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connection.go
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connection.go
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// MIT License
// Copyright (c) [2022] [Bohdan Ivashko (https://github.com/Arriven)]
// 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 packetgen
import (
"net"
"golang.org/x/net/ipv6"
)
// ConnectionConfig describes which network to use when sending packets
type ConnectionConfig struct {
Name string
Address string
}
// OpenRawConnection opens a raw ip network connection based on the provided config
// use ipv6 as it also supports ipv4
func OpenRawConnection(c ConnectionConfig) (*ipv6.PacketConn, error) {
packetConn, err := net.ListenPacket(c.Name, c.Address)
if err != nil {
return nil, err
}
return ipv6.NewPacketConn(packetConn), nil
}