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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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15,807 bytes · SHA-256 484b92479720d1a0… · View upstream ↗

1// Copyright 2014 The LevelDB Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file. See the AUTHORS file for names of contributors.
4
5// This test uses a custom Env to keep track of the state of a filesystem as of
6// the last "sync". It then checks for data loss errors by purposely dropping
7// file data (or entire files) not protected by a "sync".
8
9#include <map>
10#include <set>
11
12#include "db/db_impl.h"
13#include "db/filename.h"
14#include "db/log_format.h"
15#include "db/version_set.h"
16#include "leveldb/cache.h"
17#include "leveldb/db.h"
18#include "leveldb/env.h"
19#include "leveldb/table.h"
20#include "leveldb/write_batch.h"
21#include "port/port.h"
22#include "port/thread_annotations.h"
23#include "util/logging.h"
24#include "util/mutexlock.h"
25#include "util/testharness.h"
26#include "util/testutil.h"
27
28namespace leveldb {
29
30static const int kValueSize = 1000;
31static const int kMaxNumValues = 2000;
32static const size_t kNumIterations = 3;
33
34class FaultInjectionTestEnv;
35
36namespace {
37
38// Assume a filename, and not a directory name like "/foo/bar/"
39static std::string GetDirName(const std::string& filename) {
40  size_t found = filename.find_last_of("/\\");
41  if (found == std::string::npos) {
42    return "";
43  } else {
44    return filename.substr(0, found);
45  }
46}
47
48Status SyncDir(const std::string& dir) {
49  // As this is a test it isn't required to *actually* sync this directory.
50  return Status::OK();
51}
52
53// A basic file truncation function suitable for this test.
54Status Truncate(const std::string& filename, uint64_t length) {
55  leveldb::Env* env = leveldb::Env::Default();
56
57  SequentialFile* orig_file;
58  Status s = env->NewSequentialFile(filename, &orig_file);
59  if (!s.ok()) return s;
60
61  char* scratch = new char[length];
62  leveldb::Slice result;
63  s = orig_file->Read(length, &result, scratch);
64  delete orig_file;
65  if (s.ok()) {
66    std::string tmp_name = GetDirName(filename) + "/truncate.tmp";
67    WritableFile* tmp_file;
68    s = env->NewWritableFile(tmp_name, &tmp_file);
69    if (s.ok()) {
70      s = tmp_file->Append(result);
71      delete tmp_file;
72      if (s.ok()) {
73        s = env->RenameFile(tmp_name, filename);
74      } else {
75        env->DeleteFile(tmp_name);
76      }
77    }
78  }
79
80  delete[] scratch;
81
82  return s;
83}
84
85struct FileState {
86  std::string filename_;
87  int64_t pos_;
88  int64_t pos_at_last_sync_;
89  int64_t pos_at_last_flush_;
90
91  FileState(const std::string& filename)
92      : filename_(filename),
93        pos_(-1),
94        pos_at_last_sync_(-1),
95        pos_at_last_flush_(-1) {}
96
97  FileState() : pos_(-1), pos_at_last_sync_(-1), pos_at_last_flush_(-1) {}
98
99  bool IsFullySynced() const { return pos_ <= 0 || pos_ == pos_at_last_sync_; }
100
101  Status DropUnsyncedData() const;
102};
103
104}  // anonymous namespace
105
106// A wrapper around WritableFile which informs another Env whenever this file
107// is written to or sync'ed.
108class TestWritableFile : public WritableFile {
109 public:
110  TestWritableFile(const FileState& state, WritableFile* f,
111                   FaultInjectionTestEnv* env);
112  ~TestWritableFile() override;
113  Status Append(const Slice& data) override;
114  Status Close() override;
115  Status Flush() override;
116  Status Sync() override;
117  std::string GetName() const override { return ""; }
118
119 private:
120  FileState state_;
121  WritableFile* target_;
122  bool writable_file_opened_;
123  FaultInjectionTestEnv* env_;
124
125  Status SyncParent();
126};
127
128class FaultInjectionTestEnv : public EnvWrapper {
129 public:
130  FaultInjectionTestEnv()
131      : EnvWrapper(Env::Default()), filesystem_active_(true) {}
132  ~FaultInjectionTestEnv() override = default;
133  Status NewWritableFile(const std::string& fname,
134                         WritableFile** result) override;
135  Status NewAppendableFile(const std::string& fname,
136                           WritableFile** result) override;
137  Status DeleteFile(const std::string& f) override;
138  Status RenameFile(const std::string& s, const std::string& t) override;
139
140  void WritableFileClosed(const FileState& state);
141  Status DropUnsyncedFileData();
142  Status DeleteFilesCreatedAfterLastDirSync();
143  void DirWasSynced();
144  bool IsFileCreatedSinceLastDirSync(const std::string& filename);
145  void ResetState();
146  void UntrackFile(const std::string& f);
147  // Setting the filesystem to inactive is the test equivalent to simulating a
148  // system reset. Setting to inactive will freeze our saved filesystem state so
149  // that it will stop being recorded. It can then be reset back to the state at
150  // the time of the reset.
151  bool IsFilesystemActive() LOCKS_EXCLUDED(mutex_) {
152    MutexLock l(&mutex_);
153    return filesystem_active_;
154  }
155  void SetFilesystemActive(bool active) LOCKS_EXCLUDED(mutex_) {
156    MutexLock l(&mutex_);
157    filesystem_active_ = active;
158  }
159
160 private:
161  port::Mutex mutex_;
162  std::map<std::string, FileState> db_file_state_ GUARDED_BY(mutex_);
163  std::set<std::string> new_files_since_last_dir_sync_ GUARDED_BY(mutex_);
164  bool filesystem_active_ GUARDED_BY(mutex_);  // Record flushes, syncs, writes
165};
166
167TestWritableFile::TestWritableFile(const FileState& state, WritableFile* f,
168                                   FaultInjectionTestEnv* env)
169    : state_(state), target_(f), writable_file_opened_(true), env_(env) {
170  assert(f != nullptr);
171}
172
173TestWritableFile::~TestWritableFile() {
174  if (writable_file_opened_) {
175    Close();
176  }
177  delete target_;
178}
179
180Status TestWritableFile::Append(const Slice& data) {
181  Status s = target_->Append(data);
182  if (s.ok() && env_->IsFilesystemActive()) {
183    state_.pos_ += data.size();
184  }
185  return s;
186}
187
188Status TestWritableFile::Close() {
189  writable_file_opened_ = false;
190  Status s = target_->Close();
191  if (s.ok()) {
192    env_->WritableFileClosed(state_);
193  }
194  return s;
195}
196
197Status TestWritableFile::Flush() {
198  Status s = target_->Flush();
199  if (s.ok() && env_->IsFilesystemActive()) {
200    state_.pos_at_last_flush_ = state_.pos_;
201  }
202  return s;
203}
204
205Status TestWritableFile::SyncParent() {
206  Status s = SyncDir(GetDirName(state_.filename_));
207  if (s.ok()) {
208    env_->DirWasSynced();
209  }
210  return s;
211}
212
213Status TestWritableFile::Sync() {
214  if (!env_->IsFilesystemActive()) {
215    return Status::OK();
216  }
217  // Ensure new files referred to by the manifest are in the filesystem.
218  Status s = target_->Sync();
219  if (s.ok()) {
220    state_.pos_at_last_sync_ = state_.pos_;
221  }
222  if (env_->IsFileCreatedSinceLastDirSync(state_.filename_)) {
223    Status ps = SyncParent();
224    if (s.ok() && !ps.ok()) {
225      s = ps;
226    }
227  }
228  return s;
229}
230
231Status FaultInjectionTestEnv::NewWritableFile(const std::string& fname,
232                                              WritableFile** result) {
233  WritableFile* actual_writable_file;
234  Status s = target()->NewWritableFile(fname, &actual_writable_file);
235  if (s.ok()) {
236    FileState state(fname);
237    state.pos_ = 0;
238    *result = new TestWritableFile(state, actual_writable_file, this);
239    // NewWritableFile doesn't append to files, so if the same file is
240    // opened again then it will be truncated - so forget our saved
241    // state.
242    UntrackFile(fname);
243    MutexLock l(&mutex_);
244    new_files_since_last_dir_sync_.insert(fname);
245  }
246  return s;
247}
248
249Status FaultInjectionTestEnv::NewAppendableFile(const std::string& fname,
250                                                WritableFile** result) {

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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