gateway

type Gateway struct {
	// contains filtered or unexported fields
}

type GatewayConfig struct {
	Name            string
	ListenAddr      string
	UpstreamTimeout time.Duration
	MaxRetries      int
	RetryDelay      time.Duration
	RateLimitConfig *ratelimit.RateLimitConfig
	Routes          []RouteConfig
}

type GatewayStats struct {
	TotalRequests       int64
	SuccessfulRequests  int64
	FailedRequests      int64
	AverageResponseTime time.Duration
	LastRequestTime     time.Time
	RouteStats          map[string]*RouteStats
}

type MiddlewareFunc func(http.Handler) http.Handler

type RewriteRule struct {
	Pattern string `json:"pattern"`
	Replace string `json:"replace"`
}

type Route struct {
	Path         string
	Methods      map[string]bool
	UpstreamURL  *url.URL
	StripPrefix  string
	AddHeaders   map[string]string
	Transform    *TransformConfig
	RewriteRules []RewriteRule
}

type RouteConfig struct {
	Path         string            `json:"path"`
	Methods      []string          `json:"methods"`
	UpstreamURL  string            `json:"upstream_url"`
	StripPrefix  string            `json:"strip_prefix,omitempty"`
	AddHeaders   map[string]string `json:"add_headers,omitempty"`
	Transform    *TransformConfig  `json:"transform,omitempty"`
	RewriteRules []RewriteRule     `json:"rewrite_rules,omitempty"`
}

type RouteStats struct {
	RequestCount        int64
	SuccessCount        int64
	ErrorCount          int64
	AverageResponseTime time.Duration
	LastRequestTime     time.Time
}

type TransformConfig struct {
	Request  *TransformRule `json:"request,omitempty"`
	Response *TransformRule `json:"response,omitempty"`
}

type TransformRule struct {
	AddFields    map[string]interface{} `json:"add_fields,omitempty"`
	RemoveFields []string               `json:"remove_fields,omitempty"`
	RenameFields map[string]string      `json:"rename_fields,omitempty"`
	FilterFields []string               `json:"filter_fields,omitempty"`
}