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/shared/pal_system_api.h"
18
19 #include <cstdarg>
20 #include <cstdio>
21
22 #include "chre/pal/system.h"
23 #include "chre/platform/log.h"
24 #include "chre/platform/memory.h"
25 #include "chre/platform/system_time.h"
26
27 //! Define a format string for PAL logs. This is defined as a macro so that it
28 //! can be used as a string literal by platform implementations of the logging
29 //! macros.
30 #define PAL_LOG_FORMAT_STR "PAL: %s"
31
32 namespace chre {
33
palSystemApiGetCurrentTime()34 uint64_t palSystemApiGetCurrentTime() {
35 return SystemTime::getMonotonicTime().toRawNanoseconds();
36 }
37
palSystemApiLog(enum chreLogLevel level,const char * formatStr,...)38 void palSystemApiLog(enum chreLogLevel level, const char *formatStr, ...) {
39 char logBuf[512];
40 va_list args;
41
42 va_start(args, formatStr);
43 vsnprintf(logBuf, sizeof(logBuf), formatStr, args);
44 va_end(args);
45
46 switch (level) {
47 case CHRE_LOG_ERROR:
48 LOGE(PAL_LOG_FORMAT_STR, logBuf);
49 break;
50 case CHRE_LOG_WARN:
51 LOGW(PAL_LOG_FORMAT_STR, logBuf);
52 break;
53 case CHRE_LOG_INFO:
54 LOGI(PAL_LOG_FORMAT_STR, logBuf);
55 break;
56 case CHRE_LOG_DEBUG:
57 default:
58 LOGD(PAL_LOG_FORMAT_STR, logBuf);
59 }
60 }
61
62 // Initialize the CHRE System API with function implementations provided above.
63 const chrePalSystemApi gChrePalSystemApi = {
64 CHRE_PAL_SYSTEM_API_CURRENT_VERSION, /* version */
65 palSystemApiGetCurrentTime, /* getCurrentTime */
66 palSystemApiLog, /* log */
67 palSystemApiMemoryAlloc, /* memoryAlloc */
68 palSystemApiMemoryFree, /* memoryFree */
69 };
70
71 } // namespace chre
72
