Package org.xnio.channels

Examples of org.xnio.channels.StreamSinkChannel

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    }

    @Override
    public void close(final IoCallback callback) {
        try {
            StreamSinkChannel channel = this.channel;
            if (channel == null) {
                if (exchange.getResponseContentLength() == -1) {
                    exchange.setResponseContentLength(0);
                }
                this.channel = channel = exchange.getResponseChannel();
                if (channel == null) {
                    throw UndertowMessages.MESSAGES.responseChannelAlreadyProvided();
                }
            }
            channel.shutdownWrites();
            if (!channel.flush()) {
                channel.getWriteSetter().set(ChannelListeners.flushingChannelListener(
                        new ChannelListener<StreamSinkChannel>() {
                            @Override
                            public void handleEvent(final StreamSinkChannel channel) {
                                callback.onComplete(exchange, AsyncSenderImpl.this);
                            }
                        }, new ChannelExceptionHandler<StreamSinkChannel>() {
                            @Override
                            public void handleException(final StreamSinkChannel channel, final IOException exception) {
                                callback.onException(exchange, AsyncSenderImpl.this, exception);
                            }
                        }
                ));
                channel.resumeWrites();
            } else {
                if (callback != null) {
                    callback.onComplete(exchange, this);
                }
            }
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                callback.onComplete(exchange, this);
            } finally {
                inCallback = false;
            }

            StreamSinkChannel channel = this.channel;
            if (this.buffer != null) {
                long t = Buffers.remaining(buffer);
                final long total = t;
                long written = 0;

                try {
                    do {
                        long res = channel.write(buffer);
                        written += res;
                        if (res == 0) {
                            channel.getWriteSetter().set(writeListener);
                            channel.resumeWrites();
                            return;
                        }
                    } while (written < total);
                    //we loop and invoke onComplete again
                } catch (IOException e) {
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                    return;
                } else if (res == -1) {
                    try {
                        channel.suspendReads();
                        channel.shutdownReads();
                        final StreamSinkChannel responseChannel = this.connection.getChannel().getSinkChannel();
                        responseChannel.shutdownWrites();
                        // will return false if there's a response queued ahead of this one, so we'll set up a listener then
                        if (!responseChannel.flush()) {
                            responseChannel.getWriteSetter().set(ChannelListeners.flushingChannelListener(null, null));
                            responseChannel.resumeWrites();
                        }
                    } catch (IOException e) {
                        UndertowLogger.REQUEST_IO_LOGGER.debug("Error reading request", e);
                        // fuck it, it's all ruined
                        IoUtils.safeClose(channel);
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            throw UndertowMessages.MESSAGES.argumentCannotBeNull("callback");
        }
        if (this.buffer != null || this.fileChannel != null) {
            throw UndertowMessages.MESSAGES.dataAlreadyQueued();
        }
        StreamSinkChannel channel = this.channel;
        if (channel == null) {
            if (callback == IoCallback.END_EXCHANGE) {
                if (exchange.getResponseContentLength() == -1) {
                    exchange.setResponseContentLength(buffer.remaining());
                }
            }
            this.channel = channel = exchange.getResponseChannel();
            if (channel == null) {
                throw UndertowMessages.MESSAGES.responseChannelAlreadyProvided();
            }
        }
        this.callback = callback;
        if (inCallback) {
            this.buffer = new ByteBuffer[]{buffer};
            return;
        }
        try {
            do {
                if (buffer.remaining() == 0) {
                    callback.onComplete(exchange, this);
                    return;
                }
                int res = channel.write(buffer);
                if (res == 0) {
                    this.buffer = new ByteBuffer[]{buffer};
                    this.callback = callback;
                    channel.getWriteSetter().set(writeListener);
                    channel.resumeWrites();
                    return;
                }
            } while (buffer.hasRemaining());
            invokeOnComplete();
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            return;
        }

        long totalToWrite = Buffers.remaining(buffer);

        StreamSinkChannel channel = this.channel;
        if (channel == null) {
            if (callback == IoCallback.END_EXCHANGE) {
                if (exchange.getResponseContentLength() == -1) {
                    exchange.setResponseContentLength(totalToWrite);
                }
            }
            this.channel = channel = exchange.getResponseChannel();
            if (channel == null) {
                throw UndertowMessages.MESSAGES.responseChannelAlreadyProvided();
            }
        }

        final long total = totalToWrite;
        long written = 0;

        try {
            do {
                long res = channel.write(buffer);
                written += res;
                if (res == 0) {
                    this.buffer = buffer;
                    this.callback = callback;
                    channel.getWriteSetter().set(writeListener);
                    channel.resumeWrites();
                    return;
                }
            } while (written < total);
            invokeOnComplete();
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    }

    @Override
    public void close(final IoCallback callback) {
        try {
            StreamSinkChannel channel = this.channel;
            if (channel == null) {
                if (exchange.getResponseContentLength() == -1) {
                    exchange.setResponseContentLength(0);
                }
                this.channel = channel = exchange.getResponseChannel();
                if (channel == null) {
                    throw UndertowMessages.MESSAGES.responseChannelAlreadyProvided();
                }
            }
            channel.shutdownWrites();
            if (!channel.flush()) {
                channel.getWriteSetter().set(ChannelListeners.flushingChannelListener(
                        new ChannelListener<StreamSinkChannel>() {
                            @Override
                            public void handleEvent(final StreamSinkChannel channel) {
                                if(callback != null) {
                                    callback.onComplete(exchange, AsyncSenderImpl.this);
                                }
                            }
                        }, new ChannelExceptionHandler<StreamSinkChannel>() {
                            @Override
                            public void handleException(final StreamSinkChannel channel, final IOException exception) {
                                try {
                                    if(callback != null) {
                                        invokeOnException(callback, exception);
                                    }
                                } finally {
                                    IoUtils.safeClose(channel);
                                }
                            }
                        }
                ));
                channel.resumeWrites();
            } else {
                if (callback != null) {
                    callback.onComplete(exchange, this);
                }
            }
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                callback.onComplete(exchange, this);
            } finally {
                inCallback = false;
            }

            StreamSinkChannel channel = this.channel;
            if (this.buffer != null) {
                long t = Buffers.remaining(buffer);
                final long total = t;
                long written = 0;

                try {
                    do {
                        long res = channel.write(buffer);
                        written += res;
                        if (res == 0) {
                            channel.getWriteSetter().set(writeListener);
                            channel.resumeWrites();
                            return;
                        }
                    } while (written < total);
                    //we loop and invoke onComplete again
                } catch (IOException e) {
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            try {
                FileChannel source = fileChannel;
                long pos = source.position();
                long size = source.size();

                StreamSinkChannel dest = channel;
                if (dest == null) {
                    if (callback == IoCallback.END_EXCHANGE) {
                        if (exchange.getResponseContentLength() == -1) {
                            exchange.setResponseContentLength(size);
                        }
                    }
                    channel = dest = exchange.getResponseChannel();
                    if (dest == null) {
                        throw UndertowMessages.MESSAGES.responseChannelAlreadyProvided();
                    }
                }

                while (size - pos > 0) {
                    long ret = dest.transferFrom(source, pos, size - pos);
                    pos += ret;
                    if (ret == 0) {
                        source.position(pos);
                        dest.getWriteSetter().set(this);
                        dest.resumeWrites();
                        return false;
                    }
                }

                if (complete) {
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                //so what we have will not fit.
                //We allocate multiple buffers up to MAX_BUFFERS_TO_ALLOCATE
                //and put it in them
                //if it still dopes not fit we loop, re-using these buffers

                StreamSinkChannel channel = this.channel;
                if (channel == null) {
                    this.channel = channel = exchange.getResponseChannel();
                }
                final Pool<ByteBuffer> bufferPool = exchange.getConnection().getBufferPool();
                ByteBuffer[] buffers = new ByteBuffer[MAX_BUFFERS_TO_ALLOCATE + 1];
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                writeBufferBlocking(true);
            }
            if (channel == null) {
                channel = exchange.getResponseChannel();
            }
            StreamSinkChannel channel = this.channel;
            channel.shutdownWrites();
            Channels.flushBlocking(channel);
        } finally {
            if (pooledBuffer != null) {
                pooledBuffer.free();
                buffer = null;
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Related Classes of org.xnio.channels.StreamSinkChannel

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  • io.undertow.client.ajp.AjpClientConnection$ClientReadListener
  • io.undertow.client.http.HttpClientConnection$ClientReadListener
  • io.undertow.client.HttpClientConnectionImpl$ClientReadListener
  • io.undertow.client.HttpClientImpl$ClientConnectionOpenListener
  • io.undertow.client.HttpClientRequest
  • io.undertow.io.AsyncSenderImpl
  • io.undertow.io.AsyncSenderImpl$TransferTask
  • io.undertow.io.UndertowOutputStream
  • io.undertow.server.handlers.error.FileErrorPageHandler
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