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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 
16 #ifndef STARTUP_TRIGER_MANAGER_H
17 #define STARTUP_TRIGER_MANAGER_H
18 #include <stdint.h>
19 
20 #include "cJSON.h"
21 #include "init_cmds.h"
22 #include "init_hashmap.h"
23 #include "list.h"
24 #include "param_message.h"
25 #include "param_utils.h"
26 #include "trigger_checker.h"
27 
28 #ifdef __cplusplus
29 #if __cplusplus
30 extern "C" {
31 #endif
32 #endif
33 
34 #define TRIGGER_CMD "trigger "
35 #define TRIGGER_ARR_NAME_IN_JSON "jobs"
36 #define CMDS_ARR_NAME_IN_JSON "cmds"
37 #define TRIGGER_MAX_CMD 4096
38 
39 #define TRIGGER_EXECUTE_QUEUE 64
40 #define MAX_CONDITION_NUMBER 64
41 
42 #define TRIGGER_FLAGS_QUEUE 0x01
43 #define TRIGGER_FLAGS_RELATED 0x02
44 #define TRIGGER_FLAGS_ONCE 0x04       // 执行完成后释放
45 #define TRIGGER_FLAGS_SUBTRIGGER 0x08 // 对init执行后,需要执行的init:xxx=aaa的trigger
46 
47 #define CMD_INDEX_FOR_PARA_WAIT 0xfffE
48 #define CMD_INDEX_FOR_PARA_WATCH 0xffff
49 #define CMD_INDEX_FOR_PARA_TEST 0x10000
50 
51 #define TRIGGER_IN_QUEUE(trigger) (((trigger)->flags & TRIGGER_FLAGS_QUEUE) == TRIGGER_FLAGS_QUEUE)
52 #define TRIGGER_SET_FLAG(trigger, flag) ((trigger)->flags |= (flag))
53 #define TRIGGER_CLEAR_FLAG(trigger, flag) ((trigger)->flags &= ~(flag))
54 #define TRIGGER_TEST_FLAG(trigger, flag) (((trigger)->flags & (flag)) == (flag))
55 
56 typedef enum {
57     TRIGGER_BOOT = 0,
58     TRIGGER_PARAM,
59     TRIGGER_UNKNOW,
60     TRIGGER_PARAM_WAIT,
61     TRIGGER_PARAM_WATCH,
62     TRIGGER_MAX,
63 } TriggerType;
64 
65 #define PARAM_TRIGGER_FOR_WAIT 0
66 #define PARAM_TRIGGER_FOR_WATCH 1
67 
68 struct tagTriggerNode_;
69 struct TriggerWorkSpace_;
70 typedef struct TriggerExtInfo_ {
71     int8_t type;
72     ParamTaskPtr stream;
73     union {
74         char *name;
75         struct {
76             uint32_t watchId;
77         } watchInfo;
78         struct {
79             uint32_t timeout;
80             uint32_t waitId;
81         } waitInfo;
82     } info;
83     int32_t (*addNode)(struct tagTriggerNode_ *, const struct TriggerExtInfo_ *);
84 } TriggerExtInfo;
85 
86 typedef struct TriggerHeader_ {
87     ListNode triggerList;
88     uint32_t triggerCount;
89     uint32_t cmdNodeCount;
90     struct tagTriggerNode_ *(*addTrigger)(const struct TriggerWorkSpace_ *workSpace,
91         const char *condition, const TriggerExtInfo *extInfo);
92     struct tagTriggerNode_ *(*nextTrigger)(const struct TriggerHeader_ *, const struct tagTriggerNode_ *);
93     int32_t (*executeTrigger)(const struct tagTriggerNode_ *trigger, const char *content, uint32_t size);
94 
95     int32_t (*checkAndMarkTrigger)(const struct TriggerWorkSpace_ *workSpace, int type, const char *name);
96     int32_t (*checkTriggerMatch)(const struct TriggerWorkSpace_ *workSpace, int type,
97         LogicCalculator *calculator, const char *content, uint32_t contentSize);
98     int32_t (*checkCondition)(LogicCalculator *calculator,
99         const char *condition, const char *content, uint32_t contentSize);
100 
101     const char *(*getTriggerName)(const struct tagTriggerNode_ *trigger);
102     const char *(*getCondition)(const struct tagTriggerNode_ *trigger);
103     void (*delTrigger)(const struct TriggerWorkSpace_ *workSpace, struct tagTriggerNode_ *trigger);
104     void (*dumpTrigger)(const struct TriggerWorkSpace_ *workSpace,
105         const struct tagTriggerNode_ *trigger);
106     int32_t (*compareData)(const struct tagTriggerNode_ *trigger, const void *data);
107 } TriggerHeader;
108 
109 typedef struct CommandNode_ {
110     struct CommandNode_ *next;
111     ConfigContext cfgContext;
112     uint32_t cmdKeyIndex;
113     char content[0];
114 } CommandNode;
115 
116 #define NODE_BASE \
117     ListNode node; \
118     uint32_t flags : 24; \
119     uint32_t type : 4; \
120     char *condition
121 
122 typedef struct tagTriggerNode_ {
123     NODE_BASE;
124 } TriggerNode;
125 
126 typedef struct tagTriggerJobNode_ {
127     NODE_BASE;
128     CommandNode *firstCmd;
129     CommandNode *lastCmd;
130     HashNode hashNode;
131     char name[0];
132 } JobNode;
133 
134 typedef struct WatchNode_ {
135     NODE_BASE;
136     ListNode item;
137     uint32_t watchId;
138 } WatchNode;
139 
140 typedef struct WaitNode_ {
141     NODE_BASE;
142     ListNode item;
143     uint32_t timeout;
144     uint32_t waitId;
145     ParamTaskPtr stream;
146 } WaitNode;
147 
148 typedef struct {
149     uint32_t queueCount;
150     uint32_t startIndex;
151     uint32_t endIndex;
152     TriggerNode **executeQueue;
153 } TriggerExecuteQueue;
154 
155 typedef struct {
156     ListHead triggerHead;
157     ParamTaskPtr stream;
158 } ParamWatcher;
159 
160 typedef struct TriggerWorkSpace_ {
161     TriggerExecuteQueue executeQueue;
162     TriggerHeader triggerHead[TRIGGER_MAX];
163     HashMapHandle hashMap;
164     ParamTaskPtr eventHandle;
165     void (*bootStateChange)(int start, const char *);
166     char cache[PARAM_NAME_LEN_MAX + PARAM_CONST_VALUE_LEN_MAX];
167 } TriggerWorkSpace;
168 
169 int InitTriggerWorkSpace(void);
170 void CloseTriggerWorkSpace(void);
171 TriggerWorkSpace *GetTriggerWorkSpace(void);
172 char *GetTriggerCache(uint32_t *size);
173 TriggerHeader *GetTriggerHeader(const TriggerWorkSpace *workSpace, int type);
174 void InitTriggerHead(const TriggerWorkSpace *workSpace);
175 
176 int CheckTrigger(TriggerWorkSpace *workSpace, int type,
177     const char *content, uint32_t contentSize, PARAM_CHECK_DONE triggerCheckDone);
178 int CheckAndMarkTrigger(int type, const char *name);
179 
180 TriggerNode *ExecuteQueuePop(TriggerWorkSpace *workSpace);
181 int ExecuteQueuePush(TriggerWorkSpace *workSpace, const TriggerNode *trigger);
182 
183 JobNode *UpdateJobTrigger(const TriggerWorkSpace *workSpace,
184     int type, const char *condition, const char *name);
185 JobNode *GetTriggerByName(const TriggerWorkSpace *workSpace, const char *triggerName);
186 void FreeTrigger(const TriggerWorkSpace *workSpace, TriggerNode *trigger);
187 void ClearTrigger(const TriggerWorkSpace *workSpace, int8_t type);
188 int AddCommand(JobNode *trigger, uint32_t cmdIndex, const char *content, const ConfigContext *cfgContext);
189 CommandNode *GetNextCmdNode(const JobNode *trigger, const CommandNode *curr);
190 
191 void PostParamTrigger(int type, const char *name, const char *value);
192 
193 void ClearWatchTrigger(ParamWatcher *watcher, int type);
194 void DelWatchTrigger(int type, const void *data);
195 int CheckWatchTriggerTimeout(void);
196 
197 const char *GetTriggerName(const TriggerNode *trigger);
198 void RegisterTriggerExec(int type, int32_t (*executeTrigger)(const TriggerNode *, const char *, uint32_t));
199 
200 #ifdef STARTUP_INIT_TEST
201 void ProcessBeforeEvent(const ParamTaskPtr stream, uint64_t eventId, const uint8_t *content, uint32_t size);
202 #endif
203 #ifdef __cplusplus
204 #if __cplusplus
205 }
206 #endif
207 #endif
208 #endif // STARTUP_TRIGER_MANAGER_H
209