| Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * net/tipc/subscr.h: Include file for TIPC subscription service |
| 3 | * |
| 4 | * Copyright (c) 2003-2005, Ericsson Research Canada |
| 5 | * Copyright (c) 2005, Wind River Systems |
| 6 | * Copyright (c) 2005-2006, Ericsson AB |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions are met: |
| 11 | * |
| 12 | * Redistributions of source code must retain the above copyright notice, this |
| 13 | * list of conditions and the following disclaimer. |
| 14 | * Redistributions in binary form must reproduce the above copyright notice, |
| 15 | * this list of conditions and the following disclaimer in the documentation |
| 16 | * and/or other materials provided with the distribution. |
| 17 | * Neither the names of the copyright holders nor the names of its |
| 18 | * contributors may be used to endorse or promote products derived from this |
| 19 | * software without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 31 | * POSSIBILITY OF SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #ifndef _TIPC_SUBSCR_H |
| 35 | #define _TIPC_SUBSCR_H |
| 36 | |
| 37 | /** |
| 38 | * struct subscription - TIPC network topology subscription object |
| 39 | * @seq: name sequence associated with subscription |
| 40 | * @timeout: duration of subscription (in ms) |
| 41 | * @filter: event filtering to be done for subscription |
| 42 | * @evt: template for events generated by subscription |
| 43 | * @subscription_list: adjacent subscriptions in subscriber's subscription list |
| 44 | * @nameseq_list: adjacent subscriptions in name sequence's subscription list |
| 45 | * @timer_ref: reference to timer governing subscription duration (may be NULL) |
| 46 | * @owner: pointer to subscriber object associated with this subscription |
| 47 | */ |
| 48 | |
| 49 | struct subscription { |
| 50 | struct tipc_name_seq seq; |
| 51 | u32 timeout; |
| 52 | u32 filter; |
| 53 | struct tipc_event evt; |
| 54 | struct list_head subscription_list; |
| 55 | struct list_head nameseq_list; |
| 56 | struct timer_list timer; |
| 57 | struct subscriber *owner; |
| 58 | }; |
| 59 | |
| 60 | int subscr_overlap(struct subscription * sub, |
| 61 | u32 found_lower, |
| 62 | u32 found_upper); |
| 63 | |
| 64 | void subscr_report_overlap(struct subscription * sub, |
| 65 | u32 found_lower, |
| 66 | u32 found_upper, |
| 67 | u32 event, |
| 68 | u32 port_ref, |
| 69 | u32 node, |
| 70 | int must_report); |
| 71 | |
| 72 | int subscr_start(void); |
| 73 | |
| 74 | void subscr_stop(void); |
| 75 | |
| 76 | |
| 77 | #endif |