// each event in the system is generated in this function
func generateEvent(oldev *warp.Event) *warp.Event {
var mitt int
var dest int
var id int32
var t warp.Time
if oldev == nil {
mitt = int(randGen.RandIntUniform(0, int32(entitynum)))
t = 0 // basetime
} else {
mitt = oldev.Type.To
t = oldev.Time // basetime
}
dest = int(randGen.RandIntUniform(0, int32(entitynum-1)))
for mitt == dest {
dest = int(randGen.RandIntUniform(0, int32(entitynum-1)))
}
id = idcount
idcount++
t += warp.Time(randGen.RandIntExponential())
e := warp.CreateEvent(id, t, warp.Info{mitt, dest, 0})
return e
}
func initPhold(nlp int, nent int) {
var rdErr error
var line string
var str []string = make([]string, 2)
file, err := os.Open(conf)
if err != nil {
fmt.Println("GO-WARP, error opening the PHOLD configuration file:", err)
os.Exit(1)
}
rd := bufio.NewReader(file)
stop := false
for i := 0; rdErr == nil; i++ {
line, rdErr = rd.ReadString('\n')
if len(line) > 0 {
str = strings.SplitN(line, "#", 2)
num := strings.Replace(str[0], "\t", "", -1)
num = strings.Replace(num, " ", "", -1)
if i == 0 {
var err error
density, err = strconv.ParseFloat(num, 64)
if err != nil {
fmt.Printf("line %v: error parsing float %v: %v", i, num, err)
stop = true
break
}
} else if i == 1 {
t, err := strconv.Atoi(num)
if err != nil {
fmt.Printf("line %v: error parsing int %v: %v", i, num, err)
stop = true
break
}
endtime = warp.Time(t)
} else if i == 2 {
nFPops, err = strconv.Atoi(num)
if err != nil {
fmt.Printf("line %v: error parsing int %v: %v", i, num, err)
stop = true
break
}
}
}
}
if stop {
fmt.Println("GO-WARP: config file parse error.")
os.Exit(1)
}
fmt.Println("GO-WARP: read from file:", density, endtime, nFPops)
lpnum = nlp
entitynum = nent
n_events = int(float64(nent) * density)
randGen = lcg16807.RandInit(int64(lpnum + entitynum))
idcount = 0
initEv = make([]warp.Event, n_events)
warp.SimSetup(lpnum, endtime, ProcessEvent)
for i := 0; i < n_events; i++ {
e := generateEvent(nil)
initEv[i] = *e
}
simterm = false
n_term = 0
}