Bindings V2: Remove explicit references to daemon/service

Usage shown that managing daemon interface and service
interface wasn't obvious. This evolution hides the complexity
by setting up an internal hidden variable.

Change-Id: I667b1ee4e3a7b5ad29d712ee20ad5dd1878b97f3
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 48 insertions, 0 deletions

diff --git a/include/afb/afb-daemon-common.h b/include/afb/afb-daemon-common.h
new file mode 100644
index 00000000..7b241492
--- /dev/null
+++ b/include/afb/afb-daemon-common.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@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.
+ */
+
+#pragma once
+
+/* declaration of features of libsystemd */
+struct sd_event;
+struct sd_bus;
+
+/*
+ * Definition of the facilities provided by the daemon.
+ */
+struct afb_daemon_itf {
+	int (*event_broadcast)(void *closure, const char *name, struct json_object *object); /* broadcasts evant 'name' with 'object' */
+	struct sd_event *(*get_event_loop)(void *closure);      /* gets the common systemd's event loop */
+	struct sd_bus *(*get_user_bus)(void *closure);          /* gets the common systemd's user d-bus */
+	struct sd_bus *(*get_system_bus)(void *closure);        /* gets the common systemd's system d-bus */
+	void (*vverbose_v1)(void*closure, int level, const char *file, int line, const char *fmt, va_list args);
+	struct afb_event (*event_make)(void *closure, const char *name); /* creates an event of 'name' */
+	int (*rootdir_get_fd)(void *closure);
+	int (*rootdir_open_locale)(void *closure, const char *filename, int flags, const char *locale);
+	int (*queue_job)(void *closure, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout);
+	void (*vverbose_v2)(void*closure, int level, const char *file, int line, const char * func, const char *fmt, va_list args);
+};
+
+/*
+ * Structure for accessing daemon.
+ * See also: afb_daemon_get_event_sender, afb_daemon_get_event_loop, afb_daemon_get_user_bus, afb_daemon_get_system_bus
+ */
+struct afb_daemon {
+	const struct afb_daemon_itf *itf;       /* the interfacing functions */
+	void *closure;                          /* the closure when calling these functions */
+};
+