Bluetooth: Add conn.h public header file

This one should be used for all public connection related APIs. Right
now it includes the reference counting and connection callback APIs.

Change-Id: Ib9b67e6115bb2e51322644757da1170851c3ca17
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

include/bluetooth/bluetooth.h

@@ -111,13 +111,4 @@ int bt_start_advertising(uint8_t type, const struct bt_eir *ad,
 int bt_start_scanning(uint8_t scan_type, uint8_t scan_filter);
 int bt_stop_scanning();
 
-struct bt_conn_cb {
-	void (*connected)(const bt_addr_le_t *addr);
-	void (*disconnected)(const bt_addr_le_t *addr);
-
-	struct bt_conn_cb *_next;
-};
-
-void bt_conn_cb_register(struct bt_conn_cb *cb);
-
 #endif /* __BT_BLUETOOTH_H */

include/bluetooth/conn.h

@@ -0,0 +1,54 @@
+/*! @file
+ *  @brief Bluetooth connection handling
+ */
+
+/*
+ * Copyright (c) 2015 Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2) Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3) Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __BT_CONN_H
+#define __BT_CONN_H
+
+struct bt_conn;
+
+/* Increment conn reference count */
+struct bt_conn *bt_conn_get(struct bt_conn *conn);
+
+/* Decrement conn reference count */
+void bt_conn_put(struct bt_conn *conn);
+
+struct bt_conn_cb {
+	void (*connected)(const bt_addr_le_t *addr);
+	void (*disconnected)(const bt_addr_le_t *addr);
+
+	struct bt_conn_cb *_next;
+};
+
+void bt_conn_cb_register(struct bt_conn_cb *cb);
+
+#endif /* __BT_CONN_H */

net/bluetooth/conn_internal.h

@@ -32,6 +32,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <bluetooth/conn.h>
+
 enum {
 	BT_CONN_DISCONNECTED,
 	BT_CONN_CONNECTED,
@@ -92,9 +94,3 @@ struct bt_conn *bt_conn_lookup_handle(uint16_t handle);
 
 /* Look up an existing connection by address */
 struct bt_conn *bt_conn_lookup_addr_le(const bt_addr_le_t *peer);
-
-/* Increment conn reference count */
-struct bt_conn *bt_conn_get(struct bt_conn *conn);
-
-/* Decrement conn reference count */
-void bt_conn_put(struct bt_conn *conn);

samples/bluetooth/peripheral/src/main.c

@@ -40,6 +40,7 @@
 
 #include "bluetooth/bluetooth.h"
 #include "bluetooth/hci.h"
+#include "bluetooth/conn.h"
 #include "bluetooth/uuid.h"
 #include "bluetooth/gatt.h"