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// Httpserver: wasmcloud capability contract for http server
package httpserver
import (
"github.com/wasmcloud/actor-tinygo" //nolint
cbor "github.com/wasmcloud/tinygo-cbor" //nolint
msgpack "github.com/wasmcloud/tinygo-msgpack" //nolint
)
// map data structure for holding http headers
//
type HeaderMap map[string]HeaderValues
// MEncode serializes a HeaderMap using msgpack
func (o *HeaderMap) MEncode(encoder msgpack.Writer) error {
encoder.WriteMapSize(uint32(len(*o)))
for key_o, val_o := range *o {
encoder.WriteString(key_o)
val_o.MEncode(encoder)
}
return encoder.CheckError()
}
// MDecodeHeaderMap deserializes a HeaderMap using msgpack
func MDecodeHeaderMap(d *msgpack.Decoder) (HeaderMap, error) {
isNil, err := d.IsNextNil()
if err != nil || isNil {
return make(map[string]HeaderValues, 0), err
}
size, err := d.ReadMapSize()
if err != nil {
return make(map[string]HeaderValues, 0), err
}
val := make(map[string]HeaderValues, size)
for i := uint32(0); i < size; i++ {
k, _ := d.ReadString()
v, err := MDecodeHeaderValues(d)
if err != nil {
return val, err
}
val[k] = v
}
return val, nil
}
// CEncode serializes a HeaderMap using cbor
func (o *HeaderMap) CEncode(encoder cbor.Writer) error {
encoder.WriteMapSize(uint32(len(*o)))
for key_o, val_o := range *o {
encoder.WriteString(key_o)
val_o.CEncode(encoder)
}
return encoder.CheckError()
}
// CDecodeHeaderMap deserializes a HeaderMap using cbor
func CDecodeHeaderMap(d *cbor.Decoder) (HeaderMap, error) {
isNil, err := d.IsNextNil()
if err != nil || isNil {
return make(map[string]HeaderValues, 0), err
}
size, indef, err := d.ReadMapSize()
if err != nil && indef {
err = cbor.NewReadError("indefinite maps not supported")
}
if err != nil {
return make(map[string]HeaderValues, 0), err
}
val := make(map[string]HeaderValues, size)
for i := uint32(0); i < size; i++ {
k, _ := d.ReadString()
v, err := CDecodeHeaderValues(d)
if err != nil {
return val, err
}
val[k] = v
}
return val, nil
}
type HeaderValues []string
// MEncode serializes a HeaderValues using msgpack
func (o *HeaderValues) MEncode(encoder msgpack.Writer) error {
encoder.WriteArraySize(uint32(len(*o)))
for _, item_o := range *o {
encoder.WriteString(item_o)
}
return encoder.CheckError()
}
// MDecodeHeaderValues deserializes a HeaderValues using msgpack
func MDecodeHeaderValues(d *msgpack.Decoder) (HeaderValues, error) {
isNil, err := d.IsNextNil()
if err != nil || isNil {
return make([]string, 0), err
}
size, err := d.ReadArraySize()
if err != nil {
return make([]string, 0), err
}
val := make([]string, size)
for i := uint32(0); i < size; i++ {
item, err := d.ReadString()
if err != nil {
return val, err
}
val = append(val, item)
}
return val, nil
}
// CEncode serializes a HeaderValues using cbor
func (o *HeaderValues) CEncode(encoder cbor.Writer) error {
encoder.WriteArraySize(uint32(len(*o)))
for _, item_o := range *o {
encoder.WriteString(item_o)
}
return encoder.CheckError()
}
// CDecodeHeaderValues deserializes a HeaderValues using cbor
func CDecodeHeaderValues(d *cbor.Decoder) (HeaderValues, error) {
isNil, err := d.IsNextNil()
if err != nil || isNil {
return make([]string, 0), err
}
size, indef, err := d.ReadArraySize()
if err != nil && indef {
err = cbor.NewReadError("indefinite arrays not supported")
}
if err != nil {
return make([]string, 0), err
}
val := make([]string, size)
for i := uint32(0); i < size; i++ {
item, err := d.ReadString()
if err != nil {
return val, err
}
val = append(val, item)
}
return val, nil
}
// HttpRequest contains data sent to actor about the http request
type HttpRequest struct {
// HTTP method. One of: GET,POST,PUT,DELETE,HEAD,OPTIONS,CONNECT,PATCH,TRACE
Method string
// full request path
Path string
// query string. May be an empty string if there were no query parameters.
QueryString string
// map of request headers (string key, string value)
Header HeaderMap
// Request body as a byte array. May be empty.
Body []byte
}
// MEncode serializes a HttpRequest using msgpack
func (o *HttpRequest) MEncode(encoder msgpack.Writer) error {
encoder.WriteMapSize(5)
encoder.WriteString("method")
encoder.WriteString(o.Method)
encoder.WriteString("path")
encoder.WriteString(o.Path)
encoder.WriteString("queryString")
encoder.WriteString(o.QueryString)
encoder.WriteString("header")
o.Header.MEncode(encoder)
encoder.WriteString("body")
encoder.WriteByteArray(o.Body)
return encoder.CheckError()
}
// MDecodeHttpRequest deserializes a HttpRequest using msgpack
func MDecodeHttpRequest(d *msgpack.Decoder) (HttpRequest, error) {
var val HttpRequest
isNil, err := d.IsNextNil()
if err != nil || isNil {
return val, err
}
size, err := d.ReadMapSize()
if err != nil {
return val, err
}
for i := uint32(0); i < size; i++ {
field, err := d.ReadString()
if err != nil {
return val, err
}
switch field {
case "method":
val.Method, err = d.ReadString()
case "path":
val.Path, err = d.ReadString()
case "queryString":
val.QueryString, err = d.ReadString()
case "header":
val.Header, err = MDecodeHeaderMap(d)
case "body":
val.Body, err = d.ReadByteArray()
default:
err = d.Skip()
}
if err != nil {
return val, err
}
}
return val, nil
}
// CEncode serializes a HttpRequest using cbor
func (o *HttpRequest) CEncode(encoder cbor.Writer) error {
encoder.WriteMapSize(5)
encoder.WriteString("method")
encoder.WriteString(o.Method)
encoder.WriteString("path")
encoder.WriteString(o.Path)
encoder.WriteString("queryString")
encoder.WriteString(o.QueryString)
encoder.WriteString("header")
o.Header.CEncode(encoder)
encoder.WriteString("body")
encoder.WriteByteArray(o.Body)
return encoder.CheckError()
}
// CDecodeHttpRequest deserializes a HttpRequest using cbor
func CDecodeHttpRequest(d *cbor.Decoder) (HttpRequest, error) {
var val HttpRequest
isNil, err := d.IsNextNil()
if err != nil || isNil {
return val, err
}
size, indef, err := d.ReadMapSize()
if err != nil && indef {
err = cbor.NewReadError("indefinite maps not supported")
}
if err != nil {
return val, err
}
for i := uint32(0); i < size; i++ {
field, err := d.ReadString()
if err != nil {
return val, err
}
switch field {
case "method":
val.Method, err = d.ReadString()
case "path":
val.Path, err = d.ReadString()
case "queryString":
val.QueryString, err = d.ReadString()
case "header":
val.Header, err = CDecodeHeaderMap(d)
case "body":
val.Body, err = d.ReadByteArray()
default:
err = d.Skip()
}
if err != nil {
return val, err
}
}
return val, nil
}
// HttpResponse contains the actor's response to return to the http client
type HttpResponse struct {
// statusCode is a three-digit number, usually in the range 100-599,
// A value of 200 indicates success.
StatusCode uint16
// Map of headers (string keys, list of values)
Header HeaderMap
// Body of response as a byte array. May be an empty array.
Body []byte
}
// MEncode serializes a HttpResponse using msgpack
func (o *HttpResponse) MEncode(encoder msgpack.Writer) error {
encoder.WriteMapSize(3)
encoder.WriteString("statusCode")
encoder.WriteUint16(o.StatusCode)
encoder.WriteString("header")
o.Header.MEncode(encoder)
encoder.WriteString("body")
encoder.WriteByteArray(o.Body)
return encoder.CheckError()
}
// MDecodeHttpResponse deserializes a HttpResponse using msgpack
func MDecodeHttpResponse(d *msgpack.Decoder) (HttpResponse, error) {
var val HttpResponse
isNil, err := d.IsNextNil()
if err != nil || isNil {
return val, err
}
size, err := d.ReadMapSize()
if err != nil {
return val, err
}
for i := uint32(0); i < size; i++ {
field, err := d.ReadString()
if err != nil {
return val, err
}
switch field {
case "statusCode":
val.StatusCode, err = d.ReadUint16()
case "header":
val.Header, err = MDecodeHeaderMap(d)
case "body":
val.Body, err = d.ReadByteArray()
default:
err = d.Skip()
}
if err != nil {
return val, err
}
}
return val, nil
}
// CEncode serializes a HttpResponse using cbor
func (o *HttpResponse) CEncode(encoder cbor.Writer) error {
encoder.WriteMapSize(3)
encoder.WriteString("statusCode")
encoder.WriteUint16(o.StatusCode)
encoder.WriteString("header")
o.Header.CEncode(encoder)
encoder.WriteString("body")
encoder.WriteByteArray(o.Body)
return encoder.CheckError()
}
// CDecodeHttpResponse deserializes a HttpResponse using cbor
func CDecodeHttpResponse(d *cbor.Decoder) (HttpResponse, error) {
var val HttpResponse
isNil, err := d.IsNextNil()
if err != nil || isNil {
return val, err
}
size, indef, err := d.ReadMapSize()
if err != nil && indef {
err = cbor.NewReadError("indefinite maps not supported")
}
if err != nil {
return val, err
}
for i := uint32(0); i < size; i++ {
field, err := d.ReadString()
if err != nil {
return val, err
}
switch field {
case "statusCode":
val.StatusCode, err = d.ReadUint16()
case "header":
val.Header, err = CDecodeHeaderMap(d)
case "body":
val.Body, err = d.ReadByteArray()
default:
err = d.Skip()
}
if err != nil {
return val, err
}
}
return val, nil
}
// HttpServer is the contract to be implemented by actor
type HttpServer interface {
HandleRequest(ctx *actor.Context, arg HttpRequest) (*HttpResponse, error)
}
// HttpServerHandler is called by an actor during `main` to generate a dispatch handler
// The output of this call should be passed into `actor.RegisterHandlers`
func HttpServerHandler(actor_ HttpServer) actor.Handler {
return actor.NewHandler("HttpServer", &HttpServerReceiver{}, actor_)
}
// HttpServerContractId returns the capability contract id for this interface
func HttpServerContractId() string { return "wasmcloud:httpserver" }
// HttpServerReceiver receives messages defined in the HttpServer service interface
// HttpServer is the contract to be implemented by actor
type HttpServerReceiver struct{}
func (r *HttpServerReceiver) Dispatch(ctx *actor.Context, svc interface{}, message *actor.Message) (*actor.Message, error) {
svc_, _ := svc.(HttpServer)
switch message.Method {
case "HandleRequest":
{
d := msgpack.NewDecoder(message.Arg)
value, err_ := MDecodeHttpRequest(&d)
if err_ != nil {
return nil, err_
}
resp, err := svc_.HandleRequest(ctx, value)
if err != nil {
return nil, err
}
var sizer msgpack.Sizer
size_enc := &sizer
resp.MEncode(size_enc)
buf := make([]byte, sizer.Len())
encoder := msgpack.NewEncoder(buf)
enc := &encoder
resp.MEncode(enc)
return &actor.Message{Method: "HttpServer.HandleRequest", Arg: buf}, nil
}
default:
return nil, actor.NewRpcError("MethodNotHandled", "HttpServer."+message.Method)
}
}
// HttpServerSender sends messages to a HttpServer service
// HttpServer is the contract to be implemented by actor
type HttpServerSender struct{ transport actor.Transport }
// NewActorSender constructs a client for actor-to-actor messaging
// using the recipient actor's public key
func NewActorHttpServerSender(actor_id string) *HttpServerSender {
transport := actor.ToActor(actor_id)
return &HttpServerSender{transport: transport}
}
func (s *HttpServerSender) HandleRequest(ctx *actor.Context, arg HttpRequest) (*HttpResponse, error) {
var sizer msgpack.Sizer
size_enc := &sizer
arg.MEncode(size_enc)
buf := make([]byte, sizer.Len())
var encoder = msgpack.NewEncoder(buf)
enc := &encoder
arg.MEncode(enc)
out_buf, _ := s.transport.Send(ctx, actor.Message{Method: "HttpServer.HandleRequest", Arg: buf})
d := msgpack.NewDecoder(out_buf)
resp, err_ := MDecodeHttpResponse(&d)
if err_ != nil {
return nil, err_
}
return &resp, nil
}
// This file is generated automatically using wasmcloud/weld-codegen 0.4.5