-
Notifications
You must be signed in to change notification settings - Fork 394
/
service.go
384 lines (314 loc) · 9.92 KB
/
service.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package orders
import (
"context"
"io"
"math/rand"
"time"
"github.com/spacemonkeygo/monkit/v3"
"github.com/zeebo/errs"
"go.uber.org/zap"
"golang.org/x/sync/errgroup"
"storj.io/common/pb"
"storj.io/common/rpc"
"storj.io/common/storj"
"storj.io/common/sync2"
"storj.io/storj/storagenode/trust"
)
var (
// OrderError represents errors with orders
OrderError = errs.Class("order")
// OrderNotFoundError is the error returned when an order is not found
OrderNotFoundError = errs.Class("order not found")
mon = monkit.Package()
)
// Info contains full information about an order.
type Info struct {
Limit *pb.OrderLimit
Order *pb.Order
}
// ArchivedInfo contains full information about an archived order.
type ArchivedInfo struct {
Limit *pb.OrderLimit
Order *pb.Order
Status Status
ArchivedAt time.Time
}
// Status is the archival status of the order.
type Status byte
// Statuses for satellite responses.
const (
StatusUnsent Status = iota
StatusAccepted
StatusRejected
)
// ArchiveRequest defines arguments for archiving a single order.
type ArchiveRequest struct {
Satellite storj.NodeID
Serial storj.SerialNumber
Status Status
}
// DB implements storing orders for sending to the satellite.
//
// architecture: Database
type DB interface {
// Enqueue inserts order to the list of orders needing to be sent to the satellite.
Enqueue(ctx context.Context, info *Info) error
// ListUnsent returns orders that haven't been sent yet.
ListUnsent(ctx context.Context, limit int) ([]*Info, error)
// ListUnsentBySatellite returns orders that haven't been sent yet grouped by satellite.
ListUnsentBySatellite(ctx context.Context) (map[storj.NodeID][]*Info, error)
// Archive marks order as being handled.
Archive(ctx context.Context, archivedAt time.Time, requests ...ArchiveRequest) error
// ListArchived returns orders that have been sent.
ListArchived(ctx context.Context, limit int) ([]*ArchivedInfo, error)
// CleanArchive deletes all entries older than ttl
CleanArchive(ctx context.Context, ttl time.Duration) (int, error)
}
// Config defines configuration for sending orders.
type Config struct {
MaxSleep time.Duration `help:"maximum duration to wait before trying to send orders" releaseDefault:"300s" devDefault:"1s"`
SenderInterval time.Duration `help:"duration between sending" default:"1h0m0s"`
SenderTimeout time.Duration `help:"timeout for sending" default:"1h0m0s"`
SenderDialTimeout time.Duration `help:"timeout for dialing satellite during sending orders" default:"1m0s"`
CleanupInterval time.Duration `help:"duration between archive cleanups" default:"1h0m0s"`
ArchiveTTL time.Duration `help:"length of time to archive orders before deletion" default:"168h0m0s"` // 7 days
}
// Service sends every interval unsent orders to the satellite.
//
// architecture: Chore
type Service struct {
log *zap.Logger
config Config
dialer rpc.Dialer
orders DB
trust *trust.Pool
Sender *sync2.Cycle
Cleanup *sync2.Cycle
}
// NewService creates an order service.
func NewService(log *zap.Logger, dialer rpc.Dialer, orders DB, trust *trust.Pool, config Config) *Service {
return &Service{
log: log,
dialer: dialer,
orders: orders,
config: config,
trust: trust,
Sender: sync2.NewCycle(config.SenderInterval),
Cleanup: sync2.NewCycle(config.CleanupInterval),
}
}
// Run sends orders on every interval to the appropriate satellites.
func (service *Service) Run(ctx context.Context) (err error) {
defer mon.Task()(&ctx)(&err)
var group errgroup.Group
service.Sender.Start(ctx, &group, func(ctx context.Context) error {
if err := service.sleep(ctx); err != nil {
return err
}
err := service.sendOrders(ctx)
if err != nil {
service.log.Error("sending orders failed", zap.Error(err))
}
return nil
})
service.Cleanup.Start(ctx, &group, func(ctx context.Context) error {
if err := service.sleep(ctx); err != nil {
return err
}
err := service.cleanArchive(ctx)
if err != nil {
service.log.Error("clean archive failed", zap.Error(err))
}
return nil
})
return group.Wait()
}
func (service *Service) cleanArchive(ctx context.Context) (err error) {
defer mon.Task()(&ctx)(&err)
service.log.Debug("cleaning")
deleted, err := service.orders.CleanArchive(ctx, service.config.ArchiveTTL)
if err != nil {
service.log.Error("cleaning archive", zap.Error(err))
return nil
}
service.log.Debug("cleanup finished", zap.Int("items deleted", deleted))
return nil
}
func (service *Service) sendOrders(ctx context.Context) (err error) {
defer mon.Task()(&ctx)(&err)
service.log.Debug("sending")
const batchSize = 1000
ordersBySatellite, err := service.orders.ListUnsentBySatellite(ctx)
if err != nil {
if ordersBySatellite == nil {
service.log.Error("listing orders", zap.Error(err))
return nil
}
service.log.Warn("DB contains invalid marshalled orders", zap.Error(err))
}
requests := make(chan ArchiveRequest, batchSize)
var batchGroup errgroup.Group
batchGroup.Go(func() error { return service.handleBatches(ctx, requests) })
if len(ordersBySatellite) > 0 {
var group errgroup.Group
ctx, cancel := context.WithTimeout(ctx, service.config.SenderTimeout)
defer cancel()
for satelliteID, orders := range ordersBySatellite {
satelliteID, orders := satelliteID, orders
group.Go(func() error {
service.Settle(ctx, satelliteID, orders, requests)
return nil
})
}
_ = group.Wait() // doesn't return errors
} else {
service.log.Debug("no orders to send")
}
close(requests)
err = batchGroup.Wait()
if err != nil {
service.log.Error("archiving orders", zap.Error(err))
}
return nil
}
// Settle uploads orders to the satellite.
func (service *Service) Settle(ctx context.Context, satelliteID storj.NodeID, orders []*Info, requests chan ArchiveRequest) {
log := service.log.Named(satelliteID.String())
err := service.settle(ctx, log, satelliteID, orders, requests)
if err != nil {
log.Error("failed to settle orders", zap.Error(err))
}
}
func (service *Service) handleBatches(ctx context.Context, requests chan ArchiveRequest) (err error) {
defer mon.Task()(&ctx)(&err)
// In case anything goes wrong, discard everything from the channel.
defer func() {
for range requests {
}
}()
buffer := make([]ArchiveRequest, 0, cap(requests))
archive := func(ctx context.Context, archivedAt time.Time, requests ...ArchiveRequest) error {
if err := service.orders.Archive(ctx, time.Now().UTC(), buffer...); err != nil {
if !OrderNotFoundError.Has(err) {
return err
}
service.log.Warn("some unsent order aren't in the DB", zap.Error(err))
}
return nil
}
for request := range requests {
buffer = append(buffer, request)
if len(buffer) < cap(buffer) {
continue
}
if err := archive(ctx, time.Now().UTC(), buffer...); err != nil {
return err
}
buffer = buffer[:0]
}
if len(buffer) > 0 {
return archive(ctx, time.Now().UTC(), buffer...)
}
return nil
}
func (service *Service) settle(ctx context.Context, log *zap.Logger, satelliteID storj.NodeID, orders []*Info, requests chan ArchiveRequest) (err error) {
defer mon.Task()(&ctx)(&err)
log.Info("sending", zap.Int("count", len(orders)))
defer log.Info("finished")
address, err := service.trust.GetAddress(ctx, satelliteID)
if err != nil {
return OrderError.New("unable to get satellite address: %w", err)
}
conn, err := service.dialer.DialAddressID(ctx, address, satelliteID)
if err != nil {
return OrderError.New("unable to connect to the satellite: %w", err)
}
defer func() { err = errs.Combine(err, conn.Close()) }()
stream, err := pb.NewDRPCOrdersClient(conn.Raw()).Settlement(ctx)
if err != nil {
return OrderError.New("failed to start settlement: %w", err)
}
var group errgroup.Group
var sendErrors errs.Group
group.Go(func() error {
for _, order := range orders {
req := pb.SettlementRequest{
Limit: order.Limit,
Order: order.Order,
}
err := stream.Send(&req)
if err != nil {
err = OrderError.New("sending settlement agreements returned an error: %w", err)
log.Error("rpc client when sending new orders settlements",
zap.Error(err),
zap.Any("request", req),
)
sendErrors.Add(err)
return nil
}
}
err := stream.CloseSend()
if err != nil {
err = OrderError.New("CloseSend settlement agreements returned an error: %w", err)
log.Error("rpc client error when closing sender ", zap.Error(err))
sendErrors.Add(err)
}
return nil
})
var errList errs.Group
for {
response, err := stream.Recv()
if err != nil {
if err == io.EOF {
break
}
err = OrderError.New("failed to receive settlement response: %w", err)
log.Error("rpc client error when receiving new order settlements", zap.Error(err))
errList.Add(err)
break
}
var status Status
switch response.Status {
case pb.SettlementResponse_ACCEPTED:
status = StatusAccepted
case pb.SettlementResponse_REJECTED:
status = StatusRejected
default:
err := OrderError.New("unexpected settlement status response: %d", response.Status)
log.Error("rpc client received an unexpected new orders settlement status",
zap.Error(err), zap.Any("response", response),
)
errList.Add(err)
continue
}
requests <- ArchiveRequest{
Satellite: satelliteID,
Serial: response.SerialNumber,
Status: status,
}
}
// errors of this group are reported to sendErrors and it always return nil
_ = group.Wait()
errList.Add(sendErrors...)
return errList.Err()
}
// sleep for random interval in [0;maxSleep)
// returns error if context was cancelled
func (service *Service) sleep(ctx context.Context) error {
if service.config.MaxSleep <= 0 {
return nil
}
jitter := time.Duration(rand.Int63n(int64(service.config.MaxSleep)))
if !sync2.Sleep(ctx, jitter) {
return ctx.Err()
}
return nil
}
// Close stops the sending service.
func (service *Service) Close() error {
service.Sender.Close()
service.Cleanup.Close()
return nil
}