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server.go
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server.go
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package republique
import (
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"time"
"github.com/sirupsen/logrus"
"github.com/steveoc64/republique5/db"
rp "github.com/steveoc64/republique5/proto"
)
// Server object stores the whole game state
type Server struct {
sync.RWMutex
log *logrus.Logger
version string
filename string
port int
web int
game *rp.Game
db *db.DB
stopWatch int64
tokenCache map[string]*rp.Player
mTokenCache sync.RWMutex
}
// NewServer returns a new republique server
func NewServer(log *logrus.Logger, version string, filename string, port int, web int) (*Server, error) {
// load the DB
if !strings.HasSuffix(filename, ".db") {
filename = filename + ".db"
}
db, err := db.OpenDB(log, filename)
if err != nil {
return nil, err
}
gameData := &rp.Game{}
err = db.Load("game", "state", gameData)
if err != nil {
return nil, err
}
gameData.InitGameState()
return &Server{
log: log,
version: version,
filename: filename,
port: port,
web: web,
game: gameData,
db: db,
tokenCache: NewTokenCache(gameData),
}, nil
}
// Serve runs a game
func (s *Server) Serve() {
s.log.WithFields(logrus.Fields{
"version": s.version,
"port": s.port,
"web": s.web,
"filename": s.filename,
}).Println("Starting Republique 5.0 Server")
s.log.SetFormatter(&logrus.JSONFormatter{})
// Write the game state to the gamestate file
s.writeRunFile()
// Setup REST endpoints, but only if we want web with it
if s.web != 0 {
go s.rpcProxy()
}
// Load GPPC endpoints
s.grpcRun()
}
// Save saves the game state to the DB
func (s *Server) Save() {
s.db.Save("game", "state", s.game)
}
// Close closes the DB - needed when you quit
func (s *Server) Close() {
s.db.Close()
}
func (s *Server) writeRunFile() error {
filename := s.filename
if strings.HasSuffix(filename, ".db") {
filename = filename[:len(filename)-3]
}
savename := filepath.Join(os.Getenv("HOME"), ".republique", filename+".run")
fp, err := os.Create(savename)
if err != nil {
return err
}
fmt.Fprintf(fp, "pid:%d\nturn:%d\nphase:%d\ntime:%s\nname:%s\ntable:%dx%d\nadmin:%s\n",
os.Getpid(),
s.game.TurnNumber,
s.game.Phase,
time.Now().String(),
s.game.Name,
s.game.TableX, s.game.TableY,
s.game.AdminAccess,
)
for _, team := range s.game.Scenario.GetTeams() {
for i, player := range team.GetPlayers() {
fmt.Fprintf(fp, "%s-%d:%s:%s\n", team.Name, i+1, team.AccessCode, player.AccessCode)
}
}
fp.Close()
return nil
}