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server.go
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server.go
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// Code generated by Remoto; DO NOT EDIT.
// Package suggestionbox contains the HTTP server for suggestionbox services.
package suggestionbox
import (
"context"
"fmt"
"io"
"net/http"
"os"
"strconv"
"github.com/machinebox/remoto/go/remotohttp"
"github.com/machinebox/remoto/go/remotohttp/remototypes"
"github.com/pkg/errors"
)
type Suggestionbox interface {
CreateModel(context.Context, *CreateModelRequest) (*CreateModelResponse, error)
DeleteModel(context.Context, *DeleteModelRequest) (*DeleteModelResponse, error)
GetState(context.Context, *GetStateRequest) (*remototypes.FileResponse, error)
ListModels(context.Context, *ListModelsRequest) (*ListModelsResponse, error)
Predict(context.Context, *PredictRequest) (*PredictResponse, error)
PutState(context.Context, *PutStateRequest) (*PutStateResponse, error)
Reward(context.Context, *RewardRequest) (*RewardResponse, error)
}
// Run is the simplest way to run the services.
func Run(addr string,
suggestionbox Suggestionbox,
) error {
server := New(
suggestionbox,
)
if err := server.Describe(os.Stdout); err != nil {
return errors.Wrap(err, "describe service")
}
if err := http.ListenAndServe(addr, server); err != nil {
return err
}
return nil
}
// New makes a new remotohttp.Server with the specified services
// registered.
func New(
suggestionbox Suggestionbox,
) *remotohttp.Server {
server := &remotohttp.Server{
OnErr: func(w http.ResponseWriter, r *http.Request, err error) {
fmt.Fprintf(os.Stderr, "%s %s: %s\n", r.Method, r.URL.Path, err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
},
NotFound: http.NotFoundHandler(),
}
RegisterSuggestionboxServer(server, suggestionbox)
return server
}
// RegisterSuggestionboxServer registers a Suggestionbox with a remotohttp.Server.
func RegisterSuggestionboxServer(server *remotohttp.Server, service Suggestionbox) {
srv := &httpSuggestionboxServer{
service: service,
server: server,
}
server.Register("/remoto/Suggestionbox.CreateModel", http.HandlerFunc(srv.handleCreateModel))
server.Register("/remoto/Suggestionbox.DeleteModel", http.HandlerFunc(srv.handleDeleteModel))
server.Register("/remoto/Suggestionbox.GetState", http.HandlerFunc(srv.handleGetState))
server.Register("/remoto/Suggestionbox.ListModels", http.HandlerFunc(srv.handleListModels))
server.Register("/remoto/Suggestionbox.Predict", http.HandlerFunc(srv.handlePredict))
server.Register("/remoto/Suggestionbox.PutState", http.HandlerFunc(srv.handlePutState))
server.Register("/remoto/Suggestionbox.Reward", http.HandlerFunc(srv.handleReward))
}
type Choice struct {
ID string `json:"id"`
Features []Feature `json:"features"`
}
type CreateModelRequest struct {
Model Model `json:"model"`
}
type CreateModelResponse struct {
// Error is an error message if one occurred.
Error string `json:"error"`
}
type DeleteModelRequest struct {
ModelID string `json:"model_id"`
}
type DeleteModelResponse struct {
// Error is an error message if one occurred.
Error string `json:"error"`
}
type Feature struct {
Key string `json:"key"`
Type string `json:"type"`
Value string `json:"value"`
File remototypes.File `json:"file"`
}
type GetStateRequest struct {
}
type ListModelsRequest struct {
}
type ListModelsResponse struct {
Models []Model `json:"models"`
// Error is an error message if one occurred.
Error string `json:"error"`
}
type Model struct {
ID string `json:"id"`
Name string `json:"name"`
Options ModelOptions `json:"options"`
Choices []Choice `json:"choices"`
}
type ModelOptions struct {
RewardExpirationSeconds int `json:"reward_expiration_seconds"`
Ngrams int `json:"ngrams"`
Skipgrams int `json:"skipgrams"`
Mode string `json:"mode"`
Epsilon float64 `json:"epsilon"`
Cover float64 `json:"cover"`
}
type PredictRequest struct {
ModelID string `json:"model_id"`
Limit int `json:"limit"`
Inputs []Feature `json:"inputs"`
}
type PredictResponse struct {
Choices []PredictedChoice `json:"choices"`
// Error is an error message if one occurred.
Error string `json:"error"`
}
type PredictedChoice struct {
ID string `json:"id"`
Features []Feature `json:"features"`
RewardID string `json:"reward_id"`
}
type PutStateRequest struct {
StateFile remototypes.File `json:"state_file"`
}
type PutStateResponse struct {
// Error is an error message if one occurred.
Error string `json:"error"`
}
type RewardRequest struct {
ModelID string `json:"model_id"`
RewardID string `json:"reward_id"`
Value int `json:"value"`
}
type RewardResponse struct {
// Error is an error message if one occurred.
Error string `json:"error"`
}
// httpSuggestionboxServer is an internal type that provides an
// HTTP wrapper around Suggestionbox.
type httpSuggestionboxServer struct {
// service is the Suggestionbox being exposed by this
// server.
service Suggestionbox
// server is the remotohttp.Server that this server is
// registered with.
server *remotohttp.Server
}
// handleCreateModel is an http.Handler wrapper for Suggestionbox.CreateModel.
func (srv *httpSuggestionboxServer) handleCreateModel(w http.ResponseWriter, r *http.Request) {
var reqs []*CreateModelRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
resps := make([]CreateModelResponse, len(reqs))
for i := range reqs {
resp, err := srv.service.CreateModel(r.Context(), reqs[i])
if err != nil {
resps[i].Error = err.Error()
continue
}
resps[i] = *resp
}
if err := remotohttp.Encode(w, r, http.StatusOK, resps); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// handleDeleteModel is an http.Handler wrapper for Suggestionbox.DeleteModel.
func (srv *httpSuggestionboxServer) handleDeleteModel(w http.ResponseWriter, r *http.Request) {
var reqs []*DeleteModelRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
resps := make([]DeleteModelResponse, len(reqs))
for i := range reqs {
resp, err := srv.service.DeleteModel(r.Context(), reqs[i])
if err != nil {
resps[i].Error = err.Error()
continue
}
resps[i] = *resp
}
if err := remotohttp.Encode(w, r, http.StatusOK, resps); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// handleGetState is an http.Handler wrapper for Suggestionbox.GetState.
func (srv *httpSuggestionboxServer) handleGetState(w http.ResponseWriter, r *http.Request) {
var reqs []*GetStateRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
// single file response
if len(reqs) != 1 {
if err := remotohttp.EncodeErr(w, r, errors.New("only single requests supported for file response endpoints")); err != nil {
srv.server.OnErr(w, r, err)
return
}
return
}
resp, err := srv.service.GetState(r.Context(), reqs[0])
if err != nil {
resp.Error = err.Error()
if err := remotohttp.Encode(w, r, http.StatusOK, []interface{}{resp}); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
if resp.ContentType == "" {
resp.ContentType = "application/octet-stream"
}
w.Header().Set("Content-Type", resp.ContentType)
w.Header().Set("Content-Disposition", "attachment; filename="+strconv.QuoteToASCII(resp.Filename))
if resp.ContentLength > 0 {
w.Header().Set("Content-Length", strconv.Itoa(resp.ContentLength))
}
if _, err := io.Copy(w, resp.Data); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// handleListModels is an http.Handler wrapper for Suggestionbox.ListModels.
func (srv *httpSuggestionboxServer) handleListModels(w http.ResponseWriter, r *http.Request) {
var reqs []*ListModelsRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
resps := make([]ListModelsResponse, len(reqs))
for i := range reqs {
resp, err := srv.service.ListModels(r.Context(), reqs[i])
if err != nil {
resps[i].Error = err.Error()
continue
}
resps[i] = *resp
}
if err := remotohttp.Encode(w, r, http.StatusOK, resps); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// handlePredict is an http.Handler wrapper for Suggestionbox.Predict.
func (srv *httpSuggestionboxServer) handlePredict(w http.ResponseWriter, r *http.Request) {
var reqs []*PredictRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
resps := make([]PredictResponse, len(reqs))
for i := range reqs {
resp, err := srv.service.Predict(r.Context(), reqs[i])
if err != nil {
resps[i].Error = err.Error()
continue
}
resps[i] = *resp
}
if err := remotohttp.Encode(w, r, http.StatusOK, resps); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// handlePutState is an http.Handler wrapper for Suggestionbox.PutState.
func (srv *httpSuggestionboxServer) handlePutState(w http.ResponseWriter, r *http.Request) {
var reqs []*PutStateRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
resps := make([]PutStateResponse, len(reqs))
for i := range reqs {
resp, err := srv.service.PutState(r.Context(), reqs[i])
if err != nil {
resps[i].Error = err.Error()
continue
}
resps[i] = *resp
}
if err := remotohttp.Encode(w, r, http.StatusOK, resps); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// handleReward is an http.Handler wrapper for Suggestionbox.Reward.
func (srv *httpSuggestionboxServer) handleReward(w http.ResponseWriter, r *http.Request) {
var reqs []*RewardRequest
if err := remotohttp.Decode(r, &reqs); err != nil {
srv.server.OnErr(w, r, err)
return
}
resps := make([]RewardResponse, len(reqs))
for i := range reqs {
resp, err := srv.service.Reward(r.Context(), reqs[i])
if err != nil {
resps[i].Error = err.Error()
continue
}
resps[i] = *resp
}
if err := remotohttp.Encode(w, r, http.StatusOK, resps); err != nil {
srv.server.OnErr(w, r, err)
return
}
}
// this is here so we don't get a compiler complaints.
func init() {
var _ = remototypes.File{}
var _ = strconv.Itoa(0)
var _ = io.EOF
}