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-rw-r--r--rpc/http/server.go114
1 files changed, 114 insertions, 0 deletions
diff --git a/rpc/http/server.go b/rpc/http/server.go
new file mode 100644
index 000000000..fa66eed48
--- /dev/null
+++ b/rpc/http/server.go
@@ -0,0 +1,114 @@
+/*
+ This file is part of go-ethereum
+
+ go-ethereum is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ go-ethereum 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+*/
+package rpchttp
+
+import (
+ "fmt"
+ "net"
+ "net/http"
+
+ "github.com/ethereum/go-ethereum/logger"
+ "github.com/ethereum/go-ethereum/rpc"
+ "github.com/ethereum/go-ethereum/xeth"
+)
+
+var rpchttplogger = logger.NewLogger("RPC-HTTP")
+var JSON rpc.JsonWrapper
+
+func NewRpcHttpServer(pipe *xeth.XEth, port int) (*RpcHttpServer, error) {
+ sport := fmt.Sprintf("127.0.0.1:%d", port)
+ l, err := net.Listen("tcp", sport)
+ if err != nil {
+ return nil, err
+ }
+
+ return &RpcHttpServer{
+ listener: l,
+ quit: make(chan bool),
+ pipe: pipe,
+ port: port,
+ }, nil
+}
+
+type RpcHttpServer struct {
+ quit chan bool
+ listener net.Listener
+ pipe *xeth.XEth
+ port int
+}
+
+func (s *RpcHttpServer) exitHandler() {
+out:
+ for {
+ select {
+ case <-s.quit:
+ s.listener.Close()
+ break out
+ }
+ }
+
+ rpchttplogger.Infoln("Shutdown RPC-HTTP server")
+}
+
+func (s *RpcHttpServer) Stop() {
+ close(s.quit)
+}
+
+func (s *RpcHttpServer) Start() {
+ rpchttplogger.Infof("Starting RPC-HTTP server on port %d", s.port)
+ go s.exitHandler()
+
+ api := rpc.NewEthereumApi(s.pipe)
+ h := s.apiHandler(api)
+ http.Handle("/", h)
+
+ err := http.Serve(s.listener, nil)
+ // FIX Complains on shutdown due to listner already being closed
+ if err != nil {
+ rpchttplogger.Errorln("Error on RPC-HTTP interface:", err)
+ }
+}
+
+func (s *RpcHttpServer) apiHandler(api *rpc.EthereumApi) http.Handler {
+ var jsonrpcver string = "2.0"
+ fn := func(w http.ResponseWriter, req *http.Request) {
+ w.Header().Set("Access-Control-Allow-Origin", "*")
+
+ rpchttplogger.DebugDetailln("Handling request")
+
+ reqParsed, reqerr := JSON.ParseRequestBody(req)
+ if reqerr != nil {
+ jsonerr := &rpc.RpcErrorObject{-32700, "Error: Could not parse request"}
+ JSON.Send(w, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+ return
+ }
+
+ var response interface{}
+ reserr := api.GetRequestReply(&reqParsed, &response)
+ if reserr != nil {
+ rpchttplogger.Warnln(reserr)
+ jsonerr := &rpc.RpcErrorObject{-32603, reserr.Error()}
+ JSON.Send(w, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+ return
+ }
+
+ rpchttplogger.DebugDetailf("Generated response: %T %s", response, response)
+ JSON.Send(w, &rpc.RpcSuccessResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Result: response})
+ }
+
+ return http.HandlerFunc(fn)
+}