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#include "stdafx.h"
CDbxSQLite::CDbxSQLite(sqlite3 *database)
: m_db(database),
m_safetyMode(true),
m_modules(1, strcmp)
{
}
CDbxSQLite::~CDbxSQLite()
{
UninitEvents();
UninitContacts();
UninitSettings();
if (m_db) {
sqlite3_close(m_db);
m_db = nullptr;
}
}
int CDbxSQLite::Create(const wchar_t *profile)
{
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int rc = sqlite3_open_v2(path, &database, SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE, nullptr);
if (rc != SQLITE_OK)
return 1;
sqlite3_exec(database, "create table contacts (id integer not null primary key autoincrement);", nullptr, nullptr, nullptr);
sqlite3_exec(database, "create table events (id integer not null primary key autoincrement, contact_id integer not null, module text not null, timestamp integer not null, type integer not null, flags integer not null, size integer not null, data blob, server_id text);", nullptr, nullptr, nullptr);
sqlite3_exec(database, "create index idx_events_contactid_timestamp on events(contact_id, timestamp);", nullptr, nullptr, nullptr);
sqlite3_exec(database, "create index idx_events_module_serverid on events(module, server_id);", nullptr, nullptr, nullptr);
sqlite3_exec(database, "create table settings (contact_id integer not null, module text not null, setting text not null, type integer not null, value any, primary key(contact_id, module, setting)) without rowid;", nullptr, nullptr, nullptr);
sqlite3_exec(database, "create index idx_settings_module on settings(module);", nullptr, nullptr, nullptr);
sqlite3_close(database);
return 0;
}
int CDbxSQLite::Check(const wchar_t *profile)
{
FILE *hFile = _wfopen(profile, L"rb");
if (hFile == INVALID_HANDLE_VALUE)
return EGROKPRF_CANTREAD;
char header[16] = {};
size_t size = sizeof(header);
if (fread(header, sizeof(char), size, hFile) != size) {
fclose(hFile);
return EGROKPRF_CANTREAD;
}
fclose(hFile);
if (memcmp(header, SQLITE_HEADER_STR, mir_strlen(SQLITE_HEADER_STR)) != 0)
return EGROKPRF_UNKHEADER;
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int rc = sqlite3_open_v2(path, &database, SQLITE_OPEN_READONLY, nullptr);
if (rc != SQLITE_OK)
return EGROKPRF_DAMAGED;
sqlite3_close(database);
return EGROKPRF_NOERROR;
}
MDatabaseCommon* CDbxSQLite::Load(const wchar_t *profile, int readonly)
{
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int flags = SQLITE_OPEN_READWRITE;
if (readonly)
flags |= SQLITE_OPEN_READONLY;
int rc = sqlite3_open_v2(path, &database, flags, nullptr);
if (rc != SQLITE_OK)
return nullptr;
sqlite3_exec(database, "begin transaction;", nullptr, nullptr, nullptr);
sqlite3_exec(database, "pragma locking_mode = EXCLUSIVE;", nullptr, nullptr, nullptr);
sqlite3_exec(database, "pragma synchronous = NORMAL;", nullptr, nullptr, nullptr);
sqlite3_exec(database, "pragma foreign_keys = OFF;", nullptr, nullptr, nullptr);
sqlite3_exec(database, "pragma journal_mode = OFF;", nullptr, nullptr, nullptr);
sqlite3_exec(database, "commit;", nullptr, nullptr, nullptr);
CDbxSQLite *db = new CDbxSQLite(database);
db->InitSettings();
db->InitContacts();
db->InitEvents();
return db;
}
BOOL CDbxSQLite::Compact()
{
sqlite3_exec(m_db, "pragma optimize;", nullptr, nullptr, nullptr);
sqlite3_exec(m_db, "vacuum;", nullptr, nullptr, nullptr);
return 0;
}
BOOL CDbxSQLite::Backup(const wchar_t *profile)
{
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int rc = sqlite3_open_v2(path, &database, SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE, nullptr);
if (rc != SQLITE_OK)
return FALSE;
mir_cslock lock(m_csDbAccess);
sqlite3_backup *backup = sqlite3_backup_init(database, "main", m_db, "main");
if (backup) {
sqlite3_backup_step(backup, -1);
sqlite3_backup_finish(backup);
}
sqlite3_close(database);
return 0;
}
BOOL CDbxSQLite::IsRelational()
{
return TRUE;
}
void CDbxSQLite::SetCacheSafetyMode(BOOL value)
{
// hack to increase import speed
if (!value)
sqlite3_exec(m_db, "pragma synchronous = OFF;", nullptr, nullptr, nullptr);
else
sqlite3_exec(m_db, "pragma synchronous = NORMAL;", nullptr, nullptr, nullptr);
m_safetyMode = value != FALSE;
}
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