-
Notifications
You must be signed in to change notification settings - Fork 27
/
SessionsManager.go
240 lines (226 loc) · 6.47 KB
/
SessionsManager.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
package session
import (
"errors"
"github.com/OpenIoTHub/server-go/config"
"github.com/OpenIoTHub/utils/io"
"github.com/OpenIoTHub/utils/models"
"github.com/OpenIoTHub/utils/msg"
"github.com/gomodule/redigo/redis"
"github.com/libp2p/go-yamux"
"log"
"net"
"time"
)
type SessionsManager struct {
Session map[string]*Session
HttpProxyMap map[string]*HttpProxy
RedisPool *redis.Pool
}
var SessionsCtl SessionsManager
func InitSessionsCtl() {
SessionsCtl = SessionsManager{
Session: make(map[string]*Session),
HttpProxyMap: make(map[string]*HttpProxy),
RedisPool: &redis.Pool{
MaxIdle: 256,
MaxActive: 0,
IdleTimeout: time.Duration(120),
Dial: func() (redis.Conn, error) {
if config.ConfigMode.RedisConfig.NeedAuth {
return redis.Dial(
config.ConfigMode.RedisConfig.Network,
config.ConfigMode.RedisConfig.Address,
redis.DialReadTimeout(time.Duration(1000)*time.Millisecond),
redis.DialWriteTimeout(time.Duration(1000)*time.Millisecond),
redis.DialConnectTimeout(time.Duration(1000)*time.Millisecond),
redis.DialDatabase(config.ConfigMode.RedisConfig.Database),
)
}
return redis.Dial(
config.ConfigMode.RedisConfig.Network,
config.ConfigMode.RedisConfig.Address,
redis.DialReadTimeout(time.Duration(1000)*time.Millisecond),
redis.DialWriteTimeout(time.Duration(1000)*time.Millisecond),
redis.DialConnectTimeout(time.Duration(1000)*time.Millisecond),
redis.DialDatabase(config.ConfigMode.RedisConfig.Database),
redis.DialPassword(config.ConfigMode.RedisConfig.Password),
)
},
},
}
}
func (sess *SessionsManager) GetSessionByID(id string) (*Session, error) {
if _, ok := sess.Session[id]; ok {
if sess.Session[id].GatewaySession == nil || sess.Session[id].GatewaySession.IsClosed() {
sess.DelSession(id)
return nil, errors.New("Session 处于断线状态")
}
return sess.Session[id], nil //存在
} else {
return nil, errors.New("Session id未注册")
}
}
func (sess *SessionsManager) GetStreamByID(id string) (*yamux.Stream, error) {
mysession, err := sess.GetSessionByID(id)
if err != nil {
log.Println(err.Error())
return nil, err
}
stream, err := mysession.GetStream()
if err != nil {
log.Println(err)
return nil, err
}
return stream, err
}
func (sess *SessionsManager) GetNewWorkConnByID(id string) (net.Conn, error) {
session, err := sess.GetSessionByID(id)
if err != nil {
log.Println(err.Error())
return nil, err
}
return session.GetNewWorkConn()
}
func (sess *SessionsManager) SetSession(id string, session *Session) {
sess.DelSession(id)
sess.Session[id] = session
}
func (sess *SessionsManager) DelSession(id string) {
if _, ok := sess.Session[id]; ok {
if sess.Session[id].GatewaySession != nil && !sess.Session[id].GatewaySession.IsClosed() {
sess.Session[id].GatewaySession.Close()
}
if sess.Session[id].Conn != nil {
myconn := *sess.Session[id].Conn
myconn.Close()
}
}
delete(sess.Session, id)
}
//connHdl
func (sess *SessionsManager) connHdl(conn net.Conn) {
var session *yamux.Session
var token *models.TokenClaims
var err error
rawMsg, err := msg.ReadMsg(conn)
if err != nil {
log.Println(err)
return
}
switch m := rawMsg.(type) {
case *models.GatewayLogin:
{
//log.Println(m.Token)
token, err = models.DecodeToken(config.ConfigMode.Security.LoginKey, m.Token)
if err != nil {
log.Println(err.Error())
conn.Close()
return
}
if !token.IfContainPermission(models.PermissionGatewayLogin) {
log.Println("token type err ,not n")
conn.Close()
return
}
config := yamux.DefaultConfig()
//config.EnableKeepAlive = false
session, err = yamux.Client(conn, config)
if err != nil {
log.Println(err.Error())
conn.Close()
return
}
//TODO 添加上线、下线日志储存以供用户查询
log.Printf("新Gateway登录: runId:%s 系统(OS):%s 芯片架构(CPU Arch):%s Version:%s", token.RunId, m.Os, m.Arch, m.Version)
//sess[token.RunId]=session
session := &Session{
Id: token.RunId,
OS: m.Os,
ARCH: m.Arch,
Version: m.Version,
Conn: &conn,
GatewaySession: session,
WorkConn: make(chan net.Conn, 5)}
//:TODO 新的登录存储之前先清除旧的同id登录
sess.SetSession(token.RunId, session)
}
case *models.GatewayWorkConn:
{
//内网主动新创建的用来接收数据传输业务的连接
//TODO 添加上线、下线日志储存以供用户查询
log.Println("获取到一个Gateway主动发起的工作连接")
log.Println("GatewayWorkConn:", m.RunId, "@", m.Version)
//验证Secret
token, err = models.DecodeToken(config.ConfigMode.Security.LoginKey, m.Secret)
if err != nil {
log.Println(err.Error())
conn.Close()
return
}
if !token.IfContainPermission(models.PermissionGatewayLogin) {
log.Println("token type err ,not n")
conn.Close()
return
}
//验证Secret Over
session, err := sess.GetSessionByID(m.RunId)
if err != nil {
log.Println(err)
conn.Close()
return
}
session.WorkConn <- conn
}
case *models.OpenIoTHubLogin:
{
token, err = models.DecodeToken(config.ConfigMode.Security.LoginKey, m.Token)
if err != nil {
log.Println(err.Error())
conn.Close()
return
}
if !token.IfContainPermission(models.PermissionOpenIoTHubLogin) {
log.Println("token type err ,not 2")
conn.Close()
return
}
//TODO 添加上线、下线日志储存以供用户查询
log.Printf("新OpenIoTHub登录: runId:%s 系统(OS):%s 芯片架构(Arch):%s Version:%s", token.RunId, m.Os, m.Arch, m.Version)
//sess[token.RunId]=session
//sess := &Session{Id: token.RunId, Conn: &conn, GatewaySession: session}
//SetSession(token.RunId, sess)
go sess.openIoTHubLoginHdl(token.RunId, conn)
}
default:
{
log.Println("从端口获取两种登录类别之一错误")
conn.Close()
}
}
}
//访问器的登录处理 conn : 访问器 stream : 网关
func (sess *SessionsManager) openIoTHubLoginHdl(id string, conn net.Conn) {
resp := func(err error) {
code := 0
msgStr := ""
if err != nil {
code = 1
msgStr = err.Error()
defer conn.Close()
}
msg.WriteMsg(conn, &models.CheckStatusResponse{
Code: code,
Message: msgStr,
})
time.Sleep(time.Millisecond * 100)
}
workConn, err := sess.GetNewWorkConnByID(id)
if err != nil {
log.Println(err.Error())
resp(err)
return
}
resp(nil)
go io.Join(workConn, conn)
return
}