initial network service binding

The AGL network service binding exposes connman apis via the
AGL application framework. All network connectivity technologies
are supported via the binding, limited only by the underlying
connman daemon.

Bug-AGL: SPEC-1540

Change-Id: Id73cfc98c7abe97cb655a4fc40d440422fa75803
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[Cleanups to whitespace and naming to match other services]
Signed-off-by: Matt Porter <mporter@konsulko.com>

1 files changed, 183 insertions, 0 deletions

diff --git a/binding/network-common.h b/binding/network-common.h
new file mode 100644
index 0000000..83c2e0f
--- /dev/null
+++ b/binding/network-common.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright 2018 Konsulko Group
+ * Author: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
+ *
+ * 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.
+ */
+
+#ifndef NETWORK_COMMON_H
+#define NETWORK_COMMON_H
+
+#include <stddef.h>
+
+#define _GNU_SOURCE
+#include <glib.h>
+#include <stdlib.h>
+#include <gio/gio.h>
+#include <glib-object.h>
+
+#include <json-c/json.h>
+
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+
+struct call_work;
+
+struct network_state {
+	GMainLoop *loop;
+	GDBusConnection *conn;
+	guint manager_sub;
+	guint technology_sub;
+	guint service_sub;
+	struct afb_event global_state_event;
+	struct afb_event technologies_event;
+	struct afb_event technology_properties_event;
+	struct afb_event services_event;
+	struct afb_event service_properties_event;
+	struct afb_event counter_event;
+	struct afb_event agent_event;
+	int ping_counter;
+
+	/* NOTE: single connection allowed for now */
+	/* NOTE: needs locking and a list */
+	GMutex cw_mutex;
+	int next_cw_id;
+	GSList *cw_pending;
+	struct call_work *cw;
+
+	/* agent */
+	GDBusNodeInfo *introspection_data;
+	guint agent_id;
+	guint registration_id;
+	gchar *agent_path;
+	gboolean agent_registered;
+};
+
+struct call_work {
+	struct network_state *ns;
+	int id;
+	gchar *access_type;
+	gchar *type_arg;
+	gchar *method;
+	gchar *connman_method;
+	struct connman_pending_work *cpw;
+	struct afb_req request;
+	gchar *agent_method;
+	GDBusMethodInvocation *invocation;
+};
+
+/* in network-api.c */
+
+/*
+ * Unfortunately we can't completely avoid a global here.
+ * appfw API does not pass around a user pointer to do so.
+ */
+extern struct network_state *global_ns;
+
+/* utility methods in network-util.c */
+
+extern gboolean auto_lowercase_keys;
+
+int str2boolean(const char *value);
+
+json_object *json_object_copy(json_object *jval);
+
+gchar *key_dbus_to_json(const gchar *key, gboolean auto_lower);
+
+json_object *simple_gvariant_to_json(GVariant *var, json_object *parent,
+		gboolean recurse);
+
+/**
+ * Structure for converting from dbus properties to json
+ * and vice-versa.
+ * Note this is _not_ a generic dbus json bridge since
+ * some constructs are not easily mapped.
+ */
+struct property_info {
+	const char *name;	/* the connman property name */
+	const char *json_name;	/* the json name (if NULL autoconvert) */
+	const char *fmt;
+	unsigned int flags;
+	const struct property_info *sub;
+};
+
+#define PI_CONFIG	(1U << 0)
+
+const struct property_info *property_by_dbus_name(
+		const struct property_info *pi,
+		const gchar *dbus_name,
+		gboolean *is_config);
+const struct property_info *property_by_json_name(
+		const struct property_info *pi,
+		const gchar *json_name,
+		gboolean *is_config);
+const struct property_info *property_by_name(
+		const struct property_info *pi,
+		gboolean is_json_name, const gchar *name,
+		gboolean *is_config);
+
+gchar *property_get_json_name(const struct property_info *pi,
+		const gchar *name);
+gchar *property_get_name(const struct property_info *pi,
+		const gchar *json_name);
+
+gchar *configuration_dbus_name(const gchar *dbus_name);
+gchar *configuration_json_name(const gchar *json_name);
+
+gchar *property_name_dbus2json(const struct property_info *pi,
+		gboolean is_config);
+
+json_object *property_dbus2json(
+		const struct property_info **pip,
+		const gchar *key, GVariant *var,
+		gboolean *is_config);
+
+gboolean root_property_dbus2json(
+		json_object *jparent,
+		const struct property_info *pi,
+		const gchar *key, GVariant *var,
+		gboolean *is_config);
+
+GVariant *property_json_to_gvariant(
+		const struct property_info *pi,
+		const char *fmt,	/* if NULL use pi->fmt */
+		const struct property_info *pi_parent,
+		json_object *jval,
+		GError **error);
+
+typedef enum {
+	NB_ERROR_BAD_TECHNOLOGY,
+	NB_ERROR_BAD_SERVICE,
+	NB_ERROR_OUT_OF_MEMORY,
+	NB_ERROR_NO_TECHNOLOGIES,
+	NB_ERROR_NO_SERVICES,
+	NB_ERROR_BAD_PROPERTY,
+	NB_ERROR_UNIMPLEMENTED,
+	NB_ERROR_UNKNOWN_PROPERTY,
+	NB_ERROR_UNKNOWN_TECHNOLOGY,
+	NB_ERROR_UNKNOWN_SERVICE,
+	NB_ERROR_MISSING_ARGUMENT,
+	NB_ERROR_ILLEGAL_ARGUMENT,
+	NB_ERROR_CALL_IN_PROGRESS,
+} NBError;
+
+#define NB_ERROR (nb_error_quark())
+
+extern GQuark nb_error_quark(void);
+
+json_object *get_property_collect(json_object *jreqprop, json_object *jprop,
+		GError **error);
+json_object *get_named_property(const struct property_info *pi,
+		gboolean is_json_name, const char *name, json_object *jprop);
+
+#endif