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|You will love this| New Feature: Offline routing, dynamic changes against a route's state | https://github.com/kataras/iris/issues/585

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Read HISTORY.md for details
This commit is contained in:
Gerasimos (Makis) Maropoulos
2017-01-12 08:28:30 +02:00
parent 020e857b22
commit c91a1e6628
7 changed files with 322 additions and 12 deletions
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29
http.go
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@@ -37,10 +37,15 @@ const (
MethodOptions = "OPTIONS"
// MethodTrace "TRACE"
MethodTrace = "TRACE"
// MethodNone is a Virtual method
// to store the "offline" routes
// in the mux's tree
MethodNone = "NONE"
)
var (
// AllMethods "GET", "POST", "PUT", "DELETE", "CONNECT", "HEAD", "PATCH", "OPTIONS", "TRACE"
// AllMethods contains all the http valid methods:
// "GET", "POST", "PUT", "DELETE", "CONNECT", "HEAD", "PATCH", "OPTIONS", "TRACE"
AllMethods = [...]string{MethodGet, MethodPost, MethodPut, MethodDelete, MethodConnect, MethodHead, MethodPatch, MethodOptions, MethodTrace}
)
@@ -701,6 +706,8 @@ type (
Middleware() Middleware
// SetMiddleware changes/sets the middleware(handler(s)) for this route
SetMiddleware(Middleware)
// IsOnline returns true if the route is marked as "online" (state)
IsOnline() bool
}
route struct {
@@ -798,6 +805,10 @@ func (r *route) SetMiddleware(m Middleware) {
r.middleware = m
}
func (r route) IsOnline() bool {
return r.method != MethodNone
}
// RouteConflicts checks for route's middleware conflicts
func RouteConflicts(r *route, with string) bool {
for _, h := range r.middleware {
@@ -944,10 +955,17 @@ func (mux *serveMux) register(method string, subdomain string, path string, midd
}
// build collects all routes info and adds them to the registry in order to be served from the request handler
// this happens once when server is setting the mux's handler.
// this happens once(except when a route changes its state) when server is setting the mux's handler.
func (mux *serveMux) build() (methodEqual func(string, string) bool) {
sort.Sort(bySubdomain(mux.lookups))
// clear them for any case
// build may called internally to re-build the routes.
// re-build happens from BuildHandler() when a route changes its state
// from offline to online or from online to offline
mux.garden = mux.garden[0:0]
// this is not used anywhere for now, but keep it here.
mux.maxParameters = 0
for i := range mux.lookups {
r := mux.lookups[i]
@@ -1014,7 +1032,12 @@ func HTMLEscape(s string) string {
return htmlReplacer.Replace(s)
}
// BuildHandler the default Iris router when iris.Handler is nil
// BuildHandler the default Iris router when iris.Router is nil
//
// NOTE: Is called and re-set to the iris.Router when
// a route changes its state from "online" to "offline" or "offline" to "online"
// look iris.None(...) for more
// and: https://github.com/kataras/iris/issues/585
func (mux *serveMux) BuildHandler() HandlerFunc {
// initialize the router once