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Bluetooth: host: Use switch statement in bt_conn_set_state

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Refactor old state handling in bt_conn_set_state to use switch statement
instead of if statements.
This will give us warning about enum values not covered.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
This commit is contained in:
Joakim Andersson 2020-03-03 11:02:35 +01:00 • committed by Johan Hedberg
commit 564ba1a07b
1 changed files with 18 additions and 7 deletions
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25
subsys/bluetooth/host/conn.c
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@ -1678,8 +1678,9 @@ void bt_conn_set_state(struct bt_conn *conn, bt_conn_state_t state)
* up and stop the tx thread for states where it was
* running.
*/
if (old_state == BT_CONN_CONNECTED ||
old_state == BT_CONN_DISCONNECT) {
switch (old_state) {
case BT_CONN_CONNECTED:
case BT_CONN_DISCONNECT:
process_unack_tx(conn);
tx_notify(conn);
@ -1691,7 +1692,8 @@ void bt_conn_set_state(struct bt_conn *conn, bt_conn_state_t state)
atomic_set_bit(conn->flags, BT_CONN_CLEANUP);
k_poll_signal_raise(&conn_change, 0);
/* The last ref will be dropped during cleanup */
} else if (old_state == BT_CONN_CONNECT) {
break;
case BT_CONN_CONNECT:
/* LE Create Connection command failed. This might be
* directly from the API, don't notify application in
* this case.
@ -1699,8 +1701,10 @@ void bt_conn_set_state(struct bt_conn *conn, bt_conn_state_t state)
if (conn->err) {
notify_connected(conn);
}
bt_conn_unref(conn);
} else if (old_state == BT_CONN_CONNECT_SCAN) {
break;
case BT_CONN_CONNECT_SCAN:
/* this indicate LE Create Connection with peer address
* has been stopped. This could either be triggered by
* the application through bt_conn_disconnect or by
@ -1711,24 +1715,31 @@ void bt_conn_set_state(struct bt_conn *conn, bt_conn_state_t state)
}
bt_conn_unref(conn);
} else if (old_state == BT_CONN_CONNECT_DIR_ADV) {
break;
case BT_CONN_CONNECT_DIR_ADV:
/* this indicate Directed advertising stopped */
if (conn->err) {
notify_connected(conn);
}
bt_conn_unref(conn);
} else if (old_state == BT_CONN_CONNECT_AUTO) {
break;
case BT_CONN_CONNECT_AUTO:
/* this indicates LE Create Connection with filter
* policy has been stopped. This can only be triggered
* by the application, so don't notify.
*/
bt_conn_unref(conn);
} else if (old_state == BT_CONN_CONNECT_ADV) {
break;
case BT_CONN_CONNECT_ADV:
/* This can only happen when application stops the
* advertiser, conn->err is never set in this case.
*/
bt_conn_unref(conn);
break;
case BT_CONN_DISCONNECTED:
/* Cannot happen, no transition. */
break;
}
break;
case BT_CONN_CONNECT_AUTO: