Files
apinto/node/http-context/context.go
2021-11-11 20:23:52 +08:00

121 lines
2.6 KiB
Go

package http_context
import (
"context"
"encoding/json"
"github.com/valyala/fasthttp"
http_service "github.com/eolinker/eosc/http-service"
uuid "github.com/satori/go.uuid"
)
var _ http_service.IHttpContext = (*Context)(nil)
//Context requestCtx
type Context struct {
requestCtx *fasthttp.RequestCtx
requestOrg *fasthttp.Request
proxyRequest *ProxyRequest
proxyResponse *fasthttp.Response
body []byte
requestID string
RestfulParam map[string]string
code int
status string
response *Response
requestReader *RequestReader
ctx context.Context
}
func (ctx *Context) Context() context.Context {
if ctx.ctx == nil {
ctx.ctx = context.Background()
}
return ctx.ctx
}
func (ctx *Context) Value(key interface{}) interface{} {
return ctx.Context().Value(key)
}
func (ctx *Context) WithValue(key, val interface{}) {
ctx.ctx = context.WithValue(ctx.Context(), key, val)
}
func (ctx *Context) Response() http_service.IResponse {
if ctx.response == nil {
ctx.response = NewResponse(ctx.proxyResponse)
}
return ctx.response
}
func (ctx *Context) Proxy() http_service.IRequest {
return ctx.proxyRequest
}
func (ctx *Context) SetStatus(code int, status string) {
ctx.code, ctx.status = code, status
}
func (ctx *Context) Request() http_service.IRequestReader {
if ctx.requestReader == nil {
ctx.requestReader = NewRequestReader(ctx.requestOrg, ctx.requestCtx.RemoteAddr().String())
}
return ctx.requestReader
}
//NewContext 创建Context
func NewContext(ctx *fasthttp.RequestCtx) *Context {
id := uuid.NewV4()
requestID := id.String()
newRequest := &ctx.Request
newCtx := &Context{
requestCtx: ctx,
requestOrg: fasthttp.AcquireRequest(),
requestID: requestID,
}
proxyRequest := fasthttp.AcquireRequest()
newRequest.CopyTo(newCtx.requestOrg)
newRequest.CopyTo(proxyRequest)
newCtx.proxyRequest = NewProxyRequest(NewRequestReader(proxyRequest, ""))
return newCtx
}
//RequestId 请求ID
func (ctx *Context) RequestId() string {
return ctx.requestID
}
func (ctx *Context) SetBody(body []byte) {
ctx.requestCtx.SetBody(body)
}
func (ctx *Context) SetResponse(response *fasthttp.Response) {
ctx.body = response.Body()
ctx.proxyResponse = response
}
//Finish finish
func (ctx *Context) Finish() {
ctx.proxyResponse.CopyTo(&ctx.requestCtx.Response)
return
}
func (ctx *Context) SetError(err error) {
result := map[string]string{
"status": "error",
"msg": err.Error(),
}
errByte, _ := json.Marshal(result)
ctx.body = errByte
}
func NotFound(ctx *Context) {
ctx.requestCtx.SetStatusCode(404)
ctx.requestCtx.SetBody([]byte("404 Not Found"))
}