http请求支持预热接口数据并缓存 #1
35
client.go
35
client.go
@ -148,8 +148,43 @@ func (hc *HttpClient) Request() *define.Response {
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)
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if cacheResult = hc.getCacheResult(); nil != cacheResult {
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// 判断是否开启预热
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inputCachePreHeatConfig := hc.cacheInstance.PreHeatConfig()
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var cachePreHeatConfig define.CachePreHeatConfig
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serialize.JSON.TransitionIgnoreError(inputCachePreHeatConfig, &cachePreHeatConfig)
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if !cachePreHeatConfig.Enable || (cachePreHeatConfig.MinTTL <= 0 && cachePreHeatConfig.MinPercent <= 0 && !cachePreHeatConfig.Force) {
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// 无预热配置或未启用预热或者未设置预热规则
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return cacheResult
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}
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go func() {
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// 判断是否触发预热
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if cachePreHeatConfig.Force {
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_ = hc.requestBackendApi()
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return
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}
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// 将百分比的配置归一化成最小剩余时间的配置
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if cachePreHeatConfig.MinPercent > 0 {
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expectMinTTL := hc.cacheInstance.CacheTime() * cachePreHeatConfig.MinPercent / 100
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if cachePreHeatConfig.MinTTL == 0 || cachePreHeatConfig.MinTTL > expectMinTTL {
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cachePreHeatConfig.MinTTL = expectMinTTL
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}
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}
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if cachePreHeatConfig.MinTTL <= 0 {
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// 未配置最小剩余时间
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return
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}
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ttl := hc.cacheInstance.TTL(cacheResult.CacheInfo.CacheKey)
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if ttl < 0 {
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// 不存在或者未设置有效期
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return
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}
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if ttl <= cachePreHeatConfig.MinTTL {
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// 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
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_ = hc.requestBackendApi()
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}
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}()
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}
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return hc.requestBackendApi()
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@ -14,6 +14,7 @@ package define
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// Date : 18:40 2024/10/9
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type CachePreHeatConfig struct {
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Enable bool `json:"enable"` // 缓存预热是否可用
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MinPercent int `json:"min_percent"` // 最小百分比, 剩余有效期低于此百分比进行预热
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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
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MinTTL int64 `json:"min_ttl"` // 最小剩余生命周期, 低于此百分比进行预热
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Force bool `json:"force"` // 启用预热的情况下, 强制预热, 会忽略 MinPercent / MinTTL 的配置
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}
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