GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/pack.cc
Date: 2025-11-30 02:35:17
Exec Total Coverage
Lines: 283 307 92.2%
Branches: 202 332 60.8%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM File System.
3 */
4
5 #include "pack.h"
6
7 #include <algorithm>
8 #include <cassert>
9 #include <cstring>
10 #include <map>
11
12 #include "util/concurrency.h"
13 #include "util/exception.h"
14 #include "util/platform.h"
15 #include "util/smalloc.h"
16 #include "util/string.h"
17
18 using namespace std; // NOLINT
19
20 namespace { // some private utility functions used by ObjectPackProducer
21
22 1184 void InitializeHeader(const int version, const int num_objects,
23 const size_t pack_size, std::string *header) {
24
1/2
✓ Branch 0 taken 1184 times.
✗ Branch 1 not taken.
 1184 if (header) {
25
2/4
✓ Branch 2 taken 1184 times.
✗ Branch 3 not taken.
✓ Branch 5 taken 1184 times.
✗ Branch 6 not taken.
 1184 *header = "V" + StringifyInt(version) + "\n";
26
3/6
✓ Branch 2 taken 1184 times.
✗ Branch 3 not taken.
✓ Branch 5 taken 1184 times.
✗ Branch 6 not taken.
✓ Branch 8 taken 1184 times.
✗ Branch 9 not taken.
 1184 *header += "S" + StringifyInt(pack_size) + "\n";
27
3/6
✓ Branch 2 taken 1184 times.
✗ Branch 3 not taken.
✓ Branch 5 taken 1184 times.
✗ Branch 6 not taken.
✓ Branch 8 taken 1184 times.
✗ Branch 9 not taken.
 1184 *header += "N" + StringifyInt(num_objects) + "\n";
28 1184 *header += "--\n";
29 }
30 1184 }
31
32 102164 void AppendItemToHeader(ObjectPack::BucketContentType object_type,
33 const std::string &hash_str, const size_t object_size,
34 const std::string &object_name, std::string *header) {
35 // If the item type is kName, the "item_name" parameter should not be empty
36
4/6
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 102119 times.
✓ Branch 2 taken 45 times.
✗ Branch 3 not taken.
✓ Branch 5 taken 45 times.
✗ Branch 6 not taken.
 102164 assert((object_type == ObjectPack::kCas)
37 || ((object_type == ObjectPack::kNamed) && (!object_name.empty())));
38
1/2
✓ Branch 2 taken 102164 times.
✗ Branch 3 not taken.
 102164 std::string line_prefix = "";
39
1/2
✓ Branch 2 taken 102164 times.
✗ Branch 3 not taken.
 102164 std::string line_suffix = "";
40
2/3
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 102119 times.
✗ Branch 2 not taken.
 102164 switch (object_type) {
41 45 case ObjectPack::kNamed:
42
1/2
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
 45 line_prefix = "N ";
43
3/6
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
✓ Branch 5 taken 45 times.
✗ Branch 6 not taken.
✓ Branch 8 taken 45 times.
✗ Branch 9 not taken.
 45 line_suffix = std::string(" ") + Base64Url(object_name);
44 45 break;
45 102119 case ObjectPack::kCas:
46
1/2
✓ Branch 1 taken 102119 times.
✗ Branch 2 not taken.
 102119 line_prefix = "C ";
47 102119 break;
48 ✗ default:
49 ✗ PANIC(kLogStderr, "Unknown object pack type to be added to header.");
50 }
51
1/2
✓ Branch 0 taken 102164 times.
✗ Branch 1 not taken.
 102164 if (header) {
52
4/8
✓ Branch 1 taken 102164 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 102164 times.
✗ Branch 5 not taken.
✓ Branch 7 taken 102164 times.
✗ Branch 8 not taken.
✓ Branch 10 taken 102164 times.
✗ Branch 11 not taken.
 204328 *header += line_prefix + hash_str + " " + StringifyInt(object_size)
53
3/6
✓ Branch 1 taken 102164 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 102164 times.
✗ Branch 5 not taken.
✓ Branch 7 taken 102164 times.
✗ Branch 8 not taken.
 102164 + line_suffix + "\n";
54 }
55 102164 }
56
57 } // namespace
58
59 1505567 ObjectPack::Bucket::Bucket()
60 1505567 : content(reinterpret_cast<unsigned char *>(smalloc(kInitialSize)))
61 1505567 , size(0)
62 1505567 , capacity(kInitialSize)
63 1505567 , content_type(kEmpty)
64 3011134 , name() { }
65
66 5402 void ObjectPack::Bucket::Add(const void *buf, const uint64_t buf_size) {
67
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5402 times.
 5402 if (buf_size == 0)
68 ✗ return;
69
70
2/2
✓ Branch 0 taken 61660 times.
✓ Branch 1 taken 5402 times.
 67062 while (size + buf_size > capacity) {
71 61660 capacity *= 2;
72 61660 content = reinterpret_cast<unsigned char *>(srealloc(content, capacity));
73 }
74 5402 memcpy(content + size, buf, buf_size);
75 5402 size += buf_size;
76 }
77
78 1505567 ObjectPack::Bucket::~Bucket() { free(content); }
79
80 //------------------------------------------------------------------------------
81
82 927 ObjectPack::ObjectPack(const uint64_t limit) : limit_(limit), size_(0) {
83 927 InitLock();
84 927 }
85
86 914 ObjectPack::~ObjectPack() {
87 1828 for (std::set<BucketHandle>::const_iterator i = open_buckets_.begin(),
88 914 iEnd = open_buckets_.end();
89
2/2
✓ Branch 1 taken 990 times.
✓ Branch 2 taken 914 times.
 1904 i != iEnd;
90 990 ++i) {
91
1/2
✓ Branch 1 taken 990 times.
✗ Branch 2 not taken.
 990 delete *i;
92 }
93
94
2/2
✓ Branch 1 taken 1504517 times.
✓ Branch 2 taken 914 times.
 1505431 for (unsigned i = 0; i < buckets_.size(); ++i)
95
1/2
✓ Branch 1 taken 1504517 times.
✗ Branch 2 not taken.
 1504517 delete buckets_[i];
96 914 pthread_mutex_destroy(lock_);
97 914 free(lock_);
98 914 }
99
100 1277 void ObjectPack::AddToBucket(const void *buf, const uint64_t size,
101 const ObjectPack::BucketHandle handle) {
102 1277 handle->Add(buf, size);
103 1277 }
104
105 1505552 ObjectPack::BucketHandle ObjectPack::NewBucket() {
106
2/4
✓ Branch 1 taken 1505552 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 1505552 times.
✗ Branch 5 not taken.
 1505552 BucketHandle handle = new Bucket();
107
108 1505552 const MutexLockGuard mutex_guard(lock_);
109
1/2
✓ Branch 1 taken 1505552 times.
✗ Branch 2 not taken.
 1505552 open_buckets_.insert(handle);
110 1505552 return handle;
111 1505552 }
112
113 /**
114 * Can only fail due to insufficient remaining space in the ObjectPack.
115 */
116 1505730 bool ObjectPack::CommitBucket(const BucketContentType type,
117 const shash::Any &id,
118 const ObjectPack::BucketHandle handle,
119 const std::string &name) {
120 1505730 handle->id = id;
121
122 1505730 handle->content_type = type;
123
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1505730 times.
 1505730 if (type == kNamed) {
124 ✗ handle->name = name;
125 }
126
127 1505730 const MutexLockGuard mutex_guard(lock_);
128
2/2
✓ Branch 1 taken 15 times.
✓ Branch 2 taken 1505715 times.
 1505730 if (buckets_.size() >= kMaxObjects)
129 15 return false;
130
2/2
✓ Branch 0 taken 1198 times.
✓ Branch 1 taken 1504517 times.
 1505715 if (size_ + handle->size > limit_)
131 1198 return false;
132
1/2
✓ Branch 1 taken 1504517 times.
✗ Branch 2 not taken.
 1504517 open_buckets_.erase(handle);
133
1/2
✓ Branch 1 taken 1504517 times.
✗ Branch 2 not taken.
 1504517 buckets_.push_back(handle);
134 1504517 size_ += handle->size;
135 1504517 return true;
136 1505730 }
137
138 45 void ObjectPack::DiscardBucket(const BucketHandle handle) {
139 45 const MutexLockGuard mutex_guard(lock_);
140
1/2
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
 45 open_buckets_.erase(handle);
141
1/2
✓ Branch 0 taken 45 times.
✗ Branch 1 not taken.
 45 delete handle;
142 45 }
143
144 927 void ObjectPack::InitLock() {
145 927 lock_ = reinterpret_cast<pthread_mutex_t *>(smalloc(sizeof(pthread_mutex_t)));
146 927 const int retval = pthread_mutex_init(lock_, NULL);
147
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 927 times.
 927 assert(retval == 0);
148 927 }
149
150 /**
151 * If a commit failed, an open Bucket can be transferred to another ObjectPack
152 * with more space.
153 */
154 301 void ObjectPack::TransferBucket(const ObjectPack::BucketHandle handle,
155 ObjectPack *other) {
156 301 const MutexLockGuard mutex_guard(lock_);
157
1/2
✓ Branch 1 taken 301 times.
✗ Branch 2 not taken.
 301 open_buckets_.erase(handle);
158
1/2
✓ Branch 1 taken 301 times.
✗ Branch 2 not taken.
 301 other->open_buckets_.insert(handle);
159 301 }
160
161 567292 unsigned char *ObjectPack::BucketContent(size_t idx) const {
162
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 567292 times.
 567292 assert(idx < buckets_.size());
163 567292 return buckets_[idx]->content;
164 }
165
166 669411 uint64_t ObjectPack::BucketSize(size_t idx) const {
167
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 669411 times.
 669411 assert(idx < buckets_.size());
168 669411 return buckets_[idx]->size;
169 }
170
171 102119 const shash::Any &ObjectPack::BucketId(size_t idx) const {
172
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 102119 times.
 102119 assert(idx < buckets_.size());
173 102119 return buckets_[idx]->id;
174 }
175
176 //------------------------------------------------------------------------------
177
178 /**
179 * Hash over the header. The hash algorithm needs to be provided by hash.
180 */
181 1083 void ObjectPackProducer::GetDigest(shash::Any *hash) {
182
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1083 times.
 1083 assert(hash);
183 1083 shash::HashString(header_, hash);
184 1083 }
185
186 1139 ObjectPackProducer::ObjectPackProducer(ObjectPack *pack)
187 1139 : pack_(pack), big_file_(NULL), pos_(0), idx_(0), pos_in_bucket_(0) {
188 1139 const unsigned N = pack->GetNoObjects();
189 // rough guess, most likely a little too much
190
1/2
✓ Branch 1 taken 1139 times.
✗ Branch 2 not taken.
 1139 header_.reserve(30 + N * (2 * shash::kMaxDigestSize + 5));
191
192
1/2
✓ Branch 2 taken 1139 times.
✗ Branch 3 not taken.
 1139 InitializeHeader(2, N, pack->size(), &header_);
193
194
2/2
✓ Branch 0 taken 102119 times.
✓ Branch 1 taken 1139 times.
 103258 for (unsigned i = 0; i < N; ++i) {
195
3/6
✓ Branch 2 taken 102119 times.
✗ Branch 3 not taken.
✓ Branch 7 taken 102119 times.
✗ Branch 8 not taken.
✓ Branch 10 taken 102119 times.
✗ Branch 11 not taken.
 102119 AppendItemToHeader(ObjectPack::kCas, pack->BucketId(i).ToString(true),
196 pack->BucketSize(i), "", &header_);
197 }
198 1139 }
199
200 45 ObjectPackProducer::ObjectPackProducer(const shash::Any &id, FILE *big_file,
201 45 const std::string &file_name)
202 45 : pack_(NULL), big_file_(big_file), pos_(0), idx_(0), pos_in_bucket_(0) {
203 45 const int fd = fileno(big_file_);
204
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 45 times.
 45 assert(fd >= 0);
205 platform_stat64 info;
206 45 const int retval = platform_fstat(fd, &info);
207
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 45 times.
 45 assert(retval == 0);
208
209
1/2
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
 45 InitializeHeader(2, 1, info.st_size, &header_);
210
211
2/4
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 45 times.
✗ Branch 5 not taken.
 45 AppendItemToHeader(ObjectPack::kNamed, id.ToString(true), info.st_size,
212 file_name, &header_);
213
214
1/2
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
 45 rewind(big_file);
215 45 }
216
217 /**
218 * Copies as many bytes as possible into buf. If the returned number of bytes
219 * is shorter than buf_size, everything has been produced.
220 */
221 470479 unsigned ObjectPackProducer::ProduceNext(const unsigned buf_size,
222 unsigned char *buf) {
223 470479 const unsigned remaining_in_header = (pos_ < header_.size())
224 4934 ? (header_.size() - pos_)
225
2/2
✓ Branch 0 taken 4934 times.
✓ Branch 1 taken 465545 times.
 475413 : 0;
226 470479 const unsigned nbytes_header = std::min(remaining_in_header, buf_size);
227
2/2
✓ Branch 0 taken 4934 times.
✓ Branch 1 taken 465545 times.
 470479 if (nbytes_header) {
228 4934 memcpy(buf, header_.data() + pos_, nbytes_header);
229 4934 pos_ += nbytes_header;
230 }
231
232 470479 unsigned remaining_in_buf = buf_size - nbytes_header;
233
2/2
✓ Branch 0 taken 3795 times.
✓ Branch 1 taken 466684 times.
 470479 if (remaining_in_buf == 0)
234 3795 return nbytes_header;
235 466684 unsigned nbytes_payload = 0;
236
237
2/2
✓ Branch 0 taken 285 times.
✓ Branch 1 taken 466399 times.
 466684 if (big_file_) {
238
1/2
✓ Branch 1 taken 285 times.
✗ Branch 2 not taken.
 285 const size_t nbytes = fread(buf + nbytes_header, 1, remaining_in_buf,
239 big_file_);
240 285 nbytes_payload = nbytes;
241 285 pos_ += nbytes_payload;
242
2/2
✓ Branch 1 taken 466282 times.
✓ Branch 2 taken 117 times.
 466399 } else if (idx_ < pack_->GetNoObjects()) {
243 // Copy a few buckets more
244
6/6
✓ Branch 0 taken 568371 times.
✓ Branch 1 taken 465203 times.
✓ Branch 3 taken 567292 times.
✓ Branch 4 taken 1079 times.
✓ Branch 5 taken 567292 times.
✓ Branch 6 taken 466282 times.
 1033574 while ((remaining_in_buf) > 0 && (idx_ < pack_->GetNoObjects())) {
245 567292 const unsigned remaining_in_bucket = pack_->BucketSize(idx_)
246 567292 - pos_in_bucket_;
247 567292 const unsigned nbytes = std::min(remaining_in_buf, remaining_in_bucket);
248 1134584 memcpy(buf + nbytes_header + nbytes_payload,
249 567292 pack_->BucketContent(idx_) + pos_in_bucket_, nbytes);
250
251 567292 pos_in_bucket_ += nbytes;
252 567292 nbytes_payload += nbytes;
253 567292 remaining_in_buf -= nbytes;
254
2/2
✓ Branch 0 taken 102119 times.
✓ Branch 1 taken 465173 times.
 567292 if (nbytes == remaining_in_bucket) {
255 102119 pos_in_bucket_ = 0;
256 102119 idx_++;
257 }
258 }
259 }
260
261 466684 return nbytes_header + nbytes_payload;
262 }
263
264 //------------------------------------------------------------------------------
265
266 1098 ObjectPackConsumer::ObjectPackConsumer(const shash::Any &expected_digest,
267 1098 const unsigned expected_header_size)
268 1098 : expected_digest_(expected_digest)
269 1098 , expected_header_size_(expected_header_size)
270 1098 , pos_(0)
271 1098 , idx_(0)
272 1098 , pos_in_object_(0)
273 1098 , pos_in_accu_(0)
274 1098 , state_(ObjectPackBuild::kStateContinue)
275 1098 , size_(0) {
276 // Upper limit of 100B per entry
277
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1098 times.
 1098 if (expected_header_size > (100 * ObjectPack::kMaxObjects)) {
278 ✗ state_ = ObjectPackBuild::kStateHeaderTooBig;
279 ✗ return;
280 }
281
282
1/2
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
 1098 raw_header_.reserve(expected_header_size);
283 }
284
285 /**
286 * At the end of the function, pos_ will have progressed by buf_size (unless
287 * the buffer contains trailing garbage bytes.
288 */
289 469788 ObjectPackBuild::State ObjectPackConsumer::ConsumeNext(
290 const unsigned buf_size, const unsigned char *buf) {
291
2/2
✓ Branch 0 taken 1005 times.
✓ Branch 1 taken 468783 times.
 469788 if (buf_size == 0)
292 1005 return state_;
293
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 468783 times.
 468783 if (state_ == ObjectPackBuild::kStateDone) {
294 ✗ state_ = ObjectPackBuild::kStateTrailingBytes;
295 ✗ return state_;
296 }
297
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 468783 times.
 468783 if (state_ != ObjectPackBuild::kStateContinue)
298 ✗ return state_;
299
300
2/2
✓ Branch 0 taken 3663 times.
✓ Branch 1 taken 465120 times.
 468783 const unsigned remaining_in_header = (pos_ < expected_header_size_)
301 3663 ? (expected_header_size_ - pos_)
302 : 0;
303 468783 const unsigned nbytes_header = std::min(remaining_in_header, buf_size);
304
2/2
✓ Branch 0 taken 3663 times.
✓ Branch 1 taken 465120 times.
 468783 if (nbytes_header) {
305
2/4
✓ Branch 2 taken 3663 times.
✗ Branch 3 not taken.
✓ Branch 5 taken 3663 times.
✗ Branch 6 not taken.
 3663 raw_header_ += string(reinterpret_cast<const char *>(buf), nbytes_header);
306 3663 pos_ += nbytes_header;
307 }
308
309
2/2
✓ Branch 0 taken 2565 times.
✓ Branch 1 taken 466218 times.
 468783 if (pos_ < expected_header_size_)
310 2565 return ObjectPackBuild::kStateContinue;
311
312 // This condition can only be true once through the lifetime of the
313 // Consumer.
314
3/4
✓ Branch 0 taken 1098 times.
✓ Branch 1 taken 465120 times.
✓ Branch 2 taken 1098 times.
✗ Branch 3 not taken.
 466218 if (nbytes_header && (pos_ == expected_header_size_)) {
315
1/2
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
 1098 shash::Any digest(expected_digest_.algorithm);
316
1/2
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
 1098 shash::HashString(raw_header_, &digest);
317
2/4
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 1098 times.
 1098 if (digest != expected_digest_) {
318 ✗ state_ = ObjectPackBuild::kStateCorrupt;
319 30 return state_;
320 } else {
321
1/2
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
 1098 const bool retval = ParseHeader();
322
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1098 times.
 1098 if (!retval) {
323 ✗ state_ = ObjectPackBuild::kStateBadFormat;
324 ✗ return state_;
325 }
326 // We don't need the raw string anymore
327 1098 raw_header_.clear();
328 }
329
330 // Empty pack?
331
6/6
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 1053 times.
✓ Branch 3 taken 30 times.
✓ Branch 4 taken 15 times.
✓ Branch 5 taken 30 times.
✓ Branch 6 taken 1068 times.
 1098 if ((buf_size == nbytes_header) && (index_.size() == 0)) {
332 30 state_ = ObjectPackBuild::kStateDone;
333 30 return state_;
334 }
335 }
336
337 466188 const unsigned remaining_in_buf = buf_size - nbytes_header;
338 466188 const unsigned char *payload = buf + nbytes_header;
339
1/2
✓ Branch 1 taken 466188 times.
✗ Branch 2 not taken.
 466188 return ConsumePayload(remaining_in_buf, payload);
340 }
341
342 /**
343 * Informs listeners for small complete objects. For large objects, buffers
344 * the
345 * input into reasonably sized chunks. buf can contain both a chunk of data
346 * that needs to be added to the consumer's accumulator and a bunch of
347 * complete small objects. We use the accumulator only if necessary to avoid
348 * unnecessary memory copies.
349 */
350 466188 ObjectPackBuild::State ObjectPackConsumer::ConsumePayload(
351 const unsigned buf_size, const unsigned char *buf) {
352 466188 uint64_t pos_in_buf = 0;
353 1100796 while ((idx_ < index_.size())
354
8/8
✓ Branch 0 taken 1099728 times.
✓ Branch 1 taken 1068 times.
✓ Branch 2 taken 465135 times.
✓ Branch 3 taken 634593 times.
✓ Branch 5 taken 15 times.
✓ Branch 6 taken 465120 times.
✓ Branch 7 taken 634608 times.
✓ Branch 8 taken 466188 times.
 1100796 && ((pos_in_buf < buf_size) || (index_[idx_].size == 0))) {
355 // Fill the accumulator or process next small object
356 uint64_t nbytes; // How many bytes are consumed in this iteration
357 634608 const uint64_t remaining_in_buf = buf_size - pos_in_buf;
358 634608 const uint64_t remaining_in_object = index_[idx_].size - pos_in_object_;
359 634608 const bool is_small_rest = remaining_in_buf < kAccuSize;
360
361 // We use the accumulator if there is already something in or if we have a
362 // small piece of data of a larger object.
363 634608 nbytes = std::min(remaining_in_object, remaining_in_buf);
364
2/2
✓ Branch 0 taken 484473 times.
✓ Branch 1 taken 150135 times.
 634608 if ((pos_in_accu_ > 0)
365
4/4
✓ Branch 0 taken 384510 times.
✓ Branch 1 taken 99963 times.
✓ Branch 2 taken 69555 times.
✓ Branch 3 taken 314955 times.
 484473 || ((remaining_in_buf < remaining_in_object) && is_small_rest)) {
366 219690 const uint64_t remaining_in_accu = kAccuSize - pos_in_accu_;
367 219690 nbytes = std::min(remaining_in_accu, nbytes);
368 219690 memcpy(accumulator_ + pos_in_accu_, buf + pos_in_buf, nbytes);
369 219690 pos_in_accu_ += nbytes;
370
4/4
✓ Branch 0 taken 152220 times.
✓ Branch 1 taken 67470 times.
✓ Branch 2 taken 2085 times.
✓ Branch 3 taken 150135 times.
 219690 if ((pos_in_accu_ == kAccuSize) || (nbytes == remaining_in_object)) {
371
1/2
✓ Branch 1 taken 69555 times.
✗ Branch 2 not taken.
 69555 NotifyListeners(ObjectPackBuild::Event(
372
1/2
✓ Branch 3 taken 69555 times.
✗ Branch 4 not taken.
 69555 index_[idx_].id, index_[idx_].size, pos_in_accu_, accumulator_,
373 69555 index_[idx_].entry_type, index_[idx_].entry_name));
374 69555 pos_in_accu_ = 0;
375 }
376 219690 } else { // directly trigger listeners using buf
377
1/2
✓ Branch 1 taken 414918 times.
✗ Branch 2 not taken.
 414918 NotifyListeners(ObjectPackBuild::Event(
378
1/2
✓ Branch 3 taken 414918 times.
✗ Branch 4 not taken.
 414918 index_[idx_].id, index_[idx_].size, nbytes, buf + pos_in_buf,
379 414918 index_[idx_].entry_type, index_[idx_].entry_name));
380 }
381
382 634608 pos_in_buf += nbytes;
383 634608 pos_in_object_ += nbytes;
384
2/2
✓ Branch 0 taken 102063 times.
✓ Branch 1 taken 532545 times.
 634608 if (nbytes == remaining_in_object) {
385 102063 idx_++;
386 102063 pos_in_object_ = 0;
387 }
388 }
389
390 466188 pos_ += buf_size;
391
392
2/2
✓ Branch 1 taken 1068 times.
✓ Branch 2 taken 465120 times.
 466188 if (idx_ == index_.size())
393
1/2
✓ Branch 0 taken 1068 times.
✗ Branch 1 not taken.
 1068 state_ = (pos_in_buf == buf_size) ? ObjectPackBuild::kStateDone
394 : ObjectPackBuild::kStateTrailingBytes;
395 else
396 465120 state_ = ObjectPackBuild::kStateContinue;
397 466188 return state_;
398 }
399
400 1098 bool ObjectPackConsumer::ParseHeader() {
401 1098 map<char, string> header;
402 const unsigned char *data = reinterpret_cast<const unsigned char *>(
403 1098 raw_header_.data());
404
1/2
✓ Branch 2 taken 1098 times.
✗ Branch 3 not taken.
 1098 ParseKeyvalMem(data, raw_header_.size(), &header);
405
2/5
✓ Branch 2 taken 1098 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
✓ Branch 6 taken 1098 times.
 1098 if (header.find('V') == header.end())
406 ✗ return false;
407
3/7
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 1098 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 1098 times.
 1098 if (header['V'] != "2")
408 ✗ return false;
409
2/4
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 1098 times.
✗ Branch 5 not taken.
 1098 size_ = String2Uint64(header['S']);
410
2/4
✓ Branch 1 taken 1098 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 1098 times.
✗ Branch 5 not taken.
 1098 const unsigned nobjects = String2Uint64(header['N']);
411
412
2/2
✓ Branch 0 taken 30 times.
✓ Branch 1 taken 1068 times.
 1098 if (nobjects == 0)
413 30 return true;
414
415 // Build the object index
416 1068 const size_t separator_idx = raw_header_.find("--\n");
417
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1068 times.
 1068 if (separator_idx == string::npos)
418 ✗ return false;
419 1068 unsigned index_idx = separator_idx + 3;
420
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1068 times.
 1068 if (index_idx >= raw_header_.size())
421 ✗ return false;
422
423 1068 uint64_t sum_size = 0;
424 do {
425 102063 const unsigned remaining_in_header = raw_header_.size() - index_idx;
426 204126 const string line = GetLineMem(raw_header_.data() + index_idx,
427
1/2
✓ Branch 2 taken 102063 times.
✗ Branch 3 not taken.
 102063 remaining_in_header);
428
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 102063 times.
 102063 if (line == "")
429 ✗ break;
430
431
1/2
✓ Branch 1 taken 102063 times.
✗ Branch 2 not taken.
 102063 IndexEntry entry;
432
2/4
✓ Branch 1 taken 102063 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 102063 times.
 102063 if (!ParseItem(line, &entry, &sum_size)) {
433 ✗ break;
434 }
435
436
1/2
✓ Branch 1 taken 102063 times.
✗ Branch 2 not taken.
 102063 index_.push_back(entry);
437 102063 index_idx += line.size() + 1;
438
4/6
✓ Branch 1 taken 102063 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 102063 times.
✗ Branch 5 not taken.
✓ Branch 7 taken 100995 times.
✓ Branch 8 taken 1068 times.
 204126 } while (index_idx < raw_header_.size());
439
440
2/4
✓ Branch 1 taken 1068 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1068 times.
✗ Branch 4 not taken.
 1068 return (nobjects == index_.size()) && (size_ == sum_size);
441 1098 }
442
443 102063 bool ObjectPackConsumer::ParseItem(const std::string &line,
444 ObjectPackConsumer::IndexEntry *entry,
445 uint64_t *sum_size) {
446
2/4
✓ Branch 0 taken 102063 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 102063 times.
 102063 if (!entry || !sum_size) {
447 ✗ return false;
448 }
449
450
2/2
✓ Branch 1 taken 102048 times.
✓ Branch 2 taken 15 times.
 102063 if (line[0] == 'C') { // CAS blob
451 102048 const ObjectPack::BucketContentType entry_type = ObjectPack::kCas;
452
453 // We could use SplitString but we can have many lines so we do something
454 // more efficient here
455 102048 const size_t separator = line.find(' ', 2);
456
3/6
✓ Branch 0 taken 102048 times.
✗ Branch 1 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 102048 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 102048 times.
 102048 if ((separator == string::npos) || (separator == (line.size() - 1))) {
457 ✗ return false;
458 }
459
460
2/4
✓ Branch 1 taken 102048 times.
✗ Branch 2 not taken.
✓ Branch 4 taken 102048 times.
✗ Branch 5 not taken.
 102048 const uint64_t size = String2Uint64(line.substr(separator + 1));
461 102048 *sum_size += size;
462
463 // Warning do not construct a HexPtr with an rvalue!
464 // The constructor takes the address of its argument.
465
1/2
✓ Branch 1 taken 102048 times.
✗ Branch 2 not taken.
 102048 const std::string hash_string = line.substr(2, separator - 2);
466 102048 const shash::HexPtr hex_ptr(hash_string);
467
468
1/2
✓ Branch 1 taken 102048 times.
✗ Branch 2 not taken.
 102048 entry->id = shash::MkFromSuffixedHexPtr(hex_ptr);
469 102048 entry->size = size;
470 102048 entry->entry_type = entry_type;
471
1/2
✓ Branch 1 taken 102048 times.
✗ Branch 2 not taken.
 102048 entry->entry_name = "";
472
1/2
✓ Branch 2 taken 15 times.
✗ Branch 3 not taken.
 102063 } else if (line[0] == 'N') { // Named file
473 15 const ObjectPack::BucketContentType entry_type = ObjectPack::kNamed;
474
475 // First separator, before the size field
476 15 const size_t separator1 = line.find(' ', 2);
477
3/6
✓ Branch 0 taken 15 times.
✗ Branch 1 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 15 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 15 times.
 15 if ((separator1 == string::npos) || (separator1 == (line.size() - 1))) {
478 ✗ return false;
479 }
480
481 // Second separator, before the name field
482 15 const size_t separator2 = line.find(' ', separator1 + 1);
483
1/2
✓ Branch 0 taken 15 times.
✗ Branch 1 not taken.
 15 if ((separator1 == 0) || (separator1 == string::npos)
484
3/6
✓ Branch 0 taken 15 times.
✗ Branch 1 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 15 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 15 times.
 30 || (separator1 == (line.size() - 1))) {
485 ✗ return false;
486 }
487
488
1/2
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
 15 const uint64_t size = String2Uint64(
489
1/2
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
 30 line.substr(separator1 + 1, separator2 - separator1 - 1));
490
491 15 std::string name;
492
3/7
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 15 times.
✗ Branch 5 not taken.
✗ Branch 7 not taken.
✓ Branch 8 taken 15 times.
 15 if (!Debase64(line.substr(separator2 + 1), &name)) {
493 ✗ return false;
494 }
495
496 15 *sum_size += size;
497
498 // Warning do not construct a HexPtr with an rvalue!
499 // The constructor takes the address of its argument.
500
1/2
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
 15 const std::string hash_string = line.substr(2, separator1 - 2);
501 15 const shash::HexPtr hex_ptr(hash_string);
502
503
1/2
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
 15 entry->id = shash::MkFromSuffixedHexPtr(hex_ptr);
504 15 entry->size = size;
505 15 entry->entry_type = entry_type;
506
1/2
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
 15 entry->entry_name = name;
507
1/2
✓ Branch 2 taken 15 times.
✗ Branch 3 not taken.
 15 } else { // Error
508 ✗ return false;
509 }
510
511 102063 return true;
512 }
513