i);
        ByteBuf s = c.buf;
        int adjustment = c.offset;
        int localLength = Math.min(length, s.capacity() - (index - adjustment));
        if (localLength == 0) {
            // Skip empty buffer
            i++;
            continue;
        }
        int localReadBytes = s.setBytes(index - adjustment, in, localLength);

        if (localReadBytes == 0) {
            break;
        }

        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        }

        if (localReadBytes == localLength) {
            index += localLength;
            length -= localLength;
            readBytes += localLength;
            i ++;
        } else {
            index += localReadBytes;
            length -= localReadBytes;
            readBytes += localReadBytes;
        }
    } while (length > 0);

    return readBytes;
}
Example 19
Source File: SingleQpidByteBuffer.java    From qpid-broker-j with Apache License 2.0 4 votes vote down vote up 
@Override
public final long read(ScatteringByteChannel channel) throws IOException
{
    return channel.read(getUnderlyingBuffer());
}
Example 20
Source File: CompositeByteBuf.java    From netty4.0.27Learn with Apache License 2.0 4 votes vote down vote up 
@Override
public int setBytes(int index, ScatteringByteChannel in, int length) throws IOException {
    checkIndex(index, length);
    if (length == 0) {
        return in.read(EMPTY_NIO_BUFFER);
    }

    int i = toComponentIndex(index);
    int readBytes = 0;
    do {
        Component c = components.get(i);
        ByteBuf s = c.buf;
        int adjustment = c.offset;
        int localLength = Math.min(length, s.capacity() - (index - adjustment));
        int localReadBytes = s.setBytes(index - adjustment, in, localLength);

        if (localReadBytes == 0) {
            break;
        }

        if (localReadBytes < 0) {
            if (readBytes == 0) {
                return -1;
            } else {
                break;
            }
        }

        if (localReadBytes == localLength) {
            index += localLength;
            length -= localLength;
            readBytes += localLength;
            i ++;
        } else {
            index += localReadBytes;
            length -= localReadBytes;
            readBytes += localReadBytes;
        }
    } while (length > 0);

    return readBytes;
}