1 /*
2 * Copyright (c) 2022-2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <cstdio>
17 #include <ctime>
18 #include <sys/time.h>
19 #include <sys/stat.h>
20 #include <unistd.h>
21 #include <cstdarg>
22 #include <memory>
23 #include "oh_sk_log.h"
24
25 static const char* KOALAUI_OHOS_LOG_ROOT = "/data/storage/el2/base/files/logs";
26
27 #define APPLY_LOG_FILE_PATTERN(buf, bufLen, t, ms, pid) \
28 #ifdef __STDC_LIB_EXT1__ \
29 sprintf_s(buf, bufLen, "%s/%d_%d_%d_%lld.pid%d.log", \
30 #else \
31 sprintf(buf, "%s/%d_%d_%d_%lld.pid%d.log", \
32 #endif \
33 KOALAUI_OHOS_LOG_ROOT, (t).tm_year + 1900, (t).tm_mon + 1, (t).tm_mday, (ms).tv_sec, pid)
34
oh_sk_log_type_str(oh_sk_log_type type)35 const char* oh_sk_log_type_str(oh_sk_log_type type) {
36 switch (type) {
37 case Log_Debug: return "D";
38 case Log_Info: return "I";
39 case Log_Warn: return "W";
40 case Log_Error: return "E";
41 case Log_Fatal: return "F";
42 }
43 }
44
oh_sk_file_log(oh_sk_log_type type,const char * msg,...)45 void oh_sk_file_log(oh_sk_log_type type, const char* msg, ...) {
46 time_t t = time(nullptr);
47 struct tm lt = *localtime(&t);
48 struct timeval ms{};
49 gettimeofday(&ms, nullptr);
50
51 static char* path = nullptr;
52 if (!path) {
53 size_t len = strlen(KOALAUI_OHOS_LOG_ROOT) + 100;
54 path = new char[len];
55 APPLY_LOG_FILE_PATTERN(path, len, lt, ms, getpid());
56 mkdir(KOALAUI_OHOS_LOG_ROOT, 0777);
57 }
58
59 std::unique_ptr<FILE, decltype(&fclose)> file(fopen(path, "a"), fclose);
60 if (!file) return;
61
62 fprintf(file.get(), "%02d-%02d %02d:%02d:%02d.%03lld %s koala: ",
63 lt.tm_mon + 1, lt.tm_mday, lt.tm_hour, lt.tm_min, lt.tm_sec, ms.tv_usec / 1000,
64 oh_sk_log_type_str(type));
65
66 va_list args;
67 va_start(args, msg);
68 vfprintf(file.get(), msg, args);
69 va_end(args);
70
71 fprintf(file.get(), "\n");
72 }
73