mirror of
https://github.com/ethereum/go-ethereum.git
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15b8c39f96
subpackages: * adapters: * msgpipes for simulated test connections * rlpx the RLPx adapter for normal non-test use * simnet simulated in-process network adapter * protocols: easy-to-setup protocols * simulations: * simulated network using simnet adapter * (local cluster of nodes running their own p2p server) * (remote cluster of nodes managed via docker) * testing: test resource drivers * exchange: trigger/expect style driver for single node and its peers * sessions: for unit testing protocols and protocol modules * (network: for network testing, benchmarking, stats, correctness, fault tolerance) see more in the README-s in each subpackage
68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package simulations
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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)
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type Controller interface {
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Resource(id string) (Controller, error)
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Handle(method string) (returnHandler, error)
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SetResource(id string, c Controller)
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}
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// starts up http server
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func StartRestApiServer(port string, c Controller) {
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serveMux := http.NewServeMux()
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serveMux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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handle(w, r, c)
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})
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go http.ListenAndServe(":"+port, serveMux)
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glog.V(logger.Info).Infof("Swarm Network Controller HTTP server started on localhost:%s", port)
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}
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func handle(w http.ResponseWriter, r *http.Request, c Controller) {
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requestURL := r.URL
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glog.V(logger.Debug).Infof("HTTP %s request URL: '%s', Host: '%s', Path: '%s', Referer: '%s', Accept: '%s'", r.Method, r.RequestURI, requestURL.Host, requestURL.Path, r.Referer(), r.Header.Get("Accept"))
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uri := requestURL.Path
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w.Header().Set("Content-Type", "text/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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defer r.Body.Close()
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parts := strings.Split(uri, "/")
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var err error
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for _, id := range parts {
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if len(id) == 0 {
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continue
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}
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glog.V(6).Infof("server: resolving to controller for resource id '%v'", id)
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c, err = c.Resource(id)
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if err != nil {
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http.Error(w, fmt.Sprintf("resource %v not found", id), http.StatusNotFound)
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return
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}
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}
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handler, err := c.Handle(r.Method)
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if err != nil {
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http.Error(w, fmt.Sprintf("method %v not allowed (%v)", r.Method, err), http.StatusMethodNotAllowed)
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return
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}
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glog.V(6).Infof("server: calling controller handler on body")
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// on return we close the request Body so we assume it is read synchronously
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response, err := handler(r.Body)
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var resp []byte
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if response != nil {
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resp, err = ioutil.ReadAll(response)
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}
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glog.V(6).Infof("server: called controller handler on body, response: %v", string(resp))
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if err != nil {
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http.Error(w, fmt.Sprintf("handler error: %v", err), http.StatusBadRequest)
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return
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}
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http.ServeContent(w, r, "", time.Now(), response)
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}
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