bindings: adds ability to use data of applications

The two new verbs 'afb_daemon_rootdir_get_fd' and
'afb_daemon_rootdir_open_locale' allow the bindings to retrieve
its installed global data.

Change-Id: I369997d9e59402a413a929aa650c48613f034183
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/afb-common.c b/src/afb-common.c
index 2b16e573..81bf5376 100644
--- a/src/afb-common.c
+++ b/src/afb-common.c
@@ -17,11 +17,19 @@
 
 #define _GNU_SOURCE
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
 #include <errno.h>
 #include <systemd/sd-event.h>
 #include <systemd/sd-bus.h>
 
 #include "afb-common.h"
+#include "locale-root.h"
+
+static const char *default_locale = NULL;
+static struct locale_root *rootdir = NULL;
 
 /*
 struct sd_event *afb_common_get_thread_event_loop()
@@ -85,5 +93,57 @@ struct sd_bus *afb_common_get_system_bus()
 	return sdbusopen((void*)&result, (void*)sd_bus_open_system);
 }
 
+void afb_common_default_locale_set(const char *locale)
+{
+	default_locale = locale;
+}
+
+const char *afb_common_default_locale_get()
+{
+	return default_locale;
+}
+
+int afb_common_rootdir_set(const char *dirname)
+{
+	int dirfd, rc;
+	struct locale_root *root;
+	struct locale_search *search;
+
+	rc = -1;
+	dirfd = openat(AT_FDCWD, dirname, O_PATH|O_DIRECTORY);
+	if (dirfd < 0) {
+		/* TODO message */
+	} else {
+		root = locale_root_create(dirfd);
+		if (root == NULL) {
+			/* TODO message */
+			close(dirfd);
+		} else {
+			rc = 0;
+			if (default_locale != NULL) {
+				search = locale_root_search(root, default_locale, 0);
+				if (search == NULL) {
+					/* TODO message */
+				} else {
+					locale_root_set_default_search(root, search);
+					locale_search_unref(search);
+				}
+			}
+			locale_root_unref(rootdir);
+			rootdir = root;
+		}
+	}
+	return rc;
+}
+
+int afb_common_rootdir_get_fd()
+{
+	return locale_root_get_dirfd(rootdir);
+}
+
+int afb_common_rootdir_open_locale(const char *filename, int flags, const char *locale)
+{
+	return locale_root_open(rootdir, filename, flags, locale);
+}