static void test_db_enumblock(string[] words)
{
try
{
Console.WriteLine("test_db_enumblock");
using (var snap = db.UseSnapShot())
{
Console.WriteLine("now snap height=" + snap.DataHeight);
var keyfinder = snap.CreateKeyFinder(LightDB.systemtable_block);
foreach (byte[] key in keyfinder)
{
var longkey = BitConverter.ToUInt64(key);
Console.WriteLine("got a key:" + longkey);
var data = snap.GetValue(LightDB.systemtable_block, key);
var task = WriteTask.FromRaw(data.value);
Console.WriteLine(" task count=" + task.items.Count);
foreach (var item in task.items)
{
Console.WriteLine(" item:" + item.op + ":" + item.key.Length + "," + item.value.Length);
}
}
}
}
catch (Exception err)
{
Console.WriteLine("error:" + err.Message);
}
}
static void DBGetBlock(string[] words)
{
UInt64 blockid = UInt64.Parse(words[1]);
var msg = client.Post_snapshot_getblock(lastSnapheight.Value, blockid);
//var msg = client.Post_snapshot_getvalue(lastSnapheight.Value, protocol_Helper.systemtable_block, BitConverter.GetBytes(blockid));
var v = DBValue.FromRaw(msg.data);
var task = WriteTask.FromRaw(v.value);
Console.WriteLine("got info=" + msg.ToString());
foreach (var i in task.items)
{
Console.WriteLine("item=" + i.ToString());
}
if (task.extData != null)
{
foreach (var e in task.extData)
{
Console.WriteLine("extdata=" + e.Key + " len=" + e.Value.Length);
}
}
}
static void ShowDBBlock(string[] words)
{
uint blockid = uint.Parse(words[1]);
using (var snap = storage.maindb.UseSnapShot())
{
var blockiddata = BitConverter.GetBytes((UInt64)blockid);
var blockhash = snap.GetValue(StorageService.tableID_BlockID2Hash, blockiddata).value.ToString_Hex();
Console.WriteLine("block:" + blockid + " hash=" + blockhash);
var value = snap.GetValue(LightDB.systemtable_block, blockiddata);
if (value != null && value.type != DBValue.Type.Deleted)
{
var task = WriteTask.FromRaw(value.value);
Console.WriteLine("block:" + blockid + " len=" + value.value.Length);
Console.WriteLine("==blockitems==");
foreach (var i in task.items)
{
Console.WriteLine(i.ToString());
}
if (task.extData != null)
{
Console.WriteLine("==blockext==");
foreach (var i in task.extData)
{
Console.WriteLine(i.Key + "=" + i.Value?.ToString_Hex());
}
}
}
else
{
Console.WriteLine("block:" + blockid + " not exist.");
}
}
}
public async Task OnDB_Write(NetMessage msgRecv, byte[] id)
{
var msg = NetMessage.Create("_db.write.back");
msg.Params["_id"] = id;
try
{
var data = msgRecv.Params["taskdata"];
var signdata = msgRecv.Params["signdata"];
var writetask = WriteTask.FromRaw(data);
if (writetask.extData?.ContainsKey("lasthash") == true)
{
var lastblockhashRecv = writetask.extData["lasthash"];
lock (dblock)
{
using (var snap = Program.storage.maindb.UseSnapShot())
{
var blockidlast = BitConverter.GetBytes((UInt64)(snap.DataHeight - 1));
byte[] taskhash = Helper.CalcHash256(data);//.Sha256.ComputeHash(data);
//不够用，还需要block高度
var lasthashFind = snap.GetValue(StorageService.tableID_BlockID2Hash, blockidlast).value;
if (Helper.BytesEquals(lastblockhashRecv, lasthashFind))
{
//数据追加处理
Action <WriteTask, byte[], IWriteBatch> afterparser = (_task, _data, _wb) =>
{
if (_wb.snapshot.DataHeight != snap.DataHeight)
{
throw new Exception("sync problem,diff snap found.");
}
_wb.Put(StorageService.tableID_BlockID2Hash, snap.DataHeightBuf, DBValue.FromValue(DBValue.Type.Bytes, taskhash));
};
//写入数据
Program.storage.maindb.Write(writetask, afterparser);
//进表
msg.Params["blockid"] = snap.DataHeightBuf;
msg.Params["blockhash"] = taskhash;
}
else
{
msg.Params["_error"] = "block hash is error".ToBytes_UTF8Encode();
}
}
}
}
else
{
msg.Params["_error"] = "no last block hash.".ToBytes_UTF8Encode();
}
}
catch (Exception err)
{
msg.Params["_error"] = err.Message.ToBytes_UTF8Encode();
}
//这个完全可以不要等待呀
SendToClient(msg);
}
