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qapi: Inline do_qmp_dispatch() into qmp_dispatch()

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Both functions check @request is a QDict, and both have code for
QCO_NO_SUCCESS_RESP.  This wasn't the case back when they were
created.  It's a sign of muddled responsibilities.  Inline.  The next
commits will clean up some more.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200317115459.31821-22-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-03-17 12:54:46 +01:00
parent 84ab008687
commit cf4a0643c8
1 changed files with 63 additions and 71 deletions
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134
qapi/qmp-dispatch.c
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@ -75,75 +75,6 @@ static QDict *qmp_dispatch_check_obj(const QObject *request, bool allow_oob,
return dict;
}
static QObject *do_qmp_dispatch(QmpCommandList *cmds, QObject *request,
bool allow_oob, Error **errp)
{
Error *local_err = NULL;
bool oob;
const char *command;
QDict *args, *dict;
QmpCommand *cmd;
QObject *ret = NULL;
dict = qmp_dispatch_check_obj(request, allow_oob, errp);
if (!dict) {
return NULL;
}
command = qdict_get_try_str(dict, "execute");
oob = false;
if (!command) {
assert(allow_oob);
command = qdict_get_str(dict, "exec-oob");
oob = true;
}
cmd = qmp_find_command(cmds, command);
if (cmd == NULL) {
error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
"The command %s has not been found", command);
return NULL;
}
if (!cmd->enabled) {
error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
"The command %s has been disabled for this instance",
command);
return NULL;
}
if (oob && !(cmd->options & QCO_ALLOW_OOB)) {
error_setg(errp, "The command %s does not support OOB",
command);
return NULL;
}
if (runstate_check(RUN_STATE_PRECONFIG) &&
!(cmd->options & QCO_ALLOW_PRECONFIG)) {
error_setg(errp, "The command '%s' isn't permitted in '%s' state",
cmd->name, RunState_str(RUN_STATE_PRECONFIG));
return NULL;
}
if (!qdict_haskey(dict, "arguments")) {
args = qdict_new();
} else {
args = qdict_get_qdict(dict, "arguments");
qobject_ref(args);
}
cmd->fn(args, &ret, &local_err);
if (local_err) {
error_propagate(errp, local_err);
} else if (cmd->options & QCO_NO_SUCCESS_RESP) {
g_assert(!ret);
} else if (!ret) {
/* TODO turn into assertion */
ret = QOBJECT(qdict_new());
}
qobject_unref(args);
return ret;
}
QDict *qmp_error_response(Error *err)
{
QDict *rsp;
@ -168,11 +99,72 @@ QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
bool allow_oob)
{
Error *err = NULL;
bool oob;
const char *command;
QDict *args;
QmpCommand *cmd;
QDict *dict = qobject_to(QDict, request);
QObject *ret, *id = dict ? qdict_get(dict, "id") : NULL;
QObject *id = dict ? qdict_get(dict, "id") : NULL;
QObject *ret = NULL;
QDict *rsp;
ret = do_qmp_dispatch(cmds, request, allow_oob, &err);
dict = qmp_dispatch_check_obj(request, allow_oob, &err);
if (!dict) {
goto out;
}
command = qdict_get_try_str(dict, "execute");
oob = false;
if (!command) {
assert(allow_oob);
command = qdict_get_str(dict, "exec-oob");
oob = true;
}
cmd = qmp_find_command(cmds, command);
if (cmd == NULL) {
error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND,
"The command %s has not been found", command);
goto out;
}
if (!cmd->enabled) {
error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND,
"The command %s has been disabled for this instance",
command);
goto out;
}
if (oob && !(cmd->options & QCO_ALLOW_OOB)) {
error_setg(&err, "The command %s does not support OOB",
command);
goto out;
}
if (runstate_check(RUN_STATE_PRECONFIG) &&
!(cmd->options & QCO_ALLOW_PRECONFIG)) {
error_setg(&err, "The command '%s' isn't permitted in '%s' state",
cmd->name, RunState_str(RUN_STATE_PRECONFIG));
goto out;
}
if (!qdict_haskey(dict, "arguments")) {
args = qdict_new();
} else {
args = qdict_get_qdict(dict, "arguments");
qobject_ref(args);
}
cmd->fn(args, &ret, &err);
if (err) {
;
} else if (cmd->options & QCO_NO_SUCCESS_RESP) {
g_assert(!ret);
} else if (!ret) {
/* TODO turn into assertion */
ret = QOBJECT(qdict_new());
}
qobject_unref(args);
out:
if (err) {
rsp = qmp_error_response(err);
} else if (ret) {