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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/jaegertracing/thrift/lib/lua/TCompactProtocol.lua | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/lib/lua/TCompactProtocol.lua | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/lua/TCompactProtocol.lua b/src/jaegertracing/thrift/lib/lua/TCompactProtocol.lua new file mode 100644 index 000000000..877595a5d --- /dev/null +++ b/src/jaegertracing/thrift/lib/lua/TCompactProtocol.lua @@ -0,0 +1,457 @@ +-- +-- 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 'TProtocol' +require 'libluabpack' +require 'libluabitwise' +require 'liblualongnumber' + +TCompactProtocol = __TObject.new(TProtocolBase, { + __type = 'TCompactProtocol', + COMPACT_PROTOCOL_ID = 0x82, + COMPACT_VERSION = 1, + COMPACT_VERSION_MASK = 0x1f, + COMPACT_TYPE_MASK = 0xE0, + COMPACT_TYPE_BITS = 0x07, + COMPACT_TYPE_SHIFT_AMOUNT = 5, + + -- Used to keep track of the last field for the current and previous structs, + -- so we can do the delta stuff. + lastField = {}, + lastFieldId = 0, + lastFieldIndex = 1, + + -- If we encounter a boolean field begin, save the TField here so it can + -- have the value incorporated. + booleanFieldName = "", + booleanFieldId = 0, + booleanFieldPending = false, + + -- If we read a field header, and it's a boolean field, save the boolean + -- value here so that readBool can use it. + boolValue = false, + boolValueIsNotNull = false, +}) + +TCompactType = { + COMPACT_BOOLEAN_TRUE = 0x01, + COMPACT_BOOLEAN_FALSE = 0x02, + COMPACT_BYTE = 0x03, + COMPACT_I16 = 0x04, + COMPACT_I32 = 0x05, + COMPACT_I64 = 0x06, + COMPACT_DOUBLE = 0x07, + COMPACT_BINARY = 0x08, + COMPACT_LIST = 0x09, + COMPACT_SET = 0x0A, + COMPACT_MAP = 0x0B, + COMPACT_STRUCT = 0x0C +} + +TTypeToCompactType = {} +TTypeToCompactType[TType.STOP] = TType.STOP +TTypeToCompactType[TType.BOOL] = TCompactType.COMPACT_BOOLEAN_TRUE +TTypeToCompactType[TType.BYTE] = TCompactType.COMPACT_BYTE +TTypeToCompactType[TType.I16] = TCompactType.COMPACT_I16 +TTypeToCompactType[TType.I32] = TCompactType.COMPACT_I32 +TTypeToCompactType[TType.I64] = TCompactType.COMPACT_I64 +TTypeToCompactType[TType.DOUBLE] = TCompactType.COMPACT_DOUBLE +TTypeToCompactType[TType.STRING] = TCompactType.COMPACT_BINARY +TTypeToCompactType[TType.LIST] = TCompactType.COMPACT_LIST +TTypeToCompactType[TType.SET] = TCompactType.COMPACT_SET +TTypeToCompactType[TType.MAP] = TCompactType.COMPACT_MAP +TTypeToCompactType[TType.STRUCT] = TCompactType.COMPACT_STRUCT + +CompactTypeToTType = {} +CompactTypeToTType[TType.STOP] = TType.STOP +CompactTypeToTType[TCompactType.COMPACT_BOOLEAN_TRUE] = TType.BOOL +CompactTypeToTType[TCompactType.COMPACT_BOOLEAN_FALSE] = TType.BOOL +CompactTypeToTType[TCompactType.COMPACT_BYTE] = TType.BYTE +CompactTypeToTType[TCompactType.COMPACT_I16] = TType.I16 +CompactTypeToTType[TCompactType.COMPACT_I32] = TType.I32 +CompactTypeToTType[TCompactType.COMPACT_I64] = TType.I64 +CompactTypeToTType[TCompactType.COMPACT_DOUBLE] = TType.DOUBLE +CompactTypeToTType[TCompactType.COMPACT_BINARY] = TType.STRING +CompactTypeToTType[TCompactType.COMPACT_LIST] = TType.LIST +CompactTypeToTType[TCompactType.COMPACT_SET] = TType.SET +CompactTypeToTType[TCompactType.COMPACT_MAP] = TType.MAP +CompactTypeToTType[TCompactType.COMPACT_STRUCT] = TType.STRUCT + +function TCompactProtocol:resetLastField() + self.lastField = {} + self.lastFieldId = 0 + self.lastFieldIndex = 1 +end + +function TCompactProtocol:packCompactType(ktype, vtype) + return libluabitwise.bor(libluabitwise.shiftl(ktype, 4), vtype) +end + +function TCompactProtocol:writeMessageBegin(name, ttype, seqid) + self:writeByte(TCompactProtocol.COMPACT_PROTOCOL_ID) + self:writeByte(libluabpack.packMesgType(TCompactProtocol.COMPACT_VERSION, + TCompactProtocol.COMPACT_VERSION_MASK,ttype, + TCompactProtocol.COMPACT_TYPE_SHIFT_AMOUNT, + TCompactProtocol.COMPACT_TYPE_MASK)) + self:writeVarint32(seqid) + self:writeString(name) + self:resetLastField() +end + +function TCompactProtocol:writeMessageEnd() +end + +function TCompactProtocol:writeStructBegin(name) + self.lastFieldIndex = self.lastFieldIndex + 1 + self.lastField[self.lastFieldIndex] = self.lastFieldId + self.lastFieldId = 0 +end + +function TCompactProtocol:writeStructEnd() + self.lastFieldIndex = self.lastFieldIndex - 1 + self.lastFieldId = self.lastField[self.lastFieldIndex] +end + +function TCompactProtocol:writeFieldBegin(name, ttype, id) + if ttype == TType.BOOL then + self.booleanFieldName = name + self.booleanFieldId = id + self.booleanFieldPending = true + else + self:writeFieldBeginInternal(name, ttype, id, -1) + end +end + +function TCompactProtocol:writeFieldEnd() +end + +function TCompactProtocol:writeFieldStop() + self:writeByte(TType.STOP); +end + +function TCompactProtocol:writeMapBegin(ktype, vtype, size) + if size == 0 then + self:writeByte(0) + else + self:writeVarint32(size) + self:writeByte(self:packCompactType(TTypeToCompactType[ktype], TTypeToCompactType[vtype])) + end +end + +function TCompactProtocol:writeMapEnd() +end + +function TCompactProtocol:writeListBegin(etype, size) + self:writeCollectionBegin(etype, size) +end + +function TCompactProtocol:writeListEnd() +end + +function TCompactProtocol:writeSetBegin(etype, size) + self:writeCollectionBegin(etype, size) +end + +function TCompactProtocol:writeSetEnd() +end + +function TCompactProtocol:writeBool(bool) + local value = TCompactType.COMPACT_BOOLEAN_FALSE + if bool then + value = TCompactType.COMPACT_BOOLEAN_TRUE + end + print(value,self.booleanFieldPending,self.booleanFieldId) + if self.booleanFieldPending then + self:writeFieldBeginInternal(self.booleanFieldName, TType.BOOL, self.booleanFieldId, value) + self.booleanFieldPending = false + else + self:writeByte(value) + end +end + +function TCompactProtocol:writeByte(byte) + local buff = libluabpack.bpack('c', byte) + self.trans:write(buff) +end + +function TCompactProtocol:writeI16(i16) + self:writeVarint32(libluabpack.i32ToZigzag(i16)) +end + +function TCompactProtocol:writeI32(i32) + self:writeVarint32(libluabpack.i32ToZigzag(i32)) +end + +function TCompactProtocol:writeI64(i64) + self:writeVarint64(libluabpack.i64ToZigzag(i64)) +end + +function TCompactProtocol:writeDouble(dub) + local buff = libluabpack.bpack('d', dub) + self.trans:write(buff) +end + +function TCompactProtocol:writeString(str) + -- Should be utf-8 + self:writeBinary(str) +end + +function TCompactProtocol:writeBinary(str) + -- Should be utf-8 + self:writeVarint32(string.len(str)) + self.trans:write(str) +end + +function TCompactProtocol:writeFieldBeginInternal(name, ttype, id, typeOverride) + if typeOverride == -1 then + typeOverride = TTypeToCompactType[ttype] + end + local offset = id - self.lastFieldId + if id > self.lastFieldId and offset <= 15 then + self:writeByte(libluabitwise.bor(libluabitwise.shiftl(offset, 4), typeOverride)) + else + self:writeByte(typeOverride) + self:writeI16(id) + end + self.lastFieldId = id +end + +function TCompactProtocol:writeCollectionBegin(etype, size) + if size <= 14 then + self:writeByte(libluabitwise.bor(libluabitwise.shiftl(size, 4), TTypeToCompactType[etype])) + else + self:writeByte(libluabitwise.bor(0xf0, TTypeToCompactType[etype])) + self:writeVarint32(size) + end +end + +function TCompactProtocol:writeVarint32(i32) + -- Should be utf-8 + local str = libluabpack.toVarint32(i32) + self.trans:write(str) +end + +function TCompactProtocol:writeVarint64(i64) + -- Should be utf-8 + local str = libluabpack.toVarint64(i64) + self.trans:write(str) +end + +function TCompactProtocol:readMessageBegin() + local protocolId = self:readSignByte() + if protocolId ~= self.COMPACT_PROTOCOL_ID then + terror(TProtocolException:new{ + message = "Expected protocol id " .. self.COMPACT_PROTOCOL_ID .. " but got " .. protocolId}) + end + local versionAndType = self:readSignByte() + local version = libluabitwise.band(versionAndType, self.COMPACT_VERSION_MASK) + local ttype = libluabitwise.band(libluabitwise.shiftr(versionAndType, + self.COMPACT_TYPE_SHIFT_AMOUNT), self.COMPACT_TYPE_BITS) + if version ~= self.COMPACT_VERSION then + terror(TProtocolException:new{ + message = "Expected version " .. self.COMPACT_VERSION .. " but got " .. version}) + end + local seqid = self:readVarint32() + local name = self:readString() + return name, ttype, seqid +end + +function TCompactProtocol:readMessageEnd() +end + +function TCompactProtocol:readStructBegin() + self.lastField[self.lastFieldIndex] = self.lastFieldId + self.lastFieldIndex = self.lastFieldIndex + 1 + self.lastFieldId = 0 + return nil +end + +function TCompactProtocol:readStructEnd() + self.lastFieldIndex = self.lastFieldIndex - 1 + self.lastFieldId = self.lastField[self.lastFieldIndex] +end + +function TCompactProtocol:readFieldBegin() + local field_and_ttype = self:readSignByte() + local ttype = self:getTType(field_and_ttype) + if ttype == TType.STOP then + return nil, ttype, 0 + end + -- mask off the 4 MSB of the type header. it could contain a field id delta. + local modifier = libluabitwise.shiftr(libluabitwise.band(field_and_ttype, 0xf0), 4) + local id = 0 + if modifier == 0 then + id = self:readI16() + else + id = self.lastFieldId + modifier + end + if ttype == TType.BOOL then + boolValue = libluabitwise.band(field_and_ttype, 0x0f) == TCompactType.COMPACT_BOOLEAN_TRUE + boolValueIsNotNull = true + end + self.lastFieldId = id + return nil, ttype, id +end + +function TCompactProtocol:readFieldEnd() +end + +function TCompactProtocol:readMapBegin() + local size = self:readVarint32() + if size < 0 then + return nil,nil,nil + end + local kvtype = self:readSignByte() + local ktype = self:getTType(libluabitwise.shiftr(kvtype, 4)) + local vtype = self:getTType(kvtype) + return ktype, vtype, size +end + +function TCompactProtocol:readMapEnd() +end + +function TCompactProtocol:readListBegin() + local size_and_type = self:readSignByte() + local size = libluabitwise.band(libluabitwise.shiftr(size_and_type, 4), 0x0f) + if size == 15 then + size = self:readVarint32() + end + if size < 0 then + return nil,nil + end + local etype = self:getTType(libluabitwise.band(size_and_type, 0x0f)) + return etype, size +end + +function TCompactProtocol:readListEnd() +end + +function TCompactProtocol:readSetBegin() + return self:readListBegin() +end + +function TCompactProtocol:readSetEnd() +end + +function TCompactProtocol:readBool() + if boolValueIsNotNull then + boolValueIsNotNull = true + return boolValue + end + local val = self:readSignByte() + if val == TCompactType.COMPACT_BOOLEAN_TRUE then + return true + end + return false +end + +function TCompactProtocol:readByte() + local buff = self.trans:readAll(1) + local val = libluabpack.bunpack('c', buff) + return val +end + +function TCompactProtocol:readSignByte() + local buff = self.trans:readAll(1) + local val = libluabpack.bunpack('C', buff) + return val +end + +function TCompactProtocol:readI16() + return self:readI32() +end + +function TCompactProtocol:readI32() + local v = self:readVarint32() + local value = libluabpack.zigzagToI32(v) + return value +end + +function TCompactProtocol:readI64() + local value = self:readVarint64() + return value +end + +function TCompactProtocol:readDouble() + local buff = self.trans:readAll(8) + local val = libluabpack.bunpack('d', buff) + return val +end + +function TCompactProtocol:readString() + return self:readBinary() +end + +function TCompactProtocol:readBinary() + local size = self:readVarint32() + if size <= 0 then + return "" + end + return self.trans:readAll(size) +end + +function TCompactProtocol:readVarint32() + local shiftl = 0 + local result = 0 + while true do + b = self:readByte() + result = libluabitwise.bor(result, + libluabitwise.shiftl(libluabitwise.band(b, 0x7f), shiftl)) + if libluabitwise.band(b, 0x80) ~= 0x80 then + break + end + shiftl = shiftl + 7 + end + return result +end + +function TCompactProtocol:readVarint64() + local result = liblualongnumber.new + local data = result(0) + local shiftl = 0 + while true do + b = self:readByte() + endFlag, data = libluabpack.fromVarint64(b, shiftl, data) + shiftl = shiftl + 7 + if endFlag == 0 then + break + end + end + return data +end + +function TCompactProtocol:getTType(ctype) + return CompactTypeToTType[libluabitwise.band(ctype, 0x0f)] +end + +TCompactProtocolFactory = TProtocolFactory:new{ + __type = 'TCompactProtocolFactory', +} + +function TCompactProtocolFactory:getProtocol(trans) + -- TODO Enforce that this must be a transport class (ie not a bool) + if not trans then + terror(TProtocolException:new{ + message = 'Must supply a transport to ' .. ttype(self) + }) + end + return TCompactProtocol:new{ + trans = trans + } +end |