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Merge pull request fatedier#182 from xuebing1110/dev
[dev] http router by host and url
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package vhost | ||
|
|
||
| import ( | ||
| "sort" | ||
| "strings" | ||
| "sync" | ||
| ) | ||
|
|
||
| type VhostRouters struct { | ||
| RouterByDomain map[string][]*VhostRouter | ||
| mutex sync.RWMutex | ||
| } | ||
|
|
||
| type VhostRouter struct { | ||
| name string | ||
| domain string | ||
| location string | ||
| listener *Listener | ||
| } | ||
|
|
||
| func NewVhostRouters() *VhostRouters { | ||
| return &VhostRouters{ | ||
| RouterByDomain: make(map[string][]*VhostRouter), | ||
| } | ||
| } | ||
|
|
||
| //sort by location | ||
| type ByLocation []*VhostRouter | ||
|
|
||
| func (a ByLocation) Len() int { | ||
| return len(a) | ||
| } | ||
| func (a ByLocation) Swap(i, j int) { | ||
| a[i], a[j] = a[j], a[i] | ||
| } | ||
| func (a ByLocation) Less(i, j int) bool { | ||
| return strings.Compare(a[i].location, a[j].location) < 0 | ||
| } | ||
|
|
||
| func (r *VhostRouters) add(name, domain string, locations []string, l *Listener) { | ||
| r.mutex.Lock() | ||
| defer r.mutex.Unlock() | ||
|
|
||
| vrs, found := r.RouterByDomain[domain] | ||
| if !found { | ||
| vrs = make([]*VhostRouter, 0) | ||
| } | ||
|
|
||
| for _, loc := range locations { | ||
| vr := &VhostRouter{ | ||
| name: name, | ||
| domain: domain, | ||
| location: loc, | ||
| listener: l, | ||
| } | ||
| vrs = append(vrs, vr) | ||
| } | ||
|
|
||
| sort.Reverse(ByLocation(vrs)) | ||
| r.RouterByDomain[domain] = vrs | ||
| } | ||
|
|
||
| func (r *VhostRouters) del(l *Listener) { | ||
| r.mutex.Lock() | ||
| defer r.mutex.Unlock() | ||
|
|
||
| vrs, found := r.RouterByDomain[l.domain] | ||
| if !found { | ||
| return | ||
| } | ||
|
|
||
| for i, vr := range vrs { | ||
| if vr.listener == l { | ||
| if len(vrs) > i+1 { | ||
| r.RouterByDomain[l.domain] = append(vrs[:i], vrs[i+1:]...) | ||
| } else { | ||
| r.RouterByDomain[l.domain] = vrs[:i] | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (r *VhostRouters) get(rname string) (vr *VhostRouter, exist bool) { | ||
| r.mutex.RLock() | ||
| defer r.mutex.RUnlock() | ||
|
|
||
| var domain, url string | ||
| tmparray := strings.SplitN(rname, ":", 2) | ||
| if len(tmparray) == 2 { | ||
| domain = tmparray[0] | ||
| url = tmparray[1] | ||
| } | ||
|
|
||
| vrs, found := r.RouterByDomain[domain] | ||
| if !found { | ||
| return | ||
| } | ||
|
|
||
| //can't support load balance,will to do | ||
| for _, vr = range vrs { | ||
| if strings.HasPrefix(url, vr.location) { | ||
| return vr, true | ||
| } | ||
| } | ||
|
|
||
| return | ||
| } |
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