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55 lines
1.8 KiB
55 lines
1.8 KiB
package core
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import (
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"context"
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"v2ray.com/core/common"
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/net"
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"v2ray.com/core/features/routing"
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)
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// CreateObject creates a new object based on the given V2Ray instance and config. The V2Ray instance may be nil.
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func CreateObject(v *Instance, config interface{}) (interface{}, error) {
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ctx := context.Background()
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if v != nil {
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ctx = context.WithValue(ctx, v2rayKey, v)
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}
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return common.CreateObject(ctx, config)
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}
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// StartInstance starts a new V2Ray instance with given serialized config.
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// By default V2Ray only support config in protobuf format, i.e., configFormat = "protobuf". Caller need to load other packages to add JSON support.
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func StartInstance(configFormat string, configBytes []byte) (*Instance, error) {
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var mb buf.MultiBuffer
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common.Must2(mb.Write(configBytes))
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config, err := LoadConfig(configFormat, "", &mb)
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if err != nil {
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return nil, err
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}
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instance, err := New(config)
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if err != nil {
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return nil, err
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}
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if err := instance.Start(); err != nil {
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return nil, err
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}
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return instance, nil
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}
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// Dial provides an easy way for upstream caller to create net.Conn through V2Ray.
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// It dispatches the request to the given destination by the given V2Ray instance.
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// Since it is under a proxy context, the LocalAddr() and RemoteAddr() in returned net.Conn
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// will not show real addresses being used for communication.
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func Dial(ctx context.Context, v *Instance, dest net.Destination) (net.Conn, error) {
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dispatcher := v.GetFeature(routing.DispatcherType())
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if dispatcher == nil {
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return nil, newError("routing.Dispatcher is not registered in V2Ray core")
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}
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r, err := dispatcher.(routing.Dispatcher).Dispatch(ctx, dest)
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if err != nil {
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return nil, err
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}
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return net.NewConnection(net.ConnectionInputMulti(r.Writer), net.ConnectionOutputMulti(r.Reader)), nil
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}
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