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