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Auto-delete clients when FB returns UNREGISTERED
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This commit is contained in:
Mike Schwörer
2024-09-16 20:11:28 +02:00
parent 7ddaf5d9aa
commit e329e13a02
19 changed files with 827 additions and 324 deletions
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193
scnserver/db/impl/requests/database.go
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@@ -13,15 +13,21 @@ import (
"github.com/glebarez/go-sqlite"
"github.com/jmoiron/sqlx"
"github.com/rs/zerolog/log"
"gogs.mikescher.com/BlackForestBytes/goext/exerr"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"gogs.mikescher.com/BlackForestBytes/goext/sq"
"os"
"path/filepath"
"time"
)
type Database struct {
db sq.DB
pp *dbtools.DBPreprocessor
wal bool
db sq.DB
pp *dbtools.DBPreprocessor
wal bool
name string
schemaVersion int
schema map[int]schema.Def
}
func NewRequestsDatabase(cfg server.Config) (*Database, error) {
@@ -66,7 +72,14 @@ func NewRequestsDatabase(cfg server.Config) (*Database, error) {
qqdb.AddListener(pp)
scndb := &Database{db: qqdb, pp: pp, wal: conf.Journal == "WAL"}
scndb := &Database{
db: qqdb,
pp: pp,
wal: conf.Journal == "WAL",
schemaVersion: schema.RequestsSchemaVersion,
schema: schema.RequestsSchema,
name: "requests",
}
return scndb, nil
}
@@ -99,57 +112,49 @@ func (db *Database) Migrate(outerctx context.Context) error {
return err
}
if currschema == 0 {
schemastr := schema.RequestsSchema[schema.RequestsSchemaVersion].SQL
schemahash := schema.RequestsSchema[schema.RequestsSchemaVersion].Hash
schemahash, err := sq.HashGoSqliteSchema(tctx, schemastr)
if err != nil {
return err
}
_, err = tx.Exec(tctx, schemastr, sq.PP{})
if err != nil {
return err
}
err = db.WriteMetaInt(tctx, "schema", int64(schema.RequestsSchemaVersion))
if err != nil {
return err
}
err = db.WriteMetaString(tctx, "schema_hash", schemahash)
if err != nil {
return err
}
ppReInit = true
currschema = schema.LogsSchemaVersion
if currschema == db.schemaVersion {
log.Info().Msgf("Database [%s] is up-to-date (%d == %d)", db.name, currschema, db.schemaVersion)
}
if currschema == 1 {
schemHashDB, err := sq.HashSqliteDatabase(tctx, tx)
if err != nil {
return err
}
for currschema < db.schemaVersion {
schemaHashMeta, err := db.ReadMetaString(tctx, "schema_hash")
if err != nil {
return err
}
if currschema == 0 {
log.Info().Msgf("Migrate database (initialize) [%s] %d -> %d", db.name, currschema, db.schemaVersion)
if schemHashDB != langext.Coalesce(schemaHashMeta, "") || langext.Coalesce(schemaHashMeta, "") != schema.RequestsSchema[currschema].Hash {
log.Debug().Str("schemHashDB", schemHashDB).Msg("Schema (requests db)")
log.Debug().Str("schemaHashMeta", langext.Coalesce(schemaHashMeta, "")).Msg("Schema (requests db)")
log.Debug().Str("schemaHashAsset", schema.RequestsSchema[currschema].Hash).Msg("Schema (requests db)")
return errors.New("database schema does not match (requests db)")
schemastr := db.schema[1].SQL
schemahash := db.schema[1].Hash
_, err = tx.Exec(tctx, schemastr, sq.PP{})
if err != nil {
return err
}
err = db.WriteMetaInt(tctx, "schema", int64(db.schemaVersion))
if err != nil {
return err
}
err = db.WriteMetaString(tctx, "schema_hash", schemahash)
if err != nil {
return err
}
ppReInit = true
currschema = db.schemaVersion
} else {
log.Debug().Str("schemHash", schemHashDB).Msg("Verified Schema consistency (requests db)")
log.Info().Msgf("Migrate database [%s] %d -> %d", db.name, currschema, currschema+1)
err = db.migrateSingle(tctx, tx, currschema, currschema+1)
if err != nil {
return err
}
currschema = currschema + 1
}
}
if currschema != schema.RequestsSchemaVersion {
if currschema != db.schemaVersion {
return errors.New(fmt.Sprintf("Unknown DB schema: %d", currschema))
}
@@ -169,6 +174,100 @@ func (db *Database) Migrate(outerctx context.Context) error {
return nil
}
//goland:noinspection SqlConstantCondition,SqlWithoutWhere
func (db *Database) migrateSingle(tctx *simplectx.SimpleContext, tx sq.Tx, schemaFrom int, schemaTo int) error {
// ADD MIGRATIONS HERE ...
return exerr.New(exerr.TypeInternal, fmt.Sprintf("missing %s migration from %d to %d", db.name, schemaFrom, schemaTo)).Build()
}
func (db *Database) migrateBySQL(tctx *simplectx.SimpleContext, tx sq.Tx, stmts string, currSchemaVers int, resultSchemVers int, resultHash string, post func(tctx *simplectx.SimpleContext, tx sq.Tx) error) error {
schemaHashMeta, err := db.ReadMetaString(tctx, "schema_hash")
if err != nil {
return err
}
schemHashDBBefore, err := sq.HashSqliteDatabase(tctx, tx)
if err != nil {
return err
}
if schemHashDBBefore != langext.Coalesce(schemaHashMeta, "") || langext.Coalesce(schemaHashMeta, "") != db.schema[currSchemaVers].Hash {
log.Debug().Str("schemHashDB", schemHashDBBefore).Msg("Schema (primary db)")
log.Debug().Str("schemaHashMeta", langext.Coalesce(schemaHashMeta, "")).Msg("Schema (primary db)")
log.Debug().Str("schemaHashAsset", db.schema[currSchemaVers].Hash).Msg("Schema (primary db)")
return errors.New("database schema does not match (primary db)")
} else {
log.Debug().Str("schemHash", schemHashDBBefore).Msg("Verified Schema consistency (primary db)")
}
log.Info().Msgf("Upgrade schema from %d -> %d", currSchemaVers, resultSchemVers)
_, err = tx.Exec(tctx, stmts, sq.PP{})
if err != nil {
return err
}
schemHashDBAfter, err := sq.HashSqliteDatabase(tctx, tx)
if err != nil {
return err
}
if schemHashDBAfter != resultHash {
schemaDBStr := langext.Must(createSqliteDatabaseSchemaStringFromSQL(tctx, db.schema[resultSchemVers].SQL))
resultDBStr := langext.Must(sq.CreateSqliteDatabaseSchemaString(tctx, tx))
fmt.Printf("========================================= SQL SCHEMA-DUMP STR (CORRECT | FROM COMPILED SCHEMA):%s\n=========================================\n\n", schemaDBStr)
fmt.Printf("========================================= SQL SCHEMA-DUMP STR (CURRNET | AFTER MIGRATION):%s\n=========================================\n\n", resultDBStr)
return fmt.Errorf("database [%s] schema does not match after [%d -> %d] migration (expected: %s | actual: %s)", db.name, currSchemaVers, resultSchemVers, resultHash, schemHashDBBefore)
}
err = db.WriteMetaInt(tctx, "schema", int64(resultSchemVers))
if err != nil {
return err
}
err = db.WriteMetaString(tctx, "schema_hash", resultHash)
if err != nil {
return err
}
log.Info().Msgf("Upgrade schema from %d -> %d succesfully", currSchemaVers, resultSchemVers)
return nil
}
func createSqliteDatabaseSchemaStringFromSQL(ctx context.Context, schemaStr string) (string, error) {
dbdir := os.TempDir()
dbfile1 := filepath.Join(dbdir, langext.MustHexUUID()+".sqlite3")
defer func() { _ = os.Remove(dbfile1) }()
err := os.MkdirAll(dbdir, os.ModePerm)
if err != nil {
return "", err
}
url := fmt.Sprintf("file:%s?_pragma=journal_mode(%s)&_pragma=timeout(%d)&_pragma=foreign_keys(%s)&_pragma=busy_timeout(%d)", dbfile1, "DELETE", 1000, "true", 1000)
xdb, err := sqlx.Open("sqlite", url)
if err != nil {
return "", err
}
db := sq.NewDB(xdb, sq.DBOptions{})
_, err = db.Exec(ctx, schemaStr, sq.PP{})
if err != nil {
return "", err
}
return sq.CreateSqliteDatabaseSchemaString(ctx, db)
}
func (db *Database) Ping(ctx context.Context) error {
return db.db.Ping(ctx)
}