From 34c9dd8eea38e94d97e22ac12c2f2aaa0dca59d8 Mon Sep 17 00:00:00 2001 From: aliguori Date: Mon, 13 Oct 2008 03:14:31 +0000 Subject: Introduce TCP live migration protocol This patch introduces a tcp protocol for live migration. It can be used as follows: qemu-system-x86_64 -hda ~/images/linux-test.img -monitor stdio (qemu) migrate tcp:localhost:1025 On the same system: qemu-system-x86_64 -hda ~/images/linux-test.img -incoming tcp:localhost:1025 The monitor can be interacted with while waiting for an incoming live migration. Signed-off-by: Anthony Liguori git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5478 c046a42c-6fe2-441c-8c8c-71466251a162 --- migration.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'migration.c') diff --git a/migration.c b/migration.c index 732fe3f..684cbae 100644 --- a/migration.c +++ b/migration.c @@ -22,12 +22,32 @@ static MigrationState *current_migration; void qemu_start_incoming_migration(const char *uri) { - fprintf(stderr, "unknown migration protocol: %s\n", uri); + const char *p; + + if (strstart(uri, "tcp:", &p)) + tcp_start_incoming_migration(p); + else + fprintf(stderr, "unknown migration protocol: %s\n", uri); } void do_migrate(int detach, const char *uri) { - term_printf("unknown migration protocol: %s\n", uri); + MigrationState *s = NULL; + const char *p; + + if (strstart(uri, "tcp:", &p)) + s = tcp_start_outgoing_migration(p, max_throttle, detach); + else + term_printf("unknown migration protocol: %s\n", uri); + + if (s == NULL) + term_printf("migration failed\n"); + else { + if (current_migration) + current_migration->release(current_migration); + + current_migration = s; + } } void do_migrate_cancel(void) -- cgit v1.1