By using the more specific type, we get fewer downcasts. The
downcasts are safe, but not obviously so, at least not locally.
Signed-off-by: Markus Armbruster <arm...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
Message-Id: <20180703085358.13941-24-arm...@redhat.com>
---
include/qapi/qmp/dispatch.h | 4 ++--
monitor.c | 31 ++++++++++++++++---------------
qapi/qmp-dispatch.c | 6 +++---
qga/main.c | 8 ++++----
tests/test-qmp-cmds.c | 17 +++++++----------
5 files changed, 32 insertions(+), 34 deletions(-)
diff --git a/include/qapi/qmp/dispatch.h b/include/qapi/qmp/dispatch.h
index a53e11c9b1..4e2e749faf 100644
--- a/include/qapi/qmp/dispatch.h
+++ b/include/qapi/qmp/dispatch.h
@@ -48,8 +48,8 @@ bool qmp_command_is_enabled(const QmpCommand *cmd);
const char *qmp_command_name(const QmpCommand *cmd);
bool qmp_has_success_response(const QmpCommand *cmd);
QDict *qmp_error_response(Error *err);
-QObject *qmp_dispatch(QmpCommandList *cmds, QObject *request,
- bool allow_oob);
+QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
+ bool allow_oob);
bool qmp_is_oob(QDict *dict);
typedef void (*qmp_cmd_callback_fn)(QmpCommand *cmd, void *opaque);
diff --git a/monitor.c b/monitor.c
index 6284efe33e..8237b1c916 100644
--- a/monitor.c
+++ b/monitor.c
@@ -379,7 +379,7 @@ static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon)
static void monitor_qmp_cleanup_resp_queue_locked(Monitor *mon)
{
while (!g_queue_is_empty(mon->qmp.qmp_responses)) {
- qobject_unref((QObject *)g_queue_pop_head(mon->qmp.qmp_responses));
+ qobject_unref((QDict *)g_queue_pop_head(mon->qmp.qmp_responses));
}
}
@@ -528,7 +528,8 @@ static void monitor_json_emitter(Monitor *mon, QObject
*data)
* responder thread).
*/
qemu_mutex_lock(&mon->qmp.qmp_queue_lock);
- g_queue_push_tail(mon->qmp.qmp_responses, qobject_ref(data));
+ g_queue_push_tail(mon->qmp.qmp_responses,
+ qobject_ref(qobject_to(QDict, data)));
qemu_mutex_unlock(&mon->qmp.qmp_queue_lock);
qemu_bh_schedule(qmp_respond_bh);
} else {
@@ -542,13 +543,13 @@ static void monitor_json_emitter(Monitor *mon, QObject
*data)
struct QMPResponse {
Monitor *mon;
- QObject *data;
+ QDict *data;
};
typedef struct QMPResponse QMPResponse;
-static QObject *monitor_qmp_response_pop_one(Monitor *mon)
+static QDict *monitor_qmp_response_pop_one(Monitor *mon)
{
- QObject *data;
+ QDict *data;
qemu_mutex_lock(&mon->qmp.qmp_queue_lock);
data = g_queue_pop_head(mon->qmp.qmp_responses);
@@ -559,10 +560,10 @@ static QObject *monitor_qmp_response_pop_one(Monitor *mon)
static void monitor_qmp_response_flush(Monitor *mon)
{
- QObject *data;
+ QDict *data;
while ((data = monitor_qmp_response_pop_one(mon))) {
- monitor_json_emitter_raw(mon, data);
+ monitor_json_emitter_raw(mon, QOBJECT(data));
qobject_unref(data);
}
}
@@ -574,7 +575,7 @@ static void monitor_qmp_response_flush(Monitor *mon)
static bool monitor_qmp_response_pop_any(QMPResponse *response)
{
Monitor *mon;
- QObject *data = NULL;
+ QDict *data = NULL;
qemu_mutex_lock(&monitor_lock);
QTAILQ_FOREACH(mon, &mon_list, entry) {
@@ -594,7 +595,7 @@ static void monitor_qmp_bh_responder(void *opaque)
QMPResponse response;
while (monitor_qmp_response_pop_any(&response)) {
- monitor_json_emitter_raw(response.mon, response.data);
+ monitor_json_emitter_raw(response.mon, QOBJECT(response.data));
qobject_unref(response.data);
}
}
@@ -4104,20 +4105,20 @@ static int monitor_can_read(void *opaque)
* 2. rsp, err, and id may be NULL.
* 3. If err != NULL then rsp must be NULL.
*/
-static void monitor_qmp_respond(Monitor *mon, QObject *rsp,
+static void monitor_qmp_respond(Monitor *mon, QDict *rsp,
Error *err, QObject *id)
{
if (err) {
assert(!rsp);
- rsp = QOBJECT(qmp_error_response(err));
+ rsp = qmp_error_response(err);
}
if (rsp) {
if (id) {
- qdict_put_obj(qobject_to(QDict, rsp), "id", qobject_ref(id));
+ qdict_put_obj(rsp, "id", qobject_ref(id));
}
- monitor_json_emitter(mon, rsp);
+ monitor_json_emitter(mon, QOBJECT(rsp));
}
qobject_unref(id);
@@ -4127,7 +4128,7 @@ static void monitor_qmp_respond(Monitor *mon, QObject
*rsp,
static void monitor_qmp_dispatch(Monitor *mon, QObject *req, QObject *id)
{
Monitor *old_mon;
- QObject *rsp;
+ QDict *rsp;
QDict *error;
old_mon = cur_mon;
@@ -4138,7 +4139,7 @@ static void monitor_qmp_dispatch(Monitor *mon, QObject
*req, QObject *id)
cur_mon = old_mon;
if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
- error = qdict_get_qdict(qobject_to(QDict, rsp), "error");
+ error = qdict_get_qdict(rsp, "error");
if (error
&& !g_strcmp0(qdict_get_try_str(error, "class"),
QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index c85748a33f..761812e924 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -161,8 +161,8 @@ bool qmp_is_oob(QDict *dict)
&& !qdict_haskey(dict, "execute");
}
-QObject *qmp_dispatch(QmpCommandList *cmds, QObject *request,
- bool allow_oob)
+QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
+ bool allow_oob)
{
Error *err = NULL;
QObject *ret;
@@ -179,5 +179,5 @@ QObject *qmp_dispatch(QmpCommandList *cmds, QObject
*request,
rsp = NULL;
}
- return QOBJECT(rsp);
+ return rsp;
}
diff --git a/qga/main.c b/qga/main.c
index 0e30e30248..537cc0e162 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -545,7 +545,7 @@ fail:
#endif
}
-static int send_response(GAState *s, QObject *payload)
+static int send_response(GAState *s, QDict *payload)
{
const char *buf;
QString *payload_qstr, *response_qstr;
@@ -553,7 +553,7 @@ static int send_response(GAState *s, QObject *payload)
g_assert(payload && s->channel);
- payload_qstr = qobject_to_json(payload);
+ payload_qstr = qobject_to_json(QOBJECT(payload));
if (!payload_qstr) {
return -EINVAL;
}
@@ -581,7 +581,7 @@ static int send_response(GAState *s, QObject *payload)
static void process_command(GAState *s, QDict *req)
{
- QObject *rsp = NULL;
+ QDict *rsp;
int ret;
g_assert(req);
@@ -629,7 +629,7 @@ static void process_event(JSONMessageParser *parser, GQueue
*tokens)
error_setg(&err, QERR_UNSUPPORTED);
qdict = qmp_error_response(err);
}
- ret = send_response(s, QOBJECT(qdict));
+ ret = send_response(s, qdict);
if (ret < 0) {
g_warning("error sending error response: %s", strerror(-ret));
}
diff --git a/tests/test-qmp-cmds.c b/tests/test-qmp-cmds.c
index 10c7ba40c1..afb338a61e 100644
--- a/tests/test-qmp-cmds.c
+++ b/tests/test-qmp-cmds.c
@@ -98,13 +98,13 @@ __org_qemu_x_Union1
*qmp___org_qemu_x_command(__org_qemu_x_EnumList *a,
static void test_dispatch_cmd(void)
{
QDict *req = qdict_new();
- QObject *resp;
+ QDict *resp;
qdict_put_str(req, "execute", "user_def_cmd");
resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false);
assert(resp != NULL);
- assert(!qdict_haskey(qobject_to(QDict, resp), "error"));
+ assert(!qdict_haskey(resp, "error"));
qobject_unref(resp);
qobject_unref(req);
@@ -115,13 +115,13 @@ static void test_dispatch_cmd_failure(void)
{
QDict *req = qdict_new();
QDict *args = qdict_new();
- QObject *resp;
+ QDict *resp;
qdict_put_str(req, "execute", "user_def_cmd2");
resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false);
assert(resp != NULL);
- assert(qdict_haskey(qobject_to(QDict, resp), "error"));
+ assert(qdict_haskey(resp, "error"));
qobject_unref(resp);
qobject_unref(req);
@@ -135,7 +135,7 @@ static void test_dispatch_cmd_failure(void)
resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false);
assert(resp != NULL);
- assert(qdict_haskey(qobject_to(QDict, resp), "error"));
+ assert(qdict_haskey(resp, "error"));
qobject_unref(resp);
qobject_unref(req);
@@ -143,18 +143,15 @@ static void test_dispatch_cmd_failure(void)
static QObject *test_qmp_dispatch(QDict *req)
{
- QObject *resp_obj;
QDict *resp;
QObject *ret;
- resp_obj = qmp_dispatch(&qmp_commands, QOBJECT(req), false);
- assert(resp_obj);
- resp = qobject_to(QDict, resp_obj);
+ resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false);
assert(resp && !qdict_haskey(resp, "error"));
ret = qdict_get(resp, "return");
assert(ret);
qobject_ref(ret);
- qobject_unref(resp_obj);
+ qobject_unref(resp);
return ret;
}
--
2.17.1
