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add storage-message-limit flag #5

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add storage-message-limit flag #5

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40 changes: 23 additions & 17 deletions config/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,23 +32,24 @@ func DefaultConfig() *Config {

// Config is the config, kind of
type Config struct {
SMTPBindAddr string
APIBindAddr string
Hostname string
MongoURI string
MongoDb string
MongoColl string
StorageType string
CORSOrigin string
MaildirPath string
InviteJim bool
Storage storage.Storage
MessageChan chan *data.Message
Assets func(asset string) ([]byte, error)
Monkey monkey.ChaosMonkey
OutgoingSMTPFile string
OutgoingSMTP map[string]*OutgoingSMTP
WebPath string
SMTPBindAddr string
APIBindAddr string
Hostname string
MongoURI string
MongoDb string
MongoColl string
StorageType string
CORSOrigin string
MaildirPath string
InviteJim bool
Storage storage.Storage
MessageChan chan *data.Message
Assets func(asset string) ([]byte, error)
Monkey monkey.ChaosMonkey
OutgoingSMTPFile string
OutgoingSMTP map[string]*OutgoingSMTP
WebPath string
MemoryMessageLimit int
}

// OutgoingSMTP is an outgoing SMTP server config
Expand All @@ -74,6 +75,10 @@ func Configure() *Config {
case "memory":
log.Println("Using in-memory storage")
cfg.Storage = storage.CreateInMemory()
if cfg.MemoryMessageLimit > 0 {
log.Printf("Limiting in-memory storage to %d messages\n", cfg.MemoryMessageLimit)
cfg.Storage.(*storage.InMemory).SetMessageLimit(cfg.MemoryMessageLimit)
}
case "mongodb":
log.Println("Using MongoDB message storage")
s := storage.CreateMongoDB(cfg.MongoURI, cfg.MongoDb, cfg.MongoColl)
Expand Down Expand Up @@ -128,5 +133,6 @@ func RegisterFlags() {
flag.StringVar(&cfg.MaildirPath, "maildir-path", envconf.FromEnvP("MH_MAILDIR_PATH", "").(string), "Maildir path (if storage type is 'maildir')")
flag.BoolVar(&cfg.InviteJim, "invite-jim", envconf.FromEnvP("MH_INVITE_JIM", false).(bool), "Decide whether to invite Jim (beware, he causes trouble)")
flag.StringVar(&cfg.OutgoingSMTPFile, "outgoing-smtp", envconf.FromEnvP("MH_OUTGOING_SMTP", "").(string), "JSON file containing outgoing SMTP servers")
flag.IntVar(&cfg.MemoryMessageLimit, "storage-message-limit", envconf.FromEnvP("MH_STORAGE_MESSAGE_LIMIT", 0).(int), "Storage message limit (memory storage only, default no limit)")
Jim.RegisterFlags()
}