func (c *Config) ConstructRule(rule Rule) *routing.Rule {
if rule.Next == "" && rule.Pool == "" {
logger.Errorf("[rule %s] no pool or trie", rule.Name)
return routing.DummyRule(rule.Name)
}
var next *routing.Trie
if rule.Next != "" {
next = c.Tries[rule.Next]
if next == nil {
logger.Errorf("[rule %s] trie %s absent", rule.Name, rule.Next)
next = routing.DummyTrie(rule.Next)
}
}
var pool *backend.Pool
if rule.Pool != "" {
pool = c.Pools[rule.Pool]
if pool == nil {
logger.Errorf("[rule %s] trie %s absent", rule.Name, rule.Pool)
pool = backend.DummyPool(rule.Pool)
}
}
matcher, err := c.MatcherFactory.Make(rule.Type, rule.Value)
if err != nil {
logger.Errorf("[rule %s] setting matcher false", rule.Name)
matcher = routing.NewStaticMatcher("false")
}
return routing.NewRule(rule.Name, matcher, next, pool)
}
func (c *Config) DelTrie(name string) {
c.Lock()
defer c.Unlock()
if _, ok := c.Tries[name]; !ok {
logger.Errorf("no trie %s to delete", name)
return
}
// nil references to this trie
dummy := routing.DummyTrie(name)
for _, rule := range c.Rules {
if rule.Next == name {
rule.NextPtr = dummy
}
}
for num, _ := range c.Ports {
if c.Ports[num].Name == name {
c.Ports[num] = dummy
}
}
delete(c.Tries, name)
}
func (c *Config) UpdatePort(port Port) {
c.Lock()
defer c.Unlock()
trie, ok := c.Tries[port.Trie]
if !ok {
trie = routing.DummyTrie(port.Trie)
logger.Errorf("no trie %s in config", port.Trie)
}
c.Ports[port.Port] = trie
}
func (c *Config) AddPort(port Port) {
c.Lock()
defer c.Unlock()
if _, ok := c.Ports[port.Port]; ok {
logger.Errorf("port %s exists in config", port.Port)
return
}
trie, ok := c.Tries[port.Trie]
if !ok {
trie = routing.DummyTrie(port.Trie)
logger.Errorf("no trie %s in config", port.Trie)
}
c.Ports[port.Port] = trie
}