73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package structs
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import (
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"fmt"
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"net"
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plugin "github.com/hashicorp/go-plugin"
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)
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// ReattachConfig is a wrapper around plugin.ReattachConfig to better support
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// serialization
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type ReattachConfig struct {
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Protocol string
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Network string
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Addr string
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Pid int
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}
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// ReattachConfigToGoPlugin converts a ReattachConfig wrapper struct into a go
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// plugin ReattachConfig struct
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func ReattachConfigToGoPlugin(rc *ReattachConfig) (*plugin.ReattachConfig, error) {
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if rc == nil {
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return nil, fmt.Errorf("nil ReattachConfig cannot be converted")
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}
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plug := &plugin.ReattachConfig{
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Protocol: plugin.Protocol(rc.Protocol),
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Pid: rc.Pid,
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}
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switch rc.Network {
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case "tcp", "tcp4", "tcp6":
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addr, err := net.ResolveTCPAddr(rc.Network, rc.Addr)
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if err != nil {
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return nil, err
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}
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plug.Addr = addr
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case "udp", "udp4", "udp6":
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addr, err := net.ResolveUDPAddr(rc.Network, rc.Addr)
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if err != nil {
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return nil, err
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}
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plug.Addr = addr
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case "unix", "unixgram", "unixpacket":
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addr, err := net.ResolveUnixAddr(rc.Network, rc.Addr)
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if err != nil {
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return nil, err
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}
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plug.Addr = addr
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default:
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return nil, fmt.Errorf("unknown network: %s", rc.Network)
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}
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return plug, nil
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}
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// ReattachConfigFromGoPlugin converts a go plugin ReattachConfig into a
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// ReattachConfig wrapper struct
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func ReattachConfigFromGoPlugin(plug *plugin.ReattachConfig) *ReattachConfig {
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if plug == nil {
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return nil
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}
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rc := &ReattachConfig{
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Protocol: string(plug.Protocol),
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Network: plug.Addr.Network(),
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Addr: plug.Addr.String(),
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Pid: plug.Pid,
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}
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return rc
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}
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