85 lines
1.5 KiB
Plaintext
85 lines
1.5 KiB
Plaintext
########################################
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#
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# BARRIER-RELATED FUNCTIONS
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#
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########################################
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#
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# Constants
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#
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BARRIER_TIMEOUT = 200 # in steps
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BARRIER_VSTIG = 80
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timeW = 0
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barrier = nil
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#
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# Sets a barrier
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#
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function barrier_create() {
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# reset
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timeW = 0
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# create barrier vstig
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#log("---> Prev. br. ", barrier, " ", BARRIER_VSTIG)
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if(barrier!=nil) {
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barrier=nil
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BARRIER_VSTIG = BARRIER_VSTIG +1
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}
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#log("---> New. br. ", barrier, " ", BARRIER_VSTIG)
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barrier = stigmergy.create(BARRIER_VSTIG)
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}
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function barrier_set(threshold, transf, resumef, bdt) {
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statef = function() {
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barrier_wait(threshold, transf, resumef, bdt);
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}
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UAVSTATE = "BARRIERWAIT"
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barrier_create()
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}
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#
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# Make yourself ready
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#
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function barrier_ready() {
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log("BARRIER READY -------")
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barrier.put(id, 1)
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barrier.put("d", 0)
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}
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#
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# Executes the barrier
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#
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function barrier_wait(threshold, transf, resumef, bdt) {
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barrier.put(id, 1)
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barrier.get(id)
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#log("----->BS: ", barrier.size())
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if(barrier.size() - 1 >= threshold or barrier.get("d") == 1) {
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barrier.put("d", 1)
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timeW = 0
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transf()
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} else if(timeW >= BARRIER_TIMEOUT) {
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log("------> Barrier Timeout !!!!")
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timeW = 0
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resumef()
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}
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if(bdt!=-1)
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neighbors.broadcast("cmd", bdt)
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timeW = timeW+1
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}
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# get the lowest id of the fleet, but requires too much bandwidth...
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function getlowest(){
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Lid = 15;
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u=15
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while(u>=0){
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tab = barrier.get(u)
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if(tab!=nil){
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if(tab<Lid)
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Lid=tab
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}
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u=u-1
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}
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log("--> LOWEST ID:",Lid)
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} |