upstream

type Backend struct {
	ID        string  `json:"id"`     // backend server id(name)
	IP        string  `json:"ip"`     // backend server ip
	Port      uint64  `json:"port"`   // backend server port
	Scheme    string  `json:"scheme"` // http / https, auto detect & setup by httpProxy
	Version   string  `json:"version"`
	Weight    float64 `json:"weihgt"`
	CleanName string  `json:"clean_name"` // backend server clean id(name)
}

type BackendCombined struct {
	*Upstream `json:"upstream"`
	*Backend  `json:"backend"`
}

type BackendEvent struct {
	Action string // add/del/update
	*BackendCombined
}

type Balancer interface {
	Next([]*Backend) *Backend
}

type Sessions struct {
	sync.RWMutex // protect m
	// contains filtered or unexported fields
}

type UpsManager struct {
	Upstreams []*Upstream `json:"upstreams"`
	sync.RWMutex
}

type Upstream struct {
	Name     string     `json:"name"`     // uniq name
	Alias    string     `json:"alias"`    // advertised url
	Listen   string     `json:"listen"`   // listen addr
	Backends []*Backend `json:"backends"` // backend servers
	// contains filtered or unexported fields
}