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