micro/router/query.go

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package router
// QueryOption sets routing table query options
type QueryOption func(*QueryOptions)
// QueryOptions are routing table query options
type QueryOptions struct {
// Service is destination service name
Service string
// Address of the service
Address string
// Gateway is route gateway
Gateway string
// Network is network address
Network string
// Router is router id
Router string
// Strategy is routing strategy
Strategy Strategy
}
// QueryService sets service to query
func QueryService(s string) QueryOption {
return func(o *QueryOptions) {
o.Service = s
}
}
// QueryAddress sets service to query
func QueryAddress(a string) QueryOption {
return func(o *QueryOptions) {
o.Address = a
}
}
// QueryGateway sets gateway address to query
func QueryGateway(g string) QueryOption {
return func(o *QueryOptions) {
o.Gateway = g
}
}
// QueryNetwork sets network name to query
func QueryNetwork(n string) QueryOption {
return func(o *QueryOptions) {
o.Network = n
}
}
// QueryRouter sets router id to query
func QueryRouter(r string) QueryOption {
return func(o *QueryOptions) {
o.Router = r
}
}
// QueryStrategy sets strategy to query
func QueryStrategy(s Strategy) QueryOption {
return func(o *QueryOptions) {
o.Strategy = s
}
}
// NewQuery creates new query and returns it
func NewQuery(opts ...QueryOption) QueryOptions {
// default options
qopts := QueryOptions{
Service: "*",
Address: "*",
Gateway: "*",
Network: "*",
Router: "*",
Strategy: AdvertiseAll,
}
for _, o := range opts {
o(&qopts)
}
return qopts
}