Add qemu_file_open and qemu_fd_open to create QEMUFile objects for unix
files and file descriptors.
Signed-off-by: Steve Sistare <steven.sist...@oracle.com>
---
migration/qemu-file-channel.c | 36 ++++++++++++++++++++++++++++++++++++
migration/qemu-file-channel.h | 6 ++++++
2 files changed, 42 insertions(+)
diff --git a/migration/qemu-file-channel.c b/migration/qemu-file-channel.c
index bb5a575..afb16d7 100644
--- a/migration/qemu-file-channel.c
+++ b/migration/qemu-file-channel.c
@@ -27,8 +27,10 @@
#include "qemu-file.h"
#include "io/channel-socket.h"
#include "io/channel-tls.h"
+#include "io/channel-file.h"
#include "qemu/iov.h"
#include "qemu/yank.h"
+#include "qapi/error.h"
#include "yank_functions.h"
@@ -192,3 +194,37 @@ QEMUFile *qemu_fopen_channel_output(QIOChannel *ioc)
object_ref(OBJECT(ioc));
return qemu_fopen_ops(ioc, &channel_output_ops, true);
}
+
+QEMUFile *qemu_file_open(const char *path, int flags, int mode,
+ const char *name, Error **errp)
+{
+ g_autoptr(QIOChannelFile) fioc = NULL;
+ QIOChannel *ioc;
+ QEMUFile *f;
+
+ if (flags & O_RDWR) {
+ error_setg(errp, "qemu_file_open %s: O_RDWR not supported", path);
+ return NULL;
+ }
+
+ fioc = qio_channel_file_new_path(path, flags, mode, errp);
+ if (!fioc) {
+ return NULL;
+ }
+
+ ioc = QIO_CHANNEL(fioc);
+ qio_channel_set_name(ioc, name);
+ f = (flags & O_WRONLY) ? qemu_fopen_channel_output(ioc) :
+ qemu_fopen_channel_input(ioc);
+ return f;
+}
+
+QEMUFile *qemu_fd_open(int fd, bool writable, const char *name)
+{
+ g_autoptr(QIOChannelFile) fioc = qio_channel_file_new_fd(fd);
+ QIOChannel *ioc = QIO_CHANNEL(fioc);
+ QEMUFile *f = writable ? qemu_fopen_channel_output(ioc) :
+ qemu_fopen_channel_input(ioc);
+ qio_channel_set_name(ioc, name);
+ return f;
+}
diff --git a/migration/qemu-file-channel.h b/migration/qemu-file-channel.h
index 0028a09..324ae2d 100644
--- a/migration/qemu-file-channel.h
+++ b/migration/qemu-file-channel.h
@@ -29,4 +29,10 @@
QEMUFile *qemu_fopen_channel_input(QIOChannel *ioc);
QEMUFile *qemu_fopen_channel_output(QIOChannel *ioc);
+
+QEMUFile *qemu_file_open(const char *path, int flags, int mode,
+ const char *name, Error **errp);
+
+QEMUFile *qemu_fd_open(int fd, bool writable, const char *name);
+
#endif
--
1.8.3.1
