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
|
/*
* Copyright (C) 2015 "IoT.bzh"
* Author "Fulup Ar Foll"
*
* 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.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <json.h>
#include "afb-plugin.h"
// Dummy sample of Client Application Context
typedef struct {
int something;
void *whateveryouwant;
} MyClientApplicationHandle;
// Request Creation of new context if it does not exist
static void clientContextCreate (struct afb_req request)
{
json_object *jresp;
// add an application specific client context to session
request.context = malloc (sizeof (MyClientApplicationHandle));
// Send response to UI
jresp = json_object_new_object();
json_object_object_add(jresp, "token", json_object_new_string ("A New Token and Session Context Was Created"));
afb_req_success(request, jresp, NULL);
}
// Before entering here token will be check and renew
static void clientContextRefresh (struct afb_req request) {
json_object *jresp;
jresp = json_object_new_object();
json_object_object_add(jresp, "token", json_object_new_string ("Token was refreshed"));
afb_req_success(request, jresp, NULL);
}
// Session token will we verified before entering here
static void clientContextCheck (struct afb_req request) {
json_object *jresp = json_object_new_object();
json_object_object_add(jresp, "isvalid", json_object_new_boolean (TRUE));
afb_req_success(request, jresp, NULL);
}
// Close and Free context
static void clientContextReset (struct afb_req request) {
json_object *jresp;
/* after this call token will be reset
* - no further access to API will be possible
* - every context from any used plugin will be freed
*/
jresp = json_object_new_object();
json_object_object_add(jresp, "info", json_object_new_string ("Token and all resources are released"));
// WARNING: if you free context resource manually here do not forget to set *request.context=NULL;
afb_req_success(request, jresp, NULL);
}
// Close and Free context
static void clientGetPing (struct afb_req request) {
static int count=0;
json_object *jresp;
jresp = json_object_new_object();
json_object_object_add(jresp, "count", json_object_new_int (count ++));
afb_req_success(request, jresp, NULL);
}
// This function is call when Client Session Context is removed
// Note: when freeCtxCB==NULL standard free/malloc is called
static void clientContextFree(void *context) {
fprintf (stderr,"Plugin[token] Closing Session\n");
free (context);
}
static const struct AFB_restapi pluginApis[]= {
{"ping" , AFB_SESSION_NONE , clientGetPing ,"Ping Rest Test Service"},
{"create" , AFB_SESSION_CREATE, clientContextCreate ,"Request Client Context Creation"},
{"refresh" , AFB_SESSION_RENEW , clientContextRefresh,"Refresh Client Context Token"},
{"check" , AFB_SESSION_CHECK , clientContextCheck ,"Check Client Context Token"},
{"reset" , AFB_SESSION_CLOSE , clientContextReset ,"Close Client Context and Free resources"},
{NULL}
};
static const struct AFB_plugin plugin_desc = {
.type = AFB_PLUGIN_JSON,
.info = "Application Framework Binder Service",
.prefix = "token",
.apis = pluginApis,
.freeCtxCB = clientContextFree
};
const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
{
return &plugin_desc;
}
|
