split big file

Author: ucwong

model_srv.go

@@ -0,0 +1,153 @@
+// Copyright 2023 The CortexTheseus Authors
+// This file is part of the CortexTheseus library.
+//
+// The CortexTheseus library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The CortexTheseus library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the CortexTheseus library. If not, see <http://www.gnu.org/licenses/>.
+
+package robot
+
+import (
+	"context"
+	"errors"
+	"github.com/CortexFoundation/CortexTheseus/common"
+	"github.com/CortexFoundation/CortexTheseus/common/mclock"
+	"github.com/CortexFoundation/CortexTheseus/log"
+	"github.com/CortexFoundation/torrentfs/params"
+	"github.com/CortexFoundation/torrentfs/types"
+	"time"
+)
+
+func (m *Monitor) parseFileMeta(tx *types.Transaction, meta *types.FileMeta, b *types.Block) error {
+	log.Debug("Monitor", "FileMeta", meta)
+
+	receipt, err := m.getReceipt(tx.Hash.String())
+	if err != nil {
+		return err
+	}
+
+	if receipt.ContractAddr == nil {
+		log.Warn("contract address is nil, waiting for indexing", "tx.Hash.String()", tx.Hash.String())
+		return errors.New("contract address is nil")
+	}
+
+	log.Debug("Transaction Receipt", "address", receipt.ContractAddr.String(), "gas", receipt.GasUsed, "status", receipt.Status) //, "tx", receipt.TxHash.String())
+
+	if receipt.Status != 1 {
+		log.Warn("receipt.Status is wrong", "receipt.Status", receipt.Status)
+		return nil
+	}
+
+	log.Debug("Meta data", "meta", meta)
+
+	info := m.fs.NewFileInfo(meta)
+
+	info.LeftSize = meta.RawSize
+	info.ContractAddr = receipt.ContractAddr
+	info.Relate = append(info.Relate, *info.ContractAddr)
+	op, update, err := m.fs.AddFile(info)
+	if err != nil {
+		log.Warn("Create file failed", "err", err)
+		return err
+	}
+	if update && op == 1 {
+		log.Debug("Create new file", "ih", meta.InfoHash, "op", op)
+
+		ctx, cancel := context.WithTimeout(context.Background(), timeout)
+		defer cancel()
+		if m.mode == params.FULL {
+			return m.download(ctx, meta.InfoHash, 512*1024)
+		} else {
+			return m.download(ctx, meta.InfoHash, 0)
+		}
+	}
+	return nil
+}
+
+func (m *Monitor) parseBlockTorrentInfo(b *types.Block) (bool, error) {
+	var (
+		record bool
+		start  = mclock.Now()
+		final  []types.Transaction
+	)
+	for _, tx := range b.Txs {
+		if meta := tx.Parse(); meta != nil {
+			log.Debug("Data encounter", "ih", meta.InfoHash, "number", b.Number, "meta", meta)
+			if err := m.parseFileMeta(&tx, meta, b); err != nil {
+				log.Error("Parse file meta error", "err", err, "number", b.Number)
+				return false, err
+			}
+			record = true
+			final = append(final, tx)
+		} else if tx.IsFlowControl() {
+			if tx.Recipient == nil {
+				continue
+			}
+			file := m.fs.GetFileByAddr(*tx.Recipient)
+			if file == nil {
+				continue
+			}
+			receipt, err := m.getReceipt(tx.Hash.String())
+			if err != nil {
+				return false, err
+			}
+			if receipt.Status != 1 || receipt.GasUsed != params.UploadGas {
+				continue
+			}
+			remainingSize, err := m.getRemainingSize((*tx.Recipient).String())
+			if err != nil {
+				log.Error("Get remain failed", "err", err, "addr", (*tx.Recipient).String())
+				return false, err
+			}
+			if file.LeftSize > remainingSize {
+				file.LeftSize = remainingSize
+				if _, progress, err := m.fs.AddFile(file); err != nil {
+					return false, err
+				} else if progress { // && progress {
+					log.Debug("Update storage success", "ih", file.Meta.InfoHash, "left", file.LeftSize)
+					var bytesRequested uint64
+					if file.Meta.RawSize > file.LeftSize {
+						bytesRequested = file.Meta.RawSize - file.LeftSize
+					}
+					if file.LeftSize == 0 {
+						log.Debug("Data processing completed !!!", "ih", file.Meta.InfoHash, "addr", (*tx.Recipient).String(), "remain", common.StorageSize(remainingSize), "request", common.StorageSize(bytesRequested), "raw", common.StorageSize(file.Meta.RawSize), "number", b.Number)
+					} else {
+						log.Debug("Data processing ...", "ih", file.Meta.InfoHash, "addr", (*tx.Recipient).String(), "remain", common.StorageSize(remainingSize), "request", common.StorageSize(bytesRequested), "raw", common.StorageSize(file.Meta.RawSize), "number", b.Number)
+					}
+					ctx, cancel := context.WithTimeout(context.Background(), timeout)
+					defer cancel()
+					if err := m.download(ctx, file.Meta.InfoHash, bytesRequested); err != nil {
+						return false, err
+					}
+				}
+			}
+			record = true
+			final = append(final, tx)
+		}
+	}
+	if len(final) > 0 && len(final) < len(b.Txs) {
+		log.Debug("Final txs layout", "total", len(b.Txs), "final", len(final), "num", b.Number, "txs", m.fs.Txs())
+		b.Txs = final
+	}
+	if record {
+		if err := m.fs.AddBlock(b); err == nil {
+			log.Info("Root has been changed", "number", b.Number, "hash", b.Hash, "root", m.fs.Root())
+		} else {
+			log.Warn("Block added failed", "number", b.Number, "hash", b.Hash, "root", m.fs.Root(), "err", err)
+		}
+	}
+	if len(b.Txs) > 0 {
+		elapsed := time.Duration(mclock.Now()) - time.Duration(start)
+		log.Trace("Transactions scanning", "count", len(b.Txs), "number", b.Number, "elapsed", common.PrettyDuration(elapsed))
+	}
+	return record, nil
+}