aboutsummaryrefslogtreecommitdiffstats
path: root/afb-source/ctl-binding.h
blob: 0d16e566999e979b4263fa2799a672ec36a443cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 * Copyright (C) 2016 "IoT.bzh"
 * Author Fulup Ar Foll <fulup@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef CONTROLLER_BINDING_INCLUDE
#define CONTROLLER_BINDING_INCLUDE

#define AFB_BINDING_VERSION 2
#include <afb/afb-binding.h>
#include <json-c/json.h>
#include <systemd/sd-event.h>
#include "filescan-utils.h"
#include "wrap-json.h"

#ifdef CONTROL_SUPPORT_LUA
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#endif

#ifndef PUBLIC
  #define PUBLIC
#endif
#define STATIC static

#ifndef UNUSED_ARG
#define UNUSED_ARG(x) UNUSED_ ## x __attribute__((__unused__))
#define UNUSED_FUNCTION(x) __attribute__((__unused__)) UNUSED_ ## x
#endif

// polctl-binding.c
PUBLIC int CtlBindingInit ();

// ctl-timerevt.c
// ----------------------
typedef int (*timerCallbackT)(void *context);

typedef struct TimerHandleS {
    int count;
    int delay;
    const char*label;
    void *context;
    timerCallbackT callback;
    sd_event_source *evtSource;
} TimerHandleT;

PUBLIC int TimerEvtInit (void);
PUBLIC afb_event TimerEvtGet(void);
PUBLIC void TimerEvtStart(TimerHandleT *timerHandle, timerCallbackT callback, void *context);
PUBLIC void TimerEvtStop(TimerHandleT *timerHandle);

// ctl-policy
// -----------

typedef enum {
    CTL_MODE_NONE=0,
    CTL_MODE_API,
    CTL_MODE_CB,
    CTL_MODE_LUA,        
} CtlRequestModeT;


typedef enum {
    CTL_SOURCE_CLOSE=-1,
    CTL_SOURCE_UNKNOWN=0,
    CTL_SOURCE_ONLOAD=1,
    CTL_SOURCE_OPEN=2,
    CTL_SOURCE_EVENT=3,
} DispatchSourceT;

typedef struct DispatchActionS{
    const char *info;
    const char* label;
    CtlRequestModeT mode;
    const char* api;
    const char* call;
    json_object *argsJ;
    int timeout;
    int (*actionCB)(DispatchSourceT source, const char*label,  json_object *argsJ, json_object *queryJ, void *context);
} DispatchActionT;

typedef int (*Lua2cFunctionT)(char *funcname, json_object *argsJ, void*context);

PUBLIC int  DispatchInit(void);
PUBLIC int DispatchOnLoad(const char *onLoadLabel);
PUBLIC void DispatchOneEvent(const char *evtLabel, json_object *eventJ);
PUBLIC int DispatchOneL2c(lua_State* luaState, char *funcname, Lua2cFunctionT callback);
PUBLIC void ctlapi_dispatch (afb_req request);

#ifdef CONTROL_SUPPORT_LUA
// ctl-lua.c
typedef int (*Lua2cWrapperT) (lua_State* luaState, char *funcname, Lua2cFunctionT callback);

#define CTLP_LUA2C(FuncName, label,argsJ, context) static int FuncName(char*label,json_object*argsJ, void*context);\
        int lua2c_ ## FuncName(lua_State* luaState){return((*Lua2cWrap)(luaState, MACRO_STR_VALUE(FuncName), FuncName));};\
        static int FuncName(char* label, json_object* argsJ, void* context)

typedef enum {
    LUA_DOCALL,
    LUA_DOSTRING,
    LUA_DOSCRIPT,
} LuaDoActionT;

PUBLIC int LuaLibInit ();
PUBLIC void LuaL2cNewLib(const char *label, luaL_Reg *l2cFunc, int count);
PUBLIC int Lua2cWrapper(lua_State* luaState, char *funcname, Lua2cFunctionT callback, void *context);
PUBLIC int LuaCallFunc (DispatchSourceT source, DispatchActionT *action, json_object *queryJ) ;
PUBLIC void ctlapi_lua_docall (afb_req request);
PUBLIC void ctlapi_lua_dostring (afb_req request);
PUBLIC void ctlapi_lua_doscript (afb_req request);

#else
 typedef void* Lua2cWrapperT;
#endif // CONTROL_SUPPORT_LUA


// sharelib ctl-plugin*
typedef struct {
  long  magic;  
  char *label;  
} CtlPluginMagicT;


#define MACRO_STR_VALUE(arg) #arg
#define CTLP_REGISTER(pluglabel) CtlPluginMagicT CtlPluginMagic={.magic=CTL_PLUGIN_MAGIC,.label=pluglabel}; struct afb_binding_data_v2; Lua2cWrapperT Lua2cWrap;
#define CTLP_ONLOAD(label,version,info) void* CtlPluginOnload(char* label, char* version, char* info) 
#define CTLP_CAPI(funcname,source, label,argsJ, queryJ, context) int funcname(DispatchSourceT source, char* label, json_object* argsJ, json_object* queryJ, void* context)



#endif // CONTROLLER_BINDING_INCLUDE