-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.go
102 lines (85 loc) · 2.4 KB
/
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
// Copyright (C) 2020 Satoshi Konno. All rights reserved.
//
// 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 mysql
import (
"net"
"strconv"
"github.com/cybergarage/go-logger/log"
"github.com/cybergarage/go-tracing/tracer"
)
// Server represents a MySQL-compatible server.
type Server struct {
tracer.Tracer
*Config
ConnMap
AuthHandler
QueryHandler
queryExecutor QueryExecutor
listener *Listener
}
// NewServer returns a new server instance.
func NewServer() *Server {
server := &Server{
Tracer: tracer.NullTracer,
Config: NewDefaultConfig(),
ConnMap: NewConnMap(),
AuthHandler: NewDefaultAuthHandler(),
QueryHandler: nil,
queryExecutor: nil,
listener: nil,
}
return server
}
// SetTracer sets a tracing tracer.
func (server *Server) SetTracer(t tracer.Tracer) {
server.Tracer = t
}
// SetAuthHandler sets a user authentication handler.
func (server *Server) SetAuthHandler(h AuthHandler) {
server.AuthHandler = h
}
// SetQueryExecutor sets a query executor.
func (server *Server) SetQueryExecutor(e QueryExecutor) {
server.queryExecutor = e
}
// Start starts the server.
func (server *Server) Start() error {
hostPort := net.JoinHostPort(server.Address, strconv.Itoa(server.Port))
l, err := NewListener("tcp", hostPort, server, server, 0, 0, false)
if err != nil {
return err
}
server.listener = l
go server.listener.Accept()
log.Infof("%s/%s (%s) started", PackageName, Version, hostPort)
return nil
}
// Stop stops the server.
func (server *Server) Stop() error {
if server.listener != nil {
server.listener.Close()
server.listener = nil
}
hostPort := net.JoinHostPort(server.Address, strconv.Itoa(server.Port))
log.Infof("%s/%s (%s) terminated", PackageName, Version, hostPort)
return nil
}
// Restart restarts the server.
func (server *Server) Restart() error {
err := server.Stop()
if err != nil {
return err
}
return server.Start()
}