blob: 7cfd0581b062a8187b7b971da76e0138e473d4ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#include "database.hpp"
#include "esp_log.h"
#include "leveldb/cache.h"
#include "env_esp.hpp"
namespace database {
static SingletonEnv<leveldb::EspEnv> sEnv;
auto Database::Open() -> cpp::result<Database*, DatabaseError> {
leveldb::DB* db;
leveldb::Cache* cache = leveldb::NewLRUCache(24 * 1024);
leveldb::Options options;
options.env = sEnv.env();
options.create_if_missing = true;
options.write_buffer_size = 48 * 1024;
options.max_file_size = 32;
options.block_cache = cache;
options.block_size = 512;
auto status = leveldb::DB::Open(options, "/.db", &db);
if (!status.ok()) {
delete cache;
ESP_LOGE("DB", "failed to open db");
return cpp::fail(FAILED_TO_OPEN);
}
return new Database(db, cache);
}
Database::Database(leveldb::DB* db, leveldb::Cache* cache)
: db_(db), cache_(cache) {}
Database::~Database() {}
} // namespace database
|
