34 lines
793 B
Go
34 lines
793 B
Go
package main
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import (
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"encoding/json"
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"log"
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"net/http"
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)
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// index for stats handle
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func statsIndexHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case http.MethodGet:
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getCacheStatsHandler(w, r)
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default:
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w.WriteHeader(http.StatusMethodNotAllowed)
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}
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})
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}
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// returns the cache's statistics.
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func getCacheStatsHandler(w http.ResponseWriter, r *http.Request) {
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target, err := json.Marshal(cache.Stats())
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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log.Printf("cannot marshal cache stats. error: %s", err)
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return
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}
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// since we're sending a struct, make it easy for consumers to interface.
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.Write(target)
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return
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}
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