[PATCH BlueZ v1 2/4] adapter: Implement SetFilterPolicy AutoConnect filter

[Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>]

From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

This implements AutoConnect filter option in SetFilterPolicy method
according to its documentation.
---
 src/adapter.c | 42 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/src/adapter.c b/src/adapter.c
index fd425e6d2fe4..328a6baa54d7 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -214,6 +214,7 @@ struct discovery_filter {
 	GSList *uuids;
 	bool duplicate;
 	bool discoverable;
+	bool auto_connect;
 };
 
 struct discovery_client {
@@ -2697,6 +2698,21 @@ static bool parse_pattern(DBusMessageIter *value,
 	return true;
 }
 
+static bool parse_auto_connect(DBusMessageIter *value,
+					struct discovery_filter *filter)
+{
+	dbus_bool_t connect;
+
+	if (dbus_message_iter_get_arg_type(value) != DBUS_TYPE_BOOLEAN)
+		return false;
+
+	dbus_message_iter_get_basic(value, &connect);
+
+	filter->auto_connect = connect;
+
+	return true;
+}
+
 struct filter_parser {
 	const char *name;
 	bool (*func)(DBusMessageIter *iter, struct discovery_filter *filter);
@@ -2708,6 +2724,7 @@ struct filter_parser {
 	{ "DuplicateData", parse_duplicate_data },
 	{ "Discoverable", parse_discoverable },
 	{ "Pattern", parse_pattern },
+	{ "AutoConnect", parse_auto_connect },
 	{ }
 };
 
@@ -7212,7 +7229,7 @@ static void filter_duplicate_data(void *data, void *user_data)
 
 static bool device_is_discoverable(struct btd_adapter *adapter,
 					struct eir_data *eir, const char *addr,
-					uint8_t bdaddr_type)
+					uint8_t bdaddr_type, bool *auto_connect)
 {
 	GSList *l;
 	bool discoverable;
@@ -7242,15 +7259,21 @@ static bool device_is_discoverable(struct btd_adapter *adapter,
 		discoverable = false;
 
 		pattern_len = strlen(filter->pattern);
-		if (!pattern_len)
+		if (!pattern_len) {
+			*auto_connect = filter->auto_connect;
 			return true;
+		}
 
-		if (!strncmp(filter->pattern, addr, pattern_len))
+		if (!strncmp(filter->pattern, addr, pattern_len)) {
+			*auto_connect = filter->auto_connect;
 			return true;
+		}
 
 		if (eir->name && !strncmp(filter->pattern, eir->name,
-							pattern_len))
+							pattern_len)) {
+			*auto_connect = filter->auto_connect;
 			return true;
+		}
 	}
 
 	return discoverable;
@@ -7274,6 +7297,7 @@ void btd_adapter_device_found(struct btd_adapter *adapter,
 	bool name_resolve_failed;
 	bool scan_rsp;
 	bool duplicate = false;
+	bool auto_connect = false;
 	struct queue *matched_monitors = NULL;
 
 	confirm = (flags & MGMT_DEV_FOUND_CONFIRM_NAME);
@@ -7310,7 +7334,7 @@ void btd_adapter_device_found(struct btd_adapter *adapter,
 	ba2str(bdaddr, addr);
 
 	discoverable = device_is_discoverable(adapter, &eir_data, addr,
-							bdaddr_type);
+						bdaddr_type, &auto_connect);
 
 	dev = btd_adapter_find_device(adapter, bdaddr, bdaddr_type);
 	if (!dev) {
@@ -7483,6 +7507,14 @@ connect_le:
 	if (adapter->connect_le)
 		return;
 
+	/* If device has a pattern match and it also set auto-connect then
+	 * attempt to connect.
+	 */
+	if (auto_connect) {
+		device_connect_le(dev);
+		return;
+	}
+
 	/*
 	 * If kernel background scan is used then the kernel is
 	 * responsible for connecting.
-- 
2.49.0