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migration-test: Clean up string interpolation into QMP, part 2
Leaving interpolation into JSON to qmp() is more robust than building QMP input manually, as explained in the recent commit "tests: Clean up string interpolation into QMP input (simple cases)". migrate() interpolates members into a JSON object. Change it to take its extra QMP arguments as arguments for qdict_from_jsonf_nofail() instead of a string containing JSON members. Bonus: gets rid of a non-literal format string. A step towards compile-time format string checking without triggering -Wformat-nonliteral. Cc: Juan Quintela <quintela@redhat.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180806065344.7103-20-armbru@redhat.com>
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@ -14,6 +14,7 @@
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#include "libqtest.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qjson.h"
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#include "qemu/option.h"
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#include "qemu/range.h"
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#include "qemu/sockets.h"
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@ -384,16 +385,25 @@ static void migrate_set_capability(QTestState *who, const char *capability,
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qobject_unref(rsp);
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}
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static void migrate(QTestState *who, const char *uri, const char *extra)
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/*
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* Send QMP command "migrate".
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* Arguments are built from @fmt... (formatted like
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* qobject_from_jsonf_nofail()) with "uri": @uri spliced in.
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*/
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GCC_FMT_ATTR(3, 4)
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static void migrate(QTestState *who, const char *uri, const char *fmt, ...)
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{
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QDict *rsp;
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gchar *cmd;
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va_list ap;
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QDict *args, *rsp;
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cmd = g_strdup_printf("{ 'execute': 'migrate',"
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" 'arguments': { 'uri': '%s' %s } }",
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uri, extra ? extra : "");
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rsp = qtest_qmp(who, cmd);
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g_free(cmd);
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va_start(ap, fmt);
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args = qdict_from_vjsonf_nofail(fmt, ap);
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va_end(ap);
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g_assert(!qdict_haskey(args, "uri"));
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qdict_put_str(args, "uri", uri);
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rsp = qmp("{ 'execute': 'migrate', 'arguments': %p}", args);
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g_assert(qdict_haskey(rsp, "return"));
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qobject_unref(rsp);
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}
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@ -585,7 +595,7 @@ static int migrate_postcopy_prepare(QTestState **from_ptr,
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/* Wait for the first serial output from the source */
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wait_for_serial("src_serial");
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migrate(from, uri, NULL);
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migrate(from, uri, "{}");
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g_free(uri);
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wait_for_migration_pass(from);
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@ -668,7 +678,7 @@ static void test_postcopy_recovery(void)
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* the newly created channel
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*/
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wait_for_migration_status(from, "postcopy-paused");
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migrate(from, uri, ", 'resume': true");
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migrate(from, uri, "{'resume': true}");
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g_free(uri);
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/* Restore the postcopy bandwidth to unlimited */
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@ -687,7 +697,7 @@ static void test_baddest(void)
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if (test_migrate_start(&from, &to, "tcp:0:0", true)) {
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return;
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}
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migrate(from, "tcp:0:0", NULL);
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migrate(from, "tcp:0:0", "{}");
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do {
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status = migrate_query_status(from);
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g_assert(!strcmp(status, "setup") || !(strcmp(status, "failed")));
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@ -725,7 +735,7 @@ static void test_precopy_unix(void)
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/* Wait for the first serial output from the source */
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wait_for_serial("src_serial");
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migrate(from, uri, NULL);
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migrate(from, uri, "{}");
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wait_for_migration_pass(from);
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