chirpnest/job.go
2019-06-04 06:18:26 +08:00

385 lines
12 KiB
Go

package main
import (
"encoding/json"
"fmt"
"strconv"
"time"
)
func createJob(jobTypeID int32, priority int32, userID64 int64, schedule time.Time, payload []byte) (int64, error) {
stmt, err := db.Prepare(`INSERT INTO obj (obj_type_id, obj_sub_type_id)
VALUES (? , ?);`)
logOnError(err, "createJob : prepare insert obj")
if err != nil {
return 0, err
}
defer stmt.Close()
res, err := stmt.Exec(objTypeJob, jobTypeID)
s := fmt.Sprintf("createJob, insert obj(%d, %d)", objTypeJob, jobTypeID)
logOnError(err, s)
if err != nil {
return 0, err
}
objId, err := res.LastInsertId()
logOnError(err, "createJob : get last insert Id")
if err != nil {
return 0, err
}
stmt, err = db.Prepare(`INSERT INTO obj_job (obj_id, priority, user_id, status, seq_nr, schedule, is_done, in_work, inserted, pulled, started, ended, payload)
VALUES (?, ?, ?, ?, NULL, ?, 0, 0, ?, NULL, NULL, NULL, ?);`)
logOnError(err, "createJob : prepare insert obj_job")
if err != nil {
return 0, err
}
defer stmt.Close()
_, err = stmt.Exec(objId, priority, userID64, objJobStatusNew, schedule, time.Now(), payload)
logOnError(err, "createJob : insert obj_job")
if err != nil {
return 0, err
}
return objId, nil
}
func setJobDone(jobId int64) error {
stmt, err := db.Prepare(`UPDATE obj_job j SET j.is_done = 1, j.in_work = 0, j.ended = ? WHERE j.obj_id = ?;`)
logOnError(err, "setJobDone : prepare update obj_job")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(time.Now(), jobId)
s := fmt.Sprintf("setJobDone, update obj_job(%d)", jobId)
logOnError(err, s)
if err != nil {
return err
}
return nil
}
func setJobStart(jobId int64) error {
stmt, err := db.Prepare(`UPDATE obj_job j SET j.started = coalesce(j.started, ?) WHERE j.obj_id = ?;`)
logOnError(err, "setJobStart : prepare update obj_job")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(time.Now(), jobId)
s := fmt.Sprintf("setJobStart, update obj_job(%d)", jobId)
logOnError(err, s)
if err != nil {
return err
}
return nil
}
func rescheduleJob(jobID64 int64, status int32, schedule time.Time) error {
stmt, err := db.Prepare(`UPDATE obj_job j SET j.is_done = 0, j.in_work = 0, j.schedule = ?, j.status = ? WHERE j.obj_id = ?;`)
logOnError(err, "rescheduleJob : prepare update obj_job")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(schedule, status, jobID64)
s := fmt.Sprintf("rescheduleJob, update obj_job(%d)", jobID64)
logOnError(err, s)
if err != nil {
return err
}
return nil
}
func loadCurrentJobs() ([]Job, error) {
var (
objId int64
jobTypeId int32
userID64 int64
status int32
payload []byte
jobs []Job
)
t := time.Now()
r := RndInt64()
_, err := db.Exec("UPDATE obj_job j SET j.pulled = ?, j.in_work = 1, j.seq_nr = ? WHERE j.is_done = 0 AND j.in_work = 0 AND j.schedule <= ? ORDER BY j.priority ASC, j.obj_id ASC LIMIT ?;", t, r, t, SQLJobSliceSize)
logOnError(err, "loadCurrentJobs : update intial rows")
stmt, err := db.Prepare("SELECT o.id, o.obj_sub_type_id, j.status, j.user_id, j.payload FROM obj_job j, obj o WHERE j.obj_id = o.id AND j.is_done = 0 AND j.in_work = 1 AND j.seq_nr = ? ORDER BY j.priority ASC, j.obj_id ASC;")
logOnError(err, "loadCurrentJobs : prepare select statement")
rows, err := stmt.Query(r)
// rows, err := stmt.Query(time.Now())
logOnError(err, "loadCurrentJobs : query select statement")
for rows.Next() {
err = rows.Scan(&objId, &jobTypeId, &status, &userID64, &payload)
logOnError(err, "loadCurrentJobs : scan query rows")
job := Job{
ID64: objId,
JobTypeID: jobTypeId,
Status: status,
UserID64: userID64,
Payload: payload,
}
jobs = append(jobs, job)
}
err = rows.Err()
logOnError(err, "loadCurrentJobs : scan end rows")
rows.Close()
err = stmt.Close()
logOnError(err, "loadCurrentJobs : close select statement")
return jobs, nil
}
func jobRescan(j Job) {
var r JobPayloadRescanMsg
err := setJobStart(j.ID64)
logOnError(err, "jobRescan : setJobStart")
err = json.Unmarshal(j.Payload, &r)
logOnError(err, "jobRescan : Unmarshal payload")
start := time.Now()
ids := getSQLListID64(r.Query)
if len(ids) > 1 {
for _, id := range ids {
SQLMsgIdentifyQueue <- id
}
p := JobPayloadSetDone{
JobID64: j.ID64,
MsgID64: r.MsgID64,
ChatID64: r.ChatID64,
Text: fmt.Sprintf("%d messages processed in %s.", len(ids), time.Since(start)),
}
b, _ := json.Marshal(p)
_, err := createJob(objSubTypeJobSetJobDone, objJobPriorityRescanAllMsg, j.UserID64, time.Now(), b)
logOnError(err, "jobRescan : createJob(objSubTypeJobSetJobDone)")
} else if len(ids) == 1 {
SQLMsgIdentifyQueue <- ids[0]
err = setJobDone(j.ID64)
logOnError(err, "jobRescan : setJobDone(1)")
if r.MsgID64 != 0 || r.ChatID64 != 0 {
m := TGCommand{
Type: commandReplyMsg,
Text: "One message processed.",
FromMsgID64: r.MsgID64,
FromChatID64: r.ChatID64,
}
TGCmdQueue <- m
}
} else {
err = setJobDone(j.ID64)
logOnError(err, "jobRescan : setJobDone(0)")
if r.MsgID64 != 0 || r.ChatID64 != 0 {
m := TGCommand{
Type: commandReplyMsg,
Text: "No message processed.",
FromMsgID64: r.MsgID64,
FromChatID64: r.ChatID64,
}
TGCmdQueue <- m
}
}
return
}
func jobSetDone(j Job) {
var r JobPayloadSetDone
err := setJobStart(j.ID64)
logOnError(err, "jobSetDone : setJobStart")
err = json.Unmarshal(j.Payload, &r)
logOnError(err, "jobSetDone : Unmarshal payload")
err = setJobDone(r.JobID64)
logOnError(err, "jobSetDone : setJobDone(child)")
err = setJobDone(j.ID64)
logOnError(err, "jobSetDone : setJobDone")
m := TGCommand{
Type: commandReplyMsg,
Text: r.Text,
FromMsgID64: r.MsgID64,
FromChatID64: r.ChatID64,
}
TGCmdQueue <- m
return
}
func jobPillage(j Job) {
var r JobPayloadPillage
err := setJobStart(j.ID64)
logOnError(err, "jobPillage : setJobStart")
err = json.Unmarshal(j.Payload, &r)
logOnError(err, "jobPillage : Unmarshal payload")
// check if we have a acknoledgment of go or a timeout within 3m30 of the PillageInc from the Job
ids := getSQLListID64(` select ox.id
from obj ox
,obj_msg omx
,obj op
,obj_msg omp
,obj_job oj
where oj.obj_id = ` + strconv.FormatInt(j.ID64, 10) + `
and omx.user_id = oj.user_id
and omx.sender_user_id = ` + strconv.Itoa(userID64ChtWrsBot) + `
and omx.obj_id = ox.id
and ox.obj_sub_type_id in (` + strconv.Itoa(objSubTypeMessagePillageGo) +
`, ` + strconv.Itoa(objSubTypeMessagePillageTimeout) +
`, ` + strconv.Itoa(objSubTypeMessagePillageLoss) +
`, ` + strconv.Itoa(objSubTypeMessagePillageWin) + `)
and op.id = ` + strconv.FormatInt(r.ObjID64, 10) + `
and omp.obj_id = op.id
and omx.date between omp.date and addtime(omp.date, '0 0:3:30.000000')
order by case ox.obj_sub_type_id when ` + strconv.Itoa(objSubTypeMessagePillageWin) + ` then 0
when ` + strconv.Itoa(objSubTypeMessagePillageLoss) + ` then 1
when ` + strconv.Itoa(objSubTypeMessagePillageTimeout) + ` then 2
when ` + strconv.Itoa(objSubTypeMessagePillageGo) + ` then 3
else 4 end asc
limit 1;`)
if len(ids) > 1 { // issue there ?
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("More than one outcome for pillage #%d", r.ObjID64),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if len(ids) == 1 { // we've got a match, job is done whether we prevented the pillage or not
m, err := getMsg(ids[0])
logOnError(err, "jobPillage : getMsg(objSubTypeMessagePillageGo, objSubTypeMessagePillageTimeout)")
if err == nil {
if m.Date.Add(60 * time.Second).After(time.Now()) {
msgTypeID64, err := getObjSubTypeId(ids[0])
logOnError(err, "jobPillage : getObjSubTypeId")
if err == nil {
if msgTypeID64 == objSubTypeMessagePillageGo {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We avoided a pillage (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if msgTypeID64 == objSubTypeMessagePillageWin {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We avoided a pillage (%s))", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if msgTypeID64 == objSubTypeMessagePillageLoss {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We got pillaged (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if msgTypeID64 == objSubTypeMessagePillageTimeout {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We got pillaged (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We don't know what happened (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
}
}
}
}
err = setJobDone(j.ID64)
logOnError(err, "jobSetDone : setJobDone")
return
}
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("No outcome for the pillage yet"),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
//no outcome yet, have we sent a "/go" in the last 30 sec ?
ids = getSQLListID64(` select ox.id
from obj ox
,obj_msg omx
,obj_job oj
where oj.obj_id = ` + strconv.FormatInt(j.ID64, 10) + `
and omx.user_id = oj.user_id
and omx.sender_user_id = oj.user_id
and omx.obj_id = ox.id
and ox.obj_sub_type_id =` + strconv.Itoa(objSubTypeMessageGo) + `
and omx.date between addtime(oj.schedule, '-30') and oj.schedule;`)
if len(ids) > 0 { // we did, so we reschedule the job to check the outcome and wait
m, err := getMsg(ids[0])
logOnError(err, "jobPillage : getMsg(objSubTypeMessageGo)")
if err == nil {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We started intercepting the pillage (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
}
err = rescheduleJob(j.ID64, j.Status+1, time.Now().Add(30*time.Second))
logOnError(err, "jobPillage : rescheduleJob(objSubTypeMessageGo)")
} else { //no /go in the last 30 sec so we go ahead, send one and reschedule to check again in 25sec
clientSendCWMsg(j.UserID64, "/go")
err = rescheduleJob(j.ID64, j.Status+1, time.Now().Add(30*time.Second))
logOnError(err, "jobPillage : rescheduleJob")
}
return
}
func jobMsgClient(j Job) {
var p JobPayloadMsgClient
err := setJobStart(j.ID64)
logOnError(err, "jobMsgClient : setJobStart")
err = json.Unmarshal(j.Payload, &p)
logOnError(err, "jobMsgClient : Unmarshal payload")
if err == nil {
clientSendCWMsg(j.UserID64, p.Text)
m := TGCommand{
Type: commandReplyMsg,
Text: "Message sent.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
}
err = setJobDone(j.ID64)
logOnError(err, "joMsgClient : setJobDone")
return
}