规划mesh请求的框架结构, 细节待完善

httpclient/mesh/mesh.go

@@ -6,3 +6,109 @@
 //
 // 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)
+}