83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package comms
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ethereum/go-ethereum/rpc/codec"
|
|
"github.com/ethereum/go-ethereum/rpc/shared"
|
|
)
|
|
|
|
type InProcClient struct {
|
|
api shared.EthereumApi
|
|
codec codec.Codec
|
|
lastId interface{}
|
|
lastJsonrpc string
|
|
lastErr error
|
|
lastRes interface{}
|
|
}
|
|
|
|
// Create a new in process client
|
|
func NewInProcClient(codec codec.Codec) *InProcClient {
|
|
return &InProcClient{
|
|
codec: codec,
|
|
}
|
|
}
|
|
|
|
func (self *InProcClient) Close() {
|
|
// do nothing
|
|
}
|
|
|
|
// Need to setup api support
|
|
func (self *InProcClient) Initialize(offeredApi shared.EthereumApi) {
|
|
self.api = offeredApi
|
|
}
|
|
|
|
func (self *InProcClient) Send(req interface{}) error {
|
|
if r, ok := req.(*shared.Request); ok {
|
|
self.lastId = r.Id
|
|
self.lastJsonrpc = r.Jsonrpc
|
|
self.lastRes, self.lastErr = self.api.Execute(r)
|
|
return self.lastErr
|
|
}
|
|
|
|
return fmt.Errorf("Invalid request (%T)", req)
|
|
}
|
|
|
|
func (self *InProcClient) Recv() (interface{}, error) {
|
|
return self.lastRes, self.lastErr
|
|
}
|
|
|
|
func (self *InProcClient) SupportedModules() (map[string]string, error) {
|
|
req := shared.Request{
|
|
Id: 1,
|
|
Jsonrpc: "2.0",
|
|
Method: "modules",
|
|
}
|
|
|
|
if res, err := self.api.Execute(&req); err == nil {
|
|
if result, ok := res.(map[string]string); ok {
|
|
return result, nil
|
|
}
|
|
} else {
|
|
return nil, err
|
|
}
|
|
|
|
return nil, fmt.Errorf("Invalid response")
|
|
}
|