diff options
Diffstat (limited to 'tests/vhost-user-test.c')
| -rw-r--r-- | tests/vhost-user-test.c | 136 |
1 files changed, 119 insertions, 17 deletions
diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c index b2b1665ab8..8b2164b99d 100644 --- a/tests/vhost-user-test.c +++ b/tests/vhost-user-test.c @@ -32,7 +32,7 @@ #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" @@ -244,7 +244,12 @@ 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) { @@ -361,17 +366,10 @@ 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); @@ -381,13 +379,34 @@ 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) { @@ -535,7 +554,10 @@ 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); @@ -543,7 +565,7 @@ 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); @@ -603,6 +625,80 @@ 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; @@ -634,6 +730,7 @@ 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 */ @@ -646,6 +743,11 @@ 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(); |