-
Notifications
You must be signed in to change notification settings - Fork 5
/
reader.go
128 lines (116 loc) · 2.88 KB
/
reader.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
package bercon
import (
"net"
"strings"
"time"
"github.com/golang/glog"
)
func (c *Client) readerLoop(disc chan int) {
defer func(disc chan int) { disc <- 2 }(disc)
for {
glog.V(10).Infoln("Looping in readerLoop")
if !c.looping {
glog.V(4).Infoln("ReaderLoop ended by watcher. Exiting.")
return
}
if c.con == nil {
glog.Errorln(ErrConnectionNil)
return
}
c.con.SetReadDeadline(time.Now().Add(time.Second * 2)) //Evaluate if Deadline is required
n, err := c.con.Read(c.readBuffer)
if err == nil {
data := c.readBuffer[:n]
glog.V(5).Infof("Received Data: %v", data)
if herr := c.handlePacket(data); herr != nil {
glog.Errorln(err)
}
//TODO: Evaluate if parallel aproach is better
//go c.handlePacket(data)
}
if err != nil {
if err, _ := err.(net.Error); err.Timeout() {
glog.V(5).Infoln(err)
continue
} else {
glog.Error(err)
return
}
}
}
}
func (c *Client) handlePacket(packet []byte) error {
seq, data, pType, err := verifyPacket(packet)
if err != nil {
glog.Errorln(err)
return err
}
// Handle Packet Types
if pType == packetType.ServerMessage {
glog.V(3).Infof("ServerMessage Packet: %v - Sequence: %v", string(data), seq)
c.handleServerMessage(append(data[3:], []byte("\n")...))
if c.con != nil {
c.con.SetWriteDeadline(time.Now().Add(time.Millisecond * 100))
_, err := c.con.Write(buildMsgAckPacket(seq))
if err != nil {
glog.Error(err)
return err
}
}
return nil
}
if pType != packetType.Command && pType != packetType.MultiCommand {
glog.V(2).Infof("Packet: %v - PacketType: %v", string(packet), pType)
return ErrUnknownPacketType
}
packetCount, currentPacket, isMultiPacket := checkMultiPacketResponse(data)
glog.V(3).Infof("Packet: %v - Sequence: %v - IsMulti: %v", string(data), seq, isMultiPacket)
if !isMultiPacket {
c.handleResponse(seq, data[3:], true)
return nil
}
if currentPacket+1 < packetCount {
c.handleResponse(seq, data[6:], false)
} else {
c.handleResponse(seq, data[6:], true)
}
return nil
}
func (c *Client) handleServerMessage(data []byte) {
var ChatPatterns = []string{
/*"RCon admin", <- Kicked out to handle as event? */
"(Group)",
"(Vehicle)",
"(Unknown)",
}
for _, v := range ChatPatterns {
glog.V(10).Infoln("Looping in handleServerMessage")
if strings.HasPrefix(string(data), v) {
if c.chatWriter.Writer != nil {
c.chatWriter.Lock()
_, err := c.chatWriter.Write(data)
if err != nil {
glog.Error(err)
}
c.chatWriter.Unlock()
}
return
}
}
if c.eventWriter.Writer != nil {
c.eventWriter.Lock()
if strings.Contains(string(data), "logged in") {
glog.V(2).Infoln("Login Event: ", string(data))
_, err := c.eventWriter.Write(data)
if err != nil {
glog.Error(err)
}
} else {
_, err := c.eventWriter.Write(data)
if err != nil {
glog.Error(err)
}
}
c.eventWriter.Unlock()
}
}