@@ -70,6 +70,8 @@ QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
QEMUFile *qemu_fopen(const char *filename, const char *mode);
QEMUFile *qemu_fdopen(int fd, const char *mode);
QEMUFile *qemu_fopen_socket(int fd);
+QEMUFile *qemu_fopen_transaction(int fd);
+QEMUFile *qemu_fopen_tranx_sender(void *opaque);
QEMUFile *qemu_popen(FILE *popen_file, const char *mode);
QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
int qemu_stdio_fd(QEMUFile *f);
@@ -81,6 +83,9 @@ void qemu_put_vector(QEMUFile *f, QEMUIOVector *qiov);
void qemu_put_vector_prepare(QEMUFile *f);
void *qemu_realloc_buffer(QEMUFile *f, int size);
void qemu_clear_buffer(QEMUFile *f);
+int qemu_transaction_begin(QEMUFile *f);
+int qemu_transaction_commit(QEMUFile *f);
+int qemu_transaction_cancel(QEMUFile *f);
static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
{
@@ -82,6 +82,7 @@
#include "migration.h"
#include "qemu_socket.h"
#include "qemu-queue.h"
+#include "ft_transaction.h"
/* point to the block driver where the snapshots are managed */
static BlockDriverState *bs_snapshots;
@@ -210,6 +211,21 @@ static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
return len;
}
+static ssize_t socket_put_buffer(void *opaque, const void *buf, size_t size)
+{
+ QEMUFileSocket *s = opaque;
+ ssize_t len;
+
+ do {
+ len = send(s->fd, (void *)buf, size, 0);
+ } while (len == -1 && socket_error() == EINTR);
+
+ if (len == -1)
+ len = -socket_error();
+
+ return len;
+}
+
static int socket_close(void *opaque)
{
QEMUFileSocket *s = opaque;
@@ -338,6 +354,16 @@ QEMUFile *qemu_fopen_socket(int fd)
return s->file;
}
+QEMUFile *qemu_fopen_transaction(int fd)
+{
+ QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
+
+ s->fd = fd;
+ s->file = qemu_fopen_ops_ft_tranx(s, socket_put_buffer, NULL,
+ socket_get_buffer, NULL, socket_close, 0);
+ return s->file;
+}
+
static int file_put_buffer(void *opaque, const uint8_t *buf,
int64_t pos, int size)
{
@@ -485,6 +511,21 @@ void qemu_clear_buffer(QEMUFile *f)
memset(f->buf, 0, f->buf_max_size);
}
+int qemu_transaction_begin(QEMUFile *f)
+{
+ return qemu_ft_tranx_begin(f->opaque);
+}
+
+int qemu_transaction_commit(QEMUFile *f)
+{
+ return qemu_ft_tranx_commit(f->opaque);
+}
+
+int qemu_transaction_cancel(QEMUFile *f)
+{
+ return qemu_ft_tranx_cancel(f->opaque);
+}
+
static void qemu_fill_buffer(QEMUFile *f)
{
int len;