From 450b12ad2a8991bac7d87efd984a159ede13b85d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Rymanowski?= <lukasz.rymanowski@codecoup.pl>
Date: Fri, 31 May 2019 14:11:15 +0200
Subject: [PATCH] nimble/ble_hs_conn: Add foreach helper function

This is going to be used in following patch
---
 nimble/host/src/ble_hs_conn.c      | 14 ++++++++++++++
 nimble/host/src/ble_hs_conn_priv.h |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/nimble/host/src/ble_hs_conn.c b/nimble/host/src/ble_hs_conn.c
index e1e5e7e45..dabad009c 100644
--- a/nimble/host/src/ble_hs_conn.c
+++ b/nimble/host/src/ble_hs_conn.c
@@ -199,6 +199,20 @@ ble_hs_conn_delete_chan(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan)
     ble_l2cap_chan_free(chan);
 }
 
+void
+ble_hs_conn_foreach(ble_hs_conn_foreach_fn *cb, void *arg)
+{
+    struct ble_hs_conn *conn;
+
+    BLE_HS_DBG_ASSERT(ble_hs_locked_by_cur_task());
+
+    SLIST_FOREACH(conn, &ble_hs_conns, bhc_next) {
+        if (cb(conn, arg) != 0) {
+            return;
+        }
+    }
+}
+
 void
 ble_hs_conn_free(struct ble_hs_conn *conn)
 {
diff --git a/nimble/host/src/ble_hs_conn_priv.h b/nimble/host/src/ble_hs_conn_priv.h
index c9c065520..f235dc4c3 100644
--- a/nimble/host/src/ble_hs_conn_priv.h
+++ b/nimble/host/src/ble_hs_conn_priv.h
@@ -119,6 +119,9 @@ void ble_hs_conn_addrs(const struct ble_hs_conn *conn,
                        struct ble_hs_conn_addrs *addrs);
 int32_t ble_hs_conn_timer(void);
 
+typedef int ble_hs_conn_foreach_fn(struct ble_hs_conn *conn, void *arg);
+void ble_hs_conn_foreach(ble_hs_conn_foreach_fn *cb, void *arg);
+
 int ble_hs_conn_init(void);
 
 #ifdef __cplusplus