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Diffstat (limited to 'migration/migration.c')
-rw-r--r--migration/migration.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c
index ce9b7692ad..a1bace259e 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -66,6 +66,7 @@
#include "sysemu/qtest.h"
#include "options.h"
#include "sysemu/dirtylimit.h"
+#include "qemu/sockets.h"
static NotifierList migration_state_notifiers =
NOTIFIER_LIST_INITIALIZER(migration_state_notifiers);
@@ -453,9 +454,62 @@ void migrate_add_address(SocketAddress *address)
QAPI_CLONE(SocketAddress, address));
}
+static bool migrate_uri_parse(const char *uri,
+ MigrationAddress **channel,
+ Error **errp)
+{
+ g_autoptr(MigrationAddress) addr = g_new0(MigrationAddress, 1);
+ SocketAddress *saddr = NULL;
+ InetSocketAddress *isock = &addr->u.rdma;
+ strList **tail = &addr->u.exec.args;
+
+ if (strstart(uri, "exec:", NULL)) {
+ addr->transport = MIGRATION_ADDRESS_TYPE_EXEC;
+#ifdef WIN32
+ QAPI_LIST_APPEND(tail, g_strdup(exec_get_cmd_path()));
+ QAPI_LIST_APPEND(tail, g_strdup("/c"));
+#else
+ QAPI_LIST_APPEND(tail, g_strdup("/bin/sh"));
+ QAPI_LIST_APPEND(tail, g_strdup("-c"));
+#endif
+ QAPI_LIST_APPEND(tail, g_strdup(uri + strlen("exec:")));
+ } else if (strstart(uri, "rdma:", NULL)) {
+ if (inet_parse(isock, uri + strlen("rdma:"), errp)) {
+ qapi_free_InetSocketAddress(isock);
+ return false;
+ }
+ addr->transport = MIGRATION_ADDRESS_TYPE_RDMA;
+ } else if (strstart(uri, "tcp:", NULL) ||
+ strstart(uri, "unix:", NULL) ||
+ strstart(uri, "vsock:", NULL) ||
+ strstart(uri, "fd:", NULL)) {
+ addr->transport = MIGRATION_ADDRESS_TYPE_SOCKET;
+ saddr = socket_parse(uri, errp);
+ if (!saddr) {
+ return false;
+ }
+ addr->u.socket.type = saddr->type;
+ addr->u.socket.u = saddr->u;
+ } else if (strstart(uri, "file:", NULL)) {
+ addr->transport = MIGRATION_ADDRESS_TYPE_FILE;
+ addr->u.file.filename = g_strdup(uri + strlen("file:"));
+ if (file_parse_offset(addr->u.file.filename, &addr->u.file.offset,
+ errp)) {
+ return false;
+ }
+ } else {
+ error_setg(errp, "unknown migration protocol: %s", uri);
+ return false;
+ }
+
+ *channel = g_steal_pointer(&addr);
+ return true;
+}
+
static void qemu_start_incoming_migration(const char *uri, Error **errp)
{
const char *p = NULL;
+ g_autoptr(MigrationAddress) channel = NULL;
MigrationIncomingState *mis = migration_incoming_get_current();
/* URI is not suitable for migration? */
@@ -463,6 +517,10 @@ static void qemu_start_incoming_migration(const char *uri, Error **errp)
return;
}
+ if (uri && !migrate_uri_parse(uri, &channel, errp)) {
+ return;
+ }
+
migrate_set_state(&mis->state, MIGRATION_STATUS_NONE,
MIGRATION_STATUS_SETUP);
@@ -1840,12 +1898,17 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
Error *local_err = NULL;
MigrationState *s = migrate_get_current();
const char *p = NULL;
+ g_autoptr(MigrationAddress) channel = NULL;
/* URI is not suitable for migration? */
if (!migration_channels_and_uri_compatible(uri, errp)) {
return;
}
+ if (!migrate_uri_parse(uri, &channel, errp)) {
+ return;
+ }
+
resume_requested = has_resume && resume;
if (!migrate_prepare(s, has_blk && blk, has_inc && inc,
resume_requested, errp)) {