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
|
// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"context"
"github.com/matrix-org/dendrite/federationapi/storage/shared/receipt"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/relayapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/fclient"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/sirupsen/logrus"
)
// SetRelayingEnabled implements api.RelayInternalAPI
func (r *RelayInternalAPI) SetRelayingEnabled(enabled bool) {
r.relayingEnabledMutex.Lock()
defer r.relayingEnabledMutex.Unlock()
r.relayingEnabled = enabled
}
// RelayingEnabled implements api.RelayInternalAPI
func (r *RelayInternalAPI) RelayingEnabled() bool {
r.relayingEnabledMutex.Lock()
defer r.relayingEnabledMutex.Unlock()
return r.relayingEnabled
}
// PerformRelayServerSync implements api.RelayInternalAPI
func (r *RelayInternalAPI) PerformRelayServerSync(
ctx context.Context,
userID spec.UserID,
relayServer spec.ServerName,
) error {
// Providing a default RelayEntry (EntryID = 0) is done to ask the relay if there are any
// transactions available for this node.
prevEntry := fclient.RelayEntry{}
asyncResponse, err := r.fedClient.P2PGetTransactionFromRelay(ctx, userID, prevEntry, relayServer)
if err != nil {
logrus.Errorf("P2PGetTransactionFromRelay: %s", err.Error())
return err
}
r.processTransaction(&asyncResponse.Transaction)
prevEntry = fclient.RelayEntry{EntryID: asyncResponse.EntryID}
for asyncResponse.EntriesQueued {
// There are still more entries available for this node from the relay.
logrus.Infof("Retrieving next entry from relay, previous: %v", prevEntry)
asyncResponse, err = r.fedClient.P2PGetTransactionFromRelay(ctx, userID, prevEntry, relayServer)
prevEntry = fclient.RelayEntry{EntryID: asyncResponse.EntryID}
if err != nil {
logrus.Errorf("P2PGetTransactionFromRelay: %s", err.Error())
return err
}
r.processTransaction(&asyncResponse.Transaction)
}
return nil
}
// PerformStoreTransaction implements api.RelayInternalAPI
func (r *RelayInternalAPI) PerformStoreTransaction(
ctx context.Context,
transaction gomatrixserverlib.Transaction,
userID spec.UserID,
) error {
logrus.Warnf("Storing transaction for %v", userID)
receipt, err := r.db.StoreTransaction(ctx, transaction)
if err != nil {
logrus.Errorf("db.StoreTransaction: %s", err.Error())
return err
}
err = r.db.AssociateTransactionWithDestinations(
ctx,
map[spec.UserID]struct{}{
userID: {},
},
transaction.TransactionID,
receipt)
return err
}
// QueryTransactions implements api.RelayInternalAPI
func (r *RelayInternalAPI) QueryTransactions(
ctx context.Context,
userID spec.UserID,
previousEntry fclient.RelayEntry,
) (api.QueryRelayTransactionsResponse, error) {
logrus.Infof("QueryTransactions for %s", userID.String())
if previousEntry.EntryID > 0 {
logrus.Infof("Cleaning previous entry (%v) from db for %s",
previousEntry.EntryID,
userID.String(),
)
prevReceipt := receipt.NewReceipt(previousEntry.EntryID)
err := r.db.CleanTransactions(ctx, userID, []*receipt.Receipt{&prevReceipt})
if err != nil {
logrus.Errorf("db.CleanTransactions: %s", err.Error())
return api.QueryRelayTransactionsResponse{}, err
}
}
transaction, receipt, err := r.db.GetTransaction(ctx, userID)
if err != nil {
logrus.Errorf("db.GetTransaction: %s", err.Error())
return api.QueryRelayTransactionsResponse{}, err
}
response := api.QueryRelayTransactionsResponse{}
if transaction != nil && receipt != nil {
logrus.Infof("Obtained transaction (%v) for %s", transaction.TransactionID, userID.String())
response.Transaction = *transaction
response.EntryID = receipt.GetNID()
response.EntriesQueued = true
} else {
logrus.Infof("No more entries in the queue for %s", userID.String())
response.EntryID = 0
response.EntriesQueued = false
}
return response, nil
}
func (r *RelayInternalAPI) processTransaction(txn *gomatrixserverlib.Transaction) {
logrus.Warn("Processing transaction from relay server")
mu := internal.NewMutexByRoom()
t := internal.NewTxnReq(
r.rsAPI,
nil,
r.serverName,
r.keyRing,
mu,
r.producer,
r.presenceEnabledInbound,
txn.PDUs,
txn.EDUs,
txn.Origin,
txn.TransactionID,
txn.Destination)
t.ProcessTransaction(context.TODO())
}
|
