mirror of https://github.com/status-im/op-geth.git
126 lines
4.3 KiB
Go
126 lines
4.3 KiB
Go
// Copyright 2018 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 rpc
|
|
|
|
import (
|
|
"net"
|
|
|
|
"github.com/ethereum/go-ethereum/log"
|
|
)
|
|
|
|
// checkModuleAvailability check that all names given in modules are actually
|
|
// available API services.
|
|
func checkModuleAvailability(modules []string, apis []API) (bad, available []string) {
|
|
availableSet := make(map[string]struct{})
|
|
for _, api := range apis {
|
|
if _, ok := availableSet[api.Namespace]; !ok {
|
|
availableSet[api.Namespace] = struct{}{}
|
|
available = append(available, api.Namespace)
|
|
}
|
|
}
|
|
for _, name := range modules {
|
|
if _, ok := availableSet[name]; !ok {
|
|
bad = append(bad, name)
|
|
}
|
|
}
|
|
return bad, available
|
|
}
|
|
|
|
// StartHTTPEndpoint starts the HTTP RPC endpoint, configured with cors/vhosts/modules.
|
|
func StartHTTPEndpoint(endpoint string, apis []API, modules []string, cors []string, vhosts []string, timeouts HTTPTimeouts) (net.Listener, *Server, error) {
|
|
if bad, available := checkModuleAvailability(modules, apis); len(bad) > 0 {
|
|
log.Error("Unavailable modules in HTTP API list", "unavailable", bad, "available", available)
|
|
}
|
|
// Generate the whitelist based on the allowed modules
|
|
whitelist := make(map[string]bool)
|
|
for _, module := range modules {
|
|
whitelist[module] = true
|
|
}
|
|
// Register all the APIs exposed by the services
|
|
handler := NewServer()
|
|
for _, api := range apis {
|
|
if whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
|
|
if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
log.Debug("HTTP registered", "namespace", api.Namespace)
|
|
}
|
|
}
|
|
// All APIs registered, start the HTTP listener
|
|
var (
|
|
listener net.Listener
|
|
err error
|
|
)
|
|
if listener, err = net.Listen("tcp", endpoint); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
go NewHTTPServer(cors, vhosts, timeouts, handler).Serve(listener)
|
|
return listener, handler, err
|
|
}
|
|
|
|
// StartWSEndpoint starts a websocket endpoint.
|
|
func StartWSEndpoint(endpoint string, apis []API, modules []string, wsOrigins []string, exposeAll bool) (net.Listener, *Server, error) {
|
|
if bad, available := checkModuleAvailability(modules, apis); len(bad) > 0 {
|
|
log.Error("Unavailable modules in WS API list", "unavailable", bad, "available", available)
|
|
}
|
|
// Generate the whitelist based on the allowed modules
|
|
whitelist := make(map[string]bool)
|
|
for _, module := range modules {
|
|
whitelist[module] = true
|
|
}
|
|
// Register all the APIs exposed by the services
|
|
handler := NewServer()
|
|
for _, api := range apis {
|
|
if exposeAll || whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
|
|
if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
log.Debug("WebSocket registered", "service", api.Service, "namespace", api.Namespace)
|
|
}
|
|
}
|
|
// All APIs registered, start the HTTP listener
|
|
var (
|
|
listener net.Listener
|
|
err error
|
|
)
|
|
if listener, err = net.Listen("tcp", endpoint); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
go NewWSServer(wsOrigins, handler).Serve(listener)
|
|
return listener, handler, err
|
|
|
|
}
|
|
|
|
// StartIPCEndpoint starts an IPC endpoint.
|
|
func StartIPCEndpoint(ipcEndpoint string, apis []API) (net.Listener, *Server, error) {
|
|
// Register all the APIs exposed by the services.
|
|
handler := NewServer()
|
|
for _, api := range apis {
|
|
if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
log.Debug("IPC registered", "namespace", api.Namespace)
|
|
}
|
|
// All APIs registered, start the IPC listener.
|
|
listener, err := ipcListen(ipcEndpoint)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
go handler.ServeListener(listener)
|
|
return listener, handler, nil
|
|
}
|