public static void test_put(string[] args) { // //DBTests tests = new DBTests(); //tests.SetUp(); //tests.Snapshot(); var tempPath = System.IO.Directory.GetCurrentDirectory(); var randName = "LevelDB"; var DatabasePath = System.IO.Path.Combine(tempPath, randName); LevelDBStore dbstore = new LevelDBStore().Init(DatabasePath); //Êý¾ÝдÈë²âÊÔ System.Diagnostics.Stopwatch sp = new System.Diagnostics.Stopwatch(); sp.Reset(); sp.Start(); int mCount = 0; while (true) { dbstore.Put(mCount.ToString(), "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaeraaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); if (System.Threading.Interlocked.Increment(ref mCount) % 10000 == 0) { System.Console.WriteLine($"{mCount} has inserted. time use {sp.ElapsedMilliseconds}ms."); } } }
static public void MakeSnapshot(Dictionary <string, string> param) { Console.WriteLine($"levelDB.Init {param["db"]}"); LevelDBStore levelDB = new LevelDBStore(); levelDB.Init(param["db"]); if (param.ContainsKey("height") && long.TryParse(param["height"], out long height)) { levelDB.UndoTransfers(height); } long.TryParse(levelDB.Get("UndoHeight"), out long transferHeight); Console.WriteLine($"transferHeight: {transferHeight}"); var DatabasePath = $"./Data/LevelDB_Snapshot_{transferHeight}"; if (Directory.Exists(DatabasePath)) { Console.WriteLine($"Directory LevelDB_Snapshot Exists"); return; } LevelDBStore snapshotDB = new LevelDBStore(); snapshotDB.Init(DatabasePath); int count = 0; using (var it = levelDB.db.CreateIterator()) { for (it.SeekToFirst(); it.IsValid(); it.Next(), count++) { //Log.Info($"Value as string: {it.KeyAsString()}"); if (it.KeyAsString().IndexOf("_undo_") == -1 && it.KeyAsString().IndexOf("Blocks") != 0 && it.KeyAsString().IndexOf("BlockChain") != 0 && it.KeyAsString().IndexOf("Queue") != 0 && it.KeyAsString().IndexOf("List") != 0 && it.KeyAsString().IndexOf("Heights") != 0 && it.KeyAsString().IndexOf("Undos___") != 0) { if (it.KeyAsString().IndexOf("Trans___") == 0) { var slice = JsonHelper.FromJson <DbCache <BlockSub> .Slice>(it.ValueAsString()); if (slice != null && slice.obj.height != 0) { snapshotDB.Put(it.KeyAsString(), $"{{\"obj\":{{\"height\":{slice.obj.height}}}}}"); Console.WriteLine($"Processed tran: {it.KeyAsString()}"); } } else if (it.KeyAsString().IndexOf("Snap___") == 0) { if (it.KeyAsString().IndexOf("Snap___Rule_") == 0) { var key = it.KeyAsString(); var pos1 = "Snap___Rule_".Length; var pos2 = key.Length; var hegihtTemp1 = key.Substring(pos1, pos2 - pos1); var hegihtTemp2 = long.Parse(hegihtTemp1); if (hegihtTemp2 > transferHeight - 5 && hegihtTemp2 < transferHeight + 5) { snapshotDB.Put(it.KeyAsString(), it.ValueAsString()); Console.WriteLine($"Processed key: {it.KeyAsString()}"); } } else if (it.KeyAsString().IndexOf("_Reward") != -1) { var key = it.KeyAsString(); var pos1 = "Snap___".Length; var pos2 = key.IndexOf("_Reward"); var hegihtTemp1 = key.Substring(pos1, pos2 - pos1); var hegihtTemp2 = long.Parse(hegihtTemp1); if (hegihtTemp2 > transferHeight - 5 && hegihtTemp2 < transferHeight + 5) { snapshotDB.Put(it.KeyAsString(), it.ValueAsString()); Console.WriteLine($"Processed key: {it.KeyAsString()}"); } } else { snapshotDB.Put(it.KeyAsString(), it.ValueAsString()); Console.WriteLine($"Processed key: {it.KeyAsString()}"); } } else { snapshotDB.Put(it.KeyAsString(), it.ValueAsString()); Console.WriteLine($"Processed key: {it.KeyAsString()}"); } } if (count % 1000000 == 0) { Console.WriteLine($"Processed Count:{count}"); } } } using (DbSnapshot dbNew = snapshotDB.GetSnapshot(0, true)) using (DbSnapshot dbOld = levelDB.GetSnapshot()) { for (long ii = transferHeight - 3; ii <= transferHeight + 2; ii++) { Console.WriteLine($"Processed height: {ii}"); var heights = dbOld.Heights.Get(ii.ToString()); for (int jj = 0; jj < heights.Count; jj++) { dbNew.Blocks.Add(heights[jj], dbOld.Blocks.Get(heights[jj])); } dbNew.Heights.Add(ii.ToString(), heights); dbNew.BlockChains.Add(ii.ToString(), dbOld.BlockChains.Get(ii.ToString())); } dbNew.Commit(); } Console.WriteLine($"MakeSnapshot Complete"); while (true) { System.Threading.Thread.Sleep(1000); } }