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| 1 | +package main |
| 2 | + |
| 3 | +/* |
| 4 | +# * EJERCICIO: |
| 5 | +# * Explora el concepto de "logging" en tu lenguaje. Configúralo y muestra |
| 6 | +# * un ejemplo con cada nivel de "severidad" disponible. |
| 7 | +# * |
| 8 | +# * DIFICULTAD EXTRA (opcional): |
| 9 | +# * Crea un programa ficticio de gestión de tareas que permita añadir, eliminar |
| 10 | +# * y listar dichas tareas. |
| 11 | +# * - Añadir: recibe nombre y descripción. |
| 12 | +# * - Eliminar: por nombre de la tarea. |
| 13 | +# * Implementa diferentes mensajes de log que muestren información según la |
| 14 | +# * tarea ejecutada (a tu elección). |
| 15 | +# * Utiliza el log para visualizar el tiempo de ejecución de cada tarea. |
| 16 | +# */ |
| 17 | + |
| 18 | +import ( |
| 19 | + "fmt" |
| 20 | + "log" |
| 21 | + "math/rand" |
| 22 | + "os" |
| 23 | + "time" |
| 24 | +) |
| 25 | + |
| 26 | +const ( |
| 27 | + DEBUG = iota |
| 28 | + INFO |
| 29 | + WARN |
| 30 | + ERROR |
| 31 | + CRITICAL |
| 32 | +) |
| 33 | + |
| 34 | +var loglevel = DEBUG |
| 35 | + |
| 36 | +func getLoggingMessage(level int, message string) { |
| 37 | + if level >= loglevel { |
| 38 | + switch level { |
| 39 | + case DEBUG: |
| 40 | + log.Println("DEBUG: ", message) |
| 41 | + case INFO: |
| 42 | + log.Println("INFO: ", message) |
| 43 | + case WARN: |
| 44 | + log.Println("WARN: ", message) |
| 45 | + case ERROR: |
| 46 | + log.Println("ERROR: ", message) |
| 47 | + case CRITICAL: |
| 48 | + log.Println("CRITICAL: ", message) |
| 49 | + |
| 50 | + } |
| 51 | + } |
| 52 | + |
| 53 | +} |
| 54 | + |
| 55 | +type TaskManager struct { |
| 56 | + tasks map[string]string |
| 57 | +} |
| 58 | + |
| 59 | +func (t *TaskManager) Create(name, desc string) { |
| 60 | + _, exist := t.tasks[name] |
| 61 | + if exist { |
| 62 | + getLoggingMessage(ERROR, fmt.Sprintf(" Task %v already created\n", name)) |
| 63 | + } else { |
| 64 | + t.tasks[name] = desc |
| 65 | + getLoggingMessage(INFO, fmt.Sprintf(" Task %v created succesfully\n", name)) |
| 66 | + } |
| 67 | + |
| 68 | +} |
| 69 | + |
| 70 | +func (t *TaskManager) Delete(name string) { |
| 71 | + _, exist := t.tasks[name] |
| 72 | + if !exist { |
| 73 | + getLoggingMessage(ERROR, fmt.Sprintf(" Task %v Not Found\n", name)) |
| 74 | + } else { |
| 75 | + delete(t.tasks, name) |
| 76 | + getLoggingMessage(INFO, fmt.Sprintf(" Task %v delete succesfully\n", name)) |
| 77 | + } |
| 78 | + |
| 79 | +} |
| 80 | + |
| 81 | +func (t *TaskManager) Display() { |
| 82 | + |
| 83 | + getLoggingMessage(INFO, fmt.Sprintf(" Task %v \n", t.tasks)) |
| 84 | +} |
| 85 | + |
| 86 | +func (t *TaskManager) Execute(name string) { |
| 87 | + _, exist := t.tasks[name] |
| 88 | + if exist { |
| 89 | + getLoggingMessage(INFO, fmt.Sprintf(" Task %v EXECUTING ... \n", name)) |
| 90 | + start := time.Now().Second() |
| 91 | + getLoggingMessage(DEBUG, fmt.Sprintf(" Task %v START TIME %v ... \n", name, start)) |
| 92 | + random_sleep := rand.Intn(10) |
| 93 | + time.Sleep((time.Second * time.Duration(random_sleep))) |
| 94 | + end := time.Now().Second() |
| 95 | + getLoggingMessage(DEBUG, fmt.Sprintf(" Task %v END TIME %v ... \n", name, end)) |
| 96 | + getLoggingMessage(DEBUG, fmt.Sprintf(" Task %v DURATION TIME %v ... \n", name, random_sleep)) |
| 97 | + getLoggingMessage(INFO, fmt.Sprintf(" Task %v DEAD ... \n", name)) |
| 98 | + } else { |
| 99 | + getLoggingMessage(CRITICAL, fmt.Sprintf(" Task %v NOT EXECUTED, CRITICAL PARAMETER, NUCLEAR WAR is comming... \n", name)) |
| 100 | + } |
| 101 | + |
| 102 | +} |
| 103 | + |
| 104 | +func main() { |
| 105 | + // log.Println("Error Normalito") |
| 106 | + |
| 107 | + // log.Panic("Error Panic") |
| 108 | + // log.Fatalln("Error Fatal") |
| 109 | + fmt.Println("Loggin in File (F) or Display (D)") |
| 110 | + var op string |
| 111 | + _, e := fmt.Scan(&op) |
| 112 | + if e != nil { |
| 113 | + log.Fatal(e) |
| 114 | + } |
| 115 | + if op == "F" { |
| 116 | + |
| 117 | + f, e := os.OpenFile("app.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666) |
| 118 | + if e != nil { |
| 119 | + getLoggingMessage(ERROR, "Message ERROR, opening log file") |
| 120 | + } |
| 121 | + defer f.Close() |
| 122 | + log.SetOutput(f) |
| 123 | + log.SetFlags(log.Ldate | log.Ltime) |
| 124 | + } |
| 125 | + |
| 126 | + getLoggingMessage(INFO, "Message INFO") |
| 127 | + getLoggingMessage(DEBUG, "Message DEBUG") |
| 128 | + getLoggingMessage(WARN, "Message WARNING") |
| 129 | + getLoggingMessage(ERROR, "Message ERROR") |
| 130 | + getLoggingMessage(CRITICAL, "Message CRITICAL") |
| 131 | + log.Println("Errores") |
| 132 | + |
| 133 | + // ?Extra |
| 134 | + task_task := TaskManager{map[string]string{}} |
| 135 | + task_task.Create("t1", "ggggg") |
| 136 | + task_task.Create("t1", "ggggg") |
| 137 | + task_task.Create("t2", "ggggg") |
| 138 | + task_task.Create("t3", "ggggg") |
| 139 | + task_task.Delete("tqq1") |
| 140 | + task_task.Delete("t1") |
| 141 | + task_task.Display() |
| 142 | + task_task.Execute("t1") |
| 143 | + task_task.Execute("t3") |
| 144 | + task_task.Execute("t4") |
| 145 | + task_task.Display() |
| 146 | + |
| 147 | +} |
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