@@ -75,6 +75,8 @@ struct QTestState
{
int fd;
int qmp_fd;
+ int sock;
+ int qmpsock;
pid_t qemu_pid; /* our child QEMU process */
int wstatus;
#ifdef _WIN32
@@ -458,18 +460,19 @@ static QTestState *G_GNUC_PRINTF(2, 3) qtest_spawn_qemu(const char *qemu_bin,
return s;
}
+static char *qtest_socket_path(const char *suffix)
+{
+ return g_strdup_printf("%s/qtest-%d.%s", g_get_tmp_dir(), getpid(), suffix);
+}
+
static QTestState *qtest_init_internal(const char *qemu_bin,
- const char *extra_args)
+ const char *extra_args,
+ bool do_connect)
{
QTestState *s;
int sock, qmpsock, i;
- gchar *socket_path;
- gchar *qmp_socket_path;
-
- socket_path = g_strdup_printf("%s/qtest-%d.sock",
- g_get_tmp_dir(), getpid());
- qmp_socket_path = g_strdup_printf("%s/qtest-%d.qmp",
- g_get_tmp_dir(), getpid());
+ g_autofree gchar *socket_path = qtest_socket_path("sock");
+ g_autofree gchar *qmp_socket_path = qtest_socket_path("qmp");
/*
* It's possible that if an earlier test run crashed it might
@@ -501,22 +504,17 @@ static QTestState *qtest_init_internal(const char *qemu_bin,
qtest_client_set_rx_handler(s, qtest_client_socket_recv_line);
qtest_client_set_tx_handler(s, qtest_client_socket_send);
- s->fd = socket_accept(sock);
- if (s->fd >= 0) {
- s->qmp_fd = socket_accept(qmpsock);
- }
- unlink(socket_path);
- unlink(qmp_socket_path);
- g_free(socket_path);
- g_free(qmp_socket_path);
-
- g_assert(s->fd >= 0 && s->qmp_fd >= 0);
-
s->rx = g_string_new("");
for (i = 0; i < MAX_IRQ; i++) {
s->irq_level[i] = false;
}
+ s->sock = sock;
+ s->qmpsock = qmpsock;
+ if (do_connect) {
+ qtest_connect(s);
+ }
+
/*
* Stopping QEMU for debugging is not supported on Windows.
*
@@ -531,34 +529,54 @@ static QTestState *qtest_init_internal(const char *qemu_bin,
}
#endif
+ return s;
+}
+
+void qtest_connect(QTestState *s)
+{
+ g_autofree gchar *socket_path = qtest_socket_path("sock");
+ g_autofree gchar *qmp_socket_path = qtest_socket_path("qmp");
+
+ g_assert(s->sock >= 0 && s->qmpsock >= 0);
+ s->fd = socket_accept(s->sock);
+ if (s->fd >= 0) {
+ s->qmp_fd = socket_accept(s->qmpsock);
+ }
+ unlink(socket_path);
+ unlink(qmp_socket_path);
+ g_assert(s->fd >= 0 && s->qmp_fd >= 0);
+ s->sock = s->qmpsock = -1;
/* ask endianness of the target */
-
s->big_endian = qtest_query_target_endianness(s);
-
- return s;
}
QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
{
- return qtest_init_internal(qtest_qemu_binary(NULL), extra_args);
+ return qtest_init_internal(qtest_qemu_binary(NULL), extra_args, true);
}
-QTestState *qtest_init_with_env(const char *var, const char *extra_args)
+void qtest_qmp_handshake(QTestState *s)
{
- QTestState *s = qtest_init_internal(qtest_qemu_binary(var), extra_args);
- QDict *greeting;
-
/* Read the QMP greeting and then do the handshake */
- greeting = qtest_qmp_receive(s);
+ QDict *greeting = qtest_qmp_receive(s);
qobject_unref(greeting);
qobject_unref(qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }"));
+}
+QTestState *qtest_init_with_env(const char *var, const char *extra_args,
+ bool do_connect)
+{
+ QTestState *s = qtest_init_internal(qtest_qemu_binary(var), extra_args,
+ do_connect);
+ if (do_connect) {
+ qtest_qmp_handshake(s);
+ }
return s;
}
QTestState *qtest_init(const char *extra_args)
{
- return qtest_init_with_env(NULL, extra_args);
+ return qtest_init_with_env(NULL, extra_args, true);
}
QTestState *qtest_vinitf(const char *fmt, va_list ap)
@@ -1539,7 +1557,7 @@ static struct MachInfo *qtest_get_machines(const char *var)
silence_spawn_log = !g_test_verbose();
- qts = qtest_init_with_env(qemu_var, "-machine none");
+ qts = qtest_init_with_env(qemu_var, "-machine none", true);
response = qtest_qmp(qts, "{ 'execute': 'query-machines' }");
g_assert(response);
list = qdict_get_qlist(response, "return");
@@ -1594,7 +1612,7 @@ static struct CpuModel *qtest_get_cpu_models(void)
silence_spawn_log = !g_test_verbose();
- qts = qtest_init_with_env(NULL, "-machine none");
+ qts = qtest_init_with_env(NULL, "-machine none", true);
response = qtest_qmp(qts, "{ 'execute': 'query-cpu-definitions' }");
g_assert(response);
list = qdict_get_qlist(response, "return");
@@ -60,13 +60,15 @@ QTestState *qtest_init(const char *extra_args);
* @var: Environment variable from where to take the QEMU binary
* @extra_args: Other arguments to pass to QEMU. CAUTION: these
* arguments are subject to word splitting and shell evaluation.
+ * @do_connect: connect to qemu monitor and qtest socket.
*
* Like qtest_init(), but use a different environment variable for the
* QEMU binary.
*
* Returns: #QTestState instance.
*/
-QTestState *qtest_init_with_env(const char *var, const char *extra_args);
+QTestState *qtest_init_with_env(const char *var, const char *extra_args,
+ bool do_connect);
/**
* qtest_init_without_qmp_handshake:
@@ -78,6 +80,21 @@ QTestState *qtest_init_with_env(const char *var, const char *extra_args);
QTestState *qtest_init_without_qmp_handshake(const char *extra_args);
/**
+ * qtest_connect
+ * @s: #QTestState instance to connect
+ * Connect to qemu monitor and qtest socket, after skipping them in
+ * qtest_init_with_env. Does not handshake with the monitor.
+ */
+void qtest_connect(QTestState *s);
+
+/**
+ * qtest_qmp_handshake:
+ * @s: #QTestState instance to operate on.
+ * Perform handshake after connecting to qemu monitor.
+ */
+void qtest_qmp_handshake(QTestState *s);
+
+/**
* qtest_init_with_serial:
* @extra_args: other arguments to pass to QEMU. CAUTION: these
* arguments are subject to word splitting and shell evaluation.
@@ -324,7 +324,7 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
args->opts_source ? args->opts_source : "",
ignore_stderr);
if (!args->only_target) {
- *from = qtest_init_with_env(QEMU_ENV_SRC, cmd_source);
+ *from = qtest_init_with_env(QEMU_ENV_SRC, cmd_source, true);
qtest_qmp_set_event_callback(*from,
migrate_watch_for_events,
&src_state);
@@ -345,7 +345,7 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
shmem_opts ? shmem_opts : "",
args->opts_target ? args->opts_target : "",
ignore_stderr);
- *to = qtest_init_with_env(QEMU_ENV_DST, cmd_target);
+ *to = qtest_init_with_env(QEMU_ENV_DST, cmd_target, true);
qtest_qmp_set_event_callback(*to,
migrate_watch_for_events,
&dst_state);
Add an option to defer making the connecting to the monitor and qtest sockets when calling qtest_init_with_env. The client makes the connection later by calling qtest_connect and qtest_qmp_handshake. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> --- tests/qtest/libqtest.c | 80 ++++++++++++++++++++++++--------------- tests/qtest/libqtest.h | 19 +++++++++- tests/qtest/migration/framework.c | 4 +- 3 files changed, 69 insertions(+), 34 deletions(-)