dex: copy fetcher and downloader from eth

1 files changed, 43 insertions, 0 deletions

diff --git a/dex/fetcher/metrics.go b/dex/fetcher/metrics.go
new file mode 100644
index 000000000..23b670549
--- /dev/null
+++ b/dex/fetcher/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 fetcher.
+
+package fetcher
+
+import (
+	"github.com/dexon-foundation/dexon/metrics"
+)
+
+var (
+	propAnnounceInMeter   = metrics.NewRegisteredMeter("dex/fetcher/prop/announces/in", nil)
+	propAnnounceOutTimer  = metrics.NewRegisteredTimer("dex/fetcher/prop/announces/out", nil)
+	propAnnounceDropMeter = metrics.NewRegisteredMeter("dex/fetcher/prop/announces/drop", nil)
+	propAnnounceDOSMeter  = metrics.NewRegisteredMeter("dex/fetcher/prop/announces/dos", nil)
+
+	propBroadcastInMeter   = metrics.NewRegisteredMeter("dex/fetcher/prop/broadcasts/in", nil)
+	propBroadcastOutTimer  = metrics.NewRegisteredTimer("dex/fetcher/prop/broadcasts/out", nil)
+	propBroadcastDropMeter = metrics.NewRegisteredMeter("dex/fetcher/prop/broadcasts/drop", nil)
+	propBroadcastDOSMeter  = metrics.NewRegisteredMeter("dex/fetcher/prop/broadcasts/dos", nil)
+
+	headerFetchMeter = metrics.NewRegisteredMeter("dex/fetcher/fetch/headers", nil)
+	bodyFetchMeter   = metrics.NewRegisteredMeter("dex/fetcher/fetch/bodies", nil)
+
+	headerFilterInMeter  = metrics.NewRegisteredMeter("dex/fetcher/filter/headers/in", nil)
+	headerFilterOutMeter = metrics.NewRegisteredMeter("dex/fetcher/filter/headers/out", nil)
+	bodyFilterInMeter    = metrics.NewRegisteredMeter("dex/fetcher/filter/bodies/in", nil)
+	bodyFilterOutMeter   = metrics.NewRegisteredMeter("dex/fetcher/filter/bodies/out", nil)
+)