dex: copy fetcher and downloader from eth

1 files changed, 43 insertions, 0 deletions

diff --git a/dex/downloader/metrics.go b/dex/downloader/metrics.go
new file mode 100644
index 000000000..0d6041712
--- /dev/null
+++ b/dex/downloader/metrics.go
@@ -0,0 +1,43 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Contains the metrics collected by the downloader.
+
+package downloader
+
+import (
+	"github.com/dexon-foundation/dexon/metrics"
+)
+
+var (
+	headerInMeter      = metrics.NewRegisteredMeter("dex/downloader/headers/in", nil)
+	headerReqTimer     = metrics.NewRegisteredTimer("dex/downloader/headers/req", nil)
+	headerDropMeter    = metrics.NewRegisteredMeter("dex/downloader/headers/drop", nil)
+	headerTimeoutMeter = metrics.NewRegisteredMeter("dex/downloader/headers/timeout", nil)
+
+	bodyInMeter      = metrics.NewRegisteredMeter("dex/downloader/bodies/in", nil)
+	bodyReqTimer     = metrics.NewRegisteredTimer("dex/downloader/bodies/req", nil)
+	bodyDropMeter    = metrics.NewRegisteredMeter("dex/downloader/bodies/drop", nil)
+	bodyTimeoutMeter = metrics.NewRegisteredMeter("dex/downloader/bodies/timeout", nil)
+
+	receiptInMeter      = metrics.NewRegisteredMeter("dex/downloader/receipts/in", nil)
+	receiptReqTimer     = metrics.NewRegisteredTimer("dex/downloader/receipts/req", nil)
+	receiptDropMeter    = metrics.NewRegisteredMeter("dex/downloader/receipts/drop", nil)
+	receiptTimeoutMeter = metrics.NewRegisteredMeter("dex/downloader/receipts/timeout", nil)
+
+	stateInMeter   = metrics.NewRegisteredMeter("dex/downloader/states/in", nil)
+	stateDropMeter = metrics.NewRegisteredMeter("dex/downloader/states/drop", nil)
+)