http请求支持预热接口数据并缓存 #1

Merged
zhangdeman merged 3 commits from feature/preheat_cache into master 2024-10-09 19:06:14 +08:00
3 changed files with 78 additions and 1 deletions

12
cache/ICache.go vendored
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@ -51,4 +51,16 @@ type ICache interface {
//
// Date : 16:46 2024/6/3
SetValue(cacheKey string, cacheValue string) error
// TTL 缓存剩余生命周期(单位: s)
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:39 2024/10/9
TTL(cacheKey string) int64
// PreHeatConfig 缓存预热配置
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:42 2024/10/9
PreHeatConfig() *define.CachePreHeatConfig
}

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@ -148,9 +148,54 @@ func (hc *HttpClient) Request() *define.Response {
)
if cacheResult = hc.getCacheResult(); nil != cacheResult {
// 判断是否开启预热
inputCachePreHeatConfig := hc.cacheInstance.PreHeatConfig()
var cachePreHeatConfig define.CachePreHeatConfig
serialize.JSON.TransitionIgnoreError(inputCachePreHeatConfig, &cachePreHeatConfig)
if !cachePreHeatConfig.Enable || (cachePreHeatConfig.MinTTL <= 0 && cachePreHeatConfig.MinPercent <= 0 && !cachePreHeatConfig.Force) {
// 无预热配置或未启用预热或者未设置预热规则
return cacheResult
}
go func() {
// 判断是否触发预热
if cachePreHeatConfig.Force {
_ = hc.requestBackendApi()
return
}
// 将百分比的配置归一化成最小剩余时间的配置
if cachePreHeatConfig.MinPercent > 0 {
expectMinTTL := hc.cacheInstance.CacheTime() * cachePreHeatConfig.MinPercent / 100
if cachePreHeatConfig.MinTTL == 0 || cachePreHeatConfig.MinTTL > expectMinTTL {
cachePreHeatConfig.MinTTL = expectMinTTL
}
}
if cachePreHeatConfig.MinTTL <= 0 {
// 未配置最小剩余时间
return
}
ttl := hc.cacheInstance.TTL(cacheResult.CacheInfo.CacheKey)
if ttl < 0 {
// 不存在或者未设置有效期
return
}
if ttl <= cachePreHeatConfig.MinTTL {
// 配置了最小剩余时间,并且key剩余有效期小于最小剩余时间
_ = hc.requestBackendApi()
}
}()
}
return hc.requestBackendApi()
}
// requestBackendApi 请求后端接口
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:47 2024/10/9
func (hc *HttpClient) requestBackendApi() *define.Response {
hc.Client.OnBeforeRequest(hc.getRequestValidateMiddleware()) // 请求参数验证中间件必注册
hc.Client.OnAfterResponse(hc.getResponseValidateMiddleware()) // 响应验证中间件必注册
var (

20
define/cache.go Normal file
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@ -0,0 +1,20 @@
// Package define ...
//
// Description : define ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2024-10-09 18:39
package define
// CachePreHeatConfig 缓存预热配置, MinPercent / MinTTL 同时配置, 则任意一个满足, 均进行预热
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:40 2024/10/9
type CachePreHeatConfig struct {
Enable bool `json:"enable"` // 缓存预热是否可用
MinPercent int64 `json:"min_percent"` // 最小百分比, 剩余有效期低于此百分比进行预热
MinTTL int64 `json:"min_ttl"` // 最小剩余生命周期, 低于此百分比进行预热
Force bool `json:"force"` // 启用预热的情况下, 强制预热, 会忽略 MinPercent / MinTTL 的配置
}