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server.go
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server.go
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/*
* Copyright (c) 2023 The GoPlus Authors (goplus.org). All rights reserved.
*
* 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 stdio
import (
"context"
"io"
"os"
"sync/atomic"
"github.com/goplus/gop/x/fakenet"
"github.com/goplus/gop/x/jsonrpc2"
"github.com/goplus/gop/x/jsonrpc2/jsonrpc2test"
)
// -----------------------------------------------------------------------------
type listener struct {
}
func (p *listener) Close() error {
return nil
}
// Accept blocks waiting for an incoming connection to the listener.
func (p *listener) Accept(context.Context) (io.ReadWriteCloser, error) {
connCnt := &connCnt[server]
if atomic.AddInt32(connCnt, 1) != 1 {
atomic.AddInt32(connCnt, -1)
return nil, ErrTooManyConnections
}
return fakenet.NewConn("stdio", os.Stdin, os.Stdout), nil
}
func (p *listener) Dialer() jsonrpc2.Dialer {
return nil
}
// Listener returns a jsonrpc2.Listener based on stdin and stdout.
func Listener(allowLocalDail bool) jsonrpc2.Listener {
if allowLocalDail {
return jsonrpc2test.NetPipeListener()
}
return &listener{}
}
// -----------------------------------------------------------------------------