1 /*
2 * Copyright (C) 2017 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 #include "chre/platform/assert.h"
18 #include "chre/platform/log.h"
19 #ifdef CHRE_USE_BUFFERED_LOGGING
20 #include "chre/platform/shared/log_buffer_manager.h"
21 #endif
22 #include "chre/util/macros.h"
23 #include "chre_api/chre/re.h"
24
25 #ifdef CHRE_USE_FARF_LOGGING
logToFarf(enum chreLogLevel level,const char * logStr)26 inline void logToFarf(enum chreLogLevel level, const char *logStr) {
27 switch (level) {
28 case CHRE_LOG_ERROR:
29 LOGE(logStr);
30 break;
31 case CHRE_LOG_WARN:
32 LOGW(logStr);
33 break;
34 case CHRE_LOG_INFO:
35 LOGI(logStr);
36 break;
37 case CHRE_LOG_DEBUG:
38 default:
39 LOGD(logStr);
40 }
41 }
42
43 #elif !defined(CHRE_USE_BUFFERED_LOGGING)
chreLogLevelToAshLogLevel(enum chreLogLevel level)44 inline ashLogLevel chreLogLevelToAshLogLevel(enum chreLogLevel level) {
45 enum ashLogLevel ashLevel;
46 switch (level) {
47 case CHRE_LOG_ERROR:
48 ashLevel = ASH_LOG_ERROR;
49 break;
50 case CHRE_LOG_WARN:
51 ashLevel = ASH_LOG_WARN;
52 break;
53 case CHRE_LOG_INFO:
54 ashLevel = ASH_LOG_INFO;
55 break;
56 case CHRE_LOG_DEBUG:
57 default:
58 ashLevel = ASH_LOG_DEBUG;
59 }
60 return ashLevel;
61 }
62 #endif // !defined(CHRE_USE_BUFFERED_LOGGING)
63
chreLog(enum chreLogLevel level,const char * formatStr,...)64 DLL_EXPORT void chreLog(enum chreLogLevel level, const char *formatStr, ...) {
65 va_list args;
66
67 va_start(args, formatStr);
68 #ifdef CHRE_USE_BUFFERED_LOGGING
69 CHRE_ASSERT(chre::LogBufferManagerSingleton::isInitialized());
70 chre::LogBufferManagerSingleton::get()->logVa(level, formatStr, args);
71 #elif defined(CHRE_USE_FARF_LOGGING)
72 // The same size is used in the implmentation of ashVaLog().
73 constexpr size_t kDebugMaxLogEntrySize = 128;
74 // FARF doesn't provide a method that takes va_list as an input so write the
75 // string to a buffer before logging so it can be passed to the LOGX methods.
76 char logBuf[kDebugMaxLogEntrySize];
77 vsnprintf(logBuf, sizeof(logBuf), formatStr, args);
78 logToFarf(level, logBuf);
79 #else // CHRE_USE_FARF_LOGGING
80 ashVaLog(ASH_SOURCE_CHRE, chreLogLevelToAshLogLevel(level), formatStr, args);
81 #endif // CHRE_USE_FARF_LOGGING
82 va_end(args);
83 }
84