1 /*
2 * Copyright (c) 2020 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 <fcntl.h>
17 #include <securec.h>
18 #include <unistd.h>
19 #include <time.h>
20
21 #include "hilog_command.h"
22
23 #define HILOG_DRIVER "/dev/hilog"
24 #define HILOG_LOGBUFFER 1024
25
26 #undef LOG_TAG
27 #define LOG_TAG "hilogcat"
28
main(int argc,char * argv[])29 int main(int argc, char *argv[])
30 {
31 int ret;
32 bool printFlag = true;
33 if (argc > 1) {
34 ret = HilogCmdProc(LOG_TAG, argc, argv);
35 if (ret == -1 || g_hiviewConfig.silenceMod == SILENT_MODE_ON) {
36 return 0;
37 }
38 }
39 int fd = open(HILOG_DRIVER, O_RDONLY);
40 if (fd < 0) {
41 HILOG_ERROR(LOG_CORE, "open hilog driver failed\n");
42 return 0;
43 }
44 char *buf = malloc(HILOG_LOGBUFFER);
45 if (buf == NULL) {
46 close(fd);
47 return 0;
48 }
49 while (1) {
50 (void)memset_s(buf, HILOG_LOGBUFFER, 0, HILOG_LOGBUFFER);
51 ret = read(fd, buf, HILOG_LOGBUFFER);
52 if (ret < sizeof(struct HiLogEntry)) {
53 continue;
54 }
55 struct HiLogEntry *head = (struct HiLogEntry *)buf;
56
57 time_t rawtime;
58 struct tm *info = NULL;
59 struct tm nowTime = {0};
60 unsigned int sec = head->sec;
61 rawtime = (time_t)sec;
62 /* Get local time */
63 info = localtime_r(&rawtime, &nowTime);
64
65 printFlag = FilterLevelLog(g_hiviewConfig.level, *(head->msg));
66 if (!printFlag) {
67 continue;
68 }
69 #define MODULE_OFFSET 2
70 printFlag = FilterModuleLog(g_hiviewConfig.logOutputModule, (head->msg) + MODULE_OFFSET);
71 if (!printFlag) {
72 continue;
73 }
74 if (info == NULL) {
75 continue;
76 }
77 buf[HILOG_LOGBUFFER - 1] = '\0';
78 printf("%02d-%02d %02d:%02d:%02d.%03d %d %d %s\n", info->tm_mon + 1, info->tm_mday, info->tm_hour, info->tm_min,
79 info->tm_sec, head->nsec / NANOSEC_PER_MIRCOSEC, head->pid, head->taskId, head->msg);
80 }
81 free(buf);
82 close(fd);
83 return 0;
84 }
85