-
Notifications
You must be signed in to change notification settings - Fork 4.6k
/
functions.go
52 lines (47 loc) · 1.76 KB
/
functions.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
package core
import (
"bytes"
"context"
"v2ray.com/core/common"
"v2ray.com/core/common/net"
"v2ray.com/core/features/routing"
)
// CreateObject creates a new object based on the given V2Ray instance and config. The V2Ray instance may be nil.
func CreateObject(v *Instance, config interface{}) (interface{}, error) {
ctx := context.Background()
if v != nil {
ctx = context.WithValue(ctx, v2rayKey, v)
}
return common.CreateObject(ctx, config)
}
// StartInstance starts a new V2Ray instance with given serialized config.
// By default V2Ray only support config in protobuf format, i.e., configFormat = "protobuf". Caller need to load other packages to add JSON support.
func StartInstance(configFormat string, configBytes []byte) (*Instance, error) {
config, err := LoadConfig(configFormat, "", bytes.NewReader(configBytes))
if err != nil {
return nil, err
}
instance, err := New(config)
if err != nil {
return nil, err
}
if err := instance.Start(); err != nil {
return nil, err
}
return instance, nil
}
// Dial provides an easy way for upstream caller to create net.Conn through V2Ray.
// It dispatches the request to the given destination by the given V2Ray instance.
// Since it is under a proxy context, the LocalAddr() and RemoteAddr() in returned net.Conn
// will not show real addresses being used for communication.
func Dial(ctx context.Context, v *Instance, dest net.Destination) (net.Conn, error) {
dispatcher := v.GetFeature(routing.DispatcherType())
if dispatcher == nil {
return nil, newError("routing.Dispatcher is not registered in V2Ray core")
}
r, err := dispatcher.(routing.Dispatcher).Dispatch(ctx, dest)
if err != nil {
return nil, err
}
return net.NewConnection(net.ConnectionInputMulti(r.Writer), net.ConnectionOutputMulti(r.Reader)), nil
}