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monitor: Limit QError use to command handlers 

The previous commits narrowed use of QError to handle_qmp_command()
and its helpers monitor_protocol_emitter(), build_qmp_error_dict().
Narrow it further to just the command handler call: instead of
converting Error to QError throughout handle_qmp_command(), convert
the QError gotten from the command handler to Error, and switch the
helpers from QError to Error.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Markus Armbruster 2015-03-06 11:28:00 +01:00
parent 452e0300a3
commit 710aec915d
1 changed files with 14 additions and 13 deletions
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27
monitor.c
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@ -391,19 +391,19 @@ static void monitor_json_emitter(Monitor *mon, const QObject *data)
QDECREF(json);
}
static QDict *build_qmp_error_dict(const QError *err)
static QDict *build_qmp_error_dict(Error *err)
{
QObject *obj;
obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %p } }",
ErrorClass_lookup[err->err_class],
qerror_human(err));
obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %s } }",
ErrorClass_lookup[error_get_class(err)],
error_get_pretty(err));
return qobject_to_qdict(obj);
}
static void monitor_protocol_emitter(Monitor *mon, QObject *data,
QError *err)
Error *err)
{
QDict *qmp;
@ -4983,13 +4983,12 @@ static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
obj = json_parser_parse(tokens, NULL);
if (!obj) {
// FIXME: should be triggered in json_parser_parse()
qerror_report(QERR_JSON_PARSING);
error_set(&local_err, QERR_JSON_PARSING);
goto err_out;
}
input = qmp_check_input_obj(obj, &local_err);
if (!input) {
qerror_report_err(local_err);
qobject_decref(obj);
goto err_out;
}
@ -5001,12 +5000,11 @@ static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
trace_handle_qmp_command(mon, cmd_name);
cmd = qmp_find_cmd(cmd_name);
if (!cmd) {
qerror_report(ERROR_CLASS_COMMAND_NOT_FOUND,
"The command %s has not been found", cmd_name);
error_set(&local_err, ERROR_CLASS_COMMAND_NOT_FOUND,
"The command %s has not been found", cmd_name);
goto err_out;
}
if (invalid_qmp_mode(mon, cmd, &local_err)) {
qerror_report_err(local_err);
goto err_out;
}
@ -5020,7 +5018,6 @@ static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
qmp_check_client_args(cmd, args, &local_err);
if (local_err) {
qerror_report_err(local_err);
goto err_out;
}
@ -5028,12 +5025,16 @@ static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
/* Command failed... */
if (!mon->error) {
/* ... without setting an error, so make one up */
qerror_report(QERR_UNDEFINED_ERROR);
error_set(&local_err, QERR_UNDEFINED_ERROR);
}
}
if (mon->error) {
error_set(&local_err, mon->error->err_class, "%s",
mon->error->err_msg);
}
err_out:
monitor_protocol_emitter(mon, data, mon->error);
monitor_protocol_emitter(mon, data, local_err);
qobject_decref(data);
QDECREF(mon->error);
mon->error = NULL;