56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package simulation
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import (
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"encoding/json"
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"fmt"
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"io"
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"os"
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)
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// EventStats defines an object that keeps a tally of each event that has occurred
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// during a simulation.
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type EventStats map[string]map[string]map[string]int
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// NewEventStats creates a new empty EventStats object
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func NewEventStats() EventStats {
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return make(EventStats)
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}
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// Tally increases the count of a simulation event.
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func (es EventStats) Tally(route, op, evResult string) {
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_, ok := es[route]
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if !ok {
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es[route] = make(map[string]map[string]int)
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}
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_, ok = es[route][op]
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if !ok {
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es[route][op] = make(map[string]int)
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}
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es[route][op][evResult]++
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}
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// Print the event stats in JSON format.
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func (es EventStats) Print(w io.Writer) {
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obj, err := json.MarshalIndent(es, "", " ")
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if err != nil {
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panic(err)
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}
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fmt.Fprintln(w, string(obj))
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}
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// ExportJSON saves the event stats as a JSON file on a given path
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func (es EventStats) ExportJSON(path string) {
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bz, err := json.MarshalIndent(es, "", " ")
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if err != nil {
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panic(err)
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}
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err = os.WriteFile(path, bz, 0600)
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if err != nil {
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panic(err)
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}
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}
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