From: Marc-André Lureau <marcandre.lur...@redhat.com>
In the coming patches, a test will use several servers
simultaneously. Wrap the server in a struct, out of the global scope.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
tests/vhost-user-test.c | 146 ++++++++++++++++++++++++++++++------------------
1 file changed, 92 insertions(+), 54 deletions(-)
diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
index 68badf9..6605fba 100644
--- a/tests/vhost-user-test.c
+++ b/tests/vhost-user-test.c
@@ -115,10 +115,18 @@ static VhostUserMsg m __attribute__ ((unused));
#define VHOST_USER_VERSION (0x1)
/*****************************************************************************/
-int fds_num = 0, fds[VHOST_MEMORY_MAX_NREGIONS];
-static VhostUserMemory memory;
-static GMutex *data_mutex;
-static GCond *data_cond;
+typedef struct TestServer {
+ gchar *socket_path;
+ gchar *chr_name;
+ CharDriverState *chr;
+ int fds_num;
+ int fds[VHOST_MEMORY_MAX_NREGIONS];
+ VhostUserMemory memory;
+ GMutex *data_mutex;
+ GCond *data_cond;
+} TestServer;
+
+static const char *hugefs;
static gint64 _get_time(void)
{
@@ -205,64 +213,63 @@ static GThread *_thread_new(const gchar *name,
GThreadFunc func, gpointer data)
return thread;
}
-static void wait_for_fds(void)
+static void wait_for_fds(TestServer *s)
{
gint64 end_time;
- g_mutex_lock(data_mutex);
+ g_mutex_lock(s->data_mutex);
end_time = _get_time() + 5 * G_TIME_SPAN_SECOND;
- while (!fds_num) {
- if (!_cond_wait_until(data_cond, data_mutex, end_time)) {
+ while (!s->fds_num) {
+ if (!_cond_wait_until(s->data_cond, s->data_mutex, end_time)) {
/* timeout has passed */
- g_assert(fds_num);
+ g_assert(s->fds_num);
break;
}
}
/* check for sanity */
- g_assert_cmpint(fds_num, >, 0);
- g_assert_cmpint(fds_num, ==, memory.nregions);
+ g_assert_cmpint(s->fds_num, >, 0);
+ g_assert_cmpint(s->fds_num, ==, s->memory.nregions);
- g_mutex_unlock(data_mutex);
+ g_mutex_unlock(s->data_mutex);
}
-static void read_guest_mem(void)
+static void read_guest_mem(TestServer *s)
{
uint32_t *guest_mem;
int i, j;
size_t size;
- wait_for_fds();
+ wait_for_fds(s);
/* iterate all regions */
- for (i = 0; i < fds_num; i++) {
+ for (i = 0; i < s->fds_num; i++) {
/* We'll check only the region statring at 0x0*/
- if (memory.regions[i].guest_phys_addr != 0x0) {
+ if (s->memory.regions[i].guest_phys_addr != 0x0) {
continue;
}
- g_assert_cmpint(memory.regions[i].memory_size, >, 1024);
+ g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
- size = memory.regions[i].memory_size + memory.regions[i].mmap_offset;
+ size = s->memory.regions[i].memory_size +
+ s->memory.regions[i].mmap_offset;
guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
- MAP_SHARED, fds[i], 0);
+ MAP_SHARED, s->fds[i], 0);
g_assert(guest_mem != MAP_FAILED);
- guest_mem += (memory.regions[i].mmap_offset / sizeof(*guest_mem));
+ guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
for (j = 0; j < 256; j++) {
- uint32_t a = readl(memory.regions[i].guest_phys_addr + j*4);
+ uint32_t a = readl(s->memory.regions[i].guest_phys_addr + j*4);
uint32_t b = guest_mem[j];
g_assert_cmpint(a, ==, b);
}
- munmap(guest_mem, memory.regions[i].memory_size);
+ munmap(guest_mem, s->memory.regions[i].memory_size);
}
-
- g_mutex_unlock(data_mutex);
}
static void *thread_function(void *data)
@@ -280,7 +287,8 @@ static int chr_can_read(void *opaque)
static void chr_read(void *opaque, const uint8_t *buf, int size)
{
- CharDriverState *chr = opaque;
+ TestServer *s = opaque;
+ CharDriverState *chr = s->chr;
VhostUserMsg msg;
uint8_t *p = (uint8_t *) &msg;
int fd;
@@ -290,12 +298,12 @@ static void chr_read(void *opaque, const uint8_t *buf,
int size)
return;
}
- g_mutex_lock(data_mutex);
+ g_mutex_lock(s->data_mutex);
memcpy(p, buf, VHOST_USER_HDR_SIZE);
if (msg.size) {
p += VHOST_USER_HDR_SIZE;
- qemu_chr_fe_read_all(chr, p, msg.size);
+ g_assert_cmpint(qemu_chr_fe_read_all(chr, p, msg.size), ==, msg.size);
}
switch (msg.request) {
@@ -334,11 +342,11 @@ static void chr_read(void *opaque, const uint8_t *buf,
int size)
case VHOST_USER_SET_MEM_TABLE:
/* received the mem table */
- memcpy(&memory, &msg.memory, sizeof(msg.memory));
- fds_num = qemu_chr_fe_get_msgfds(chr, fds, sizeof(fds) / sizeof(int));
+ memcpy(&s->memory, &msg.memory, sizeof(msg.memory));
+ s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds, G_N_ELEMENTS(s->fds));
/* signal the test that it can continue */
- g_cond_signal(data_cond);
+ g_cond_signal(s->data_cond);
break;
case VHOST_USER_SET_VRING_KICK:
@@ -355,7 +363,53 @@ static void chr_read(void *opaque, const uint8_t *buf, int
size)
default:
break;
}
- g_mutex_unlock(data_mutex);
+
+ g_mutex_unlock(s->data_mutex);
+}
+
+static TestServer *test_server_new(const gchar *name)
+{
+ TestServer *server = g_new0(TestServer, 1);
+ gchar *chr_path;
+
+ server->socket_path = g_strdup_printf("/tmp/vhost-%s-%d.sock",
+ name, getpid());
+
+ 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);
+
+ /* run the main loop thread so the chardev may operate */
+ server->data_mutex = _mutex_new();
+ server->data_cond = _cond_new();
+
+ return server;
+}
+
+#define GET_QEMU_CMD(s) \
+ g_strdup_printf(QEMU_CMD, (hugefs), (s)->socket_path)
+
+
+static void test_server_free(TestServer *server)
+{
+ int i;
+
+ qemu_chr_delete(server->chr);
+
+ for (i = 0; i < server->fds_num; i++) {
+ close(server->fds[i]);
+ }
+
+ unlink(server->socket_path);
+ g_free(server->socket_path);
+
+ _cond_free(server->data_cond);
+ _mutex_free(server->data_mutex);
+
+ g_free(server);
}
static const char *init_hugepagefs(void)
@@ -394,41 +448,28 @@ static const char *init_hugepagefs(void)
int main(int argc, char **argv)
{
QTestState *s = NULL;
- CharDriverState *chr = NULL;
- const char *hugefs = 0;
- char *socket_path = 0;
- char *qemu_cmd = 0;
- char *chr_path = 0;
+ TestServer *server = NULL;
+ char *qemu_cmd;
int ret;
g_test_init(&argc, &argv, NULL);
module_call_init(MODULE_INIT_QOM);
+ qemu_add_opts(&qemu_chardev_opts);
hugefs = init_hugepagefs();
if (!hugefs) {
return 0;
}
- socket_path = g_strdup_printf("/tmp/vhost-%d.sock", getpid());
-
- /* create char dev and add read handlers */
- qemu_add_opts(&qemu_chardev_opts);
- chr_path = g_strdup_printf("unix:%s,server,nowait", socket_path);
- chr = qemu_chr_new("chr0", chr_path, NULL);
- g_free(chr_path);
- qemu_chr_add_handlers(chr, chr_can_read, chr_read, NULL, chr);
-
- /* run the main loop thread so the chardev may operate */
- data_mutex = _mutex_new();
- data_cond = _cond_new();
_thread_new(NULL, thread_function, NULL);
- qemu_cmd = g_strdup_printf(QEMU_CMD, hugefs, socket_path);
+ server = test_server_new("test");
+ qemu_cmd = GET_QEMU_CMD(server);
s = qtest_start(qemu_cmd);
g_free(qemu_cmd);
- qtest_add_func("/vhost-user/read-guest-mem", read_guest_mem);
+ qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
ret = g_test_run();
@@ -437,10 +478,7 @@ int main(int argc, char **argv)
}
/* cleanup */
- unlink(socket_path);
- g_free(socket_path);
- _cond_free(data_cond);
- _mutex_free(data_mutex);
+ test_server_free(server);
return ret;
}
--
2.4.3
