FrameStreamSockInput.go

/*
 * Copyright (c) 2013-2014 by Farsight Security, Inc.
 *
 * 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 dnstap

import "log"
import "net"
import "os"

type FrameStreamSockInput struct {
    wait        chan bool
    listener    net.Listener
}

func NewFrameStreamSockInput(listener net.Listener) (input *FrameStreamSockInput) {
    input = new(FrameStreamSockInput)
    input.listener = listener
    return
}

func NewFrameStreamSockInputFromPath(socketPath string) (input *FrameStreamSockInput, err error) {
    os.Remove(socketPath)
    listener, err := net.Listen("unix", socketPath)
    if err != nil {
        return
    }
    return NewFrameStreamSockInput(listener), nil
}

func (input *FrameStreamSockInput) ReadInto(output chan []byte) {
    for {
        conn, err := input.listener.Accept()
        if err != nil {
            log.Printf("net.Listener.Accept() failed: %s\n", err)
            continue
        }
        i, err := NewFrameStreamInput(conn, true)
        if err != nil {
            log.Printf("dnstap.NewFrameStreamInput() failed: %s\n", err)
            continue
        }
        log.Printf("dnstap.FrameStreamSockInput: accepted a socket connection\n")
        go i.ReadInto(output)
    }
}

func (input *FrameStreamSockInput) Wait() {
    select {}
}