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Rene Schallner 2023-05-19 03:22:31 +02:00
parent d0424d0d49
commit fe4e3f94a5
1 changed files with 6 additions and 2 deletions
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8
src/middleware.zig
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@ -37,7 +37,7 @@ pub fn MixContexts(comptime context_tuple: anytype) type {
}); });
} }
/// ContextType must implement .init(zap.SimpleRequest) /// Your middleware components need to contain a handler
pub fn Handler(comptime ContextType: anytype) type { pub fn Handler(comptime ContextType: anytype) type {
return struct { return struct {
other_handler: ?*Self = null, other_handler: ?*Self = null,
@ -57,6 +57,8 @@ pub fn Handler(comptime ContextType: anytype) type {
} }
// example for handling request // example for handling request
// which you can use in your components, e.g.:
// return self.handler.handleOther(r, context);
pub fn handleOther(self: *Self, r: zap.SimpleRequest, context: *ContextType) bool { pub fn handleOther(self: *Self, r: zap.SimpleRequest, context: *ContextType) bool {
// in structs embedding a handler, we'd @fieldParentPtr the first // in structs embedding a handler, we'd @fieldParentPtr the first
// param to get to the real self // param to get to the real self
@ -98,7 +100,6 @@ pub fn Listener(comptime ContextType: anytype) type {
/// initialize the middleware handler /// initialize the middleware handler
/// the passed in settings must have on_request set to null /// the passed in settings must have on_request set to null
///
pub fn init(settings: zap.SimpleHttpListenerSettings, initial_handler: *Handler(ContextType), request_alloc: ?RequestAllocatorFn) Error!Self { pub fn init(settings: zap.SimpleHttpListenerSettings, initial_handler: *Handler(ContextType), request_alloc: ?RequestAllocatorFn) Error!Self {
// override on_request with ourselves // override on_request with ourselves
if (settings.on_request != null) { if (settings.on_request != null) {
@ -121,6 +122,9 @@ pub fn Listener(comptime ContextType: anytype) type {
} }
// this is just a reference implementation // this is just a reference implementation
// but it's actually used obviously. Create your own listener if you
// want different behavior.
// Didn't want to make this a callback
pub fn onRequest(r: zap.SimpleRequest) void { pub fn onRequest(r: zap.SimpleRequest) void {
// we are the 1st handler in the chain, so we create a context // we are the 1st handler in the chain, so we create a context
var context: ContextType = .{}; var context: ContextType = .{};