Add connections command

In order to support multiple connections, we need to pass connection ID
to every command that issues some procedure over GATT.
So connections command will list every active connection with connection
ID and remote address.

1 files changed, 21 insertions, 0 deletions

diff --git a/btctl.c b/btctl.c
index 481e462..ea5189c 100644
--- a/btctl.c
+++ b/btctl.c
@@ -1885,6 +1885,26 @@ static void cmd_rssi(char *args) {
     }
 }
 
+static void cmd_conns(char *args) {
+    int i, c = 0;
+
+    for (i = 0; i < MAX_CONNECTIONS; i++) {
+        connection_t *conn = &u.conns[i];
+        char addr_str[BT_ADDRESS_STR_LEN];
+
+        if (conn->conn_id <= INVALID_CONN_ID)
+            continue;
+
+        rl_printf("Connection ID: %i  Address: %s%s\n", conn->conn_id,
+                  ba2str(conn->remote_addr.address, addr_str),
+                  conn->conn_id == PENDING_CONN_ID ? " (pending)" : "");
+        c++;
+    }
+
+    if (c == 0)
+        rl_printf("No connections active\n");
+}
+
 /* List of available user commands */
 static const cmd_t cmd_list[] = {
     { "quit", "        Exits", cmd_quit },
@@ -1911,6 +1931,7 @@ static const cmd_t cmd_list[] = {
     { "unreg-notif", " Unregister a previous request to receive "
                      "notification/indicaton", cmd_unreg_notification },
     { "rssi", "        Request RSSI for connected device", cmd_rssi },
+    { "connections", " Display active connections", cmd_conns },
     { NULL, NULL, NULL }
 };