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_CmdQueue.h 32 33 @brief 34 This file implements the IPAM Comment Queue definitions 35 36 @Author 37 38 */ 39 #ifndef IPA_CONNTRACK_MESSAGE_H 40 #define IPA_CONNTRACK_MESSAGE_H 41 42 #include <pthread.h> 43 #include "IPACM_Defs.h" 44 45 46 47 /*--------------------------------------------------------------------------- 48 Event data required by IPA_CM 49 ---------------------------------------------------------------------------*/ 50 51 52 typedef struct _ipacm_cmd_q_data { 53 ipa_cm_event_id event; 54 void *evt_data; 55 }ipacm_cmd_q_data; 56 57 typedef struct cmd_s 58 { 59 void (*callback_ptr)(ipacm_cmd_q_data *); 60 ipacm_cmd_q_data data; 61 }cmd_t; 62 63 class Message 64 { 65 private: 66 Message *m_next; 67 68 public: 69 cmd_t evt; 70 Message()71 Message() 72 { 73 m_next = NULL; 74 evt.callback_ptr = NULL; 75 } ~Message()76 ~Message() { } setnext(Message * item)77 void setnext(Message *item) { m_next = item; } getnext()78 Message* getnext() { return m_next; } 79 }; 80 81 class MessageQueue 82 { 83 84 private: 85 Message *Head; 86 Message *Tail; 87 Message* dequeue(void); 88 static MessageQueue *inst_internal; 89 static MessageQueue *inst_external; 90 MessageQueue()91 MessageQueue() 92 { 93 Head = NULL; 94 Tail = NULL; 95 } 96 97 public: 98 ~MessageQueue()99 ~MessageQueue() { } 100 void enqueue(Message *item); 101 102 static void* Process(void *); 103 static MessageQueue* getInstanceInternal(); 104 static MessageQueue* getInstanceExternal(); 105 106 }; 107 108 #endif /* IPA_CONNTRACK_MESSAGE_H */ 109 110