proxy

type CacheConfiguration struct {
	MaxSize              int `json:"maxSize"`
	MaxPurgesPerTimerPop int `json:"maxPurgesPerTimerPop"`
	TimerIntervalSeconds int `json:"timerIntervalSeconds"`
}

type Configuration struct {
	MetricsConfiguration   MetricsConfiguration   `json:"metricsConfiguration"`
	DNSServerConfiguration DNSServerConfiguration `json:"dnsServerConfiguration"`
	DOHClientConfiguration DOHClientConfiguration `json:"dohClientConfiguration"`
	DNSProxyConfiguration  DNSProxyConfiguration  `json:"dnsProxyConfiguration"`
	CacheConfiguration     CacheConfiguration     `json:"cacheConfiguration"`
	PrefetchConfiguration  PrefetchConfiguration  `json:"PrefetchConfiguration"`
	PprofConfiguration     PprofConfiguration     `json:"pprofConfiguration"`
}

type DNSProxy interface {
	Start()
}

type DNSProxyConfiguration struct {
	ForwardDomainConfigurations []ForwardDomainConfiguration `json:"forwardDomainConfigurations"`
	ReverseDomainConfigurations []ReverseDomainConfiguration `json:"reverseDomainConfigurations"`
	BlockedDomainsFile          string                       `json:"blockedDomainsFile"`
	ClampMinTTLSeconds          uint32                       `json:"clampMinTTLSeconds"`
	ClampMaxTTLSeconds          uint32                       `json:"clampMaxTTLSeconds"`
}

type DNSServerConfiguration struct {
	ListenAddress HostAndPort `json:"listenAddress"`
}

type DOHClientConfiguration struct {
	URL                                 string `json:"url"`
	MaxConcurrentRequests               int64  `json:"maxConcurrentRequests"`
	SemaphoreAcquireTimeoutMilliseconds int    `json:"semaphoreAcquireTimeoutMilliseconds"`
	RequestTimeoutMilliseconds          int    `json:"requestTimeoutMilliseconds"`
}

type ForwardDomainConfiguration struct {
	Domain             string                 `json:"domain"`
	NamesToAddresses   []ForwardNameToAddress `json:"namesToAddresses"`
	ResponseTTLSeconds uint32                 `json:"responseTTLSeconds"`
}

type ForwardNameToAddress struct {
	Name      string `json:"name"`
	IPAddress string `json:"ipAddress"`
}

type HostAndPort struct {
	Host string `json:"host"`
	Port string `json:"port"`
}

type MetricsConfiguration struct {
	TimerIntervalSeconds int `json:"timerIntervalSeconds"`
}

type PprofConfiguration struct {
	Enabled       bool   `json:"enabled"`
	ListenAddress string `json:"listenAddress"`
}

type PrefetchConfiguration struct {
	MaxCacheSize            int `json:"maxCacheSize"`
	NumWorkers              int `json:"numWorkers"`
	SleepIntervalSeconds    int `json:"sleepIntervalSeconds"`
	MaxCacheEntryAgeSeconds int `json:"maxCacheEntryAgeSeconds"`
}

type ReverseAddressToName struct {
	ReverseAddress string `json:"reverseAddress"`
	Name           string `json:"name"`
}

type ReverseDomainConfiguration struct {
	Domain             string                 `json:"domain"`
	AddressesToNames   []ReverseAddressToName `json:"addressesToNames"`
	ResponseTTLSeconds uint32                 `json:"responseTTLSeconds"`
}