chirpnest/workers.go

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"math/rand"
	"strconv"
	"strings"
	"time"

	"github.com/streadway/amqp"
	tb "gopkg.in/tucnak/telebot.v2"
)

func MQGetMsgWorker(id int, msgs chan<- ChatWarsMessage) {
	//log.Printf("MQGetMsgWorker[" + strconv.Itoa(id) + "] : Starting.")
	var err error
	c := MQClient{
		User:     cfg.Rabbit.User,
		Password: cfg.Rabbit.Password,
		Host:     cfg.Rabbit.Host,
		Path:     cfg.Rabbit.Path,
		SSL:      false,
	}

	for true {
		c.Connection, err = amqp.Dial("amqp://" + c.User + ":" + c.Password + "@" + c.Host + "/" + c.Path)
		logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Cannot open MQ connection")
		if err != nil {
			//c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		c.Channel, err = c.Connection.Channel()
		logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Cannot open MQ channel")
		if err != nil {
			c.Channel.Close()
			c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		c.Queue, err = c.Channel.QueueDeclare(
			"msg", // name
			false, // durable
			false, // delete when unused
			false, // exclusive
			false, // no-wait
			nil,   // arguments
		)
		logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Failed to declare a queue")
		if err != nil {
			c.Channel.Close()
			c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		m, err := c.Channel.Consume(
			c.Queue.Name, // queue
			"",           // consumer
			true,         // auto-ack
			false,        // exclusive
			false,        // no-local
			false,        // no-wait
			nil,          // args
		)
		logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Failed to register a consumer")
		if err != nil {
			c.Channel.Close()
			c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		for d := range m {
			var x ChatWarsMessage
			//log.Printf("MQGetMsgWorker["+strconv.Itoa(id)+"] : Received a message: %s", string(d.Body))
			err = json.Unmarshal(d.Body, &x)
			logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Can't unmarshal.\n"+string(d.Body))
			if err == nil {
				msgs <- x
			}
		}

		c.Channel.Close()
		c.Connection.Close()

	}

	log.Printf("MQGetMsgWorker[" + strconv.Itoa(id) + "] : Closing.")

}

func MQKeepAliveWorker() {
	//log.Printf("MQKeepAliveWorker : Starting.")
	var err error
	c := MQClient{
		User:     cfg.Rabbit.User,
		Password: cfg.Rabbit.Password,
		Host:     cfg.Rabbit.Host,
		Path:     cfg.Rabbit.Path,
		SSL:      false,
	}

	for true {
		c.Connection, err = amqp.Dial("amqp://" + c.User + ":" + c.Password + "@" + c.Host + "/" + c.Path)
		logOnError(err, "MQKeepAliveWorker : Cannot open MQ connection")
		if err != nil {
			time.Sleep(15 * time.Second)
			continue
		}

		c.Channel, err = c.Connection.Channel()
		logOnError(err, "MQKeepAliveWorker : Cannot open MQ channel")
		if err != nil {
			c.Channel.Close()
			c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		c.Queue, err = c.Channel.QueueDeclare(
			"keepalive", // name
			false,       // durable
			false,       // delete when unused
			false,       // exclusive
			false,       // no-wait
			nil,         // arguments
		)
		logOnError(err, "MQKeepAliveWorker : Failed to declare a queue")
		if err != nil {
			c.Channel.Close()
			c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		m, err := c.Channel.Consume(
			c.Queue.Name, // queue
			"",           // consumer
			true,         // auto-ack
			false,        // exclusive
			false,        // no-local
			false,        // no-wait
			nil,          // args
		)
		logOnError(err, "MQKeepAliveWorker] : Failed to register a consumer")
		if err != nil {
			c.Channel.Close()
			c.Connection.Close()
			time.Sleep(15 * time.Second)
			continue
		}

		for d := range m {
			x := MQKeepAlive{}
			err = json.Unmarshal(d.Body, &x)
			logOnError(err, "MQKeepAliveWorker : Can't unmarshal.\n"+string(d.Body))
			if err == nil {
				//log.Printf("MQKeepAliveWorker : Received message from %s (%d).\n", x.Nickname, x.TGUserID64)
				if x.Date.Add(10 * time.Second).Before(time.Now()) {
					// outdated keep-alive coming from client
				} else if clt, ok := getLockedClient(x.TGUserID64, true); ok {
					clt.HeartBeat = x.Date
					if clt.Active {
						//log.Printf("MQKeepAliveWorker : Client %s (%d) already active.\n", clt.Login, clt.TGUserID64)
						clt.Mux.Unlock()
					} else {
						clt.Login = x.Nickname
						//log.Printf("MQKeepAliveWorker : Connecting to %s (%d).\n", clt.Login, clt.TGUserID64)
						clt.MQ.User = cfg.Rabbit.User
						clt.MQ.Password = cfg.Rabbit.Password
						clt.MQ.Host = cfg.Rabbit.Host
						clt.MQ.Path = x.Queue
						clt.MQ.SSL = false
						clt.MQ.Connection, err = amqp.Dial("amqp://" + clt.MQ.User + ":" + clt.MQ.Password + "@" + clt.MQ.Host + "/" + clt.MQ.Path)
						logOnError(err, "MQKeepAliveWorker : Failed to connect to RabbitMQ")
						if err != nil {
							clt.MQ.Connection.Close()
						} else {
							clt.MQ.Channel, err = clt.MQ.Connection.Channel()
							logOnError(err, "MQKeepAliveWorker : Failed to open a channel")
							if err != nil {
								clt.MQ.Channel.Close()
								clt.MQ.Connection.Close()
							} else {
								clt.MQ.Queue, err = clt.MQ.Channel.QueueDeclare(
									"msg", // name
									false, // durable
									false, // delete when unused
									false, // exclusive
									false, // no-wait
									nil,   // arguments
								)
								logOnError(err, "MQKeepAliveWorker : Failed to declare a queue")
								if err != nil {
									clt.MQ.Channel.Close()
									clt.MQ.Connection.Close()
								} else {
									clt.Active = true
									//log.Printf("MQKeepAliveWorker : Connected to %s.\n", x.Nickname)
								}
							}
						}
						clt.Mux.Unlock()
						if clt.Active {
							c := TGCommand{
								Type:       commandSendMsg,
								ToUserID64: x.TGUserID64,
								Text:       "Your client is connected.",
							}
							TGCmdQueue <- c
							c = TGCommand{
								Type:       commandSendMsg,
								ToUserID64: cfg.Bot.Admin,
								Text:       fmt.Sprintf("Client `%s` is connected.", x.Nickname),
							}
							TGCmdQueue <- c

							clientSendCWMsg(x.TGUserID64, `🏅Me`)
						} else {
							c := TGCommand{
								Type:       commandSendMsg,
								ToUserID64: cfg.Bot.Admin,
								Text:       fmt.Sprintf("Cannot connect to client `%s`.", x.Nickname),
							}
							TGCmdQueue <- c
						}
					}
				}
			}
		}
		c.Channel.Close()
		c.Connection.Close()
	}

	log.Printf("MQKeepAliveWorker : Closing.")

}

func MQTGCmdWorker(id int, cmds <-chan TGCommand) {
	//log.Printf("MQTGCmdWorker[" + strconv.Itoa(id) + "] : Starting.")
	for c := range cmds {
		if clt, ok := getLockedClient(c.FromUserID64, false); ok {
			j, err := json.Marshal(c)
			logOnError(err, "MQTGCmdWorker["+strconv.Itoa(id)+"] : Marshal(c)")
			//log.Printf("MQTGCmdWorker["+strconv.Itoa(id)+"] : new command.\n%s\n", string(j))
			for clt.MQ.Connection.IsClosed() {
				clt.Active = false
				log.Printf("MQTGCmdWorker : Resetting MQ connection for #%d.\n", c.FromUserID64)
				clt.MQ.Connection, err = amqp.Dial("amqp://" + clt.MQ.User + ":" + clt.MQ.Password + "@" + clt.MQ.Host + "/" + clt.MQ.Path)
				logOnError(err, "MQTGCmdWorker : Cannot open MQ connection")
				if err != nil {
					clt.MQ.Connection.Close()
					time.Sleep(15 * time.Second)
					continue
				}

				clt.MQ.Channel, err = clt.MQ.Connection.Channel()
				logOnError(err, "MQTGCmdWorker : Cannot open MQ channel")
				if err != nil {
					clt.MQ.Channel.Close()
					clt.MQ.Connection.Close()
					time.Sleep(15 * time.Second)
					continue
				}

				clt.MQ.Queue, err = clt.MQ.Channel.QueueDeclare(
					"msg", // name
					false, // durable
					false, // delete when unused
					false, // exclusive
					false, // no-wait
					nil,   // arguments
				)
				logOnError(err, "MQTGCmdWorker : Failed to declare a queue")
				if err != nil {
					clt.MQ.Channel.Close()
					clt.MQ.Connection.Close()
					time.Sleep(15 * time.Second)
					continue
				}

			}
			err = clt.MQ.Channel.Publish(
				"",                // exchange
				clt.MQ.Queue.Name, // routing key
				false,             // mandatory
				false,             // immediate
				amqp.Publishing{
					ContentType: "application/json",
					Body:        []byte(j),
				})
			logOnError(err, "MQTGCmdWorker["+strconv.Itoa(id)+"] : Publishing message.")
			//log.Printf("MQTGCmdWorker[" + strconv.Itoa(id) + "] : Message published.")
			clt.Mux.Unlock()
		} else {
			log.Printf("MQTGCmdWorker["+strconv.Itoa(id)+"] : client %d offline.\n", c.FromUserID64)
		}
	}

	log.Printf("MQTGCmdWorker[" + strconv.Itoa(id) + "] : Closing.")

}

func SQLCWMsgWorker(id int, msgs <-chan ChatWarsMessage, objIds chan<- int64) {
	//log.Printf("SQLCWMsgWorker[" + strconv.Itoa(id) + "] : Starting.")
	for m := range msgs {
		objId, err := addObjMsg(m.ID64, m.ChatID64, m.TGUserID64, m.TGSenderUserID64, m.Date, m.Text)
		logOnError(err, "SQLCWMsgWorker["+strconv.Itoa(id)+"] : Inserting message.")
		if err == nil && objId != 0 {
			// log.Printf("SQLCWMsgWorker["+strconv.Itoa(id)+"] : Message inserted (%d).\n", objId)
			objIds <- objId
		} else {
			log.Printf("SQLCWMsgWorker["+strconv.Itoa(id)+"] : Message in error\n%s\n", m.Text)
		}
	}

	log.Printf("SQLCWMsgWorker[" + strconv.Itoa(id) + "] : Closing.")

}

func SQLIdentifyMsgWorker(id int, objIds <-chan int64) {
	//log.Printf("SQLIdentifyMsgWorker[" + strconv.Itoa(id) + "] : Starting.")
	for objId := range objIds {
		m, err := getObjMsg(objId)
		logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Retrieving message.")
		if err == nil {
			//log.Printf("SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Message retrieved (%d)\n%s\n", objId, m.Text)
			rule, err := getMsgParsingRule(m)
			if err != nil {
				//logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : msgRegex.")
				log.Printf("SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Message unidentified (%d)\n%s\n", objId, m.Text)
			} else {
				err = setObjSubTypeId(objId, rule.MsgTypeID)
				logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : setObjSubTypeId")
				switch rule.MsgTypeID {
				case objSubTypeMessageGRolesReq:
				case objSubTypeMessageGo:
				case objSubTypeMessageReportReq:
				case objSubTypeMessageGReportReq:
				case objSubTypeMessageHeroReq:
				case objSubTypeMessageMeReq:
				case objSubTypeMessageInventoryReq:
				case objSubTypeMessageTimeReq:
				case objSubTypeMessagePledge:
				case objSubTypeMessagePillageGo:
				case objSubTypeMessagePillageTimeout:
				case objSubTypeMessagePillageWin:
				case objSubTypeMessagePillageLoss:
				case objSubTypeMessageGoQuest:
				case objSubTypeMessageGoFastFight:
				case objSubTypeMessageGoArena:
				case objSubTypeMessageTop:
				case objSubTypeMessageMenu:
				case objSubTypeMessageBuyReq:
				case objSubTypeMessageSellReq:
				case objSubTypeMessageOrderbookReq:
				case objSubTypeMessageWithdrawReq:
				case objSubTypeMessageWithdrawCode:
				case objSubTypeMessageWithdrawRcv:
				case objSubTypeMessageStockReq:
				case objSubTypeMessageMiscReq:
				case objSubTypeMessageGStockResReq:
				case objSubTypeMessageGStockAlchReq:
				case objSubTypeMessageGStockMiscReq:
				case objSubTypeMessageGStockRecReq:
				case objSubTypeMessageGStockPartReq:
				case objSubTypeMessageGStockOthReq:
				case objSubTypeMessageGStockAnyAck:
					_, err := parseSubTypeMessageGStockAnyAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageGStockAnyAck.")
				case objSubTypeMessageReportAck:
					cwm, err := parseSubTypeMessageReportAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageReportAck.")
					cwm.ObjID64 = objId
				case objSubTypeMessageMiniWar:
					cwm, err := parseSubTypeMessageMiniWar(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageMiniWar.")
					cwm.ObjID64 = objId
					err = insertMsgMiniWar(cwm)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : insertMsgMiniWar")
				case objSubTypeMessagePillageInc:
					cwm, err := parseSubTypeMessagePillageInc(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessagePillageInc.")
					cwm.ObjID64 = objId
					err = insertMsgPillageInc(cwm)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : insertMsgPillageInc")
					// only catch live pillages
					if m.Date.Add(3 * time.Minute).After(time.Now()) {
						s := TGCommand{
							Type:       commandSendMsg,
							Text:       fmt.Sprintf("Catching pillage (%s)", m.Date.Format(time.RFC3339)),
							ToUserID64: m.TGUserID64,
						}
						TGCmdQueue <- s
						p := JobPayloadPillage{
							ObjID64: objId,
							Date:    m.Date,
						}
						b, _ := json.Marshal(&p)
						_, err = createJob(objSubTypeJobPillage, objJobPriority, m.TGUserID64, m.ObjID64, m.Date.Add(time.Duration(25+rand.Intn(35))*time.Second), b)
						logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : createJob(JobPillage)")
					}
				case objSubTypeMessageMeAck:
					cwm, err := parseSubTypeMessageMeAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageMeAck.")
					clientMsgMeAck(cwm)
					_, err = addObjXP(cwm.CWUserID64, cwm.ExpNow, cwm.ExpLvl, cwm.Level, m.Date)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : addObjXP(MeAck)")
				case objSubTypeMessageGoQuestAck:
					cwm, err := parseSubTypeMessageGoQuestAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageGoQuestAck.")
					uid, err := clientGetCWUserID64(m.TGUserID64)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Retrieving UserID64.")
					if err != nil {
						err = setObjSubTypeId(objId, objSubTypeMessageUnknown)
					} else {
						clientMsgGoQuestAck(cwm)
						_, err = addObjQuest(uid, cwm.QuestTypeID, cwm.Duration, m.Date.UTC())
					}
				case objSubTypeMessageDuelFight:
					cwm, err := parseSubTypeMessageDuelFight(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageDuelFight.")
					cwm.ObjID64 = objId
					err = insertMsgDuelFight(cwm)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : insertMsgDuelFight")
				case objSubTypeMessageUnionWar:
					_, err := parseSubTypeMessageUnionWar(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageUnionWar.")
				case objSubTypeMessageGRolesAck:
					cwm, err := parseSubTypeMessageGRolesAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageGRolesAck.")
					clientMsgGRolesAck(cwm)
				case objSubTypeMessageAuctionAnnounce:
					cwm, err := parseSubTypeMessageAuctionAnnounce(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageAuctionAnnounce.")
					cwm.ObjID64 = objId
					err = insertMsgAuctionAnnounce(cwm)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : insertMsgAuctionAnnounce")
					if cwm.End.After(time.Now().UTC()) || strings.Compare(cwm.Status, `#active`) == 0 {
						p := JobPayloadMsgRefresh{
							ObjID64: m.ObjID64,
						}
						b, _ := json.Marshal(&p)
						_, err = createJob(objSubTypeJobMsgRefresh, objJobPriority, m.TGUserID64, m.ObjID64, cwm.End.Add(5*time.Minute).UTC(), b)

						/* hack for autobid - FIXME */
						if cwm.Price == 0 && cwm.ItemID64 == getObjItemID(`k05`, `Hunter blade`) {
							clientSendCWMsg(cfg.Bot.Admin, fmt.Sprintf("/bet_%d_1", cwm.LotID))
						}
					}
				case objSubTypeMessageTimeAck:
					_, err := fromChatWarsDate(rule.re.ReplaceAllString(m.Text, "${Day}") + " " + rule.re.ReplaceAllString(m.Text, "${Month}") + " " + rule.re.ReplaceAllString(m.Text, "${Year}") + " " + rule.re.ReplaceAllString(m.Text, "${Hour}") + ":" + rule.re.ReplaceAllString(m.Text, "${Minute}"))
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : fromChatWarsDate")
				case objSubTypeMessageOrderbookAck:
					_, err := parseSubTypeMessageOrderbookAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageOrderbookAck.")
				case objSubTypeMessageStockAck:
					_, err := parseSubTypeMessageStockAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageStockAck.")
				case objSubTypeMessageGDepositReq:
					_, err := parseSubTypeMessageGDepositReq(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageGDepositReq.")
				case objSubTypeMessageGDepositAck:
					_, err := parseSubTypeMessageGDepositAck(m, rule.re)
					logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Parsing objSubTypeMessageGDepositAck.")
				default:
					//log.Printf("SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : Unknwon message type in rule %d : %d (%d)\n%s\n", msgParsingRules[i].ID, msgParsingRules[i].MsgTypeID, objId, m.Text)
				}
				muxCallbacks.Lock()
				if mc1, mok1 := callbacks[m.TGUserID64]; mok1 {
					if mc2, mok2 := mc1[rule.MsgTypeID]; mok2 {
						for j := range mc2 {
							err := rescheduleJob(mc2[j], m.ObjID64, time.Now().UTC())
							logOnError(err, "SQLIdentifyMsgWorker["+strconv.Itoa(id)+"] : callbacks triggering")
						}
						mc1[rule.MsgTypeID] = nil
					}
				}
				muxCallbacks.Unlock()
			}
		}
	}
	log.Printf("SQLIdentifyMsgWorker[" + strconv.Itoa(id) + "] : Closing.")
}

func SQLJobWorker() {
	//log.Printf("SQLJobWorker : Starting.")
	for true {
		jobs, err := loadCurrentJobs()
		logOnError(err, "SQLJobWorker : loadCurrentJobs")
		/*
			if len(jobs) > 0 {
				log.Printf("SQLJobWorker : %d jobs.\n", len(jobs))
			}
		*/
		if err == nil {
			for _, j := range jobs {
				JobQueue <- j
			}
			if len(jobs) < SQLJobSliceSize {
				time.Sleep(100 * time.Millisecond)
			}
		} else {
			time.Sleep(1 * time.Second)
		}
	}
	log.Printf("SQLJobWorker : Closing.")
}

func JobWorker(id int, jobs <-chan Job) {
	//log.Printf("jobWorker[" + strconv.Itoa(id) + "] : Starting.")
	// FIXME : discard timed out jobs
	for j := range jobs {
		//log.Printf("JobWorker[%d] : Starting job %d (timeout : %s).\n", id, j.ID64, j.Timeout.Format(time.RFC3339))
		if time.Now().UTC().Before(j.Timeout) {
			switch j.JobTypeID {
			case objSubTypeJobRescanMsg:
				jobRescan(j)
			case objSubTypeJobSetJobDone:
				jobSetDone(j)
			case objSubTypeJobPillage:
				jobPillage(j)
			case objSubTypeJobMsgClient:
				jobMsgClient(j)
			case objSubTypeJobMsgRefresh:
				jobMsgRefresh(j)
			case objSubTypeJobBackupExport:
				jobBackupExport(j)
			case objSubTypeJobBackupImport:
				jobBackupImport(j)
			case objSubTypeJobGStock:
				jobGStock(j)
			case objSubTypeJobGDeposit:
				jobGDeposit(j)
			case objSubTypeJobGDepositForward:
				jobGDepositForward(j)
			default:
				log.Printf("jobWorker["+strconv.Itoa(id)+"] : No handler for job type #%d.\n", j.JobTypeID)
			}
		} else {
			log.Printf("JobWorker[%d] : Job %d timed out.\n", id, j.ID64)
			setJobDone(j.ID64)
		}
	}
	log.Printf("jobWorker[" + strconv.Itoa(id) + "] : Closing.")
}

func TGCmdWorker(id int, b *tb.Bot, cmds <-chan TGCommand) {
	//log.Printf("TGCmdWorker[" + strconv.Itoa(id) + "] : Starting.")
	for c := range cmds {
		//j, err := json.Marshal(c)
		//logOnError(err, "TGCmdWorker["+strconv.Itoa(id)+"] : Marshal(c)")
		//log.Printf("TGCmdWorker["+strconv.Itoa(id)+"] : new command.\n%s\n", string(j))
		opt := tb.SendOptions{}
		switch c.ParseMode {
		case cmdParseModePlain:
			opt.ParseMode = tb.ModeDefault
		case cmdParseModeMarkDown:
			opt.ParseMode = tb.ModeMarkdown
		case cmdParseModeHTML:
			opt.ParseMode = tb.ModeHTML
		default:
			opt.ParseMode = tb.ModeDefault
		}
		switch c.Type {
		case commandSendMsg:
			if c.ToChatID64 != 0 {
				ch := tb.Chat{
					ID: c.ToChatID64,
				}
				_, err := b.Send(&ch, c.Text, &opt)
				logOnError(err, "TGCmdWorker["+strconv.Itoa(id)+"] : SendMsg Chat")
			} else if c.ToUserID64 != 0 {
				u := tb.User{
					ID: int(c.ToUserID64),
				}
				_, err := b.Send(&u, c.Text, &opt)
				logOnError(err, "TGCmdWorker["+strconv.Itoa(id)+"] : SendMsg User")
			}
		case commandReplyMsg:
			ch := tb.Chat{
				ID: c.FromChatID64,
			}
			m := tb.Message{
				ID:   int(c.FromMsgID64),
				Chat: &ch,
			}
			_, err := b.Reply(&m, c.Text, &opt)
			logOnError(err, "TGCmdWorker["+strconv.Itoa(id)+"] : ReplyMsg")
		case commandSendDocument:
			if c.ToChatID64 != 0 {
				ch := tb.Chat{
					ID: c.ToChatID64,
				}
				d := c.Document
				_, err := b.Send(&ch, &d)
				//_, err := c.Document.Send(b, ch, nil)
				logOnError(err, "TGCmdWorker["+strconv.Itoa(id)+"] : SendDocument Chat")
			} else if c.ToUserID64 != 0 {
				u := tb.User{
					ID: int(c.ToUserID64),
				}
				d := c.Document
				_, err := b.Send(&u, &d)
				//_, err := c.Document.Send(b, &ch, nil)
				logOnError(err, "TGCmdWorker["+strconv.Itoa(id)+"] : SendDocument Chat")
			}
		default:
			log.Printf("TGCmdWorker[" + strconv.Itoa(id) + "] : Unknown command.\n")
		}

	}
	log.Printf("TGCmdWorker[" + strconv.Itoa(id) + "] : Closing.")
}

func MQTidyKeepAliveWorker() {
	//log.Printf("MQTidyKeepAliveWorker : Starting.")
	for true {
		t := time.Now()
		muxClients.Lock()
		for id, clt := range clients {
			clt.Mux.Lock()
			if clt.Active && clt.HeartBeat.Add(3*KeepAliveHeartBeatSeconds*time.Second).Before(time.Now()) {
				msgs, err := clt.MQ.Channel.QueuePurge(clt.MQ.Queue.Name, false)
				logOnError(err, "MQTidyKeepAliveWorker : Channel.QueuePurge()")
				err = clt.MQ.Channel.Close()
				logOnError(err, "MQTidyKeepAliveWorker : Channel.Close()")
				err = clt.MQ.Connection.Close()
				logOnError(err, "MQTidyKeepAliveWorker : Connection.Close()")
				cmd := TGCommand{
					Type:       commandSendMsg,
					ToUserID64: id,
					Text:       "Timeout, purging and closing command queue.",
				}
				TGCmdQueue <- cmd
				cmd = TGCommand{
					Type:       commandSendMsg,
					ToUserID64: cfg.Bot.Admin,
					Text:       fmt.Sprintf("Client %s timed out (%d messages purged).", clt.Login, msgs),
				}
				TGCmdQueue <- cmd
				clt.Active = false
			} else if clt.Active {
				//log.Printf("MQTidyKeepAliveWorker : Client %s is active.\n", clt.Login)
			} else {
				//log.Printf("MQTidyKeepAliveWorker : Client %s is inactive.\n", clt.Login)
			}
			clt.Mux.Unlock()
		}
		muxClients.Unlock()
		time.Sleep(time.Until(t.Add(time.Second)))
	}
	log.Printf("MQTidyKeepAliveWorker : Closing.")
}