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-rw-r--r--migration/migration-exec.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/migration/migration-exec.c b/migration/migration-exec.c
new file mode 100644
index 0000000..4790247
--- /dev/null
+++ b/migration/migration-exec.c
@@ -0,0 +1,69 @@
+/*
+ * 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 "qemu/main-loop.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);
+}