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spice: add QemuSpiceOps, move migrate_info 

Add QemuSpiceOps struct.  This struct holds function pointers to the
spice functions.  It will be initialized with pointers to the stub
functions.  When spice gets initialized the function pointers will
be re-written to the real functions.

The spice stubs will move from qemu-spice.h to spice-module.c for that,
because they will be needed for both "CONFIG_SPICE=n" and "CONFIG_SPICE=y
but spice module not loaded" cases.

This patch adds the infrastructure and starts with moving
qemu_spice_migrate_info() to QemuSpiceOps.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20201019075224.14803-3-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-10-19 09:52:12 +02:00
parent 2e31e210a8
commit 7477477ca7
5 changed files with 21 additions and 6 deletions
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5
include/ui/qemu-spice-module.h
View File

@ -18,6 +18,11 @@
#ifndef QEMU_SPICE_MODULE_H
#define QEMU_SPICE_MODULE_H
struct QemuSpiceOps {
int (*migrate_info)(const char *h, int p, int t, const char *s);
};
extern int using_spice;
extern struct QemuSpiceOps qemu_spice;
#endif

5
include/ui/qemu-spice.h
View File

@ -60,11 +60,6 @@ static inline int qemu_spice_set_pw_expire(time_t expires)
{
return -1;
}
static inline int qemu_spice_migrate_info(const char *h, int p, int t,
const char *s)
{
return -1;
}
static inline int qemu_spice_display_add_client(int csock, int skipauth,
int tls)

2
monitor/misc.c
View File

@ -437,7 +437,7 @@ void qmp_client_migrate_info(const char *protocol, const char *hostname,
return;
}
if (qemu_spice_migrate_info(hostname,
if (qemu_spice.migrate_info(hostname,
has_port ? port : -1,
has_tls_port ? tls_port : -1,
cert_subject)) {

5
ui/spice-core.c
View File

@ -993,8 +993,13 @@ int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
return spice_display_is_running;
}
static struct QemuSpiceOps real_spice_ops = {
.migrate_info = qemu_spice_migrate_info,
};
static void spice_register_config(void)
{
qemu_spice = real_spice_ops;
qemu_add_opts(&qemu_spice_opts);
}
opts_init(spice_register_config);

10
ui/spice-module.c
View File

@ -21,3 +21,13 @@
#include "ui/qemu-spice-module.h"
int using_spice;
static int qemu_spice_migrate_info_stub(const char *h, int p, int t,
const char *s)
{
return -1;
}
struct QemuSpiceOps qemu_spice = {
.migrate_info = qemu_spice_migrate_info_stub,
};