init

error.v

@@ -0,0 +1,49 @@
+// This file is part of qga.
+//
+// qga is free software: you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License as published by the
+// Free Software Foundation, either version 3 of the License, or (at your
+// option) any later version.
+//
+// qga is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+// License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with qga. If not, see <https://www.gnu.org/licenses/>.
+
+module qga
+
+// Connection to socket failed.
+pub const err_no_connect = 1000
+
+// Cannot read data from socket.
+pub const err_cannot_read = 1001
+
+// Cannot write to socket.
+pub const err_cannot_write = 1002
+
+// Read or write timeout reached. This may cause if guest agent daemon is shut off in guest.
+pub const err_timed_out = 1003
+
+// Guest agent returned an error. See details in `class` and `desc` fields of `GuestAgentError`.
+pub const err_from_agent = 1004
+
+pub struct GuestAgentError {
+pub:
+	msg            string  // human-readable error message
+	code           int     // error code (see err_* constants in this module)
+	class          string  // error class provided by QEMU Guest Agent Protocol
+	desc           string  // error desc provided by QEMU Guest Agent Protocol
+	is_unreachable bool    // true if the error means the guest agent could not be reached
+	err            ?IError // the underlying error if available
+}
+
+pub fn (e GuestAgentError) msg() string {
+	return if e.is_unreachable { e.msg } else { '${e.msg}: class=${e.class} desc=${e.desc}' }
+}
+
+pub fn (e GuestAgentError) code() int {
+	return e.code
+}