The source of Connect() failures can be divided into the following
three.
- bluetoothd's device interface state transition and profile state
transition
- Kernel's L2CAP layer state transition
- Potential HCI error codes returned by the remote device
Reviewed-by: Alain Michaud <alainm@xxxxxxxxxxxx>
Reviewed-by: Howard Chung <howardchung@xxxxxxxxxx>
---
src/error.c | 124 +++++++++++++++++++++++++++++++++++++
src/error.h | 171 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 295 insertions(+)
diff --git a/src/error.c b/src/error.c
index 89517075e..b72e3d764 100644
--- a/src/error.c
+++ b/src/error.c
@@ -27,6 +27,7 @@
#include <config.h>
#endif
+#include <stdio.h>
#include "gdbus/gdbus.h"
#include "error.h"
@@ -43,6 +44,15 @@ DBusMessage *btd_error_invalid_args_str(DBusMessage *msg, const char *str)
"%s", str);
}
+DBusMessage *btd_error_invalid_args_err(DBusMessage *msg, uint16_t err)
+{
+ char str[16];
+
+ sprintf(str, "BtdError:0x%04X", err);
+ return g_dbus_create_error(msg, ERROR_INTERFACE ".InvalidArguments",
+ "%s", str);
+}
+
DBusMessage *btd_error_busy(DBusMessage *msg)
{
return g_dbus_create_error(msg, ERROR_INTERFACE ".InProgress",
@@ -79,12 +89,30 @@ DBusMessage *btd_error_in_progress(DBusMessage *msg)
"In Progress");
}
+DBusMessage *btd_error_in_progress_err(DBusMessage *msg, uint16_t err)
+{
+ char str[16];
+
+ sprintf(str, "BtdError:0x%04X", err);
+ return g_dbus_create_error(msg, ERROR_INTERFACE ".InProgress", "%s",
+ str);
+}
+
DBusMessage *btd_error_not_available(DBusMessage *msg)
{
return g_dbus_create_error(msg, ERROR_INTERFACE ".NotAvailable",
"Operation currently not available");
}
+DBusMessage *btd_error_not_available_err(DBusMessage *msg, uint16_t err)
+{
+ char str[16];
+
+ sprintf(str, "BtdError:0x%04X", err);
+ return g_dbus_create_error(msg, ERROR_INTERFACE ".NotAvailable", "%s",
+ str);
+}
+
DBusMessage *btd_error_does_not_exist(DBusMessage *msg)
{
return g_dbus_create_error(msg, ERROR_INTERFACE ".DoesNotExist",
@@ -121,8 +149,104 @@ DBusMessage *btd_error_not_ready(DBusMessage *msg)
"Resource Not Ready");
}
+DBusMessage *btd_error_not_ready_err(DBusMessage *msg, uint16_t err)
+{
+ char str[16];
+
+ sprintf(str, "BtdError:0x%04X", err);
+ return g_dbus_create_error(msg, ERROR_INTERFACE ".NotReady", "%s", str);
+}
+
DBusMessage *btd_error_failed(DBusMessage *msg, const char *str)
{
return g_dbus_create_error(msg, ERROR_INTERFACE
".Failed", "%s", str);
}
+
+DBusMessage *btd_error_failed_err(DBusMessage *msg, uint16_t err)
+{
+ char str[16];
+
+ sprintf(str, "BtdError:0x%04X", err);
+ return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed", "%s", str);
+}
+
+uint16_t btd_error_bredr_conn_from_errno(int errno_code)
+{
+ switch (-errno_code) {
+ case EALREADY:
+ case EISCONN: // Fall through
+ return BTD_ERR_BREDR_CONN_ALREADY_CONNECTED;
+ case EHOSTDOWN:
+ return BTD_ERR_BREDR_CONN_PAGE_TIMEOUT;
+ case ENOPROTOOPT:
+ return BTD_ERR_BREDR_CONN_PROFILE_UNAVAILABLE;
+ case EIO:
+ return BTD_ERR_BREDR_CONN_CREATE_SOCKET;
+ case EINVAL:
+ return BTD_ERR_BREDR_CONN_INVALID_ARGUMENTS;
+ case EHOSTUNREACH:
+ return BTD_ERR_BREDR_CONN_ADAPTER_NOT_POWERED;
+ case EOPNOTSUPP:
+ case EPROTONOSUPPORT: // Fall through
+ return BTD_ERR_BREDR_CONN_NOT_SUPPORTED;
+ case EBADFD:
+ return BTD_ERR_BREDR_CONN_BAD_SOCKET;
+ case ENOMEM:
+ return BTD_ERR_BREDR_CONN_MEMORY_ALLOC;
+ case EBUSY:
+ return BTD_ERR_BREDR_CONN_BUSY;
+ case EMLINK:
+ return BTD_ERR_BREDR_CONN_SYNC_CONNECT_LIMIT;
+ case ETIMEDOUT:
+ return BTD_ERR_BREDR_CONN_TIMEOUT;
+ case ECONNREFUSED:
+ return BTD_ERR_BREDR_CONN_REFUSED;
+ case ECONNRESET:
+ return BTD_ERR_BREDR_CONN_TERM_BY_REMOTE;
+ case ECONNABORTED:
+ return BTD_ERR_BREDR_CONN_TERM_BY_LOCAL;
+ case EPROTO:
+ return BTD_ERR_BREDR_CONN_PROTO_ERROR;
+ default:
+ return BTD_ERR_BREDR_CONN_UNKNOWN;
+ }
+}
+
+uint16_t btd_error_le_conn_from_errno(int errno_code)
+{
+ switch (-errno_code) {
+ case EINVAL:
+ return BTD_ERR_LE_CONN_INVALID_ARGUMENTS;
+ case EHOSTUNREACH:
+ return BTD_ERR_LE_CONN_ADAPTER_NOT_POWERED;
+ case EOPNOTSUPP:
+ case EPROTONOSUPPORT: // Fall through
+ return BTD_ERR_LE_CONN_NOT_SUPPORTED;
+ case EALREADY:
+ case EISCONN: // Fall through
+ return BTD_ERR_LE_CONN_ALREADY_CONNECTED;
+ case EBADFD:
+ return BTD_ERR_LE_CONN_BAD_SOCKET;
+ case ENOMEM:
+ return BTD_ERR_LE_CONN_MEMORY_ALLOC;
+ case EBUSY:
+ return BTD_ERR_LE_CONN_BUSY;
+ case ECONNREFUSED:
+ return BTD_ERR_LE_CONN_REFUSED;
+ case EIO:
+ return BTD_ERR_LE_CONN_CREATE_SOCKET;
+ case ETIMEDOUT:
+ return BTD_ERR_LE_CONN_TIMEOUT;
+ case EMLINK:
+ return BTD_ERR_LE_CONN_SYNC_CONNECT_LIMIT;
+ case ECONNRESET:
+ return BTD_ERR_LE_CONN_TERM_BY_REMOTE;
+ case ECONNABORTED:
+ return BTD_ERR_LE_CONN_TERM_BY_LOCAL;
+ case EPROTO:
+ return BTD_ERR_LE_CONN_PROTO_ERROR;
+ default:
+ return BTD_ERR_LE_CONN_UNKNOWN;
+ }
+}
diff --git a/src/error.h b/src/error.h
index 7c8cad066..f258cc4e7 100644
--- a/src/error.h
+++ b/src/error.h
@@ -24,22 +24,193 @@
*/
#include <dbus/dbus.h>
+#include <stdint.h>
#define ERROR_INTERFACE "org.bluez.Error"
+/* BR/EDR connection failure reasons
+ * BT_ERR_* should be used as one of the parameters to btd_error_*_err().
+ */
+
+/* Either the profile is already connected or ACL connection is in
+ * place.
+ * errno: EALREADY, EISCONN
+ */
+#define BTD_ERR_BREDR_CONN_ALREADY_CONNECTED 0x0001
+/* Failed due to page timeout.
+ * errno: EHOSTDOWN
+ */
+#define BTD_ERR_BREDR_CONN_PAGE_TIMEOUT 0x0002
+/* Failed to find connectable services or the target service.
+ * errno: ENOPROTOOPT
+ */
+#define BTD_ERR_BREDR_CONN_PROFILE_UNAVAILABLE 0x0003
+/* Failed to complete the SDP search.
+ * errno: none
+ */
+#define BTD_ERR_BREDR_CONN_SDP_SEARCH 0x0004
+/* Failed to create or connect to BT IO socket. This can also indicate
+ * hardware failure in the controller.
+ * errno: EIO
+ */
+#define BTD_ERR_BREDR_CONN_CREATE_SOCKET 0x0005
+/* Failed due to invalid arguments.
+ * errno: EINVAL
+ */
+#define BTD_ERR_BREDR_CONN_INVALID_ARGUMENTS 0x0006
+/* Failed due to adapter not powered.
+ * errno: EHOSTUNREACH
+ */
+#define BTD_ERR_BREDR_CONN_ADAPTER_NOT_POWERED 0x0007
+/* Failed due to unsupported state transition of L2CAP channel or other
+ * features either by the local host or the remote.
+ * errno: EOPNOTSUPP, EPROTONOSUPPORT
+ */
+#define BTD_ERR_BREDR_CONN_NOT_SUPPORTED 0x0008
+/* Failed due to the socket is in bad state.
+ * errno: EBADFD
+ */
+#define BTD_ERR_BREDR_CONN_BAD_SOCKET 0x0009
+/* Failed to allocate memory in either host stack or controller.
+ * errno: ENOMEM
+ */
+#define BTD_ERR_BREDR_CONN_MEMORY_ALLOC 0x000A
+/* Failed due to other ongoing operations, such as pairing, busy L2CAP
+ * channel or the operation disallowed by the controller.
+ * errno: EBUSY
+ */
+#define BTD_ERR_BREDR_CONN_BUSY 0x000B
+/* Failed due to reaching the synchronous connection limit to a device.
+ * errno: EMLINK
+ */
+#define BTD_ERR_BREDR_CONN_SYNC_CONNECT_LIMIT 0x000C
+/* Failed due to connection timeout
+ * errno: ETIMEDOUT
+ */
+#define BTD_ERR_BREDR_CONN_TIMEOUT 0x000D
+/* Refused by the remote device due to limited resource, security reason
+ * or unacceptable address type.
+ * errno: ECONNREFUSED
+ */
+#define BTD_ERR_BREDR_CONN_REFUSED 0x000E
+/* Terminated by the remote device due to limited resource or power
+ * off.
+ * errno: ECONNRESET
+ */
+#define BTD_ERR_BREDR_CONN_TERM_BY_REMOTE 0x000F
+/* Terminated by the local host.
+ * errno: ECONNABORTED
+ */
+#define BTD_ERR_BREDR_CONN_TERM_BY_LOCAL 0x0010
+/* Failed due to LMP protocol error.
+ * errno: EPROTO
+ */
+#define BTD_ERR_BREDR_CONN_PROTO_ERROR 0x0011
+/* Failed due to cancellation caused by adapter drop, unexpected device drop,
+ * or incoming disconnection request before connection request is completed.
+ * errno: none
+ */
+#define BTD_ERR_BREDR_CONN_CANCELED 0x0012
+/* Failed due to unknown reason.
+ * errno: ENOSYS
+ */
+#define BTD_ERR_BREDR_CONN_UNKNOWN 0x0013
+
+/* LE connection failure reasons
+ * BT_ERR_* should be used as one of the parameters to btd_error_*_err().
+ */
+
+/* Failed due to invalid arguments.
+ * errno: EINVAL
+ */
+#define BTD_ERR_LE_CONN_INVALID_ARGUMENTS 0x0101
+/* Failed due to adapter not powered.
+ * errno: EHOSTUNREACH
+ */
+#define BTD_ERR_LE_CONN_ADAPTER_NOT_POWERED 0x0102
+/* Failed due to unsupported state transition of L2CAP channel or other
+ * features (e.g. LE features) either by the local host or the remote.
+ * errno: EOPNOTSUPP, EPROTONOSUPPORT
+ */
+#define BTD_ERR_LE_CONN_NOT_SUPPORTED 0x0103
+/* Either the BT IO is already connected or LE link connection in place.
+ * errno: EALREADY, EISCONN
+ */
+#define BTD_ERR_LE_CONN_ALREADY_CONNECTED 0x0104
+/* Failed due to the socket is in bad state.
+ * errno: EBADFD
+ */
+#define BTD_ERR_LE_CONN_BAD_SOCKET 0x0105
+/* Failed to allocate memory in either host stack or controller.
+ * errno: ENOMEM
+ */
+#define BTD_ERR_LE_CONN_MEMORY_ALLOC 0x0106
+/* Failed due to other ongoing operations, such as pairing, connecting, busy
+ * L2CAP channel or the operation disallowed by the controller.
+ * errno: EBUSY
+ */
+#define BTD_ERR_LE_CONN_BUSY 0x0107
+/* Failed due to that LE is not enabled or the attempt is refused by the remote
+ * device due to limited resource, security reason or unacceptable address type.
+ * errno: ECONNREFUSED
+ */
+#define BTD_ERR_LE_CONN_REFUSED 0x0108
+/* Failed to create or connect to BT IO socket. This can also indicate
+ * hardware failure in the controller.
+ * errno: EIO
+ */
+#define BTD_ERR_LE_CONN_CREATE_SOCKET 0x0109
+/* Failed due to connection timeout
+ * errno: ETIMEDOUT
+ */
+#define BTD_ERR_LE_CONN_TIMEOUT 0x010A
+/* Failed due to reaching the synchronous connection limit to a device.
+ * errno: EMLINK
+ */
+#define BTD_ERR_LE_CONN_SYNC_CONNECT_LIMIT 0x010B
+/* Terminated by the remote device due to limited resource or power
+ * off.
+ * errno: ECONNRESET
+ */
+#define BTD_ERR_LE_CONN_TERM_BY_REMOTE 0x010C
+/* Terminated by the local host.
+ * errno: ECONNABORTED
+ */
+#define BTD_ERR_LE_CONN_TERM_BY_LOCAL 0x010D
+/* Failed due to LL protocol error.
+ * errno: EPROTO
+ */
+#define BTD_ERR_LE_CONN_PROTO_ERROR 0x010E
+/* Failed to complete the GATT browsing.
+ * errno: none
+ */
+#define BTD_ERR_LE_CONN_GATT_BROWSE 0x010F
+/* Failed due to unknown reason.
+ * errno: ENOSYS
+ */
+#define BTD_ERR_LE_CONN_UNKNOWN 0x0110
+
DBusMessage *btd_error_invalid_args(DBusMessage *msg);
DBusMessage *btd_error_invalid_args_str(DBusMessage *msg, const char *str);
+DBusMessage *btd_error_invalid_args_err(DBusMessage *msg, uint16_t err);
DBusMessage *btd_error_busy(DBusMessage *msg);
DBusMessage *btd_error_already_exists(DBusMessage *msg);
DBusMessage *btd_error_not_supported(DBusMessage *msg);
DBusMessage *btd_error_not_connected(DBusMessage *msg);
DBusMessage *btd_error_already_connected(DBusMessage *msg);
DBusMessage *btd_error_not_available(DBusMessage *msg);
+DBusMessage *btd_error_not_available_err(DBusMessage *msg, uint16_t err);
DBusMessage *btd_error_in_progress(DBusMessage *msg);
+DBusMessage *btd_error_in_progress_err(DBusMessage *msg, uint16_t err);
DBusMessage *btd_error_does_not_exist(DBusMessage *msg);
DBusMessage *btd_error_not_authorized(DBusMessage *msg);
DBusMessage *btd_error_not_permitted(DBusMessage *msg, const char *str);
DBusMessage *btd_error_no_such_adapter(DBusMessage *msg);
DBusMessage *btd_error_agent_not_available(DBusMessage *msg);
DBusMessage *btd_error_not_ready(DBusMessage *msg);
+DBusMessage *btd_error_not_ready_err(DBusMessage *msg, uint16_t err);
DBusMessage *btd_error_failed(DBusMessage *msg, const char *str);
+DBusMessage *btd_error_failed_err(DBusMessage *msg, uint16_t err);
+
+uint16_t btd_error_bredr_conn_from_errno(int errno_code);
+uint16_t btd_error_le_conn_from_errno(int errno_code);
--
2.32.0.288.g62a8d224e6-goog
