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les, les/lespay/client: add service value statistics and API (#20837)

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This PR adds service value measurement statistics to the light client. It
also adds a private API that makes these statistics accessible. A follow-up
PR will add the new server pool which uses these statistics to select
servers with good performance.

This document describes the function of the new components:
https://gist.github.com/zsfelfoldi/3c7ace895234b7b345ab4f71dab102d4

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
This commit is contained in:
Felföldi Zsolt
2020-04-09 11:55:32 +02:00
committed by GitHub
parent 15540ae992
commit 0851646e48
17 changed files with 2142 additions and 38 deletions
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8
les/client_handler.go
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@ -180,6 +180,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrRequestRejected, "")
}
p.updateFlowControl(update)
p.updateVtParams()
if req.Hash != (common.Hash{}) {
if p.announceType == announceTypeNone {
@ -205,6 +206,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
if h.fetcher.requestedID(resp.ReqID) {
h.fetcher.deliverHeaders(p, resp.ReqID, resp.Headers)
} else {
@ -222,6 +224,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
deliverMsg = &Msg{
MsgType: MsgBlockBodies,
ReqID: resp.ReqID,
@ -237,6 +240,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
deliverMsg = &Msg{
MsgType: MsgCode,
ReqID: resp.ReqID,
@ -252,6 +256,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
deliverMsg = &Msg{
MsgType: MsgReceipts,
ReqID: resp.ReqID,
@ -267,6 +272,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
deliverMsg = &Msg{
MsgType: MsgProofsV2,
ReqID: resp.ReqID,
@ -282,6 +288,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
deliverMsg = &Msg{
MsgType: MsgHelperTrieProofs,
ReqID: resp.ReqID,
@ -297,6 +304,7 @@ func (h *clientHandler) handleMsg(p *serverPeer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
p.fcServer.ReceivedReply(resp.ReqID, resp.BV)
p.answeredRequest(resp.ReqID)
deliverMsg = &Msg{
MsgType: MsgTxStatus,
ReqID: resp.ReqID,