Move HTTP transport to sub package of RPC
This commit is contained in:
104
rpc/server.go
104
rpc/server.go
@ -1,104 +0,0 @@
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/*
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This file is part of go-ethereum
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go-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU 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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go-ethereum 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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package rpc
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import (
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"fmt"
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"net"
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"net/http"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/xeth"
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)
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var jsonlogger = logger.NewLogger("JSON")
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type JsonRpcServer struct {
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quit chan bool
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listener net.Listener
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pipe *xeth.JSXEth
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}
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func (s *JsonRpcServer) exitHandler() {
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out:
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for {
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select {
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case <-s.quit:
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s.listener.Close()
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break out
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}
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}
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jsonlogger.Infoln("Shutdown JSON-RPC server")
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}
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func (s *JsonRpcServer) Stop() {
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close(s.quit)
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}
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func (s *JsonRpcServer) Start() {
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jsonlogger.Infoln("Starting JSON-RPC server")
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go s.exitHandler()
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h := apiHandler(&EthereumApi{pipe: s.pipe})
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http.Handle("/", h)
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err := http.Serve(s.listener, nil)
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// FIX Complains on shutdown due to listner already being closed
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if err != nil {
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jsonlogger.Errorln("Error on JSON-RPC interface:", err)
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}
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}
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func NewJsonRpcServer(pipe *xeth.JSXEth, port int) (*JsonRpcServer, error) {
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sport := fmt.Sprintf(":%d", port)
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l, err := net.Listen("tcp", sport)
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if err != nil {
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return nil, err
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}
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return &JsonRpcServer{
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listener: l,
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quit: make(chan bool),
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pipe: pipe,
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}, nil
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}
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func apiHandler(xeth *EthereumApi) http.Handler {
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fn := func(w http.ResponseWriter, req *http.Request) {
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jsonlogger.Debugln("Handling request")
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reqParsed, reqerr := JSON.ParseRequestBody(req)
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if reqerr != nil {
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JSON.Send(w, &RpcErrorResponse{JsonRpc: reqParsed.JsonRpc, ID: reqParsed.ID, Error: true, ErrorText: ErrorParseRequest})
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return
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}
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var response interface{}
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reserr := xeth.GetRequestReply(&reqParsed, &response)
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if reserr != nil {
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jsonlogger.Errorln(reserr)
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JSON.Send(w, &RpcErrorResponse{JsonRpc: reqParsed.JsonRpc, ID: reqParsed.ID, Error: true, ErrorText: reserr.Error()})
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return
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}
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jsonlogger.Debugf("Generated response: %T %s", response, response)
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JSON.Send(w, &RpcSuccessResponse{JsonRpc: reqParsed.JsonRpc, ID: reqParsed.ID, Error: false, Result: response})
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}
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return http.HandlerFunc(fn)
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}
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