/
event_log_server.go
119 lines (107 loc) · 3.2 KB
/
event_log_server.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
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package server
import (
"context"
"github.com/goodrain/rainbond/eventlog/conf"
"github.com/goodrain/rainbond/eventlog/store"
"fmt"
"io"
"net"
"github.com/goodrain/rainbond/eventlog/entry/grpc/pb"
"github.com/Sirupsen/logrus"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
type EventLogRPCServer struct {
conf conf.EventLogServerConf
log *logrus.Entry
cancel func()
context context.Context
storemanager store.Manager
messageChan chan []byte
listenErr chan error
lis net.Listener
}
//NewServer server
func NewServer(conf conf.EventLogServerConf, log *logrus.Entry, storeManager store.Manager, listenErr chan error) *EventLogRPCServer {
ctx, cancel := context.WithCancel(context.Background())
return &EventLogRPCServer{
conf: conf,
log: log,
storemanager: storeManager,
context: ctx,
cancel: cancel,
messageChan: storeManager.ReceiveMessageChan(),
listenErr: listenErr,
}
}
//Start start grpc server
func (s *EventLogRPCServer) Start() error {
lis, err := net.Listen("tcp", fmt.Sprintf("%s:%d", s.conf.BindIP, s.conf.BindPort+1))
if err != nil {
logrus.Errorf("failed to listen: %v", err)
return err
}
s.lis = lis
server := grpc.NewServer()
pb.RegisterEventLogServer(server, s)
// Register reflection service on gRPC server.
reflection.Register(server)
go func() {
if err := server.Serve(lis); err != nil {
s.log.Error("event log api grpc listen error.", err.Error())
s.listenErr <- err
}
}()
s.log.Infof("event message grpc server listen %s:%d", s.conf.BindIP, s.conf.BindPort+1)
return nil
}
//Stop stop
func (s *EventLogRPCServer) Stop() {
s.cancel()
// if s.lis != nil {
// s.lis.Close()
// }
}
//Log impl EventLogServerServer
func (s *EventLogRPCServer) Log(stream pb.EventLog_LogServer) error {
for {
select {
case <-s.context.Done():
if err := stream.SendAndClose(&pb.Reply{Status: "success", Message: "server closed"}); err != nil {
return err
}
return nil
default:
}
log, err := stream.Recv()
if err != nil {
if err == io.EOF {
s.log.Error("receive log error:", err.Error())
if err := stream.SendAndClose(&pb.Reply{Status: "success"}); err != nil {
return err
}
return nil
}
return err
}
s.log.Debug(string(log.Log))
select {
case s.messageChan <- log.Log:
default:
}
}
}