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work on KVBuffer exhausted semantics

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This commit is contained in:
Patricio Whittingslow
2026-07-29 15:37:09 -03:00
parent e346cd98d1
commit 546f11e375
9 changed files with 131 additions and 204 deletions
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http/httpraw/header.go
+13 -18
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@@ -234,12 +234,7 @@ func (h *Header) SetInt(key string, value int64, base int) {
if base < 2 || base > 36 {
return // strconv.AppendInt only supports base 2..36.
}
useKv := h.takeReusableSlot(key)
if useKv == nil {
h.appendHeaderInt(key, value, base)
} else {
useKv.value = h.reuseOrAppendInt(useKv.value, value, base)
}
h.hbuf.kv.SetInt(key, value, base)
}
// Set sets a key-value pair in the HTTP header.
@@ -249,9 +244,9 @@ func (h *Header) Set(key, value string) (enoughSpace bool) {
// useKv := h.takeReusableSlot(key)
// if useKv == nil {
// h.appendHeader(key, value)
// h.hbuf.kv.appendPair(key, value)
// } else {
// useKv.value = h.reuseOrAppend(useKv.value, value)
// useKv.value = h.hbuf.kv.reuseOrAppend(useKv.value, value)
// }
}
@@ -355,7 +350,7 @@ func (h *Header) ContentLength() (_ int64, present bool, _ error) {
// Add adds a new key-value pair to the HTTP header. Calling Add mangles the buffer.
func (h *Header) Add(key, value string) {
h.appendHeader(key, value)
h.hbuf.kv.appendPair(key, value)
}
// Method returns HTTP request method.
@@ -365,12 +360,12 @@ func (h *Header) Method() []byte {
// SetMethod sets the request header's method.
func (h *Header) SetMethod(method string) {
h.method = h.reuseOrAppend(h.method, method)
h.method = h.hbuf.kv.reuseOrAppend(h.method, method)
}
// SetRequestTarget sets request-target (URI) for the first HTTP request line.
func (h *Header) SetRequestTarget(requestTarget string) {
h.requestTarget = h.reuseOrAppend(h.requestTarget, requestTarget)
h.requestTarget = h.hbuf.kv.reuseOrAppend(h.requestTarget, requestTarget)
}
// RequestTarget returns a view of the request-target (URI) of the first HTTP request line.
@@ -442,7 +437,7 @@ func (h *Header) Protocol() []byte {
// SetProtocol sets the request header's protocol. Usually "HTTP/1.1".
func (h *Header) SetProtocol(protocol string) {
h.proto = h.reuseOrAppend(h.proto, protocol)
h.proto = h.hbuf.kv.reuseOrAppend(h.proto, protocol)
}
// Status returns the response header's status code and status text. i.e: "200" "OK".
@@ -456,15 +451,15 @@ func (h *Header) Status() (code, statusText []byte) {
// SetStatus sets the response header's status code and status text. i.e: "200" "OK".
func (h *Header) SetStatus(code, statusText string) {
h.hbuf.kv.flags |= FlagStatusSet
h.statusCode = h.reuseOrAppend(h.statusCode, code)
h.statusText = h.reuseOrAppend(h.statusText, statusText)
h.statusCode = h.hbuf.kv.reuseOrAppend(h.statusCode, code)
h.statusText = h.hbuf.kv.reuseOrAppend(h.statusText, statusText)
}
// SetStatusInt is identical to [Header.SetStatus] but performs integer to text conversion for status code.
func (h *Header) SetStatusInt(code int64, statusText string) {
h.hbuf.kv.flags |= FlagStatusSet
h.statusCode = h.reuseOrAppendInt(h.statusCode, code, 10)
h.statusText = h.reuseOrAppend(h.statusText, statusText)
h.statusCode = h.hbuf.kv.reuseOrAppendInt(h.statusCode, code, 10)
h.statusText = h.hbuf.kv.reuseOrAppend(h.statusText, statusText)
}
func (h *Header) getNonEmptyValue(s headerSlice) []byte {
@@ -478,7 +473,7 @@ func (h *Header) getNonEmptyValue(s headerSlice) []byte {
func (h *Header) AppendRequest(dst []byte) ([]byte, error) {
proto := h.Protocol()
if h.hbuf.kv.flags.HasAny(flagOOMReached) {
return dst, errOOM
return dst, ErrBufferExhausted
} else if h.requestTarget.len == 0 || h.method.len == 0 {
return dst, errNeedMethodURI
} else if len(proto) == 0 {
@@ -518,7 +513,7 @@ func (h *Header) AppendResponse(dst []byte) ([]byte, error) {
func (h *Header) AppendResponseNoHeaders(dst []byte) ([]byte, error) {
proto := h.Protocol()
if h.hbuf.kv.flags.HasAny(flagOOMReached) {
return dst, errOOM
return dst, ErrBufferExhausted
} else if h.statusCode.len == 0 || h.statusText.len == 0 {
return dst, errBadStatusCodeTxt
} else if len(proto) == 0 {