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[Qemu-devel] [PATCH v5 18/28] migration: convert savevm to use QIOChanne
From: |
Daniel P. Berrange |
Subject: |
[Qemu-devel] [PATCH v5 18/28] migration: convert savevm to use QIOChannel for writing to files |
Date: |
Fri, 18 Mar 2016 14:30:53 +0000 |
Convert the exec savevm code to use QIOChannel and QEMUFileChannel,
instead of the stdio APIs.
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
Signed-off-by: Daniel P. Berrange <address@hidden>
---
migration/savevm.c | 8 +++++---
tests/Makefile | 4 ++--
tests/test-vmstate.c | 11 ++++++++++-
3 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/migration/savevm.c b/migration/savevm.c
index 90a61cb..5f0309d 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -51,6 +51,7 @@
#include "block/snapshot.h"
#include "block/qapi.h"
#include "io/channel-buffer.h"
+#include "io/channel-file.h"
#ifndef ETH_P_RARP
@@ -2046,6 +2047,7 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
void qmp_xen_save_devices_state(const char *filename, Error **errp)
{
QEMUFile *f;
+ QIOChannelFile *ioc;
int saved_vm_running;
int ret;
@@ -2053,11 +2055,11 @@ void qmp_xen_save_devices_state(const char *filename,
Error **errp)
vm_stop(RUN_STATE_SAVE_VM);
global_state_store_running();
- f = qemu_fopen(filename, "wb");
- if (!f) {
- error_setg_file_open(errp, errno, filename);
+ ioc = qio_channel_file_new_path(filename, O_WRONLY | O_CREAT, 0660, errp);
+ if (!ioc) {
goto the_end;
}
+ f = qemu_fopen_channel_output(QIO_CHANNEL(ioc));
ret = qemu_save_device_state(f);
qemu_fclose(f);
if (ret < 0) {
diff --git a/tests/Makefile b/tests/Makefile
index 63b0a0a..a881324 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -429,8 +429,8 @@ tests/test-qdev-global-props$(EXESUF):
tests/test-qdev-global-props.o \
$(test-qapi-obj-y)
tests/test-vmstate$(EXESUF): tests/test-vmstate.o \
migration/vmstate.o migration/qemu-file.o \
- migration/qemu-file-unix.o qjson.o \
- $(test-qom-obj-y)
+ migration/qemu-file-channel.o qjson.o \
+ $(test-io-obj-y)
tests/test-timed-average$(EXESUF): tests/test-timed-average.o qemu-timer.o \
$(test-util-obj-y)
tests/test-base64$(EXESUF): tests/test-base64.o \
diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index f337cf6..d19b16a 100644
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -29,6 +29,7 @@
#include "migration/migration.h"
#include "migration/vmstate.h"
#include "qemu/coroutine.h"
+#include "io/channel-file.h"
static char temp_file[] = "/tmp/vmst.test.XXXXXX";
static int temp_fd;
@@ -49,11 +50,17 @@ void yield_until_fd_readable(int fd)
static QEMUFile *open_test_file(bool write)
{
int fd = dup(temp_fd);
+ QIOChannel *ioc;
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) {
+ return qemu_fopen_channel_output(ioc);
+ } else {
+ return qemu_fopen_channel_input(ioc);
+ }
}
#define SUCCESS(val) \
@@ -469,6 +476,8 @@ 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);
--
2.5.0
- [Qemu-devel] [PATCH v5 07/28] migration: force QEMUFile to blocking mode for outgoing migration, (continued)
- [Qemu-devel] [PATCH v5 07/28] migration: force QEMUFile to blocking mode for outgoing migration, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 09/28] migration: add helpers for creating QEMUFile from a QIOChannel, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 10/28] migration: add reporting of errors for outgoing migration, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 12/28] migration: convert unix socket protocol to use QIOChannel, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 11/28] migration: convert post-copy to use QIOChannelBuffer, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 13/28] migration: rename unix.c to socket.c, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 15/28] migration: convert fd socket protocol to use QIOChannel, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 16/28] migration: convert exec socket protocol to use QIOChannel, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 14/28] migration: convert tcp socket protocol to use QIOChannel, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 18/28] migration: convert savevm to use QIOChannel for writing to files,
Daniel P. Berrange <=
- [Qemu-devel] [PATCH v5 17/28] migration: convert RDMA to use QIOChannel interface, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 19/28] migration: delete QEMUFile buffer implementation, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 21/28] migration: delete QEMUFile sockets implementation, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 20/28] migration: delete QEMUSizedBuffer struct, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 23/28] migration: move definition of struct QEMUFile back into qemu-file.c, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 22/28] migration: delete QEMUFile stdio implementation, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 24/28] migration: don't use an array for storing migrate parameters, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 25/28] migration: define 'tls-creds' and 'tls-hostname' migration parameters, Daniel P. Berrange, 2016/03/18
- [Qemu-devel] [PATCH v5 28/28] migration: remove qemu_get_fd method from QEMUFile, Daniel P. Berrange, 2016/03/18