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104 lines
2.5 KiB
104 lines
2.5 KiB
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package bind
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import (
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"errors"
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"net/rpc"
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)
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//RemoteBinderClient sends client requests to RPC
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type RemoteBinderClient struct {
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rpcClient *rpc.Client
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SocketPath string
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}
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func NewRemoteBindClient(socketPath string) PathBinder {
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var r RemoteBinderClient
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r.SocketPath = socketPath
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return &r
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}
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func (r *RemoteBinderClient) initRpcClient() error {
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if r.rpcClient != nil {
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return nil
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}
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var err error
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r.rpcClient, err = rpc.DialHTTP("unix", r.SocketPath)
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return err
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}
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func (r *RemoteBinderClient) BindReadOnly(source string, destination string) error {
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args := BindReadOnlyArgs{source, destination}
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var reply BindReadOnlyReply
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if err := r.initRpcClient(); err != nil {
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return err
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}
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if err := r.rpcClient.Call("Server.BindReadOnly", &args, &reply); err != nil {
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return err
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}
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if reply.Err != "" {
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return errors.New(reply.Err)
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}
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return nil
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}
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func (r *RemoteBinderClient) BindReadWrite(source string, destination string) error {
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args := BindReadWriteArgs{source, destination}
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var reply BindReadWriteReply
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if err := r.initRpcClient(); err != nil {
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return err
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}
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if err := r.rpcClient.Call("Server.BindReadWrite", &args, &reply); err != nil {
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return err
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}
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if reply.Err != "" {
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return errors.New(reply.Err)
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}
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return nil
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}
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func (r *RemoteBinderClient) Unbind(destination string) error {
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args := UnbindArgs{destination}
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var reply UnbindReply
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if err := r.initRpcClient(); err != nil {
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return err
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}
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if err := r.rpcClient.Call("Server.Unbind", &args, &reply); err != nil {
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return err
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}
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if reply.Err != "" {
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return errors.New(reply.Err)
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}
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return nil
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}
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func (r *RemoteBinderClient) List() ([]string, error) {
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var args ListArgs
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var reply ListReply
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if err := r.initRpcClient(); err != nil {
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return nil, err
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}
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if err := r.rpcClient.Call("Server.List", &args, &reply); err != nil {
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return nil, err
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}
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if reply.Err != "" {
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return nil, errors.New(reply.Err)
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}
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return reply.BindList, nil
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}
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