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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* 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, something express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Reference:
* Json load using json_unpack https://jansson.readthedocs.io/en/2.9/apiref.html#parsing-and-validating-values
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include "ctl-config.h"
PUBLIC int ActionLabelToIndex(CtlActionT*actions, const char* actionLabel) {
for (int idx = 0; actions[idx].label; idx++) {
if (!strcasecmp(actionLabel, actions[idx].label)) return idx;
}
return -1;
}
PUBLIC void ActionExecOne(CtlSourceT *source, CtlActionT* action, json_object *queryJ) {
int err;
switch (action->type) {
case CTL_TYPE_API:
{
json_object *returnJ;
// if query is empty increment usage count and pass args
if (!queryJ || json_object_get_type(queryJ) != json_type_object) {
json_object_get(action->argsJ);
queryJ = action->argsJ;
} else if (action->argsJ) {
// Merge queryJ and argsJ before sending request
if (json_object_get_type(action->argsJ) == json_type_object) {
json_object_object_foreach(action->argsJ, key, val) {
json_object_object_add(queryJ, key, val);
}
} else {
json_object_object_add(queryJ, "args", action->argsJ);
}
}
json_object_object_add(queryJ, "label", json_object_new_string(source->label));
int err = AFB_ServiceSync(action->api, action->exec.subcall.api, action->exec.subcall.verb, queryJ, &returnJ);
if (err) {
AFB_ApiError(action->api, "ActionExecOne(AppFw) label=%s api=%s verb=%s args=%s", source->label, action->exec.subcall.api, action->exec.subcall.verb, json_object_get_string(action->argsJ));
}
break;
}
#ifdef CONTROL_SUPPORT_LUA
case CTL_TYPE_LUA:
err = LuaCallFunc(source, action, queryJ);
if (err) {
AFB_ApiError(action->api, "ActionExecOne(Lua) label=%s func=%s args=%s", source->label, action->exec.lua.funcname, json_object_get_string(action->argsJ));
}
break;
#endif
case CTL_TYPE_CB:
err = (*action->exec.cb.callback) (source, action->argsJ, queryJ);
if (err) {
AFB_ApiError(action->api, "ActionExecOne(Callback) label%s plugin=%s function=%s args=%s", source->label, action->exec.cb.plugin->label, action->exec.cb.funcname, json_object_get_string(action->argsJ));
}
break;
default:
{
AFB_ApiError(action->api, "ActionExecOne(unknown) API type label=%s", source->label);
break;
}
}
}
// Direct Request Call in APIV3
#ifdef AFB_BINDING_PREV3
STATIC void ActionDynRequest (AFB_ReqT request) {
// retrieve action handle from request and execute the request
json_object *queryJ = afb_request_json(request);
CtlActionT* action = (CtlActionT*)afb_request_get_vcbdata(request);
CtlSourceT source;
source.label = action->label;
source.request = request;
source.api = action->api;
// provide request and execute the action
ActionExecOne(&source, action, queryJ);
}
#endif
// unpack individual action object
PUBLIC int ActionLoadOne(AFB_ApiT apiHandle, CtlActionT *action, json_object *actionJ, int exportApi) {
int err, modeCount = 0;
json_object *callbackJ=NULL, *luaJ=NULL, *subcallJ=NULL;
err = wrap_json_unpack(actionJ, "{ss,s?s,s?o,s?o,s?o,s?o !}"
, "label", &action->label, "info", &action->info, "callback", &callbackJ, "lua", &luaJ, "subcall", &subcallJ, "args", &action->argsJ);
if (err) {
AFB_ApiError(apiHandle,"ACTION-LOAD-ONE Action missing label|[info]|[callback]|[lua]|[subcall]|[args] in:\n-- %s", json_object_get_string(actionJ));
goto OnErrorExit;
}
// save per action api handle
action->api = apiHandle;
// in API V3 each control is optionally map to a verb
#ifdef AFB_BINDING_PREV3
if (apiHandle && exportApi) {
err = afb_dynapi_add_verb(apiHandle, action->label, action->info, ActionDynRequest, action, NULL, 0);
if (err) {
AFB_ApiError(apiHandle,"ACTION-LOAD-ONE fail to register API verb=%s", action->label);
goto OnErrorExit;
}
action->api = apiHandle;
}
#endif
if (luaJ) {
modeCount++;
action->type = CTL_TYPE_LUA;
err = wrap_json_unpack(luaJ, "{s?s,s:s !}", "load", &action->exec.lua.load, "func", &action->exec.lua.funcname);
if (err) {
AFB_ApiError(apiHandle,"ACTION-LOAD-ONE Lua missing [load]|func in:\n-- %s", json_object_get_string(luaJ));
goto OnErrorExit;
}
}
if (subcallJ) {
modeCount++;
action->type = CTL_TYPE_API;
err = wrap_json_unpack(luaJ, "{s?s,s:s !}", "api", &action->exec.subcall.api, "verb", &action->exec.subcall.verb);
if (err) {
AFB_ApiError(apiHandle,"ACTION-LOAD-ONE Subcall missing [load]|func in:\n-- %s", json_object_get_string(luaJ));
goto OnErrorExit;
}
}
if (callbackJ) {
modeCount++;
action->type = CTL_TYPE_CB;
modeCount++;
err = PluginGetCB (apiHandle, action, callbackJ);
if (err) goto OnErrorExit;
}
// make sure at least one mode is selected
if (modeCount == 0) {
AFB_ApiError(apiHandle,"ACTION-LOAD-ONE No Action Selected lua|callback|(api+verb) in %s", json_object_get_string(actionJ));
goto OnErrorExit;
}
if (modeCount > 1) {
AFB_ApiError(apiHandle,"ACTION-LOAD-ONE:ToMany arguments lua|callback|(api+verb) in %s", json_object_get_string(actionJ));
goto OnErrorExit;
}
return 0;
OnErrorExit:
return 1;
};
PUBLIC CtlActionT *ActionConfig(AFB_ApiT apiHandle, json_object *actionsJ, int exportApi) {
int err;
CtlActionT *actions;
// action array is close with a nullvalue;
if (json_object_get_type(actionsJ) == json_type_array) {
int count = json_object_array_length(actionsJ);
actions = calloc(count + 1, sizeof (CtlActionT));
for (int idx = 0; idx < count; idx++) {
json_object *actionJ = json_object_array_get_idx(actionsJ, idx);
err = ActionLoadOne(apiHandle, &actions[idx], actionJ, exportApi);
if (err) goto OnErrorExit;
}
} else {
actions = calloc(2, sizeof (CtlActionT));
err = ActionLoadOne(apiHandle, &actions[0], actionsJ, exportApi);
if (err) goto OnErrorExit;
}
return actions;
OnErrorExit:
return NULL;
}
|
