Class: Thrift::BinaryProtocol
- Inherits:
-
BaseProtocol
show all
- Defined in:
- lib/thrift/protocol/binaryprotocol.rb,
lib/thrift/protocol/binary_protocol.rb
Constant Summary
collapse
- VERSION_MASK =
0xffff0000
- VERSION_1 =
0x80010000
- TYPE_MASK =
0x000000ff
Instance Attribute Summary collapse
Attributes inherited from BaseProtocol
#trans
Instance Method Summary
collapse
-
#initialize(trans, strict_read = true, strict_write = true) ⇒ BinaryProtocol
constructor
A new instance of BinaryProtocol.
-
#read_bool ⇒ Object
-
#read_byte ⇒ Object
-
#read_double ⇒ Object
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#read_field_begin ⇒ Object
-
#read_i16 ⇒ Object
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#read_i32 ⇒ Object
-
#read_i64 ⇒ Object
-
#read_list_begin ⇒ Object
-
#read_map_begin ⇒ Object
-
#read_message_begin ⇒ Object
-
#read_set_begin ⇒ Object
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#read_string ⇒ Object
-
#read_struct_begin ⇒ Object
-
#write_bool(bool) ⇒ Object
-
#write_byte(byte) ⇒ Object
-
#write_double(dub) ⇒ Object
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#write_field_begin(name, type, id) ⇒ Object
-
#write_field_stop ⇒ Object
-
#write_i16(i16) ⇒ Object
-
#write_i32(i32) ⇒ Object
-
#write_i64(i64) ⇒ Object
-
#write_list_begin(etype, size) ⇒ Object
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#write_map_begin(ktype, vtype, size) ⇒ Object
-
#write_message_begin(name, type, seqid) ⇒ Object
-
#write_set_begin(etype, size) ⇒ Object
-
#write_string(str) ⇒ Object
-
#write_struct_begin(name) ⇒ Object
#native?, #read_field_end, #read_list_end, #read_map_end, #read_message_end, #read_set_end, #read_struct_end, #read_type, #skip, #write_field, #write_field_end, #write_list_end, #write_map_end, #write_message_end, #write_set_end, #write_struct_end, #write_type
Constructor Details
#initialize(trans, strict_read = true, strict_write = true) ⇒ BinaryProtocol
Returns a new instance of BinaryProtocol.
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 20
def initialize(trans, strict_read=true, strict_write=true)
super(trans)
@strict_read = strict_read
@strict_write = strict_write
end
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Instance Attribute Details
#strict_read ⇒ Object
Returns the value of attribute strict_read.
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 18
def strict_read
@strict_read
end
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#strict_write ⇒ Object
Returns the value of attribute strict_write.
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 18
def strict_write
@strict_write
end
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Instance Method Details
#read_bool ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 148
def read_bool
byte = read_byte
byte != 0
end
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#read_byte ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 153
def read_byte
dat = trans.read_all(1)
val = dat[0]
if (val > 0x7f)
val = 0 - ((val - 1) ^ 0xff)
end
val
end
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#read_double ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 192
def read_double
dat = trans.read_all(8)
val = dat.unpack('G').first
val
end
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#read_field_begin ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 119
def read_field_begin
type = read_byte
if (type == Types::STOP)
[nil, type, 0]
else
id = read_i16
[nil, type, id]
end
end
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#read_i16 ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 162
def read_i16
dat = trans.read_all(2)
val, = dat.unpack('n')
if (val > 0x7fff)
val = 0 - ((val - 1) ^ 0xffff)
end
val
end
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#read_i32 ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 171
def read_i32
dat = trans.read_all(4)
val, = dat.unpack('N')
if (val > 0x7fffffff)
val = 0 - ((val - 1) ^ 0xffffffff)
end
val
end
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#read_i64 ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 180
def read_i64
dat = trans.read_all(8)
hi, lo = dat.unpack('N2')
if (hi > 0x7fffffff)
hi ^= 0xffffffff
lo ^= 0xffffffff
0 - (hi << 32) - lo - 1
else
(hi << 32) + lo
end
end
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#read_list_begin ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 136
def read_list_begin
etype = read_byte
size = read_i32
[etype, size]
end
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#read_map_begin ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 129
def read_map_begin
ktype = read_byte
vtype = read_byte
size = read_i32
[ktype, vtype, size]
end
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#read_message_begin ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 98
def read_message_begin
version = read_i32
if version < 0
if (version & VERSION_MASK != VERSION_1)
raise ProtocolException.new(ProtocolException::BAD_VERSION, 'Missing version identifier')
end
type = version & TYPE_MASK
name = read_string
seqid = read_i32
[name, type, seqid]
else
if strict_read
raise ProtocolException.new(ProtocolException::BAD_VERSION, 'No version identifier, old protocol client?')
end
name = trans.read_all(version)
type = read_byte
seqid = read_i32
[name, type, seqid]
end
end
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#read_set_begin ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 142
def read_set_begin
etype = read_byte
size = read_i32
[etype, size]
end
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#read_string ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 198
def read_string
sz = read_i32
dat = trans.read_all(sz)
dat
end
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#read_struct_begin ⇒ Object
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# File 'lib/thrift/protocol/binary_protocol.rb', line 131
def read_struct_begin; nil; end
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#write_bool(bool) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 66
def write_bool(bool)
write_byte(bool ? 1 : 0)
end
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#write_byte(byte) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 70
def write_byte(byte)
trans.write([byte].pack('c'))
end
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#write_double(dub) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 89
def write_double(dub)
trans.write([dub].pack('G'))
end
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#write_field_begin(name, type, id) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 41
def write_field_begin(name, type, id)
write_byte(type)
write_i16(id)
end
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#write_field_stop ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 46
def write_field_stop
write_byte(Thrift::Types::STOP)
end
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#write_i16(i16) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 74
def write_i16(i16)
trans.write([i16].pack('n'))
end
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#write_i32(i32) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 78
def write_i32(i32)
raise RangeError if i32 < -2**31 || i32 >= 2**31
trans.write([i32].pack('N'))
end
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#write_i64(i64) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 83
def write_i64(i64)
hi = i64 >> 32
lo = i64 & 0xffffffff
trans.write([hi, lo].pack('N2'))
end
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#write_list_begin(etype, size) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 56
def write_list_begin(etype, size)
write_byte(etype)
write_i32(size)
end
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#write_map_begin(ktype, vtype, size) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 50
def write_map_begin(ktype, vtype, size)
write_byte(ktype)
write_byte(vtype)
write_i32(size)
end
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#write_message_begin(name, type, seqid) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 26
def write_message_begin(name, type, seqid)
if strict_write
write_i16(VERSION_1 >> 16)
write_i16(type)
write_string(name)
write_i32(seqid)
else
write_string(name)
write_byte(type)
write_i32(seqid)
end
end
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#write_set_begin(etype, size) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 61
def write_set_begin(etype, size)
write_byte(etype)
write_i32(size)
end
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#write_string(str) ⇒ Object
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# File 'lib/thrift/protocol/binaryprotocol.rb', line 93
def write_string(str)
write_i32(str.length)
trans.write(str)
end
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#write_struct_begin(name) ⇒ Object
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# File 'lib/thrift/protocol/binary_protocol.rb', line 49
def write_struct_begin(name); nil; end
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