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-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TBase.py82
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TBinaryProtocol.py301
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TCompactProtocol.py487
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/THeaderProtocol.py225
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TJSONProtocol.py677
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TMultiplexedProtocol.py39
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TProtocol.py422
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/TProtocolDecorator.py26
-rw-r--r--src/jaegertracing/thrift/lib/py/src/protocol/__init__.py21
9 files changed, 2280 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TBase.py b/src/jaegertracing/thrift/lib/py/src/protocol/TBase.py
new file mode 100644
index 000000000..9ae1b1182
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TBase.py
@@ -0,0 +1,82 @@
+#
+# 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.
+#
+
+from thrift.transport import TTransport
+
+
+class TBase(object):
+ __slots__ = ()
+
+ def __repr__(self):
+ L = ['%s=%r' % (key, getattr(self, key)) for key in self.__slots__]
+ return '%s(%s)' % (self.__class__.__name__, ', '.join(L))
+
+ def __eq__(self, other):
+ if not isinstance(other, self.__class__):
+ return False
+ for attr in self.__slots__:
+ my_val = getattr(self, attr)
+ other_val = getattr(other, attr)
+ if my_val != other_val:
+ return False
+ return True
+
+ def __ne__(self, other):
+ return not (self == other)
+
+ def read(self, iprot):
+ if (iprot._fast_decode is not None and
+ isinstance(iprot.trans, TTransport.CReadableTransport) and
+ self.thrift_spec is not None):
+ iprot._fast_decode(self, iprot, [self.__class__, self.thrift_spec])
+ else:
+ iprot.readStruct(self, self.thrift_spec)
+
+ def write(self, oprot):
+ if (oprot._fast_encode is not None and self.thrift_spec is not None):
+ oprot.trans.write(
+ oprot._fast_encode(self, [self.__class__, self.thrift_spec]))
+ else:
+ oprot.writeStruct(self, self.thrift_spec)
+
+
+class TExceptionBase(TBase, Exception):
+ pass
+
+
+class TFrozenBase(TBase):
+ def __setitem__(self, *args):
+ raise TypeError("Can't modify frozen struct")
+
+ def __delitem__(self, *args):
+ raise TypeError("Can't modify frozen struct")
+
+ def __hash__(self, *args):
+ return hash(self.__class__) ^ hash(self.__slots__)
+
+ @classmethod
+ def read(cls, iprot):
+ if (iprot._fast_decode is not None and
+ isinstance(iprot.trans, TTransport.CReadableTransport) and
+ cls.thrift_spec is not None):
+ self = cls()
+ return iprot._fast_decode(None, iprot,
+ [self.__class__, self.thrift_spec])
+ else:
+ return iprot.readStruct(cls, cls.thrift_spec, True)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TBinaryProtocol.py b/src/jaegertracing/thrift/lib/py/src/protocol/TBinaryProtocol.py
new file mode 100644
index 000000000..6b2facc4f
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TBinaryProtocol.py
@@ -0,0 +1,301 @@
+#
+# 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.
+#
+
+from .TProtocol import TType, TProtocolBase, TProtocolException, TProtocolFactory
+from struct import pack, unpack
+
+
+class TBinaryProtocol(TProtocolBase):
+ """Binary implementation of the Thrift protocol driver."""
+
+ # NastyHaxx. Python 2.4+ on 32-bit machines forces hex constants to be
+ # positive, converting this into a long. If we hardcode the int value
+ # instead it'll stay in 32 bit-land.
+
+ # VERSION_MASK = 0xffff0000
+ VERSION_MASK = -65536
+
+ # VERSION_1 = 0x80010000
+ VERSION_1 = -2147418112
+
+ TYPE_MASK = 0x000000ff
+
+ def __init__(self, trans, strictRead=False, strictWrite=True, **kwargs):
+ TProtocolBase.__init__(self, trans)
+ self.strictRead = strictRead
+ self.strictWrite = strictWrite
+ self.string_length_limit = kwargs.get('string_length_limit', None)
+ self.container_length_limit = kwargs.get('container_length_limit', None)
+
+ def _check_string_length(self, length):
+ self._check_length(self.string_length_limit, length)
+
+ def _check_container_length(self, length):
+ self._check_length(self.container_length_limit, length)
+
+ def writeMessageBegin(self, name, type, seqid):
+ if self.strictWrite:
+ self.writeI32(TBinaryProtocol.VERSION_1 | type)
+ self.writeString(name)
+ self.writeI32(seqid)
+ else:
+ self.writeString(name)
+ self.writeByte(type)
+ self.writeI32(seqid)
+
+ def writeMessageEnd(self):
+ pass
+
+ def writeStructBegin(self, name):
+ pass
+
+ def writeStructEnd(self):
+ pass
+
+ def writeFieldBegin(self, name, type, id):
+ self.writeByte(type)
+ self.writeI16(id)
+
+ def writeFieldEnd(self):
+ pass
+
+ def writeFieldStop(self):
+ self.writeByte(TType.STOP)
+
+ def writeMapBegin(self, ktype, vtype, size):
+ self.writeByte(ktype)
+ self.writeByte(vtype)
+ self.writeI32(size)
+
+ def writeMapEnd(self):
+ pass
+
+ def writeListBegin(self, etype, size):
+ self.writeByte(etype)
+ self.writeI32(size)
+
+ def writeListEnd(self):
+ pass
+
+ def writeSetBegin(self, etype, size):
+ self.writeByte(etype)
+ self.writeI32(size)
+
+ def writeSetEnd(self):
+ pass
+
+ def writeBool(self, bool):
+ if bool:
+ self.writeByte(1)
+ else:
+ self.writeByte(0)
+
+ def writeByte(self, byte):
+ buff = pack("!b", byte)
+ self.trans.write(buff)
+
+ def writeI16(self, i16):
+ buff = pack("!h", i16)
+ self.trans.write(buff)
+
+ def writeI32(self, i32):
+ buff = pack("!i", i32)
+ self.trans.write(buff)
+
+ def writeI64(self, i64):
+ buff = pack("!q", i64)
+ self.trans.write(buff)
+
+ def writeDouble(self, dub):
+ buff = pack("!d", dub)
+ self.trans.write(buff)
+
+ def writeBinary(self, str):
+ self.writeI32(len(str))
+ self.trans.write(str)
+
+ def readMessageBegin(self):
+ sz = self.readI32()
+ if sz < 0:
+ version = sz & TBinaryProtocol.VERSION_MASK
+ if version != TBinaryProtocol.VERSION_1:
+ raise TProtocolException(
+ type=TProtocolException.BAD_VERSION,
+ message='Bad version in readMessageBegin: %d' % (sz))
+ type = sz & TBinaryProtocol.TYPE_MASK
+ name = self.readString()
+ seqid = self.readI32()
+ else:
+ if self.strictRead:
+ raise TProtocolException(type=TProtocolException.BAD_VERSION,
+ message='No protocol version header')
+ name = self.trans.readAll(sz)
+ type = self.readByte()
+ seqid = self.readI32()
+ return (name, type, seqid)
+
+ def readMessageEnd(self):
+ pass
+
+ def readStructBegin(self):
+ pass
+
+ def readStructEnd(self):
+ pass
+
+ def readFieldBegin(self):
+ type = self.readByte()
+ if type == TType.STOP:
+ return (None, type, 0)
+ id = self.readI16()
+ return (None, type, id)
+
+ def readFieldEnd(self):
+ pass
+
+ def readMapBegin(self):
+ ktype = self.readByte()
+ vtype = self.readByte()
+ size = self.readI32()
+ self._check_container_length(size)
+ return (ktype, vtype, size)
+
+ def readMapEnd(self):
+ pass
+
+ def readListBegin(self):
+ etype = self.readByte()
+ size = self.readI32()
+ self._check_container_length(size)
+ return (etype, size)
+
+ def readListEnd(self):
+ pass
+
+ def readSetBegin(self):
+ etype = self.readByte()
+ size = self.readI32()
+ self._check_container_length(size)
+ return (etype, size)
+
+ def readSetEnd(self):
+ pass
+
+ def readBool(self):
+ byte = self.readByte()
+ if byte == 0:
+ return False
+ return True
+
+ def readByte(self):
+ buff = self.trans.readAll(1)
+ val, = unpack('!b', buff)
+ return val
+
+ def readI16(self):
+ buff = self.trans.readAll(2)
+ val, = unpack('!h', buff)
+ return val
+
+ def readI32(self):
+ buff = self.trans.readAll(4)
+ val, = unpack('!i', buff)
+ return val
+
+ def readI64(self):
+ buff = self.trans.readAll(8)
+ val, = unpack('!q', buff)
+ return val
+
+ def readDouble(self):
+ buff = self.trans.readAll(8)
+ val, = unpack('!d', buff)
+ return val
+
+ def readBinary(self):
+ size = self.readI32()
+ self._check_string_length(size)
+ s = self.trans.readAll(size)
+ return s
+
+
+class TBinaryProtocolFactory(TProtocolFactory):
+ def __init__(self, strictRead=False, strictWrite=True, **kwargs):
+ self.strictRead = strictRead
+ self.strictWrite = strictWrite
+ self.string_length_limit = kwargs.get('string_length_limit', None)
+ self.container_length_limit = kwargs.get('container_length_limit', None)
+
+ def getProtocol(self, trans):
+ prot = TBinaryProtocol(trans, self.strictRead, self.strictWrite,
+ string_length_limit=self.string_length_limit,
+ container_length_limit=self.container_length_limit)
+ return prot
+
+
+class TBinaryProtocolAccelerated(TBinaryProtocol):
+ """C-Accelerated version of TBinaryProtocol.
+
+ This class does not override any of TBinaryProtocol's methods,
+ but the generated code recognizes it directly and will call into
+ our C module to do the encoding, bypassing this object entirely.
+ We inherit from TBinaryProtocol so that the normal TBinaryProtocol
+ encoding can happen if the fastbinary module doesn't work for some
+ reason. (TODO(dreiss): Make this happen sanely in more cases.)
+ To disable this behavior, pass fallback=False constructor argument.
+
+ In order to take advantage of the C module, just use
+ TBinaryProtocolAccelerated instead of TBinaryProtocol.
+
+ NOTE: This code was contributed by an external developer.
+ The internal Thrift team has reviewed and tested it,
+ but we cannot guarantee that it is production-ready.
+ Please feel free to report bugs and/or success stories
+ to the public mailing list.
+ """
+ pass
+
+ def __init__(self, *args, **kwargs):
+ fallback = kwargs.pop('fallback', True)
+ super(TBinaryProtocolAccelerated, self).__init__(*args, **kwargs)
+ try:
+ from thrift.protocol import fastbinary
+ except ImportError:
+ if not fallback:
+ raise
+ else:
+ self._fast_decode = fastbinary.decode_binary
+ self._fast_encode = fastbinary.encode_binary
+
+
+class TBinaryProtocolAcceleratedFactory(TProtocolFactory):
+ def __init__(self,
+ string_length_limit=None,
+ container_length_limit=None,
+ fallback=True):
+ self.string_length_limit = string_length_limit
+ self.container_length_limit = container_length_limit
+ self._fallback = fallback
+
+ def getProtocol(self, trans):
+ return TBinaryProtocolAccelerated(
+ trans,
+ string_length_limit=self.string_length_limit,
+ container_length_limit=self.container_length_limit,
+ fallback=self._fallback)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TCompactProtocol.py b/src/jaegertracing/thrift/lib/py/src/protocol/TCompactProtocol.py
new file mode 100644
index 000000000..700e792f7
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TCompactProtocol.py
@@ -0,0 +1,487 @@
+#
+# 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.
+#
+
+from .TProtocol import TType, TProtocolBase, TProtocolException, TProtocolFactory, checkIntegerLimits
+from struct import pack, unpack
+
+from ..compat import binary_to_str, str_to_binary
+
+__all__ = ['TCompactProtocol', 'TCompactProtocolFactory']
+
+CLEAR = 0
+FIELD_WRITE = 1
+VALUE_WRITE = 2
+CONTAINER_WRITE = 3
+BOOL_WRITE = 4
+FIELD_READ = 5
+CONTAINER_READ = 6
+VALUE_READ = 7
+BOOL_READ = 8
+
+
+def make_helper(v_from, container):
+ def helper(func):
+ def nested(self, *args, **kwargs):
+ assert self.state in (v_from, container), (self.state, v_from, container)
+ return func(self, *args, **kwargs)
+ return nested
+ return helper
+
+
+writer = make_helper(VALUE_WRITE, CONTAINER_WRITE)
+reader = make_helper(VALUE_READ, CONTAINER_READ)
+
+
+def makeZigZag(n, bits):
+ checkIntegerLimits(n, bits)
+ return (n << 1) ^ (n >> (bits - 1))
+
+
+def fromZigZag(n):
+ return (n >> 1) ^ -(n & 1)
+
+
+def writeVarint(trans, n):
+ assert n >= 0, "Input to TCompactProtocol writeVarint cannot be negative!"
+ out = bytearray()
+ while True:
+ if n & ~0x7f == 0:
+ out.append(n)
+ break
+ else:
+ out.append((n & 0xff) | 0x80)
+ n = n >> 7
+ trans.write(bytes(out))
+
+
+def readVarint(trans):
+ result = 0
+ shift = 0
+ while True:
+ x = trans.readAll(1)
+ byte = ord(x)
+ result |= (byte & 0x7f) << shift
+ if byte >> 7 == 0:
+ return result
+ shift += 7
+
+
+class CompactType(object):
+ STOP = 0x00
+ TRUE = 0x01
+ FALSE = 0x02
+ BYTE = 0x03
+ I16 = 0x04
+ I32 = 0x05
+ I64 = 0x06
+ DOUBLE = 0x07
+ BINARY = 0x08
+ LIST = 0x09
+ SET = 0x0A
+ MAP = 0x0B
+ STRUCT = 0x0C
+
+
+CTYPES = {
+ TType.STOP: CompactType.STOP,
+ TType.BOOL: CompactType.TRUE, # used for collection
+ TType.BYTE: CompactType.BYTE,
+ TType.I16: CompactType.I16,
+ TType.I32: CompactType.I32,
+ TType.I64: CompactType.I64,
+ TType.DOUBLE: CompactType.DOUBLE,
+ TType.STRING: CompactType.BINARY,
+ TType.STRUCT: CompactType.STRUCT,
+ TType.LIST: CompactType.LIST,
+ TType.SET: CompactType.SET,
+ TType.MAP: CompactType.MAP,
+}
+
+TTYPES = {}
+for k, v in CTYPES.items():
+ TTYPES[v] = k
+TTYPES[CompactType.FALSE] = TType.BOOL
+del k
+del v
+
+
+class TCompactProtocol(TProtocolBase):
+ """Compact implementation of the Thrift protocol driver."""
+
+ PROTOCOL_ID = 0x82
+ VERSION = 1
+ VERSION_MASK = 0x1f
+ TYPE_MASK = 0xe0
+ TYPE_BITS = 0x07
+ TYPE_SHIFT_AMOUNT = 5
+
+ def __init__(self, trans,
+ string_length_limit=None,
+ container_length_limit=None):
+ TProtocolBase.__init__(self, trans)
+ self.state = CLEAR
+ self.__last_fid = 0
+ self.__bool_fid = None
+ self.__bool_value = None
+ self.__structs = []
+ self.__containers = []
+ self.string_length_limit = string_length_limit
+ self.container_length_limit = container_length_limit
+
+ def _check_string_length(self, length):
+ self._check_length(self.string_length_limit, length)
+
+ def _check_container_length(self, length):
+ self._check_length(self.container_length_limit, length)
+
+ def __writeVarint(self, n):
+ writeVarint(self.trans, n)
+
+ def writeMessageBegin(self, name, type, seqid):
+ assert self.state == CLEAR
+ self.__writeUByte(self.PROTOCOL_ID)
+ self.__writeUByte(self.VERSION | (type << self.TYPE_SHIFT_AMOUNT))
+ # The sequence id is a signed 32-bit integer but the compact protocol
+ # writes this out as a "var int" which is always positive, and attempting
+ # to write a negative number results in an infinite loop, so we may
+ # need to do some conversion here...
+ tseqid = seqid
+ if tseqid < 0:
+ tseqid = 2147483648 + (2147483648 + tseqid)
+ self.__writeVarint(tseqid)
+ self.__writeBinary(str_to_binary(name))
+ self.state = VALUE_WRITE
+
+ def writeMessageEnd(self):
+ assert self.state == VALUE_WRITE
+ self.state = CLEAR
+
+ def writeStructBegin(self, name):
+ assert self.state in (CLEAR, CONTAINER_WRITE, VALUE_WRITE), self.state
+ self.__structs.append((self.state, self.__last_fid))
+ self.state = FIELD_WRITE
+ self.__last_fid = 0
+
+ def writeStructEnd(self):
+ assert self.state == FIELD_WRITE
+ self.state, self.__last_fid = self.__structs.pop()
+
+ def writeFieldStop(self):
+ self.__writeByte(0)
+
+ def __writeFieldHeader(self, type, fid):
+ delta = fid - self.__last_fid
+ if 0 < delta <= 15:
+ self.__writeUByte(delta << 4 | type)
+ else:
+ self.__writeByte(type)
+ self.__writeI16(fid)
+ self.__last_fid = fid
+
+ def writeFieldBegin(self, name, type, fid):
+ assert self.state == FIELD_WRITE, self.state
+ if type == TType.BOOL:
+ self.state = BOOL_WRITE
+ self.__bool_fid = fid
+ else:
+ self.state = VALUE_WRITE
+ self.__writeFieldHeader(CTYPES[type], fid)
+
+ def writeFieldEnd(self):
+ assert self.state in (VALUE_WRITE, BOOL_WRITE), self.state
+ self.state = FIELD_WRITE
+
+ def __writeUByte(self, byte):
+ self.trans.write(pack('!B', byte))
+
+ def __writeByte(self, byte):
+ self.trans.write(pack('!b', byte))
+
+ def __writeI16(self, i16):
+ self.__writeVarint(makeZigZag(i16, 16))
+
+ def __writeSize(self, i32):
+ self.__writeVarint(i32)
+
+ def writeCollectionBegin(self, etype, size):
+ assert self.state in (VALUE_WRITE, CONTAINER_WRITE), self.state
+ if size <= 14:
+ self.__writeUByte(size << 4 | CTYPES[etype])
+ else:
+ self.__writeUByte(0xf0 | CTYPES[etype])
+ self.__writeSize(size)
+ self.__containers.append(self.state)
+ self.state = CONTAINER_WRITE
+ writeSetBegin = writeCollectionBegin
+ writeListBegin = writeCollectionBegin
+
+ def writeMapBegin(self, ktype, vtype, size):
+ assert self.state in (VALUE_WRITE, CONTAINER_WRITE), self.state
+ if size == 0:
+ self.__writeByte(0)
+ else:
+ self.__writeSize(size)
+ self.__writeUByte(CTYPES[ktype] << 4 | CTYPES[vtype])
+ self.__containers.append(self.state)
+ self.state = CONTAINER_WRITE
+
+ def writeCollectionEnd(self):
+ assert self.state == CONTAINER_WRITE, self.state
+ self.state = self.__containers.pop()
+ writeMapEnd = writeCollectionEnd
+ writeSetEnd = writeCollectionEnd
+ writeListEnd = writeCollectionEnd
+
+ def writeBool(self, bool):
+ if self.state == BOOL_WRITE:
+ if bool:
+ ctype = CompactType.TRUE
+ else:
+ ctype = CompactType.FALSE
+ self.__writeFieldHeader(ctype, self.__bool_fid)
+ elif self.state == CONTAINER_WRITE:
+ if bool:
+ self.__writeByte(CompactType.TRUE)
+ else:
+ self.__writeByte(CompactType.FALSE)
+ else:
+ raise AssertionError("Invalid state in compact protocol")
+
+ writeByte = writer(__writeByte)
+ writeI16 = writer(__writeI16)
+
+ @writer
+ def writeI32(self, i32):
+ self.__writeVarint(makeZigZag(i32, 32))
+
+ @writer
+ def writeI64(self, i64):
+ self.__writeVarint(makeZigZag(i64, 64))
+
+ @writer
+ def writeDouble(self, dub):
+ self.trans.write(pack('<d', dub))
+
+ def __writeBinary(self, s):
+ self.__writeSize(len(s))
+ self.trans.write(s)
+ writeBinary = writer(__writeBinary)
+
+ def readFieldBegin(self):
+ assert self.state == FIELD_READ, self.state
+ type = self.__readUByte()
+ if type & 0x0f == TType.STOP:
+ return (None, 0, 0)
+ delta = type >> 4
+ if delta == 0:
+ fid = self.__readI16()
+ else:
+ fid = self.__last_fid + delta
+ self.__last_fid = fid
+ type = type & 0x0f
+ if type == CompactType.TRUE:
+ self.state = BOOL_READ
+ self.__bool_value = True
+ elif type == CompactType.FALSE:
+ self.state = BOOL_READ
+ self.__bool_value = False
+ else:
+ self.state = VALUE_READ
+ return (None, self.__getTType(type), fid)
+
+ def readFieldEnd(self):
+ assert self.state in (VALUE_READ, BOOL_READ), self.state
+ self.state = FIELD_READ
+
+ def __readUByte(self):
+ result, = unpack('!B', self.trans.readAll(1))
+ return result
+
+ def __readByte(self):
+ result, = unpack('!b', self.trans.readAll(1))
+ return result
+
+ def __readVarint(self):
+ return readVarint(self.trans)
+
+ def __readZigZag(self):
+ return fromZigZag(self.__readVarint())
+
+ def __readSize(self):
+ result = self.__readVarint()
+ if result < 0:
+ raise TProtocolException("Length < 0")
+ return result
+
+ def readMessageBegin(self):
+ assert self.state == CLEAR
+ proto_id = self.__readUByte()
+ if proto_id != self.PROTOCOL_ID:
+ raise TProtocolException(TProtocolException.BAD_VERSION,
+ 'Bad protocol id in the message: %d' % proto_id)
+ ver_type = self.__readUByte()
+ type = (ver_type >> self.TYPE_SHIFT_AMOUNT) & self.TYPE_BITS
+ version = ver_type & self.VERSION_MASK
+ if version != self.VERSION:
+ raise TProtocolException(TProtocolException.BAD_VERSION,
+ 'Bad version: %d (expect %d)' % (version, self.VERSION))
+ seqid = self.__readVarint()
+ # the sequence is a compact "var int" which is treaded as unsigned,
+ # however the sequence is actually signed...
+ if seqid > 2147483647:
+ seqid = -2147483648 - (2147483648 - seqid)
+ name = binary_to_str(self.__readBinary())
+ return (name, type, seqid)
+
+ def readMessageEnd(self):
+ assert self.state == CLEAR
+ assert len(self.__structs) == 0
+
+ def readStructBegin(self):
+ assert self.state in (CLEAR, CONTAINER_READ, VALUE_READ), self.state
+ self.__structs.append((self.state, self.__last_fid))
+ self.state = FIELD_READ
+ self.__last_fid = 0
+
+ def readStructEnd(self):
+ assert self.state == FIELD_READ
+ self.state, self.__last_fid = self.__structs.pop()
+
+ def readCollectionBegin(self):
+ assert self.state in (VALUE_READ, CONTAINER_READ), self.state
+ size_type = self.__readUByte()
+ size = size_type >> 4
+ type = self.__getTType(size_type)
+ if size == 15:
+ size = self.__readSize()
+ self._check_container_length(size)
+ self.__containers.append(self.state)
+ self.state = CONTAINER_READ
+ return type, size
+ readSetBegin = readCollectionBegin
+ readListBegin = readCollectionBegin
+
+ def readMapBegin(self):
+ assert self.state in (VALUE_READ, CONTAINER_READ), self.state
+ size = self.__readSize()
+ self._check_container_length(size)
+ types = 0
+ if size > 0:
+ types = self.__readUByte()
+ vtype = self.__getTType(types)
+ ktype = self.__getTType(types >> 4)
+ self.__containers.append(self.state)
+ self.state = CONTAINER_READ
+ return (ktype, vtype, size)
+
+ def readCollectionEnd(self):
+ assert self.state == CONTAINER_READ, self.state
+ self.state = self.__containers.pop()
+ readSetEnd = readCollectionEnd
+ readListEnd = readCollectionEnd
+ readMapEnd = readCollectionEnd
+
+ def readBool(self):
+ if self.state == BOOL_READ:
+ return self.__bool_value == CompactType.TRUE
+ elif self.state == CONTAINER_READ:
+ return self.__readByte() == CompactType.TRUE
+ else:
+ raise AssertionError("Invalid state in compact protocol: %d" %
+ self.state)
+
+ readByte = reader(__readByte)
+ __readI16 = __readZigZag
+ readI16 = reader(__readZigZag)
+ readI32 = reader(__readZigZag)
+ readI64 = reader(__readZigZag)
+
+ @reader
+ def readDouble(self):
+ buff = self.trans.readAll(8)
+ val, = unpack('<d', buff)
+ return val
+
+ def __readBinary(self):
+ size = self.__readSize()
+ self._check_string_length(size)
+ return self.trans.readAll(size)
+ readBinary = reader(__readBinary)
+
+ def __getTType(self, byte):
+ return TTYPES[byte & 0x0f]
+
+
+class TCompactProtocolFactory(TProtocolFactory):
+ def __init__(self,
+ string_length_limit=None,
+ container_length_limit=None):
+ self.string_length_limit = string_length_limit
+ self.container_length_limit = container_length_limit
+
+ def getProtocol(self, trans):
+ return TCompactProtocol(trans,
+ self.string_length_limit,
+ self.container_length_limit)
+
+
+class TCompactProtocolAccelerated(TCompactProtocol):
+ """C-Accelerated version of TCompactProtocol.
+
+ This class does not override any of TCompactProtocol's methods,
+ but the generated code recognizes it directly and will call into
+ our C module to do the encoding, bypassing this object entirely.
+ We inherit from TCompactProtocol so that the normal TCompactProtocol
+ encoding can happen if the fastbinary module doesn't work for some
+ reason.
+ To disable this behavior, pass fallback=False constructor argument.
+
+ In order to take advantage of the C module, just use
+ TCompactProtocolAccelerated instead of TCompactProtocol.
+ """
+ pass
+
+ def __init__(self, *args, **kwargs):
+ fallback = kwargs.pop('fallback', True)
+ super(TCompactProtocolAccelerated, self).__init__(*args, **kwargs)
+ try:
+ from thrift.protocol import fastbinary
+ except ImportError:
+ if not fallback:
+ raise
+ else:
+ self._fast_decode = fastbinary.decode_compact
+ self._fast_encode = fastbinary.encode_compact
+
+
+class TCompactProtocolAcceleratedFactory(TProtocolFactory):
+ def __init__(self,
+ string_length_limit=None,
+ container_length_limit=None,
+ fallback=True):
+ self.string_length_limit = string_length_limit
+ self.container_length_limit = container_length_limit
+ self._fallback = fallback
+
+ def getProtocol(self, trans):
+ return TCompactProtocolAccelerated(
+ trans,
+ string_length_limit=self.string_length_limit,
+ container_length_limit=self.container_length_limit,
+ fallback=self._fallback)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/THeaderProtocol.py b/src/jaegertracing/thrift/lib/py/src/protocol/THeaderProtocol.py
new file mode 100644
index 000000000..13982e898
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/THeaderProtocol.py
@@ -0,0 +1,225 @@
+#
+# 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.
+#
+
+from thrift.protocol.TBinaryProtocol import TBinaryProtocolAccelerated
+from thrift.protocol.TCompactProtocol import TCompactProtocolAccelerated
+from thrift.protocol.TProtocol import TProtocolBase, TProtocolException, TProtocolFactory
+from thrift.Thrift import TApplicationException, TMessageType
+from thrift.transport.THeaderTransport import THeaderTransport, THeaderSubprotocolID, THeaderClientType
+
+
+PROTOCOLS_BY_ID = {
+ THeaderSubprotocolID.BINARY: TBinaryProtocolAccelerated,
+ THeaderSubprotocolID.COMPACT: TCompactProtocolAccelerated,
+}
+
+
+class THeaderProtocol(TProtocolBase):
+ """A framed protocol with headers and payload transforms.
+
+ THeaderProtocol frames other Thrift protocols and adds support for optional
+ out-of-band headers. The currently supported subprotocols are
+ TBinaryProtocol and TCompactProtocol.
+
+ It's also possible to apply transforms to the encoded message payload. The
+ only transform currently supported is to gzip.
+
+ When used in a server, THeaderProtocol can accept messages from
+ non-THeaderProtocol clients if allowed (see `allowed_client_types`). This
+ includes framed and unframed transports and both TBinaryProtocol and
+ TCompactProtocol. The server will respond in the appropriate dialect for
+ the connected client. HTTP clients are not currently supported.
+
+ THeaderProtocol does not currently support THTTPServer, TNonblockingServer,
+ or TProcessPoolServer.
+
+ See doc/specs/HeaderFormat.md for details of the wire format.
+
+ """
+
+ def __init__(self, transport, allowed_client_types):
+ # much of the actual work for THeaderProtocol happens down in
+ # THeaderTransport since we need to do low-level shenanigans to detect
+ # if the client is sending us headers or one of the headerless formats
+ # we support. this wraps the real transport with the one that does all
+ # the magic.
+ if not isinstance(transport, THeaderTransport):
+ transport = THeaderTransport(transport, allowed_client_types)
+ super(THeaderProtocol, self).__init__(transport)
+ self._set_protocol()
+
+ def get_headers(self):
+ return self.trans.get_headers()
+
+ def set_header(self, key, value):
+ self.trans.set_header(key, value)
+
+ def clear_headers(self):
+ self.trans.clear_headers()
+
+ def add_transform(self, transform_id):
+ self.trans.add_transform(transform_id)
+
+ def writeMessageBegin(self, name, ttype, seqid):
+ self.trans.sequence_id = seqid
+ return self._protocol.writeMessageBegin(name, ttype, seqid)
+
+ def writeMessageEnd(self):
+ return self._protocol.writeMessageEnd()
+
+ def writeStructBegin(self, name):
+ return self._protocol.writeStructBegin(name)
+
+ def writeStructEnd(self):
+ return self._protocol.writeStructEnd()
+
+ def writeFieldBegin(self, name, ttype, fid):
+ return self._protocol.writeFieldBegin(name, ttype, fid)
+
+ def writeFieldEnd(self):
+ return self._protocol.writeFieldEnd()
+
+ def writeFieldStop(self):
+ return self._protocol.writeFieldStop()
+
+ def writeMapBegin(self, ktype, vtype, size):
+ return self._protocol.writeMapBegin(ktype, vtype, size)
+
+ def writeMapEnd(self):
+ return self._protocol.writeMapEnd()
+
+ def writeListBegin(self, etype, size):
+ return self._protocol.writeListBegin(etype, size)
+
+ def writeListEnd(self):
+ return self._protocol.writeListEnd()
+
+ def writeSetBegin(self, etype, size):
+ return self._protocol.writeSetBegin(etype, size)
+
+ def writeSetEnd(self):
+ return self._protocol.writeSetEnd()
+
+ def writeBool(self, bool_val):
+ return self._protocol.writeBool(bool_val)
+
+ def writeByte(self, byte):
+ return self._protocol.writeByte(byte)
+
+ def writeI16(self, i16):
+ return self._protocol.writeI16(i16)
+
+ def writeI32(self, i32):
+ return self._protocol.writeI32(i32)
+
+ def writeI64(self, i64):
+ return self._protocol.writeI64(i64)
+
+ def writeDouble(self, dub):
+ return self._protocol.writeDouble(dub)
+
+ def writeBinary(self, str_val):
+ return self._protocol.writeBinary(str_val)
+
+ def _set_protocol(self):
+ try:
+ protocol_cls = PROTOCOLS_BY_ID[self.trans.protocol_id]
+ except KeyError:
+ raise TApplicationException(
+ TProtocolException.INVALID_PROTOCOL,
+ "Unknown protocol requested.",
+ )
+
+ self._protocol = protocol_cls(self.trans)
+ self._fast_encode = self._protocol._fast_encode
+ self._fast_decode = self._protocol._fast_decode
+
+ def readMessageBegin(self):
+ try:
+ self.trans.readFrame(0)
+ self._set_protocol()
+ except TApplicationException as exc:
+ self._protocol.writeMessageBegin(b"", TMessageType.EXCEPTION, 0)
+ exc.write(self._protocol)
+ self._protocol.writeMessageEnd()
+ self.trans.flush()
+
+ return self._protocol.readMessageBegin()
+
+ def readMessageEnd(self):
+ return self._protocol.readMessageEnd()
+
+ def readStructBegin(self):
+ return self._protocol.readStructBegin()
+
+ def readStructEnd(self):
+ return self._protocol.readStructEnd()
+
+ def readFieldBegin(self):
+ return self._protocol.readFieldBegin()
+
+ def readFieldEnd(self):
+ return self._protocol.readFieldEnd()
+
+ def readMapBegin(self):
+ return self._protocol.readMapBegin()
+
+ def readMapEnd(self):
+ return self._protocol.readMapEnd()
+
+ def readListBegin(self):
+ return self._protocol.readListBegin()
+
+ def readListEnd(self):
+ return self._protocol.readListEnd()
+
+ def readSetBegin(self):
+ return self._protocol.readSetBegin()
+
+ def readSetEnd(self):
+ return self._protocol.readSetEnd()
+
+ def readBool(self):
+ return self._protocol.readBool()
+
+ def readByte(self):
+ return self._protocol.readByte()
+
+ def readI16(self):
+ return self._protocol.readI16()
+
+ def readI32(self):
+ return self._protocol.readI32()
+
+ def readI64(self):
+ return self._protocol.readI64()
+
+ def readDouble(self):
+ return self._protocol.readDouble()
+
+ def readBinary(self):
+ return self._protocol.readBinary()
+
+
+class THeaderProtocolFactory(TProtocolFactory):
+ def __init__(self, allowed_client_types=(THeaderClientType.HEADERS,)):
+ self.allowed_client_types = allowed_client_types
+
+ def getProtocol(self, trans):
+ return THeaderProtocol(trans, self.allowed_client_types)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TJSONProtocol.py b/src/jaegertracing/thrift/lib/py/src/protocol/TJSONProtocol.py
new file mode 100644
index 000000000..17417027a
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TJSONProtocol.py
@@ -0,0 +1,677 @@
+#
+# 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.
+#
+
+from .TProtocol import (TType, TProtocolBase, TProtocolException,
+ TProtocolFactory, checkIntegerLimits)
+import base64
+import math
+import sys
+
+from ..compat import str_to_binary
+
+
+__all__ = ['TJSONProtocol',
+ 'TJSONProtocolFactory',
+ 'TSimpleJSONProtocol',
+ 'TSimpleJSONProtocolFactory']
+
+VERSION = 1
+
+COMMA = b','
+COLON = b':'
+LBRACE = b'{'
+RBRACE = b'}'
+LBRACKET = b'['
+RBRACKET = b']'
+QUOTE = b'"'
+BACKSLASH = b'\\'
+ZERO = b'0'
+
+ESCSEQ0 = ord('\\')
+ESCSEQ1 = ord('u')
+ESCAPE_CHAR_VALS = {
+ '"': '\\"',
+ '\\': '\\\\',
+ '\b': '\\b',
+ '\f': '\\f',
+ '\n': '\\n',
+ '\r': '\\r',
+ '\t': '\\t',
+ # '/': '\\/',
+}
+ESCAPE_CHARS = {
+ b'"': '"',
+ b'\\': '\\',
+ b'b': '\b',
+ b'f': '\f',
+ b'n': '\n',
+ b'r': '\r',
+ b't': '\t',
+ b'/': '/',
+}
+NUMERIC_CHAR = b'+-.0123456789Ee'
+
+CTYPES = {
+ TType.BOOL: 'tf',
+ TType.BYTE: 'i8',
+ TType.I16: 'i16',
+ TType.I32: 'i32',
+ TType.I64: 'i64',
+ TType.DOUBLE: 'dbl',
+ TType.STRING: 'str',
+ TType.STRUCT: 'rec',
+ TType.LIST: 'lst',
+ TType.SET: 'set',
+ TType.MAP: 'map',
+}
+
+JTYPES = {}
+for key in CTYPES.keys():
+ JTYPES[CTYPES[key]] = key
+
+
+class JSONBaseContext(object):
+
+ def __init__(self, protocol):
+ self.protocol = protocol
+ self.first = True
+
+ def doIO(self, function):
+ pass
+
+ def write(self):
+ pass
+
+ def read(self):
+ pass
+
+ def escapeNum(self):
+ return False
+
+ def __str__(self):
+ return self.__class__.__name__
+
+
+class JSONListContext(JSONBaseContext):
+
+ def doIO(self, function):
+ if self.first is True:
+ self.first = False
+ else:
+ function(COMMA)
+
+ def write(self):
+ self.doIO(self.protocol.trans.write)
+
+ def read(self):
+ self.doIO(self.protocol.readJSONSyntaxChar)
+
+
+class JSONPairContext(JSONBaseContext):
+
+ def __init__(self, protocol):
+ super(JSONPairContext, self).__init__(protocol)
+ self.colon = True
+
+ def doIO(self, function):
+ if self.first:
+ self.first = False
+ self.colon = True
+ else:
+ function(COLON if self.colon else COMMA)
+ self.colon = not self.colon
+
+ def write(self):
+ self.doIO(self.protocol.trans.write)
+
+ def read(self):
+ self.doIO(self.protocol.readJSONSyntaxChar)
+
+ def escapeNum(self):
+ return self.colon
+
+ def __str__(self):
+ return '%s, colon=%s' % (self.__class__.__name__, self.colon)
+
+
+class LookaheadReader():
+ hasData = False
+ data = ''
+
+ def __init__(self, protocol):
+ self.protocol = protocol
+
+ def read(self):
+ if self.hasData is True:
+ self.hasData = False
+ else:
+ self.data = self.protocol.trans.read(1)
+ return self.data
+
+ def peek(self):
+ if self.hasData is False:
+ self.data = self.protocol.trans.read(1)
+ self.hasData = True
+ return self.data
+
+
+class TJSONProtocolBase(TProtocolBase):
+
+ def __init__(self, trans):
+ TProtocolBase.__init__(self, trans)
+ self.resetWriteContext()
+ self.resetReadContext()
+
+ # We don't have length limit implementation for JSON protocols
+ @property
+ def string_length_limit(senf):
+ return None
+
+ @property
+ def container_length_limit(senf):
+ return None
+
+ def resetWriteContext(self):
+ self.context = JSONBaseContext(self)
+ self.contextStack = [self.context]
+
+ def resetReadContext(self):
+ self.resetWriteContext()
+ self.reader = LookaheadReader(self)
+
+ def pushContext(self, ctx):
+ self.contextStack.append(ctx)
+ self.context = ctx
+
+ def popContext(self):
+ self.contextStack.pop()
+ if self.contextStack:
+ self.context = self.contextStack[-1]
+ else:
+ self.context = JSONBaseContext(self)
+
+ def writeJSONString(self, string):
+ self.context.write()
+ json_str = ['"']
+ for s in string:
+ escaped = ESCAPE_CHAR_VALS.get(s, s)
+ json_str.append(escaped)
+ json_str.append('"')
+ self.trans.write(str_to_binary(''.join(json_str)))
+
+ def writeJSONNumber(self, number, formatter='{0}'):
+ self.context.write()
+ jsNumber = str(formatter.format(number)).encode('ascii')
+ if self.context.escapeNum():
+ self.trans.write(QUOTE)
+ self.trans.write(jsNumber)
+ self.trans.write(QUOTE)
+ else:
+ self.trans.write(jsNumber)
+
+ def writeJSONBase64(self, binary):
+ self.context.write()
+ self.trans.write(QUOTE)
+ self.trans.write(base64.b64encode(binary))
+ self.trans.write(QUOTE)
+
+ def writeJSONObjectStart(self):
+ self.context.write()
+ self.trans.write(LBRACE)
+ self.pushContext(JSONPairContext(self))
+
+ def writeJSONObjectEnd(self):
+ self.popContext()
+ self.trans.write(RBRACE)
+
+ def writeJSONArrayStart(self):
+ self.context.write()
+ self.trans.write(LBRACKET)
+ self.pushContext(JSONListContext(self))
+
+ def writeJSONArrayEnd(self):
+ self.popContext()
+ self.trans.write(RBRACKET)
+
+ def readJSONSyntaxChar(self, character):
+ current = self.reader.read()
+ if character != current:
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "Unexpected character: %s" % current)
+
+ def _isHighSurrogate(self, codeunit):
+ return codeunit >= 0xd800 and codeunit <= 0xdbff
+
+ def _isLowSurrogate(self, codeunit):
+ return codeunit >= 0xdc00 and codeunit <= 0xdfff
+
+ def _toChar(self, high, low=None):
+ if not low:
+ if sys.version_info[0] == 2:
+ return ("\\u%04x" % high).decode('unicode-escape') \
+ .encode('utf-8')
+ else:
+ return chr(high)
+ else:
+ codepoint = (1 << 16) + ((high & 0x3ff) << 10)
+ codepoint += low & 0x3ff
+ if sys.version_info[0] == 2:
+ s = "\\U%08x" % codepoint
+ return s.decode('unicode-escape').encode('utf-8')
+ else:
+ return chr(codepoint)
+
+ def readJSONString(self, skipContext):
+ highSurrogate = None
+ string = []
+ if skipContext is False:
+ self.context.read()
+ self.readJSONSyntaxChar(QUOTE)
+ while True:
+ character = self.reader.read()
+ if character == QUOTE:
+ break
+ if ord(character) == ESCSEQ0:
+ character = self.reader.read()
+ if ord(character) == ESCSEQ1:
+ character = self.trans.read(4).decode('ascii')
+ codeunit = int(character, 16)
+ if self._isHighSurrogate(codeunit):
+ if highSurrogate:
+ raise TProtocolException(
+ TProtocolException.INVALID_DATA,
+ "Expected low surrogate char")
+ highSurrogate = codeunit
+ continue
+ elif self._isLowSurrogate(codeunit):
+ if not highSurrogate:
+ raise TProtocolException(
+ TProtocolException.INVALID_DATA,
+ "Expected high surrogate char")
+ character = self._toChar(highSurrogate, codeunit)
+ highSurrogate = None
+ else:
+ character = self._toChar(codeunit)
+ else:
+ if character not in ESCAPE_CHARS:
+ raise TProtocolException(
+ TProtocolException.INVALID_DATA,
+ "Expected control char")
+ character = ESCAPE_CHARS[character]
+ elif character in ESCAPE_CHAR_VALS:
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "Unescaped control char")
+ elif sys.version_info[0] > 2:
+ utf8_bytes = bytearray([ord(character)])
+ while ord(self.reader.peek()) >= 0x80:
+ utf8_bytes.append(ord(self.reader.read()))
+ character = utf8_bytes.decode('utf8')
+ string.append(character)
+
+ if highSurrogate:
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "Expected low surrogate char")
+ return ''.join(string)
+
+ def isJSONNumeric(self, character):
+ return (True if NUMERIC_CHAR.find(character) != - 1 else False)
+
+ def readJSONQuotes(self):
+ if (self.context.escapeNum()):
+ self.readJSONSyntaxChar(QUOTE)
+
+ def readJSONNumericChars(self):
+ numeric = []
+ while True:
+ character = self.reader.peek()
+ if self.isJSONNumeric(character) is False:
+ break
+ numeric.append(self.reader.read())
+ return b''.join(numeric).decode('ascii')
+
+ def readJSONInteger(self):
+ self.context.read()
+ self.readJSONQuotes()
+ numeric = self.readJSONNumericChars()
+ self.readJSONQuotes()
+ try:
+ return int(numeric)
+ except ValueError:
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "Bad data encounted in numeric data")
+
+ def readJSONDouble(self):
+ self.context.read()
+ if self.reader.peek() == QUOTE:
+ string = self.readJSONString(True)
+ try:
+ double = float(string)
+ if (self.context.escapeNum is False and
+ not math.isinf(double) and
+ not math.isnan(double)):
+ raise TProtocolException(
+ TProtocolException.INVALID_DATA,
+ "Numeric data unexpectedly quoted")
+ return double
+ except ValueError:
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "Bad data encounted in numeric data")
+ else:
+ if self.context.escapeNum() is True:
+ self.readJSONSyntaxChar(QUOTE)
+ try:
+ return float(self.readJSONNumericChars())
+ except ValueError:
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "Bad data encounted in numeric data")
+
+ def readJSONBase64(self):
+ string = self.readJSONString(False)
+ size = len(string)
+ m = size % 4
+ # Force padding since b64encode method does not allow it
+ if m != 0:
+ for i in range(4 - m):
+ string += '='
+ return base64.b64decode(string)
+
+ def readJSONObjectStart(self):
+ self.context.read()
+ self.readJSONSyntaxChar(LBRACE)
+ self.pushContext(JSONPairContext(self))
+
+ def readJSONObjectEnd(self):
+ self.readJSONSyntaxChar(RBRACE)
+ self.popContext()
+
+ def readJSONArrayStart(self):
+ self.context.read()
+ self.readJSONSyntaxChar(LBRACKET)
+ self.pushContext(JSONListContext(self))
+
+ def readJSONArrayEnd(self):
+ self.readJSONSyntaxChar(RBRACKET)
+ self.popContext()
+
+
+class TJSONProtocol(TJSONProtocolBase):
+
+ def readMessageBegin(self):
+ self.resetReadContext()
+ self.readJSONArrayStart()
+ if self.readJSONInteger() != VERSION:
+ raise TProtocolException(TProtocolException.BAD_VERSION,
+ "Message contained bad version.")
+ name = self.readJSONString(False)
+ typen = self.readJSONInteger()
+ seqid = self.readJSONInteger()
+ return (name, typen, seqid)
+
+ def readMessageEnd(self):
+ self.readJSONArrayEnd()
+
+ def readStructBegin(self):
+ self.readJSONObjectStart()
+
+ def readStructEnd(self):
+ self.readJSONObjectEnd()
+
+ def readFieldBegin(self):
+ character = self.reader.peek()
+ ttype = 0
+ id = 0
+ if character == RBRACE:
+ ttype = TType.STOP
+ else:
+ id = self.readJSONInteger()
+ self.readJSONObjectStart()
+ ttype = JTYPES[self.readJSONString(False)]
+ return (None, ttype, id)
+
+ def readFieldEnd(self):
+ self.readJSONObjectEnd()
+
+ def readMapBegin(self):
+ self.readJSONArrayStart()
+ keyType = JTYPES[self.readJSONString(False)]
+ valueType = JTYPES[self.readJSONString(False)]
+ size = self.readJSONInteger()
+ self.readJSONObjectStart()
+ return (keyType, valueType, size)
+
+ def readMapEnd(self):
+ self.readJSONObjectEnd()
+ self.readJSONArrayEnd()
+
+ def readCollectionBegin(self):
+ self.readJSONArrayStart()
+ elemType = JTYPES[self.readJSONString(False)]
+ size = self.readJSONInteger()
+ return (elemType, size)
+ readListBegin = readCollectionBegin
+ readSetBegin = readCollectionBegin
+
+ def readCollectionEnd(self):
+ self.readJSONArrayEnd()
+ readSetEnd = readCollectionEnd
+ readListEnd = readCollectionEnd
+
+ def readBool(self):
+ return (False if self.readJSONInteger() == 0 else True)
+
+ def readNumber(self):
+ return self.readJSONInteger()
+ readByte = readNumber
+ readI16 = readNumber
+ readI32 = readNumber
+ readI64 = readNumber
+
+ def readDouble(self):
+ return self.readJSONDouble()
+
+ def readString(self):
+ return self.readJSONString(False)
+
+ def readBinary(self):
+ return self.readJSONBase64()
+
+ def writeMessageBegin(self, name, request_type, seqid):
+ self.resetWriteContext()
+ self.writeJSONArrayStart()
+ self.writeJSONNumber(VERSION)
+ self.writeJSONString(name)
+ self.writeJSONNumber(request_type)
+ self.writeJSONNumber(seqid)
+
+ def writeMessageEnd(self):
+ self.writeJSONArrayEnd()
+
+ def writeStructBegin(self, name):
+ self.writeJSONObjectStart()
+
+ def writeStructEnd(self):
+ self.writeJSONObjectEnd()
+
+ def writeFieldBegin(self, name, ttype, id):
+ self.writeJSONNumber(id)
+ self.writeJSONObjectStart()
+ self.writeJSONString(CTYPES[ttype])
+
+ def writeFieldEnd(self):
+ self.writeJSONObjectEnd()
+
+ def writeFieldStop(self):
+ pass
+
+ def writeMapBegin(self, ktype, vtype, size):
+ self.writeJSONArrayStart()
+ self.writeJSONString(CTYPES[ktype])
+ self.writeJSONString(CTYPES[vtype])
+ self.writeJSONNumber(size)
+ self.writeJSONObjectStart()
+
+ def writeMapEnd(self):
+ self.writeJSONObjectEnd()
+ self.writeJSONArrayEnd()
+
+ def writeListBegin(self, etype, size):
+ self.writeJSONArrayStart()
+ self.writeJSONString(CTYPES[etype])
+ self.writeJSONNumber(size)
+
+ def writeListEnd(self):
+ self.writeJSONArrayEnd()
+
+ def writeSetBegin(self, etype, size):
+ self.writeJSONArrayStart()
+ self.writeJSONString(CTYPES[etype])
+ self.writeJSONNumber(size)
+
+ def writeSetEnd(self):
+ self.writeJSONArrayEnd()
+
+ def writeBool(self, boolean):
+ self.writeJSONNumber(1 if boolean is True else 0)
+
+ def writeByte(self, byte):
+ checkIntegerLimits(byte, 8)
+ self.writeJSONNumber(byte)
+
+ def writeI16(self, i16):
+ checkIntegerLimits(i16, 16)
+ self.writeJSONNumber(i16)
+
+ def writeI32(self, i32):
+ checkIntegerLimits(i32, 32)
+ self.writeJSONNumber(i32)
+
+ def writeI64(self, i64):
+ checkIntegerLimits(i64, 64)
+ self.writeJSONNumber(i64)
+
+ def writeDouble(self, dbl):
+ # 17 significant digits should be just enough for any double precision
+ # value.
+ self.writeJSONNumber(dbl, '{0:.17g}')
+
+ def writeString(self, string):
+ self.writeJSONString(string)
+
+ def writeBinary(self, binary):
+ self.writeJSONBase64(binary)
+
+
+class TJSONProtocolFactory(TProtocolFactory):
+ def getProtocol(self, trans):
+ return TJSONProtocol(trans)
+
+ @property
+ def string_length_limit(senf):
+ return None
+
+ @property
+ def container_length_limit(senf):
+ return None
+
+
+class TSimpleJSONProtocol(TJSONProtocolBase):
+ """Simple, readable, write-only JSON protocol.
+
+ Useful for interacting with scripting languages.
+ """
+
+ def readMessageBegin(self):
+ raise NotImplementedError()
+
+ def readMessageEnd(self):
+ raise NotImplementedError()
+
+ def readStructBegin(self):
+ raise NotImplementedError()
+
+ def readStructEnd(self):
+ raise NotImplementedError()
+
+ def writeMessageBegin(self, name, request_type, seqid):
+ self.resetWriteContext()
+
+ def writeMessageEnd(self):
+ pass
+
+ def writeStructBegin(self, name):
+ self.writeJSONObjectStart()
+
+ def writeStructEnd(self):
+ self.writeJSONObjectEnd()
+
+ def writeFieldBegin(self, name, ttype, fid):
+ self.writeJSONString(name)
+
+ def writeFieldEnd(self):
+ pass
+
+ def writeMapBegin(self, ktype, vtype, size):
+ self.writeJSONObjectStart()
+
+ def writeMapEnd(self):
+ self.writeJSONObjectEnd()
+
+ def _writeCollectionBegin(self, etype, size):
+ self.writeJSONArrayStart()
+
+ def _writeCollectionEnd(self):
+ self.writeJSONArrayEnd()
+ writeListBegin = _writeCollectionBegin
+ writeListEnd = _writeCollectionEnd
+ writeSetBegin = _writeCollectionBegin
+ writeSetEnd = _writeCollectionEnd
+
+ def writeByte(self, byte):
+ checkIntegerLimits(byte, 8)
+ self.writeJSONNumber(byte)
+
+ def writeI16(self, i16):
+ checkIntegerLimits(i16, 16)
+ self.writeJSONNumber(i16)
+
+ def writeI32(self, i32):
+ checkIntegerLimits(i32, 32)
+ self.writeJSONNumber(i32)
+
+ def writeI64(self, i64):
+ checkIntegerLimits(i64, 64)
+ self.writeJSONNumber(i64)
+
+ def writeBool(self, boolean):
+ self.writeJSONNumber(1 if boolean is True else 0)
+
+ def writeDouble(self, dbl):
+ self.writeJSONNumber(dbl)
+
+ def writeString(self, string):
+ self.writeJSONString(string)
+
+ def writeBinary(self, binary):
+ self.writeJSONBase64(binary)
+
+
+class TSimpleJSONProtocolFactory(TProtocolFactory):
+
+ def getProtocol(self, trans):
+ return TSimpleJSONProtocol(trans)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TMultiplexedProtocol.py b/src/jaegertracing/thrift/lib/py/src/protocol/TMultiplexedProtocol.py
new file mode 100644
index 000000000..0f8390fdb
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TMultiplexedProtocol.py
@@ -0,0 +1,39 @@
+#
+# 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.
+#
+
+from thrift.Thrift import TMessageType
+from thrift.protocol import TProtocolDecorator
+
+SEPARATOR = ":"
+
+
+class TMultiplexedProtocol(TProtocolDecorator.TProtocolDecorator):
+ def __init__(self, protocol, serviceName):
+ self.serviceName = serviceName
+
+ def writeMessageBegin(self, name, type, seqid):
+ if (type == TMessageType.CALL or
+ type == TMessageType.ONEWAY):
+ super(TMultiplexedProtocol, self).writeMessageBegin(
+ self.serviceName + SEPARATOR + name,
+ type,
+ seqid
+ )
+ else:
+ super(TMultiplexedProtocol, self).writeMessageBegin(name, type, seqid)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TProtocol.py b/src/jaegertracing/thrift/lib/py/src/protocol/TProtocol.py
new file mode 100644
index 000000000..3456e8f0e
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TProtocol.py
@@ -0,0 +1,422 @@
+#
+# 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.
+#
+
+from thrift.Thrift import TException, TType, TFrozenDict
+from thrift.transport.TTransport import TTransportException
+from ..compat import binary_to_str, str_to_binary
+
+import six
+import sys
+from itertools import islice
+from six.moves import zip
+
+
+class TProtocolException(TException):
+ """Custom Protocol Exception class"""
+
+ UNKNOWN = 0
+ INVALID_DATA = 1
+ NEGATIVE_SIZE = 2
+ SIZE_LIMIT = 3
+ BAD_VERSION = 4
+ NOT_IMPLEMENTED = 5
+ DEPTH_LIMIT = 6
+ INVALID_PROTOCOL = 7
+
+ def __init__(self, type=UNKNOWN, message=None):
+ TException.__init__(self, message)
+ self.type = type
+
+
+class TProtocolBase(object):
+ """Base class for Thrift protocol driver."""
+
+ def __init__(self, trans):
+ self.trans = trans
+ self._fast_decode = None
+ self._fast_encode = None
+
+ @staticmethod
+ def _check_length(limit, length):
+ if length < 0:
+ raise TTransportException(TTransportException.NEGATIVE_SIZE,
+ 'Negative length: %d' % length)
+ if limit is not None and length > limit:
+ raise TTransportException(TTransportException.SIZE_LIMIT,
+ 'Length exceeded max allowed: %d' % limit)
+
+ def writeMessageBegin(self, name, ttype, seqid):
+ pass
+
+ def writeMessageEnd(self):
+ pass
+
+ def writeStructBegin(self, name):
+ pass
+
+ def writeStructEnd(self):
+ pass
+
+ def writeFieldBegin(self, name, ttype, fid):
+ pass
+
+ def writeFieldEnd(self):
+ pass
+
+ def writeFieldStop(self):
+ pass
+
+ def writeMapBegin(self, ktype, vtype, size):
+ pass
+
+ def writeMapEnd(self):
+ pass
+
+ def writeListBegin(self, etype, size):
+ pass
+
+ def writeListEnd(self):
+ pass
+
+ def writeSetBegin(self, etype, size):
+ pass
+
+ def writeSetEnd(self):
+ pass
+
+ def writeBool(self, bool_val):
+ pass
+
+ def writeByte(self, byte):
+ pass
+
+ def writeI16(self, i16):
+ pass
+
+ def writeI32(self, i32):
+ pass
+
+ def writeI64(self, i64):
+ pass
+
+ def writeDouble(self, dub):
+ pass
+
+ def writeString(self, str_val):
+ self.writeBinary(str_to_binary(str_val))
+
+ def writeBinary(self, str_val):
+ pass
+
+ def writeUtf8(self, str_val):
+ self.writeString(str_val.encode('utf8'))
+
+ def readMessageBegin(self):
+ pass
+
+ def readMessageEnd(self):
+ pass
+
+ def readStructBegin(self):
+ pass
+
+ def readStructEnd(self):
+ pass
+
+ def readFieldBegin(self):
+ pass
+
+ def readFieldEnd(self):
+ pass
+
+ def readMapBegin(self):
+ pass
+
+ def readMapEnd(self):
+ pass
+
+ def readListBegin(self):
+ pass
+
+ def readListEnd(self):
+ pass
+
+ def readSetBegin(self):
+ pass
+
+ def readSetEnd(self):
+ pass
+
+ def readBool(self):
+ pass
+
+ def readByte(self):
+ pass
+
+ def readI16(self):
+ pass
+
+ def readI32(self):
+ pass
+
+ def readI64(self):
+ pass
+
+ def readDouble(self):
+ pass
+
+ def readString(self):
+ return binary_to_str(self.readBinary())
+
+ def readBinary(self):
+ pass
+
+ def readUtf8(self):
+ return self.readString().decode('utf8')
+
+ def skip(self, ttype):
+ if ttype == TType.BOOL:
+ self.readBool()
+ elif ttype == TType.BYTE:
+ self.readByte()
+ elif ttype == TType.I16:
+ self.readI16()
+ elif ttype == TType.I32:
+ self.readI32()
+ elif ttype == TType.I64:
+ self.readI64()
+ elif ttype == TType.DOUBLE:
+ self.readDouble()
+ elif ttype == TType.STRING:
+ self.readString()
+ elif ttype == TType.STRUCT:
+ name = self.readStructBegin()
+ while True:
+ (name, ttype, id) = self.readFieldBegin()
+ if ttype == TType.STOP:
+ break
+ self.skip(ttype)
+ self.readFieldEnd()
+ self.readStructEnd()
+ elif ttype == TType.MAP:
+ (ktype, vtype, size) = self.readMapBegin()
+ for i in range(size):
+ self.skip(ktype)
+ self.skip(vtype)
+ self.readMapEnd()
+ elif ttype == TType.SET:
+ (etype, size) = self.readSetBegin()
+ for i in range(size):
+ self.skip(etype)
+ self.readSetEnd()
+ elif ttype == TType.LIST:
+ (etype, size) = self.readListBegin()
+ for i in range(size):
+ self.skip(etype)
+ self.readListEnd()
+ else:
+ raise TProtocolException(
+ TProtocolException.INVALID_DATA,
+ "invalid TType")
+
+ # tuple of: ( 'reader method' name, is_container bool, 'writer_method' name )
+ _TTYPE_HANDLERS = (
+ (None, None, False), # 0 TType.STOP
+ (None, None, False), # 1 TType.VOID # TODO: handle void?
+ ('readBool', 'writeBool', False), # 2 TType.BOOL
+ ('readByte', 'writeByte', False), # 3 TType.BYTE and I08
+ ('readDouble', 'writeDouble', False), # 4 TType.DOUBLE
+ (None, None, False), # 5 undefined
+ ('readI16', 'writeI16', False), # 6 TType.I16
+ (None, None, False), # 7 undefined
+ ('readI32', 'writeI32', False), # 8 TType.I32
+ (None, None, False), # 9 undefined
+ ('readI64', 'writeI64', False), # 10 TType.I64
+ ('readString', 'writeString', False), # 11 TType.STRING and UTF7
+ ('readContainerStruct', 'writeContainerStruct', True), # 12 *.STRUCT
+ ('readContainerMap', 'writeContainerMap', True), # 13 TType.MAP
+ ('readContainerSet', 'writeContainerSet', True), # 14 TType.SET
+ ('readContainerList', 'writeContainerList', True), # 15 TType.LIST
+ (None, None, False), # 16 TType.UTF8 # TODO: handle utf8 types?
+ (None, None, False) # 17 TType.UTF16 # TODO: handle utf16 types?
+ )
+
+ def _ttype_handlers(self, ttype, spec):
+ if spec == 'BINARY':
+ if ttype != TType.STRING:
+ raise TProtocolException(type=TProtocolException.INVALID_DATA,
+ message='Invalid binary field type %d' % ttype)
+ return ('readBinary', 'writeBinary', False)
+ if sys.version_info[0] == 2 and spec == 'UTF8':
+ if ttype != TType.STRING:
+ raise TProtocolException(type=TProtocolException.INVALID_DATA,
+ message='Invalid string field type %d' % ttype)
+ return ('readUtf8', 'writeUtf8', False)
+ return self._TTYPE_HANDLERS[ttype] if ttype < len(self._TTYPE_HANDLERS) else (None, None, False)
+
+ def _read_by_ttype(self, ttype, spec, espec):
+ reader_name, _, is_container = self._ttype_handlers(ttype, espec)
+ if reader_name is None:
+ raise TProtocolException(type=TProtocolException.INVALID_DATA,
+ message='Invalid type %d' % (ttype))
+ reader_func = getattr(self, reader_name)
+ read = (lambda: reader_func(espec)) if is_container else reader_func
+ while True:
+ yield read()
+
+ def readFieldByTType(self, ttype, spec):
+ return next(self._read_by_ttype(ttype, spec, spec))
+
+ def readContainerList(self, spec):
+ ttype, tspec, is_immutable = spec
+ (list_type, list_len) = self.readListBegin()
+ # TODO: compare types we just decoded with thrift_spec
+ elems = islice(self._read_by_ttype(ttype, spec, tspec), list_len)
+ results = (tuple if is_immutable else list)(elems)
+ self.readListEnd()
+ return results
+
+ def readContainerSet(self, spec):
+ ttype, tspec, is_immutable = spec
+ (set_type, set_len) = self.readSetBegin()
+ # TODO: compare types we just decoded with thrift_spec
+ elems = islice(self._read_by_ttype(ttype, spec, tspec), set_len)
+ results = (frozenset if is_immutable else set)(elems)
+ self.readSetEnd()
+ return results
+
+ def readContainerStruct(self, spec):
+ (obj_class, obj_spec) = spec
+ obj = obj_class()
+ obj.read(self)
+ return obj
+
+ def readContainerMap(self, spec):
+ ktype, kspec, vtype, vspec, is_immutable = spec
+ (map_ktype, map_vtype, map_len) = self.readMapBegin()
+ # TODO: compare types we just decoded with thrift_spec and
+ # abort/skip if types disagree
+ keys = self._read_by_ttype(ktype, spec, kspec)
+ vals = self._read_by_ttype(vtype, spec, vspec)
+ keyvals = islice(zip(keys, vals), map_len)
+ results = (TFrozenDict if is_immutable else dict)(keyvals)
+ self.readMapEnd()
+ return results
+
+ def readStruct(self, obj, thrift_spec, is_immutable=False):
+ if is_immutable:
+ fields = {}
+ self.readStructBegin()
+ while True:
+ (fname, ftype, fid) = self.readFieldBegin()
+ if ftype == TType.STOP:
+ break
+ try:
+ field = thrift_spec[fid]
+ except IndexError:
+ self.skip(ftype)
+ else:
+ if field is not None and ftype == field[1]:
+ fname = field[2]
+ fspec = field[3]
+ val = self.readFieldByTType(ftype, fspec)
+ if is_immutable:
+ fields[fname] = val
+ else:
+ setattr(obj, fname, val)
+ else:
+ self.skip(ftype)
+ self.readFieldEnd()
+ self.readStructEnd()
+ if is_immutable:
+ return obj(**fields)
+
+ def writeContainerStruct(self, val, spec):
+ val.write(self)
+
+ def writeContainerList(self, val, spec):
+ ttype, tspec, _ = spec
+ self.writeListBegin(ttype, len(val))
+ for _ in self._write_by_ttype(ttype, val, spec, tspec):
+ pass
+ self.writeListEnd()
+
+ def writeContainerSet(self, val, spec):
+ ttype, tspec, _ = spec
+ self.writeSetBegin(ttype, len(val))
+ for _ in self._write_by_ttype(ttype, val, spec, tspec):
+ pass
+ self.writeSetEnd()
+
+ def writeContainerMap(self, val, spec):
+ ktype, kspec, vtype, vspec, _ = spec
+ self.writeMapBegin(ktype, vtype, len(val))
+ for _ in zip(self._write_by_ttype(ktype, six.iterkeys(val), spec, kspec),
+ self._write_by_ttype(vtype, six.itervalues(val), spec, vspec)):
+ pass
+ self.writeMapEnd()
+
+ def writeStruct(self, obj, thrift_spec):
+ self.writeStructBegin(obj.__class__.__name__)
+ for field in thrift_spec:
+ if field is None:
+ continue
+ fname = field[2]
+ val = getattr(obj, fname)
+ if val is None:
+ # skip writing out unset fields
+ continue
+ fid = field[0]
+ ftype = field[1]
+ fspec = field[3]
+ self.writeFieldBegin(fname, ftype, fid)
+ self.writeFieldByTType(ftype, val, fspec)
+ self.writeFieldEnd()
+ self.writeFieldStop()
+ self.writeStructEnd()
+
+ def _write_by_ttype(self, ttype, vals, spec, espec):
+ _, writer_name, is_container = self._ttype_handlers(ttype, espec)
+ writer_func = getattr(self, writer_name)
+ write = (lambda v: writer_func(v, espec)) if is_container else writer_func
+ for v in vals:
+ yield write(v)
+
+ def writeFieldByTType(self, ttype, val, spec):
+ next(self._write_by_ttype(ttype, [val], spec, spec))
+
+
+def checkIntegerLimits(i, bits):
+ if bits == 8 and (i < -128 or i > 127):
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "i8 requires -128 <= number <= 127")
+ elif bits == 16 and (i < -32768 or i > 32767):
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "i16 requires -32768 <= number <= 32767")
+ elif bits == 32 and (i < -2147483648 or i > 2147483647):
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "i32 requires -2147483648 <= number <= 2147483647")
+ elif bits == 64 and (i < -9223372036854775808 or i > 9223372036854775807):
+ raise TProtocolException(TProtocolException.INVALID_DATA,
+ "i64 requires -9223372036854775808 <= number <= 9223372036854775807")
+
+
+class TProtocolFactory(object):
+ def getProtocol(self, trans):
+ pass
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/TProtocolDecorator.py b/src/jaegertracing/thrift/lib/py/src/protocol/TProtocolDecorator.py
new file mode 100644
index 000000000..f5546c736
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/TProtocolDecorator.py
@@ -0,0 +1,26 @@
+#
+# 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.
+#
+
+
+class TProtocolDecorator(object):
+ def __new__(cls, protocol, *args, **kwargs):
+ decorated_cls = type(''.join(['Decorated', protocol.__class__.__name__]),
+ (cls, protocol.__class__),
+ protocol.__dict__)
+ return object.__new__(decorated_cls)
diff --git a/src/jaegertracing/thrift/lib/py/src/protocol/__init__.py b/src/jaegertracing/thrift/lib/py/src/protocol/__init__.py
new file mode 100644
index 000000000..06647a24b
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/py/src/protocol/__init__.py
@@ -0,0 +1,21 @@
+#
+# 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.
+#
+
+__all__ = ['fastbinary', 'TBase', 'TBinaryProtocol', 'TCompactProtocol',
+ 'TJSONProtocol', 'TProtocol', 'TProtocolDecorator']