diff options
author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2019-02-20 16:42:53 +0100 |
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committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2019-03-18 10:48:06 -0500 |
commit | 4eaca8de268d74ac5daaf8938abcb69d37ba2889 (patch) | |
tree | 1723cafb6a59b7e4df3d266fb4e2d0b196b56a15 /monitor.c | |
parent | 781f2b3d1e5ef389b44016a897fd55e7a780bf35 (diff) | |
download | qemu-4eaca8de268d74ac5daaf8938abcb69d37ba2889.zip qemu-4eaca8de268d74ac5daaf8938abcb69d37ba2889.tar.gz qemu-4eaca8de268d74ac5daaf8938abcb69d37ba2889.tar.bz2 |
qmp: common 'id' handling & make QGA conform to QMP spec
Let qmp_dispatch() copy the 'id' field. That way any qmp client will
conform to the specification, including QGA. Furthermore, it
simplifies the work for qemu monitor.
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'monitor.c')
-rw-r--r-- | monitor.c | 33 |
1 files changed, 12 insertions, 21 deletions
@@ -250,8 +250,6 @@ QEMUBH *qmp_dispatcher_bh; struct QMPRequest { /* Owner of the request */ Monitor *mon; - /* "id" field of the request */ - QObject *id; /* * Request object to be handled or Error to be reported * (exactly one of them is non-null) @@ -353,7 +351,6 @@ int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, static void qmp_request_free(QMPRequest *req) { - qobject_unref(req->id); qobject_unref(req->req); error_free(req->err); g_free(req); @@ -4108,18 +4105,14 @@ static int monitor_can_read(void *opaque) * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP. * Nothing is emitted then. */ -static void monitor_qmp_respond(Monitor *mon, QDict *rsp, QObject *id) +static void monitor_qmp_respond(Monitor *mon, QDict *rsp) { if (rsp) { - if (id) { - qdict_put_obj(rsp, "id", qobject_ref(id)); - } - qmp_send_response(mon, rsp); } } -static void monitor_qmp_dispatch(Monitor *mon, QObject *req, QObject *id) +static void monitor_qmp_dispatch(Monitor *mon, QObject *req) { Monitor *old_mon; QDict *rsp; @@ -4144,7 +4137,7 @@ static void monitor_qmp_dispatch(Monitor *mon, QObject *req, QObject *id) } } - monitor_qmp_respond(mon, rsp, id); + monitor_qmp_respond(mon, rsp); qobject_unref(rsp); } @@ -4208,13 +4201,15 @@ static void monitor_qmp_bh_dispatcher(void *data) mon->qmp.qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1; qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); if (req_obj->req) { - trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj->id) ?: ""); - monitor_qmp_dispatch(mon, req_obj->req, req_obj->id); + QDict *qdict = qobject_to(QDict, req_obj->req); + QObject *id = qdict ? qdict_get(qdict, "id") : NULL; + trace_monitor_qmp_cmd_in_band(qobject_get_try_str(id) ?: ""); + monitor_qmp_dispatch(mon, req_obj->req); } else { assert(req_obj->err); rsp = qmp_error_response(req_obj->err); req_obj->err = NULL; - monitor_qmp_respond(mon, rsp, NULL); + monitor_qmp_respond(mon, rsp); qobject_unref(rsp); } @@ -4239,8 +4234,7 @@ static void handle_qmp_command(void *opaque, QObject *req, Error *err) qdict = qobject_to(QDict, req); if (qdict) { - id = qobject_ref(qdict_get(qdict, "id")); - qdict_del(qdict, "id"); + id = qdict_get(qdict, "id"); } /* else will fail qmp_dispatch() */ if (req && trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) { @@ -4251,17 +4245,14 @@ static void handle_qmp_command(void *opaque, QObject *req, Error *err) if (qdict && qmp_is_oob(qdict)) { /* OOB commands are executed immediately */ - trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id) - ?: ""); - monitor_qmp_dispatch(mon, req, id); + trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id) ?: ""); + monitor_qmp_dispatch(mon, req); qobject_unref(req); - qobject_unref(id); return; } req_obj = g_new0(QMPRequest, 1); req_obj->mon = mon; - req_obj->id = id; req_obj->req = req; req_obj->err = err; @@ -4281,7 +4272,7 @@ static void handle_qmp_command(void *opaque, QObject *req, Error *err) /* * Put the request to the end of queue so that requests will be - * handled in time order. Ownership for req_obj, req, id, + * handled in time order. Ownership for req_obj, req, * etc. will be delivered to the handler side. */ assert(mon->qmp.qmp_requests->length < QMP_REQ_QUEUE_LEN_MAX); |