Examples of org.apache.mina.filter.WriteBufferLimitFilterBuilder

org.apache.mina.filter.WriteBufferLimitFilterBuilder
This filter will turn the asynchronous filterWrite method in to a blocking send when there are more than the prescribed number of messages awaiting filterWrite. It should be used in conjunction with the {@link ReadThrottleFilterBuilder} on a server as the blocking writes will allow the read thread tocause an Out of Memory exception due to a back log of unprocessed messages. This is should only be viewed as a temporary work around for DIRMINA-302. A true solution should not be implemented as a filter as this issue will always occur. On a machine where the network is slower than the local producer. Suggested improvement is to allow implementation of policices on what to do when buffer is full. They could be: Block - As this does Wait on a given Future - to drain more of the queue.. in essence this filter with high/low watermarks Throw Exception - through the client filterWrite() method to allow them to get immediate feedback on buffer state

Usage:
```
 DefaultFilterChainBuilder builder = ... WriteBufferLimitFilterBuilder filter = new WriteBufferLimitFilterBuilder(); filter.attach( builder ); 
```
or
```
 IoFilterChain chain = ... WriteBufferLimitFilterBuilder filter = new WriteBufferLimitFilterBuilder(); filter.attach( chain ); 
```
@author The Apache Directory Project (mina-dev@directory.apache.org) @version $Rev: 619823 $, $Date: 2008-02-08 10:09:37 +0000 (Fri, 08 Feb 2008) $


            ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
            readfilter.setMaximumConnectionBufferSize(_config.getReceiveBufferSize());
            readfilter.attach(chain);


            WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
            writefilter.setMaximumConnectionBufferSize(_config.getSendBufferSize());
            writefilter.attach(chain);


            protocolSession.getFilterChain().remove("tempExecutorFilterForFilterBuilder");
        }


        if (_ioSession == null)

View Full Code Here


            ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
            readfilter.setMaximumConnectionBufferSize(_config.getReceiveBufferSize());
            readfilter.attach(chain);


            WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
            writefilter.setMaximumConnectionBufferSize(_config.getSendBufferSize());
            writefilter.attach(chain);


            protocolSession.getFilterChain().remove("tempExecutorFilterForFilterBuilder");
        }


        if (_ioSession == null)

View Full Code Here


                ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
                readfilter.setMaximumConnectionBufferSize(BUFFER_READ_LIMIT_SIZE);
                readfilter.attach(chain);


                WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
                writefilter.setMaximumConnectionBufferSize(BUFFER_WRITE_LIMIT_SIZE);
                writefilter.attach(chain);


                protocolSession.getFilterChain().remove("tempExecutorFilterForFilterBuilder");
                _logger.info("Using IO Read/Write Filter Protection");
            }
            catch (Exception e)

View Full Code Here

                ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
                readfilter.setMaximumConnectionBufferSize(
                        Integer.parseInt(System.getProperty("qpid.read.buffer.limit", DEFAULT_READ_BUFFER_LIMIT)));
                readfilter.attach(chain);


                WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
                writefilter.setMaximumConnectionBufferSize(
                        Integer.parseInt(System.getProperty("qpid.write.buffer.limit", DEFAULT_WRITE_BUFFER_LIMIT)));
                writefilter.attach(chain);
                session.getFilterChain().remove("tempExecutorFilterForFilterBuilder");


                log.info("Using IO Read/Write Filter Protection");
            }
            catch (Exception e)

View Full Code Here

                ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
                readfilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty(
                        ClientProperties.READ_BUFFER_LIMIT_PROP_NAME, ClientProperties.READ_BUFFER_LIMIT_DEFAULT)));
                readfilter.attach(chain);


                WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
                writefilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty(
                        ClientProperties.WRITE_BUFFER_LIMIT_PROP_NAME, ClientProperties.WRITE_BUFFER_LIMIT_DEFAULT)));
                writefilter.attach(chain);
                session.getFilterChain().remove("tempExecutorFilterForFilterBuilder");


                _logger.info("Using IO Read/Write Filter Protection");
            }
            catch (Exception e)

View Full Code Here


            ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
            readfilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty("qpid.read.buffer.limit", DEFAULT_READ_BUFFER)));
            readfilter.attach(chain);


            WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();


            writefilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty("qpid.write.buffer.limit", DEFAULT_WRITE_BUFFER)));


            writefilter.attach(chain);
        }

View Full Code Here


            ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
            readfilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty("qpid.read.buffer.limit", DEFAULT_READ_BUFFER)));
            readfilter.attach(chain);


            WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();


            writefilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty("qpid.write.buffer.limit", DEFAULT_WRITE_BUFFER)));


            writefilter.attach(chain);


        }

View Full Code Here

                ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
                readfilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty(
                        ClientProperties.READ_BUFFER_LIMIT_PROP_NAME, ClientProperties.READ_BUFFER_LIMIT_DEFAULT)));
                readfilter.attach(chain);


                WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
                writefilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty(
                        ClientProperties.WRITE_BUFFER_LIMIT_PROP_NAME, ClientProperties.WRITE_BUFFER_LIMIT_DEFAULT)));
                writefilter.attach(chain);
                session.getFilterChain().remove("tempExecutorFilterForFilterBuilder");


                _logger.info("Using IO Read/Write Filter Protection");
            }
            catch (Exception e)

View Full Code Here

                ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
                readfilter.setMaximumConnectionBufferSize(
                        Integer.parseInt(System.getProperty("qpid.read.buffer.limit", DEFAULT_READ_BUFFER_LIMIT)));
                readfilter.attach(chain);


                WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
                writefilter.setMaximumConnectionBufferSize(
                        Integer.parseInt(System.getProperty("qpid.write.buffer.limit", DEFAULT_WRITE_BUFFER_LIMIT)));
                writefilter.attach(chain);
                session.getFilterChain().remove("tempExecutorFilterForFilterBuilder");


                log.info("Using IO Read/Write Filter Protection");
            }
            catch (Exception e)

View Full Code Here


            ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder();
            readfilter.setMaximumConnectionBufferSize(_config.getReceiveBufferSize());
            readfilter.attach(chain);


            WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder();
            writefilter.setMaximumConnectionBufferSize(_config.getSendBufferSize());
            writefilter.attach(chain);


            protocolSession.getFilterChain().remove("tempExecutorFilterForFilterBuilder");
        }


        if (_ioSession == null)

View Full Code Here

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