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server.go
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server.go
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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package http
import (
"fmt"
"net"
"net/http"
"time"
"github.com/m3db/m3/src/aggregator/aggregator"
xdebug "github.com/m3db/m3/src/x/debug"
"github.com/m3db/m3/src/x/instrument"
xserver "github.com/m3db/m3/src/x/server"
)
const (
defaultCPUProfileDuration = 5 * time.Second
)
// server is an http server.
type server struct {
opts Options
address string
listener net.Listener
aggregator aggregator.Aggregator
iOpts instrument.Options
}
// NewServer creates a new http server.
func NewServer(
address string,
aggregator aggregator.Aggregator,
opts Options,
iOpts instrument.Options,
) xserver.Server {
return &server{
opts: opts,
address: address,
aggregator: aggregator,
iOpts: iOpts,
}
}
func (s *server) ListenAndServe() error {
listener, err := net.Listen("tcp", s.address)
if err != nil {
return err
}
return s.Serve(listener)
}
func (s *server) Serve(l net.Listener) error {
registerHandlers(s.opts.Mux(), s.aggregator)
// create and register debug handler
debugWriter, err := xdebug.NewZipWriterWithDefaultSources(
defaultCPUProfileDuration,
s.iOpts,
)
if err != nil {
return fmt.Errorf("unable to create debug writer: %v", err)
}
if err := debugWriter.RegisterHandler(xdebug.DebugURL, s.opts.Mux()); err != nil {
return fmt.Errorf("unable to register debug writer endpoint: %v", err)
}
server := http.Server{
Handler: s.opts.Mux(),
ReadTimeout: s.opts.ReadTimeout(),
WriteTimeout: s.opts.WriteTimeout(),
}
s.listener = l
s.address = l.Addr().String()
go func() {
server.Serve(l)
}()
return nil
}
func (s *server) Close() {
if s.listener != nil {
s.listener.Close()
}
s.listener = nil
}