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68 lines
2.0 KiB
68 lines
2.0 KiB
// Copyright 2018 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 simulation
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import (
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"fmt"
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"net/http"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/p2p/simulations"
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)
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// Package defaults.
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var (
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DefaultHTTPSimAddr = ":8888"
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)
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//WithServer implements the builder pattern constructor for Simulation to
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//start with a HTTP server
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func (s *Simulation) WithServer(addr string) *Simulation {
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//assign default addr if nothing provided
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if addr == "" {
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addr = DefaultHTTPSimAddr
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}
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log.Info(fmt.Sprintf("Initializing simulation server on %s...", addr))
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//initialize the HTTP server
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s.handler = simulations.NewServer(s.Net)
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s.runC = make(chan struct{})
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//add swarm specific routes to the HTTP server
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s.addSimulationRoutes()
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s.httpSrv = &http.Server{
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Addr: addr,
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Handler: s.handler,
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}
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go func() {
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err := s.httpSrv.ListenAndServe()
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if err != nil {
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log.Error("Error starting the HTTP server", "error", err)
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}
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}()
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return s
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}
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//register additional HTTP routes
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func (s *Simulation) addSimulationRoutes() {
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s.handler.POST("/runsim", s.RunSimulation)
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}
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// RunSimulation is the actual POST endpoint runner
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func (s *Simulation) RunSimulation(w http.ResponseWriter, req *http.Request) {
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log.Debug("RunSimulation endpoint running")
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s.runC <- struct{}{}
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w.WriteHeader(http.StatusOK)
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}
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