101 lines
1.8 KiB
Go
101 lines
1.8 KiB
Go
package hpds_node
|
|
|
|
import (
|
|
"fmt"
|
|
"git.hpds.cc/Component/network"
|
|
"git.hpds.cc/Component/network/hpds_err"
|
|
"git.hpds.cc/pavement/hpds_node/config"
|
|
"sync"
|
|
)
|
|
|
|
type router struct {
|
|
r *route
|
|
}
|
|
|
|
func newRouter(functions []config.App) network.Router {
|
|
return &router{r: newRoute(functions)}
|
|
}
|
|
|
|
func (r *router) Route(metadata network.Metadata) network.Route {
|
|
return r.r
|
|
}
|
|
|
|
func (r *router) Clean() {
|
|
r.r = nil
|
|
}
|
|
|
|
type route struct {
|
|
functions []config.App
|
|
data map[byte]map[string]string
|
|
mu sync.RWMutex
|
|
}
|
|
|
|
func newRoute(functions []config.App) *route {
|
|
return &route{
|
|
functions: functions,
|
|
data: make(map[byte]map[string]string),
|
|
}
|
|
}
|
|
|
|
func (r *route) Add(connId string, name string, observeDataTags []byte) (err error) {
|
|
r.mu.Lock()
|
|
defer r.mu.Unlock()
|
|
|
|
ok := false
|
|
for _, v := range r.functions {
|
|
if v.Name == name {
|
|
ok = true
|
|
break
|
|
}
|
|
}
|
|
if !ok {
|
|
return fmt.Errorf("SFN[%s] does not exist in config functions", name)
|
|
}
|
|
|
|
LOOP:
|
|
for _, connects := range r.data {
|
|
for connKey, n := range connects {
|
|
if n == name {
|
|
err = hpds_err.NewDuplicateNameError(connKey, fmt.Errorf("node:Stream Function[%s] is already linked to another connection", name))
|
|
delete(connects, connKey)
|
|
break LOOP
|
|
}
|
|
}
|
|
}
|
|
|
|
for _, tag := range observeDataTags {
|
|
connects := r.data[tag]
|
|
if connects == nil {
|
|
connects = make(map[string]string)
|
|
r.data[tag] = connects
|
|
}
|
|
r.data[tag][connId] = name
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
func (r *route) Remove(connId string) error {
|
|
r.mu.Lock()
|
|
defer r.mu.Unlock()
|
|
|
|
for _, connects := range r.data {
|
|
delete(connects, connId)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r *route) GetForwardRoutes(tag byte) []string {
|
|
r.mu.RLock()
|
|
defer r.mu.RUnlock()
|
|
|
|
var keys []string
|
|
if connects := r.data[tag]; connects != nil {
|
|
for k := range connects {
|
|
keys = append(keys, k)
|
|
}
|
|
}
|
|
return keys
|
|
}
|