/Users/deen/code/yugabyte-db/src/yb/rpc/lightweight_message.cc

Source (jump to first uncovered line)
// Copyright (c) YugaByte, Inc.
//
// Licensed 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.
//

#include "yb/rpc/lightweight_message.h"

#include <google/protobuf/message.h>

#include "yb/util/pb_util.h"
#include "yb/util/size_literals.h"

using namespace yb::size_literals;

// Maximum size of RPC should be larger than size of consensus batch
// At each layer, we embed the "message" from the previous layer.
// In order to send three strings of 64, the request from cql/redis will be larger
// than that because we will have overheads from that layer.
// Hence, we have a limit of 254MB at the consensus layer.
// The rpc layer adds its own headers, so we limit the rpc message size to 255MB.
DEFINE_uint64(rpc_max_message_size, 255_MB,
              "The maximum size of a message of any RPC that the server will accept.");

using google::protobuf::internal::WireFormatLite;
using google::protobuf::io::CodedOutputStream;

namespace yb {
namespace rpc {

namespace {

inline bool SliceRead(google::protobuf::io::CodedInputStream* input, Slice* out) {
  uint32_t length;
  if (!input->ReadVarint32(&length)) {
    return false;
  }
  const void* data;
  int size;
  input->GetDirectBufferPointerInline(&data, &size);
  if (!input->Skip(length)) {
    return false;
  }
  *out = Slice(static_cast<const char*>(data), length);
  return true;
}

inline size_t SliceSize(Slice value) {
  uint32_t size = narrow_cast<uint32_t>(value.size());
  return CodedOutputStream::VarintSize32(size) + size;
}

inline uint8_t* SliceWrite(Slice value, uint8_t* out) {
  uint32_t size = narrow_cast<uint32_t>(value.size());
  out = CodedOutputStream::WriteVarint32ToArray(size, out);
  memcpy(out, value.data(), size);
  return out + size;
}

} // namespace

Status LightweightMessage::ParseFromSlice(const Slice& slice) {
  google::protobuf::io::CodedInputStream in(slice.data(), narrow_cast<int>(slice.size()));
  SetupLimit(&in);
  return ParseFromCodedStream(&in);
}

std::string LightweightMessage::SerializeAsString() const {
  size_t size = SerializedSize();
  std::string result;
  result.resize(size);
  SerializeToArray(pointer_cast<uint8_t*>(const_cast<char*>(result.data())));
  return result;
}

std::string LightweightMessage::ShortDebugString() const {
  std::string result;
  AppendToDebugString(&result);
  return result;
}

Status AnyMessagePtr::ParseFromSlice(const Slice& slice) {
  if (is_lightweight()) {
    return lightweight()->ParseFromSlice(slice);
  }

  google::protobuf::io::CodedInputStream in(slice.data(), narrow_cast<int>(slice.size()));
  SetupLimit(&in);
  auto* proto = protobuf();
  if (PREDICT_FALSE(!proto->ParseFromCodedStream(&in))) {
    return STATUS(InvalidArgument, proto->InitializationErrorString());
  }
  return Status::OK();
}

size_t AnyMessageConstPtr::SerializedSize() const {
  return is_lightweight() ? lightweight()->SerializedSize()2 : protobuf()->ByteSizeLong()292M;
}

Result<uint8_t*> AnyMessageConstPtr::SerializeToArray(uint8_t* out) const {
  if (is_lightweight()) {
    return lightweight()->SerializeToArray(out);
  }

  auto* proto = protobuf();
  if (PREDICT_FALSE(!proto->IsInitialized())) {
    return STATUS_FORMAT(InvalidArgument, "RPC argument missing required fields: $0 ($1)",
                         proto->InitializationErrorString(), proto->ShortDebugString());
  }

  return proto->SerializeWithCachedSizesToArray(out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_DOUBLE, double>::Read(
    google::protobuf::io::CodedInputStream* input, double* out) {
  return input->ReadLittleEndian64(reinterpret_cast<uint64_t*>(out));
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_DOUBLE, double>::Write(
    double value, uint8_t* out) {
  return CodedOutputStream::WriteLittleEndian64ToArray(*reinterpret_cast<uint64*>(&value), out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_FLOAT, float>::Read(
    google::protobuf::io::CodedInputStream* input, float* out) {
  return input->ReadLittleEndian32(reinterpret_cast<uint32_t*>(out));
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_FLOAT, float>::Write(
    float value, uint8_t* out) {
  return CodedOutputStream::WriteLittleEndian32ToArray(*reinterpret_cast<uint32*>(&value), out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_INT64, int64_t>::Read(
    google::protobuf::io::CodedInputStream* input, int64_t* out) {
  return input->ReadVarint64(reinterpret_cast<uint64_t*>(out));
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_INT64, int64_t>::Write(
    int64_t value, uint8_t* out) {
  return CodedOutputStream::WriteVarint64ToArray(value, out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_INT64, int64_t>::Size(int64_t value) {
  return CodedOutputStream::VarintSize64(value);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_UINT64, uint64_t>::Read(
    google::protobuf::io::CodedInputStream* input, uint64_t* out) {
  return input->ReadVarint64(out);
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_UINT64, uint64_t>::Write(
    uint64_t value, uint8_t* out) {
  return CodedOutputStream::WriteVarint64ToArray(value, out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_UINT64, uint64_t>::Size(uint64_t value) {
  return CodedOutputStream::VarintSize64(value);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_INT32, int32_t>::Read(
    google::protobuf::io::CodedInputStream* input, int32_t* out) {
  return input->ReadVarint32(reinterpret_cast<uint32_t*>(out));
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_INT32, int32_t>::Write(
    int32_t value, uint8_t* out) {
  return CodedOutputStream::WriteVarint32ToArray(value, out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_INT32, int32_t>::Size(int32_t value) {
  return CodedOutputStream::VarintSize32(value);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_FIXED64, uint64_t>::Read(
    google::protobuf::io::CodedInputStream* input, uint64_t* out) {
  return input->ReadLittleEndian64(out);
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_FIXED64, uint64_t>::Write(
    uint64_t value, uint8_t* out) {
  return CodedOutputStream::WriteLittleEndian64ToArray(value, out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_FIXED32, uint32_t>::Read(
    google::protobuf::io::CodedInputStream* input, uint32_t* out) {
  return input->ReadLittleEndian32(out);
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_FIXED32, uint32_t>::Write(
    uint32_t value, uint8_t* out) {
  return CodedOutputStream::WriteLittleEndian32ToArray(value, out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_BOOL, bool>::Read(
    google::protobuf::io::CodedInputStream* input, bool* out) {
  uint64 temp;
  if (!input->ReadVarint64(&temp)) {
    return false;
  }
  *out = temp != 0;
  return true;
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_BOOL, bool>::Write(
    bool value, uint8_t* out) {
  return CodedOutputStream::WriteVarint64ToArray(value, out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_UINT32, uint32_t>::Read(
    google::protobuf::io::CodedInputStream* input, uint32_t* out) {
  return input->ReadVarint32(out);
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_UINT32, uint32_t>::Write(
    uint32_t value, uint8_t* out) {
  return CodedOutputStream::WriteVarint32ToArray(value, out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_UINT32, uint32_t>::Size(uint32_t value) {
  return CodedOutputStream::VarintSize32(value);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_BYTES, Slice>::Read(
    google::protobuf::io::CodedInputStream* input, Slice* out) {
  return SliceRead(input, out);
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_BYTES, Slice>::Write(
    Slice value, uint8_t* out) {
  return SliceWrite(value, out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_BYTES, Slice>::Size(Slice value) {
  return SliceSize(value);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_STRING, Slice>::Read(
    google::protobuf::io::CodedInputStream* input, Slice* out) {
  return SliceRead(input, out);
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_STRING, Slice>::Write(
    Slice value, uint8_t* out) {
  return SliceWrite(value, out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_STRING, Slice>::Size(
    Slice value) {
  return SliceSize(value);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_SFIXED32, int32_t>::Read(
    google::protobuf::io::CodedInputStream* input, int32_t* out) {
  return input->ReadLittleEndian32(reinterpret_cast<uint32_t*>(out));
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_SFIXED32, int32_t>::Write(
    int32_t value, uint8_t* out) {
  return CodedOutputStream::WriteLittleEndian32ToArray(value, out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_SFIXED64, int64_t>::Read(
    google::protobuf::io::CodedInputStream* input, int64_t* out) {
  return input->ReadLittleEndian64(reinterpret_cast<uint64_t*>(out));
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_SFIXED64, int64_t>::Write(
    int64_t value, uint8_t* out) {
  return CodedOutputStream::WriteLittleEndian64ToArray(value, out);
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_SINT32, int32_t>::Read(
    google::protobuf::io::CodedInputStream* input, int32_t* out) {
  uint32_t temp;
  if (!input->ReadVarint32(&temp)) {
    return false;
  }
  *out = WireFormatLite::ZigZagDecode32(temp);
  return true;
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_SINT32, int32_t>::Write(
    int32_t value, uint8_t* out) {
  return CodedOutputStream::WriteVarint32ToArray(WireFormatLite::ZigZagEncode32(value), out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_SINT32, int32_t>::Size(int32_t value) {
  return CodedOutputStream::VarintSize32(WireFormatLite::ZigZagEncode32(value));
}

template <>
bool LightweightSerialization<WireFormatLite::TYPE_SINT64, int64_t>::Read(
    google::protobuf::io::CodedInputStream* input, int64_t* out) {
  uint64_t temp;
  if (!input->ReadVarint64(&temp)) {
    return false;
  }
  *out = WireFormatLite::ZigZagDecode64(temp);
  return true;
}

template <>
uint8_t* LightweightSerialization<WireFormatLite::TYPE_SINT64, int64_t>::Write(
    int64_t value, uint8_t* out) {
  return CodedOutputStream::WriteVarint64ToArray(WireFormatLite::ZigZagEncode64(value), out);
}

template <>
size_t LightweightSerialization<WireFormatLite::TYPE_SINT64, int64_t>::Size(int64_t value) {
  return CodedOutputStream::VarintSize64(WireFormatLite::ZigZagEncode64(value));
}

void AppendFieldTitle(const char* name, const char* suffix, bool* first, std::string* out) {
  if (*first) {
    *first = false;
  } else {
    *out += ' ';
  }
  *out += name;
  *out += suffix;
}

CHECKED_STATUS ParseFailed(const char* field_name) {
  return STATUS_FORMAT(Corruption, "Failed to parse '$0'", field_name);
}

void SetupLimit(google::protobuf::io::CodedInputStream* in) {
  in->SetTotalBytesLimit(narrow_cast<int>(FLAGS_rpc_max_message_size),
                         narrow_cast<int>(FLAGS_rpc_max_message_size * 3 / 4));
}

} // namespace rpc
} // namespace yb

YugabyteDB (2.13.1.0-b60, 21121d69985fbf76aa6958d8f04a9bfa936293b5)

Coverage Report

Created: 2022-03-22 16:43

Line	Count	Source (jump to first uncovered line)
1		// Copyright (c) YugaByte, Inc.
2		//
3		// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
4		// in compliance with the License. You may obtain a copy of the License at
5		//
6		// http://www.apache.org/licenses/LICENSE-2.0
7		//
8		// Unless required by applicable law or agreed to in writing, software distributed under the License
9		// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
10		// or implied. See the License for the specific language governing permissions and limitations
11		// under the License.
12		//
13
14		#include "yb/rpc/lightweight_message.h"
15
16		#include <google/protobuf/message.h>
17
18		#include "yb/util/pb_util.h"
19		#include "yb/util/size_literals.h"
20
21		using namespace yb::size_literals;
22
23		// Maximum size of RPC should be larger than size of consensus batch
24		// At each layer, we embed the "message" from the previous layer.
25		// In order to send three strings of 64, the request from cql/redis will be larger
26		// than that because we will have overheads from that layer.
27		// Hence, we have a limit of 254MB at the consensus layer.
28		// The rpc layer adds its own headers, so we limit the rpc message size to 255MB.
29		DEFINE_uint64(rpc_max_message_size, 255_MB,
30		"The maximum size of a message of any RPC that the server will accept.");
31
32		using google::protobuf::internal::WireFormatLite;
33		using google::protobuf::io::CodedOutputStream;
34
35		namespace yb {
36		namespace rpc {
37
38		namespace {
39
40	178	inline bool SliceRead(google::protobuf::io::CodedInputStream* input, Slice* out) {
41	178	uint32_t length;
42	178	if (!input->ReadVarint32(&length)) {
43	0	return false;
44	0	}
45	178	const void* data;
46	178	int size;
47	178	input->GetDirectBufferPointerInline(&data, &size);
48	178	if (!input->Skip(length)) {
49	0	return false;
50	0	}
51	178	out = Slice(static_cast<const char>(data), length);
52	178	return true;
53	178	}
54
55	502	inline size_t SliceSize(Slice value) {
56	502	uint32_t size = narrow_cast<uint32_t>(value.size());
57	502	return CodedOutputStream::VarintSize32(size) + size;
58	502	}
59
60	251	inline uint8_t* SliceWrite(Slice value, uint8_t* out) {
61	251	uint32_t size = narrow_cast<uint32_t>(value.size());
62	251	out = CodedOutputStream::WriteVarint32ToArray(size, out);
63	251	memcpy(out, value.data(), size);
64	251	return out + size;
65	251	}
66
67		} // namespace
68
69	1	Status LightweightMessage::ParseFromSlice(const Slice& slice) {
70	1	google::protobuf::io::CodedInputStream in(slice.data(), narrow_cast<int>(slice.size()));
71	1	SetupLimit(&in);
72	1	return ParseFromCodedStream(&in);
73	1	}
74
75	0	std::string LightweightMessage::SerializeAsString() const {
76	0	size_t size = SerializedSize();
77	0	std::string result;
78	0	result.resize(size);
79	0	SerializeToArray(pointer_cast<uint8_t>(const_cast<char>(result.data())));
80	0	return result;
81	0	}
82
83	5	std::string LightweightMessage::ShortDebugString() const {
84	5	std::string result;
85	5	AppendToDebugString(&result);
86	5	return result;
87	5	}
88
89	72.2M	Status AnyMessagePtr::ParseFromSlice(const Slice& slice) {
90	72.2M	if (is_lightweight()) {
91	0	return lightweight()->ParseFromSlice(slice);
92	0	}
93
94	72.2M	google::protobuf::io::CodedInputStream in(slice.data(), narrow_cast<int>(slice.size()));
95	72.2M	SetupLimit(&in);
96	72.2M	auto* proto = protobuf();
97	72.2M	if (PREDICT_FALSE(!proto->ParseFromCodedStream(&in))) {
98	0	return STATUS(InvalidArgument, proto->InitializationErrorString());
99	0	}
100	72.2M	return Status::OK();
101	72.2M	}
102
103	292M	size_t AnyMessageConstPtr::SerializedSize() const {
104	292M	return is_lightweight() ? lightweight()->SerializedSize()2 : protobuf()->ByteSizeLong()292M ;
105	292M	}
106
107	146M	Result<uint8_t> AnyMessageConstPtr::SerializeToArray(uint8_t out) const {
108	146M	if (is_lightweight()) {
109	1	return lightweight()->SerializeToArray(out);
110	1	}
111
112	146M	auto* proto = protobuf();
113	146M	if (PREDICT_FALSE(!proto->IsInitialized())) {
114	1	return STATUS_FORMAT(InvalidArgument, "RPC argument missing required fields: $0 ($1)",
115	1	proto->InitializationErrorString(), proto->ShortDebugString());
116	1	}
117
118	146M	return proto->SerializeWithCachedSizesToArray(out);
119	146M	}
120
121		template <>
122		bool LightweightSerialization<WireFormatLite::TYPE_DOUBLE, double>::Read(
123	1	google::protobuf::io::CodedInputStream* input, double* out) {
124	1	return input->ReadLittleEndian64(reinterpret_cast<uint64_t*>(out));
125	1	}
126
127		template <>
128		uint8_t* LightweightSerialization<WireFormatLite::TYPE_DOUBLE, double>::Write(
129	1	double value, uint8_t* out) {
130	1	return CodedOutputStream::WriteLittleEndian64ToArray(reinterpret_cast<uint64>(&value), out);
131	1	}
132
133		template <>
134		bool LightweightSerialization<WireFormatLite::TYPE_FLOAT, float>::Read(
135	1	google::protobuf::io::CodedInputStream* input, float* out) {
136	1	return input->ReadLittleEndian32(reinterpret_cast<uint32_t*>(out));
137	1	}
138
139		template <>
140		uint8_t* LightweightSerialization<WireFormatLite::TYPE_FLOAT, float>::Write(
141	1	float value, uint8_t* out) {
142	1	return CodedOutputStream::WriteLittleEndian32ToArray(reinterpret_cast<uint32>(&value), out);
143	1	}
144
145		template <>
146		bool LightweightSerialization<WireFormatLite::TYPE_INT64, int64_t>::Read(
147	12	google::protobuf::io::CodedInputStream* input, int64_t* out) {
148	12	return input->ReadVarint64(reinterpret_cast<uint64_t*>(out));
149	12	}
150
151		template <>
152		uint8_t* LightweightSerialization<WireFormatLite::TYPE_INT64, int64_t>::Write(
153	12	int64_t value, uint8_t* out) {
154	12	return CodedOutputStream::WriteVarint64ToArray(value, out);
155	12	}
156
157		template <>
158	24	size_t LightweightSerialization<WireFormatLite::TYPE_INT64, int64_t>::Size(int64_t value) {
159	24	return CodedOutputStream::VarintSize64(value);
160	24	}
161
162		template <>
163		bool LightweightSerialization<WireFormatLite::TYPE_UINT64, uint64_t>::Read(
164	128	google::protobuf::io::CodedInputStream* input, uint64_t* out) {
165	128	return input->ReadVarint64(out);
166	128	}
167
168		template <>
169		uint8_t* LightweightSerialization<WireFormatLite::TYPE_UINT64, uint64_t>::Write(
170	128	uint64_t value, uint8_t* out) {
171	128	return CodedOutputStream::WriteVarint64ToArray(value, out);
172	128	}
173
174		template <>
175	256	size_t LightweightSerialization<WireFormatLite::TYPE_UINT64, uint64_t>::Size(uint64_t value) {
176	256	return CodedOutputStream::VarintSize64(value);
177	256	}
178
179		template <>
180		bool LightweightSerialization<WireFormatLite::TYPE_INT32, int32_t>::Read(
181	1	google::protobuf::io::CodedInputStream* input, int32_t* out) {
182	1	return input->ReadVarint32(reinterpret_cast<uint32_t*>(out));
183	1	}
184
185		template <>
186		uint8_t* LightweightSerialization<WireFormatLite::TYPE_INT32, int32_t>::Write(
187	1	int32_t value, uint8_t* out) {
188	1	return CodedOutputStream::WriteVarint32ToArray(value, out);
189	1	}
190
191		template <>
192	2	size_t LightweightSerialization<WireFormatLite::TYPE_INT32, int32_t>::Size(int32_t value) {
193	2	return CodedOutputStream::VarintSize32(value);
194	2	}
195
196		template <>
197		bool LightweightSerialization<WireFormatLite::TYPE_FIXED64, uint64_t>::Read(
198	1	google::protobuf::io::CodedInputStream* input, uint64_t* out) {
199	1	return input->ReadLittleEndian64(out);
200	1	}
201
202		template <>
203		uint8_t* LightweightSerialization<WireFormatLite::TYPE_FIXED64, uint64_t>::Write(
204	1	uint64_t value, uint8_t* out) {
205	1	return CodedOutputStream::WriteLittleEndian64ToArray(value, out);
206	1	}
207
208		template <>
209		bool LightweightSerialization<WireFormatLite::TYPE_FIXED32, uint32_t>::Read(
210	58	google::protobuf::io::CodedInputStream* input, uint32_t* out) {
211	58	return input->ReadLittleEndian32(out);
212	58	}
213
214		template <>
215		uint8_t* LightweightSerialization<WireFormatLite::TYPE_FIXED32, uint32_t>::Write(
216	48	uint32_t value, uint8_t* out) {
217	48	return CodedOutputStream::WriteLittleEndian32ToArray(value, out);
218	48	}
219
220		template <>
221		bool LightweightSerialization<WireFormatLite::TYPE_BOOL, bool>::Read(
222	0	google::protobuf::io::CodedInputStream* input, bool* out) {
223	0	uint64 temp;
224	0	if (!input->ReadVarint64(&temp)) {
225	0	return false;
226	0	}
227	0	*out = temp != 0;
228	0	return true;
229	0	}
230
231		template <>
232		uint8_t* LightweightSerialization<WireFormatLite::TYPE_BOOL, bool>::Write(
233	0	bool value, uint8_t* out) {
234	0	return CodedOutputStream::WriteVarint64ToArray(value, out);
235	0	}
236
237		template <>
238		bool LightweightSerialization<WireFormatLite::TYPE_UINT32, uint32_t>::Read(
239	12	google::protobuf::io::CodedInputStream* input, uint32_t* out) {
240	12	return input->ReadVarint32(out);
241	12	}
242
243		template <>
244		uint8_t* LightweightSerialization<WireFormatLite::TYPE_UINT32, uint32_t>::Write(
245	22	uint32_t value, uint8_t* out) {
246	22	return CodedOutputStream::WriteVarint32ToArray(value, out);
247	22	}
248
249		template <>
250	44	size_t LightweightSerialization<WireFormatLite::TYPE_UINT32, uint32_t>::Size(uint32_t value) {
251	44	return CodedOutputStream::VarintSize32(value);
252	44	}
253
254		template <>
255		bool LightweightSerialization<WireFormatLite::TYPE_BYTES, Slice>::Read(
256	122	google::protobuf::io::CodedInputStream* input, Slice* out) {
257	122	return SliceRead(input, out);
258	122	}
259
260		template <>
261		uint8_t* LightweightSerialization<WireFormatLite::TYPE_BYTES, Slice>::Write(
262	188	Slice value, uint8_t* out) {
263	188	return SliceWrite(value, out);
264	188	}
265
266		template <>
267	376	size_t LightweightSerialization<WireFormatLite::TYPE_BYTES, Slice>::Size(Slice value) {
268	376	return SliceSize(value);
269	376	}
270
271		template <>
272		bool LightweightSerialization<WireFormatLite::TYPE_STRING, Slice>::Read(
273	56	google::protobuf::io::CodedInputStream* input, Slice* out) {
274	56	return SliceRead(input, out);
275	56	}
276
277		template <>
278		uint8_t* LightweightSerialization<WireFormatLite::TYPE_STRING, Slice>::Write(
279	63	Slice value, uint8_t* out) {
280	63	return SliceWrite(value, out);
281	63	}
282
283		template <>
284		size_t LightweightSerialization<WireFormatLite::TYPE_STRING, Slice>::Size(
285	126	Slice value) {
286	126	return SliceSize(value);
287	126	}
288
289		template <>
290		bool LightweightSerialization<WireFormatLite::TYPE_SFIXED32, int32_t>::Read(
291	12	google::protobuf::io::CodedInputStream* input, int32_t* out) {
292	12	return input->ReadLittleEndian32(reinterpret_cast<uint32_t*>(out));
293	12	}
294
295		template <>
296		uint8_t* LightweightSerialization<WireFormatLite::TYPE_SFIXED32, int32_t>::Write(
297	18	int32_t value, uint8_t* out) {
298	18	return CodedOutputStream::WriteLittleEndian32ToArray(value, out);
299	18	}
300
301		template <>
302		bool LightweightSerialization<WireFormatLite::TYPE_SFIXED64, int64_t>::Read(
303	1	google::protobuf::io::CodedInputStream* input, int64_t* out) {
304	1	return input->ReadLittleEndian64(reinterpret_cast<uint64_t*>(out));
305	1	}
306
307		template <>
308		uint8_t* LightweightSerialization<WireFormatLite::TYPE_SFIXED64, int64_t>::Write(
309	1	int64_t value, uint8_t* out) {
310	1	return CodedOutputStream::WriteLittleEndian64ToArray(value, out);
311	1	}
312
313		template <>
314		bool LightweightSerialization<WireFormatLite::TYPE_SINT32, int32_t>::Read(
315	144	google::protobuf::io::CodedInputStream* input, int32_t* out) {
316	144	uint32_t temp;
317	144	if (!input->ReadVarint32(&temp)) {
318	0	return false;
319	0	}
320	144	*out = WireFormatLite::ZigZagDecode32(temp);
321	144	return true;
322	144	}
323
324		template <>
325		uint8_t* LightweightSerialization<WireFormatLite::TYPE_SINT32, int32_t>::Write(
326	222	int32_t value, uint8_t* out) {
327	222	return CodedOutputStream::WriteVarint32ToArray(WireFormatLite::ZigZagEncode32(value), out);
328	222	}
329
330		template <>
331	444	size_t LightweightSerialization<WireFormatLite::TYPE_SINT32, int32_t>::Size(int32_t value) {
332	444	return CodedOutputStream::VarintSize32(WireFormatLite::ZigZagEncode32(value));
333	444	}
334
335		template <>
336		bool LightweightSerialization<WireFormatLite::TYPE_SINT64, int64_t>::Read(
337	1	google::protobuf::io::CodedInputStream* input, int64_t* out) {
338	1	uint64_t temp;
339	1	if (!input->ReadVarint64(&temp)) {
340	0	return false;
341	0	}
342	1	*out = WireFormatLite::ZigZagDecode64(temp);
343	1	return true;
344	1	}
345
346		template <>
347		uint8_t* LightweightSerialization<WireFormatLite::TYPE_SINT64, int64_t>::Write(
348	1	int64_t value, uint8_t* out) {
349	1	return CodedOutputStream::WriteVarint64ToArray(WireFormatLite::ZigZagEncode64(value), out);
350	1	}
351
352		template <>
353	2	size_t LightweightSerialization<WireFormatLite::TYPE_SINT64, int64_t>::Size(int64_t value) {
354	2	return CodedOutputStream::VarintSize64(WireFormatLite::ZigZagEncode64(value));
355	2	}
356
357	3.08k	void AppendFieldTitle(const char* name, const char* suffix, bool* first, std::string* out) {
358	3.08k	if (*first) {
359	137	*first = false;
360	2.94k	} else {
361	2.94k	*out += ' ';
362	2.94k	}
363	3.08k	*out += name;
364	3.08k	*out += suffix;
365	3.08k	}
366
367	0	CHECKED_STATUS ParseFailed(const char* field_name) {
368	0	return STATUS_FORMAT(Corruption, "Failed to parse '$0'", field_name);
369	0	}
370
371	285M	void SetupLimit(google::protobuf::io::CodedInputStream* in) {
372	285M	in->SetTotalBytesLimit(narrow_cast<int>(FLAGS_rpc_max_message_size),
373	285M	narrow_cast<int>(FLAGS_rpc_max_message_size * 3 / 4));
374	285M	}
375
376		} // namespace rpc
377		} // namespace yb