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-rw-r--r--tests/vhost-user-test.c136
1 files changed, 119 insertions, 17 deletions
diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
index 2724fe9755..6e3a4c0d57 100644
--- a/tests/vhost-user-test.c
+++ b/tests/vhost-user-test.c
@@ -33,7 +33,7 @@
#define QEMU_CMD_ACCEL " -machine accel=tcg"
#define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM,"\
"mem-path=%s,share=on -numa node,memdev=mem"
-#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s"
+#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s%s"
#define QEMU_CMD_NETDEV " -netdev vhost-user,id=net0,chardev=%s,vhostforce"
#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0,romfile=./pc-bios/pxe-virtio.rom"
@@ -245,7 +245,12 @@ static void chr_read(void *opaque, const uint8_t *buf, int size)
if (msg.size) {
p += VHOST_USER_HDR_SIZE;
- g_assert_cmpint(qemu_chr_fe_read_all(chr, p, msg.size), ==, msg.size);
+ size = qemu_chr_fe_read_all(chr, p, msg.size);
+ if (size != msg.size) {
+ g_test_message("Wrong message size received %d != %d\n",
+ size, msg.size);
+ return;
+ }
}
switch (msg.request) {
@@ -362,17 +367,10 @@ static const char *init_hugepagefs(const char *path)
static TestServer *test_server_new(const gchar *name)
{
TestServer *server = g_new0(TestServer, 1);
- gchar *chr_path;
server->socket_path = g_strdup_printf("%s/%s.sock", tmpfs, name);
server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name);
-
- chr_path = g_strdup_printf("unix:%s,server,nowait", server->socket_path);
server->chr_name = g_strdup_printf("chr-%s", name);
- server->chr = qemu_chr_new(server->chr_name, chr_path, NULL);
- g_free(chr_path);
-
- qemu_chr_add_handlers(server->chr, chr_can_read, chr_read, NULL, server);
g_mutex_init(&server->data_mutex);
g_cond_init(&server->data_cond);
@@ -382,13 +380,34 @@ static TestServer *test_server_new(const gchar *name)
return server;
}
-#define GET_QEMU_CMD(s) \
- g_strdup_printf(QEMU_CMD, 512, 512, (root), (s)->chr_name, \
- (s)->socket_path, (s)->chr_name)
+static void test_server_create_chr(TestServer *server, const gchar *opt)
+{
+ gchar *chr_path;
-#define GET_QEMU_CMDE(s, mem, extra, ...) \
- g_strdup_printf(QEMU_CMD extra, (mem), (mem), (root), (s)->chr_name, \
- (s)->socket_path, (s)->chr_name, ##__VA_ARGS__)
+ chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
+ server->chr = qemu_chr_new(server->chr_name, chr_path, NULL);
+ g_free(chr_path);
+
+ qemu_chr_add_handlers(server->chr, chr_can_read, chr_read, NULL, server);
+}
+
+static void test_server_listen(TestServer *server)
+{
+ test_server_create_chr(server, ",server,nowait");
+}
+
+static inline void test_server_connect(TestServer *server)
+{
+ test_server_create_chr(server, ",reconnect=1");
+}
+
+#define GET_QEMU_CMD(s) \
+ g_strdup_printf(QEMU_CMD, 512, 512, (root), (s)->chr_name, \
+ (s)->socket_path, "", (s)->chr_name)
+
+#define GET_QEMU_CMDE(s, mem, chr_opts, extra, ...) \
+ g_strdup_printf(QEMU_CMD extra, (mem), (mem), (root), (s)->chr_name, \
+ (s)->socket_path, (chr_opts), (s)->chr_name, ##__VA_ARGS__)
static gboolean _test_server_free(TestServer *server)
{
@@ -536,7 +555,10 @@ static void test_migrate(void)
guint8 *log;
guint64 size;
- cmd = GET_QEMU_CMDE(s, 2, "");
+ test_server_listen(s);
+ test_server_listen(dest);
+
+ cmd = GET_QEMU_CMDE(s, 2, "", "");
from = qtest_start(cmd);
g_free(cmd);
@@ -544,7 +566,7 @@ static void test_migrate(void)
size = get_log_size(s);
g_assert_cmpint(size, ==, (2 * 1024 * 1024) / (VHOST_LOG_PAGE * 8));
- cmd = GET_QEMU_CMDE(dest, 2, " -incoming %s", uri);
+ cmd = GET_QEMU_CMDE(dest, 2, "", " -incoming %s", uri);
to = qtest_init(cmd);
g_free(cmd);
@@ -604,6 +626,80 @@ static void test_migrate(void)
global_qtest = global;
}
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+static void wait_for_rings_started(TestServer *s, size_t count)
+{
+ gint64 end_time;
+
+ g_mutex_lock(&s->data_mutex);
+ end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
+ while (ctpop64(s->rings) != count) {
+ if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
+ /* timeout has passed */
+ g_assert_cmpint(ctpop64(s->rings), ==, count);
+ break;
+ }
+ }
+
+ g_mutex_unlock(&s->data_mutex);
+}
+
+static gboolean
+reconnect_cb(gpointer user_data)
+{
+ TestServer *s = user_data;
+
+ qemu_chr_disconnect(s->chr);
+
+ return FALSE;
+}
+
+static gpointer
+connect_thread(gpointer data)
+{
+ TestServer *s = data;
+
+ /* wait for qemu to start before first try, to avoid extra warnings */
+ g_usleep(G_USEC_PER_SEC);
+ test_server_connect(s);
+
+ return NULL;
+}
+
+static void test_reconnect_subprocess(void)
+{
+ TestServer *s = test_server_new("reconnect");
+ char *cmd;
+
+ g_thread_new("connect", connect_thread, s);
+ cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ qtest_start(cmd);
+ g_free(cmd);
+
+ wait_for_fds(s);
+ wait_for_rings_started(s, 2);
+
+ /* reconnect */
+ s->fds_num = 0;
+ s->rings = 0;
+ g_idle_add(reconnect_cb, s);
+ wait_for_fds(s);
+ wait_for_rings_started(s, 2);
+
+ qtest_end();
+ test_server_free(s);
+ return;
+}
+
+static void test_reconnect(void)
+{
+ gchar *path = g_strdup_printf("/%s/vhost-user/reconnect/subprocess",
+ qtest_get_arch());
+ g_test_trap_subprocess(path, 0, 0);
+ g_test_trap_assert_passed();
+}
+#endif
+
int main(int argc, char **argv)
{
QTestState *s = NULL;
@@ -635,6 +731,7 @@ int main(int argc, char **argv)
}
server = test_server_new("test");
+ test_server_listen(server);
loop = g_main_loop_new(NULL, FALSE);
/* run the main loop thread so the chardev may operate */
@@ -647,6 +744,11 @@ int main(int argc, char **argv)
qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
qtest_add_func("/vhost-user/migrate", test_migrate);
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+ qtest_add_func("/vhost-user/reconnect/subprocess",
+ test_reconnect_subprocess);
+ qtest_add_func("/vhost-user/reconnect", test_reconnect);
+#endif
ret = g_test_run();