mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-23 22:27:38 -05:00
c3bcd967bd
* Implement UDP writer * Implement Net Writer * Utilize Caddy's address parsing functions * A couple little fixes (see #2884)
82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
|
|
//
|
|
// 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
|
|
//
|
|
// http://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 logging
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
|
|
"github.com/caddyserver/caddy/v2"
|
|
)
|
|
|
|
func init() {
|
|
caddy.RegisterModule(NetWriter{})
|
|
}
|
|
|
|
// NetWriter implements a log writer that outputs to a network socket.
|
|
type NetWriter struct {
|
|
Address string `json:"address,omitempty"`
|
|
|
|
addr caddy.ParsedAddress
|
|
}
|
|
|
|
// CaddyModule returns the Caddy module information.
|
|
func (NetWriter) CaddyModule() caddy.ModuleInfo {
|
|
return caddy.ModuleInfo{
|
|
ID: "caddy.logging.writers.net",
|
|
New: func() caddy.Module { return new(NetWriter) },
|
|
}
|
|
}
|
|
|
|
// Provision sets up the module.
|
|
func (nw *NetWriter) Provision(ctx caddy.Context) error {
|
|
repl := caddy.NewReplacer()
|
|
address, err := repl.ReplaceOrErr(nw.Address, true, true)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid host in address: %v", err)
|
|
}
|
|
|
|
nw.addr, err = caddy.ParseNetworkAddress(address)
|
|
if err != nil {
|
|
return fmt.Errorf("parsing network address '%s': %v", address, err)
|
|
}
|
|
|
|
if nw.addr.PortRangeSize() != 1 {
|
|
return fmt.Errorf("multiple ports not supported")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (nw NetWriter) String() string {
|
|
return nw.addr.String()
|
|
}
|
|
|
|
// WriterKey returns a unique key representing this nw.
|
|
func (nw NetWriter) WriterKey() string {
|
|
return nw.addr.String()
|
|
}
|
|
|
|
// OpenWriter opens a new network connection.
|
|
func (nw NetWriter) OpenWriter() (io.WriteCloser, error) {
|
|
return net.Dial(nw.addr.Network, nw.addr.JoinHostPort(0))
|
|
}
|
|
|
|
// Interface guards
|
|
var (
|
|
_ caddy.Provisioner = (*NetWriter)(nil)
|
|
_ caddy.WriterOpener = (*NetWriter)(nil)
|
|
)
|