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Re: [Qemu-devel] [PATCH for-3.0 6/9] tests: introduce migrate_query*() h
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH for-3.0 6/9] tests: introduce migrate_query*() helpers |
Date: |
Thu, 5 Jul 2018 11:23:39 +0100 |
User-agent: |
Mutt/1.10.0 (2018-05-17) |
* Peter Xu (address@hidden) wrote:
> Introduce helpers to query migration states and use it.
>
> Signed-off-by: Peter Xu <address@hidden>
> ---
> tests/migration-test.c | 64 ++++++++++++++++++++++++++++--------------
> 1 file changed, 43 insertions(+), 21 deletions(-)
>
> diff --git a/tests/migration-test.c b/tests/migration-test.c
> index af82a04789..1d85ccbef1 100644
> --- a/tests/migration-test.c
> +++ b/tests/migration-test.c
> @@ -168,6 +168,37 @@ static QDict *wait_command(QTestState *who, const char
> *command)
> return response;
> }
>
> +/*
> + * Note: caller is responsible to free the returned object via
> + * qobject_unref() after use
> + */
> +static QDict *migrate_query(QTestState *who)
> +{
> + QDict *rsp, *rsp_return;
> +
> + rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
having a 'migrate_query' function that issues 'query-migrate' is a bit
odd; I think I'd have called it query_migrate just to match; however
that's just a nit-pick:
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
> + rsp_return = qdict_get_qdict(rsp, "return");
> + g_assert(rsp_return);
> + qobject_ref(rsp_return);
> + qobject_unref(rsp);
> +
> + return rsp_return;
> +}
> +
> +/*
> + * Note: caller is responsible to free the returned object via
> + * g_free() after use
> + */
> +static gchar *migrate_query_status(QTestState *who)
> +{
> + QDict *rsp_return = migrate_query(who);
> + gchar *status = g_strdup(qdict_get_str(rsp_return, "status"));
> +
> + g_assert(status);
> + qobject_unref(rsp_return);
> +
> + return status;
> +}
>
> /*
> * It's tricky to use qemu's migration event capability with qtest,
> @@ -176,11 +207,10 @@ static QDict *wait_command(QTestState *who, const char
> *command)
>
> static uint64_t get_migration_pass(QTestState *who)
> {
> - QDict *rsp, *rsp_return, *rsp_ram;
> + QDict *rsp_return, *rsp_ram;
> uint64_t result;
>
> - rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
> - rsp_return = qdict_get_qdict(rsp, "return");
> + rsp_return = migrate_query(who);
> if (!qdict_haskey(rsp_return, "ram")) {
> /* Still in setup */
> result = 0;
> @@ -188,33 +218,29 @@ static uint64_t get_migration_pass(QTestState *who)
> rsp_ram = qdict_get_qdict(rsp_return, "ram");
> result = qdict_get_try_int(rsp_ram, "dirty-sync-count", 0);
> }
> - qobject_unref(rsp);
> + qobject_unref(rsp_return);
> return result;
> }
>
> static void read_blocktime(QTestState *who)
> {
> - QDict *rsp, *rsp_return;
> + QDict *rsp_return;
>
> - rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
> - rsp_return = qdict_get_qdict(rsp, "return");
> + rsp_return = migrate_query(who);
> g_assert(qdict_haskey(rsp_return, "postcopy-blocktime"));
> - qobject_unref(rsp);
> + qobject_unref(rsp_return);
> }
>
> static void wait_for_migration_complete(QTestState *who)
> {
> while (true) {
> - QDict *rsp, *rsp_return;
> bool completed;
> - const char *status;
> + char *status;
>
> - rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
> - rsp_return = qdict_get_qdict(rsp, "return");
> - status = qdict_get_str(rsp_return, "status");
> + status = migrate_query_status(who);
> completed = strcmp(status, "completed") == 0;
> g_assert_cmpstr(status, !=, "failed");
> - qobject_unref(rsp);
> + g_free(status);
> if (completed) {
> return;
> }
> @@ -569,20 +595,16 @@ static void test_baddest(void)
> {
> QTestState *from, *to;
> QDict *rsp, *rsp_return;
> - const char *status;
> + char *status;
> bool failed;
>
> test_migrate_start(&from, &to, "tcp:0:0", true);
> migrate(from, "tcp:0:0", NULL);
> do {
> - rsp = wait_command(from, "{ 'execute': 'query-migrate' }");
> - rsp_return = qdict_get_qdict(rsp, "return");
> -
> - status = qdict_get_str(rsp_return, "status");
> -
> + status = migrate_query_status(from);
> g_assert(!strcmp(status, "setup") || !(strcmp(status, "failed")));
> failed = !strcmp(status, "failed");
> - qobject_unref(rsp);
> + g_free(status);
> } while (!failed);
>
> /* Is the machine currently running? */
> --
> 2.17.1
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
[Qemu-devel] [PATCH for-3.0 5/9] tests: allow migrate() to take extra flags, Peter Xu, 2018/07/04
[Qemu-devel] [PATCH for-3.0 6/9] tests: introduce migrate_query*() helpers, Peter Xu, 2018/07/04
[Qemu-devel] [PATCH for-3.0 7/9] tests: introduce wait_for_migration_status(), Peter Xu, 2018/07/04
[Qemu-devel] [PATCH for-3.0 8/9] tests: add postcopy recovery test, Peter Xu, 2018/07/04