github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/overlord/ifacestate/hooks.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016-2018 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package ifacestate
    21  
    22  import (
    23  	"regexp"
    24  
    25  	"github.com/snapcore/snapd/overlord/hookstate"
    26  )
    27  
    28  type interfaceHookHandler struct {
    29  	context *hookstate.Context
    30  }
    31  
    32  func (h *interfaceHookHandler) Before() error {
    33  	return nil
    34  }
    35  
    36  func (h *interfaceHookHandler) Done() error {
    37  	return nil
    38  }
    39  
    40  func (h *interfaceHookHandler) Error(err error) error {
    41  	return nil
    42  }
    43  
    44  // setupHooks sets hooks of InterfaceManager up
    45  func setupHooks(hookMgr *hookstate.HookManager) {
    46  	gen := func(context *hookstate.Context) hookstate.Handler {
    47  		return &interfaceHookHandler{context: context}
    48  	}
    49  
    50  	hookMgr.Register(regexp.MustCompile("^prepare-plug-[-a-z0-9]+$"), gen)
    51  	hookMgr.Register(regexp.MustCompile("^prepare-slot-[-a-z0-9]+$"), gen)
    52  	hookMgr.Register(regexp.MustCompile("^unprepare-plug-[-a-z0-9]+$"), gen)
    53  	hookMgr.Register(regexp.MustCompile("^unprepare-slot-[-a-z0-9]+$"), gen)
    54  	hookMgr.Register(regexp.MustCompile("^connect-plug-[-a-z0-9]+$"), gen)
    55  	hookMgr.Register(regexp.MustCompile("^connect-slot-[-a-z0-9]+$"), gen)
    56  	hookMgr.Register(regexp.MustCompile("^disconnect-plug-[-a-z0-9]+$"), gen)
    57  	hookMgr.Register(regexp.MustCompile("^disconnect-slot-[-a-z0-9]+$"), gen)
    58  }