Files
acc-server-manager/local/service/server.go
Fran Jurmanović 1f41f6003b update logging
2025-05-29 00:21:32 +02:00

257 lines
7.3 KiB
Go

package service
import (
"acc-server-manager/local/model"
"acc-server-manager/local/repository"
"acc-server-manager/local/utl/tracking"
"context"
"log"
"path/filepath"
"sync"
"time"
"github.com/gofiber/fiber/v2"
)
type ServerService struct {
repository *repository.ServerRepository
stateHistoryRepo *repository.StateHistoryRepository
apiService *ApiService
instances sync.Map
configService *ConfigService
lastInsertTimes sync.Map // Track last insert time per server
debouncers sync.Map // Track debounce timers per server
logTailers sync.Map // Track log tailers per server
sessionCache sync.Map // Cache of server event sessions
}
type pendingState struct {
timer *time.Timer
state *model.ServerState
}
func (s *ServerService) ensureLogTailing(server *model.Server, instance *tracking.AccServerInstance) {
// Check if we already have a tailer
if _, exists := s.logTailers.Load(server.ID); exists {
return
}
// Start tailing in a goroutine that handles file creation/deletion
go func() {
logPath := filepath.Join(server.ConfigPath, "\\server\\log\\server.log")
tailer := tracking.NewLogTailer(logPath, instance.HandleLogLine)
s.logTailers.Store(server.ID, tailer)
// Start tailing and automatically handle file changes
tailer.Start()
}()
}
func NewServerService(repository *repository.ServerRepository, stateHistoryRepo *repository.StateHistoryRepository, apiService *ApiService, configService *ConfigService) *ServerService {
service := &ServerService{
repository: repository,
apiService: apiService,
configService: configService,
stateHistoryRepo: stateHistoryRepo,
}
// Initialize instances for all servers
servers, err := repository.GetAll(context.Background(), &model.ServerFilter{})
if err != nil {
log.Print(err.Error())
return service
}
for _, server := range *servers {
// Initialize instance regardless of status
service.StartAccServerRuntime(&server)
}
return service
}
func (s *ServerService) shouldInsertStateHistory(serverID uint) bool {
insertInterval := 5 * time.Minute // Configure this as needed
lastInsertInterface, exists := s.lastInsertTimes.Load(serverID)
if !exists {
s.lastInsertTimes.Store(serverID, time.Now().UTC())
return true
}
lastInsert := lastInsertInterface.(time.Time)
now := time.Now().UTC()
if now.Sub(lastInsert) >= insertInterval {
s.lastInsertTimes.Store(serverID, now)
return true
}
return false
}
func (s *ServerService) insertStateHistory(serverID uint, state *model.ServerState) {
s.stateHistoryRepo.Insert(context.Background(), &model.StateHistory{
ServerID: serverID,
Session: state.Session,
PlayerCount: state.PlayerCount,
DateCreated: time.Now().UTC(),
SessionDurationMinutes: state.SessionDurationMinutes,
})
}
func (s *ServerService) updateSessionDuration(server *model.Server, sessionType string) {
sessionsInterface, exists := s.sessionCache.Load(server.ID)
if !exists {
// Try to load sessions from config
event, err := DecodeFileName(EventJson)(server.ConfigPath)
if err != nil {
log.Printf("Failed to load event config for server %d: %v", server.ID, err)
return
}
evt := event.(model.EventConfig)
s.sessionCache.Store(server.ID, evt.Sessions)
sessionsInterface = evt.Sessions
}
sessions := sessionsInterface.([]model.Session)
if (sessionType == "" && len(sessions) > 0) {
sessionType = sessions[0].SessionType
}
for _, session := range sessions {
if session.SessionType == sessionType {
if instance, ok := s.instances.Load(server.ID); ok {
serverInstance := instance.(*tracking.AccServerInstance)
serverInstance.State.SessionDurationMinutes = session.SessionDurationMinutes.ToInt()
serverInstance.State.Session = sessionType
}
break
}
}
}
func (s *ServerService) handleStateChange(server *model.Server, state *model.ServerState) {
// Update session duration when session changes
s.updateSessionDuration(server, state.Session)
// Cancel existing timer if any
if debouncer, exists := s.debouncers.Load(server.ID); exists {
pending := debouncer.(*pendingState)
pending.timer.Stop()
}
// Create new timer
timer := time.NewTimer(5 * time.Minute)
s.debouncers.Store(server.ID, &pendingState{
timer: timer,
state: state,
})
// Start goroutine to handle the delayed insert
go func() {
<-timer.C
if debouncer, exists := s.debouncers.Load(server.ID); exists {
pending := debouncer.(*pendingState)
s.insertStateHistory(server.ID, pending.state)
s.debouncers.Delete(server.ID)
}
}()
// If enough time has passed since last insert, insert immediately
if s.shouldInsertStateHistory(server.ID) {
s.insertStateHistory(server.ID, state)
}
}
func (s *ServerService) StartAccServerRuntime(server *model.Server) {
// Get or create instance
instanceInterface, exists := s.instances.Load(server.ID)
var instance *tracking.AccServerInstance
if !exists {
instance = tracking.NewAccServerInstance(server, func(state *model.ServerState, states ...tracking.StateChange) {
s.handleStateChange(server, state)
})
s.instances.Store(server.ID, instance)
} else {
instance = instanceInterface.(*tracking.AccServerInstance)
}
config, _ := DecodeFileName(ConfigurationJson)(server.ConfigPath)
cfg := config.(model.Configuration)
event, _ := DecodeFileName(EventJson)(server.ConfigPath)
evt := event.(model.EventConfig)
instance.State.MaxConnections = cfg.MaxConnections.ToInt()
instance.State.Track = evt.Track
// Cache sessions for duration lookup
s.sessionCache.Store(server.ID, evt.Sessions)
s.updateSessionDuration(server, instance.State.Session)
// Ensure log tailing is running (regardless of server status)
s.ensureLogTailing(server, instance)
}
// GetAll
// Gets All rows from Server table.
//
// Args:
// context.Context: Application context
// Returns:
// string: Application version
func (as ServerService) GetAll(ctx *fiber.Ctx, filter *model.ServerFilter) (*[]model.Server, error) {
servers, err := as.repository.GetAll(ctx.UserContext(), filter)
if err != nil {
return nil, err
}
for i, server := range *servers {
status, err := as.apiService.StatusServer(server.ServiceName)
if err != nil {
log.Print(err.Error())
}
(*servers)[i].Status = model.ParseServiceStatus(status)
instance, ok := as.instances.Load(server.ID)
if !ok {
log.Print("Unable to retrieve instance for server of ID: ", server.ID)
} else {
serverInstance := instance.(*tracking.AccServerInstance)
if (serverInstance.State != nil) {
(*servers)[i].State = *serverInstance.State
}
}
}
return servers, nil
}
// GetById
// Gets rows by ID from Server table.
//
// Args:
// context.Context: Application context
// Returns:
// string: Application version
func (as ServerService) GetById(ctx *fiber.Ctx, serverID int) (*model.Server, error) {
server, err := as.repository.GetByID(ctx.UserContext(), serverID)
if err != nil {
return nil, err
}
status, err := as.apiService.StatusServer(server.ServiceName)
if err != nil {
log.Print(err.Error())
}
server.Status = model.ParseServiceStatus(status)
instance, ok := as.instances.Load(server.ID)
if !ok {
log.Print("Unable to retrieve instance for server of ID: ", server.ID)
} else {
serverInstance := instance.(*tracking.AccServerInstance)
if (serverInstance.State != nil) {
server.State = *serverInstance.State
}
}
return server, nil
}