修复fasthttp copy请求体截断的问题

drivers/plugins/http-to-dubbo2/complete.go

@@ -4,11 +4,12 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"time"
+
 	hessian "github.com/apache/dubbo-go-hessian2"
 	"github.com/eolinker/eosc/eocontext"
 	http_service "github.com/eolinker/eosc/eocontext/http-context"
 	"github.com/eolinker/eosc/log"
-	"time"
 )
 
 var (
@@ -46,7 +47,7 @@ func (c *Complete) Complete(org eocontext.EoContext) error {
 		ctx.Response().SetResponseTime(time.Now().Sub(proxyTime))
 		ctx.SetLabel("handler", "proxy")
 	}()
-	body, _ := ctx.Request().Body().RawBody()
+	body, _ := ctx.Proxy().Body().RawBody()
 
 	var types []string
 	var valuesList []hessian.Object

drivers/plugins/proxy-mirror/handler.go

@@ -20,11 +20,10 @@ func newMirrorHandler(eoCtx eocontext.EoContext, service *mirrorService) (eocont
 }
 
 func (p *proxyMirrorCompleteHandler) Complete(ctx eocontext.EoContext) error {
-	cloneCtx, err := ctx.Clone()
 
 	//先执行原始Complete, 再执行镜像请求的Complete
 	orgErr := p.orgComplete.Complete(ctx)
-
+	cloneCtx, err := ctx.Clone()
 	if err != nil {
 		log.Warn(err)
 		return orgErr

drivers/router/http-router/manager/manager.go

@@ -67,7 +67,6 @@ func (m *Manager) Delete(id string) {
 }
 
 func (m *Manager) FastHandler(port int, ctx *fasthttp.RequestCtx) {
-	ctx.Request.Body()
 	httpContext := http_context.NewContext(ctx, port)
 	if m.matcher == nil {
 		httpContext.SetFinish(notFound)

node/http-context/context.go

@@ -190,10 +190,12 @@ func (ctx *HttpContext) Clone() (eoscContext.EoContext, error) {
 	copyContext.proxyRequests = make([]http_service.IProxy, 0, 2)
 
 	req := fasthttp.AcquireRequest()
-	ctx.fastHttpRequestCtx.Request.CopyTo(req)
+	// 当body未读取，调用Body方法读出stream中当所有body内容，避免请求体被截断
+	ctx.proxyRequest.req.Body()
+	ctx.proxyRequest.req.CopyTo(req)
 
 	resp := fasthttp.AcquireResponse()
-	ctx.fastHttpRequestCtx.Response.CopyTo(resp)
+	//ctx.fastHttpRequestCtx.Response.CopyTo(resp)
 
 	copyContext.proxyRequest.reset(req, ctx.requestReader.remoteAddr)
 	copyContext.response.reset(resp)
@@ -224,7 +226,12 @@ func NewContext(ctx *fasthttp.RequestCtx, port int) *HttpContext {
 	httpContext.fastHttpRequestCtx = ctx
 	httpContext.requestID = uuid.New().String()
 
-	httpContext.requestReader.reset(&ctx.Request, remoteAddr)
+	// 原始请求最大读取body为8k，使用clone request
+	request := fasthttp.AcquireRequest()
+	ctx.Request.CopyTo(request)
+	httpContext.requestReader.reset(request, remoteAddr)
+
+	// proxyRequest保留原始请求
 	httpContext.proxyRequest.reset(&ctx.Request, remoteAddr)
 	httpContext.proxyRequests = httpContext.proxyRequests[:0]
 	httpContext.response.reset(&ctx.Response)

node/http-context/proxy.go

@@ -3,6 +3,7 @@ package http_context
 import (
 	"bytes"
 	"fmt"
+
 	"github.com/eolinker/eosc/log"
 
 	http_service "github.com/eolinker/eosc/eocontext/http-context"
@@ -44,23 +45,23 @@ var (
 )
 
 func (r *ProxyRequest) reset(request *fasthttp.Request, remoteAddr string) {
-	proxyRequest := fasthttp.AcquireRequest()
-	request.CopyTo(proxyRequest)
-
-	forwardedFor := proxyRequest.Header.PeekBytes(xforwardedforKey)
+	//proxyRequest := fasthttp.AcquireRequest()
+	//request.CopyTo(proxyRequest)
+	r.req = request
+	forwardedFor := r.req.Header.PeekBytes(xforwardedforKey)
 	if len(forwardedFor) > 0 {
 		if i := bytes.IndexByte(forwardedFor, ','); i > 0 {
 			r.realIP = string(forwardedFor[:i])
 		} else {
 			r.realIP = string(forwardedFor)
 		}
-		proxyRequest.Header.Set("x-forwarded-for", fmt.Sprint(string(forwardedFor), ",", r.remoteAddr))
+		r.req.Header.Set("x-forwarded-for", fmt.Sprint(string(forwardedFor), ",", r.remoteAddr))
 	} else {
-		proxyRequest.Header.Set("x-forwarded-for", r.remoteAddr)
+		r.req.Header.Set("x-forwarded-for", r.remoteAddr)
 		r.realIP = r.remoteAddr
 	}
 
-	r.RequestReader.reset(proxyRequest, remoteAddr)
+	r.RequestReader.reset(r.req, remoteAddr)
 }
 
 //func NewProxyRequest(request *fasthttp.Request, remoteAddr string) *ProxyRequest {