From 6cf410b65ab05a63af33a136277e2e90534bb416 Mon Sep 17 00:00:00 2001
From: Hwankyu Jhun <h.jhun@samsung.com>
Date: Fri, 9 Sep 2016 20:56:17 +0900
Subject: [PATCH] Add a new API to retrieve the alias info

Change-Id: I14d920c44027e259be8708e8782ed22df54adacf
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>
---
 include/aul_svc.h    | 15 +++++++++++++++
 include/aul_svc_db.h |  4 +++-
 src/service.c        | 31 +++++++++++++++++++++++++++++++
 src/service_db.c     | 40 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 89 insertions(+), 1 deletion(-)

diff --git a/include/aul_svc.h b/include/aul_svc.h
index 8ae1da2..6e2e133 100755
--- a/include/aul_svc.h
+++ b/include/aul_svc.h
@@ -1155,6 +1155,21 @@ int aul_svc_set_alias_appid_for_uid(const char *alias_appid,
 int aul_svc_unset_alias_appid(const char *alias_appid);
 int aul_svc_unset_alias_appid_for_uid(const char *alias_appid, uid_t uid);
 
+/**
+ * @par Description:
+ * This API retrieves all alias information.
+ *
+ * @param[in]	callback	The callback function to be invoked
+ * @param[in]	user_data	The user data to be passed to the callback function
+ *
+ * @return	0 if success, negative value(<0) if fail
+ */
+int aul_svc_foreach_alias_info(void (*callback)(const char *alias_appid,
+			const char *appid, void *data), void *user_data);
+int aul_svc_foreach_alias_info_for_uid(void (*callback)(const char *alias_appid,
+			const char *appid, void *data),
+		uid_t uid, void *user_data);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/aul_svc_db.h b/include/aul_svc_db.h
index f380536..824a526 100755
--- a/include/aul_svc_db.h
+++ b/include/aul_svc_db.h
@@ -55,7 +55,9 @@ int _svc_db_add_alias_appid(const char *alias_appid, const char *appid,
 int _svc_db_delete_alias_appid(const char *alias_appid, uid_t uid);
 int _svc_db_get_appid_from_alias_info(const char *alias_appid,
 		char **appid, uid_t uid);
-
+int _svc_db_foreach_alias_info(void (*callback)(const char *alias_appid, const
+			char *appid, void *data),
+		uid_t uid, void *user_data);
 
 #ifdef __cplusplus
 }
diff --git a/src/service.c b/src/service.c
index 0d7c139..c353d91 100755
--- a/src/service.c
+++ b/src/service.c
@@ -1469,3 +1469,34 @@ API int aul_svc_unset_alias_appid_for_uid(const char *alias_appid, uid_t uid)
 	return AUL_SVC_RET_OK;
 }
 
+API int aul_svc_foreach_alias_info(void (*callback)(const char *alias_appid,
+			const char *appid, void *data), void *user_data)
+{
+	return aul_svc_foreach_alias_info_for_uid(callback, getuid(),
+			user_data);
+}
+
+API int aul_svc_foreach_alias_info_for_uid(void (*callback)(
+			const char *alias_appid, const char *appid,
+			void *data), uid_t uid, void *user_data)
+{
+	int ret;
+
+	if (callback == NULL) {
+		_E("Invalid parameter");
+		return AUL_SVC_RET_EINVAL;
+	}
+
+	ret = _svc_db_check_perm(uid, true);
+	if (ret < 0) {
+		_E("Permission error: %d", ret);
+		return AUL_SVC_RET_EILLACC;
+	}
+
+	ret = _svc_db_foreach_alias_info(callback, uid, user_data);
+	if (ret < 0)
+		return AUL_SVC_RET_ERROR;
+
+	return AUL_SVC_RET_OK;
+}
+
diff --git a/src/service_db.c b/src/service_db.c
index 8d84c8c..9931b35 100755
--- a/src/service_db.c
+++ b/src/service_db.c
@@ -932,3 +932,43 @@ end:
 	return result;
 }
 
+int _svc_db_foreach_alias_info(void (*callback)(const char *alias_appid,
+			const char *appid, void *data),
+		uid_t uid, void *user_data)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+	const char *query = "SELECT alias_appid, appid FROM alias_info;";
+	const char *alias_id;
+	const char *id;
+	bool invoked = false;
+
+	if (__init(uid, true) < 0)
+		return -1;
+
+	ret = sqlite3_prepare_v2(svc_db, query, strlen(query), &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		_E("sqlite3_prepare_v2() error: %d(%s)",
+				ret, sqlite3_errmsg(svc_db));
+		__fini();
+		return -1;
+	}
+
+	while (sqlite3_step(stmt) == SQLITE_ROW) {
+		alias_id = (const char *)sqlite3_column_text(stmt, 0);
+		id = (const char *)sqlite3_column_text(stmt, 1);
+		callback(alias_id, id, user_data);
+		invoked = true;
+	}
+
+	sqlite3_finalize(stmt);
+	__fini();
+
+	if (!invoked) {
+		_E("alias info is empty");
+		return -1;
+	}
+
+	return 0;
+}
+
-- 
2.7.4