public override async Task Generate(IEnumerable <IEnumerable <char> > tableOfTableOfChars, MD5 hasherMD5, SHA256 hasherSHA256,
                                            Func <string, string, string, long, long, bool> shouldBreakFunc, Stopwatch stopwatch = null,
                                            int batchInsertCount = 200, int batchTransactionCommitCount = 20000)
        {
            string last_key_entry = await GetLastKeyEntry();

            double?nextPause = null;

            if (stopwatch != null)
            {
                stopwatch.Start();
                nextPause = stopwatch.Elapsed.TotalMilliseconds + 1000;                //next check after 1sec
            }
            long counter = 0, last_pause_counter = 0, tps = 0;
            var  tran = await Conn.BeginTransactionAsync(IsolationLevel.ReadUncommitted);

            string       insert_into = "INSERT INTO Hashes(`Key`, hashMD5, hashSHA256) VALUES";
            MySqlCommand cmd         = new MySqlCommand("", Conn, tran);

            cmd.CommandType = CommandType.Text;
            cmd.CommandText = insert_into;
            string comma         = "";
            int    param_counter = 0;

            foreach (var chars_table in tableOfTableOfChars)
            {
                var key = string.Concat(chars_table);
                if (!string.IsNullOrEmpty(last_key_entry) && last_key_entry.CompareTo(key) >= 0)
                {
                    continue;
                }
                var(hashMD5, hashSHA256) = CalculateTwoHashes(hasherMD5, hasherSHA256, key);

                //dbase.Insert(value, hash);
                cmd.CommandText += $"{comma}(@Key{param_counter}, @hashMD5{param_counter}, @hashSHA256{param_counter}){Environment.NewLine}";
                comma            = ",";
                MySqlParameter param;
                if (cmd.Parameters.Contains($"@Key{param_counter}"))
                {
                    param       = cmd.Parameters[$"@Key{param_counter}"];
                    param.Value = key;
                }
                else
                {
                    param = new MySqlParameter();
                    param.ParameterName = $"@Key{param_counter}";
                    param.DbType        = DbType.String;
                    param.Size          = 20;
                    param.Value         = key;
                    cmd.Parameters.Add(param);
                }

                if (cmd.Parameters.Contains($"@hashMD5{param_counter}"))
                {
                    param       = cmd.Parameters[$"@hashMD5{param_counter}"];
                    param.Value = hashMD5;
                }
                else
                {
                    param = new MySqlParameter();
                    param.ParameterName = $"@hashMD5{param_counter}";
                    param.DbType        = DbType.String;
                    param.Size          = 32;
                    param.Value         = hashMD5;
                    cmd.Parameters.Add(param);
                }

                if (cmd.Parameters.Contains($"@hashSHA256{param_counter}"))
                {
                    param       = cmd.Parameters[$"@hashSHA256{param_counter}"] as MySqlParameter;
                    param.Value = hashSHA256;
                }
                else
                {
                    param = new MySqlParameter();
                    param.ParameterName = $"@hashSHA256{param_counter}";
                    param.DbType        = DbType.String;
                    param.Size          = 64;
                    param.Value         = hashSHA256;
                    cmd.Parameters.Add(param);
                }

                param_counter++;

                if (counter % batchInsertCount == 0)
                {
                    cmd.CommandText += ";";
                    await cmd.ExecuteNonQueryAsync();

                    cmd.Parameters.Clear();
                    cmd.Dispose();
                    cmd             = new MySqlCommand("", Conn, tran);
                    cmd.CommandType = CommandType.Text;
                    cmd.CommandText = insert_into;
                    cmd.Connection  = Conn;
                    cmd.Transaction = tran;
                    param_counter   = 0;
                    comma           = "";
                }

                if (counter % batchTransactionCommitCount == 0)
                {
                    if (cmd != null && !string.IsNullOrEmpty(cmd.CommandText) && cmd.CommandText != insert_into)
                    {
                        cmd.CommandText += ";";
                        await cmd.ExecuteNonQueryAsync();

                        cmd.Parameters.Clear();
                        cmd.Dispose();
                        cmd             = new MySqlCommand("", Conn, tran);
                        cmd.CommandType = CommandType.Text;
                        cmd.CommandText = insert_into;
                        cmd.Connection  = Conn;
                        cmd.Transaction = tran;
                        param_counter   = 0;
                        comma           = "";
                    }
                    await tran.CommitAsync(); tran.Dispose();
                    tran = null;

                    //Console.WriteLine($"MD5({key})={hashMD5},SHA256({key})={hashSHA256},counter={counter},tps={tps}");
                    //if (Console.KeyAvailable)
                    //	break;
                    if (shouldBreakFunc(key, hashMD5, hashSHA256, counter, tps))
                    {
                        break;
                    }

                    cmd.Transaction = tran = await Conn.BeginTransactionAsync(IsolationLevel.ReadUncommitted);
                }

                if (stopwatch != null && stopwatch.Elapsed.TotalMilliseconds >= nextPause)
                {
                    if (last_pause_counter > 0)
                    {
                        tps       = counter - last_pause_counter;
                        nextPause = stopwatch.Elapsed.TotalMilliseconds + 1000;
                    }
                    last_pause_counter = counter;
                }

                counter++;
            }

            if (cmd != null && !string.IsNullOrEmpty(cmd.CommandText) && cmd.CommandText != insert_into)
            {
                cmd.CommandText += ";";
                await cmd.ExecuteNonQueryAsync();

                cmd.Parameters.Clear();
                cmd.Dispose();
            }
            if (tran != null)
            {
                await tran.CommitAsync(); tran.Dispose();
            }
        }
Exemple #2
0
        public override async Task Generate(IEnumerable <IEnumerable <char> > tableOfTableOfChars, MD5 hasherMD5, SHA256 hasherSHA256,
                                            Func <string, string, string, long, long, bool> shouldBreakFunc,
                                            Stopwatch stopwatch = null, int batchInsertCount = 50, int batchTransactionCommitCount = 200)
        {
            string last_key_entry = await GetLastKeyEntry();

            double?nextPause = null;

            if (stopwatch != null)
            {
                stopwatch.Start();
                nextPause = stopwatch.Elapsed.TotalMilliseconds + 1000;                //next check after 1sec
            }
            long counter = 0, last_pause_counter = 0, tps = 0;
            var  tran = await Conn.BeginTransactionAsync() as SqliteTransaction;

            SqliteCommand cmd = new SqliteCommand("", Conn, tran);

            cmd.CommandType = CommandType.Text;
            int param_counter = 0;

            foreach (var chars_table in tableOfTableOfChars)
            {
                var key = string.Concat(chars_table);
                if (!string.IsNullOrEmpty(last_key_entry) && last_key_entry.CompareTo(key) >= 0)
                {
                    continue;
                }
                var(hashMD5, hashSHA256) = CalculateTwoHashes(hasherMD5, hasherSHA256, key);

                //dbase.Insert(value, hash);
                cmd.CommandText += $"insert into hashes([key], hashMD5, hashSHA256)" +
                                   $"values(@key{param_counter}, @MD5{param_counter}, @SHA256{param_counter});{Environment.NewLine}";
                SqliteParameter param;
                if (cmd.Parameters.Contains($"@key{param_counter}"))
                {
                    param       = cmd.Parameters[$"@key{param_counter}"];
                    param.Value = key;
                }
                else
                {
                    param       = new SqliteParameter($"@key{param_counter}", SqliteType.Text, 20);
                    param.Value = key;
                    cmd.Parameters.Add(param);
                }

                if (cmd.Parameters.Contains($"@MD5{param_counter}"))
                {
                    param       = cmd.Parameters[$"@MD5{param_counter}"];
                    param.Value = hashMD5;
                }
                else
                {
                    param       = new SqliteParameter($"@MD5{param_counter}", SqliteType.Text, 32);
                    param.Value = hashMD5;
                    cmd.Parameters.Add(param);
                }

                if (cmd.Parameters.Contains($"@SHA256{param_counter}"))
                {
                    param       = cmd.Parameters[$"@SHA256{param_counter}"];
                    param.Value = hashSHA256;
                }
                else
                {
                    param       = new SqliteParameter($"@SHA256{param_counter}", SqliteType.Text, 64);
                    param.Value = hashSHA256;
                    cmd.Parameters.Add(param);
                }

                param_counter++;

                if (counter % batchInsertCount == 0)
                {
                    //cmd.Prepare();
                    await cmd.ExecuteNonQueryAsync();

                    cmd.Parameters.Clear();
                    cmd.Dispose();
                    cmd.CommandText = "";
                    cmd.Connection  = Conn;
                    cmd.Transaction = tran;
                    param_counter   = 0;
                }

                if (counter % batchTransactionCommitCount == 0)
                {
                    if (cmd != null && !string.IsNullOrEmpty(cmd.CommandText))
                    {
                        //cmd.Prepare();
                        await cmd.ExecuteNonQueryAsync();

                        cmd.Parameters.Clear();
                        cmd.Dispose();
                        cmd.CommandText = "";
                        cmd.Connection  = Conn;
                        cmd.Transaction = tran;
                        param_counter   = 0;
                    }
                    await tran.CommitAsync(); tran.Dispose();
                    tran = null;

                    //Console.WriteLine($"MD5({key})={hashMD5},SHA256({key})={hashSHA256},counter={counter},tps={tps}");
                    //if (Console.KeyAvailable)
                    //	break;
                    if (shouldBreakFunc(key, hashMD5, hashSHA256, counter, tps))
                    {
                        break;
                    }

                    cmd.Transaction = tran = await Conn.BeginTransactionAsync() as SqliteTransaction;
                }

                if (stopwatch != null && stopwatch.Elapsed.TotalMilliseconds >= nextPause)
                {
                    if (last_pause_counter > 0)
                    {
                        tps       = counter - last_pause_counter;
                        nextPause = stopwatch.Elapsed.TotalMilliseconds + 1000;
                    }
                    last_pause_counter = counter;
                }

                counter++;
            }

            if (cmd != null && !string.IsNullOrEmpty(cmd.CommandText))
            {
                //cmd.Prepare();
                await cmd.ExecuteNonQueryAsync();

                cmd.Parameters.Clear();
                cmd.Dispose();
            }
            if (tran != null)
            {
                await tran.CommitAsync(); tran.Dispose();
            }
        }
Exemple #3
0
        public override async Task Generate(IEnumerable <IEnumerable <char> > tableOfTableOfChars, MD5 hasherMD5, SHA256 hasherSHA256,
                                            Func <string, string, string, long, long, bool> shouldBreakFunc, Stopwatch stopwatch = null,
                                            int batchInsertCount = 200, int batchTransactionCommitCount = 20_000)
        {
            string last_key_entry = await GetLastKeyEntry();

            double?nextPause = null;

            if (stopwatch != null)
            {
                stopwatch.Start();
                nextPause = stopwatch.Elapsed.TotalMilliseconds + 1_000;                //next check after 1sec
            }
            long counter = 0, last_pause_counter = 0, tps = 0;
            var  tran = await Conn.BeginTransactionAsync(IsolationLevel.ReadCommitted) as OracleTransaction;

            OracleCommand cmd = new OracleCommand(@"
CREATE PRIVATE TEMPORARY TABLE ORA$PTT_hashes
(
	""Key"" VARCHAR2(20 BYTE),
	""hashMD5"" CHAR(32 BYTE),
	""hashSHA256"" CHAR(64 BYTE)
)
ON COMMIT PRESERVE DEFINITION", Conn)
            {
                CommandType = CommandType.Text,
                Transaction = tran
            };
            await cmd.ExecuteNonQueryAsync();

            cmd = new OracleCommand("", Conn)
            {
                CommandType = CommandType.Text,
                Transaction = tran
            };
            int param_counter = 0;

            foreach (var chars_table in tableOfTableOfChars)
            {
                var key = string.Concat(chars_table);
                if (!string.IsNullOrEmpty(last_key_entry) && last_key_entry.CompareTo(key) >= 0)
                {
                    continue;
                }
                var(hashMD5, hashSHA256) = CalculateTwoHashes(hasherMD5, hasherSHA256, key);

                //dbase.Insert(value, hash);
                cmd.CommandText += $"INSERT /*+APPEND*/ INTO ORA$PTT_hashes(\"Key\", \"hashMD5\", \"hashSHA256\")" +
                                   $" VALUES(:key{param_counter}, :hashMD5{param_counter}, :hashSHA256{param_counter});{Environment.NewLine}";
                OracleParameter param;
                if (cmd.Parameters.Contains($"key{param_counter}"))
                {
                    param       = cmd.Parameters[$"key{param_counter}"];
                    param.Value = key;
                }
                else
                {
                    param       = new OracleParameter($"key{param_counter}", OracleDbType.Varchar2, 20);
                    param.Value = key;
                    cmd.Parameters.Add(param);
                }

                if (cmd.Parameters.Contains($"hashMD5{param_counter}"))
                {
                    param       = cmd.Parameters[$"hashMD5{param_counter}"];
                    param.Value = hashMD5;
                }
                else
                {
                    param       = new OracleParameter($"hashMD5{param_counter}", OracleDbType.Char, 32);
                    param.Value = hashMD5;
                    cmd.Parameters.Add(param);
                }

                if (cmd.Parameters.Contains($"hashSHA256{param_counter}"))
                {
                    param       = cmd.Parameters[$"hashSHA256{param_counter}"];
                    param.Value = hashSHA256;
                }
                else
                {
                    param       = new OracleParameter($"hashSHA256{param_counter}", OracleDbType.Char, 64);
                    param.Value = hashSHA256;
                    cmd.Parameters.Add(param);
                }

                param_counter++;

                if (counter % batchInsertCount == 0)
                {
                    cmd.CommandText = $@"BEGIN {cmd.CommandText}
INSERT /*+APPEND*/ INTO ""Hashes""
SELECT ""Key"", ""hashMD5"", ""hashSHA256"" FROM ORA$PTT_hashes ORDER BY ""Key"";
COMMIT;
DELETE FROM ORA$PTT_hashes;
END;";
                    await cmd.ExecuteNonQueryAsync();

                    cmd.Parameters.Clear();
                    cmd.Dispose();
                    cmd = new OracleCommand("", Conn)
                    {
                        CommandType = CommandType.Text,
                        Transaction = tran
                    };
                    param_counter = 0;
                }

                if (counter % batchTransactionCommitCount == 0)
                {
                    if (cmd != null && !string.IsNullOrEmpty(cmd.CommandText))
                    {
                        //cmd.Prepare();
                        cmd.CommandText = $@"BEGIN {cmd.CommandText} 
INSERT /*+APPEND*/ INTO ""Hashes""
SELECT ""Key"", ""hashMD5"", ""hashSHA256"" FROM ORA$PTT_hashes ORDER BY ""Key"";
COMMIT;
DELETE FROM ORA$PTT_hashes;
END;";
                        await cmd.ExecuteNonQueryAsync();

                        cmd.Parameters.Clear();
                        cmd.Dispose();
                        cmd = new OracleCommand("", Conn)
                        {
                            CommandType = CommandType.Text,
                            Transaction = tran
                        };
                        param_counter = 0;
                    }
                    await tran.CommitAsync(); tran.Dispose();
                    tran = null;

                    //Console.WriteLine($"MD5({key})={hashMD5},SHA256({key})={hashSHA256},counter={counter},tps={tps}");
                    //if (Console.KeyAvailable)
                    //	break;
                    if (shouldBreakFunc(key, hashMD5, hashSHA256, counter, tps))
                    {
                        break;
                    }

                    cmd.Transaction = tran = await Conn.BeginTransactionAsync(IsolationLevel.ReadCommitted) as OracleTransaction;
                }

                if (stopwatch != null && stopwatch.Elapsed.TotalMilliseconds >= nextPause)
                {
                    if (last_pause_counter > 0)
                    {
                        tps       = counter - last_pause_counter;
                        nextPause = stopwatch.Elapsed.TotalMilliseconds + 1000;
                    }
                    last_pause_counter = counter;
                }

                counter++;
            }

            if (cmd != null && !string.IsNullOrEmpty(cmd.CommandText))
            {
                cmd.CommandText = $@"BEGIN {cmd.CommandText} 
INSERT /*+APPEND*/ INTO ""Hashes""
SELECT ""Key"", ""hashMD5"", ""hashSHA256"" FROM ORA$PTT_hashes ORDER BY ""Key"";
COMMIT;
DELETE FROM ORA$PTT_hashes;
END;";
                await cmd.ExecuteNonQueryAsync();

                cmd.Parameters.Clear();
                cmd.Dispose();
            }
            if (tran != null)
            {
                await tran.CommitAsync(); tran.Dispose();
            }
        }