#include "qemu/sockets.h"
#include "chardev/char.h"
#include "sysemu/sysemu.h"
+#include "qapi/qapi-visit-sockets.h"
+#include "qapi/qobject-input-visitor.h"
+#include "qapi/qobject-output-visitor.h"
#include "migration/migration-test.h"
}
}
+/*
+ * Events can get in the way of responses we are actually waiting for.
+ */
+GCC_FMT_ATTR(3, 4)
+static QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...)
+{
+ va_list ap;
+
+ va_start(ap, command);
+ qtest_qmp_vsend_fds(who, &fd, 1, command, ap);
+ va_end(ap);
+
+ return qtest_qmp_receive_success(who, stop_cb, NULL);
+}
+
/*
* Events can get in the way of responses we are actually waiting for.
*/
mem_size, shmem_path);
}
+static char *SocketAddress_to_str(SocketAddress *addr)
+{
+ switch (addr->type) {
+ case SOCKET_ADDRESS_TYPE_INET:
+ return g_strdup_printf("tcp:%s:%s",
+ addr->u.inet.host,
+ addr->u.inet.port);
+ case SOCKET_ADDRESS_TYPE_UNIX:
+ return g_strdup_printf("unix:%s",
+ addr->u.q_unix.path);
+ case SOCKET_ADDRESS_TYPE_FD:
+ return g_strdup_printf("fd:%s", addr->u.fd.str);
+ case SOCKET_ADDRESS_TYPE_VSOCK:
+ return g_strdup_printf("tcp:%s:%s",
+ addr->u.vsock.cid,
+ addr->u.vsock.port);
+ default:
+ return g_strdup("unknown address type");
+ }
+}
+
+static char *migrate_get_socket_address(QTestState *who, const char *parameter)
+{
+ QDict *rsp;
+ char *result;
+ Error *local_err = NULL;
+ SocketAddressList *addrs;
+ Visitor *iv = NULL;
+ QObject *object;
+
+ rsp = migrate_query(who);
+ object = qdict_get(rsp, parameter);
+
+ iv = qobject_input_visitor_new(object);
+ visit_type_SocketAddressList(iv, NULL, &addrs, &local_err);
+ visit_free(iv);
+
+ /* we are only using a single address */
+ result = SocketAddress_to_str(addrs->value);
+
+ qapi_free_SocketAddressList(addrs);
+ qobject_unref(rsp);
+ return result;
+}
+
+static long long migrate_get_parameter(QTestState *who, const char *parameter)
+{
+ QDict *rsp;
+ long long result;
+
+ rsp = wait_command(who, "{ 'execute': 'query-migrate-parameters' }");
+ result = qdict_get_int(rsp, parameter);
+ qobject_unref(rsp);
+ return result;
+}
+
static void migrate_check_parameter(QTestState *who, const char *parameter,
long long value)
{
- QDict *rsp_return;
+ long long result;
- rsp_return = wait_command(who,
- "{ 'execute': 'query-migrate-parameters' }");
- g_assert_cmpint(qdict_get_int(rsp_return, parameter), ==, value);
- qobject_unref(rsp_return);
+ result = migrate_get_parameter(who, parameter);
+ g_assert_cmpint(result, ==, value);
}
static void migrate_set_parameter(QTestState *who, const char *parameter,
qdict_put_str(args, "uri", uri);
rsp = qmp("{ 'execute': 'migrate', 'arguments': %p}", args);
+
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
g_free(uri);
}
+static void test_precopy_tcp(void)
+{
+ char *uri;
+ QTestState *from, *to;
+
+ if (test_migrate_start(&from, &to, "tcp:127.0.0.1:0", false, false)) {
+ return;
+ }
+
+ /*
+ * We want to pick a speed slow enough that the test completes
+ * quickly, but that it doesn't complete precopy even on a slow
+ * machine, so also set the downtime.
+ */
+ /* 1 ms should make it not converge*/
+ migrate_set_parameter(from, "downtime-limit", 1);
+ /* 1GB/s */
+ migrate_set_parameter(from, "max-bandwidth", 1000000000);
+
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ uri = migrate_get_socket_address(to, "socket-address");
+
+ migrate(from, uri, "{}");
+
+ wait_for_migration_pass(from);
+
+ /* 300ms should converge */
+ migrate_set_parameter(from, "downtime-limit", 300);
+
+ if (!got_stop) {
+ qtest_qmp_eventwait(from, "STOP");
+ }
+ qtest_qmp_eventwait(to, "RESUME");
+
+ wait_for_serial("dest_serial");
+ wait_for_migration_complete(from);
+
+ test_migrate_end(from, to, true);
+ g_free(uri);
+}
+
+static void test_migrate_fd_proto(void)
+{
+ QTestState *from, *to;
+ int ret;
+ int pair[2];
+ QDict *rsp;
+ const char *error_desc;
+
+ if (test_migrate_start(&from, &to, "defer", false, false)) {
+ return;
+ }
+
+ /*
+ * We want to pick a speed slow enough that the test completes
+ * quickly, but that it doesn't complete precopy even on a slow
+ * machine, so also set the downtime.
+ */
+ /* 1 ms should make it not converge */
+ migrate_set_parameter(from, "downtime-limit", 1);
+ /* 1GB/s */
+ migrate_set_parameter(from, "max-bandwidth", 1000000000);
+
+ /* Wait for the first serial output from the source */
+ wait_for_serial("src_serial");
+
+ /* Create two connected sockets for migration */
+ ret = socketpair(PF_LOCAL, SOCK_STREAM, 0, pair);
+ g_assert_cmpint(ret, ==, 0);
+
+ /* Send the 1st socket to the target */
+ rsp = wait_command_fd(to, pair[0],
+ "{ 'execute': 'getfd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ qobject_unref(rsp);
+ close(pair[0]);
+
+ /* Start incoming migration from the 1st socket */
+ rsp = wait_command(to, "{ 'execute': 'migrate-incoming',"
+ " 'arguments': { 'uri': 'fd:fd-mig' }}");
+ qobject_unref(rsp);
+
+ /* Send the 2nd socket to the target */
+ rsp = wait_command_fd(from, pair[1],
+ "{ 'execute': 'getfd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ qobject_unref(rsp);
+ close(pair[1]);
+
+ /* Start migration to the 2nd socket*/
+ migrate(from, "fd:fd-mig", "{}");
+
+ wait_for_migration_pass(from);
+
+ /* 300ms should converge */
+ migrate_set_parameter(from, "downtime-limit", 300);
+
+ if (!got_stop) {
+ qtest_qmp_eventwait(from, "STOP");
+ }
+ qtest_qmp_eventwait(to, "RESUME");
+
+ /* Test closing fds */
+ /* We assume, that QEMU removes named fd from its list,
+ * so this should fail */
+ rsp = qtest_qmp(from, "{ 'execute': 'closefd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ g_assert_true(qdict_haskey(rsp, "error"));
+ error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc");
+ g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found");
+ qobject_unref(rsp);
+
+ rsp = qtest_qmp(to, "{ 'execute': 'closefd',"
+ " 'arguments': { 'fdname': 'fd-mig' }}");
+ g_assert_true(qdict_haskey(rsp, "error"));
+ error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc");
+ g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found");
+ qobject_unref(rsp);
+
+ /* Complete migration */
+ wait_for_serial("dest_serial");
+ wait_for_migration_complete(from);
+ test_migrate_end(from, to, true);
+}
+
int main(int argc, char **argv)
{
char template[] = "/tmp/migration-test-XXXXXX";
tmpfs = mkdtemp(template);
if (!tmpfs) {
- g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
+ g_test_message("mkdtemp on path (%s): %s", template, strerror(errno));
}
g_assert(tmpfs);
qtest_add_func("/migration/deprecated", test_deprecated);
qtest_add_func("/migration/bad_dest", test_baddest);
qtest_add_func("/migration/precopy/unix", test_precopy_unix);
+ qtest_add_func("/migration/precopy/tcp", test_precopy_tcp);
/* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */
qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
+ qtest_add_func("/migration/fd_proto", test_migrate_fd_proto);
ret = g_test_run();
ret = rmdir(tmpfs);
if (ret != 0) {
- g_test_message("unable to rmdir: path (%s): %s\n",
+ g_test_message("unable to rmdir: path (%s): %s",
tmpfs, strerror(errno));
}
projects / mirror_qemu.git / blobdiff