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      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 #ifndef METRICS_C_METRICS_LIBRARY_H_
     18 #define METRICS_C_METRICS_LIBRARY_H_
     19 
     20 #if defined(__cplusplus)
     21 extern "C" {
     22 #endif
     23 typedef struct CMetricsLibraryOpaque* CMetricsLibrary;
     24 
     25 // C wrapper for MetricsLibrary::MetricsLibrary.
     26 CMetricsLibrary CMetricsLibraryNew(void);
     27 
     28 // C wrapper for MetricsLibrary::~MetricsLibrary.
     29 void CMetricsLibraryDelete(CMetricsLibrary handle);
     30 
     31 // C wrapper for MetricsLibrary::Init.
     32 void CMetricsLibraryInit(CMetricsLibrary handle);
     33 
     34 // C wrapper for MetricsLibrary::SendToUMA.
     35 int CMetricsLibrarySendToUMA(CMetricsLibrary handle,
     36                              const char* name, int sample,
     37                              int min, int max, int nbuckets);
     38 
     39 // C wrapper for MetricsLibrary::SendEnumToUMA.
     40 int CMetricsLibrarySendEnumToUMA(CMetricsLibrary handle,
     41                                  const char* name, int sample, int max);
     42 
     43 // C wrapper for MetricsLibrary::SendSparseToUMA.
     44 int CMetricsLibrarySendSparseToUMA(CMetricsLibrary handle,
     45                                    const char* name, int sample);
     46 
     47 // C wrapper for MetricsLibrary::SendCrashToUMA.
     48 int CMetricsLibrarySendCrashToUMA(CMetricsLibrary handle,
     49                                   const char* crash_kind);
     50 
     51 // C wrapper for MetricsLibrary::AreMetricsEnabled.
     52 int CMetricsLibraryAreMetricsEnabled(CMetricsLibrary handle);
     53 
     54 #if defined(__cplusplus)
     55 }
     56 #endif
     57 #endif  // METRICS_C_METRICS_LIBRARY_H_
     58