1 /*
2 * Copyright (c) 2021 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 #include <ctype.h>
16 #include <unistd.h>
17 #include <time.h>
18 #include <stdlib.h>
19
20 #include "init_param.h"
21 #include "modulemgr.h"
22 #include "init_module_engine.h"
23 #include "init_cmds.h"
24 #include "securec.h"
25
26 #define MAX_COUNT 1
27 #define TEST_CMD_NAME "param_randrom_write"
28
29 #define READ_DURATION 100000
30
31 static int g_testCmdIndex = 0;
PluginParamCmdWriteParam(int id,const char * name,int argc,const char ** argv)32 static int PluginParamCmdWriteParam(int id, const char *name, int argc, const char **argv)
33 {
34 if ((argv == NULL) || (argc < 1)) {
35 return -1;
36 }
37 int maxCount = MAX_COUNT;
38 if (argc > 1) {
39 maxCount = atoi(argv[1]);
40 }
41 (void)srand((unsigned)time(NULL));
42 char buffer[32] = { 0 }; // 32 buffer size
43 int count = 0;
44 while (count < maxCount) {
45 const int wait = READ_DURATION + READ_DURATION; // 100ms
46 int ret = sprintf_s(buffer, sizeof(buffer), "%d", count);
47 if (ret > 0) {
48 SystemWriteParam(argv[0], buffer);
49 usleep(wait);
50 }
51 count++;
52 }
53 return 0;
54 }
55
MODULE_CONSTRUCTOR(void)56 MODULE_CONSTRUCTOR(void)
57 {
58 g_testCmdIndex = AddCareContextCmdExecutor(TEST_CMD_NAME, PluginParamCmdWriteParam);
59 }
60
MODULE_DESTRUCTOR(void)61 MODULE_DESTRUCTOR(void)
62 {
63 RemoveCmdExecutor(TEST_CMD_NAME, g_testCmdIndex);
64 }
65