forked from newrelic/sidecar
/
view.go
95 lines (69 loc) · 2.5 KB
/
view.go
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package catalog
import (
"sort"
"github.com/Nitro/memberlist"
"github.com/Nitro/sidecar/service"
)
// These are functions useful in viewing the contents of the state
// ServicesState -------------------------
func (state *ServicesState) EachServiceSorted(fn func(hostname *string, serviceId *string, svc *service.Service)) {
var services []*service.Service
state.EachService(func(hostname *string, serviceId *string, svc *service.Service) {
services = append(services, svc)
})
sort.Sort(ServicesByAge(services))
for _, svc := range services {
fn(&svc.Hostname, &svc.ID, svc)
}
}
func (state *ServicesState) EachLocalService(fn func(hostname *string, serviceId *string, svc *service.Service)) {
state.EachService(func(hostname *string, serviceId *string, svc *service.Service) {
if state.Hostname == *hostname {
fn(hostname, serviceId, svc)
}
})
}
// Services -------------------------------
// by Age
type ServicesByAge []*service.Service
func (s ServicesByAge) Len() int { return len(s) }
func (s ServicesByAge) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s ServicesByAge) Less(i, j int) bool { return s[i].Updated.Before(s[j].Updated) }
func (s *Server) SortedServices() []*service.Service {
servicesList := make([]*service.Service, 0, len(s.Services))
for _, service := range s.Services {
servicesList = append(servicesList, service)
}
sort.Sort(ServicesByAge(servicesList))
return servicesList
}
// by Name
type ServicesByName []*service.Service
func (a ServicesByName) Len() int { return len(a) }
func (a ServicesByName) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ServicesByName) Less(i, j int) bool { return a[i].Name < a[j].Name }
// Servers --------------------------------
type ServerByName []*Server
func (s ServerByName) Len() int {
return len(s)
}
func (s ServerByName) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s ServerByName) Less(i, j int) bool {
return s[i].Name < s[j].Name
}
func (state *ServicesState) SortedServers() []*Server {
serversList := make([]*Server, 0, len(state.Servers))
for _, server := range state.Servers {
serversList = append(serversList, server)
}
sort.Sort(ServerByName(serversList))
return serversList
}
// Memberlist --------------------------------
// by Name
type ListByName []*memberlist.Node
func (a ListByName) Len() int { return len(a) }
func (a ListByName) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ListByName) Less(i, j int) bool { return a[i].Name < a[j].Name }