Mercurial > hg > Applications > casawiki
diff Cassandra/lib/Thrift/BufferedTransport.pm @ 0:a2f0a2c135cf
hg init
author | Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 06 Jun 2010 22:00:38 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Cassandra/lib/Thrift/BufferedTransport.pm Sun Jun 06 22:00:38 2010 +0900 @@ -0,0 +1,136 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# + +require 5.6.0; +use strict; +use warnings; + +use Thrift; +use Thrift::Transport; + +package Thrift::BufferedTransport; +use base('Thrift::Transport'); + +sub new +{ + my $classname = shift; + my $transport = shift; + my $rBufSize = shift || 512; + my $wBufSize = shift || 512; + + my $self = { + transport => $transport, + rBufSize => $rBufSize, + wBufSize => $wBufSize, + wBuf => '', + rBuf => '', + }; + + return bless($self,$classname); +} + +sub isOpen +{ + my $self = shift; + + return $self->{transport}->isOpen(); +} + +sub open +{ + my $self = shift; + $self->{transport}->open(); +} + +sub close() +{ + my $self = shift; + $self->{transport}->close(); +} + +sub readAll +{ + my $self = shift; + my $len = shift; + + return $self->{transport}->readAll($len); +} + +sub read +{ + my $self = shift; + my $len = shift; + my $ret; + + # Methinks Perl is already buffering these for us + return $self->{transport}->read($len); +} + +sub write +{ + my $self = shift; + my $buf = shift; + + $self->{wBuf} .= $buf; + if (length($self->{wBuf}) >= $self->{wBufSize}) { + $self->{transport}->write($self->{wBuf}); + $self->{wBuf} = ''; + } +} + +sub flush +{ + my $self = shift; + + if (length($self->{wBuf}) > 0) { + $self->{transport}->write($self->{wBuf}); + $self->{wBuf} = ''; + } + $self->{transport}->flush(); +} + + +# +# BufferedTransport factory creates buffered transport objects from transports +# +package Thrift::BufferedTransportFactory; + +sub new { + my $classname = shift; + my $self = {}; + + return bless($self,$classname); +} + +# +# Build a buffered transport from the base transport +# +# @return Thrift::BufferedTransport transport +# +sub getTransport +{ + my $self = shift; + my $trans = shift; + + my $buffered = Thrift::BufferedTransport->new($trans); + return $buffered; +} + + +1;