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server.go
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server.go
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Copyright(c) 2022 individual contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// <https://www.apache.org/licenses/LICENSE-2.0>
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
package raizu
import (
"context"
"net"
"net/http"
)
// A HTTPServer represents an HTTP server.
type HTTPServer interface {
// Close immediately closes all active [net.Listener] instances and
// any connections in state [http.StateNew], [http.StateActive], or [http.StateIdle]. For a
// graceful shutdown, use Shutdown.
//
// See [http.Server.Close] for more details.
Close() error
// Shutdown gracefully shuts down the server without interrupting any
// active connections.
//
// See [http.Server.Shutdown] for more details.
Shutdown(ctx context.Context) error
// Serve starts accepting incoming connections on the [net.Listener] in l, creating a
// new service goroutine for each. The service goroutines read requests and
// then is expected to call srv.Handler of the corresponding NewBlueprint to reply to them.
//
// See [http.Server.Serve] for more details.
Serve(l net.Listener) error
}
// NewServer creates a new [raizu.HTTPServer] based on the [raizu.ServerConfig] provided.
//
// All Blueprints provided in [raizu.ServerConfig.Blueprints] will be instantiated and
// mounted on the server. If any [raizu.Blueprint] instance fails, the
// whole function fails and returns an error instead.
func NewServer(config ServerConfig) (HTTPServer, error) {
h, err := config.Blueprint.NewHandlerProvider()
if err != nil {
return nil, err
}
s := &http.Server{
ReadTimeout: config.ReadTimeout,
WriteTimeout: config.WriteTimeout,
IdleTimeout: config.IdleTimeout,
TLSConfig: config.TLSConfig,
Handler: h.Handler(),
}
return s, nil
}