fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
258 lines
8.1 KiB
258 lines
8.1 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
#ifndef ROCKSDB_LITE
|
|
|
|
#ifndef __STDC_FORMAT_MACROS
|
|
#define __STDC_FORMAT_MACROS
|
|
#endif
|
|
|
|
#include "utilities/blob_db/blob_dump_tool.h"
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <iostream>
|
|
#include <memory>
|
|
#include <string>
|
|
#include "port/port.h"
|
|
#include "rocksdb/convenience.h"
|
|
#include "rocksdb/env.h"
|
|
#include "util/coding.h"
|
|
#include "util/crc32c.h"
|
|
#include "util/string_util.h"
|
|
|
|
namespace rocksdb {
|
|
namespace blob_db {
|
|
|
|
BlobDumpTool::BlobDumpTool()
|
|
: reader_(nullptr), buffer_(nullptr), buffer_size_(0) {}
|
|
|
|
Status BlobDumpTool::Run(const std::string& filename, DisplayType show_key,
|
|
DisplayType show_blob) {
|
|
Status s;
|
|
Env* env = Env::Default();
|
|
s = env->FileExists(filename);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
uint64_t file_size = 0;
|
|
s = env->GetFileSize(filename, &file_size);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
std::unique_ptr<RandomAccessFile> file;
|
|
s = env->NewRandomAccessFile(filename, &file, EnvOptions());
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
if (file_size == 0) {
|
|
return Status::Corruption("File is empty.");
|
|
}
|
|
reader_.reset(new RandomAccessFileReader(std::move(file), filename));
|
|
uint64_t offset = 0;
|
|
uint64_t footer_offset = 0;
|
|
s = DumpBlobLogHeader(&offset);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
s = DumpBlobLogFooter(file_size, &footer_offset);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
if (show_key != DisplayType::kNone) {
|
|
while (offset < footer_offset) {
|
|
s = DumpRecord(show_key, show_blob, &offset);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
Status BlobDumpTool::Read(uint64_t offset, size_t size, Slice* result) {
|
|
if (buffer_size_ < size) {
|
|
if (buffer_size_ == 0) {
|
|
buffer_size_ = 4096;
|
|
}
|
|
while (buffer_size_ < size) {
|
|
buffer_size_ *= 2;
|
|
}
|
|
buffer_.reset(new char[buffer_size_]);
|
|
}
|
|
Status s = reader_->Read(offset, size, result, buffer_.get());
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
if (result->size() != size) {
|
|
return Status::Corruption("Reach the end of the file unexpectedly.");
|
|
}
|
|
return s;
|
|
}
|
|
|
|
Status BlobDumpTool::DumpBlobLogHeader(uint64_t* offset) {
|
|
Slice slice;
|
|
Status s = Read(0, BlobLogHeader::kHeaderSize, &slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
BlobLogHeader header;
|
|
s = header.DecodeFrom(slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
fprintf(stdout, "Blob log header:\n");
|
|
fprintf(stdout, " Magic Number : %" PRIu32 "\n", header.magic_number());
|
|
fprintf(stdout, " Version : %" PRIu32 "\n", header.version());
|
|
CompressionType compression = header.compression();
|
|
std::string compression_str;
|
|
if (!GetStringFromCompressionType(&compression_str, compression).ok()) {
|
|
compression_str = "Unrecongnized compression type (" +
|
|
ToString((int)header.compression()) + ")";
|
|
}
|
|
fprintf(stdout, " Compression : %s\n", compression_str.c_str());
|
|
fprintf(stdout, " TTL Range : %s\n",
|
|
GetString(header.ttl_range()).c_str());
|
|
fprintf(stdout, " Timestamp Range: %s\n",
|
|
GetString(header.ts_range()).c_str());
|
|
*offset = BlobLogHeader::kHeaderSize;
|
|
return s;
|
|
}
|
|
|
|
Status BlobDumpTool::DumpBlobLogFooter(uint64_t file_size,
|
|
uint64_t* footer_offset) {
|
|
auto no_footer = [&]() {
|
|
*footer_offset = file_size;
|
|
fprintf(stdout, "No blob log footer.\n");
|
|
return Status::OK();
|
|
};
|
|
if (file_size < BlobLogHeader::kHeaderSize + BlobLogFooter::kFooterSize) {
|
|
return no_footer();
|
|
}
|
|
Slice slice;
|
|
Status s = Read(file_size - 4, 4, &slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
uint32_t magic_number = DecodeFixed32(slice.data());
|
|
if (magic_number != kMagicNumber) {
|
|
return no_footer();
|
|
}
|
|
*footer_offset = file_size - BlobLogFooter::kFooterSize;
|
|
s = Read(*footer_offset, BlobLogFooter::kFooterSize, &slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
BlobLogFooter footer;
|
|
s = footer.DecodeFrom(slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
fprintf(stdout, "Blob log footer:\n");
|
|
fprintf(stdout, " Blob count : %" PRIu64 "\n", footer.GetBlobCount());
|
|
fprintf(stdout, " TTL Range : %s\n",
|
|
GetString(footer.GetTTLRange()).c_str());
|
|
fprintf(stdout, " Time Range : %s\n",
|
|
GetString(footer.GetTimeRange()).c_str());
|
|
fprintf(stdout, " Sequence Range : %s\n",
|
|
GetString(footer.GetSNRange()).c_str());
|
|
return s;
|
|
}
|
|
|
|
Status BlobDumpTool::DumpRecord(DisplayType show_key, DisplayType show_blob,
|
|
uint64_t* offset) {
|
|
fprintf(stdout, "Read record with offset 0x%" PRIx64 " (%" PRIu64 "):\n",
|
|
*offset, *offset);
|
|
Slice slice;
|
|
Status s = Read(*offset, BlobLogRecord::kHeaderSize, &slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
BlobLogRecord record;
|
|
s = record.DecodeHeaderFrom(slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
uint32_t key_size = record.GetKeySize();
|
|
uint64_t blob_size = record.GetBlobSize();
|
|
fprintf(stdout, " key size : %" PRIu32 "\n", key_size);
|
|
fprintf(stdout, " blob size : %" PRIu64 "\n", record.GetBlobSize());
|
|
fprintf(stdout, " TTL : %" PRIu64 "\n", record.GetTTL());
|
|
fprintf(stdout, " time : %" PRIu64 "\n", record.GetTimeVal());
|
|
fprintf(stdout, " type : %d, %d\n", record.type(), record.subtype());
|
|
fprintf(stdout, " header CRC : %" PRIu32 "\n", record.header_checksum());
|
|
fprintf(stdout, " CRC : %" PRIu32 "\n", record.checksum());
|
|
uint32_t header_crc =
|
|
crc32c::Extend(0, slice.data(), slice.size() - 2 * sizeof(uint32_t));
|
|
*offset += BlobLogRecord::kHeaderSize;
|
|
s = Read(*offset, key_size + blob_size + BlobLogRecord::kFooterSize, &slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
header_crc = crc32c::Extend(header_crc, slice.data(), key_size);
|
|
header_crc = crc32c::Mask(header_crc);
|
|
if (header_crc != record.header_checksum()) {
|
|
return Status::Corruption("Record header checksum mismatch.");
|
|
}
|
|
uint32_t blob_crc = crc32c::Extend(0, slice.data() + key_size, blob_size);
|
|
blob_crc = crc32c::Mask(blob_crc);
|
|
if (blob_crc != record.checksum()) {
|
|
return Status::Corruption("Blob checksum mismatch.");
|
|
}
|
|
if (show_key != DisplayType::kNone) {
|
|
fprintf(stdout, " key : ");
|
|
DumpSlice(Slice(slice.data(), key_size), show_key);
|
|
if (show_blob != DisplayType::kNone) {
|
|
fprintf(stdout, " blob : ");
|
|
DumpSlice(Slice(slice.data() + key_size, blob_size), show_blob);
|
|
}
|
|
}
|
|
Slice footer_slice(slice.data() + record.GetKeySize() + record.GetBlobSize(),
|
|
BlobLogRecord::kFooterSize);
|
|
s = record.DecodeFooterFrom(footer_slice);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
fprintf(stdout, " footer CRC : %" PRIu32 "\n", record.footer_checksum());
|
|
fprintf(stdout, " sequence : %" PRIu64 "\n", record.GetSN());
|
|
*offset += key_size + blob_size + BlobLogRecord::kFooterSize;
|
|
return s;
|
|
}
|
|
|
|
void BlobDumpTool::DumpSlice(const Slice s, DisplayType type) {
|
|
if (type == DisplayType::kRaw) {
|
|
fprintf(stdout, "%s\n", s.ToString().c_str());
|
|
} else if (type == DisplayType::kHex) {
|
|
fprintf(stdout, "%s\n", s.ToString(true /*hex*/).c_str());
|
|
} else if (type == DisplayType::kDetail) {
|
|
char buf[100];
|
|
for (size_t i = 0; i < s.size(); i += 16) {
|
|
memset(buf, 0, sizeof(buf));
|
|
for (size_t j = 0; j < 16 && i + j < s.size(); j++) {
|
|
unsigned char c = s[i + j];
|
|
snprintf(buf + j * 3 + 15, 2, "%x", c >> 4);
|
|
snprintf(buf + j * 3 + 16, 2, "%x", c & 0xf);
|
|
snprintf(buf + j + 65, 2, "%c", (0x20 <= c && c <= 0x7e) ? c : '.');
|
|
}
|
|
for (size_t p = 0; p < sizeof(buf) - 1; p++) {
|
|
if (buf[p] == 0) {
|
|
buf[p] = ' ';
|
|
}
|
|
}
|
|
fprintf(stdout, "%s\n", i == 0 ? buf + 15 : buf);
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class T>
|
|
std::string BlobDumpTool::GetString(std::pair<T, T> p) {
|
|
if (p.first == 0 && p.second == 0) {
|
|
return "nil";
|
|
}
|
|
return "(" + ToString(p.first) + ", " + ToString(p.second) + ")";
|
|
}
|
|
|
|
} // namespace blob_db
|
|
} // namespace rocksdb
|
|
|
|
#endif // ROCKSDB_LITE
|
|
|