| 1 | /* |
| 2 | * Copyright (c) 2015-2017, Intel Corporation |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * * Redistributions of source code must retain the above copyright notice, |
| 8 | * this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * * Neither the name of Intel Corporation nor the names of its contributors |
| 13 | * may be used to endorse or promote products derived from this software |
| 14 | * without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | /** \file |
| 30 | * \brief QueueIndexFactory used to hand out NFA queues at compile time. |
| 31 | */ |
| 32 | #ifndef UTIL_QUEUE_INDEX_FACTORY_H |
| 33 | #define UTIL_QUEUE_INDEX_FACTORY_H |
| 34 | |
| 35 | #include "ue2common.h" |
| 36 | #include "util/noncopyable.h" |
| 37 | |
| 38 | namespace ue2 { |
| 39 | |
| 40 | class QueueIndexFactory : noncopyable { |
| 41 | public: |
| 42 | QueueIndexFactory() : val(0) {} |
| 43 | u32 get_queue() { return val++; } |
| 44 | u32 allocated_count() const { return val; } |
| 45 | |
| 46 | private: |
| 47 | u32 val; |
| 48 | }; |
| 49 | |
| 50 | } // namespace ue2 |
| 51 | |
| 52 | #endif // UTIL_QUEUE_INDEX_FACTORY_H |
| 53 | |