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fix: request cleanup jobs

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This commit is contained in:
Jon Lundy 2022-12-19 10:50:38 -07:00
parent 7315759b20
commit 250395d6b3
Signed by untrusted user who does not match committer: xuu
GPG Key ID: C63E6D61F3035024
18 changed files with 575 additions and 227 deletions
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18
app/peerfinder/assets/peerfinder.css
View File

@ -38,3 +38,21 @@ body {
.container-narrow > hr {
margin: 30px 0;
}
.table tbody tr th {
width: 70%
}
@media (prefers-color-scheme: dark) {
body, .panel-body {
color: white;
background-color: #121212;
}
.table-striped > tbody > tr:nth-of-type(2n+1) {
background-color: darkslategray;
}
}
@media (prefers-color-scheme: light) {
}

28
app/peerfinder/ev-peer.go
View File

@ -5,6 +5,10 @@ import (
"strconv"
"strings"
"time"
"github.com/keys-pub/keys/json"
"github.com/sour-is/ev/pkg/es/event"
"github.com/sour-is/ev/pkg/set"
)
type Time time.Time
@ -49,7 +53,9 @@ func (t *ipFamily) UnmarshalJSON(b []byte) error {
type peerType []string
func (t *peerType) UnmarshalJSON(b []byte) error {
*t = strings.Split(strings.Trim(string(b), `"`), ",")
var bs string
json.Unmarshal(b, &bs)
*t = strings.Split(bs, ",")
return nil
}
@ -70,7 +76,7 @@ func (p *Peer) CanSupport(ip string) bool {
if addr == nil {
return false
}
if !addr.IsGlobalUnicast() {
if !(addr.IsGlobalUnicast() || addr.IsLoopback() || addr.IsPrivate()) {
return false
}
@ -85,3 +91,21 @@ func (p *Peer) CanSupport(ip string) bool {
return true
}
type PeerResults struct {
set.Set[string]
event.AggregateRoot
}
func (p *PeerResults) ApplyEvent(lis ...event.Event) {
for _, e := range lis {
switch e := e.(type) {
case *ResultSubmitted:
if p.Set == nil {
p.Set = set.New[string]()
}
p.Set.Add(e.RequestID)
}
}
}

75
app/peerfinder/ev-request.go
View File

@ -10,6 +10,7 @@ import (
"github.com/oklog/ulid"
"github.com/sour-is/ev/pkg/es/event"
"github.com/sour-is/ev/pkg/set"
)
type Request struct {
@ -19,8 +20,11 @@ type Request struct {
RequestIP string `json:"req_ip"`
Hidden bool `json:"hide,omitempty"`
Created time.Time `json:"req_created"`
Family int `json:"family"`
Responses []Response `json:"responses"`
Responses []*Response `json:"responses"`
peers set.Set[string]
initial *RequestSubmitted
}
var _ event.Aggregate = (*Request)(nil)
@ -33,8 +37,19 @@ func (a *Request) ApplyEvent(lis ...event.Event) {
a.RequestIP = e.RequestIP
a.Hidden = e.Hidden
a.Created = ulid.Time(e.EventMeta().EventID.Time())
a.Family = e.Family()
a.initial = e
case *ResultSubmitted:
a.Responses = append(a.Responses, Response{
if a.peers == nil {
a.peers = set.New[string]()
}
if a.peers.Has(e.PeerID) {
continue
}
a.peers.Add(e.PeerID)
a.Responses = append(a.Responses, &Response{
PeerID: e.PeerID,
ScriptVersion: e.PeerVersion,
Latency: e.Latency,
@ -50,6 +65,25 @@ func (a *Request) ApplyEvent(lis ...event.Event) {
}
}
func (a *Request) MarshalEnviron() ([]byte, error) {
return a.initial.MarshalEnviron()
}
func (a *Request) CreatedString() string {
return a.Created.Format("2006-01-02 15:04:05")
}
type ListRequest []*Request
func (lis ListRequest) Len() int {
return len(lis)
}
func (lis ListRequest) Less(i, j int) bool {
return lis[i].Created.Before(lis[j].Created)
}
func (lis ListRequest) Swap(i, j int) {
lis[i], lis[j] = lis[j], lis[i]
}
type Response struct {
Peer *Peer `json:"peer"`
PeerID string `json:"-"`
@ -66,12 +100,15 @@ type Response struct {
Created time.Time `json:"res_created"`
}
type ListResponse []Response
type ListResponse []*Response
func (lis ListResponse) Len() int {
return len(lis)
}
func (lis ListResponse) Less(i, j int) bool {
if lis[i].Latency == 0.0 {
return false
}
return lis[i].Latency < lis[j].Latency
}
func (lis ListResponse) Swap(i, j int) {
@ -112,6 +149,9 @@ func (r *RequestSubmitted) Family() int {
return 2
}
}
func (r *RequestSubmitted) String() string {
return fmt.Sprint(r.eventMeta.EventID, r.RequestIP, r.Hidden, r.CreatedString())
}
var _ event.Event = (*RequestSubmitted)(nil)
@ -200,3 +240,32 @@ func (e *ResultSubmitted) UnmarshalBinary(b []byte) error {
func (e *ResultSubmitted) String() string {
return fmt.Sprintf("id: %s\npeer: %s\nversion: %s\nlatency: %0.4f", e.RequestID, e.PeerID, e.PeerVersion, e.Latency)
}
type RequestTruncated struct {
RequestID string
eventMeta event.Meta
}
var _ event.Event = (*RequestTruncated)(nil)
func (e *RequestTruncated) EventMeta() event.Meta {
if e == nil {
return event.Meta{}
}
return e.eventMeta
}
func (e *RequestTruncated) SetEventMeta(m event.Meta) {
if e != nil {
e.eventMeta = m
}
}
func (e *RequestTruncated) MarshalBinary() (text []byte, err error) {
return json.Marshal(e)
}
func (e *RequestTruncated) UnmarshalBinary(b []byte) error {
return json.Unmarshal(b, e)
}
func (e *RequestTruncated) String() string {
return fmt.Sprintf("request truncated id: %s\n", e.RequestID)
}

269
app/peerfinder/http.go
View File

@ -15,7 +15,7 @@ import (
"strconv"
"strings"
"github.com/oklog/ulid"
"github.com/oklog/ulid/v2"
contentnegotiation "gitlab.com/jamietanna/content-negotiation-go"
"go.opentelemetry.io/otel/attribute"
@ -58,6 +58,10 @@ func (s *service) RegisterHTTP(mux *http.ServeMux) {
mux.Handle("/peers/", lg.Htrace(s, "peers"))
}
func (s *service) Setup() error {
return nil
}
// ServeHTTP handle HTTP requests
func (s *service) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
@ -67,6 +71,12 @@ func (s *service) ServeHTTP(w http.ResponseWriter, r *http.Request) {
r = r.WithContext(ctx)
if !s.up.Load() {
w.WriteHeader(http.StatusFailedDependency)
fmt.Fprint(w, "Starting up...")
return
}
switch r.Method {
case http.MethodGet:
switch {
@ -81,11 +91,14 @@ func (s *service) ServeHTTP(w http.ResponseWriter, r *http.Request) {
case strings.HasPrefix(r.URL.Path, "/peers/status"):
s.state.Modify(r.Context(), func(ctx context.Context, state *state) error {
for id, p := range state.requests {
fmt.Fprintln(w, "REQ: ", id, p.RequestIP, len(p.Responses))
for id, r := range p.Responses {
for id, rq := range state.requests {
fmt.Fprintln(w, "REQ: ", id, rq.RequestIP, len(rq.Responses))
for id, r := range rq.Responses {
fmt.Fprintln(w, " RES: ", id, r.PeerID[24:], r.Latency, r.Jitter)
}
for p := range rq.peers {
fmt.Fprintln(w, " PEER: ", p[24:])
}
}
return nil
@ -114,19 +127,19 @@ func (s *service) ServeHTTP(w http.ResponseWriter, r *http.Request) {
return
}
}
func (s *service) getPending(w http.ResponseWriter, r *http.Request, uuid string) {
func (s *service) getPending(w http.ResponseWriter, r *http.Request, peerID string) {
ctx, span := lg.Span(r.Context())
defer span.End()
span.SetAttributes(
attribute.String("uuid", uuid),
attribute.String("peerID", peerID),
)
var peer *Peer
err := s.state.Modify(ctx, func(ctx context.Context, state *state) error {
var ok bool
if peer, ok = state.peers[uuid]; !ok {
return fmt.Errorf("peer not found: %s", uuid)
if peer, ok = state.peers[peerID]; !ok {
return fmt.Errorf("peer not found: %s", peerID)
}
return nil
@ -153,16 +166,30 @@ func (s *service) getPending(w http.ResponseWriter, r *http.Request, uuid string
return
}
responses, err := s.es.Read(ctx, aggPeer(uuid), -1, -30)
peerResults := &PeerResults{}
peerResults.SetStreamID(aggPeer(peerID))
err = s.es.Load(ctx, peerResults)
if err != nil {
span.RecordError(err)
w.WriteHeader(http.StatusInternalServerError)
return
span.RecordError(fmt.Errorf("peer not found: %w", err))
w.WriteHeader(http.StatusNotFound)
}
span.AddEvent(fmt.Sprintf("req = %d, res = %d", len(requests), len(responses)))
var req *Request
for _, e := range requests {
r := &Request{}
r.ApplyEvent(e)
req := filter(peer, requests, responses)
if !peerResults.Has(r.RequestID) {
if !peer.CanSupport(r.RequestIP) {
continue
}
req = r
}
}
if req == nil {
span.RecordError(fmt.Errorf("request not found"))
w.WriteHeader(http.StatusNoContent)
}
negotiator := contentnegotiation.NewNegotiator("application/json", "text/environment", "text/plain", "text/html")
negotiated, _, err := negotiator.Negotiate(r.Header.Get("Accept"))
@ -190,9 +217,9 @@ func (s *service) getPending(w http.ResponseWriter, r *http.Request, uuid string
Created string `json:"req_created"`
}{
info.ScriptVersion,
req.RequestID(),
req.RequestID,
req.RequestIP,
strconv.Itoa(req.Family()),
strconv.Itoa(req.Family),
req.CreatedString(),
}
}
@ -204,34 +231,53 @@ func (s *service) getResults(w http.ResponseWriter, r *http.Request) {
ctx, span := lg.Span(r.Context())
defer span.End()
events, err := s.es.Read(ctx, queueRequests, -1, -30)
if err != nil {
span.RecordError(err)
w.WriteHeader(http.StatusInternalServerError)
return
// events, err := s.es.Read(ctx, queueRequests, -1, -30)
// if err != nil {
// span.RecordError(err)
// w.WriteHeader(http.StatusInternalServerError)
// return
// }
// requests := make([]*Request, len(events))
// for i, req := range events {
// if req, ok := req.(*RequestSubmitted); ok {
// requests[i], err = s.loadResult(ctx, req.RequestID())
// if err != nil {
// span.RecordError(err)
// w.WriteHeader(http.StatusInternalServerError)
// return
// }
// }
// }
var requests ListRequest
s.state.Modify(ctx, func(ctx context.Context, state *state) error {
requests = make([]*Request, 0, len(state.requests))
for _, req := range state.requests {
if req.RequestID == "" {
continue
}
if req.Hidden {
continue
}
requests := make([]*Request, len(events))
for i, req := range events {
if req, ok := req.(*RequestSubmitted); ok {
requests[i], err = s.loadResult(ctx, req.RequestID())
if err != nil {
span.RecordError(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
}
requests = append(requests, req)
}
return nil
})
sort.Sort(sort.Reverse(requests))
args := requestArgs(r)
args.Requests = requests
args.Requests = requests[:maxResults]
s.state.Modify(ctx, func(ctx context.Context, state *state) error {
args.CountPeers = len(state.peers)
return nil
})
t := templates["home.tpl"]
t := templates["home.go.tpl"]
t.Execute(w, args)
}
func (s *service) getResultsForRequest(w http.ResponseWriter, r *http.Request, uuid string) {
@ -242,7 +288,20 @@ func (s *service) getResultsForRequest(w http.ResponseWriter, r *http.Request, u
attribute.String("uuid", uuid),
)
request, err := s.loadResult(ctx, uuid)
var request *Request
err := s.state.Modify(ctx, func(ctx context.Context, state *state) error {
request = state.requests[uuid]
return nil
})
if err != nil {
w.WriteHeader(http.StatusNotFound)
return
}
request, err = s.loadResult(ctx, request)
// request, err := s.loadResult(ctx, uuid)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
@ -265,7 +324,7 @@ func (s *service) getResultsForRequest(w http.ResponseWriter, r *http.Request, u
args := requestArgs(r)
args.Requests = append(args.Requests, request)
span.AddEvent(fmt.Sprint(args))
err := renderTo(w, "req.tpl", args)
err := renderTo(w, "req.go.tpl", args)
span.RecordError(err)
return
@ -295,7 +354,7 @@ func (s *service) postRequest(w http.ResponseWriter, r *http.Request) {
req := &RequestSubmitted{
RequestIP: ip.String(),
}
if hidden, err := strconv.ParseBool(r.Form.Get("req_hidden")); err != nil {
if hidden, err := strconv.ParseBool(r.Form.Get("req_hidden")); err == nil {
req.Hidden = hidden
}
@ -307,15 +366,15 @@ func (s *service) postRequest(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/peers/req/"+req.RequestID(), http.StatusSeeOther)
}
func (s *service) postResult(w http.ResponseWriter, r *http.Request, id string) {
func (s *service) postResult(w http.ResponseWriter, r *http.Request, reqID string) {
ctx, span := lg.Span(r.Context())
defer span.End()
span.SetAttributes(
attribute.String("id", id),
attribute.String("id", reqID),
)
if _, err := ulid.ParseStrict(id); err != nil {
if _, err := ulid.ParseStrict(reqID); err != nil {
w.WriteHeader(http.StatusNotFound)
return
}
@ -336,10 +395,11 @@ func (s *service) postResult(w http.ResponseWriter, r *http.Request, id string)
)
peerID := r.Form.Get("peer_id")
err := s.state.Modify(ctx, func(ctx context.Context, state *state) error {
var ok bool
if _, ok = state.peers[peerID]; !ok {
// fmt.Printf("peer not found: %s\n", peerID)
log.Printf("peer not found: %s\n", peerID)
return fmt.Errorf("peer not found: %s", peerID)
}
@ -351,6 +411,20 @@ func (s *service) postResult(w http.ResponseWriter, r *http.Request, id string)
return
}
peerResults := &PeerResults{}
peerResults.SetStreamID(aggPeer(peerID))
err = s.es.Load(ctx, peerResults)
if err != nil {
span.RecordError(fmt.Errorf("peer not found: %w", err))
w.WriteHeader(http.StatusNotFound)
}
if peerResults.Has(reqID) {
span.RecordError(fmt.Errorf("request previously recorded: req=%v peer=%v", reqID, peerID))
w.WriteHeader(http.StatusAlreadyReported)
return
}
var unreach bool
latency, err := strconv.ParseFloat(r.Form.Get("res_latency"), 64)
if err != nil {
@ -358,7 +432,7 @@ func (s *service) postResult(w http.ResponseWriter, r *http.Request, id string)
}
req := &ResultSubmitted{
RequestID: id,
RequestID: reqID,
PeerID: r.Form.Get("peer_id"),
PeerVersion: r.Form.Get("peer_version"),
Latency: latency,
@ -385,21 +459,7 @@ func (s *service) postResult(w http.ResponseWriter, r *http.Request, id string)
attribute.Stringer("result", req),
)
s.state.Modify(ctx, func(ctx context.Context, state *state) error {
return nil
})
idx, err := s.es.LastIndex(ctx, aggRequest(id))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
if idx == 0 {
w.WriteHeader(http.StatusNotFound)
return
}
log.Printf("record result: %v", req)
s.es.Append(ctx, queueResults, event.NewEvents(req))
}
@ -452,7 +512,7 @@ func loadTemplates() error {
}
pt := template.New(tmpl.Name())
pt.Funcs(funcMap)
pt, err = pt.ParseFS(files, "pages/"+tmpl.Name(), "layouts/*.tpl")
pt, err = pt.ParseFS(files, "pages/"+tmpl.Name(), "layouts/*.go.tpl")
if err != nil {
log.Println(err)
@ -468,7 +528,6 @@ var funcMap = map[string]any{
"countResponses": fnCountResponses,
}
func fnOrderByPeer(rq *Request) any {
type peerResult struct {
Name string
Country string
@ -486,9 +545,27 @@ func fnOrderByPeer(rq *Request) any {
Results []peerResult
}
type listPeer []peer
func (lis listPeer) Len() int {
return len(lis)
}
func (lis listPeer) Less(i, j int) bool {
if lis[i].Latency == 0.0 {
return false
}
return lis[i].Latency < lis[j].Latency
}
func (lis listPeer) Swap(i, j int) {
lis[i], lis[j] = lis[j], lis[i]
}
func fnOrderByPeer(rq *Request) any {
peers := make(map[string]peer)
sort.Sort(ListResponse(rq.Responses))
for _, rs := range rq.Responses {
p, ok := peers[rs.Peer.Owner]
@ -512,7 +589,14 @@ func fnOrderByPeer(rq *Request) any {
peers[rs.Peer.Owner] = p
}
return peers
peerList := make(listPeer, 0, len(peers))
for _, v := range peers {
peerList = append(peerList, v)
}
sort.Sort(peerList)
return peerList
}
func fnCountResponses(rq *Request) int {
count := 0
@ -523,37 +607,38 @@ func fnCountResponses(rq *Request) int {
}
return count
}
func filter(peer *Peer, requests, responses event.Events) *RequestSubmitted {
have := make(map[string]struct{}, len(responses))
for _, res := range toList[ResultSubmitted](responses...) {
have[res.RequestID] = struct{}{}
}
for _, req := range reverse(toList[RequestSubmitted](requests...)...) {
if _, ok := have[req.RequestID()]; !ok {
if !peer.CanSupport(req.RequestIP) {
continue
}
return req
}
}
return nil
}
func toList[E any, T es.PE[E]](lis ...event.Event) []T {
newLis := make([]T, 0, len(lis))
for i := range lis {
if e, ok := lis[i].(T); ok {
newLis = append(newLis, e)
}
}
return newLis
}
func reverse[T any](s ...T) []T {
first, last := 0, len(s)-1
for first < last {
s[first], s[last] = s[last], s[first]
first++
last--
}
return s
}
// func filter(peer *Peer, requests, responses event.Events) *RequestSubmitted {
// have := make(map[string]struct{}, len(responses))
// for _, res := range toList[ResultSubmitted](responses...) {
// have[res.RequestID] = struct{}{}
// }
// for _, req := range reverse(toList[RequestSubmitted](requests...)...) {
// if _, ok := have[req.RequestID()]; !ok {
// if !peer.CanSupport(req.RequestIP) {
// continue
// }
// return req
// }
// }
// return nil
// }
// func toList[E any, T es.PE[E]](lis ...event.Event) []T {
// newLis := make([]T, 0, len(lis))
// for i := range lis {
// if e, ok := lis[i].(T); ok {
// newLis = append(newLis, e)
// }
// }
// return newLis
// }
// func reverse[T any](s ...T) []T {
// first, last := 0, len(s)-1
// for first < last {
// s[first], s[last] = s[last], s[first]
// first++
// last--
// }
// return s
// }

129
app/peerfinder/jobs.go
View File

@ -5,12 +5,13 @@ import (
"encoding/json"
"errors"
"fmt"
"log"
"net/http"
"time"
"github.com/sour-is/ev/internal/lg"
"github.com/sour-is/ev/pkg/es"
"github.com/sour-is/ev/pkg/math"
"github.com/sour-is/ev/pkg/es/event"
"github.com/sour-is/ev/pkg/set"
)
@ -40,8 +41,6 @@ func (s *service) RefreshJob(ctx context.Context, _ time.Time) error {
return err
}
span.AddEvent(fmt.Sprintf("processed %d peers", len(peers)))
err = s.state.Modify(ctx, func(ctx context.Context, t *state) error {
for _, peer := range peers {
t.peers[peer.ID] = peer
@ -50,9 +49,23 @@ func (s *service) RefreshJob(ctx context.Context, _ time.Time) error {
return nil
})
span.RecordError(err)
if err != nil {
return err
}
log.Printf("processed %d peers", len(peers))
span.AddEvent(fmt.Sprintf("processed %d peers", len(peers)))
s.up.Store(true)
err = s.cleanPeerJobs(ctx)
span.RecordError(err)
return err
}
const maxResults = 30
// CleanJob truncates streams old request data
func (s *service) CleanJob(ctx context.Context, now time.Time) error {
ctx, span := lg.Span(ctx)
@ -60,13 +73,13 @@ func (s *service) CleanJob(ctx context.Context, now time.Time) error {
span.AddEvent("clear peerfinder requests")
endRequestID, err := s.cleanRequests(ctx, now)
err := s.cleanRequests(ctx, now)
if err != nil {
return err
}
if err = s.cleanResults(ctx, endRequestID); err != nil {
return err
}
// if err = s.cleanResults(ctx, endRequestID); err != nil {
// return err
// }
return s.cleanPeerJobs(ctx)
}
@ -96,12 +109,12 @@ func (s *service) cleanPeerJobs(ctx context.Context) error {
if err != nil {
return err
}
newFirst := math.Max(int64(last-30), int64(first))
if last == 0 || newFirst == int64(first) {
// fmt.Println("SKIP", streamID, first, newFirst, last)
span.AddEvent(fmt.Sprint("SKIP", streamID, first, newFirst, last))
if last-first < maxResults {
fmt.Println("SKIP", streamID, first, last)
continue
}
newFirst := int64(last - 30)
// fmt.Println("TRUNC", streamID, first, newFirst, last)
span.AddEvent(fmt.Sprint("TRUNC", streamID, first, newFirst, last))
err = s.es.Truncate(ctx, streamID, int64(newFirst))
@ -112,41 +125,47 @@ func (s *service) cleanPeerJobs(ctx context.Context) error {
return nil
}
func (s *service) cleanRequests(ctx context.Context, now time.Time) (string, error) {
func (s *service) cleanRequests(ctx context.Context, now time.Time) error {
ctx, span := lg.Span(ctx)
defer span.End()
var streamIDs []string
var endPosition uint64
var endRequestID string
var startPosition, endPosition int64
first, err := s.es.FirstIndex(ctx, queueRequests)
if err != nil {
return err
}
last, err := s.es.LastIndex(ctx, queueRequests)
if err != nil {
return "", err
return err
}
end:
if last-first < maxResults {
// fmt.Println("SKIP", queueRequests, first, last)
return nil
}
startPosition = int64(first - 1)
endPosition = int64(last - maxResults)
for {
events, err := s.es.Read(ctx, queueRequests, int64(endPosition), 1000) // read 1000 from the top each loop.
events, err := s.es.Read(ctx, queueRequests, startPosition, 1000) // read 1000 from the top each loop.
if err != nil && !errors.Is(err, es.ErrNotFound) {
span.RecordError(err)
return "", err
return err
}
if len(events) == 0 {
break
}
endPosition = events.Last().EventMeta().ActualPosition
startPosition = int64(events.Last().EventMeta().ActualPosition)
for _, event := range events {
switch e := event.(type) {
case *RequestSubmitted:
if e.eventMeta.ActualPosition < last-30 {
streamIDs = append(streamIDs, aggRequest(e.RequestID()))
} else {
endRequestID = e.RequestID()
endPosition = e.eventMeta.ActualPosition
break end
if e.eventMeta.ActualPosition < last-maxResults {
streamIDs = append(streamIDs, e.RequestID())
}
}
}
@ -157,59 +176,39 @@ end:
span.AddEvent(fmt.Sprint("TRUNC", queueRequests, int64(endPosition), last))
err = s.es.Truncate(ctx, queueRequests, int64(endPosition))
if err != nil {
return "", err
return err
}
// truncate all the request streams
for _, streamID := range streamIDs {
last, err := s.es.LastIndex(ctx, streamID)
if err != nil {
return "", err
}
// fmt.Println("TRUNC", streamID, last)
span.AddEvent(fmt.Sprint("TRUNC", streamID, last))
err = s.es.Truncate(ctx, streamID, int64(last))
if err != nil {
return "", err
}
}
s.state.Modify(ctx, func(ctx context.Context, state *state) error {
return state.ApplyEvents(event.NewEvents(&RequestTruncated{
RequestID: streamID,
}))
})
return endRequestID, nil
}
func (s *service) cleanResults(ctx context.Context, endRequestID string) error {
ctx, span := lg.Span(ctx)
defer span.End()
var endPosition uint64
done := false
for !done {
events, err := s.es.Read(ctx, queueResults, int64(endPosition), 1000) // read 30 from the top each loop.
err := s.cleanResult(ctx, streamID)
if err != nil {
return err
}
if len(events) == 0 {
done = true
continue
}
endPosition = events.Last().EventMeta().ActualPosition
return nil
}
func (s *service) cleanResult(ctx context.Context, requestID string) error {
ctx, span := lg.Span(ctx)
defer span.End()
for _, event := range events {
switch e := event.(type) {
case *ResultSubmitted:
if e.RequestID == endRequestID {
done = true
endPosition = e.eventMeta.ActualPosition
}
}
}
streamID := aggRequest(requestID)
last, err := s.es.LastIndex(ctx, streamID)
if err != nil {
return err
}
// truncate all reqs to found end position
// fmt.Println("TRUNC", queueResults, int64(endPosition), last)
span.AddEvent(fmt.Sprint("TRUNC", queueResults, int64(endPosition)))
err := s.es.Truncate(ctx, queueResults, int64(endPosition))
// fmt.Println("TRUNC", streamID, last)
span.AddEvent(fmt.Sprint("TRUNC", streamID, last))
err = s.es.Truncate(ctx, streamID, int64(last))
if err != nil {
return err
}

0
app/peerfinder/layouts/main.tpl → app/peerfinder/layouts/main.go.tpl
View File

11
app/peerfinder/pages/home.tpl → app/peerfinder/pages/home.go.tpl
View File

@ -32,7 +32,7 @@
<div class="input-group input-group-sm">
<input class="form-control" type="text" name="req_ip" placeholder="{{ .RemoteIP }}">
<span class="input-group-addon">
<input type="checkbox" name="req_hidden" disabled value=1 aria-label="Hidden?">
<input type="checkbox" name="req_hidden" value=1 aria-label="Hidden?">
</span>
</div>
<button class="btn btn-default" type="submit">Submit</button>
@ -48,10 +48,13 @@
{{range $req := .Requests}}
<div class="panel panel-primary">
<div class="panel-heading">
<a href="/peers/req/{{ $req.RequestID }}">{{ $req.RequestIP }} on {{ $req.Created.Format "02 Jan 06 15:04 MST" }}</a>
<div style='float:right'><a href="/peers/req/{{ $req.RequestID }}" class='btn btn-success'>{{ countResponses $req }} / {{ $args.CountPeers }} </a></div>
<a href="/peers/req/{{ $req.RequestID }}">
{{ $req.RequestIP }} on {{ $req.Created.Format "02 Jan 06 15:04 MST" }}
</a> &mdash; <b>Request ID:</b> {{ $req.RequestID }}
<div style='float:right'>
<a href="/peers/req/{{ $req.RequestID }}" class='btn btn-success'>{{ countResponses $req }} / {{ $args.CountPeers }} </a>
</div>
</div>
<div class="panel-body"><b>Request ID:</b> {{ $req.RequestID }}</div>
</div>
{{end}}
{{end}}

2
app/peerfinder/pages/req.tpl → app/peerfinder/pages/req.go.tpl
View File

@ -7,7 +7,7 @@
{{define "content"}}
{{range .Requests}}
<h2>Results to {{.RequestIP}}</h2>
<h2>Results to {{.RequestIP}}{{if .Hidden}} 👁️{{end}}</h2>
{{with (orderByPeer .)}}
{{range .}}

16
app/peerfinder/service.go
View File

@ -3,6 +3,7 @@ package peerfinder
import (
"context"
"fmt"
"sync/atomic"
"time"
"github.com/sour-is/ev/internal/lg"
@ -27,6 +28,7 @@ type service struct {
statusURL string
state *locker.Locked[state]
up atomic.Bool
stop func()
}
@ -56,17 +58,15 @@ func New(ctx context.Context, es *es.EventStore, statusURL string) (*service, er
return svc, nil
}
func (s *service) loadResult(ctx context.Context, uuid string) (*Request, error) {
request := &Request{}
request.SetStreamID(aggRequest(uuid))
err := s.es.Load(ctx, request)
if err != nil {
return nil, err
func (s *service) loadResult(ctx context.Context, request *Request) (*Request, error) {
if request == nil {
return request, nil
}
return request, s.state.Modify(ctx, func(ctx context.Context, t *state) error {
for i := range request.Responses {
res := &request.Responses[i]
res := request.Responses[i]
if peer, ok := t.peers[res.PeerID]; ok {
res.Peer = peer
res.Peer.ID = ""
@ -146,6 +146,8 @@ func (s *state) ApplyEvents(events event.Events) error {
s.requests[e.RequestID] = &Request{}
}
s.requests[e.RequestID].ApplyEvent(e)
case *RequestTruncated:
delete(s.requests, e.RequestID)
}
}

7
main.go
View File

@ -83,7 +83,6 @@ func run(ctx context.Context) error {
projecter.New(
ctx,
projecter.DefaultProjection,
peerfinder.Projector,
),
)
if err != nil {
@ -135,6 +134,8 @@ func run(ctx context.Context) error {
if enable.Has("peers") {
span.AddEvent("Enable Peers")
es.Option(projecter.New(ctx, peerfinder.Projector))
peers, err := peerfinder.New(ctx, es, env("PEER_STATUS", ""))
if err != nil {
span.RecordError(err)
@ -221,6 +222,10 @@ var appName, version = func() (string, string) {
return "sour.is-ev", "(devel)"
}()
type application interface {
Setup(context.Context) error
}
type stopFns struct {
fns []func(context.Context) error
}

1
pkg/es/driver/driver.go
View File

@ -19,6 +19,7 @@ type EventLog interface {
FirstIndex(context.Context) (uint64, error)
LastIndex(context.Context) (uint64, error)
}
type EventLogWithTruncate interface {
Truncate(context.Context, int64) error
}

17
pkg/es/driver/projecter/projecter.go
View File

@ -16,10 +16,22 @@ type projector struct {
fns []func(event.Event) []event.Event
}
func New(ctx context.Context, fns ...func(event.Event) []event.Event) *projector {
func New(_ context.Context, fns ...func(event.Event) []event.Event) *projector {
return &projector{fns: fns}
}
func (p *projector) Apply(e *es.EventStore) {
up := e.Driver
for up != nil {
if op, ok := up.(*projector); ok {
op.AddProjections(p.fns...)
p.up = op.up
return
}
up = es.Unwrap(up)
}
p.up = e.Driver
e.Driver = p
}
@ -39,6 +51,9 @@ func (s *projector) EventLog(ctx context.Context, streamID string) (driver.Event
l, err := s.up.EventLog(ctx, streamID)
return &wrapper{l, s}, err
}
func (s *projector) AddProjections(fns ...func(event.Event) []event.Event) {
s.fns = append(s.fns, fns...)
}
type wrapper struct {
up driver.EventLog

57
pkg/es/driver/resolve-links/resolve-links.go
View File

@ -17,13 +17,16 @@ type resolvelinks struct {
func New() *resolvelinks {
return &resolvelinks{}
}
func (r *resolvelinks) Apply(es *es.EventStore) {
r.up = es.Driver
es.Driver = r
}
func (r *resolvelinks) Unwrap() driver.Driver {
return r.up
}
func (r *resolvelinks) Open(ctx context.Context, dsn string) (driver.Driver, error) {
ctx, span := lg.Span(ctx)
defer span.End()
@ -47,6 +50,7 @@ type wrapper struct {
func (r *wrapper) Unwrap() driver.EventLog {
return r.up
}
func (w *wrapper) Read(ctx context.Context, after int64, count int64) (event.Events, error) {
ctx, span := lg.Span(ctx)
defer span.End()
@ -56,29 +60,60 @@ func (w *wrapper) Read(ctx context.Context, after int64, count int64) (event.Eve
return nil, err
}
for i, e := range events {
switch e := e.(type) {
case *event.EventPtr:
d, err := w.resolvelinks.EventLog(ctx, e.StreamID)
idx := make(map[string][]uint64)
ptrs := make(map[string][]int)
for i := range events {
e := events[i]
if e, ok := e.(*event.EventPtr); ok {
idx[e.StreamID] = append(idx[e.StreamID], e.Pos)
ptrs[e.StreamID] = append(ptrs[e.StreamID], i)
}
}
for streamID, ids := range idx {
d, err := w.resolvelinks.EventLog(ctx, streamID)
if err != nil {
return nil, err
}
lis, err := d.ReadN(ctx, e.Pos)
ptr := ptrs[streamID]
lis, err := d.ReadN(ctx, ids...)
if err != nil && !errors.Is(err, es.ErrNotFound) {
return nil, err
}
if ne := lis.First(); ne != event.NilEvent {
meta := ne.EventMeta()
actual := e.EventMeta()
for i := range lis {
meta := lis[i].EventMeta()
actual := events[ptr[i]].EventMeta()
meta.ActualPosition = actual.Position
meta.ActualStreamID = actual.ActualStreamID
ne.SetEventMeta(meta)
events[i] = ne
}
lis[i].SetEventMeta(meta)
events[i] = lis[i]
}
}
// for i, e := range events {
// switch e := e.(type) {
// case *event.EventPtr:
// d, err := w.resolvelinks.EventLog(ctx, e.StreamID)
// if err != nil {
// return nil, err
// }
// lis, err := d.ReadN(ctx, e.Pos)
// if err != nil && !errors.Is(err, es.ErrNotFound) {
// return nil, err
// }
// if ne := lis.First(); ne != event.NilEvent {
// meta := ne.EventMeta()
// actual := e.EventMeta()
// meta.ActualPosition = actual.Position
// meta.ActualStreamID = actual.ActualStreamID
// ne.SetEventMeta(meta)
// events[i] = ne
// }
// }
// }
return events, err
}

16
pkg/es/es.go
View File

@ -100,15 +100,19 @@ func Open(ctx context.Context, dsn string, options ...Option) (*EventStore, erro
conn, err := d.Open(ctx, dsn)
es := &EventStore{Driver: conn}
for _, o := range options {
o.Apply(es)
}
es.Option(options...)
Mes_open.Add(ctx, 1)
return es, err
}
func (es *EventStore) Option(options ...Option) {
for _, o := range options {
o.Apply(es)
}
}
type Option interface {
Apply(*EventStore)
}
@ -282,10 +286,14 @@ func (es *EventStore) Truncate(ctx context.Context, streamID string, index int64
for up != nil {
if up, ok := up.(driver.EventLogWithTruncate); ok {
return up.Truncate(ctx, index)
err = up.Truncate(ctx, index)
if err != nil {
return err
}
}
up = Unwrap(up)
}
return ErrNoDriver
}

53
pkg/es/es_test.go
View File

@ -9,10 +9,13 @@ import (
"time"
"github.com/matryer/is"
"go.uber.org/multierr"
"github.com/sour-is/ev/app/peerfinder"
"github.com/sour-is/ev/pkg/es"
memstore "github.com/sour-is/ev/pkg/es/driver/mem-store"
"github.com/sour-is/ev/pkg/es/driver/projecter"
resolvelinks "github.com/sour-is/ev/pkg/es/driver/resolve-links"
"github.com/sour-is/ev/pkg/es/driver/streamer"
"github.com/sour-is/ev/pkg/es/event"
)
@ -29,9 +32,6 @@ type Thing struct {
event.AggregateRoot
}
// func (a *Thing) StreamID() string {
// return fmt.Sprintf("thing-%s", a.Name)
// }
func (a *Thing) ApplyEvent(lis ...event.Event) {
for _, e := range lis {
switch e := e.(type) {
@ -78,9 +78,6 @@ func TestES(t *testing.T) {
err := event.Register(ctx, &ValueSet{})
is.NoErr(err)
es.Init(ctx)
memstore.Init(ctx)
{
store, err := es.Open(ctx, "mem")
is.True(errors.Is(err, es.ErrNoDriver))
@ -138,9 +135,6 @@ func TestESOperations(t *testing.T) {
is := is.New(t)
ctx := context.Background()
es.Init(ctx)
memstore.Init(ctx)
store, err := es.Open(ctx, "mem:", streamer.New(ctx), projecter.New(ctx))
is.NoErr(err)
@ -187,3 +181,44 @@ func TestUnwrap(t *testing.T) {
is.Equal(es.Unwrap(werr), err)
is.Equal(es.Unwrap("test"), "")
}
func TestUnwrapProjector(t *testing.T) {
is := is.New(t)
ctx, stop := context.WithCancel(context.Background())
defer stop()
es, err := es.Open(
ctx,
"mem:",
resolvelinks.New(),
streamer.New(ctx),
projecter.New(
ctx,
projecter.DefaultProjection,
peerfinder.Projector,
),
)
is.NoErr(err)
stream := es.EventStream()
is.True(stream != nil)
}
func TestMain(m *testing.M) {
ctx, stop := context.WithCancel(context.Background())
defer stop()
err := multierr.Combine(
es.Init(ctx),
event.Init(ctx),
memstore.Init(ctx),
)
if err != nil {
fmt.Println(err)
return
}
m.Run()
}

28
pkg/es/event/events.go
View File

@ -45,6 +45,9 @@ func NewEvents(lis ...Event) Events {
for i, e := range lis {
meta := e.EventMeta()
meta.Position = uint64(i)
if meta.ActualPosition == 0 {
meta.ActualPosition = uint64(i)
}
meta.EventID = getULID()
e.SetEventMeta(meta)
}
@ -224,3 +227,28 @@ func (e *EventPtr) Values() any {
e.Pos,
}
}
type FeedTruncated struct {
eventMeta Meta
}
// EventMeta implements Event
func (e *FeedTruncated) EventMeta() Meta {
if e == nil {
return Meta{}
}
return e.eventMeta
}
// SetEventMeta implements Event
func (e *FeedTruncated) SetEventMeta(m Meta) {
if e == nil {
return
}
e.eventMeta = m
}
func (e *FeedTruncated) Values() any {
return struct {
}{}
}

13
pkg/set/set.go
View File

@ -62,11 +62,13 @@ type BoundSet[T ordered] struct {
}
func NewBoundSet[T ordered](min, max T, items ...T) *BoundSet[T] {
return &BoundSet[T]{
b := &BoundSet[T]{
min: min,
max: max,
s: New(items...),
s: New[T](),
}
b.Add(items...)
return b
}
func (l *BoundSet[T]) Add(items ...T) *BoundSet[T] {
n := 0
@ -110,5 +112,10 @@ func (l *BoundSet[T]) String() string {
n++
}
sort.Strings(lis)
return strings.Join(lis, ",")
var b strings.Builder
b.WriteString("set(")
b.WriteString(strings.Join(lis, ","))
b.WriteString(")")
return b.String()
}

14
pkg/set/set_test.go
View File

@ -23,3 +23,17 @@ func TestStringSet(t *testing.T) {
var n set.Set[string]
is.Equal(n.String(), "set(<nil>)")
}
func TestBoundSet(t *testing.T) {
is := is.New(t)
s := set.NewBoundSet(1, 100, 1, 2, 3, 100, 1001)
is.True(s.Has(1))
is.True(s.Has(2))
is.True(s.Has(3))
is.True(!s.Has(1001))
is.Equal(set.NewBoundSet(1, 100, 1).String(), "set(1)")
}