Files
apinto/node/http-context/context.go
2021-12-14 18:20:24 +08:00

134 lines
2.8 KiB
Go

package http_context
import (
"context"
"time"
"github.com/eolinker/eosc/formatter"
fasthttp_client "github.com/eolinker/goku/node/fasthttp-client"
"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 fasthttpRequestCtx
type Context struct {
fastHttpRequestCtx *fasthttp.RequestCtx
proxyRequest *ProxyRequest
requestID string
response *Response
responseError error
requestReader *RequestReader
ctx context.Context
entry *Entry
}
func (ctx *Context) SetField(key, value string) {
if ctx.entry == nil {
ctx.entry = NewEntry()
}
ctx.entry.SetField(key, value)
}
func (ctx *Context) SetChildren(name string, fields []map[string]string) {
if ctx.entry == nil {
ctx.entry = NewEntry()
}
ctx.entry.SetChildren(name, fields)
}
func (ctx *Context) Entry() formatter.IEntry {
return ctx.entry
}
func (ctx *Context) Response() http_service.IResponse {
return ctx.response
}
func (ctx *Context) ResponseError() error {
return ctx.responseError
}
type Finish interface {
Finish() error
}
func (ctx *Context) SendTo(address string, timeout time.Duration) error {
request := ctx.proxyRequest.Request()
ctx.responseError = fasthttp_client.ProxyTimeout(address, request, &ctx.fastHttpRequestCtx.Response, timeout)
return ctx.responseError
}
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) Proxy() http_service.IRequest {
return ctx.proxyRequest
}
func (ctx *Context) Request() http_service.IRequestReader {
return ctx.requestReader
}
//NewContext 创建Context
func NewContext(ctx *fasthttp.RequestCtx) *Context {
id := uuid.NewV4()
requestID := id.String()
newCtx := &Context{
fastHttpRequestCtx: ctx,
requestID: requestID,
requestReader: NewRequestReader(&ctx.Request, ctx.RemoteIP().String()),
proxyRequest: NewProxyRequest(&ctx.Request, ctx.RemoteIP().String()),
response: NewResponse(ctx),
responseError: nil,
}
return newCtx
}
//RequestId 请求ID
func (ctx *Context) RequestId() string {
return ctx.requestID
}
//Finish finish
func (ctx *Context) Finish() {
if ctx.responseError != nil {
ctx.fastHttpRequestCtx.SetStatusCode(504)
ctx.fastHttpRequestCtx.SetBodyString(ctx.responseError.Error())
return
}
ctx.requestReader.Finish()
ctx.proxyRequest.Finish()
return
}
func NotFound(ctx *Context) {
ctx.fastHttpRequestCtx.SetStatusCode(404)
ctx.fastHttpRequestCtx.SetBody([]byte("404 Not Found"))
}