Add 'afb_daemon_require_api'

This solution is at this time the best one to allow
asynchronous calls within initialisation of bindings.

Change-Id: I21ba3a74b4e93eec238a11dd51bc6b58c483308d
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

4 files changed, 22 insertions, 0 deletions

diff --git a/include/afb/afb-binding.h b/include/afb/afb-binding.h
index 706ca813..ae700f41 100644
--- a/include/afb/afb-binding.h
+++ b/include/afb/afb-binding.h
@@ -163,6 +163,7 @@ typedef struct afb_service_itf          afb_service_itf;
 #define afb_daemon_rootdir_get_fd	afb_daemon_rootdir_get_fd_v1
 #define afb_daemon_rootdir_open_locale	afb_daemon_rootdir_open_locale_v1
 #define afb_daemon_queue_job		afb_daemon_queue_job_v1
+#define afb_daemon_require_api		afb_daemon_require_api_v1
 
 #define afb_service_call		afb_service_call_v1
 #define afb_service_call_sync		afb_service_call_sync_v1
@@ -217,6 +218,7 @@ typedef struct afb_service_itf          afb_service_itf;
 #define afb_daemon_rootdir_open_locale	afb_daemon_rootdir_open_locale_v2
 #define afb_daemon_queue_job		afb_daemon_queue_job_v2
 #define afb_daemon_unstore_req		afb_daemon_unstore_req_v2
+#define afb_daemon_require_api		afb_daemon_require_api_v2
 
 #define afb_service_call		afb_service_call_v2
 #define afb_service_call_sync		afb_service_call_sync_v2
diff --git a/include/afb/afb-daemon-common.h b/include/afb/afb-daemon-common.h
index d3d1b3d3..1d576b9a 100644
--- a/include/afb/afb-daemon-common.h
+++ b/include/afb/afb-daemon-common.h
@@ -41,6 +41,7 @@ struct afb_daemon_itf
 	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);
 	struct afb_req (*unstore_req)(void*closure, struct afb_stored_req *sreq);
+	int (*require_api)(void*closure, const char *name, int initialized);
 };
 
 /*
diff --git a/include/afb/afb-daemon-v1.h b/include/afb/afb-daemon-v1.h
index 256c5fda..8f5ed2f9 100644
--- a/include/afb/afb-daemon-v1.h
+++ b/include/afb/afb-daemon-v1.h
@@ -163,3 +163,13 @@ static inline int afb_daemon_queue_job_v1(struct afb_daemon daemon, void (*callb
 {
 	return daemon.itf->queue_job(daemon.closure, callback, argument, group, timeout);
 }
+
+/*
+ * Tells that it requires the API of "name" to exist
+ * and if 'initialized' is not null to be initialized.
+ * Returns 0 in case of success or -1 in case of error.
+ */
+static inline int afb_daemon_require_api_v1(struct afb_daemon daemon, const char *name, int initialized)
+{
+	return daemon.itf->require_api(daemon.closure, name, initialized);
+}
diff --git a/include/afb/afb-daemon-v2.h b/include/afb/afb-daemon-v2.h
index 4c4c656d..481d3dec 100644
--- a/include/afb/afb-daemon-v2.h
+++ b/include/afb/afb-daemon-v2.h
@@ -141,3 +141,12 @@ static inline struct afb_req afb_daemon_unstore_req_v2(struct afb_stored_req *sr
 	return afb_get_daemon_v2().itf->unstore_req(afb_get_daemon_v2().closure, sreq);
 }
 
+/*
+ * Tells that it requires the API of "name" to exist
+ * and if 'initialized' is not null to be initialized.
+ * Returns 0 in case of success or -1 in case of error.
+ */
+static inline int afb_daemon_require_api_v2(const char *name, int initialized)
+{
+	return afb_get_daemon_v2().itf->require_api(afb_get_daemon_v2().closure, name, initialized);
+}