gnet: fix a bug of Content-Length header when using wildcat (#9273)

frameworks/Go/gnet/benchmark_config.json

@@ -4,8 +4,8 @@
     "default": {
       "plaintext_url": "/plaintext",
       "port": 8080,
-      "approach": "stripped",
-      "classification": "Micro",
+      "approach": "Realistic",
+      "classification": "Platform",
       "database": "None",
       "framework": "gnet",
       "language": "Go",

frameworks/Go/gnet/gnet.dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/golang:1.19
+FROM docker.io/golang:latest
 
 WORKDIR /gnet
 

frameworks/Go/gnet/src/go.mod

@@ -1,17 +1,19 @@
 module gnet
 
-go 1.19
+go 1.23.1
 
 require (
-	github.com/panjf2000/gnet/v2 v2.1.2
-	go.uber.org/multierr v1.8.0 // indirect
-	golang.org/x/sys v0.0.0-20220915200043-7b5979e65e41 // indirect
+	github.com/evanphx/wildcat v0.0.0-20141114174135-e7012f664567
+	github.com/panjf2000/gnet/v2 v2.5.7
 )
 
 require (
-	github.com/josharian/intern v1.0.0 // indirect
-	github.com/mailru/easyjson v0.7.7 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
-	go.uber.org/zap v1.23.0 // indirect
-	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/vektra/errors v0.0.0-20140903201135-c64d83aba85a // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.21.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 )

frameworks/Go/gnet/src/go.sum

@@ -1,46 +1,39 @@
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
-github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
+github.com/evanphx/wildcat v0.0.0-20141114174135-e7012f664567 h1:7+oQw6YjB/kk9x27AEC7DMXudqERHD583hZpno18lRw=
+github.com/evanphx/wildcat v0.0.0-20141114174135-e7012f664567/go.mod h1:XNGflD53X+hfdCAt1NGeBUgiUpe9QmweW/zI1gV26Zw=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
-github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
-github.com/panjf2000/ants/v2 v2.4.8 h1:JgTbolX6K6RreZ4+bfctI0Ifs+3mrE5BIHudQxUDQ9k=
-github.com/panjf2000/ants/v2 v2.4.8/go.mod h1:f6F0NZVFsGCp5A7QW/Zj/m92atWwOkY0OIhFxRNFr4A=
-github.com/panjf2000/gnet/v2 v2.1.2 h1:WJ/PkbfV6G0wcGOng2pyCwv8oadKiqtP8p+38smN7ao=
-github.com/panjf2000/gnet/v2 v2.1.2/go.mod h1:unWr2B4jF0DQPJH3GsXBGQiDcAamM6+Pf5FiK705kc4=
+github.com/panjf2000/ants/v2 v2.10.0 h1:zhRg1pQUtkyRiOFo2Sbqwjp0GfBNo9cUY2/Grpx1p+8=
+github.com/panjf2000/ants/v2 v2.10.0/go.mod h1:7ZxyxsqE4vvW0M7LSD8aI3cKwgFhBHbxnlN8mDqHa1I=
+github.com/panjf2000/gnet/v2 v2.5.7 h1:EGGIfLYEVAp2l5WSYT2XddSjpQ642PjwphbWhcJ0WBY=
+github.com/panjf2000/gnet/v2 v2.5.7/go.mod h1:ppopMJ8VrDbJu8kDsqFQTgNmpMS8Le5CmPxISf+Sauk=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/vektra/errors v0.0.0-20140903201135-c64d83aba85a h1:lUVfiMMY/te9icPKBqOKkBIMZNxSpM90dxokDeCcfBg=
+github.com/vektra/errors v0.0.0-20140903201135-c64d83aba85a/go.mod h1:KUxJS71XlMs+ztT+RzsLRoWUQRUpECo/+Rb0EBk8/Wc=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
-go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI=
 go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
+go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
-go.uber.org/multierr v1.8.0 h1:dg6GjLku4EH+249NNmoIciG9N/jURbDG+pFlTkhzIC8=
-go.uber.org/multierr v1.8.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
+go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
 go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
-go.uber.org/zap v1.23.0 h1:OjGQ5KQDEUawVHxNwQgPpiypGHOxo2mNZsOqTak4fFY=
-go.uber.org/zap v1.23.0/go.mod h1:D+nX8jyLsMHMYrln8A0rJjFt/T/9/bGgIhAqxv5URuY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
@@ -51,14 +44,15 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220224120231-95c6836cb0e7/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220915200043-7b5979e65e41 h1:ohgcoMbSofXygzo6AD2I1kz3BFmW1QArPYTtwEM3UXc=
-golang.org/x/sys v0.0.0-20220915200043-7b5979e65e41/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -71,12 +65,11 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
-gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

frameworks/Go/gnet/src/main.go

@@ -7,9 +7,11 @@ import (
 	"fmt"
 	"log"
 	"runtime"
+	"strconv"
 	"sync/atomic"
 	"time"
 
+	"github.com/evanphx/wildcat"
 	"github.com/panjf2000/gnet/v2"
 )
 
@@ -22,30 +24,68 @@ type httpServer struct {
 }
 
 type httpCodec struct {
-	delimiter []byte
-	buf       []byte
+	parser        *wildcat.HTTPParser
+	contentLength int
+	buf           []byte
 }
 
-func (hc *httpCodec) appendResponse() {
-	hc.buf = append(hc.buf, "HTTP/1.1 200 OK\r\nServer: gnet\r\nContent-Type: text/plain\r\nDate: "...)
-	//hc.buf = time.Now().AppendFormat(hc.buf, "Mon, 02 Jan 2006 15:04:05 GMT")
-	hc.buf = append(hc.buf, NowTimeFormat()...)
-	hc.buf = append(hc.buf, "\r\nContent-Length: 13\r\n\r\nHello, World!"...)
-}
-
-var errCRLFNotFound = errors.New("CRLF not found")
+var CRLF = []byte("\r\n\r\n")
 
 func (hc *httpCodec) parse(data []byte) (int, error) {
-	if idx := bytes.Index(data, hc.delimiter); idx != -1 {
+	// Perform a legit HTTP request parsing.
+	bodyOffset, err := hc.parser.Parse(data)
+	if err != nil {
+		return 0, err
+	}
+
+	// First check if the Content-Length header is present.
+	contentLength := hc.getContentLength()
+	if contentLength > -1 {
+		return bodyOffset + contentLength, nil
+	}
+
+	// If the Content-Length header is not found,
+	// we need to find the end of the body section.
+	if idx := bytes.Index(data, CRLF); idx != -1 {
 		return idx + 4, nil
 	}
-	return -1, errCRLFNotFound
+
+	return 0, errors.New("invalid http request")
+}
+
+var contentLengthKey = []byte("Content-Length")
+
+func (hc *httpCodec) getContentLength() int {
+	if hc.contentLength != -1 {
+		return hc.contentLength
+	}
+
+	val := hc.parser.FindHeader(contentLengthKey)
+	if val != nil {
+		i, err := strconv.ParseInt(string(val), 10, 0)
+		if err == nil {
+			hc.contentLength = int(i)
+		}
+	}
+
+	return hc.contentLength
+}
+
+func (hc *httpCodec) resetParser() {
+	hc.contentLength = -1
 }
 
 func (hc *httpCodec) reset() {
+	hc.resetParser()
 	hc.buf = hc.buf[:0]
 }
 
+func (hc *httpCodec) appendResponse() {
+	hc.buf = append(hc.buf, "HTTP/1.1 200 OK\r\nServer: gnet\r\nContent-Type: text/plain\r\nDate: "...)
+	hc.buf = append(hc.buf, NowTimeFormat()...)
+	hc.buf = append(hc.buf, "\r\nContent-Length: 13\r\n\r\nHello, World!"...)
+}
+
 func (hs *httpServer) OnBoot(eng gnet.Engine) gnet.Action {
 	hs.eng = eng
 	log.Printf("echo server with multi-core=%t is listening on %s\n", hs.multicore, hs.addr)
@@ -53,18 +93,20 @@ func (hs *httpServer) OnBoot(eng gnet.Engine) gnet.Action {
 }
 
 func (hs *httpServer) OnOpen(c gnet.Conn) ([]byte, gnet.Action) {
-	c.SetContext(&httpCodec{delimiter: []byte("\r\n\r\n")})
+	c.SetContext(&httpCodec{parser: wildcat.NewHTTPParser()})
 	return nil, gnet.None
 }
 
 func (hs *httpServer) OnTraffic(c gnet.Conn) gnet.Action {
-	buf, _ := c.Next(-1)
 	hc := c.Context().(*httpCodec)
+	buf, _ := c.Next(-1)
+
 pipeline:
 	nextOffset, err := hc.parse(buf)
 	if err != nil {
 		goto response
 	}
+	hc.resetParser()
 	hc.appendResponse()
 	buf = buf[nextOffset:]
 	if len(buf) > 0 {