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maotama-server
Commits
d2dafe18
Commit
d2dafe18
authored
Sep 29, 2020
by
nanahira
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parent
87f3e105
Pipeline
#834
passed with stage
in 4 minutes and 6 seconds
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main.go
main.go
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main.go
View file @
d2dafe18
...
...
@@ -100,49 +100,49 @@ func UnpackData2(buf []byte) (addr *net.UDPAddr, data []byte) {
}
func
transfer
GuestTrafficToHost
(
client
*
net
.
UDPConn
,
server
*
net
.
UDPConn
,
clientAddr
*
net
.
UDPAddr
,
server
Addr
*
net
.
UDPAddr
)
{
func
transfer
HostTrafficToGuest
(
host
*
net
.
UDPConn
,
guest
*
net
.
UDPConn
,
hostAddr
*
net
.
UDPAddr
,
guest
Addr
*
net
.
UDPAddr
)
{
buffer
:=
make
([]
byte
,
2048
)
for
{
// guest send to host
length
,
_
,
_
:=
clien
t
.
ReadFromUDP
(
buffer
)
server
.
WriteToUDP
(
buffer
[
:
length
],
server
Addr
)
for
{
length
,
_
,
_
:=
hos
t
.
ReadFromUDP
(
buffer
)
guest
.
WriteToUDP
(
buffer
[
:
length
],
guest
Addr
)
}
}
func
transfer
HostTrafficToGuest
(
client
*
net
.
UDPConn
,
server
*
net
.
UDPConn
,
clientAddr
*
net
.
UDPAddr
,
server
Addr
*
net
.
UDPAddr
,
channel
chan
[]
byte
)
{
for
{
// host send to guest
func
transfer
GuestTrafficToHost
(
host
*
net
.
UDPConn
,
guest
*
net
.
UDPConn
,
hostAddr
*
net
.
UDPAddr
,
guest
Addr
*
net
.
UDPAddr
,
channel
chan
[]
byte
)
{
for
{
message
:=
<-
channel
client
.
WriteToUDP
(
message
,
clien
tAddr
)
host
.
WriteToUDP
(
message
,
hos
tAddr
)
}
}
func
listenUDP
(
ws
*
websocket
.
Conn
)
{
server
,
err
:=
net
.
ListenUDP
(
"udp"
,
nil
)
guest
,
err
:=
net
.
ListenUDP
(
"udp"
,
nil
)
if
err
!=
nil
{
log
.
Println
(
err
)
return
}
server
ChannelList
:=
make
(
map
[
string
]
chan
[]
byte
)
guest
ChannelList
:=
make
(
map
[
string
]
chan
[]
byte
)
reply
:=
fmt
.
Sprintf
(
"LISTEN %s:%d"
,
IP
,
server
.
LocalAddr
()
.
(
*
net
.
UDPAddr
)
.
Port
)
reply
:=
fmt
.
Sprintf
(
"LISTEN %s:%d"
,
IP
,
guest
.
LocalAddr
()
.
(
*
net
.
UDPAddr
)
.
Port
)
ws
.
Write
([]
byte
(
reply
))
for
{
message
:=
make
([]
byte
,
2048
)
length
,
serverAddr
,
_
:=
server
.
ReadFromUDP
(
message
)
channel
,
ok
:=
serverChannelList
[
server
Addr
.
String
()]
length
,
guestAddr
,
_
:=
guest
.
ReadFromUDP
(
message
)
channel
,
ok
:=
guestChannelList
[
guest
Addr
.
String
()]
if
!
ok
{
clien
t
,
err
:=
net
.
ListenUDP
(
"udp"
,
nil
)
hos
t
,
err
:=
net
.
ListenUDP
(
"udp"
,
nil
)
if
err
!=
nil
{
log
.
Println
(
err
)
return
}
reply
=
fmt
.
Sprintf
(
"CONNECT %s:%d"
,
IP
,
clien
t
.
LocalAddr
()
.
(
*
net
.
UDPAddr
)
.
Port
)
reply
=
fmt
.
Sprintf
(
"CONNECT %s:%d"
,
IP
,
hos
t
.
LocalAddr
()
.
(
*
net
.
UDPAddr
)
.
Port
)
ws
.
Write
([]
byte
(
reply
))
_
,
clientAddr
,
_
:=
clien
t
.
ReadFromUDP
(
make
([]
byte
,
2048
))
reply
=
fmt
.
Sprintf
(
"CONNECTED %s:%d"
,
IP
,
clien
t
.
LocalAddr
()
.
(
*
net
.
UDPAddr
)
.
Port
)
_
,
hostAddr
,
_
:=
hos
t
.
ReadFromUDP
(
make
([]
byte
,
2048
))
reply
=
fmt
.
Sprintf
(
"CONNECTED %s:%d"
,
IP
,
hos
t
.
LocalAddr
()
.
(
*
net
.
UDPAddr
)
.
Port
)
ws
.
Write
([]
byte
(
reply
))
client
.
WriteToUDP
(
message
[
:
length
],
clien
tAddr
)
go
transfer
GuestTrafficToHost
(
client
,
server
,
clientAddr
,
serverAddr
)
// guest send to host
host
.
WriteToUDP
(
message
[
:
length
],
hos
tAddr
)
go
transfer
HostTrafficToGuest
(
host
,
guest
,
hostAddr
,
guestAddr
)
channel
:=
make
(
chan
[]
byte
)
serverChannelList
[
server
Addr
.
String
()]
=
channel
go
transfer
HostTrafficToGuest
(
client
,
server
,
clientAddr
,
serverAddr
,
channel
)
// host send to guest
guestChannelList
[
guest
Addr
.
String
()]
=
channel
go
transfer
GuestTrafficToHost
(
host
,
guest
,
hostAddr
,
guestAddr
,
channel
)
}
else
{
channel
<-
message
[
:
length
]
}
...
...
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