Package Request:

- fix bug with retryer and io reader body (body was not resend on retryed request)
- remove mutex and use atomic on potential race field
- simplify & optimize some code

request/body.go

@@ -36,6 +36,29 @@ const (
 	contentTypeJson = "application/json"
 )
 
+type bds struct {
+	b []byte
+}
+
+func (b *bds) Retry() io.Reader {
+	var p = make([]byte, len(b.b), cap(b.b))
+	copy(p, b.b)
+	return bytes.NewBuffer(p)
+}
+
+type bdf struct {
+	f io.ReadSeeker
+	p int64
+}
+
+func (b *bdf) Retry() io.Reader {
+	if _, e := b.f.Seek(b.p, io.SeekStart); e != nil {
+		return nil
+	} else {
+		return b.f
+	}
+}
+
 func (r *request) BodyJson(body interface{}) error {
 	if p, e := json.Marshal(body); e != nil {
 		return e
@@ -44,23 +67,41 @@ func (r *request) BodyJson(body interface{}) error {
 	} else {
 		r.ContentType(contentTypeJson)
 		r.ContentLength(uint64(len(p)))
-		r._BodyReader(bytes.NewBuffer(p))
+		r._BodyReader(&bds{
+			b: p,
+		})
 	}
 
 	return nil
 }
 
-func (r *request) BodyReader(body io.Reader, contentType string) {
-	r._BodyReader(body)
+func (r *request) BodyReader(body io.Reader, contentType string) error {
+	if f, k := body.(io.ReadSeeker); k {
+		if p, e := f.Seek(0, io.SeekStart); e != nil {
+			return e
+		} else {
+			r._BodyReader(&bdf{
+				f: f,
+				p: p,
+			})
+		}
+	} else {
+		if p, e := io.ReadAll(body); e != nil {
+			return e
+		} else {
+			r._BodyReader(&bds{
+				b: p,
+			})
+		}
+	}
 
 	if contentType != "" {
 		r.ContentType(contentType)
 	}
-}
 
-func (r *request) _BodyReader(body io.Reader) {
-	r.s.Lock()
-	defer r.s.Unlock()
+	return nil
+}
 
-	r.b = body
+func (r *request) _BodyReader(body BodyRetryer) {
+	r.bdr = body
 }

request/error.go

@@ -32,48 +32,91 @@ import (
 )
 
 type requestError struct {
-	c  int
-	s  string
-	se bool
-	b  *bytes.Buffer
-	be bool
-	e  error
+	code      int
+	status    string
+	statusErr bool
+	bufBody   *bytes.Buffer
+	bodyErr   bool
+	err       error
 }
 
 func (r *requestError) StatusCode() int {
-	return r.c
+	return r.code
 }
 
 func (r *requestError) Status() string {
-	return r.s
+	return r.status
 }
 
 func (r *requestError) Body() *bytes.Buffer {
-	return r.b
+	return r.bufBody
 }
 
 func (r *requestError) Error() error {
-	return r.e
+	return r.err
 }
 
 func (r *requestError) IsError() bool {
-	return r.se || r.be || r.e != nil
+	return r.statusErr || r.bodyErr || r.err != nil
 }
 
 func (r *requestError) IsStatusError() bool {
-	return r.se
+	return r.statusErr
 }
 
 func (r *requestError) IsBodyError() bool {
-	return r.be
+	return r.bodyErr
 }
 
 func (r *requestError) ParseBody(i interface{}) bool {
-	if r.b != nil && r.b.Len() > 0 {
-		if e := json.Unmarshal(r.b.Bytes(), i); e == nil {
+	if r.bufBody != nil && r.bufBody.Len() > 0 {
+		if e := json.Unmarshal(r.bufBody.Bytes(), i); e == nil {
 			return true
 		}
 	}
 
 	return false
 }
+
+func (r *request) newError() {
+	r.err.Store(&requestError{
+		code:      0,
+		status:    "",
+		statusErr: false,
+		bufBody:   bytes.NewBuffer(make([]byte, 0)),
+		bodyErr:   false,
+		err:       nil,
+	})
+}
+
+func (r *request) getError() *requestError {
+	if i := r.err.Load(); i != nil {
+		if v, k := i.(*requestError); k {
+			return v
+		}
+	}
+
+	return &requestError{
+		code:      0,
+		status:    "",
+		statusErr: false,
+		bufBody:   bytes.NewBuffer(make([]byte, 0)),
+		bodyErr:   false,
+		err:       nil,
+	}
+}
+
+func (r *request) setError(e *requestError) {
+	if e == nil {
+		e = &requestError{
+			code:      0,
+			status:    "",
+			statusErr: false,
+			bufBody:   bytes.NewBuffer(make([]byte, 0)),
+			bodyErr:   false,
+			err:       nil,
+		}
+	}
+
+	r.err.Store(e)
+}

request/header.go

@@ -28,7 +28,7 @@ package request
 
 import (
 	"fmt"
-	"net/url"
+	"net/http"
 )
 
 func (r *request) ContentType(mime string) {
@@ -40,37 +40,64 @@ func (r *request) ContentLength(size uint64) {
 }
 
 func (r *request) CleanHeader() {
-	r.s.Lock()
-	defer r.s.Unlock()
+	var k = make([]any, 0)
 
-	r.h = make(url.Values)
+	r.hdr.Range(func(key, value any) bool {
+		k = append(k, key)
+		return true
+	})
+
+	for _, key := range k {
+		r.hdr.Delete(key)
+	}
 }
 
 func (r *request) DelHeader(key string) {
-	r.s.Lock()
-	defer r.s.Unlock()
-
-	r.h.Del(key)
+	r.hdr.Delete(key)
 }
 
 func (r *request) SetHeader(key, value string) {
-	r.s.Lock()
-	defer r.s.Unlock()
+	r.hdr.Store(key, append(make([]string, 0), value))
+}
 
-	if len(r.h) < 1 {
-		r.h = make(url.Values)
+func (r *request) AddHeader(key, value string) {
+	var val []string
+	if i, l := r.hdr.Load(key); i != nil && l {
+		if v, k := i.([]string); k && len(v) > 0 {
+			val = v
+		}
 	}
 
-	r.h.Set(key, value)
-}
+	if len(val) < 1 {
+		val = make([]string, 0)
+	}
 
-func (r *request) AddHeader(key, value string) {
-	r.s.Lock()
-	defer r.s.Unlock()
+	r.hdr.Store(key, append(val, value))
+}
 
-	if len(r.h) < 1 {
-		r.h = make(url.Values)
+func (r *request) GetHeader(key string) []string {
+	if i, l := r.hdr.Load(key); i != nil && l {
+		if v, k := i.([]string); k && len(v) > 0 {
+			return v
+		}
 	}
 
-	r.h.Add(key, value)
+	return make([]string, 0)
+}
+
+func (r *request) httpHeader() http.Header {
+	var hdr = make(http.Header)
+
+	r.hdr.Range(func(key, value any) bool {
+		if u, k := key.(string); !k {
+			return true
+		} else if v, l := value.([]string); !l {
+			return true
+		} else {
+			hdr[u] = v
+			return true
+		}
+	})
+
+	return hdr
 }

request/interface.go

@@ -90,7 +90,11 @@ type Header interface {
 
 type Body interface {
 	BodyJson(body interface{}) error
-	BodyReader(body io.Reader, contentType string)
+	BodyReader(body io.Reader, contentType string) error
+}
+
+type BodyRetryer interface {
+	Retry() io.Reader
 }
 
 type Request interface {
@@ -121,23 +125,23 @@ type Request interface {
 
 func New(ctx libctx.FuncContext, opt *Options, cli libhtc.HttpClient) (Request, error) {
 	r := &request{
-		s: sync.Mutex{},
-		o: nil,
-		x: ctx,
-		l: nil,
-		u: nil,
-		h: make(url.Values),
-		p: make(url.Values),
-		b: bytes.NewBuffer(make([]byte, 0)),
-		m: http.MethodGet,
-		e: nil,
-		c: new(atomic.Value),
+		mux: sync.Mutex{},
+		opt: new(atomic.Value),
+		ctx: new(atomic.Value),
+		log: new(atomic.Value),
+		uri: nil,
+		hdr: make(url.Values),
+		prm: make(url.Values),
+		bdr: nil,
+		mth: http.MethodGet,
+		err: new(atomic.Value),
+		cli: new(atomic.Value),
 	}
 
 	if cli != nil {
-		r.c.Store(cli)
+		r.cli.Store(cli)
 	} else {
-		r.c.Store(libhtc.GetClient())
+		r.cli.Store(libhtc.GetClient())
 	}
 
 	if e := r.SetOption(opt); e != nil {