| // Copyright 2020 Google LLC |
| // |
| // 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 |
| // |
| // https://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 bind |
| |
| import ( |
| "errors" |
| "net/rpc" |
| ) |
| |
| //RemoteBinderClient sends client requests to RPC |
| type RemoteBinderClient struct { |
| rpcClient *rpc.Client |
| SocketPath string |
| } |
| |
| func NewRemoteBindClient(socketPath string) PathBinder { |
| var r RemoteBinderClient |
| r.SocketPath = socketPath |
| return &r |
| } |
| |
| func (r *RemoteBinderClient) initRpcClient() error { |
| if r.rpcClient != nil { |
| return nil |
| } |
| var err error |
| r.rpcClient, err = rpc.DialHTTP("unix", r.SocketPath) |
| return err |
| } |
| |
| func (r *RemoteBinderClient) BindReadOnly(source string, destination string) error { |
| args := BindReadOnlyArgs{source, destination} |
| var reply BindReadOnlyReply |
| if err := r.initRpcClient(); err != nil { |
| return err |
| } |
| if err := r.rpcClient.Call("Server.BindReadOnly", &args, &reply); err != nil { |
| return err |
| } |
| if reply.Err != "" { |
| return errors.New(reply.Err) |
| } |
| return nil |
| } |
| |
| func (r *RemoteBinderClient) BindReadWrite(source string, destination string) error { |
| args := BindReadWriteArgs{source, destination} |
| var reply BindReadWriteReply |
| if err := r.initRpcClient(); err != nil { |
| return err |
| } |
| if err := r.rpcClient.Call("Server.BindReadWrite", &args, &reply); err != nil { |
| return err |
| } |
| if reply.Err != "" { |
| return errors.New(reply.Err) |
| } |
| return nil |
| } |
| |
| func (r *RemoteBinderClient) Unbind(destination string) error { |
| args := UnbindArgs{destination} |
| var reply UnbindReply |
| if err := r.initRpcClient(); err != nil { |
| return err |
| } |
| if err := r.rpcClient.Call("Server.Unbind", &args, &reply); err != nil { |
| return err |
| } |
| if reply.Err != "" { |
| return errors.New(reply.Err) |
| } |
| return nil |
| } |
| |
| func (r *RemoteBinderClient) List() ([]string, error) { |
| var args ListArgs |
| var reply ListReply |
| if err := r.initRpcClient(); err != nil { |
| return nil, err |
| } |
| if err := r.rpcClient.Call("Server.List", &args, &reply); err != nil { |
| return nil, err |
| } |
| |
| if reply.Err != "" { |
| return nil, errors.New(reply.Err) |
| } |
| |
| return reply.BindList, nil |
| } |