// StartMasterRetrieval starts a timed retrieval of servers specified by a given
// filter from the Steam Master server after an initial delay of initialDelay
// seconds. It retrieves the list every timeBetweenQueries seconds thereafter.
// A bool can be sent to the stop channel to cancel all timed retrievals.
func StartMasterRetrieval(stop chan bool, filter filters.Filter,
initialDelay int, timeBetweenQueries int) {
retrticker := time.NewTicker(time.Duration(timeBetweenQueries) * time.Second)
logger.WriteDebug(
"Waiting %d seconds before grabbing %s servers. Will retrieve servers every %d secs afterwards.", initialDelay, filter.Game.Name, timeBetweenQueries)
logger.LogAppInfo(
"Waiting %d seconds before grabbing %s servers from master. Will retrieve every %d secs afterwards.", initialDelay, filter.Game.Name, timeBetweenQueries)
firstretrieval := time.NewTimer(time.Duration(initialDelay) * time.Second)
<-firstretrieval.C
logger.WriteDebug("Starting first retrieval of %s servers from master.",
filter.Game.Name)
sl, err := retrieve(filter)
if err != nil {
logger.LogAppErrorf("Error when performing timed master retrieval: %s", err)
}
models.MasterList = sl
for {
select {
case <-retrticker.C:
go func(filters.Filter) {
logger.WriteDebug("%s: Starting %s master server query", time.Now().Format(
"Mon Jan 2 15:04:05 2006 EST"), filter.Game.Name)
logger.LogAppInfo("%s: Starting %s master server query", time.Now().Format(
"Mon Jan 2 15:04:05 2006 EST"), filter.Game.Name)
sl, err := retrieve(filter)
if err != nil {
logger.LogAppErrorf("Error when performing timed master retrieval: %s",
err)
}
models.MasterList = sl
}(filter)
case <-stop:
retrticker.Stop()
return
}
}
}
// Start listening for and responding to HTTP requests via the web server. Panics
// if unable to start.
func Start(runSilent bool) {
r := newRouter()
if !runSilent {
printStartInfo()
}
logger.LogAppInfo("Starting HTTP server on port %d",
config.Config.WebConfig.APIWebPort)
srv := http.Server{
Addr: fmt.Sprintf(":%d", config.Config.WebConfig.APIWebPort),
Handler: r,
ReadTimeout: 30 * time.Second,
WriteTimeout: 30 * time.Second,
MaxHeaderBytes: 1 << 20}
err := srv.ListenAndServe()
if err != nil {
logger.LogAppError(err)
panic(fmt.Sprintf("Unable to start HTTP server, error: %s\n", err))
}
}
func buildServerList(data a2sData, addtoServerDB bool) (*models.APIServerList,
error) {
// Cannot ignore all three requests
for _, g := range data.HostsGames {
if g.IgnoreInfo && g.IgnorePlayers && g.IgnoreRules {
return nil, logger.LogAppErrorf("Cannot ignore all three A2S_ requests!")
}
}
successcount := 0
var success bool
srvDBhosts := make(map[string]string, len(data.HostsGames))
sl := &models.APIServerList{
Servers: make([]models.APIServer, 0),
FailedServers: make([]string, 0),
}
for host, game := range data.HostsGames {
info, iok := data.Info[host]
players, pok := data.Players[host]
if players == nil {
// return empty array instead of nil pointers (null) in json
players = make([]models.SteamPlayerInfo, 0)
}
rules, rok := data.Rules[host]
success = iok && rok && pok
if game.IgnoreInfo {
success = pok && rok
}
if game.IgnorePlayers {
success = iok && rok
}
if game.IgnoreRules {
rules = make(map[string]string, 0)
success = iok && pok
}
if game.IgnoreInfo && game.IgnorePlayers {
success = rok
}
if game.IgnoreInfo && game.IgnoreRules {
success = pok
}
if game.IgnorePlayers && game.IgnoreRules {
success = iok
}
if success {
srv := models.APIServer{
Game: game.Name,
Players: players,
FilteredPlayers: removeBuggedPlayers(players),
Rules: rules,
Info: info,
}
// Gametype support: gametype can be found in rules, info, or not
// at all depending on the game (currently just for QuakeLive & Reflex)
srv.Info.GameTypeShort, srv.Info.GameTypeFull = getGameType(game, srv)
ip, port, serr := net.SplitHostPort(host)
if serr == nil {
srv.IP = ip
srv.Host = host
p, perr := strconv.Atoi(port)
if perr == nil {
srv.Port = p
}
if !strings.EqualFold(game.Name, filters.GameUnspecified.String()) {
srvDBhosts[host] = game.Name
}
loc := make(chan models.DbCountry, 1)
go db.CountryDB.GetCountryInfo(loc, ip)
srv.CountryInfo = <-loc
}
sl.Servers = append(sl.Servers, srv)
successcount++
} else {
sl.FailedServers = append(sl.FailedServers, host)
}
}
sl.RetrievedAt = time.Now().Format("Mon Jan 2 15:04:05 2006 EST")
sl.RetrievedTimeStamp = time.Now().Unix()
sl.ServerCount = len(sl.Servers)
sl.FailedCount = len(sl.FailedServers)
if len(srvDBhosts) != 0 {
go db.ServerDB.AddServersToDB(srvDBhosts)
sl.Servers = setServerIDsForList(sl.Servers)
}
logger.LogAppInfo(
"Successfully queried (%d/%d) servers. %d timed out or otherwise failed.",
successcount, len(data.HostsGames), sl.FailedCount)
logger.WriteDebug("Server Queries: Successful: (%d/%d) servers\tFailed: %d servers",
successcount, len(data.HostsGames), sl.FailedCount)
return sl, nil
}
