| /* |
| * |
| * Copyright (c) 2016-2017 Nest Labs, Inc. |
| * All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file |
| * This file declares the Weave API to collect statistics |
| * on the state of Weave, Inet and System resources |
| */ |
| |
| #ifndef SYSTEMSTATS_H |
| #define SYSTEMSTATS_H |
| // Include standard C library limit macros |
| #ifndef __STDC_LIMIT_MACROS |
| #define __STDC_LIMIT_MACROS |
| #endif |
| #include <stdint.h> |
| |
| // Include configuration headers |
| #include <SystemLayer/SystemConfig.h> |
| |
| // Include dependent headers |
| #include <Weave/Support/NLDLLUtil.h> |
| |
| namespace nl { |
| namespace Weave { |
| namespace System { |
| namespace Stats { |
| |
| enum |
| { |
| kSystemLayer_NumPacketBufs, |
| kSystemLayer_NumTimers, |
| kInetLayer_NumRawEps, |
| kInetLayer_NumTCPEps, |
| kInetLayer_NumUDPEps, |
| kInetLayer_NumTunEps, |
| kInetLayer_NumDNSResolvers, |
| kExchangeMgr_NumContexts, |
| kExchangeMgr_NumUMHandlers, |
| kMessageLayer_NumConnections, |
| kServiceMgr_NumRequests, |
| kWDMClient_NumViews, |
| kWDMClient_NumSubscribes, |
| kWDMClient_NumUpdates, |
| kWDMClient_NumCancels, |
| kWDMClient_NumBindings, |
| kWDMClient_NumTransactions, |
| kWDMNext_NumBindings, |
| kWDMNext_NumTraits, |
| kWDMNext_NumSubscriptionClients, |
| kWDMNext_NumSubscriptionHandlers, |
| kWDMNext_NumCommands, |
| |
| kNumEntries |
| }; |
| |
| typedef int32_t count_t; |
| |
| extern count_t ResourcesInUse[kNumEntries]; |
| extern count_t HighWatermarks[kNumEntries]; |
| |
| class Snapshot |
| { |
| public: |
| |
| count_t mResourcesInUse[kNumEntries]; |
| count_t mHighWatermarks[kNumEntries]; |
| }; |
| |
| bool Difference(Snapshot &result, Snapshot &after, Snapshot &before); |
| void UpdateSnapshot(Snapshot &aSnapshot); |
| count_t *GetResourcesInUse(void); |
| count_t *GetHighWatermarks(void); |
| const char **GetStrings(void); |
| |
| } // namespace Stats |
| } // namespace System |
| } // namespace Weave |
| } // namespace nl |
| |
| #if WEAVE_SYSTEM_CONFIG_PROVIDE_STATISTICS |
| |
| #define SYSTEM_STATS_INCREMENT(entry) \ |
| do { \ |
| nl::Weave::System::Stats::count_t new_value = ++(nl::Weave::System::Stats::GetResourcesInUse()[entry]); \ |
| if (nl::Weave::System::Stats::GetHighWatermarks()[entry] < new_value) \ |
| { \ |
| nl::Weave::System::Stats::GetHighWatermarks()[entry] = new_value; \ |
| } \ |
| } while (0); |
| |
| #define SYSTEM_STATS_DECREMENT(entry) \ |
| do { \ |
| nl::Weave::System::Stats::GetResourcesInUse()[entry]--; \ |
| } while (0); |
| |
| #define SYSTEM_STATS_DECREMENT_BY_N(entry, count) \ |
| do { \ |
| nl::Weave::System::Stats::GetResourcesInUse()[entry] -= (count); \ |
| } while (0); |
| |
| #define SYSTEM_STATS_SET(entry, count) \ |
| do { \ |
| nl::Weave::System::Stats::count_t new_value = nl::Weave::System::Stats::GetResourcesInUse()[entry] = (count); \ |
| if (nl::Weave::System::Stats::GetHighWatermarks()[entry] < new_value) \ |
| { \ |
| nl::Weave::System::Stats::GetHighWatermarks()[entry] = new_value; \ |
| } \ |
| } while (0); |
| |
| #define SYSTEM_STATS_RESET(entry) \ |
| do { \ |
| nl::Weave::System::Stats::GetResourcesInUse()[entry] = 0; \ |
| } while (0); |
| |
| |
| |
| #else // WEAVE_SYSTEM_CONFIG_PROVIDE_STATISTICS |
| |
| #define SYSTEM_STATS_INCREMENT(entry) |
| |
| #define SYSTEM_STATS_DECREMENT(entry) |
| |
| #define SYSTEM_STATS_DECREMENT_BY_N(entry, count) |
| |
| #define SYSTEM_STATS_RESET(entry) |
| |
| #endif // WEAVE_SYSTEM_CONFIG_PROVIDE_STATISTICS |
| |
| #endif // defined(SYSTEMSTATS_H) |