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frp/pkg/virtual/client.go

108 lines
2.4 KiB

// Copyright 2023 The frp Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package virtual
import (
"context"
"net"
"github.com/fatedier/frp/client"
v1 "github.com/fatedier/frp/pkg/config/v1"
"github.com/fatedier/frp/pkg/msg"
netpkg "github.com/fatedier/frp/pkg/util/net"
)
type ClientOptions struct {
Common *v1.ClientCommonConfig
Spec *msg.ClientSpec
HandleWorkConnCb func(*v1.ProxyBaseConfig, net.Conn, *msg.StartWorkConn) bool
}
type Client struct {
l *netpkg.InternalListener
svr *client.Service
}
func NewClient(options ClientOptions) (*Client, error) {
if options.Common != nil {
options.Common.Complete()
}
ln := netpkg.NewInternalListener()
serviceOptions := client.ServiceOptions{
Common: options.Common,
ClientSpec: options.Spec,
ConnectorCreator: func(context.Context, *v1.ClientCommonConfig) client.Connector {
return &pipeConnector{
peerListener: ln,
}
},
HandleWorkConnCb: options.HandleWorkConnCb,
}
svr, err := client.NewService(serviceOptions)
if err != nil {
return nil, err
}
return &Client{
l: ln,
svr: svr,
}, nil
}
func (c *Client) PeerListener() net.Listener {
return c.l
}
func (c *Client) UpdateProxyConfigurer(proxyCfgs []v1.ProxyConfigurer) {
_ = c.svr.UpdateAllConfigurer(proxyCfgs, nil)
}
func (c *Client) Run(ctx context.Context) error {
return c.svr.Run(ctx)
}
func (c *Client) Service() *client.Service {
return c.svr
}
func (c *Client) Close() {
c.svr.Close()
c.l.Close()
}
type pipeConnector struct {
peerListener *netpkg.InternalListener
}
func (pc *pipeConnector) Open() error {
return nil
}
func (pc *pipeConnector) Connect() (net.Conn, error) {
c1, c2 := net.Pipe()
if err := pc.peerListener.PutConn(c1); err != nil {
c1.Close()
c2.Close()
return nil, err
}
return c2, nil
}
func (pc *pipeConnector) Close() error {
pc.peerListener.Close()
return nil
}