Adding GPS plugin to make the subscription

Change-Id: I838ec22ee246c7ad1b438a2777b1fd8af02433b7
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

3 files changed, 75 insertions, 2 deletions

diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 106a237..2b21228 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -16,9 +16,28 @@
 # limitations under the License.
 ###########################################################################
 
+PROJECT_TARGET_ADD(low-can)
 
+    # Define targets
+    ADD_LIBRARY(${TARGET_NAME} MODULE ${TARGET_NAME}.c)
 
-PROJECT_TARGET_ADD(low-can)
+    # Alsa Plugin properties
+    SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+        LABELS "PLUGIN"
+        PREFIX ""
+        SUFFIX ".ctlso"
+        OUTPUT_NAME ${TARGET_NAME}
+    )
+
+    # Library dependencies (include updates automatically)
+    TARGET_LINK_LIBRARIES(${TARGET_NAME}
+        afb-utilities
+        ${link_libraries}
+    )
+
+    include_directories("../controller")
+
+PROJECT_TARGET_ADD(gps)
 
     # Define targets
     ADD_LIBRARY(${TARGET_NAME} MODULE ${TARGET_NAME}.c)
diff --git a/plugins/gps.c b/plugins/gps.c
new file mode 100644
index 0000000..39b1f49
--- /dev/null
+++ b/plugins/gps.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Romain Forlot <romain.forlot@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  // needed for vasprintf
+
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+#include <systemd/sd-event.h>
+#include <json-c/json_object.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include "ctl-plugin.h"
+#include "wrap-json.h"
+
+CTLP_REGISTER("gps");
+
+// Call at initialisation time
+CTLP_ONLOAD(plugin, api) {
+	AFB_NOTICE ("GPS plugin: label='%s' version='%s' info='%s'", plugin->label, plugin->version, plugin->info);
+	return api;
+}
+
+CTLP_CAPI (subscribeToLow, source, argsJ, eventJ, context) {
+	json_object* subscribeArgsJ = NULL, *responseJ = NULL;
+
+	int err = 0;
+	wrap_json_pack(&subscribeArgsJ, "{ss}", "value", "location");
+
+	AFB_DEBUG("Calling subscribe with %s", json_object_to_json_string_ext(subscribeArgsJ, JSON_C_TO_STRING_PRETTY));
+	err = afb_service_call_sync("gps", "subscribe", subscribeArgsJ, &responseJ);
+	if(err)
+	{
+		AFB_ERROR("Can't find api 'gpsd'");
+		return err;
+	}
+
+	return err;
+}
diff --git a/plugins/low-can.c b/plugins/low-can.c
index 3988026..1c2ad74 100644
--- a/plugins/low-can.c
+++ b/plugins/low-can.c
@@ -47,7 +47,7 @@ CTLP_ONLOAD(plugin, api) {
 	allDoorsCtxT *allDoorCtx = (allDoorsCtxT*)calloc (1, sizeof(allDoorsCtxT));
 	memset(allDoorCtx, 0, sizeof(allDoorsCtxT));
 
-	AFB_NOTICE ("Low-can door plugin: label='%s' version='%s' info='%s'", plugin->label, plugin->version, plugin->info);
+	AFB_NOTICE ("Low-can plugin: label='%s' version='%s' info='%s'", plugin->label, plugin->version, plugin->info);
 	return (void*)allDoorCtx;
 }