From 19b2640e89465c1c57f1bbea0274d52d97151f60 Mon Sep 17 00:00:00 2001
From: Bas van Kervel <bas@ethdev.com>
Date: Wed, 16 Dec 2015 10:58:01 +0100
Subject: rpc: migrated the RPC insterface to a new reflection based RPC layer

---
 rpc/comms/ipc.go | 158 -------------------------------------------------------
 1 file changed, 158 deletions(-)
 delete mode 100644 rpc/comms/ipc.go

(limited to 'rpc/comms/ipc.go')

diff --git a/rpc/comms/ipc.go b/rpc/comms/ipc.go
deleted file mode 100644
index 3ba747b1d..000000000
--- a/rpc/comms/ipc.go
+++ /dev/null
@@ -1,158 +0,0 @@
-// 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"
-	"math/rand"
-	"net"
-	"os"
-
-	"encoding/json"
-
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/rpc/codec"
-	"github.com/ethereum/go-ethereum/rpc/shared"
-)
-
-type Stopper interface {
-	Stop()
-}
-
-type InitFunc func(conn net.Conn) (Stopper, shared.EthereumApi, error)
-
-type IpcConfig struct {
-	Endpoint string
-}
-
-type ipcClient struct {
-	endpoint string
-	c        net.Conn
-	codec    codec.Codec
-	coder    codec.ApiCoder
-}
-
-func (self *ipcClient) Close() {
-	self.coder.Close()
-}
-
-func (self *ipcClient) Send(msg interface{}) error {
-	var err error
-	if err = self.coder.WriteResponse(msg); err != nil {
-		if err = self.reconnect(); err == nil {
-			err = self.coder.WriteResponse(msg)
-		}
-	}
-	return err
-}
-
-func (self *ipcClient) Recv() (interface{}, error) {
-	return self.coder.ReadResponse()
-}
-
-func (self *ipcClient) SupportedModules() (map[string]string, error) {
-	req := shared.Request{
-		Id:      1,
-		Jsonrpc: "2.0",
-		Method:  "rpc_modules",
-	}
-
-	if err := self.coder.WriteResponse(req); err != nil {
-		return nil, err
-	}
-
-	res, _ := self.coder.ReadResponse()
-	if sucRes, ok := res.(*shared.SuccessResponse); ok {
-		data, _ := json.Marshal(sucRes.Result)
-		modules := make(map[string]string)
-		if err := json.Unmarshal(data, &modules); err == nil {
-			return modules, nil
-		}
-	}
-
-	// old version uses modules instead of rpc_modules, this can be removed after full migration
-	req.Method = "modules"
-	if err := self.coder.WriteResponse(req); err != nil {
-		return nil, err
-	}
-
-	res, err := self.coder.ReadResponse()
-	if err != nil {
-		return nil, err
-	}
-
-	if sucRes, ok := res.(*shared.SuccessResponse); ok {
-		data, _ := json.Marshal(sucRes.Result)
-		modules := make(map[string]string)
-		err = json.Unmarshal(data, &modules)
-		if err == nil {
-			return modules, nil
-		}
-	}
-
-	return nil, fmt.Errorf("Invalid response")
-}
-
-// Create a new IPC client, UNIX domain socket on posix, named pipe on Windows
-func NewIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
-	return newIpcClient(cfg, codec)
-}
-
-// Start IPC server
-func StartIpc(cfg IpcConfig, codec codec.Codec, initializer InitFunc) error {
-	l, err := ipcListen(cfg)
-	if err != nil {
-		return err
-	}
-	go ipcLoop(cfg, codec, initializer, l)
-	return nil
-}
-
-// CreateListener creates an listener, on Unix platforms this is a unix socket, on Windows this is a named pipe
-func CreateListener(cfg IpcConfig) (net.Listener, error) {
-	return ipcListen(cfg)
-}
-
-func ipcLoop(cfg IpcConfig, codec codec.Codec, initializer InitFunc, l net.Listener) {
-	glog.V(logger.Info).Infof("IPC service started (%s)\n", cfg.Endpoint)
-	defer os.Remove(cfg.Endpoint)
-	defer l.Close()
-	for {
-		conn, err := l.Accept()
-		if err != nil {
-			glog.V(logger.Debug).Infof("accept: %v", err)
-			return
-		}
-		id := newIpcConnId()
-		go func() {
-			defer conn.Close()
-			glog.V(logger.Debug).Infof("new connection with id %06d started", id)
-			stopper, api, err := initializer(conn)
-			if err != nil {
-				glog.V(logger.Error).Infof("Unable to initialize IPC connection: %v", err)
-				return
-			}
-			defer stopper.Stop()
-			handle(id, conn, api, codec)
-		}()
-	}
-}
-
-func newIpcConnId() int {
-	return rand.Int() % 1000000
-}
-- 
cgit