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Diffstat (limited to 'lib/perl/lib/Thrift/BinaryProtocol.pm')
-rw-r--r-- | lib/perl/lib/Thrift/BinaryProtocol.pm | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/lib/perl/lib/Thrift/BinaryProtocol.pm b/lib/perl/lib/Thrift/BinaryProtocol.pm new file mode 100644 index 000000000..0e5d61d38 --- /dev/null +++ b/lib/perl/lib/Thrift/BinaryProtocol.pm @@ -0,0 +1,498 @@ +# +# 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 utf8; +use Encode; + +use Thrift; +use Thrift::Protocol; + +use Bit::Vector; + +# +# Binary implementation of the Thrift protocol. +# +package Thrift::BinaryProtocol; +use base('Thrift::Protocol'); + +use constant VERSION_MASK => 0xffff0000; +use constant VERSION_1 => 0x80010000; + +sub new +{ + my $classname = shift; + my $trans = shift; + my $self = $classname->SUPER::new($trans); + + return bless($self,$classname); +} + +sub writeMessageBegin +{ + my $self = shift; + my ($name, $type, $seqid) = @_; + + return + $self->writeI32(VERSION_1 | $type) + + $self->writeString($name) + + $self->writeI32($seqid); +} + +sub writeMessageEnd +{ + my $self = shift; + return 0; +} + +sub writeStructBegin{ + my $self = shift; + my $name = shift; + return 0; +} + +sub writeStructEnd +{ + my $self = shift; + return 0; +} + +sub writeFieldBegin +{ + my $self = shift; + my ($fieldName, $fieldType, $fieldId) = @_; + + return + $self->writeByte($fieldType) + + $self->writeI16($fieldId); +} + +sub writeFieldEnd +{ + my $self = shift; + return 0; +} + +sub writeFieldStop +{ + my $self = shift; + return $self->writeByte(TType::STOP); +} + +sub writeMapBegin +{ + my $self = shift; + my ($keyType, $valType, $size) = @_; + + return + $self->writeByte($keyType) + + $self->writeByte($valType) + + $self->writeI32($size); +} + +sub writeMapEnd +{ + my $self = shift; + return 0; +} + +sub writeListBegin +{ + my $self = shift; + my ($elemType, $size) = @_; + + return + $self->writeByte($elemType) + + $self->writeI32($size); +} + +sub writeListEnd +{ + my $self = shift; + return 0; +} + +sub writeSetBegin +{ + my $self = shift; + my ($elemType, $size) = @_; + + return + $self->writeByte($elemType) + + $self->writeI32($size); +} + +sub writeSetEnd +{ + my $self = shift; + return 0; +} + +sub writeBool +{ + my $self = shift; + my $value = shift; + + my $data = pack('c', $value ? 1 : 0); + $self->{trans}->write($data, 1); + return 1; +} + +sub writeByte +{ + my $self = shift; + my $value= shift; + + my $data = pack('c', $value); + $self->{trans}->write($data, 1); + return 1; +} + +sub writeI16 +{ + my $self = shift; + my $value= shift; + + my $data = pack('n', $value); + $self->{trans}->write($data, 2); + return 2; +} + +sub writeI32 +{ + my $self = shift; + my $value= shift; + + my $data = pack('N', $value); + $self->{trans}->write($data, 4); + return 4; +} + +sub writeI64 +{ + my $self = shift; + my $value= shift; + my $data; + + my $vec; + #stop annoying error + $vec = Bit::Vector->new_Dec(64, $value); + $data = pack 'NN', $vec->Chunk_Read(32, 32), $vec->Chunk_Read(32, 0); + + $self->{trans}->write($data, 8); + + return 8; +} + + +sub writeDouble +{ + my $self = shift; + my $value= shift; + + my $data = pack('d', $value); + $self->{trans}->write(scalar reverse($data), 8); + return 8; +} + +sub writeString{ + my $self = shift; + my $value= shift; + + if( utf8::is_utf8($value) ){ + $value = Encode::encode_utf8($value); + } + + my $len = length($value); + + my $result = $self->writeI32($len); + + if ($len) { + $self->{trans}->write($value,$len); + } + return $result + $len; + } + + +# +#All references +# +sub readMessageBegin +{ + my $self = shift; + my ($name, $type, $seqid) = @_; + + my $version = 0; + my $result = $self->readI32(\$version); + if (($version & VERSION_MASK) > 0) { + if (($version & VERSION_MASK) != VERSION_1) { + die new Thrift::TException('Missing version identifier') + } + $$type = $version & 0x000000ff; + return + $result + + $self->readString($name) + + $self->readI32($seqid); + } else { # old client support code + return + $result + + $self->readStringBody($name, $version) + # version here holds the size of the string + $self->readByte($type) + + $self->readI32($seqid); + } +} + +sub readMessageEnd +{ + my $self = shift; + return 0; +} + +sub readStructBegin +{ + my $self = shift; + my $name = shift; + + $$name = ''; + + return 0; +} + +sub readStructEnd +{ + my $self = shift; + return 0; +} + +sub readFieldBegin +{ + my $self = shift; + my ($name, $fieldType, $fieldId) = @_; + + my $result = $self->readByte($fieldType); + + if ($$fieldType == TType::STOP) { + $$fieldId = 0; + return $result; + } + + $result += $self->readI16($fieldId); + + return $result; +} + +sub readFieldEnd() { + my $self = shift; + return 0; +} + +sub readMapBegin +{ + my $self = shift; + my ($keyType, $valType, $size) = @_; + + return + $self->readByte($keyType) + + $self->readByte($valType) + + $self->readI32($size); +} + +sub readMapEnd() +{ + my $self = shift; + return 0; +} + +sub readListBegin +{ + my $self = shift; + my ($elemType, $size) = @_; + + return + $self->readByte($elemType) + + $self->readI32($size); +} + +sub readListEnd +{ + my $self = shift; + return 0; +} + +sub readSetBegin +{ + my $self = shift; + my ($elemType, $size) = @_; + + return + $self->readByte($elemType) + + $self->readI32($size); +} + +sub readSetEnd +{ + my $self = shift; + return 0; +} + +sub readBool +{ + my $self = shift; + my $value = shift; + + my $data = $self->{trans}->readAll(1); + my @arr = unpack('c', $data); + $$value = $arr[0] == 1; + return 1; +} + +sub readByte +{ + my $self = shift; + my $value = shift; + + my $data = $self->{trans}->readAll(1); + my @arr = unpack('c', $data); + $$value = $arr[0]; + return 1; +} + +sub readI16 +{ + my $self = shift; + my $value = shift; + + my $data = $self->{trans}->readAll(2); + + my @arr = unpack('n', $data); + + $$value = $arr[0]; + + if ($$value > 0x7fff) { + $$value = 0 - (($$value - 1) ^ 0xffff); + } + + return 2; +} + +sub readI32 +{ + my $self = shift; + my $value= shift; + + my $data = $self->{trans}->readAll(4); + my @arr = unpack('N', $data); + + $$value = $arr[0]; + if ($$value > 0x7fffffff) { + $$value = 0 - (($$value - 1) ^ 0xffffffff); + } + return 4; +} + +sub readI64 +{ + my $self = shift; + my $value = shift; + + my $data = $self->{trans}->readAll(8); + + my ($hi,$lo)=unpack('NN',$data); + + my $vec = new Bit::Vector(64); + + $vec->Chunk_Store(32,32,$hi); + $vec->Chunk_Store(32,0,$lo); + + $$value = $vec->to_Dec(); + + return 8; +} + +sub readDouble +{ + my $self = shift; + my $value = shift; + + my $data = scalar reverse($self->{trans}->readAll(8)); + my @arr = unpack('d', $data); + + $$value = $arr[0]; + + return 8; +} + +sub readString +{ + my $self = shift; + my $value = shift; + + my $len; + my $result = $self->readI32(\$len); + + if ($len) { + $$value = $self->{trans}->readAll($len); + } else { + $$value = ''; + } + + return $result + $len; +} + +sub readStringBody +{ + my $self = shift; + my $value = shift; + my $len = shift; + + if ($len) { + $$value = $self->{trans}->readAll($len); + } else { + $$value = ''; + } + + return $len; +} + +# +# Binary Protocol Factory +# +package TBinaryProtocolFactory; +use base('TProtocolFactory'); + +sub new +{ + my $classname = shift; + my $self = $classname->SUPER::new(); + + return bless($self,$classname); +} + +sub getProtocol{ + my $self = shift; + my $trans = shift; + + return new TBinaryProtocol($trans); +} + +1; |