rogueserver/db/db.go

117 lines
3.0 KiB
Go

/*
Copyright (C) 2024 Pagefault Games
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package db
import (
"database/sql"
"encoding/hex"
"fmt"
_ "github.com/go-sql-driver/mysql"
"log"
"os"
)
var handle *sql.DB
func Init(username, password, protocol, address, database string) error {
var err error
handle, err = sql.Open("mysql", username+":"+password+"@"+protocol+"("+address+")/"+database)
if err != nil {
return fmt.Errorf("failed to open database connection: %s", err)
}
handle.SetMaxOpenConns(1000)
tx, err := handle.Begin()
if err != nil {
panic(err)
}
tx.Exec("CREATE TABLE IF NOT EXISTS systemSaveData (uuid BINARY(16) PRIMARY KEY, data LONGBLOB, timestamp TIMESTAMP)")
tx.Exec("CREATE TABLE IF NOT EXISTS sessionSaveData (uuid BINARY(16), slot TINYINT, data LONGBLOB, timestamp TIMESTAMP, PRIMARY KEY (uuid, slot))")
err = tx.Commit()
if err != nil {
panic(err)
}
// TODO temp code
entries, err := os.ReadDir("userdata")
if err != nil {
log.Fatalln(err)
return nil
}
for _, entry := range entries {
if !entry.IsDir() {
continue
}
uuidString := entry.Name()
uuid, err := hex.DecodeString(uuidString)
if err != nil {
log.Printf("failed to decode uuid: %s", err)
continue
}
// store new system data
systemData, err := LegacyReadSystemSaveData(uuid)
if err != nil {
log.Printf("failed to read system save data for %v: %s", uuidString, err)
continue
}
err = StoreSystemSaveData(uuid, systemData)
if err != nil {
log.Fatalf("failed to store system save data for %v: %s\n", uuidString, err)
continue
}
// delete old system data
err = os.Remove("userdata/" + uuidString + "/system.pzs")
if err != nil {
log.Fatalf("failed to remove legacy system save data for %v: %s", uuidString, err)
}
for i := 0; i < 5; i++ {
sessionData, err := LegacyReadSessionSaveData(uuid, i)
if err != nil {
log.Printf("failed to read session save data %v for %v: %s", i, uuidString, err)
continue
}
// store new session data
err = StoreSessionSaveData(uuid, sessionData, i)
if err != nil {
log.Fatalf("failed to store session save data for %v: %s\n", uuidString, err)
}
// delete old session data
filename := "session"
if i != 0 {
filename += fmt.Sprintf("%d", i)
}
err = os.Remove(fmt.Sprintf("userdata/%s/%s.pzs", uuidString, filename))
if err != nil {
log.Fatalf("failed to remove legacy session save data %v for %v: %s", i, uuidString, err)
}
}
}
return nil
}