57 lines
2 KiB
Go
57 lines
2 KiB
Go
// Package config provides the main configuration
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package config
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import (
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"time"
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)
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// Defines default config settings
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const (
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DefaultListenHTTP = ":80"
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DefaultCacheDuration = 12 * time.Hour
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DefaultKeepaliveInterval = 30 * time.Second
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DefaultManagerInterval = time.Minute
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)
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// Defines all the limits
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// - global topic limit: max number of topics overall
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// - per visistor request limit: max number of PUT/GET/.. requests (here: 60 requests bucket, replenished at a rate of one per 10 seconds)
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// - per visistor subscription limit: max number of subscriptions (active HTTP connections) per per-visitor/IP
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const (
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DefaultGlobalTopicLimit = 5000
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DefaultVisitorRequestLimitBurst = 60
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DefaultVisitorRequestLimitReplenish = 10 * time.Second
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DefaultVisitorSubscriptionLimit = 30
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)
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// Config is the main config struct for the application. Use New to instantiate a default config struct.
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type Config struct {
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ListenHTTP string
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FirebaseKeyFile string
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CacheFile string
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CacheDuration time.Duration
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KeepaliveInterval time.Duration
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ManagerInterval time.Duration
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GlobalTopicLimit int
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VisitorRequestLimitBurst int
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VisitorRequestLimitReplenish time.Duration
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VisitorSubscriptionLimit int
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BehindProxy bool
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}
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// New instantiates a default new config
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func New(listenHTTP string) *Config {
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return &Config{
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ListenHTTP: listenHTTP,
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FirebaseKeyFile: "",
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CacheFile: "",
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CacheDuration: DefaultCacheDuration,
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KeepaliveInterval: DefaultKeepaliveInterval,
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ManagerInterval: DefaultManagerInterval,
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GlobalTopicLimit: DefaultGlobalTopicLimit,
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VisitorRequestLimitBurst: DefaultVisitorRequestLimitBurst,
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VisitorRequestLimitReplenish: DefaultVisitorRequestLimitReplenish,
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VisitorSubscriptionLimit: DefaultVisitorSubscriptionLimit,
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BehindProxy: false,
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}
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}
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