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      1 /*
      2 Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
      3 
      4 Redistribution and use in source and binary forms, with or without
      5 modification, are permitted provided that the following conditions are
      6 met:
      7     * Redistributions of source code must retain the above copyright
      8       notice, this list of conditions and the following disclaimer.
      9     * Redistributions in binary form must reproduce the above
     10       copyright notice, this list of conditions and the following
     11       disclaimer in the documentation and/or other materials provided
     12       with the distribution.
     13     * Neither the name of The Linux Foundation nor the names of its
     14       contributors may be used to endorse or promote products derived
     15       from this software without specific prior written permission.
     16 
     17 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20 ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     24 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     25 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     26 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 */
     29 /*!
     30 	@file
     31 	IPACM_IfaceManager.h
     32 
     33 	@brief
     34 	This file implements the IPAM iface_manager definitions
     35 
     36 	@Author
     37 	Skylar Chang
     38 
     39 */
     40 #ifndef IPACM_IFACEMANAGER_H
     41 #define IPACM_IFACEMANAGER_H
     42 
     43 #include <stdio.h>
     44 #include <IPACM_CmdQueue.h>
     45 
     46 #include "IPACM_Routing.h"
     47 #include "IPACM_Filtering.h"
     48 #include "IPACM_Listener.h"
     49 #include "IPACM_Iface.h"
     50 
     51 #define IPA_INSTANCE_NOT_FOUND  0
     52 #define IPA_INSTANCE_FOUND  1
     53 
     54 /* queue */
     55 typedef struct _iface_instances
     56 {
     57     /* Linux interface id */
     58 	int ipa_if_index;
     59 	IPACM_Listener *obj;
     60 	_iface_instances *next;
     61 }  iface_instances;
     62 
     63 
     64 class IPACM_IfaceManager : public IPACM_Listener
     65 {
     66 
     67 public:
     68 
     69   IPACM_IfaceManager();
     70 
     71   void event_callback(ipa_cm_event_id event,
     72                       void *data);
     73 
     74   /* api for all iface instances to de-register instances */
     75   static int deregistr(IPACM_Listener *param);
     76 
     77 
     78 private:
     79 	int create_iface_instance(ipacm_ifacemgr_data *);
     80 
     81     /* api to register instances */
     82 	int registr(int ipa_if_index, IPACM_Listener *obj);
     83 
     84 	int SearchInstance(int ipa_if_index);
     85 
     86 	static iface_instances *head;
     87 
     88 };
     89 
     90 #endif /* IPACM_IFACEMANAGER_H */
     91