The newly introduced function libxlDomainMigrationPrepareAny
will be shared between P2P and tunnelled variations.
Signed-off-by: Joao Martins <joao.m.martins@xxxxxxxxxx>
---
New in v2
---
src/libxl/libxl_migration.c | 92 +++++++++++++++++++++++++++------------------
1 file changed, 56 insertions(+), 36 deletions(-)
diff --git a/src/libxl/libxl_migration.c b/src/libxl/libxl_migration.c
index a471d2a..7beabd2 100644
--- a/src/libxl/libxl_migration.c
+++ b/src/libxl/libxl_migration.c
@@ -483,41 +483,26 @@ libxlDomainMigrationPrepareDef(libxlDriverPrivatePtr driver,
return def;
}
-int
-libxlDomainMigrationPrepare(virConnectPtr dconn,
- virDomainDefPtr *def,
- const char *uri_in,
- char **uri_out,
- const char *cookiein,
- int cookieinlen,
- unsigned int flags)
+static int
+libxlDomainMigrationPrepareAny(virConnectPtr dconn,
+ virDomainDefPtr *def,
+ const char *cookiein,
+ int cookieinlen,
+ libxlMigrationCookiePtr *mig,
+ char **xmlout,
+ bool *taint_hook)
{
libxlDriverPrivatePtr driver = dconn->privateData;
libxlDriverConfigPtr cfg = libxlDriverConfigGet(driver);
- libxlMigrationCookiePtr mig = NULL;
- virDomainObjPtr vm = NULL;
- char *hostname = NULL;
- char *xmlout = NULL;
- unsigned short port;
- char portstr[100];
- virURIPtr uri = NULL;
- virNetSocketPtr *socks = NULL;
- size_t nsocks = 0;
- int nsocks_listen = 0;
- libxlMigrationDstArgs *args = NULL;
- bool taint_hook = false;
- libxlDomainObjPrivatePtr priv = NULL;
- size_t i;
- int ret = -1;
- if (libxlMigrationEatCookie(cookiein, cookieinlen, &mig) < 0)
- goto error;
+ if (libxlMigrationEatCookie(cookiein, cookieinlen, mig) < 0)
+ return -1;
- if (mig->xenMigStreamVer > LIBXL_SAVE_VERSION) {
+ if ((*mig)->xenMigStreamVer > LIBXL_SAVE_VERSION) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
_("Xen migration stream version '%d' is not supported on this host"),
- mig->xenMigStreamVer);
- goto error;
+ (*mig)->xenMigStreamVer);
+ return -1;
}
/* Let migration hook filter domain XML */
@@ -528,29 +513,29 @@ libxlDomainMigrationPrepare(virConnectPtr dconn,
if (!(xml = virDomainDefFormat(*def, cfg->caps,
VIR_DOMAIN_XML_SECURE |
VIR_DOMAIN_XML_MIGRATABLE)))
- goto error;
+ return -1;
hookret = virHookCall(VIR_HOOK_DRIVER_LIBXL, (*def)->name,
VIR_HOOK_LIBXL_OP_MIGRATE, VIR_HOOK_SUBOP_BEGIN,
- NULL, xml, &xmlout);
+ NULL, xml, xmlout);
VIR_FREE(xml);
if (hookret < 0) {
- goto error;
+ return -1;
} else if (hookret == 0) {
- if (virStringIsEmpty(xmlout)) {
+ if (virStringIsEmpty(*xmlout)) {
VIR_DEBUG("Migrate hook filter returned nothing; using the"
" original XML");
} else {
virDomainDefPtr newdef;
- VIR_DEBUG("Using hook-filtered domain XML: %s", xmlout);
- newdef = virDomainDefParseString(xmlout, cfg->caps, driver->xmlopt,
+ VIR_DEBUG("Using hook-filtered domain XML: %s", *xmlout);
+ newdef = virDomainDefParseString(*xmlout, cfg->caps, driver->xmlopt,
NULL,
VIR_DOMAIN_DEF_PARSE_INACTIVE |
VIR_DOMAIN_DEF_PARSE_SKIP_VALIDATE);
if (!newdef)
- goto error;
+ return -1;
/* TODO At some stage we will want to have some check of what the user
* did in the hook. */
@@ -560,17 +545,52 @@ libxlDomainMigrationPrepare(virConnectPtr dconn,
/* We should taint the domain here. However, @vm and therefore
* privateData too are still NULL, so just notice the fact and
* taint it later. */
- taint_hook = true;
+ *taint_hook = true;
}
}
}
+ return 0;
+}
+
+int
+libxlDomainMigrationPrepare(virConnectPtr dconn,
+ virDomainDefPtr *def,
+ const char *uri_in,
+ char **uri_out,
+ const char *cookiein,
+ int cookieinlen,
+ unsigned int flags)
+{
+ libxlDriverPrivatePtr driver = dconn->privateData;
+ libxlDriverConfigPtr cfg = libxlDriverConfigGet(driver);
+ libxlMigrationCookiePtr mig = NULL;
+ virDomainObjPtr vm = NULL;
+ char *hostname = NULL;
+ char *xmlout = NULL;
+ unsigned short port;
+ char portstr[100];
+ virURIPtr uri = NULL;
+ virNetSocketPtr *socks = NULL;
+ size_t nsocks = 0;
+ int nsocks_listen = 0;
+ libxlMigrationDstArgs *args = NULL;
+ bool taint_hook = false;
+ libxlDomainObjPrivatePtr priv = NULL;
+ size_t i;
+ int ret = -1;
+
+ if (libxlDomainMigrationPrepareAny(dconn, def, cookiein, cookieinlen,
+ &mig, &xmlout, &taint_hook) < 0)
+ goto error;
+
if (!(vm = virDomainObjListAdd(driver->domains, *def,
driver->xmlopt,
VIR_DOMAIN_OBJ_LIST_ADD_LIVE |
VIR_DOMAIN_OBJ_LIST_ADD_CHECK_LIVE,
NULL)))
goto error;
+
*def = NULL;
priv = vm->privateData;
--
2.1.4
--
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