Add timer subscription sampleicefish_8.99.5icefish_8.99.4icefish_8.99.3icefish_8.99.2icefish_8.99.1icefish/8.99.5icefish/8.99.4icefish/8.99.3icefish/8.99.2icefish/8.99.18.99.58.99.48.99.38.99.28.99.1

- Add dependency on agl-libafb-helpers, very useful on agl binding.
- Add subscription button on html interface.
- After starting the timer, you can subscribe and so unsubscribe to a timer event.
- Update the README.md.

Bug-AGL: SPEC-2778

Signed-off-by: ronan <ronan.lemartret@iot.bzh>
Change-Id: I8cc08a191a93972082060d267276df467b053589
Signed-off-by: ronan <ronan.lemartret@iot.bzh>

3 files changed, 108 insertions, 134 deletions

diff --git a/helloworld-subscribe-event/CMakeLists.txt b/helloworld-subscribe-event/CMakeLists.txt
index 131e8d4..bb877a6 100644
--- a/helloworld-subscribe-event/CMakeLists.txt
+++ b/helloworld-subscribe-event/CMakeLists.txt
@@ -17,7 +17,7 @@
 # Add target to project dependency list
 PROJECT_TARGET_ADD(helloworld-subscribe-event)
 	# Define project Targets
-	ADD_LIBRARY(${TARGET_NAME} MODULE helloworld-service-binding.c)
+	ADD_LIBRARY(${TARGET_NAME} MODULE helloworld-event-service-binding.c)
 
 	# Binder exposes a unique public entry point
 	SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
diff --git a/helloworld-subscribe-event/helloworld-event-service-binding.c b/helloworld-subscribe-event/helloworld-event-service-binding.c
new file mode 100644
index 0000000..632142a
--- /dev/null
+++ b/helloworld-subscribe-event/helloworld-event-service-binding.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2016-2019 "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>
+
+#include <afb-timer.h>
+
+static afb_event_t event;
+static TimerHandleT *timer;
+
+static void timerCount()
+{
+	static int timerCount = 0;
+	int listeners = 0;
+
+	if(afb_event_is_valid(event))
+		listeners = afb_event_push(event, json_object_new_int(timerCount));
+
+	timerCount++;
+}
+
+static void startTimer(afb_req_t request)
+{
+	char *timeruid;
+	timer = (TimerHandleT*)calloc (1, sizeof(TimerHandleT));
+	timer->delay = (uint) 1000;
+	timer->count = -1; // run forever
+	timer->uid = timeruid;
+	TimerEvtStart(request->api, timer, timerCount, NULL);
+
+	afb_req_success(request, NULL, "startTimer");
+
+	AFB_REQ_NOTICE(request, "Invoked at startTimer");
+}
+
+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, "timerCount");
+
+	if(afb_req_subscribe(request, event) < 0) {
+		afb_req_fail(request, "Error", "Subscription operation failed");
+		return;
+	}
+
+	afb_req_success(request, NULL, "subscribeSample");
+
+	AFB_REQ_NOTICE(request, "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_REQ_NOTICE(request, "Invoked at unsubscribe invocation");
+}
+
+static const afb_verb_t verbs[] = {
+	/*Without security*/
+	{.verb = "startTimer", .session = AFB_SESSION_NONE, .callback = startTimer, .auth = NULL},
+
+	{.verb = "subscribe", .session = AFB_SESSION_NONE, .callback = subscribeSample, .auth = NULL},
+	{.verb = "unsubscribe", .session = AFB_SESSION_NONE, .callback = unsubscribeSample, .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
+};
diff --git a/helloworld-subscribe-event/helloworld-service-binding.c b/helloworld-subscribe-event/helloworld-service-binding.c
deleted file mode 100644
index ce525e7..0000000
--- a/helloworld-subscribe-event/helloworld-service-binding.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * 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
-};