]> Git Repo - qemu.git/blobdiff - tests/test-vmstate.c
Merge remote-tracking branch 'mst/tags/for_upstream' into staging
[qemu.git] / tests / test-vmstate.c
index a462335c4b905e8a5ddf49165d62951c2cf9f8f1..d2f529b831bc2a747573f307128af838af0e807a 100644 (file)
  * THE SOFTWARE.
  */
 
-#include <glib.h>
+#include "qemu/osdep.h"
 
 #include "qemu-common.h"
 #include "migration/migration.h"
 #include "migration/vmstate.h"
-#include "block/coroutine.h"
+#include "qemu/coroutine.h"
+#include "io/channel-file.h"
 
-char temp_file[] = "/tmp/vmst.test.XXXXXX";
-int temp_fd;
+static char temp_file[] = "/tmp/vmst.test.XXXXXX";
+static int temp_fd;
 
 /* Fake yield_until_fd_readable() implementation so we don't have to pull the
  * coroutine code as dependency.
@@ -43,15 +44,26 @@ void yield_until_fd_readable(int fd)
     select(fd + 1, &fds, NULL, NULL, NULL);
 }
 
+
 /* Duplicate temp_fd and seek to the beginning of the file */
 static QEMUFile *open_test_file(bool write)
 {
     int fd = dup(temp_fd);
+    QIOChannel *ioc;
+    QEMUFile *f;
+
     lseek(fd, 0, SEEK_SET);
     if (write) {
         g_assert_cmpint(ftruncate(fd, 0), ==, 0);
     }
-    return qemu_fdopen(fd, write ? "wb" : "rb");
+    ioc = QIO_CHANNEL(qio_channel_file_new_fd(fd));
+    if (write) {
+        f = qemu_fopen_channel_output(ioc);
+    } else {
+        f = qemu_fopen_channel_input(ioc);
+    }
+    object_unref(OBJECT(ioc));
+    return f;
 }
 
 #define SUCCESS(val) \
@@ -65,12 +77,19 @@ static void save_vmstate(const VMStateDescription *desc, void *obj)
     QEMUFile *f = open_test_file(true);
 
     /* Save file with vmstate */
-    vmstate_save_state(f, desc, obj);
+    vmstate_save_state(f, desc, obj, NULL);
     qemu_put_byte(f, QEMU_VM_EOF);
     g_assert(!qemu_file_get_error(f));
     qemu_fclose(f);
 }
 
+static void save_buffer(const uint8_t *buf, size_t buf_size)
+{
+    QEMUFile *fsave = open_test_file(true);
+    qemu_put_buffer(fsave, buf, buf_size);
+    qemu_fclose(fsave);
+}
+
 static void compare_vmstate(uint8_t *wire, size_t size)
 {
     QEMUFile *f = open_test_file(false);
@@ -297,15 +316,13 @@ static const VMStateDescription vmstate_versioned = {
 
 static void test_load_v1(void)
 {
-    QEMUFile *fsave = open_test_file(true);
     uint8_t buf[] = {
         0, 0, 0, 10,             /* a */
         0, 0, 0, 30,             /* c */
         0, 0, 0, 0, 0, 0, 0, 40, /* d */
         QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
     };
-    qemu_put_buffer(fsave, buf, sizeof(buf));
-    qemu_fclose(fsave);
+    save_buffer(buf, sizeof(buf));
 
     QEMUFile *loading = open_test_file(false);
     TestStruct obj = { .b = 200, .e = 500, .f = 600 };
@@ -322,7 +339,6 @@ static void test_load_v1(void)
 
 static void test_load_v2(void)
 {
-    QEMUFile *fsave = open_test_file(true);
     uint8_t buf[] = {
         0, 0, 0, 10,             /* a */
         0, 0, 0, 20,             /* b */
@@ -332,8 +348,7 @@ static void test_load_v2(void)
         0, 0, 0, 0, 0, 0, 0, 60, /* f */
         QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
     };
-    qemu_put_buffer(fsave, buf, sizeof(buf));
-    qemu_fclose(fsave);
+    save_buffer(buf, sizeof(buf));
 
     QEMUFile *loading = open_test_file(false);
     TestStruct obj;
@@ -374,11 +389,9 @@ static void test_save_noskip(void)
     QEMUFile *fsave = open_test_file(true);
     TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
                        .skip_c_e = false };
-    vmstate_save_state(fsave, &vmstate_skipping, &obj);
+    vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
     g_assert(!qemu_file_get_error(fsave));
-    qemu_fclose(fsave);
 
-    QEMUFile *loading = open_test_file(false);
     uint8_t expected[] = {
         0, 0, 0, 1,             /* a */
         0, 0, 0, 2,             /* b */
@@ -387,17 +400,9 @@ static void test_save_noskip(void)
         0, 0, 0, 5,             /* e */
         0, 0, 0, 0, 0, 0, 0, 6, /* f */
     };
-    uint8_t result[sizeof(expected)];
-    g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
-                    sizeof(result));
-    g_assert(!qemu_file_get_error(loading));
-    g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
-
-    /* Must reach EOF */
-    qemu_get_byte(loading);
-    g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
 
-    qemu_fclose(loading);
+    qemu_fclose(fsave);
+    compare_vmstate(expected, sizeof(expected));
 }
 
 static void test_save_skip(void)
@@ -405,34 +410,22 @@ static void test_save_skip(void)
     QEMUFile *fsave = open_test_file(true);
     TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
                        .skip_c_e = true };
-    vmstate_save_state(fsave, &vmstate_skipping, &obj);
+    vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
     g_assert(!qemu_file_get_error(fsave));
-    qemu_fclose(fsave);
 
-    QEMUFile *loading = open_test_file(false);
     uint8_t expected[] = {
         0, 0, 0, 1,             /* a */
         0, 0, 0, 2,             /* b */
         0, 0, 0, 0, 0, 0, 0, 4, /* d */
         0, 0, 0, 0, 0, 0, 0, 6, /* f */
     };
-    uint8_t result[sizeof(expected)];
-    g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
-                    sizeof(result));
-    g_assert(!qemu_file_get_error(loading));
-    g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
-
-
-    /* Must reach EOF */
-    qemu_get_byte(loading);
-    g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
 
-    qemu_fclose(loading);
+    qemu_fclose(fsave);
+    compare_vmstate(expected, sizeof(expected));
 }
 
 static void test_load_noskip(void)
 {
-    QEMUFile *fsave = open_test_file(true);
     uint8_t buf[] = {
         0, 0, 0, 10,             /* a */
         0, 0, 0, 20,             /* b */
@@ -442,8 +435,7 @@ static void test_load_noskip(void)
         0, 0, 0, 0, 0, 0, 0, 60, /* f */
         QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
     };
-    qemu_put_buffer(fsave, buf, sizeof(buf));
-    qemu_fclose(fsave);
+    save_buffer(buf, sizeof(buf));
 
     QEMUFile *loading = open_test_file(false);
     TestStruct obj = { .skip_c_e = false };
@@ -460,7 +452,6 @@ static void test_load_noskip(void)
 
 static void test_load_skip(void)
 {
-    QEMUFile *fsave = open_test_file(true);
     uint8_t buf[] = {
         0, 0, 0, 10,             /* a */
         0, 0, 0, 20,             /* b */
@@ -468,8 +459,7 @@ static void test_load_skip(void)
         0, 0, 0, 0, 0, 0, 0, 60, /* f */
         QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
     };
-    qemu_put_buffer(fsave, buf, sizeof(buf));
-    qemu_fclose(fsave);
+    save_buffer(buf, sizeof(buf));
 
     QEMUFile *loading = open_test_file(false);
     TestStruct obj = { .skip_c_e = true, .c = 300, .e = 500 };
@@ -484,10 +474,82 @@ static void test_load_skip(void)
     qemu_fclose(loading);
 }
 
+
+typedef struct {
+    int32_t i;
+} TestStructTriv;
+
+const VMStateDescription vmsd_tst = {
+    .name = "test/tst",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_INT32(i, TestStructTriv),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+#define AR_SIZE 4
+
+typedef struct {
+    TestStructTriv *ar[AR_SIZE];
+} TestArrayOfPtrToStuct;
+
+const VMStateDescription vmsd_arps = {
+    .name = "test/arps",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(ar, TestArrayOfPtrToStuct,
+                AR_SIZE, 0, vmsd_tst, TestStructTriv),
+        VMSTATE_END_OF_LIST()
+    }
+};
+static void test_arr_ptr_str_no0_save(void)
+{
+    TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
+    TestArrayOfPtrToStuct sample = {.ar = {&ar[0], &ar[1], &ar[2], &ar[3]} };
+    uint8_t wire_sample[] = {
+        0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x03,
+        QEMU_VM_EOF
+    };
+
+    save_vmstate(&vmsd_arps, &sample);
+    compare_vmstate(wire_sample, sizeof(wire_sample));
+}
+
+static void test_arr_ptr_str_no0_load(void)
+{
+    TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
+    TestStructTriv ar[AR_SIZE] = {};
+    TestArrayOfPtrToStuct obj = {.ar = {&ar[0], &ar[1], &ar[2], &ar[3]} };
+    int idx;
+    uint8_t wire_sample[] = {
+        0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x03,
+        QEMU_VM_EOF
+    };
+
+    save_buffer(wire_sample, sizeof(wire_sample));
+    SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1,
+                          wire_sample, sizeof(wire_sample)));
+    for (idx = 0; idx < AR_SIZE; ++idx) {
+        /* compare the target array ar with the ground truth array ar_gt */
+        g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i);
+    }
+}
+
 int main(int argc, char **argv)
 {
     temp_fd = mkstemp(temp_file);
 
+    module_call_init(MODULE_INIT_QOM);
+
     g_test_init(&argc, &argv, NULL);
     g_test_add_func("/vmstate/simple/primitive", test_simple_primitive);
     g_test_add_func("/vmstate/versioned/load/v1", test_load_v1);
@@ -496,6 +558,10 @@ int main(int argc, char **argv)
     g_test_add_func("/vmstate/field_exists/load/skip", test_load_skip);
     g_test_add_func("/vmstate/field_exists/save/noskip", test_save_noskip);
     g_test_add_func("/vmstate/field_exists/save/skip", test_save_skip);
+    g_test_add_func("/vmstate/array/ptr/str/no0/save",
+                    test_arr_ptr_str_no0_save);
+    g_test_add_func("/vmstate/array/ptr/str/no0/load",
+                    test_arr_ptr_str_no0_load);
     g_test_run();
 
     close(temp_fd);
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