115 lines
2.8 KiB
Go

// Package mesh ...
//
// Description : mesh ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2025-03-28 14:11
package mesh
import (
"context"
"git.zhangdeman.cn/zhangdeman/network/httpclient"
"sync"
)
func Request(req *RequestConfig, receiver any) *Response {
if nil == req.Ctx {
req.Ctx = context.Background()
}
c := &client{
resp: &Response{
IsSuccess: false,
ErrorCode: "",
ErrorMessage: "",
Raw: nil,
DataMap: nil,
AliasResultTable: make(map[string]*Response),
Lock: &sync.RWMutex{},
},
reqCfg: req,
receiver: receiver,
}
return c.Request()
}
type client struct {
ctx context.Context
resp *Response
reqCfg *RequestConfig
receiver any
}
func (c *client) Request() *Response {
for _, itemGroup := range c.reqCfg.Group {
if !c.doRequest(itemGroup) {
break
}
}
return c.resp
}
// doRequest 返回是否继续
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 15:30 2025/3/28
func (c *client) doRequest(apiList []*RequestConfigGroupItem) bool {
if len(apiList) == 0 {
return true
}
// 初始化请求配置, 并获取 http client 实例
httpClientList := make([]*httpclient.HttpClient, 0)
for _, apiCfg := range apiList {
var (
err error
httpClient *httpclient.HttpClient
)
// 初始化一下请求
c.initApiCfg(apiCfg)
if httpClient, err = httpclient.NewHttpClient(apiCfg.RequestCfg, apiCfg.CacheInstance); nil != err {
// 此处获取客户端实例即发生异常, 忽略一切配置, 直接作为全局失败, 后续也不请求了
c.resp.ErrorCode = "-500"
c.resp.ErrorMessage = err.Error()
return false
}
httpClientList = append(httpClientList, httpClient)
}
isContinue := true
wg := &sync.WaitGroup{}
for idx, apiCfg := range apiList {
wg.Add(1)
go func(clientIdx int, apiCfg *RequestConfigGroupItem) {
defer func() {
if err := recover(); nil != err {
}
wg.Done()
}()
// TODO : 判断是否已经是最终失败
resp := httpClientList[clientIdx].Request()
c.resp.Lock.Lock()
defer c.resp.Lock.Unlock()
if !resp.IsSuccess {
}
}(idx, apiCfg)
}
wg.Wait()
return isContinue
}
func (c *client) initApiCfg(apiCfg *RequestConfigGroupItem) {
if apiCfg.FailBehavior == nil {
apiCfg.FailBehavior = &RequestConfigGroupItemFailBehavior{
Action: FailBehaviorError, // 默认失败终止请求
FinalFailure: true, // 默认一旦失败,则争个整个失败
}
}
if apiCfg.FailBehavior.Action == FailBehaviorError {
// 配置了请求失败则报错, 一定是导致结果最终失败
apiCfg.FailBehavior.FinalFailure = true
}
// 每一个请求有独立的context
apiCfg.RequestCfg.Ctx = context.WithValue(c.reqCfg.Ctx, "alias", apiCfg.Alias)
}