func main() {
// Print a nice separator at the end of execution so that 'make fancyrun' looks good
defer fmt.Println("-------------------")
// Initialize globals
processing = false
complete = make(chan bool)
// Begin listening on the port passed on the command line
listener := easynet.HostWithAddress(os.Args[1])
defer listener.Close()
// Set up a TCP connection to the master
connectionToMaster := easynet.Accept(listener)
defer connectionToMaster.Close()
// Read configuration from the connection to master
config = new(ttypes.CoordConfig)
easynet.ReceiveJson(connectionToMaster, config)
respondingToRequestsFor = 0
infoQueue = make([][]ttypes.BotInfo, 1, config.NumTurns)
// Confirm configuration
connectionToMaster.Write([]uint8("connected"))
// Set up bots and connect to adjacent coordinators
setupAll(listener)
// Remember to terminate all child processes upon termination of this process
defer killChildren()
// Close all connections when program terminates
for _, conn := range adjsServe {
defer conn.Close()
}
// Confirm setup
connectionToMaster.Write([]uint8("setup complete"))
fmt.Printf("%d sees data at start as: \n%v\n grid: %v\n", config.Identifier, botInfosForNeighbor(0), config.Terrain)
// Transition to both listening states
go listenForMaster(connectionToMaster)
go listenForPeer()
// Wait for those loops to exit
<-complete
<-complete
fmt.Printf("%d sees data at end as: \n%v\n grid: %v\n", config.Identifier, botInfosForNeighbor(0), config.Terrain)
// Confirm termination
finalTally := new(ttypes.Finish)
for _, s := range botStates {
if !s.Dead() {
finalTally.NumBots += 1
}
}
easynet.SendJson(connectionToMaster, finalTally)
}
func main() {
fmt.Printf("testbot launched on %s\n", os.Args[0])
listener := easynet.HostWithAddress(os.Args[0])
defer listener.Close()
conn := easynet.Accept(listener)
defer conn.Close()
conn.Write([]uint8("bot setup complete " + os.Args[0]))
listenForMoveRequests(conn)
}
// Set up incoming and outgoing TCP connections to all adjacent coordinators
func connectToAdjacents(listener *net.TCPListener) chan bool {
adjsServe = make(CoordMap, len(config.AdjacentCoords))
adjsRequest = make(CoordMap, len(config.AdjacentCoords))
listenServe = make(chan []uint8)
serveFound := make(chan int)
requestFound := make(chan int)
allDone := make(chan bool)
go func() {
for _, adj := range config.AdjacentCoords {
go func() {
adjsRequest[adj.Identifier] = easynet.Dial(adj.Address)
adjsRequest[adj.Identifier].Write([]uint8(strconv.Itoa(config.Identifier)))
requestFound <- adj.Identifier
}()
go func() {
newConn := easynet.Accept(listener)
identifier, err := strconv.Atoi(string(easynet.ReceiveFrom(newConn)))
easynet.DieIfError(err, "String conversion error")
adjsServe[identifier] = newConn
easynet.TieConnToChannel(newConn, listenServe)
serveFound <- identifier
}()
}
for i := 0; i < len(config.AdjacentCoords); i++ {
<-requestFound
<-serveFound
}
fmt.Printf("%d is connected to all neighbors\n", config.Identifier)
allDone <- true
}()
return allDone
}
