import avro.schema from avro.datafile import DataFileWriter from avro.io import DatumWriter import thriftpy from thriftpy.protocol import TCyBinaryProtocolFactory from thriftpy.transport import TCyMemoryBuffer import bson import cbor import json import msgpack import ubjson import io import os import re import time from filelock import FileLock class DummyProtocol: def __init__(self): self.max_serialized_bytes = None self.enc_buf = "" self.dec_buf = "" self.dec_buf0 = "" self.dec_buf1 = "" self.dec_buf2 = "" self.dec_index = 0 self.transition_map = dict() def assign_and_kout(self, signature, assignment, transition_args=None): self.new_var(signature) self.assign_var(assignment, transition_args=transition_args) self.kout_var() def new_var(self, signature): self.dec_index += 1 self.dec_buf0 += "{} dec_{:d};\n".format(signature, self.dec_index) def assign_var(self, assignment, transition_args=None): snippet = "dec_{:d} = {};\n".format(self.dec_index, assignment) self.dec_buf1 += snippet if transition_args: self.add_transition(snippet, transition_args) def get_var(self): return "dec_{:d}".format(self.dec_index) def kout_var(self): self.dec_buf2 += "kout << dec_{:d};\n".format(self.dec_index) def note_unsupported(self, value): note = "// value {} has unsupported type {}\n".format(value, type(value)) self.enc_buf += note self.dec_buf += note self.dec_buf1 += note def is_ascii(self): return True def get_encode(self): return "" def get_buffer_declaration(self): return "" def get_buffer_name(self): return '"none"' def get_serialize(self): return "" def get_deserialize(self): return "" def get_decode_and_output(self): return "" def get_decode_vars(self): return "" def get_decode(self): return "" def get_decode_output(self): return "" def get_extra_files(self): return dict() def can_get_serialized_length(self): return False def add_transition(self, code_snippet: str, args: list): self.transition_map[code_snippet.rstrip()] = args return code_snippet def get_transition_args(self, code_snippet: str) -> list: if code_snippet in self.transition_map: return self.transition_map[code_snippet] return list() class Avro(DummyProtocol): def __init__(self, data, strip_schema=False): super().__init__() self.data = data self.strip_schema = strip_schema self.schema = { "namespace": "benchmark.avro", "type": "record", "name": "Benchmark", "fields": [], } for key, value in data.items(): self.add_to_dict(self.schema["fields"], key, value) buf = io.BytesIO() try: writer = avro.datafile.DataFileWriter( buf, avro.io.DatumWriter(), avro.schema.Parse(json.dumps(self.schema)) ) writer.append(data) writer.flush() except avro.schema.SchemaParseException: raise RuntimeError("Unsupported schema") from None self.serialized_data = buf.getvalue() if strip_schema: self.serialized_data = self.serialized_data[ self.serialized_data.find(b"}\x00") + 2 : ] # strip leading 16-byte sync marker self.serialized_data = self.serialized_data[16:] # strip trailing 16-byte sync marker self.serialized_data = self.serialized_data[:-16] def can_get_serialized_length(self): return True def get_serialized_length(self): return len(self.serialized_data) def type_to_type_name(self, type_type): if type_type == int: return "int" if type_type == float: return "float" if type_type == str: return "string" if type_type == list: return "array" if type_type == dict: return "record" def add_to_dict(self, fields, key, value): new_field = {"name": key, "type": self.type_to_type_name(type(value))} if new_field["type"] == "array": new_field["type"] = { "type": "array", "items": self.type_to_type_name(type(value[0])), } if new_field["type"] == "record": new_field["type"] = {"type": "record", "name": key, "fields": []} for key, value in value.items(): self.add_to_dict(new_field["type"]["fields"], key, value) fields.append(new_field) class Thrift(DummyProtocol): class_index = 1 def __init__(self, data): super().__init__() self.data = data self._field_id = 1 self.proto_buf = "" self.proto_from_json(data) with open("/tmp/test.thrift", "w") as f: f.write(self.proto_buf) membuf = TCyMemoryBuffer() proto = TCyBinaryProtocolFactory().get_protocol(membuf) # TODO irgendwo bleibt state übrig -> nur das bei allerersten # Aufruf geladene Protokoll wird berücksichtigt, dazu nicht passende # Daten werden nicht serialisiert test_thrift = thriftpy.load( "/tmp/test.thrift", module_name="test{:d}_thrift".format(Thrift.class_index) ) Thrift.class_index += 1 benchmark = test_thrift.Benchmark() for key, value in data.items(): benchmark.__dict__[key] = value try: proto.write_struct(benchmark) except thriftpy.thrift.TDecodeException: raise RuntimeError("Unsupported data layout") from None membuf.flush() self.serialized_data = membuf.getvalue() def can_get_serialized_length(self): return True def get_serialized_length(self): return len(self.serialized_data) def type_to_type_name(self, value): type_type = type(value) if type_type == int: return "i32" if type_type == float: return "double" if type_type == str: return "string" if type_type == list: return "list<{}>".format(self.type_to_type_name(value[0])) if type_type == dict: sub_value = list(value.values())[0] return "map<{},{}>".format("string", self.type_to_type_name(sub_value)) def add_to_dict(self, key, value): key_type = self.type_to_type_name(value) self.proto_buf += "{:d}: {} {};\n".format(self._field_id, key_type, key) self._field_id += 1 def proto_from_json(self, data): self.proto_buf += "struct Benchmark {\n" for key, value in data.items(): self.add_to_dict(key, value) self.proto_buf += "}\n" class ArduinoJSON(DummyProtocol): def __init__(self, data, bufsize=255, int_type="uint16_t", float_type="float"): super().__init__() self.data = data self.max_serialized_bytes = self.get_serialized_length() + 2 self.children = set() self.bufsize = bufsize self.int_type = int_type self.float_type = float_type self.enc_buf += self.add_transition( "ArduinoJson::StaticJsonBuffer<{:d}> jsonBuffer;\n".format(bufsize), [bufsize], ) self.enc_buf += "ArduinoJson::JsonObject& root = jsonBuffer.createObject();\n" self.from_json(data, "root") def get_serialized_length(self): return len(json.dumps(self.data)) def can_get_serialized_length(self): return True def get_encode(self): return self.enc_buf def get_buffer_declaration(self): return "char buf[{:d}];\n".format(self.max_serialized_bytes) def get_buffer_name(self): return "buf" def get_length_var(self): return "serialized_size" def get_serialize(self): return self.add_transition( "uint16_t serialized_size = root.printTo(buf);\n", [self.max_serialized_bytes], ) def get_deserialize(self): ret = self.add_transition( "ArduinoJson::StaticJsonBuffer<{:d}> jsonBuffer;\n".format(self.bufsize), [self.bufsize], ) ret += self.add_transition( "ArduinoJson::JsonObject& root = jsonBuffer.parseObject(buf);\n", [self.max_serialized_bytes], ) return ret def get_decode_and_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf + "kout << endl;\n" def get_decode_vars(self): return self.dec_buf0 def get_decode(self): return self.dec_buf1 def get_decode_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" def add_to_list(self, enc_node, dec_node, offset, value): if type(value) == str: if len(value) and value[0] == "$": self.enc_buf += "{}.add({});\n".format(enc_node, value[1:]) self.dec_buf += "kout << {}[{:d}].as<{}>();\n".format( dec_node, offset, self.int_type ) self.assign_and_kout( self.int_type, "{}[{:d}].as<{}>()".format(dec_node, offset, self.int_type), ) else: self.enc_buf += self.add_transition( '{}.add("{}");\n'.format(enc_node, value), [len(value)] ) self.dec_buf += "kout << {}[{:d}].as();\n".format( dec_node, offset ) self.assign_and_kout( "char const*", "{}[{:d}].as()".format(dec_node, offset), transition_args=[len(value)], ) elif type(value) == list: child = enc_node + "l" while child in self.children: child += "_" self.enc_buf += "ArduinoJson::JsonArray& {} = {}.createNestedArray();\n".format( child, enc_node ) self.children.add(child) self.from_json(value, child) elif type(value) == dict: child = enc_node + "o" while child in self.children: child += "_" self.enc_buf += "ArduinoJson::JsonObject& {} = {}.createNestedObject();\n".format( child, enc_node ) self.children.add(child) self.from_json(value, child) elif type(value) == float: self.enc_buf += "{}.add({});\n".format(enc_node, value) self.dec_buf += "kout << {}[{:d}].as<{}>();\n".format( dec_node, offset, self.float_type ) self.assign_and_kout( self.float_type, "{}[{:d}].as<{}>()".format(dec_node, offset, self.float_type), ) elif type(value) == int: self.enc_buf += "{}.add({});\n".format(enc_node, value) self.dec_buf += "kout << {}[{:d}].as<{}>();\n".format( dec_node, offset, self.int_type ) self.assign_and_kout( self.int_type, "{}[{:d}].as<{}>()".format(dec_node, offset, self.int_type), ) else: self.note_unsupported(value) def add_to_dict(self, enc_node, dec_node, key, value): if type(value) == str: if len(value) and value[0] == "$": self.enc_buf += self.add_transition( '{}["{}"] = {};\n'.format(enc_node, key, value[1:]), [len(key)] ) self.dec_buf += 'kout << {}["{}"].as<{}>();\n'.format( dec_node, key, self.int_type ) self.assign_and_kout( self.int_type, '{}["{}"].as<{}>()'.format(dec_node, key, self.int_type), ) else: self.enc_buf += self.add_transition( '{}["{}"] = "{}";\n'.format(enc_node, key, value), [len(key), len(value)], ) self.dec_buf += 'kout << {}["{}"].as();\n'.format( dec_node, key ) self.assign_and_kout( "char const*", '{}["{}"].as()'.format(dec_node, key), transition_args=[len(key), len(value)], ) elif type(value) == list: child = enc_node + "l" while child in self.children: child += "_" self.enc_buf += self.add_transition( 'ArduinoJson::JsonArray& {} = {}.createNestedArray("{}");\n'.format( child, enc_node, key ), [len(key)], ) self.children.add(child) self.from_json(value, child, '{}["{}"]'.format(dec_node, key)) elif type(value) == dict: child = enc_node + "o" while child in self.children: child += "_" self.enc_buf += self.add_transition( 'ArduinoJson::JsonObject& {} = {}.createNestedObject("{}");\n'.format( child, enc_node, key ), [len(key)], ) self.children.add(child) self.from_json(value, child, '{}["{}"]'.format(dec_node, key)) elif type(value) == float: self.enc_buf += self.add_transition( '{}["{}"] = {};\n'.format(enc_node, key, value), [len(key)] ) self.dec_buf += 'kout << {}["{}"].as<{}>();\n'.format( dec_node, key, self.float_type ) self.assign_and_kout( self.float_type, '{}["{}"].as<{}>()'.format(dec_node, key, self.float_type), transition_args=[len(key)], ) elif type(value) == int: self.enc_buf += self.add_transition( '{}["{}"] = {};\n'.format(enc_node, key, value), [len(key)] ) self.dec_buf += 'kout << {}["{}"].as<{}>();\n'.format( dec_node, key, self.int_type ) self.assign_and_kout( self.int_type, '{}["{}"].as<{}>()'.format(dec_node, key, self.int_type), transition_args=[len(key)], ) else: self.note_unsupported(value) def from_json(self, data, enc_node="root", dec_node="root"): if type(data) == dict: for key in sorted(data.keys()): self.add_to_dict(enc_node, dec_node, key, data[key]) elif type(data) == list: for i, elem in enumerate(data): self.add_to_list(enc_node, dec_node, i, elem) class CapnProtoC(DummyProtocol): def __init__( self, data, max_serialized_bytes=128, packed=False, trail=["benchmark"], int_type="uint16_t", float_type="float", dec_index=0, ): super().__init__() self.data = data self.max_serialized_bytes = max_serialized_bytes self.packed = packed self.name = trail[-1] self.trail = trail self.int_type = int_type self.proto_int_type = self.int_type_to_proto_type(int_type) self.float_type = float_type self.proto_float_type = self.float_type_to_proto_type(float_type) self.dec_index = dec_index self.trail_name = "_".join(map(lambda x: x.capitalize(), trail)) self.proto_buf = "" self.enc_buf += "struct {} {};\n".format(self.trail_name, self.name) self.cc_tail = "" self.key_counter = 0 self.from_json(data) def int_type_to_proto_type(self, int_type): sign = "" if int_type[0] == "u": sign = "U" if "8" in int_type: self.int_bits = 8 return sign + "Int8" if "16" in int_type: self.int_bits = 16 return sign + "Int16" if "32" in int_type: self.int_bits = 32 return sign + "Int32" self.int_bits = 64 return sign + "Int64" def float_type_to_proto_type(self, float_type): if float_type == "float": self.float_bits = 32 return "Float32" self.float_bits = 64 return "Float64" def is_ascii(self): return False def get_proto(self): return "@0xad5b236043de2389;\n\n" + self.proto_buf def get_extra_files(self): return {"capnp_c_bench.capnp": self.get_proto()} def get_buffer_declaration(self): ret = "uint8_t buf[{:d}];\n".format(self.max_serialized_bytes) ret += "uint16_t serialized_size;\n" return ret def get_buffer_name(self): return "buf" def get_encode(self): ret = "struct capn c;\n" ret += "capn_init_malloc(&c);\n" ret += "capn_ptr cr = capn_root(&c);\n" ret += "struct capn_segment *cs = cr.seg;\n\n" ret += "{}_ptr {}_ptr = new_{}(cs);\n".format( self.trail_name, self.name, self.trail_name ) tail = "write_{}(&{}, {}_ptr);\n".format(self.trail_name, self.name, self.name) tail += "capn_setp(cr, 0, {}_ptr.p);\n".format(self.name) return ret + self.enc_buf + self.cc_tail + tail def get_serialize(self): ret = "serialized_size = capn_write_mem(&c, buf, sizeof(buf), {:d});\n".format( self.packed ) ret += "capn_free(&c);\n" return ret def get_deserialize(self): ret = "struct capn c;\n" ret += "capn_init_mem(&c, buf, serialized_size, 0);\n" return ret def get_decode_and_output(self): ret = "{}_ptr {}_ptr;\n".format(self.trail_name, self.name) ret += "{}_ptr.p = capn_getp(capn_root(&c), 0, 1);\n".format(self.name) ret += "struct {} {};\n".format(self.trail_name, self.name) ret += 'kout << dec << "dec:";\n' ret += self.dec_buf ret += "kout << endl;\n" ret += "capn_free(&c);\n" return ret def get_decode_vars(self): return self.dec_buf0 def get_decode(self): ret = "{}_ptr {}_ptr;\n".format(self.trail_name, self.name) ret += "{}_ptr.p = capn_getp(capn_root(&c), 0, 1);\n".format(self.name) ret += "struct {} {};\n".format(self.trail_name, self.name) ret += self.dec_buf1 ret += "capn_free(&c);\n" return ret def get_decode_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" def get_length_var(self): return "serialized_size" def add_field(self, fieldtype, key, value): extra = "" texttype = self.proto_int_type if fieldtype == str: texttype = "Text" elif fieldtype == float: texttype = self.proto_float_type elif fieldtype == dict: texttype = key.capitalize() if type(value) == list: texttype = "List({})".format(texttype) self.proto_buf += "{} @{:d} :{};\n".format(key, self.key_counter, texttype) self.key_counter += 1 if fieldtype == str: self.enc_buf += "capn_text {}_text;\n".format(key) self.enc_buf += "{}_text.len = {:d};\n".format(key, len(value)) self.enc_buf += '{}_text.str = "{}";\n'.format(key, value) self.enc_buf += "{}_text.seg = NULL;\n".format(key) self.enc_buf += "{}.{} = {}_text;\n\n".format(self.name, key, key) self.dec_buf += "kout << {}.{}.str;\n".format(self.name, key) self.assign_and_kout("char const *", "{}.{}.str".format(self.name, key)) elif fieldtype == dict: pass # content is handled recursively in add_to_dict elif type(value) == list: if type(value[0]) == float: self.enc_buf += self.add_transition( "{}.{} = capn_new_list{:d}(cs, {:d});\n".format( self.name, key, self.float_bits, len(value) ), [len(value)], ) for i, elem in enumerate(value): self.enc_buf += "capn_set{:d}({}.{}, {:d}, capn_from_f{:d}({:f}));\n".format( self.float_bits, self.name, key, i, self.float_bits, elem ) self.dec_buf += "kout << capn_to_f{:d}(capn_get{:d}({}.{}, {:d}));\n".format( self.float_bits, self.float_bits, self.name, key, i ) self.assign_and_kout( self.float_type, "capn_to_f{:d}(capn_get{:d}({}.{}, {:d}))".format( self.float_bits, self.float_bits, self.name, key, i ), ) else: self.enc_buf += self.add_transition( "{}.{} = capn_new_list{:d}(cs, {:d});\n".format( self.name, key, self.int_bits, len(value) ), [len(value)], ) for i, elem in enumerate(value): self.enc_buf += "capn_set{:d}({}.{}, {:d}, {:d});\n".format( self.int_bits, self.name, key, i, elem ) self.dec_buf += "kout << capn_get{:d}({}.{}, {:d});\n".format( self.int_bits, self.name, key, i ) self.assign_and_kout( self.int_type, "capn_get{:d}({}.{}, {:d})".format( self.int_bits, self.name, key, i ), ) elif fieldtype == float: self.enc_buf += "{}.{} = {};\n\n".format(self.name, key, value) self.dec_buf += "kout << {}.{};\n".format(self.name, key) self.assign_and_kout(self.float_type, "{}.{}".format(self.name, key)) elif fieldtype == int: self.enc_buf += "{}.{} = {};\n\n".format(self.name, key, value) self.dec_buf += "kout << {}.{};\n".format(self.name, key) self.assign_and_kout(self.int_type, "{}.{}".format(self.name, key)) else: self.note_unsupported(value) def add_to_dict(self, key, value): if type(value) == str: if len(value) and value[0] == "$": self.add_field(int, key, value[1:]) else: self.add_field(str, key, value) elif type(value) == list: self.add_field(type(value[0]), key, value) elif type(value) == dict: trail = list(self.trail) trail.append(key) nested = CapnProtoC( value, trail=trail, int_type=self.int_type, float_type=self.float_type, dec_index=self.dec_index, ) self.add_field(dict, key, value) self.enc_buf += "{}.{} = new_{}_{}(cs);\n".format( self.name, key, self.trail_name, key.capitalize() ) self.enc_buf += nested.enc_buf self.enc_buf += "write_{}_{}(&{}, {}.{});\n".format( self.trail_name, key.capitalize(), key, self.name, key ) self.dec_buf += "struct {}_{} {};\n".format( self.trail_name, key.capitalize(), key ) self.dec_buf += "read_{}_{}(&{}, {}.{});\n".format( self.trail_name, key.capitalize(), key, self.name, key ) self.dec_buf += nested.dec_buf self.dec_buf0 += nested.dec_buf0 self.dec_buf1 += "struct {}_{} {};\n".format( self.trail_name, key.capitalize(), key ) self.dec_buf1 += "read_{}_{}(&{}, {}.{});\n".format( self.trail_name, key.capitalize(), key, self.name, key ) self.dec_buf1 += nested.dec_buf1 self.dec_buf2 += nested.dec_buf2 self.dec_index = nested.dec_index self.proto_buf += nested.proto_buf else: self.add_field(type(value), key, value) def from_json(self, data): self.proto_buf += "struct {} {{\n".format(self.name.capitalize()) if type(data) == dict: for key in sorted(data.keys()): self.add_to_dict(key, data[key]) self.proto_buf += "}\n" class ManualJSON(DummyProtocol): def __init__(self, data): super().__init__() self.data = data self.max_serialized_bytes = self.get_serialized_length() + 2 self.buf = "BufferOutput<> bout(buf);\n" self.buf += 'bout << "{";\n' self.from_json(data) self.buf += 'bout << "}";\n' def get_serialized_length(self): return len(json.dumps(self.data)) def can_get_serialized_length(self): return True def is_ascii(self): return True def get_buffer_declaration(self): return "char buf[{:d}];\n".format(self.max_serialized_bytes) def get_buffer_name(self): return "buf" def get_encode(self): return self.buf def get_length_var(self): return "bout.size()" def add_to_list(self, value, is_last): if type(value) == str: if len(value) and value[0] == "$": self.buf += "bout << dec << {}".format(value[1:]) else: self.buf += self.add_transition( 'bout << "\\"{}\\""'.format(value), [len(value)] ) elif type(value) == list: self.buf += 'bout << "[";\n' self.from_json(value) self.buf += 'bout << "]"' elif type(value) == dict: self.buf += 'bout << "{";\n' self.from_json(value) self.buf += 'bout << "}"' else: self.buf += "bout << {}".format(value) if is_last: self.buf += ";\n" else: self.buf += ' << ",";\n' def add_to_dict(self, key, value, is_last): if type(value) == str: if len(value) and value[0] == "$": self.buf += self.add_transition( 'bout << "\\"{}\\":" << dec << {}'.format(key, value[1:]), [len(key)], ) else: self.buf += self.add_transition( 'bout << "\\"{}\\":\\"{}\\""'.format(key, value), [len(key), len(value)], ) elif type(value) == list: self.buf += self.add_transition( 'bout << "\\"{}\\":[";\n'.format(key), [len(key)] ) self.from_json(value) self.buf += 'bout << "]"' elif type(value) == dict: # '{{' is an escaped '{' character self.buf += self.add_transition( 'bout << "\\"{}\\":{{";\n'.format(key), [len(key)] ) self.from_json(value) self.buf += 'bout << "}"' else: self.buf += self.add_transition( 'bout << "\\"{}\\":" << {}'.format(key, value), [len(key)] ) if is_last: self.buf += ";\n" else: self.buf += ' << ",";\n' def from_json(self, data): if type(data) == dict: keys = sorted(data.keys()) for key in keys: self.add_to_dict(key, data[key], key == keys[-1]) elif type(data) == list: for i, elem in enumerate(data): self.add_to_list(elem, i == len(data) - 1) class ModernJSON(DummyProtocol): def __init__(self, data, output_format="json"): super().__init__() self.data = data self.output_format = output_format self.buf = "nlohmann::json js;\n" self.from_json(data) def is_ascii(self): if self.output_format == "json": return True return False def get_buffer_name(self): return "out" def get_encode(self): return self.buf def get_serialize(self): if self.output_format == "json": return "std::string out = js.dump();\n" elif self.output_format == "bson": return "std::vector out = nlohmann::json::to_bson(js);\n" elif self.output_format == "cbor": return "std::vector out = nlohmann::json::to_cbor(js);\n" elif self.output_format == "msgpack": return "std::vector out = nlohmann::json::to_msgpack(js);\n" elif self.output_format == "ubjson": return "std::vector out = nlohmann::json::to_ubjson(js);\n" else: raise ValueError("invalid output format {}".format(self.output_format)) def get_serialized_length(self): if self.output_format == "json": return len(json.dumps(self.data)) elif self.output_format == "bson": return len(bson.BSON.encode(self.data)) elif self.output_format == "cbor": return len(cbor.dumps(self.data)) elif self.output_format == "msgpack": return len(msgpack.dumps(self.data)) elif self.output_format == "ubjson": return len(ubjson.dumpb(self.data)) else: raise ValueError("invalid output format {}".format(self.output_format)) def can_get_serialized_length(self): return True def get_length_var(self): return "out.size()" def add_to_list(self, prefix, index, value): if type(value) == str: if len(value) and value[0] == "$": self.buf += value[1:] self.buf += "{}[{:d}] = {};\n".format(prefix, index, value[1:]) else: self.buf += '{}[{:d}] = "{}";\n'.format(prefix, index, value) else: self.buf += "{}[{:d}] = {};\n".format(prefix, index, value) def add_to_dict(self, prefix, key, value): if type(value) == str: if len(value) and value[0] == "$": self.buf += '{}["{}"] = {};\n'.format(prefix, key, value[1:]) else: self.buf += '{}["{}"] = "{}";\n'.format(prefix, key, value) elif type(value) == list: self.from_json(value, '{}["{}"]'.format(prefix, key)) elif type(value) == dict: self.from_json(value, '{}["{}"]'.format(prefix, key)) else: self.buf += '{}["{}"] = {};\n'.format(prefix, key, value) def from_json(self, data, prefix="js"): if type(data) == dict: for key in sorted(data.keys()): self.add_to_dict(prefix, key, data[key]) elif type(data) == list: for i, elem in enumerate(data): self.add_to_list(prefix, i, elem) class MPack(DummyProtocol): def __init__(self, data, int_type="uint16_t", float_type="float"): super().__init__() self.data = data self.max_serialized_bytes = self.get_serialized_length() + 2 self.int_type = int_type self.float_type = float_type self.enc_buf += "mpack_writer_t writer;\n" self.enc_buf += self.add_transition( "mpack_writer_init(&writer, buf, sizeof(buf));\n", [self.max_serialized_bytes], ) self.dec_buf0 += "char strbuf[16];\n" self.from_json(data) def get_serialized_length(self): return len(msgpack.dumps(self.data)) def can_get_serialized_length(self): return True def is_ascii(self): return False def get_buffer_declaration(self): ret = "char buf[{:d}];\n".format(self.max_serialized_bytes) ret += "uint16_t serialized_size;\n" return ret def get_buffer_name(self): return "buf" def get_encode(self): return self.enc_buf def get_serialize(self): ret = "serialized_size = mpack_writer_buffer_used(&writer);\n" # OptionalTimingAnalysis and other wrappers only wrap lines ending with a ; # We therefore deliberately do not use proper if { ... } syntax here # to make sure that these two statements are timed as well. ret += "if (mpack_writer_destroy(&writer) != mpack_ok) " ret += 'kout << "Encoding failed" << endl;\n' return ret def get_deserialize(self): ret = "mpack_reader_t reader;\n" ret += self.add_transition( "mpack_reader_init_data(&reader, buf, serialized_size);\n", [self.max_serialized_bytes], ) return ret def get_decode_and_output(self): ret = 'kout << dec << "dec:";\n' ret += "char strbuf[16];\n" return ret + self.dec_buf + "kout << endl;\n" def get_decode_vars(self): return self.dec_buf0 def get_decode(self): return self.dec_buf1 def get_decode_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" def get_length_var(self): return "serialized_size" def add_value(self, value): if type(value) == str: if len(value) and value[0] == "$": self.enc_buf += "mpack_write(&writer, {});\n".format(value[1:]) self.dec_buf += "kout << mpack_expect_uint(&reader);\n" self.assign_and_kout(self.int_type, "mpack_expect_uint(&reader)") else: self.enc_buf += self.add_transition( 'mpack_write_cstr_or_nil(&writer, "{}");\n'.format(value), [len(value)], ) self.dec_buf += "mpack_expect_cstr(&reader, strbuf, sizeof(strbuf));\n" self.dec_buf += "kout << strbuf;\n" self.dec_buf1 += self.add_transition( "mpack_expect_cstr(&reader, strbuf, sizeof(strbuf));\n", [len(value)], ) self.dec_buf2 += "kout << strbuf;\n" elif type(value) == list: self.from_json(value) elif type(value) == dict: self.from_json(value) elif type(value) == int: self.enc_buf += "mpack_write(&writer, ({}){:d});\n".format( self.int_type, value ) self.dec_buf += "kout << mpack_expect_uint(&reader);\n" self.assign_and_kout(self.int_type, "mpack_expect_uint(&reader)") elif type(value) == float: self.enc_buf += "mpack_write(&writer, ({}){:f});\n".format( self.float_type, value ) self.dec_buf += "kout << mpack_expect_float(&reader);\n" self.assign_and_kout(self.float_type, "mpack_expect_float(&reader)") else: self.note_unsupported(value) def from_json(self, data): if type(data) == dict: self.enc_buf += self.add_transition( "mpack_start_map(&writer, {:d});\n".format(len(data)), [len(data)] ) self.dec_buf += "mpack_expect_map_max(&reader, {:d});\n".format(len(data)) self.dec_buf1 += self.add_transition( "mpack_expect_map_max(&reader, {:d});\n".format(len(data)), [len(data)] ) for key in sorted(data.keys()): self.enc_buf += self.add_transition( 'mpack_write_cstr(&writer, "{}");\n'.format(key), [len(key)] ) self.dec_buf += 'mpack_expect_cstr_match(&reader, "{}");\n'.format(key) self.dec_buf1 += self.add_transition( 'mpack_expect_cstr_match(&reader, "{}");\n'.format(key), [len(key)] ) self.add_value(data[key]) self.enc_buf += "mpack_finish_map(&writer);\n" self.dec_buf += "mpack_done_map(&reader);\n" self.dec_buf1 += "mpack_done_map(&reader);\n" if type(data) == list: self.enc_buf += self.add_transition( "mpack_start_array(&writer, {:d});\n".format(len(data)), [len(data)] ) self.dec_buf += "mpack_expect_array_max(&reader, {:d});\n".format(len(data)) self.dec_buf1 += self.add_transition( "mpack_expect_array_max(&reader, {:d});\n".format(len(data)), [len(data)], ) for elem in data: self.add_value(elem) self.enc_buf += "mpack_finish_array(&writer);\n" self.dec_buf += "mpack_done_array(&reader);\n" self.dec_buf1 += "mpack_done_array(&reader);\n" class NanoPB(DummyProtocol): def __init__( self, data, max_serialized_bytes=256, cardinality="required", use_maps=False, max_string_length=None, cc_prefix="", name="Benchmark", int_type="uint16_t", float_type="float", dec_index=0, ): super().__init__() self.data = data self.max_serialized_bytes = max_serialized_bytes self.cardinality = cardinality self.use_maps = use_maps self.max_strlen = max_string_length self.cc_prefix = cc_prefix self.name = name self.int_type = int_type self.proto_int_type = self.int_type_to_proto_type(int_type) self.float_type = float_type self.proto_float_type = self.float_type_to_proto_type(float_type) self.dec_index = dec_index self.fieldnum = 1 self.proto_head = ( 'syntax = "proto2";\nimport "src/app/prototest/nanopb.proto";\n\n' ) self.proto_fields = "" self.proto_options = "" self.sub_protos = [] self.cc_encoders = "" self.from_json(data) def is_ascii(self): return False def int_type_to_proto_type(self, int_type): sign = "u" if int_type[0] != "u": sign = "" if "64" in int_type: self.int_bits = 64 return sign + "int64" # Protocol Buffers only have 32 and 64 bit integers, so we default to 32 self.int_bits = 32 return sign + "int32" def float_type_to_proto_type(self, float_type): if float_type == "float": self.float_bits = 32 else: self.float_bits = 64 return float_type def get_buffer_declaration(self): ret = "uint8_t buf[{:d}];\n".format(self.max_serialized_bytes) ret += "uint16_t serialized_size;\n" return ret + self.get_cc_functions() def get_buffer_name(self): return "buf" def get_serialize(self): ret = "pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));\n" ret += "pb_encode(&stream, Benchmark_fields, &msg);\n" ret += "serialized_size = stream.bytes_written;\n" return ret def get_deserialize(self): ret = "Benchmark msg = Benchmark_init_zero;\n" ret += "pb_istream_t stream = pb_istream_from_buffer(buf, serialized_size);\n" # OptionalTimingAnalysis and other wrappers only wrap lines ending with a ; # We therefore deliberately do not use proper if { ... } syntax here # to make sure that these two statements are timed as well. ret += "if (pb_decode(&stream, Benchmark_fields, &msg) == false) " ret += 'kout << "deserialized failed" << endl;\n' return ret def get_decode_and_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf + "kout << endl;\n" def get_decode_vars(self): return self.dec_buf0 def get_decode(self): return self.dec_buf1 def get_decode_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" def get_length_var(self): return "serialized_size" def add_field(self, cardinality, fieldtype, key, value): extra = "" texttype = self.proto_int_type dectype = self.int_type if fieldtype == str: texttype = "string" elif fieldtype == float: texttype = self.proto_float_type dectype = self.float_type elif fieldtype == dict: texttype = key.capitalize() if type(value) == list: extra = "[(nanopb).max_count = {:d}]".format(len(value)) self.enc_buf += "msg.{}{}_count = {:d};\n".format( self.cc_prefix, key, len(value) ) self.proto_fields += "{} {} {} = {:d} {};\n".format( cardinality, texttype, key, self.fieldnum, extra ) self.fieldnum += 1 if fieldtype == str: if cardinality == "optional": self.enc_buf += "msg.{}has_{} = true;\n".format(self.cc_prefix, key) if self.max_strlen: self.proto_options += "{}.{} max_size:{:d}\n".format( self.name, key, self.max_strlen ) i = -1 for i, character in enumerate(value): self.enc_buf += """msg.{}{}[{:d}] = '{}';\n""".format( self.cc_prefix, key, i, character ) self.enc_buf += "msg.{}{}[{:d}] = 0;\n".format( self.cc_prefix, key, i + 1 ) self.dec_buf += "kout << msg.{}{};\n".format(self.cc_prefix, key) self.assign_and_kout("char *", "msg.{}{}".format(self.cc_prefix, key)) else: self.cc_encoders += "bool encode_{}(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)\n".format( key ) self.cc_encoders += "{\n" self.cc_encoders += ( "if (!pb_encode_tag_for_field(stream, field)) return false;\n" ) self.cc_encoders += 'return pb_encode_string(stream, (uint8_t*)"{}", {:d});\n'.format( value, len(value) ) self.cc_encoders += "}\n" self.enc_buf += "msg.{}{}.funcs.encode = encode_{};\n".format( self.cc_prefix, key, key ) self.dec_buf += "// TODO decode string {}{} via callback\n".format( self.cc_prefix, key ) self.dec_buf1 += "// TODO decode string {}{} via callback\n".format( self.cc_prefix, key ) elif fieldtype == dict: if cardinality == "optional": self.enc_buf += "msg.{}has_{} = true;\n".format(self.cc_prefix, key) # The rest is handled recursively in add_to_dict elif type(value) == list: for i, elem in enumerate(value): self.enc_buf += "msg.{}{}[{:d}] = {};\n".format( self.cc_prefix, key, i, elem ) self.dec_buf += "kout << msg.{}{}[{:d}];\n".format( self.cc_prefix, key, i ) if fieldtype == float: self.assign_and_kout( self.float_type, "msg.{}{}[{:d}]".format(self.cc_prefix, key, i) ) elif fieldtype == int: self.assign_and_kout( self.int_type, "msg.{}{}[{:d}]".format(self.cc_prefix, key, i) ) elif fieldtype == int: if cardinality == "optional": self.enc_buf += "msg.{}has_{} = true;\n".format(self.cc_prefix, key) self.enc_buf += "msg.{}{} = {};\n".format(self.cc_prefix, key, value) self.dec_buf += "kout << msg.{}{};\n".format(self.cc_prefix, key) self.assign_and_kout(self.int_type, "msg.{}{}".format(self.cc_prefix, key)) elif fieldtype == float: if cardinality == "optional": self.enc_buf += "msg.{}has_{} = true;\n".format(self.cc_prefix, key) self.enc_buf += "msg.{}{} = {};\n".format(self.cc_prefix, key, value) self.dec_buf += "kout << msg.{}{};\n".format(self.cc_prefix, key) self.assign_and_kout( self.float_type, "msg.{}{}".format(self.cc_prefix, key) ) elif fieldtype == dict: if cardinality == "optional": self.enc_buf += "msg.{}has_{} = true;\n".format(self.cc_prefix, key) self.enc_buf += "msg.{}{} = {};\n".format(self.cc_prefix, key, value) self.dec_buf += "kout << msg.{}{};\n".format(self.cc_prefix, key) self.assign_and_kout( self.float_type, "msg.{}{}".format(self.cc_prefix, key) ) else: self.note_unsupported(value) def get_proto(self): return self.proto_head + "\n\n".join(self.get_message_definitions("Benchmark")) def get_proto_options(self): return self.proto_options def get_extra_files(self): return { "nanopbbench.proto": self.get_proto(), "nanopbbench.options": self.get_proto_options(), } def get_message_definitions(self, msgname): ret = list(self.sub_protos) ret.append("message {} {{\n".format(msgname) + self.proto_fields + "}\n") return ret def get_encode(self): ret = "Benchmark msg = Benchmark_init_zero;\n" return ret + self.enc_buf def get_cc_functions(self): return self.cc_encoders def add_to_dict(self, key, value): if type(value) == str: if len(value) and value[0] == "$": self.add_field(self.cardinality, int, key, value[1:]) else: self.add_field(self.cardinality, str, key, value) elif type(value) == list: self.add_field("repeated", type(value[0]), key, value) elif type(value) == dict: nested_proto = NanoPB( value, max_string_length=self.max_strlen, cardinality=self.cardinality, use_maps=self.use_maps, cc_prefix="{}{}.".format(self.cc_prefix, key), name=key.capitalize(), int_type=self.int_type, float_type=self.float_type, dec_index=self.dec_index, ) self.sub_protos.extend( nested_proto.get_message_definitions(key.capitalize()) ) self.proto_options += nested_proto.proto_options self.cc_encoders += nested_proto.cc_encoders self.add_field(self.cardinality, dict, key, value) self.enc_buf += nested_proto.enc_buf self.dec_buf += nested_proto.dec_buf self.dec_buf0 += nested_proto.dec_buf0 self.dec_buf1 += nested_proto.dec_buf1 self.dec_buf2 += nested_proto.dec_buf2 self.dec_index = nested_proto.dec_index else: self.add_field(self.cardinality, type(value), key, value) def from_json(self, data): if type(data) == dict: for key in sorted(data.keys()): self.add_to_dict(key, data[key]) class UBJ(DummyProtocol): def __init__( self, data, max_serialized_bytes=255, int_type="uint16_t", float_type="float" ): super().__init__() self.data = data self.max_serialized_bytes = self.get_serialized_length() + 2 self.int_type = int_type self.float_type = self.parse_float_type(float_type) self.enc_buf += ( "ubjw_context_t* ctx = ubjw_open_memory(buf, buf + sizeof(buf));\n" ) self.enc_buf += "ubjw_begin_object(ctx, UBJ_MIXED, 0);\n" self.from_json("root", data) self.enc_buf += "ubjw_end(ctx);\n" def get_serialized_length(self): return len(ubjson.dumpb(self.data)) def can_get_serialized_length(self): return True def is_ascii(self): return False def parse_float_type(self, float_type): if float_type == "float": self.float_bits = 32 else: self.float_bits = 64 return float_type def get_buffer_declaration(self): ret = "uint8_t buf[{:d}];\n".format(self.max_serialized_bytes) ret += "uint16_t serialized_size;\n" return ret def get_buffer_name(self): return "buf" def get_length_var(self): return "serialized_size" def get_serialize(self): return "serialized_size = ubjw_close_context(ctx);\n" def get_encode(self): return self.enc_buf def get_deserialize(self): ret = "ubjr_context_t* ctx = ubjr_open_memory(buf, buf + serialized_size);\n" ret += "ubjr_dynamic_t dynamic_root = ubjr_read_dynamic(ctx);\n" ret += "ubjr_dynamic_t* root_values = (ubjr_dynamic_t*)dynamic_root.container_object.values;\n" return ret def get_decode_and_output(self): ret = 'kout << dec << "dec:";\n' ret += self.dec_buf ret += "kout << endl;\n" ret += "ubjr_cleanup_dynamic(&dynamic_root);\n" # This causes the data (including all strings) to be free'd ret += "ubjr_close_context(ctx);\n" return ret def get_decode_vars(self): return self.dec_buf0 def get_decode(self): return self.dec_buf1 def get_decode_output(self): ret = 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" ret += "ubjr_cleanup_dynamic(&dynamic_root);\n" ret += "ubjr_close_context(ctx);\n" return ret def add_to_list(self, root, index, value): if type(value) == str: if len(value) and value[0] == "$": self.enc_buf += "ubjw_write_integer(ctx, {});\n".format(value[1:]) self.dec_buf += "kout << {}_values[{:d}].integer;\n".format(root, index) self.assign_and_kout( self.int_type, "{}_values[{:d}].integer".format(root, index) ) else: self.enc_buf += self.add_transition( 'ubjw_write_string(ctx, "{}");\n'.format(value), [len(value)] ) self.dec_buf += "kout << {}_values[{:d}].string;\n".format(root, index) self.assign_and_kout( "char *", "{}_values[{:d}].string".format(root, index) ) elif type(value) == list: self.enc_buf += "ubjw_begin_array(ctx, UBJ_MIXED, 0);\n" self.dec_buf += "// decoding nested lists is not supported\n" self.dec_buf1 += "// decoding nested lists is not supported\n" self.from_json(root, value) self.enc_buf += "ubjw_end(ctx);\n" elif type(value) == dict: self.enc_buf += "ubjw_begin_object(ctx, UBJ_MIXED, 0);\n" self.dec_buf += "// decoding objects in lists is not supported\n" self.dec_buf1 += "// decoding objects in lists is not supported\n" self.from_json(root, value) self.enc_buf += "ubjw_end(ctx);\n" elif type(value) == float: self.enc_buf += "ubjw_write_float{:d}(ctx, {});\n".format( self.float_bits, value ) self.dec_buf += "kout << {}_values[{:d}].real;\n".format(root, index) self.assign_and_kout( self.float_type, "{}_values[{:d}].real".format(root, index) ) elif type(value) == int: self.enc_buf += "ubjw_write_integer(ctx, {});\n".format(value) self.dec_buf += "kout << {}_values[{:d}].integer;\n".format(root, index) self.assign_and_kout( self.int_type, "{}_values[{:d}].integer".format(root, index) ) else: raise TypeError("Cannot handle {} of type {}".format(value, type(value))) def add_to_dict(self, root, index, key, value): if type(value) == str: if len(value) and value[0] == "$": self.enc_buf += self.add_transition( 'ubjw_write_key(ctx, "{}"); ubjw_write_integer(ctx, {});\n'.format( key, value[1:] ), [len(key)], ) self.dec_buf += "kout << {}_values[{:d}].integer;\n".format(root, index) self.assign_and_kout( self.int_type, "{}_values[{:d}].integer".format(root, index) ) else: self.enc_buf += self.add_transition( 'ubjw_write_key(ctx, "{}"); ubjw_write_string(ctx, "{}");\n'.format( key, value ), [len(key), len(value)], ) self.dec_buf += "kout << {}_values[{:d}].string;\n".format(root, index) self.assign_and_kout( "char *", "{}_values[{:d}].string".format(root, index) ) elif type(value) == list: self.enc_buf += self.add_transition( 'ubjw_write_key(ctx, "{}"); ubjw_begin_array(ctx, UBJ_MIXED, 0);\n'.format( key ), [len(key)], ) self.dec_buf += "ubjr_dynamic_t *{}_values = (ubjr_dynamic_t*){}_values[{:d}].container_array.values;\n".format( key, root, index ) self.dec_buf1 += "ubjr_dynamic_t *{}_values = (ubjr_dynamic_t*){}_values[{:d}].container_array.values;\n".format( key, root, index ) self.from_json(key, value) self.enc_buf += "ubjw_end(ctx);\n" elif type(value) == dict: self.enc_buf += self.add_transition( 'ubjw_write_key(ctx, "{}"); ubjw_begin_object(ctx, UBJ_MIXED, 0);\n'.format( key ), [len(key)], ) self.dec_buf += "ubjr_dynamic_t *{}_values = (ubjr_dynamic_t*){}_values[{:d}].container_object.values;\n".format( key, root, index ) self.dec_buf1 += "ubjr_dynamic_t *{}_values = (ubjr_dynamic_t*){}_values[{:d}].container_object.values;\n".format( key, root, index ) self.from_json(key, value) self.enc_buf += "ubjw_end(ctx);\n" elif type(value) == float: self.enc_buf += self.add_transition( 'ubjw_write_key(ctx, "{}"); ubjw_write_float{:d}(ctx, {});\n'.format( key, self.float_bits, value ), [len(key)], ) self.dec_buf += "kout << {}_values[{:d}].real;\n".format(root, index) self.assign_and_kout( self.float_type, "{}_values[{:d}].real".format(root, index) ) elif type(value) == int: self.enc_buf += self.add_transition( 'ubjw_write_key(ctx, "{}"); ubjw_write_integer(ctx, {});\n'.format( key, value ), [len(key)], ) self.dec_buf += "kout << {}_values[{:d}].integer;\n".format(root, index) self.assign_and_kout( self.int_type, "{}_values[{:d}].integer".format(root, index) ) else: raise TypeError("Cannot handle {} of type {}".format(value, type(value))) def from_json(self, root, data): if type(data) == dict: keys = sorted(data.keys()) for i, key in enumerate(keys): self.add_to_dict(root, i, key, data[key]) elif type(data) == list: for i, elem in enumerate(data): self.add_to_list(root, i, elem) class XDR(DummyProtocol): def __init__( self, data, max_serialized_bytes=256, int_type="uint16_t", float_type="float" ): super().__init__() self.data = data self.max_serialized_bytes = 256 self.enc_int_type = int_type self.dec_int_type = self.parse_int_type(int_type) self.float_type = self.parse_float_type(float_type) self.enc_buf += "XDRWriter xdrstream(buf);\n" self.dec_buf += "XDRReader xdrinput(buf);\n" self.dec_buf0 += "XDRReader xdrinput(buf);\n" # By default, XDR does not even include a version / protocol specifier. # This seems rather impractical -> emulate that here. # self.enc_buf += 'xdrstream << (uint32_t)22075;\n' self.dec_buf += "char strbuf[16];\n" # self.dec_buf += 'xdrinput.get_uint32();\n' self.dec_buf0 += "char strbuf[16];\n" # self.dec_buf0 += 'xdrinput.get_uint32();\n' self.from_json(data) def is_ascii(self): return False def parse_int_type(self, int_type): sign = "" if int_type[0] == "u": sign = "u" if "64" in int_type: self.int_bits = 64 return sign + "int64" else: self.int_bits = 32 return sign + "int32" def parse_float_type(self, float_type): if float_type == "float": self.float_bits = 32 else: self.float_bits = 64 return float_type def get_buffer_declaration(self): ret = "uint16_t serialized_size;\n" ret += "char buf[{:d}];\n".format(self.max_serialized_bytes) return ret def get_buffer_name(self): return "buf" def get_length_var(self): return "xdrstream.size()" def get_encode(self): return self.enc_buf def get_decode_and_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf + "kout << endl;\n" def get_decode_vars(self): return self.dec_buf0 def get_decode(self): return self.dec_buf1 def get_decode_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" def from_json(self, data): if type(data) == dict: for key in sorted(data.keys()): self.from_json(data[key]) elif type(data) == list: self.enc_buf += "xdrstream.setNextArrayLen({});\n".format(len(data)) self.enc_buf += "xdrstream.setVariableLength();\n" self.enc_buf += "xdrstream.startList();\n" self.dec_buf += "xdrinput.get_uint32();\n" self.dec_buf1 += "xdrinput.get_uint32();\n" for elem in data: self.from_json(elem) elif type(data) == str: if len(data) and data[0] == "$": self.enc_buf += "xdrstream.put(({}){});\n".format( self.enc_int_type, data[1:] ) self.dec_buf += "kout << xdrinput.get_{}();\n".format(self.dec_int_type) self.dec_buf0 += "{} dec_{};\n".format( self.enc_int_type, self.dec_index ) self.dec_buf1 += "dec_{} = xdrinput.get_{}();;\n".format( self.dec_index, self.dec_int_type ) self.dec_buf2 += "kout << dec_{};\n".format(self.dec_index) else: # Kodierte Strings haben nicht immer ein Nullbyte am Ende self.enc_buf += "xdrstream.setNextArrayLen({});\n".format(len(data)) self.enc_buf += "xdrstream.setVariableLength();\n" self.enc_buf += self.add_transition( 'xdrstream.put("{}");\n'.format(data), [len(data)] ) self.dec_buf += "xdrinput.get_string(strbuf);\n" self.dec_buf += "kout << strbuf;\n" self.dec_buf1 += "xdrinput.get_string(strbuf);\n" self.dec_buf2 += "kout << strbuf;\n" elif type(data) == float: self.enc_buf += "xdrstream.put(({}){});\n".format(self.float_type, data) self.dec_buf += "kout << xdrinput.get_{}();\n".format(self.float_type) self.dec_buf0 += "{} dec_{};\n".format(self.float_type, self.dec_index) self.dec_buf1 += "dec_{} = xdrinput.get_{}();\n".format( self.dec_index, self.float_type ) self.dec_buf2 += "kout << dec_{};\n".format(self.dec_index) elif type(data) == int: self.enc_buf += "xdrstream.put(({}){});\n".format(self.enc_int_type, data) self.dec_buf += "kout << xdrinput.get_{}();\n".format(self.dec_int_type) self.dec_buf0 += "{} dec_{};\n".format(self.enc_int_type, self.dec_index) self.dec_buf1 += "dec_{} = xdrinput.get_{}();\n".format( self.dec_index, self.dec_int_type ) self.dec_buf2 += "kout << dec_{};\n".format(self.dec_index) else: self.enc_buf += "xdrstream.put({});\n".format(data) self.dec_buf += "// unsupported type {} of {}\n".format(type(data), data) self.dec_buf1 += "// unsupported type {} of {}\n".format(type(data), data) self.dec_index += 1 class XDR16(DummyProtocol): def __init__( self, data, max_serialized_bytes=256, int_type="uint16_t", float_type="float" ): super().__init__() self.data = data self.max_serialized_bytes = 256 self.enc_int_type = int_type self.dec_int_type = self.parse_int_type(int_type) self.float_type = self.parse_float_type(float_type) self.enc_buf += "XDRWriter xdrstream(buf);\n" self.dec_buf += "XDRReader xdrinput(buf);\n" self.dec_buf0 += "XDRReader xdrinput(buf);\n" # By default, XDR does not even include a version / protocol specifier. # This seems rather impractical -> emulate that here. # self.enc_buf += 'xdrstream << (uint32_t)22075;\n' self.dec_buf += "char strbuf[16];\n" # self.dec_buf += 'xdrinput.get_uint32();\n' self.dec_buf0 += "char strbuf[16];\n" # self.dec_buf0 += 'xdrinput.get_uint32();\n' self.from_json(data) def is_ascii(self): return False def parse_int_type(self, int_type): sign = "" if int_type[0] == "u": sign = "u" if "64" in int_type: self.int_bits = 64 return sign + "int64" if "32" in int_type: self.int_bits = 32 return sign + "int32" else: self.int_bits = 16 return sign + "int16" def parse_float_type(self, float_type): if float_type == "float": self.float_bits = 32 else: self.float_bits = 64 return float_type def get_buffer_declaration(self): ret = "uint16_t serialized_size;\n" ret += "char buf[{:d}];\n".format(self.max_serialized_bytes) return ret def get_buffer_name(self): return "buf" def get_length_var(self): return "xdrstream.size()" def get_encode(self): return self.enc_buf def get_decode_and_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf + "kout << endl;\n" def get_decode_vars(self): return self.dec_buf0 def get_decode(self): return self.dec_buf1 def get_decode_output(self): return 'kout << dec << "dec:";\n' + self.dec_buf2 + "kout << endl;\n" def from_json(self, data): if type(data) == dict: for key in sorted(data.keys()): self.from_json(data[key]) elif type(data) == list: self.enc_buf += "xdrstream.setNextArrayLen({});\n".format(len(data)) self.enc_buf += "xdrstream.setVariableLength();\n" self.enc_buf += "xdrstream.startList();\n" self.dec_buf += "xdrinput.get_uint16();\n" self.dec_buf1 += "xdrinput.get_uint16();\n" for elem in data: self.from_json(elem) elif type(data) == str: if len(data) and data[0] == "$": self.enc_buf += "xdrstream.put(({}){});\n".format( self.enc_int_type, data[1:] ) self.dec_buf += "kout << xdrinput.get_{}();\n".format(self.dec_int_type) self.dec_buf0 += "{} dec_{};\n".format( self.enc_int_type, self.dec_index ) self.dec_buf1 += "dec_{} = xdrinput.get_{}();;\n".format( self.dec_index, self.dec_int_type ) self.dec_buf2 += "kout << dec_{};\n".format(self.dec_index) else: # Kodierte Strings haben nicht immer ein Nullbyte am Ende self.enc_buf += "xdrstream.setNextArrayLen({});\n".format(len(data)) self.enc_buf += "xdrstream.setVariableLength();\n" self.enc_buf += self.add_transition( 'xdrstream.put("{}");\n'.format(data), [len(data)] ) self.dec_buf += "xdrinput.get_string(strbuf);\n" self.dec_buf += "kout << strbuf;\n" self.dec_buf1 += "xdrinput.get_string(strbuf);\n" self.dec_buf2 += "kout << strbuf;\n" elif type(data) == float: self.enc_buf += "xdrstream.put(({}){});\n".format(self.float_type, data) self.dec_buf += "kout << xdrinput.get_{}();\n".format(self.float_type) self.dec_buf0 += "{} dec_{};\n".format(self.float_type, self.dec_index) self.dec_buf1 += "dec_{} = xdrinput.get_{}();\n".format( self.dec_index, self.float_type ) self.dec_buf2 += "kout << dec_{};\n".format(self.dec_index) elif type(data) == int: self.enc_buf += "xdrstream.put(({}){});\n".format(self.enc_int_type, data) self.dec_buf += "kout << xdrinput.get_{}();\n".format(self.dec_int_type) self.dec_buf0 += "{} dec_{};\n".format(self.enc_int_type, self.dec_index) self.dec_buf1 += "dec_{} = xdrinput.get_{}();\n".format( self.dec_index, self.dec_int_type ) self.dec_buf2 += "kout << dec_{};\n".format(self.dec_index) else: self.enc_buf += "xdrstream.put({});\n".format(data) self.dec_buf += "// unsupported type {} of {}\n".format(type(data), data) self.dec_buf1 += "// unsupported type {} of {}\n".format(type(data), data) self.dec_index += 1 class Benchmark: def __init__(self, logfile): self.atomic = True self.logfile = logfile def __enter__(self): self.atomic = False with FileLock(self.logfile + ".lock"): if os.path.exists(self.logfile): with open(self.logfile, "rb") as f: self.data = ubjson.load(f) else: self.data = {} return self def __exit__(self, exc_type, exc_value, exc_traceback): with FileLock(self.logfile + ".lock"): with open(self.logfile, "wb") as f: ubjson.dump(self.data, f) def _add_log_entry( self, benchmark_data, arch, libkey, bench_name, bench_index, data, key, value, error, ): if not libkey in benchmark_data: benchmark_data[libkey] = dict() if not bench_name in benchmark_data[libkey]: benchmark_data[libkey][bench_name] = dict() if not bench_index in benchmark_data[libkey][bench_name]: benchmark_data[libkey][bench_name][bench_index] = dict() this_result = benchmark_data[libkey][bench_name][bench_index] # data is unset for log(...) calls from postprocessing if data != None: this_result["data"] = data if value != None: this_result[key] = {"v": value, "ts": int(time.time())} print( "{} {} {} ({}) :: {} -> {}".format( libkey, bench_name, bench_index, data, key, value ) ) else: this_result[key] = {"e": error, "ts": int(time.time())} print( "{} {} {} ({}) :: {} -> [E] {}".format( libkey, bench_name, bench_index, data, key, error[:500] ) ) def log( self, arch, library, library_options, bench_name, bench_index, data, key, value=None, error=None, ): if not library_options: library_options = [] libkey = "{}:{}:{}".format(arch, library, ",".join(library_options)) # JSON does not differentiate between int and str keys -> always use # str(bench_index) bench_index = str(bench_index) if self.atomic: with FileLock(self.logfile + ".lock"): if os.path.exists(self.logfile): with open(self.logfile, "rb") as f: benchmark_data = ubjson.load(f) else: benchmark_data = {} self._add_log_entry( benchmark_data, arch, libkey, bench_name, bench_index, data, key, value, error, ) with open(self.logfile, "wb") as f: ubjson.dump(benchmark_data, f) else: self._add_log_entry( self.data, arch, libkey, bench_name, bench_index, data, key, value, error, ) def get_snapshot(self): with FileLock(self.logfile + ".lock"): if os.path.exists(self.logfile): with open(self.logfile, "rb") as f: benchmark_data = ubjson.load(f) else: benchmark_data = {} return benchmark_data def codegen_for_lib(library, library_options, data): if library == "arduinojson": return ArduinoJSON(data, bufsize=512) if library == "avro": strip_schema = bool(int(library_options[0])) return Avro(data, strip_schema=strip_schema) if library == "capnproto_c": packed = bool(int(library_options[0])) return CapnProtoC(data, packed=packed) if library == "manualjson": return ManualJSON(data) if library == "modernjson": (dataformat,) = library_options return ModernJSON(data, dataformat) if library == "mpack": return MPack(data) if library == "nanopb": cardinality, strbuf = library_options if not len(strbuf) or strbuf == "0": strbuf = None else: strbuf = int(strbuf) return NanoPB(data, cardinality=cardinality, max_string_length=strbuf) if library == "thrift": return Thrift(data) if library == "ubjson": return UBJ(data) if library == "xdr": return XDR(data) if library == "xdr16": return XDR16(data) raise ValueError("Unsupported library: {}".format(library)) def shorten_call(snippet, lib): """ Remove literal arguments and variable names from ProtoBench function calls. This provides some generalization when modeling individual function calls, thus avoiding overfitting in AnalyticModel and the likes. """ # The following adjustments are protobench-specific # "xdrstream << (uint16_t)123" -> "xdrstream << (uint16_t" if "xdrstream << (" in snippet: snippet = snippet.split(")")[0] # "xdrstream << variable << ..." -> "xdrstream << variable" elif "xdrstream << variable" in snippet: snippet = "<<".join(snippet.split("<<")[0:2]) elif "xdrstream.setNextArrayLen(" in snippet: snippet = "xdrstream.setNextArrayLen" elif "ubjw" in snippet: snippet = re.sub( "ubjw_write_key\(ctx, [^)]+\)", "ubjw_write_key(ctx, ?)", snippet ) snippet = re.sub( "ubjw_write_([^(]+)\(ctx, [^)]+\)", "ubjw_write_\\1(ctx, ?)", snippet ) # mpack_write(&writer, (type)value) -> mpack_write(&writer, (type elif "mpack_write(" in snippet: snippet = snippet.split(")")[0] # mpack_write_cstr(&writer, "foo") -> mpack_write_cstr(&writer, # same for mpack_write_cstr_or_nil elif "mpack_write_cstr" in snippet: snippet = snippet.split('"')[0] # mpack_start_map(&writer, x) -> mpack_start_map(&writer # mpack_start_array(&writer, x) -> mpack_start_array(&writer elif "mpack_start_" in snippet: snippet = snippet.split(",")[0] # elif 'bout <<' in snippet: # if '\\":\\"' in snippet: # snippet = 'bout << key:str' # elif 'bout << "\\"' in snippet: # snippet = 'bout << key' # else: # snippet = 'bout << other' elif "msg." in snippet: snippet = re.sub("msg.(?:[^[]+)(?:\[.*?\])? = .*", "msg.? = ?", snippet) elif lib == "arduinojson:": snippet = re.sub( 'ArduinoJson::JsonObject& [^ ]+ = [^.]+.createNestedObject\([^")]*\);', "ArduinoJson::JsonObject& ? = ?.createNestedObject();", snippet, ) snippet = re.sub( 'ArduinoJson::JsonObject& [^ ]+ = [^.]+.createNestedObject\("[^")]*"\);', "ArduinoJson::JsonObject& ? = ?.createNestedObject(?);", snippet, ) snippet = re.sub( 'ArduinoJson::JsonArray& [^ ]+ = [^.]+.createNestedArray\([^")]*\);', "ArduinoJson::JsonArray& ? = ?.createNestedArray();", snippet, ) snippet = re.sub( 'ArduinoJson::JsonArray& [^ ]+ = [^.]+.createNestedArray\("[^")]*"\);', "ArduinoJson::JsonArray& ? = ?.createNestedArray(?);", snippet, ) snippet = re.sub('root[^[]*\["[^"]*"\] = [^";]+', 'root?["?"] = ?', snippet) snippet = re.sub('root[^[]*\["[^"]*"\] = "[^"]+"', 'root?["?"] = "?"', snippet) snippet = re.sub("rootl.add\([^)]*\)", "rootl.add(?)", snippet) snippet = re.sub("^dec_[^ ]*", "dec_?", snippet) if lib == "arduinojson:": snippet = re.sub('root[^[]*\[[^]"]+\]\.as', "root[?].as", snippet) snippet = re.sub('root[^[]*\["[^]]+"\]\.as', 'root["?"].as', snippet) elif "nanopb:" in lib: snippet = re.sub("= msg\.[^;]+;", "= msg.?;", snippet) elif lib == "mpack:": snippet = re.sub( "mpack_expect_([^_]+)_max\(&reader, [^)]+\)", "mpack_expect_\\1_max(&reader, ?)", snippet, ) elif lib == "ubjson:": snippet = re.sub("[^_ ]+_values[^.]+\.", "?_values[?].", snippet) return snippet