Signed-off-by: Wen Congyang <we...@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.f...@cn.fujitsu.com>
---
tests/.gitignore | 1 +
tests/Makefile | 4 +
tests/test-replication.c | 555 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 560 insertions(+)
create mode 100644 tests/test-replication.c
diff --git a/tests/.gitignore b/tests/.gitignore
index a06a8ba..d22ab06 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -58,6 +58,7 @@ test-qmp-introspect.[ch]
test-qmp-marshal.c
test-qmp-output-visitor
test-rcu-list
+test-replication
test-rfifolock
test-string-input-visitor
test-string-output-visitor
diff --git a/tests/Makefile b/tests/Makefile
index a3e20e3..901b8e4 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -103,6 +103,7 @@ check-unit-y += tests/test-crypto-xts$(EXESUF)
check-unit-y += tests/test-crypto-block$(EXESUF)
gcov-files-test-logging-y = tests/test-logging.c
check-unit-y += tests/test-logging$(EXESUF)
+check-unit-y += tests/test-replication$(EXESUF)
check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
@@ -451,6 +452,9 @@ tests/test-base64$(EXESUF): tests/test-base64.o \
tests/test-logging$(EXESUF): tests/test-logging.o $(test-util-obj-y)
+tests/test-replication$(EXESUF): tests/test-replication.o $(test-util-obj-y) \
+ $(test-block-obj-y)
+
tests/test-qapi-types.c tests/test-qapi-types.h :\
$(SRC_PATH)/tests/qapi-schema/qapi-schema-test.json
$(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \
diff --git a/tests/test-replication.c b/tests/test-replication.c
new file mode 100644
index 0000000..b5bb2eb
--- /dev/null
+++ b/tests/test-replication.c
@@ -0,0 +1,555 @@
+/*
+ * Block replication tests
+ *
+ * Copyright (c) 2016 FUJITSU LIMITED
+ * Author: Changlong Xie <xiecl.f...@cn.fujitsu.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later. See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/error.h"
+#include "replication.h"
+#include "block/block_int.h"
+#include "sysemu/block-backend.h"
+
+#define IMG_SIZE (64 * 1024 * 1024)
+
+/* primary */
+static char p_local_disk[] = "/tmp/p_local_disk.XXXXXX";
+
+/* secondary */
+#define S_ID "secondary-id"
+#define S_LOCAL_DISK_ID "secondary-local-disk-id"
+static char s_local_disk[] = "/tmp/s_local_disk.XXXXXX";
+static char s_active_disk[] = "/tmp/s_active_disk.XXXXXX";
+static char s_hidden_disk[] = "/tmp/s_hidden_disk.XXXXXX";
+
+/* FIXME: steal from blockdev.c */
+QemuOptsList qemu_drive_opts = {
+ .name = "drive",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
+ .desc = {
+ { /* end of list */ }
+ },
+};
+
+static void io_read(BlockDriverState *bs, long pattern, int64_t pattern_offset,
+ int64_t pattern_count, int64_t offset, int64_t count,
+ bool expect_failed)
+{
+ char *buf;
+ void *cmp_buf = NULL;
+ int ret;
+
+ /* alloc pattern buffer */
+ if (pattern) {
+ cmp_buf = g_malloc(pattern_count);
+ memset(cmp_buf, pattern, pattern_count);
+ }
+
+ /* alloc read buffer */
+ buf = qemu_blockalign(bs, count);
+ memset(buf, 0xab, count);
+
+ /* do read */
+ ret = bdrv_read(bs, offset >> 9, (uint8_t *)buf, count >> 9);
+
+ /* assert and compare buf */
+ if (expect_failed) {
+ g_assert(ret < 0);
+ } else {
+ g_assert(ret >= 0);
+ if (pattern) {
+ g_assert(memcmp(buf + pattern_offset, cmp_buf, pattern_count) <=
0);
+ }
+ }
+
+ g_free(cmp_buf);
+ qemu_vfree(buf);
+}
+
+static void io_write(BlockDriverState *bs, long pattern, int64_t offset,
+ int64_t count, bool expect_failed)
+{
+ void *pattern_buf = NULL;
+ int ret;
+
+ /* alloc pattern buffer */
+ if (pattern) {
+ pattern_buf = qemu_blockalign(bs, count);
+ memset(pattern_buf, pattern, count);
+ }
+
+ /* do write */
+ if (pattern) {
+ ret = bdrv_write(bs, offset >> 9, (uint8_t *)pattern_buf, count >> 9);
+ } else {
+ ret = bdrv_write_zeroes(bs, offset >> 9, count >> 9, 0);
+ }
+
+ /* assert */
+ if (expect_failed) {
+ g_assert(ret < 0);
+ } else {
+ g_assert(ret >= 0);
+ }
+
+ qemu_vfree(pattern_buf);
+}
+
+/*
+ * Create a uniquely-named empty temporary file.
+ */
+static void make_temp(char *template)
+{
+ int fd;
+
+ fd = mkstemp(template);
+ g_assert(fd >= 0);
+ close(fd);
+}
+
+
+static void prepare_imgs(void)
+{
+ Error *local_err = NULL;
+
+ make_temp(p_local_disk);
+ make_temp(s_local_disk);
+ make_temp(s_active_disk);
+ make_temp(s_hidden_disk);
+
+ /* Primary */
+ bdrv_img_create(p_local_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
+ BDRV_O_RDWR, &local_err, true);
+ g_assert(!local_err);
+
+ /* Secondary */
+ bdrv_img_create(s_local_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
+ BDRV_O_RDWR, &local_err, true);
+ g_assert(!local_err);
+ bdrv_img_create(s_active_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
+ BDRV_O_RDWR, &local_err, true);
+ g_assert(!local_err);
+ bdrv_img_create(s_hidden_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
+ BDRV_O_RDWR, &local_err, true);
+ g_assert(!local_err);
+}
+
+static void cleanup_imgs(void)
+{
+ /* Primary */
+ unlink(p_local_disk);
+
+ /* Secondary */
+ unlink(s_local_disk);
+ unlink(s_active_disk);
+ unlink(s_hidden_disk);
+}
+
+static BlockDriverState *start_primary(void)
+{
+ BlockDriverState *bs;
+ QemuOpts *opts;
+ QDict *qdict;
+ Error *local_err = NULL;
+ char *cmdline;
+
+ cmdline = g_strdup_printf("driver=replication,mode=primary,node-name=xxx,"
+ "file.driver=qcow2,file.file.filename=%s"
+ , p_local_disk);
+ opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
+ g_free(cmdline);
+
+ qdict = qemu_opts_to_qdict(opts, NULL);
+ qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
+ qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
+
+ bs = bdrv_open(NULL, NULL, qdict, BDRV_O_RDWR, &local_err);
+
+ g_assert(bs);
+ g_assert(!local_err);
+
+ qemu_opts_del(opts);
+
+ return bs;
+}
+
+static void teardown_primary(BlockDriverState *bs)
+{
+ /* only destroy BS, since we didn't initialize BB on Primary */
+ bdrv_unref(bs);
+}
+
+static void test_primary_read(void)
+{
+ BlockDriverState *bs;
+
+ bs = start_primary();
+
+ /* read from 0 to IMG_SIZE */
+ io_read(bs, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
+
+ teardown_primary(bs);
+}
+
+static void test_primary_write(void)
+{
+ BlockDriverState *bs;
+
+ bs = start_primary();
+
+ /* write from 0 to IMG_SIZE */
+ io_write(bs, 0, 0, IMG_SIZE, true);
+
+ teardown_primary(bs);
+}
+
+static void test_primary_start(void)
+{
+ BlockDriverState *bs;
+ Error *local_err = NULL;
+
+ bs = start_primary();
+
+ replication_start_all(REPLICATION_MODE_PRIMARY, &local_err);
+ g_assert(!local_err);
+
+ /* read from 0 to IMG_SIZE */
+ io_read(bs, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
+
+ /* write 0x22 from 0 to IMG_SIZE */
+ io_write(bs, 0x22, 0, IMG_SIZE, false);
+
+ teardown_primary(bs);
+}
+
+static void test_primary_stop(void)
+{
+ BlockDriverState *bs;
+ Error *local_err = NULL;
+ bool failover = true;
+
+ bs = start_primary();
+
+ replication_start_all(REPLICATION_MODE_PRIMARY, &local_err);
+ g_assert(!local_err);
+
+ replication_stop_all(failover, &local_err);
+ g_assert(!local_err);
+
+ teardown_primary(bs);
+}
+
+static void test_primary_do_checkpoint(void)
+{
+ BlockDriverState *bs;
+ Error *local_err = NULL;
+
+ bs = start_primary();
+
+ replication_start_all(REPLICATION_MODE_PRIMARY, &local_err);
+ g_assert(!local_err);
+
+ replication_do_checkpoint_all(&local_err);
+ g_assert(!local_err);
+
+ teardown_primary(bs);
+}
+
+static void test_primary_get_error(void)
+{
+ BlockDriverState *bs;
+ Error *local_err = NULL;
+
+ bs = start_primary();
+
+ replication_start_all(REPLICATION_MODE_PRIMARY, &local_err);
+ g_assert(!local_err);
+
+ replication_get_error_all(&local_err);
+ g_assert(!local_err);
+
+ teardown_primary(bs);
+}
+
+static BlockDriverState *start_secondary(void)
+{
+ QemuOpts *opts;
+ QDict *qdict;
+ BlockBackend *blk;
+ BlockDriverState *bs;
+ char *cmdline;
+ Error *local_err = NULL;
+
+ /* add s_local_disk and forge S_LOCAL_DISK_ID */
+ cmdline = g_strdup_printf("file.filename=%s,driver=qcow2" , s_local_disk);
+ opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
+ g_free(cmdline);
+
+ qdict = qemu_opts_to_qdict(opts, NULL);
+ qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
+ qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
+
+ blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &local_err);
+ assert(blk);
+ monitor_add_blk(blk, S_LOCAL_DISK_ID, &local_err);
+ g_assert(!local_err);
+
+ /* format s_local_disk with pattern "0x11" */
+ bs = blk_bs(blk);
+ io_write(bs, 0x11, 0, IMG_SIZE, false);
+
+ qemu_opts_del(opts);
+
+ /* add S_(ACTIVE/HIDDEN)_DISK and forge S_ID */
+ cmdline = g_strdup_printf("driver=replication,mode=secondary,top-id=%s,"
+ "file.driver=qcow2,file.file.filename=%s,"
+ "file.backing.driver=qcow2,"
+ "file.backing.file.filename=%s,"
+ "file.backing.backing=%s"
+ , S_ID, s_active_disk, s_hidden_disk
+ , S_LOCAL_DISK_ID);
+ opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
+ g_free(cmdline);
+
+ qdict = qemu_opts_to_qdict(opts, NULL);
+ qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
+ qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
+
+ blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &local_err);
+ assert(blk);
+ monitor_add_blk(blk, S_ID, &local_err);
+ g_assert(!local_err);
+
+ qemu_opts_del(opts);
+
+ /* return top bs */
+ return blk_bs(blk);
+}
+
+static void teardown_secondary(void)
+{
+ /* only need to destroy two BBs */
+ BlockBackend *blk;
+
+ /* remove S_LOCAL_DISK_ID */
+ blk = blk_by_name(S_LOCAL_DISK_ID);
+ assert(blk);
+
+ monitor_remove_blk(blk);
+ blk_unref(blk);
+
+ /* remove S_ID */
+ blk = blk_by_name(S_ID);
+ assert(blk);
+
+ monitor_remove_blk(blk);
+ blk_unref(blk);
+}
+
+static void test_secondary_read(void)
+{
+ BlockDriverState *top_bs;
+
+ top_bs = start_secondary();
+
+ /* read from 0 to IMG_SIZE */
+ io_read(top_bs, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
+
+ teardown_secondary();
+}
+
+static void test_secondary_write(void)
+{
+ BlockDriverState *bs;
+
+ bs = start_secondary();
+
+ /* write from 0 to IMG_SIZE */
+ io_write(bs, 0, 0, IMG_SIZE, true);
+
+ teardown_secondary();
+}
+
+static void test_secondary_start(void)
+{
+ BlockBackend *blk;
+ BlockDriverState *top_bs, *local_bs;
+ Error *local_err = NULL;
+ bool failover = true;
+
+ top_bs = start_secondary();
+ replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
+ g_assert(!local_err);
+
+ /* read from s_local_disk (0, IMG_SIZE) */
+ io_read(top_bs, 0x11, 0, IMG_SIZE, 0, IMG_SIZE, false);
+
+ /* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
+ blk = blk_by_name(S_LOCAL_DISK_ID);
+ local_bs = blk_bs(blk);
+
+ io_write(local_bs, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
+
+ /* replication will backup s_local_disk to s_hidden_disk */
+ io_read(top_bs, 0x11, IMG_SIZE / 2, IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+ /* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
+ io_write(top_bs, 0x33, 0, IMG_SIZE / 2, false);
+
+ /* read from s_active_disk (0, IMG_SIZE/2) */
+ io_read(top_bs, 0x33, 0, IMG_SIZE / 2, 0, IMG_SIZE / 2, false);
+
+ /* unblock top_bs */
+ replication_stop_all(failover, &local_err);
+ g_assert(!local_err);
+
+ teardown_secondary();
+}
+
+static void test_secondary_stop(void)
+{
+ BlockBackend *blk;
+ BlockDriverState *top_bs, *local_bs;
+ Error *local_err = NULL;
+ bool failover = true;
+
+ top_bs = start_secondary();
+ replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
+ g_assert(!local_err);
+
+ /* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
+ blk = blk_by_name(S_LOCAL_DISK_ID);
+ local_bs = blk_bs(blk);
+
+ io_write(local_bs, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
+
+ /* replication will backup s_local_disk to s_hidden_disk */
+ io_read(top_bs, 0x11, IMG_SIZE / 2, IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+ /* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
+ io_write(top_bs, 0x33, 0, IMG_SIZE / 2, false);
+
+ /* do active commit */
+ replication_stop_all(failover, &local_err);
+ g_assert(!local_err);
+
+ /* read from s_local_disk (0, IMG_SIZE / 2) */
+ io_read(top_bs, 0x33, 0, IMG_SIZE / 2, 0, IMG_SIZE / 2, false);
+
+ /* read from s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
+ io_read(top_bs, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+ teardown_secondary();
+}
+
+static void test_secondary_do_checkpoint(void)
+{
+ BlockBackend *blk;
+ BlockDriverState *top_bs, *local_bs;
+ Error *local_err = NULL;
+ bool failover = true;
+
+ top_bs = start_secondary();
+ replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
+ g_assert(!local_err);
+
+ /* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
+ blk = blk_by_name(S_LOCAL_DISK_ID);
+ local_bs = blk_bs(blk);
+
+ io_write(local_bs, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
+
+ /* replication will backup s_local_disk to s_hidden_disk */
+ io_read(top_bs, 0x11, IMG_SIZE / 2, IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+ replication_do_checkpoint_all(&local_err);
+ g_assert(!local_err);
+
+ /* after checkpoint, read pattern 0x22 from s_local_disk */
+ io_read(top_bs, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+ /* unblock top_bs */
+ replication_stop_all(failover, &local_err);
+ g_assert(!local_err);
+
+ teardown_secondary();
+}
+
+static void test_secondary_get_error(void)
+{
+ Error *local_err = NULL;
+ bool failover = true;
+
+ start_secondary();
+ replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
+ g_assert(!local_err);
+
+ replication_get_error_all(&local_err);
+ g_assert(!local_err);
+
+ /* unblock top_bs */
+ replication_stop_all(failover, &local_err);
+ g_assert(!local_err);
+
+ teardown_secondary();
+}
+
+static void sigabrt_handler(int signo)
+{
+ cleanup_imgs();
+}
+
+static void setup_sigabrt_handler(void)
+{
+ struct sigaction sigact;
+
+ sigact = (struct sigaction){
+ .sa_handler = sigabrt_handler,
+ .sa_flags = SA_RESETHAND,
+ };
+ sigemptyset(&sigact.sa_mask);
+ sigaction(SIGABRT, &sigact, NULL);
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ qemu_init_main_loop(&error_fatal);
+ bdrv_init();
+
+ g_test_init(&argc, &argv, NULL);
+ setup_sigabrt_handler();
+
+ prepare_imgs();
+
+ /* Primary */
+ g_test_add_func("/replication/primary/read", test_primary_read);
+ g_test_add_func("/replication/primary/write", test_primary_write);
+ g_test_add_func("/replication/primary/start", test_primary_start);
+ g_test_add_func("/replication/primary/stop", test_primary_stop);
+ g_test_add_func("/replication/primary/do_checkpoint",
+ test_primary_do_checkpoint);
+ g_test_add_func("/replication/primary/get_error",
+ test_primary_get_error);
+
+ /* Secondary */
+ g_test_add_func("/replication/secondary/read", test_secondary_read);
+ g_test_add_func("/replication/secondary/write", test_secondary_write);
+ g_test_add_func("/replication/secondary/start", test_secondary_start);
+ g_test_add_func("/replication/secondary/stop", test_secondary_stop);
+ g_test_add_func("/replication/secondary/do_checkpoint",
+ test_secondary_do_checkpoint);
+ g_test_add_func("/replication/secondary/get_error",
+ test_secondary_get_error);
+
+ ret = g_test_run();
+
+ cleanup_imgs();
+
+ return ret;
+}
