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
|
/*
* Copyright (C) 2016-2018 "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.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <json-c/json.h>
#define AFB_BINDING_VERSION 3
#include <afb/afb-binding.h>
static afb_event_t event;
static void pingSample(afb_req_t request)
{
static int pingcount = 0;
int listeners = 0;
if(afb_event_is_valid(event))
listeners = afb_event_push(event, json_object_new_int(pingcount));
afb_req_success_f(request, json_object_new_int(pingcount), "Ping count = %d, Event listeners = %d", pingcount, listeners);
AFB_API_NOTICE(afbBindingV3root, "Verbosity macro at level notice invoked at ping invocation, count = %d, event listeners = %d", pingcount, listeners);
pingcount++;
}
static void subscribeSample(afb_req_t request)
{
// Event not valid ? then creating one.
if(! afb_event_is_valid(event))
event = afb_api_make_event(request->api, "PingCount");
if(afb_req_subscribe(request, event) < 0) {
afb_req_fail(request, "Error", "Subscription operation failed");
return;
}
afb_req_success(request, NULL, NULL);
AFB_API_NOTICE(request->api, "Verbosity macro at level notice invoked at subscribe invocation");
}
static void unsubscribeSample(afb_req_t request)
{
if(! afb_event_is_valid(event)) {
afb_req_fail(request, "Invalid", "Event not valid");
return;
}
if(afb_req_unsubscribe(request, event) < 0) {
afb_req_fail(request, "Error", "Unsubscription operation failed");
return;
}
afb_req_success(request, NULL, NULL);
AFB_API_NOTICE(request->api, "Verbosity macro at level notice invoked at unsubscribe invocation");
}
// testArgsSample - return success only if argument is set to {"cezam": "open"}
static void testArgsSample(afb_req_t request)
{
json_object *tmpJ;
json_object *res = json_object_new_object();
json_object *queryJ = afb_req_json(request);
json_bool success = json_object_object_get_ex(queryJ, "cezam", &tmpJ);
if (!success) {
afb_req_fail_f(request, "ERROR", "key cezam not found in '%s'", json_object_get_string(queryJ));
return;
}
if (json_object_get_type(tmpJ) != json_type_string) {
afb_req_fail(request, "ERROR", "key cezam not a string");
return;
}
if (strncmp(json_object_get_string(tmpJ), "open", 4) == 0) {
json_object_object_add(res, "code", json_object_new_int(123456789));
afb_req_success(request, res, NULL);
return;
}
afb_req_fail_f(request, "ERROR", "value of cezam (%s) is not the expected one.",
json_object_get_string(queryJ));
}
static const struct afb_auth _afb_auths_monitor[] = {
{.type = afb_auth_Permission, .text = "urn:AGL:permission:monitor:public:set"},
{.type = afb_auth_Permission, .text = "urn:AGL:permission:monitor:public:get"},
{.type = afb_auth_Or, .first = &_afb_auths_monitor[1], .next = &_afb_auths_monitor[0]}
};
static const afb_verb_t verbs[] = {
/*Without security*/
{.verb = "ping", .session = AFB_SESSION_NONE, .callback = pingSample, .auth = NULL},
/*With security "urn:AGL:permission:monitor:public:get"*/
/*{ .verb = "ping" , .session = AFB_SESSION_NONE, .callback = pingSample , .auth = &_afb_auths_monitor[1]},*/
{.verb = "subscribe", .session = AFB_SESSION_NONE, .callback = subscribeSample, .auth = NULL},
{.verb = "unsubscribe", .session = AFB_SESSION_NONE, .callback = unsubscribeSample, .auth = NULL},
{.verb = "testargs", .session = AFB_SESSION_NONE, .callback = testArgsSample, .auth = NULL},
{NULL}
};
const afb_binding_t afbBindingExport = {
.api = "helloworld-event",
.specification = NULL,
.verbs = verbs,
.preinit = NULL,
.init = NULL,
.onevent = NULL,
.userdata = NULL,
.provide_class = NULL,
.require_class = NULL,
.require_api = NULL,
.noconcurrency = 0
};
|
