1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 //
18 // C wrapper to libmetrics
19 //
20 
21 #include "metrics/c_metrics_library.h"
22 
23 #include <string>
24 
25 #include "metrics/metrics_library.h"
26 
CMetricsLibraryNew(void)27 extern "C" CMetricsLibrary CMetricsLibraryNew(void) {
28   MetricsLibrary* lib = new MetricsLibrary;
29   return reinterpret_cast<CMetricsLibrary>(lib);
30 }
31 
CMetricsLibraryDelete(CMetricsLibrary handle)32 extern "C" void CMetricsLibraryDelete(CMetricsLibrary handle) {
33   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
34   delete lib;
35 }
36 
CMetricsLibraryInit(CMetricsLibrary handle)37 extern "C" void CMetricsLibraryInit(CMetricsLibrary handle) {
38   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
39   if (lib != NULL)
40     lib->Init();
41 }
42 
CMetricsLibrarySendToUMA(CMetricsLibrary handle,const char * name,int sample,int min,int max,int nbuckets)43 extern "C" int CMetricsLibrarySendToUMA(CMetricsLibrary handle,
44                                         const char* name, int sample,
45                                         int min, int max, int nbuckets) {
46   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
47   if (lib == NULL)
48     return 0;
49   return lib->SendToUMA(std::string(name), sample, min, max, nbuckets);
50 }
51 
CMetricsLibrarySendEnumToUMA(CMetricsLibrary handle,const char * name,int sample,int max)52 extern "C" int CMetricsLibrarySendEnumToUMA(CMetricsLibrary handle,
53                                             const char* name, int sample,
54                                             int max) {
55   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
56   if (lib == NULL)
57     return 0;
58   return lib->SendEnumToUMA(std::string(name), sample, max);
59 }
60 
CMetricsLibrarySendSparseToUMA(CMetricsLibrary handle,const char * name,int sample)61 extern "C" int CMetricsLibrarySendSparseToUMA(CMetricsLibrary handle,
62                                               const char* name, int sample) {
63   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
64   if (lib == NULL)
65     return 0;
66   return lib->SendSparseToUMA(std::string(name), sample);
67 }
68 
CMetricsLibrarySendCrashToUMA(CMetricsLibrary handle,const char * crash_kind)69 extern "C" int CMetricsLibrarySendCrashToUMA(CMetricsLibrary handle,
70                                             const char* crash_kind) {
71   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
72   if (lib == NULL)
73     return 0;
74   return lib->SendCrashToUMA(crash_kind);
75 }
76 
CMetricsLibraryAreMetricsEnabled(CMetricsLibrary handle)77 extern "C" int CMetricsLibraryAreMetricsEnabled(CMetricsLibrary handle) {
78   MetricsLibrary* lib = reinterpret_cast<MetricsLibrary*>(handle);
79   if (lib == NULL)
80     return 0;
81   return lib->AreMetricsEnabled();
82 }
83