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[Qemu-devel] [RFC v6 26/27] tests: qmp-test: verify command batching
From: |
Peter Xu |
Subject: |
[Qemu-devel] [RFC v6 26/27] tests: qmp-test: verify command batching |
Date: |
Tue, 19 Dec 2017 16:45:56 +0800 |
OOB introduced DROP event for flow control. This should not affect old
QMP clients. Add a command batching check to make sure of it.
Reviewed-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Peter Xu <address@hidden>
---
tests/qmp-test.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/tests/qmp-test.c b/tests/qmp-test.c
index 292c5f135a..6bc66b0a01 100644
--- a/tests/qmp-test.c
+++ b/tests/qmp-test.c
@@ -78,6 +78,7 @@ static void test_qmp_protocol(void)
QList *capabilities;
const QListEntry *entry;
QString *qstr;
+ int i;
global_qtest = qtest_init_without_qmp_handshake(common_args);
@@ -135,6 +136,27 @@ static void test_qmp_protocol(void)
g_assert_cmpint(qdict_get_int(resp, "id"), ==, 2);
QDECREF(resp);
+ /*
+ * Test command batching. In current test OOB is not enabled, we
+ * should be able to run as many commands in batch as we like.
+ * Using 16 (>8, which is OOB queue length) to make sure OOB won't
+ * break existing clients. Note: this test does not control the
+ * scheduling of QEMU's QMP command processing threads so it may
+ * not really trigger batching inside QEMU. This is just a
+ * best-effort test.
+ */
+ for (i = 0; i < 16; i++) {
+ qmp_async("{ 'execute': 'query-version' }");
+ }
+ /* Verify the replies to make sure no command is dropped. */
+ for (i = 0; i < 16; i++) {
+ resp = qmp_receive();
+ /* It should never be dropped. Each of them should be a reply. */
+ g_assert(qdict_haskey(resp, "return"));
+ g_assert(!qdict_haskey(resp, "event"));
+ QDECREF(resp);
+ }
+
qtest_end();
}
--
2.14.3
- [Qemu-devel] [RFC v6 16/27] monitor: separate QMP parser and dispatcher, (continued)
- [Qemu-devel] [RFC v6 16/27] monitor: separate QMP parser and dispatcher, Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 17/27] qmp: add new event "command-dropped", Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 18/27] monitor: send event when command queue full, Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 19/27] qapi: introduce new cmd option "allow-oob", Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 20/27] qmp: export qmp_dispatch_check_obj and allow "id", Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 21/27] qmp: support out-of-band (oob) execution, Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 22/27] qmp: isolate responses into io thread, Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 23/27] monitor: enable IO thread for (qmp & !mux) typed, Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 24/27] qmp: add command "x-oob-test", Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 25/27] docs: update QMP documents for OOB commands, Peter Xu, 2017/12/19
- [Qemu-devel] [RFC v6 26/27] tests: qmp-test: verify command batching,
Peter Xu <=
- [Qemu-devel] [RFC v6 27/27] tests: qmp-test: add oob test, Peter Xu, 2017/12/19