Simple A2S player count collation.

global_bhop.go

package main

import (
	"time"
	"fmt"
	"github.com/rumblefrog/go-a2s"
)

var ips = [...]string{

	"27.100.36.6:27015",
	"146.185.214.33:27015",
	"144.48.37.118:27015",
	"144.48.37.114:27015",
	"148.251.11.171:1338",
	"31.186.250.236:27015",
	"31.186.250.4:27015",
	"136.243.94.194:27055",
	"136.243.94.194:27015",
	"148.251.79.234:42069",
	"144.76.225.235:27015",
	"148.251.11.171:27319",
	"95.172.92.222:27015",
	"95.217.200.57:27016",
	"95.217.200.57:27015",
	"78.46.80.174:27215",
	"124.18.10.119:11292",
	"60.111.209.149:27018",
	"46.174.52.164:27015",
	"212.76.128.170:27045",
	"46.174.50.224:27015",
	"31.186.250.15:27015",
	"82.12.239.145:27015",
	"74.201.72.19:27015",
	"162.248.92.17:27015",
	"74.91.119.208:27015",
	"92.38.148.25:27015",
	"34.75.123.120:27015",
	"162.248.92.42:27015",
	"74.91.126.160:27015",
	"74.201.72.19:27016",
	"192.223.24.34:27015",
	"74.91.113.126:27015",
	"72.5.195.96:27015",
}

type set struct {
	key string
	val int
}

func process(addr string, newCount chan<- set) {
	client, err := a2s.NewClient(addr, a2s.TimeoutOption(time.Second * 5))
	if err != nil {
		newCount <- set{addr, 0}
	} else {
		defer client.Close()
		info, err := client.QueryInfo()

		if err != nil {
			newCount <- set{addr, 0}
		} else {
			newCount <- set{addr, int(info.Players - info.Bots)}
		}
	}
}

func main() {
	newCount := make(chan set)
	getSum := make(chan chan int)

	go func() {
		servers := make(map[string]int)
		for _, addr := range ips {
			servers[addr] = 0
		}
		for {
			select {
				case set := <- newCount:
					servers[set.key] = set.val
				case resp := <- getSum:
					total := 0
					for k := range servers {
						total += servers[k]
					}
					resp <- total
			}
		}
	}()

	go func() {
		ticker := time.NewTicker(time.Second * 10)
		for ; true; <-ticker.C {
			for _, addr := range ips {
				go process(addr, newCount)
			}
		}
	}()

	go func() {
		ticker := time.NewTicker(time.Second * 1)
		for; true; <-ticker.C {
			sumThing := make(chan int)
			getSum <- sumThing
			fmt.Printf("total global players: %d\n", <-sumThing)
		}
	}()

	select {}
}