mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-23 11:39:53 +00:00
b352365f5a
The indirection is useless now. Backends can open s->file directly. Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
|
|
* QEMU live migration
|
|
*
|
|
* Copyright IBM, Corp. 2008
|
|
* Copyright Dell MessageOne 2008
|
|
*
|
|
* Authors:
|
|
* Anthony Liguori <aliguori@us.ibm.com>
|
|
* Charles Duffy <charles_duffy@messageone.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
* Contributions after 2012-01-13 are licensed under the terms of the
|
|
* GNU GPL, version 2 or (at your option) any later version.
|
|
*/
|
|
|
|
#include "qemu-common.h"
|
|
#include "qemu/sockets.h"
|
|
#include "migration/migration.h"
|
|
#include "migration/qemu-file.h"
|
|
#include "block/block.h"
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
|
|
//#define DEBUG_MIGRATION_EXEC
|
|
|
|
#ifdef DEBUG_MIGRATION_EXEC
|
|
#define DPRINTF(fmt, ...) \
|
|
do { printf("migration-exec: " fmt, ## __VA_ARGS__); } while (0)
|
|
#else
|
|
#define DPRINTF(fmt, ...) \
|
|
do { } while (0)
|
|
#endif
|
|
|
|
void exec_start_outgoing_migration(MigrationState *s, const char *command, Error **errp)
|
|
{
|
|
s->file = qemu_popen_cmd(command, "w");
|
|
if (s->file == NULL) {
|
|
error_setg_errno(errp, errno, "failed to popen the migration target");
|
|
return;
|
|
}
|
|
|
|
migrate_fd_connect(s);
|
|
}
|
|
|
|
static void exec_accept_incoming_migration(void *opaque)
|
|
{
|
|
QEMUFile *f = opaque;
|
|
|
|
qemu_set_fd_handler2(qemu_get_fd(f), NULL, NULL, NULL, NULL);
|
|
process_incoming_migration(f);
|
|
}
|
|
|
|
void exec_start_incoming_migration(const char *command, Error **errp)
|
|
{
|
|
QEMUFile *f;
|
|
|
|
DPRINTF("Attempting to start an incoming migration\n");
|
|
f = qemu_popen_cmd(command, "r");
|
|
if(f == NULL) {
|
|
error_setg_errno(errp, errno, "failed to popen the migration source");
|
|
return;
|
|
}
|
|
|
|
qemu_set_fd_handler2(qemu_get_fd(f), NULL,
|
|
exec_accept_incoming_migration, NULL, f);
|
|
}
|