error: BR/EDR and LE connection failure reasons

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@chromium.org>
Reviewed-by: Howard Chung <howardchung@google.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/src/error.c b/src/error.c
index dd85cd288..29c071067 100644
--- a/src/error.c
+++ b/src/error.c
@@ -14,6 +14,8 @@
 #include <config.h>
 #endif
 
+#include <errno.h>
+#include <stdio.h>
 #include "gdbus/gdbus.h"
 
 #include "error.h"
@@ -66,12 +68,24 @@ DBusMessage *btd_error_in_progress(DBusMessage *msg)
 					"In Progress");
 }
 
+DBusMessage *btd_error_in_progress_str(DBusMessage *msg, const char *str)
+{
+	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_str(DBusMessage *msg, const char *str)
+{
+	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",
@@ -108,8 +122,94 @@ DBusMessage *btd_error_not_ready(DBusMessage *msg)
 					"Resource Not Ready");
 }
 
+DBusMessage *btd_error_not_ready_str(DBusMessage *msg, const char *str)
+{
+	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);
 }
+
+const char *btd_error_bredr_conn_from_errno(int errno_code)
+{
+	switch (-errno_code) {
+	case EALREADY:
+	case EISCONN:
+		return ERR_BREDR_CONN_ALREADY_CONNECTED;
+	case EHOSTDOWN:
+		return ERR_BREDR_CONN_PAGE_TIMEOUT;
+	case ENOPROTOOPT:
+		return ERR_BREDR_CONN_PROFILE_UNAVAILABLE;
+	case EIO:
+		return ERR_BREDR_CONN_CREATE_SOCKET;
+	case EINVAL:
+		return ERR_BREDR_CONN_INVALID_ARGUMENTS;
+	case EHOSTUNREACH:
+		return ERR_BREDR_CONN_ADAPTER_NOT_POWERED;
+	case EOPNOTSUPP:
+	case EPROTONOSUPPORT:
+		return ERR_BREDR_CONN_NOT_SUPPORTED;
+	case EBADFD:
+		return ERR_BREDR_CONN_BAD_SOCKET;
+	case ENOMEM:
+		return ERR_BREDR_CONN_MEMORY_ALLOC;
+	case EBUSY:
+		return ERR_BREDR_CONN_BUSY;
+	case EMLINK:
+		return ERR_BREDR_CONN_CNCR_CONNECT_LIMIT;
+	case ETIMEDOUT:
+		return ERR_BREDR_CONN_TIMEOUT;
+	case ECONNREFUSED:
+		return ERR_BREDR_CONN_REFUSED;
+	case ECONNRESET:
+		return ERR_BREDR_CONN_ABORT_BY_REMOTE;
+	case ECONNABORTED:
+		return ERR_BREDR_CONN_ABORT_BY_LOCAL;
+	case EPROTO:
+		return ERR_BREDR_CONN_LMP_PROTO_ERROR;
+	default:
+		return ERR_BREDR_CONN_UNKNOWN;
+	}
+}
+
+const char *btd_error_le_conn_from_errno(int errno_code)
+{
+	switch (-errno_code) {
+	case EINVAL:
+		return ERR_LE_CONN_INVALID_ARGUMENTS;
+	case EHOSTUNREACH:
+		return ERR_LE_CONN_ADAPTER_NOT_POWERED;
+	case EOPNOTSUPP:
+	case EPROTONOSUPPORT:
+		return ERR_LE_CONN_NOT_SUPPORTED;
+	case EALREADY:
+	case EISCONN:
+		return ERR_LE_CONN_ALREADY_CONNECTED;
+	case EBADFD:
+		return ERR_LE_CONN_BAD_SOCKET;
+	case ENOMEM:
+		return ERR_LE_CONN_MEMORY_ALLOC;
+	case EBUSY:
+		return ERR_LE_CONN_BUSY;
+	case ECONNREFUSED:
+		return ERR_LE_CONN_REFUSED;
+	case EIO:
+		return ERR_LE_CONN_CREATE_SOCKET;
+	case ETIMEDOUT:
+		return ERR_LE_CONN_TIMEOUT;
+	case EMLINK:
+		return ERR_LE_CONN_SYNC_CONNECT_LIMIT;
+	case ECONNRESET:
+		return ERR_LE_CONN_ABORT_BY_REMOTE;
+	case ECONNABORTED:
+		return ERR_LE_CONN_ABORT_BY_LOCAL;
+	case EPROTO:
+		return ERR_LE_CONN_LL_PROTO_ERROR;
+	default:
+		return ERR_LE_CONN_UNKNOWN;
+	}
+}