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-rw-r--r--helloworld-subscribe-event/helloworld-service-binding.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/helloworld-subscribe-event/helloworld-service-binding.c b/helloworld-subscribe-event/helloworld-service-binding.c
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+++ b/helloworld-subscribe-event/helloworld-service-binding.c
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+/*
+ * 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
+};