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, 124 insertions, 0 deletions

diff --git a/include/afb/afb-daemon-v1.h b/include/afb/afb-daemon-v1.h
new file mode 100644
index 00000000..84095e04
--- /dev/null
+++ b/include/afb/afb-daemon-v1.h
@@ -0,0 +1,124 @@
+/*
+ * 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
+
+#include <stdarg.h>
+
+/*
+ * Retrieves the common systemd's event loop of AFB
+ * 'daemon' MUST be the daemon given in interface when activating the binding.
+ */
+static inline struct sd_event *afb_daemon_get_event_loop_v1(struct afb_daemon daemon)
+{
+	return daemon.itf->get_event_loop(daemon.closure);
+}
+
+/*
+ * Retrieves the common systemd's user/session d-bus of AFB
+ * 'daemon' MUST be the daemon given in interface when activating the binding.
+ */
+static inline struct sd_bus *afb_daemon_get_user_bus_v1(struct afb_daemon daemon)
+{
+	return daemon.itf->get_user_bus(daemon.closure);
+}
+
+/*
+ * Retrieves the common systemd's system d-bus of AFB
+ * 'daemon' MUST be the daemon given in interface when activating the binding.
+ */
+static inline struct sd_bus *afb_daemon_get_system_bus_v1(struct afb_daemon daemon)
+{
+	return daemon.itf->get_system_bus(daemon.closure);
+}
+
+/*
+ * Broadcasts widely the event of 'name' with the data 'object'.
+ * 'object' can be NULL.
+ * 'daemon' MUST be the daemon given in interface when activating the binding.
+ *
+ * For convenience, the function calls 'json_object_put' for 'object'.
+ * Thus, in the case where 'object' should remain available after
+ * the function returns, the function 'json_object_get' shall be used.
+ *
+ * Returns the count of clients that received the event.
+ */
+static inline int afb_daemon_broadcast_event_v1(struct afb_daemon daemon, const char *name, struct json_object *object)
+{
+	return daemon.itf->event_broadcast(daemon.closure, name, object);
+}
+
+/*
+ * Creates an event of 'name' and returns it.
+ * 'daemon' MUST be the daemon given in interface when activating the binding.
+ */
+static inline struct afb_event afb_daemon_make_event_v1(struct afb_daemon daemon, const char *name)
+{
+	return daemon.itf->event_make(daemon.closure, name);
+}
+
+/*
+ * Send a message described by 'fmt' and following parameters
+ * to the journal for the verbosity 'level'.
+ * 'file' and 'line' are indicators of position of the code in source files.
+ * 'daemon' MUST be the daemon given in interface when activating the binding.
+ */
+static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
+static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...)
+{
+	va_list args;
+	va_start(args, fmt);
+	daemon.itf->vverbose_v1(daemon.closure, level, file, line, fmt, args);
+	va_end(args);
+}
+
+/*
+ * Get the root directory file descriptor. This file descriptor can
+ * be used with functions 'openat', 'fstatat', ...
+ */
+static inline int afb_daemon_rootdir_get_fd_v1(struct afb_daemon daemon)
+{
+	return daemon.itf->rootdir_get_fd(daemon.closure);
+}
+
+/*
+ * Opens 'filename' within the root directory with 'flags' (see function openat)
+ * using the 'locale' definition (example: "jp,en-US") that can be NULL.
+ * Returns the file descriptor or -1 in case of error.
+ */
+static inline int afb_daemon_rootdir_open_locale_v1(struct afb_daemon daemon, const char *filename, int flags, const char *locale)
+{
+	return daemon.itf->rootdir_open_locale(daemon.closure, filename, flags, locale);
+}
+
+/*
+ * Queue the job defined by 'callback' and 'argument' for being executed asynchronously
+ * in this thread (later) or in an other thread.
+ * If 'group' is not NUL, the jobs queued with a same value (as the pointer value 'group')
+ * are executed in sequence in the order of there submission.
+ * If 'timeout' is not 0, it represent the maximum execution time for the job in seconds.
+ * At first, the job is called with 0 as signum and the given argument.
+ * The job is executed with the monitoring of its time and some signals like SIGSEGV and
+ * SIGFPE. When a such signal is catched, the job is terminated and reexecuted but with
+ * signum being the signal number (SIGALRM when timeout expired).
+ *
+ * Returns 0 in case of success or -1 in case of error.
+ */
+static inline int afb_daemon_queue_job_v1(struct afb_daemon daemon, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout)
+{
+	return daemon.itf->queue_job(daemon.closure, callback, argument, group, timeout);
+}