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add two new examples and share the app's specific logger instance with sessions databases and APIBuilder

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This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-08-16 07:07:36 +03:00
parent ef7d365e81
commit 889b7942d3
23 changed files with 346 additions and 89 deletions
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27
sessions/sessiondb/redis/database.go
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@@ -77,7 +77,8 @@ func DefaultConfig() Config {
// Database the redis back-end session database for the sessions.
type Database struct {
c Config
c Config
logger *golog.Logger
}
var _ sessions.Database = (*Database)(nil)
@@ -131,6 +132,12 @@ func (db *Database) Config() *Config {
return &db.c // 6 Aug 2019 - keep that for no breaking change.
}
// SetLogger sets the logger once before server ran.
// By default the Iris one is injected.
func (db *Database) SetLogger(logger *golog.Logger) {
db.logger = logger
}
// Acquire receives a session's lifetime from the database,
// if the return value is LifeTime{} then the session manager sets the life time based on the expiration duration lives in configuration.
func (db *Database) Acquire(sid string, expires time.Duration) sessions.LifeTime {
@@ -140,7 +147,7 @@ func (db *Database) Acquire(sid string, expires time.Duration) sessions.LifeTime
// fmt.Printf("db.Acquire expires: %s. Seconds: %v\n", expires, expires.Seconds())
// not found, create an entry with ttl and return an empty lifetime, session manager will do its job.
if err := db.c.Driver.Set(key, sid, int64(expires.Seconds())); err != nil {
golog.Debug(err)
db.logger.Debug(err)
}
return sessions.LifeTime{} // session manager will handle the rest.
@@ -168,17 +175,17 @@ func (db *Database) makeKey(sid, key string) string {
// Set sets a key value of a specific session.
// Ignore the "immutable".
func (db *Database) Set(sid string, lifetime sessions.LifeTime, key string, value interface{}, immutable bool) {
func (db *Database) Set(sid string, lifetime *sessions.LifeTime, key string, value interface{}, immutable bool) {
valueBytes, err := sessions.DefaultTranscoder.Marshal(value)
if err != nil {
golog.Error(err)
db.logger.Error(err)
return
}
// fmt.Println("database.Set")
// fmt.Printf("lifetime.DurationUntilExpiration(): %s. Seconds: %v\n", lifetime.DurationUntilExpiration(), lifetime.DurationUntilExpiration().Seconds())
if err = db.c.Driver.Set(db.makeKey(sid, key), valueBytes, int64(lifetime.DurationUntilExpiration().Seconds())); err != nil {
golog.Debug(err)
db.logger.Debug(err)
}
}
@@ -196,7 +203,7 @@ func (db *Database) get(key string, outPtr interface{}) error {
}
if err = sessions.DefaultTranscoder.Unmarshal(data.([]byte), outPtr); err != nil {
golog.Debugf("unable to unmarshal value of key: '%s': %v", key, err)
db.logger.Debugf("unable to unmarshal value of key: '%s': %v", key, err)
return err
}
@@ -206,7 +213,7 @@ func (db *Database) get(key string, outPtr interface{}) error {
func (db *Database) keys(sid string) []string {
keys, err := db.c.Driver.GetKeys(db.makeKey(sid, ""))
if err != nil {
golog.Debugf("unable to get all redis keys of session '%s': %v", sid, err)
db.logger.Debugf("unable to get all redis keys of session '%s': %v", sid, err)
return nil
}
@@ -233,7 +240,7 @@ func (db *Database) Len(sid string) (n int) {
func (db *Database) Delete(sid string, key string) (deleted bool) {
err := db.c.Driver.Delete(db.makeKey(sid, key))
if err != nil {
golog.Error(err)
db.logger.Error(err)
}
return err == nil
}
@@ -243,7 +250,7 @@ func (db *Database) Clear(sid string) {
keys := db.keys(sid)
for _, key := range keys {
if err := db.c.Driver.Delete(key); err != nil {
golog.Debugf("unable to delete session '%s' value of key: '%s': %v", sid, key, err)
db.logger.Debugf("unable to delete session '%s' value of key: '%s': %v", sid, key, err)
}
}
}
@@ -256,7 +263,7 @@ func (db *Database) Release(sid string) {
// and remove the $sid.
err := db.c.Driver.Delete(db.c.Prefix + sid)
if err != nil {
golog.Debugf("Database.Release.Driver.Delete: %s: %v", sid, err)
db.logger.Debugf("Database.Release.Driver.Delete: %s: %v", sid, err)
}
}