GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2025-11-09 02:35:23
Exec Total Coverage
Lines: 142 142 100.0%
Branches: 35 64 54.7%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM File System.
3 */
4
5 #include "item.h"
6
7 #include <algorithm>
8 #include <cassert>
9 #include <cstdlib>
10 #include <cstring>
11
12 #include "ingestion/ingestion_source.h"
13 #include "item_mem.h"
14 #include "util/concurrency.h"
15 #include "util/smalloc.h"
16
17 7341859 FileItem::FileItem(IngestionSource *source,
18 uint64_t min_chunk_size,
19 uint64_t avg_chunk_size,
20 uint64_t max_chunk_size,
21 zlib::Algorithms compression_algorithm,
22 shash::Algorithms hash_algorithm,
23 shash::Suffix hash_suffix,
24 bool may_have_chunks,
25 7341859 bool has_legacy_bulk_chunk)
26 7341859 : source_(source)
27 7341859 , compression_algorithm_(compression_algorithm)
28 7341859 , hash_algorithm_(hash_algorithm)
29 7341859 , hash_suffix_(hash_suffix)
30 7341859 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 7341859 , size_(kSizeUnknown)
32 7341859 , may_have_chunks_(may_have_chunks)
33
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 7341859 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 7341859 , bulk_hash_(hash_algorithm)
35
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 14683718 , chunks_(1) {
36 7341859 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 7341859 assert(retval == 0);
38 7341859 atomic_init64(&nchunks_in_fly_);
39 7341859 atomic_init32(&is_fully_chunked_);
40 7341859 }
41
42 7337260 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 7265303 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 7265303 const MutexLockGuard lock_guard(lock_);
46
47
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 7265303 switch (file_chunk.content_hash().suffix) {
48 12501 case shash::kSuffixPartial:
49
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 12501 chunks_.PushBack(file_chunk);
50 12501 break;
51
52 7252802 default:
53
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 7252802 assert(file_chunk.offset() == 0);
54
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 7252802 assert(file_chunk.size() == size_);
55 7252802 bulk_hash_ = file_chunk.content_hash();
56 7252802 break;
57 }
58 7265303 atomic_dec64(&nchunks_in_fly_);
59 7265303 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 7353314 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 7348210 : file_item_(file_item)
67 7348210 , offset_(offset)
68 7348210 , size_(0)
69 7348210 , is_bulk_chunk_(false)
70 7348210 , upload_handle_(NULL)
71
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 7353314 , compressor_(NULL) {
72 7347688 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 7346934 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 7345716 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 7345716 shash::Init(hash_ctx_);
76 7346731 hash_value_.algorithm = hash_ctx_.algorithm;
77 7346731 hash_value_.suffix = shash::kSuffixPartial;
78 7346731 file_item_->IncNchunksInFly();
79 7360245 }
80
81
82 7235897 void ChunkItem::MakeBulkChunk() {
83 7235897 is_bulk_chunk_ = true;
84 7235897 hash_value_.suffix = file_item_->hash_suffix();
85 7233954 }
86
87
88 16724897 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 16724897 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 7227911 file_item_->compression_algorithm());
92 }
93 16750881 return compressor_.weak_ref();
94 }
95
96
97 7244441 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 94976 BlockItem::BlockItem(ItemAllocator *allocator)
106 94976 : allocator_(allocator)
107 94976 , type_(kBlockHollow)
108 94976 , tag_(-1)
109 94976 , file_item_(NULL)
110 94976 , chunk_item_(NULL)
111 94976 , data_(NULL)
112 94976 , capacity_(0)
113 94976 , size_(0) { }
114
115
116 52195591 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 51863530 : allocator_(allocator)
118 51863530 , type_(kBlockHollow)
119 51863530 , tag_(tag)
120 51863530 , file_item_(NULL)
121 51863530 , chunk_item_(NULL)
122 51863530 , data_(NULL)
123 51863530 , capacity_(0)
124 52195591 , size_(0) {
125
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 51863530 assert(tag_ >= 0);
126 51863530 }
127
128
129 51981490 BlockItem::~BlockItem() {
130
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 51981490 if (data_)
131 21743720 allocator_->Free(data_);
132 52014840 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 52445026 }
134
135
136 7996175 void BlockItem::Discharge() {
137 7996175 data_ = NULL;
138 7996175 size_ = capacity_ = 0;
139 7996175 }
140
141
142 21723824 void BlockItem::MakeStop() {
143
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 21723824 assert(type_ == kBlockHollow);
144 21723824 type_ = kBlockStop;
145 21723824 }
146
147
148 11173905 void BlockItem::MakeData(uint32_t capacity) {
149
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 11173905 assert(type_ == kBlockHollow);
150
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 11173905 assert(allocator_ != NULL);
151
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 11173905 assert(capacity > 0);
152
153 11173905 type_ = kBlockData;
154 11173905 capacity_ = capacity;
155 11173905 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 11209082 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 11212591 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 7995334 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 7995334 assert(type_ == kBlockHollow);
165
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 7995334 assert(other->type_ == kBlockData);
166
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 7995334 assert(other->size_ > 0);
167
168 7995334 type_ = kBlockData;
169 7995334 capacity_ = size_ = other->size_;
170 7995334 data_ = other->data_;
171 7995334 allocator_ = other->allocator_;
172
173 7995334 other->Discharge();
174 7997277 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 11546498 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 11546498 assert(type_ == kBlockHollow);
182
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 11546498 assert(allocator_ != NULL);
183
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 11546498 assert(size > 0);
184
185 11546498 type_ = kBlockData;
186 11546498 capacity_ = size_ = size;
187 11546498 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 11570678 memcpy(data_, data, size);
189 11570678 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 11570715 }
191
192
193 994050 void BlockItem::Reset() {
194
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 994050 assert(type_ == kBlockData);
195
196 994050 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 994659 allocator_->Free(data_);
198 994456 data_ = NULL;
199 994456 size_ = capacity_ = 0;
200 994456 type_ = kBlockHollow;
201 994456 }
202
203
204 35967890 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 35967890 assert(value != NULL);
206
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 35967890 assert(chunk_item_ == NULL);
207 35967890 chunk_item_ = value;
208 35967890 }
209
210
211 51725912 void BlockItem::SetFileItem(FileItem *value) {
212
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 51725912 assert(value != NULL);
213
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 51725912 assert(file_item_ == NULL);
214 51725912 file_item_ = value;
215 51725912 }
216
217
218 10240 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 10240 assert(type_ == kBlockData);
220
221 10240 const uint32_t remaining = capacity_ - size_;
222 10240 const uint32_t nbytes = std::min(remaining, count);
223 10240 memcpy(data_ + size_, buf, nbytes);
224 10240 size_ += nbytes;
225 10240 return nbytes;
226 }
227