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[PATCH v3 21/34] qapi: Inline do_qmp_dispatch() into qmp_dispatch()


From: Markus Armbruster
Subject: [PATCH v3 21/34] qapi: Inline do_qmp_dispatch() into qmp_dispatch()
Date: Sun, 15 Mar 2020 15:46:40 +0100

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 <address@hidden>
---
 qapi/qmp-dispatch.c | 90 +++++++++++++++++++++------------------------
 1 file changed, 41 insertions(+), 49 deletions(-)

diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index bc264b3c9b..a588072523 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -75,19 +75,42 @@ 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)
+QDict *qmp_error_response(Error *err)
 {
-    Error *local_err = NULL;
+    QDict *rsp;
+
+    rsp = qdict_from_jsonf_nofail("{ 'error': { 'class': %s, 'desc': %s } }",
+                                  QapiErrorClass_str(error_get_class(err)),
+                                  error_get_pretty(err));
+    error_free(err);
+    return rsp;
+}
+
+/*
+ * Does @qdict look like a command to be run out-of-band?
+ */
+bool qmp_is_oob(const QDict *dict)
+{
+    return qdict_haskey(dict, "exec-oob")
+        && !qdict_haskey(dict, "execute");
+}
+
+QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
+                    bool allow_oob)
+{
+    Error *err = NULL;
     bool oob;
     const char *command;
-    QDict *args, *dict;
+    QDict *args;
     QmpCommand *cmd;
+    QDict *dict = qobject_to(QDict, request);
+    QObject *id = dict ? qdict_get(dict, "id") : NULL;
     QObject *ret = NULL;
+    QDict *rsp;
 
-    dict = qmp_dispatch_check_obj(request, allow_oob, errp);
+    dict = qmp_dispatch_check_obj(request, allow_oob, &err);
     if (!dict) {
-        return NULL;
+        goto out;
     }
 
     command = qdict_get_try_str(dict, "execute");
@@ -99,27 +122,27 @@ static QObject *do_qmp_dispatch(QmpCommandList *cmds, 
QObject *request,
     }
     cmd = qmp_find_command(cmds, command);
     if (cmd == NULL) {
-        error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
+        error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND,
                   "The command %s has not been found", command);
-        return NULL;
+        goto out;
     }
     if (!cmd->enabled) {
-        error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
+        error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND,
                   "The command %s has been disabled for this instance",
                   command);
-        return NULL;
+        goto out;
     }
     if (oob && !(cmd->options & QCO_ALLOW_OOB)) {
-        error_setg(errp, "The command %s does not support OOB",
+        error_setg(&err, "The command %s does not support OOB",
                    command);
-        return NULL;
+        goto out;
     }
 
     if (runstate_check(RUN_STATE_PRECONFIG) &&
         !(cmd->options & QCO_ALLOW_PRECONFIG)) {
-        error_setg(errp, "The command '%s' isn't permitted in '%s' state",
+        error_setg(&err, "The command '%s' isn't permitted in '%s' state",
                    cmd->name, RunState_str(RUN_STATE_PRECONFIG));
-        return NULL;
+        goto out;
     }
 
     if (!qdict_haskey(dict, "arguments")) {
@@ -129,9 +152,9 @@ static QObject *do_qmp_dispatch(QmpCommandList *cmds, 
QObject *request,
         qobject_ref(args);
     }
 
-    cmd->fn(args, &ret, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
+    cmd->fn(args, &ret, &err);
+    if (err) {
+        ;
     } else if (cmd->options & QCO_NO_SUCCESS_RESP) {
         g_assert(!ret);
     } else if (!ret) {
@@ -141,38 +164,7 @@ static QObject *do_qmp_dispatch(QmpCommandList *cmds, 
QObject *request,
 
     qobject_unref(args);
 
-    return ret;
-}
-
-QDict *qmp_error_response(Error *err)
-{
-    QDict *rsp;
-
-    rsp = qdict_from_jsonf_nofail("{ 'error': { 'class': %s, 'desc': %s } }",
-                                  QapiErrorClass_str(error_get_class(err)),
-                                  error_get_pretty(err));
-    error_free(err);
-    return rsp;
-}
-
-/*
- * Does @qdict look like a command to be run out-of-band?
- */
-bool qmp_is_oob(const QDict *dict)
-{
-    return qdict_haskey(dict, "exec-oob")
-        && !qdict_haskey(dict, "execute");
-}
-
-QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
-                    bool allow_oob)
-{
-    Error *err = NULL;
-    QDict *dict = qobject_to(QDict, request);
-    QObject *ret, *id = dict ? qdict_get(dict, "id") : NULL;
-    QDict *rsp;
-
-    ret = do_qmp_dispatch(cmds, request, allow_oob, &err);
+out:
     if (err) {
         rsp = qmp_error_response(err);
     } else if (ret) {
-- 
2.21.1




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