75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
package router
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// QueryOption sets routing table query options
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type QueryOption func(*QueryOptions)
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// QueryOptions are routing table query options
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type QueryOptions struct {
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// Service is destination service name
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Service string
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// Gateway is route gateway
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Gateway string
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// Network is network address
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Network string
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}
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// QueryService sets destination address
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func QueryService(s string) QueryOption {
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return func(o *QueryOptions) {
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o.Service = s
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}
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}
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// QueryGateway sets route gateway
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func QueryGateway(g string) QueryOption {
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return func(o *QueryOptions) {
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o.Gateway = g
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}
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}
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// QueryNetwork sets route network address
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func QueryNetwork(n string) QueryOption {
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return func(o *QueryOptions) {
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o.Network = n
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}
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}
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// Query is routing table query
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type Query interface {
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// Options returns query options
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Options() QueryOptions
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}
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// query is a basic implementation of Query
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type query struct {
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opts QueryOptions
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}
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// NewQuery creates new query and returns it
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func NewQuery(opts ...QueryOption) Query {
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// default options
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qopts := QueryOptions{
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Service: "*",
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Gateway: "*",
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Network: "*",
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}
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for _, o := range opts {
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o(&qopts)
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}
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return &query{
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opts: qopts,
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}
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}
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// Options returns query options
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func (q *query) Options() QueryOptions {
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return q.opts
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}
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// String prints routing table query in human readable form
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func (q query) String() string {
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return "query"
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}
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