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
|
// Copyright 2017 Vector Creations Ltd
//
// 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 input contains the code processes new room events
package input
import (
"context"
"encoding/json"
"net/http"
"sync"
"github.com/Shopify/sarama"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/util"
)
// RoomserverInputAPI implements api.RoomserverInputAPI
type RoomserverInputAPI struct {
DB storage.Database
Producer sarama.SyncProducer
// The kafkaesque topic to output new room events to.
// This is the name used in kafka to identify the stream to write events to.
OutputRoomEventTopic string
// Protects calls to processRoomEvent
mutex sync.Mutex
}
// WriteOutputEvents implements OutputRoomEventWriter
func (r *RoomserverInputAPI) WriteOutputEvents(roomID string, updates []api.OutputEvent) error {
messages := make([]*sarama.ProducerMessage, len(updates))
for i := range updates {
value, err := json.Marshal(updates[i])
if err != nil {
return err
}
messages[i] = &sarama.ProducerMessage{
Topic: r.OutputRoomEventTopic,
Key: sarama.StringEncoder(roomID),
Value: sarama.ByteEncoder(value),
}
}
return r.Producer.SendMessages(messages)
}
// InputRoomEvents implements api.RoomserverInputAPI
func (r *RoomserverInputAPI) InputRoomEvents(
ctx context.Context,
request *api.InputRoomEventsRequest,
response *api.InputRoomEventsResponse,
) (err error) {
// We lock as processRoomEvent can only be called once at a time
r.mutex.Lock()
defer r.mutex.Unlock()
for i := range request.InputRoomEvents {
if response.EventID, err = processRoomEvent(ctx, r.DB, r, request.InputRoomEvents[i]); err != nil {
return err
}
}
for i := range request.InputInviteEvents {
if err = processInviteEvent(ctx, r.DB, r, request.InputInviteEvents[i]); err != nil {
return err
}
}
return nil
}
// SetupHTTP adds the RoomserverInputAPI handlers to the http.ServeMux.
func (r *RoomserverInputAPI) SetupHTTP(servMux *http.ServeMux) {
servMux.Handle(api.RoomserverInputRoomEventsPath,
common.MakeInternalAPI("inputRoomEvents", func(req *http.Request) util.JSONResponse {
var request api.InputRoomEventsRequest
var response api.InputRoomEventsResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.MessageResponse(http.StatusBadRequest, err.Error())
}
if err := r.InputRoomEvents(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
}
|
