const INTERVAL_CUSTOMERS = 12.00 // Generate new customers roughly every x minites
const SERVICE_TIME = 12.0
const MIN_PATIENCE = 1 // Min. customer patience
const MAX_PATIENCE = 3 // Max. customer patience
// random generator for the arrival interval - expovariate distribution
var arrivalGen *godes.ExpDistr = godes.NewExpDistr()
// random generator for the patience time time - uniform distribution
var patienceGen *godes.UniformDistr = godes.NewUniformDistr()
// random generator for the service time - expovariate distribution
var serviceGen *godes.ExpDistr = godes.NewExpDistr()
// true when Counter
var counterAvailable *godes.BooleanControl = godes.NewBooleanControl()
type Customer struct {
*godes.Runner
name int
}
func (customer *Customer) Run() {
arrivalTime := godes.GetSystemTime()
patience := patienceGen.Get(MIN_PATIENCE, MAX_PATIENCE)
fmt.Printf(" %6.3f Customer %v : Here I am My patience=%6.3f \n", godes.GetSystemTime(), customer.name, patience)
counterAvailable.WaitAndTimeout(true, patience)
if !counterAvailable.GetState() {
fmt.Printf(" %6.3f Customer %v : RENEGED after %6.3f \n", godes.GetSystemTime(), customer.name, godes.GetSystemTime()-arrivalTime)
const PT_SIGMA = 2.0 // Sigma of processing time
const MTTF = 300.0 // Mean time to failure in minutes
const REPAIR_TIME = 30.0 // Time it takes to repair a machine in minutes
const REPAIR_TIME_SIGMA = 1.0 // Sigma of repair time
const NUM_MACHINES = 10
const SHUT_DOWN_TIME = 4 * 7 * 24 * 60
// random generator for the processing time - normal distribution
var processingGen *godes.NormalDistr = godes.NewNormalDistr()
// random generator for the time until the next failure for a machine - exponential distribution
var breaksGen *godes.ExpDistr = godes.NewExpDistr()
// true when repairman is available for carrying a repair
var repairManAvailableSwt *godes.BooleanControl = godes.NewBooleanControl()
type Machine struct {
*godes.Runner
partsCount int
number int
}
func (machine *Machine) Run() {
for {
godes.Advance(processingGen.Get(PT_MEAN, PT_SIGMA))
machine.partsCount = machine.partsCount + 1
if godes.GetSystemTime() > SHUT_DOWN_TIME {
break
}
}
// Copyright 2013 Alex Goussiatiner. All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"godes"
)
// the arrival and service are two random number generators for the uniform distribution
var arrival *godes.UniformDistr = godes.NewUniformDistr()
var service *godes.UniformDistr = godes.NewUniformDistr()
// true when waiter should act
var waitersSwt *godes.BooleanControl = godes.NewBooleanControl()
// FIFO Queue for the arrived
var visitorArrivalQueue *godes.FIFOQueue = godes.NewFIFOQueue("arrivalQueue")
// the Visitor is a Passive Object
type Visitor struct {
id int
}
// the Waiter is a Runner
type Waiter struct {
*godes.Runner
id int
}
// Copyright 2013 Alex Goussiatiner. All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"godes"
)
// the arrival and service are two random number generators for the uniform distribution
var arrival *godes.UniformDistr = godes.NewUniformDistr()
var service *godes.UniformDistr = godes.NewUniformDistr()
// tableBusy is the boolean control variable than can be accessed and changed by number of Runners
var tableBusy *godes.BooleanControl = godes.NewBooleanControl()
// the Visitor is a Runner
// any type of the Runner should be defined as struct // with the *godes.Runner as anonimous field
type Visitor struct {
*godes.Runner
number int
}
var visitorsCount int = 0
func (vst Visitor) Run() { // Any runner should have the Run method
fmt.Printf("%-6.3f \t Visitor %v arrives \n", godes.GetSystemTime(), vst.number)
tableBusy.Wait(false) // this will wait till the tableBusy control becomes false
tableBusy.Set(true) // sets the tableBusy control to true - the table is busy
fmt.Printf("%-6.3f \t Visitor %v gets the table \n", godes.GetSystemTime(), vst.number)