mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2025-01-11 07:17:44 +00:00
Implement extensible migration APIs in remote driver
This commit is contained in:
Jiri Denemark
parent
c0762b6518
commit
cca4d10d82
@ -6042,6 +6042,398 @@ done:
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}
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static char *
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remoteDomainMigrateBegin3Params(virDomainPtr domain,
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virTypedParameterPtr params,
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int nparams,
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char **cookieout,
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int *cookieoutlen,
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unsigned int flags)
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{
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char *rv = NULL;
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remote_domain_migrate_begin3_params_args args;
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remote_domain_migrate_begin3_params_ret ret;
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struct private_data *priv = domain->conn->privateData;
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remoteDriverLock(priv);
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memset(&args, 0, sizeof(args));
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memset(&ret, 0, sizeof(ret));
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make_nonnull_domain(&args.dom, domain);
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args.flags = flags;
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if (remoteSerializeTypedParameters(params, nparams,
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&args.params.params_val,
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&args.params.params_len) < 0) {
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xdr_free((xdrproc_t) xdr_remote_domain_migrate_begin3_params_args,
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(char *) &args);
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goto cleanup;
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}
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if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_BEGIN3_PARAMS,
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(xdrproc_t) xdr_remote_domain_migrate_begin3_params_args,
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(char *) &args,
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(xdrproc_t) xdr_remote_domain_migrate_begin3_params_ret,
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(char *) &ret) == -1)
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goto cleanup;
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if (ret.cookie_out.cookie_out_len > 0) {
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if (!cookieout || !cookieoutlen) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("caller ignores cookieout or cookieoutlen"));
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goto error;
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}
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*cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */
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*cookieoutlen = ret.cookie_out.cookie_out_len;
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}
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rv = ret.xml; /* caller frees */
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cleanup:
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remoteFreeTypedParameters(args.params.params_val, args.params.params_len);
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remoteDriverUnlock(priv);
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return rv;
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error:
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VIR_FREE(ret.cookie_out.cookie_out_val);
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goto cleanup;
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}
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static int
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remoteDomainMigratePrepare3Params(virConnectPtr dconn,
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virTypedParameterPtr params,
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int nparams,
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const char *cookiein,
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int cookieinlen,
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char **cookieout,
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int *cookieoutlen,
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char **uri_out,
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unsigned int flags)
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{
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int rv = -1;
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remote_domain_migrate_prepare3_params_args args;
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remote_domain_migrate_prepare3_params_ret ret;
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struct private_data *priv = dconn->privateData;
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remoteDriverLock(priv);
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memset(&args, 0, sizeof(args));
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memset(&ret, 0, sizeof(ret));
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if (remoteSerializeTypedParameters(params, nparams,
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&args.params.params_val,
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&args.params.params_len) < 0) {
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xdr_free((xdrproc_t) xdr_remote_domain_migrate_prepare3_params_args,
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(char *) &args);
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goto cleanup;
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}
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args.cookie_in.cookie_in_val = (char *)cookiein;
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args.cookie_in.cookie_in_len = cookieinlen;
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args.flags = flags;
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if (call(dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE3_PARAMS,
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(xdrproc_t) xdr_remote_domain_migrate_prepare3_params_args,
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(char *) &args,
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(xdrproc_t) xdr_remote_domain_migrate_prepare3_params_ret,
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(char *) &ret) == -1)
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goto cleanup;
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if (ret.cookie_out.cookie_out_len > 0) {
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if (!cookieout || !cookieoutlen) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("caller ignores cookieout or cookieoutlen"));
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goto error;
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}
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*cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */
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*cookieoutlen = ret.cookie_out.cookie_out_len;
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}
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if (ret.uri_out) {
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if (!uri_out) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("caller ignores uri_out"));
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goto error;
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}
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*uri_out = *ret.uri_out; /* Caller frees. */
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}
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rv = 0;
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cleanup:
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remoteFreeTypedParameters(args.params.params_val, args.params.params_len);
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VIR_FREE(ret.uri_out);
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remoteDriverUnlock(priv);
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return rv;
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error:
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VIR_FREE(ret.cookie_out.cookie_out_val);
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if (ret.uri_out)
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VIR_FREE(*ret.uri_out);
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goto cleanup;
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}
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static int
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remoteDomainMigratePrepareTunnel3Params(virConnectPtr dconn,
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virStreamPtr st,
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virTypedParameterPtr params,
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int nparams,
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const char *cookiein,
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int cookieinlen,
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char **cookieout,
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int *cookieoutlen,
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unsigned int flags)
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{
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struct private_data *priv = dconn->privateData;
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int rv = -1;
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remote_domain_migrate_prepare_tunnel3_params_args args;
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remote_domain_migrate_prepare_tunnel3_params_ret ret;
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virNetClientStreamPtr netst;
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remoteDriverLock(priv);
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memset(&args, 0, sizeof(args));
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memset(&ret, 0, sizeof(ret));
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args.cookie_in.cookie_in_val = (char *)cookiein;
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args.cookie_in.cookie_in_len = cookieinlen;
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args.flags = flags;
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if (remoteSerializeTypedParameters(params, nparams,
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&args.params.params_val,
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&args.params.params_len) < 0) {
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xdr_free((xdrproc_t) xdr_remote_domain_migrate_prepare_tunnel3_params_args,
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(char *) &args);
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goto cleanup;
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}
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if (!(netst = virNetClientStreamNew(priv->remoteProgram,
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REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3_PARAMS,
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priv->counter)))
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goto cleanup;
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if (virNetClientAddStream(priv->client, netst) < 0) {
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virObjectUnref(netst);
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goto cleanup;
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}
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st->driver = &remoteStreamDrv;
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st->privateData = netst;
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if (call(dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3_PARAMS,
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(xdrproc_t) xdr_remote_domain_migrate_prepare_tunnel3_params_args,
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(char *) &args,
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(xdrproc_t) xdr_remote_domain_migrate_prepare_tunnel3_params_ret,
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(char *) &ret) == -1) {
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virNetClientRemoveStream(priv->client, netst);
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virObjectUnref(netst);
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goto cleanup;
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}
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if (ret.cookie_out.cookie_out_len > 0) {
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if (!cookieout || !cookieoutlen) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("caller ignores cookieout or cookieoutlen"));
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goto error;
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}
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*cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */
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*cookieoutlen = ret.cookie_out.cookie_out_len;
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}
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rv = 0;
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cleanup:
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remoteFreeTypedParameters(args.params.params_val, args.params.params_len);
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remoteDriverUnlock(priv);
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return rv;
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error:
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VIR_FREE(ret.cookie_out.cookie_out_val);
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goto cleanup;
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}
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static int
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remoteDomainMigratePerform3Params(virDomainPtr dom,
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const char *dconnuri,
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virTypedParameterPtr params,
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int nparams,
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const char *cookiein,
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int cookieinlen,
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char **cookieout,
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int *cookieoutlen,
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unsigned int flags)
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{
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int rv = -1;
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remote_domain_migrate_perform3_params_args args;
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remote_domain_migrate_perform3_params_ret ret;
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struct private_data *priv = dom->conn->privateData;
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remoteDriverLock(priv);
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memset(&args, 0, sizeof(args));
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memset(&ret, 0, sizeof(ret));
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make_nonnull_domain(&args.dom, dom);
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args.dconnuri = dconnuri == NULL ? NULL : (char **) &dconnuri;
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args.cookie_in.cookie_in_val = (char *)cookiein;
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args.cookie_in.cookie_in_len = cookieinlen;
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args.flags = flags;
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if (remoteSerializeTypedParameters(params, nparams,
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&args.params.params_val,
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&args.params.params_len) < 0) {
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xdr_free((xdrproc_t) xdr_remote_domain_migrate_perform3_params_args,
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(char *) &args);
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goto cleanup;
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}
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if (call(dom->conn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PERFORM3_PARAMS,
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(xdrproc_t) xdr_remote_domain_migrate_perform3_params_args,
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(char *) &args,
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(xdrproc_t) xdr_remote_domain_migrate_perform3_params_ret,
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(char *) &ret) == -1)
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goto cleanup;
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if (ret.cookie_out.cookie_out_len > 0) {
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if (!cookieout || !cookieoutlen) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("caller ignores cookieout or cookieoutlen"));
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goto error;
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}
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*cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */
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*cookieoutlen = ret.cookie_out.cookie_out_len;
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}
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rv = 0;
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cleanup:
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remoteFreeTypedParameters(args.params.params_val, args.params.params_len);
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remoteDriverUnlock(priv);
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return rv;
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error:
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VIR_FREE(ret.cookie_out.cookie_out_val);
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goto cleanup;
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}
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static virDomainPtr
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remoteDomainMigrateFinish3Params(virConnectPtr dconn,
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virTypedParameterPtr params,
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int nparams,
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const char *cookiein,
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int cookieinlen,
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char **cookieout,
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int *cookieoutlen,
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unsigned int flags,
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int cancelled)
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{
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remote_domain_migrate_finish3_params_args args;
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remote_domain_migrate_finish3_params_ret ret;
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struct private_data *priv = dconn->privateData;
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virDomainPtr rv = NULL;
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remoteDriverLock(priv);
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memset(&args, 0, sizeof(args));
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memset(&ret, 0, sizeof(ret));
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args.cookie_in.cookie_in_val = (char *)cookiein;
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args.cookie_in.cookie_in_len = cookieinlen;
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args.flags = flags;
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args.cancelled = cancelled;
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if (remoteSerializeTypedParameters(params, nparams,
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&args.params.params_val,
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&args.params.params_len) < 0) {
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xdr_free((xdrproc_t) xdr_remote_domain_migrate_finish3_params_args,
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(char *) &args);
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goto cleanup;
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}
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if (call(dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_FINISH3_PARAMS,
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(xdrproc_t) xdr_remote_domain_migrate_finish3_params_args,
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(char *) &args,
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(xdrproc_t) xdr_remote_domain_migrate_finish3_params_ret,
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(char *) &ret) == -1)
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goto cleanup;
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rv = get_nonnull_domain(dconn, ret.dom);
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if (ret.cookie_out.cookie_out_len > 0) {
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if (!cookieout || !cookieoutlen) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("caller ignores cookieout or cookieoutlen"));
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goto error;
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}
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*cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */
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*cookieoutlen = ret.cookie_out.cookie_out_len;
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ret.cookie_out.cookie_out_val = NULL;
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ret.cookie_out.cookie_out_len = 0;
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}
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xdr_free((xdrproc_t) &xdr_remote_domain_migrate_finish3_params_ret,
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(char *) &ret);
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cleanup:
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remoteFreeTypedParameters(args.params.params_val, args.params.params_len);
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remoteDriverUnlock(priv);
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return rv;
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error:
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VIR_FREE(ret.cookie_out.cookie_out_val);
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goto cleanup;
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}
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static int
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remoteDomainMigrateConfirm3Params(virDomainPtr domain,
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virTypedParameterPtr params,
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int nparams,
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const char *cookiein,
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int cookieinlen,
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unsigned int flags,
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int cancelled)
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{
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int rv = -1;
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remote_domain_migrate_confirm3_params_args args;
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struct private_data *priv = domain->conn->privateData;
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remoteDriverLock(priv);
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memset(&args, 0, sizeof(args));
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make_nonnull_domain(&args.dom, domain);
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args.cookie_in.cookie_in_len = cookieinlen;
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args.cookie_in.cookie_in_val = (char *) cookiein;
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args.flags = flags;
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args.cancelled = cancelled;
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if (remoteSerializeTypedParameters(params, nparams,
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&args.params.params_val,
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&args.params.params_len) < 0) {
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xdr_free((xdrproc_t) xdr_remote_domain_migrate_confirm3_params_args,
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(char *) &args);
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goto cleanup;
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}
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if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_CONFIRM3_PARAMS,
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(xdrproc_t) xdr_remote_domain_migrate_confirm3_params_args,
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(char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1)
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goto cleanup;
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rv = 0;
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cleanup:
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remoteFreeTypedParameters(args.params.params_val, args.params.params_len);
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remoteDriverUnlock(priv);
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return rv;
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}
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static void
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remoteDomainEventQueue(struct private_data *priv, virDomainEventPtr event)
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{
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@ -6367,6 +6759,12 @@ static virDriver remote_driver = {
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.nodeGetCPUMap = remoteNodeGetCPUMap, /* 1.0.0 */
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.domainFSTrim = remoteDomainFSTrim, /* 1.0.1 */
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.domainLxcOpenNamespace = remoteDomainLxcOpenNamespace, /* 1.0.2 */
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.domainMigrateBegin3Params = remoteDomainMigrateBegin3Params, /* 1.1.0 */
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.domainMigratePrepare3Params = remoteDomainMigratePrepare3Params, /* 1.1.0 */
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.domainMigratePrepareTunnel3Params = remoteDomainMigratePrepareTunnel3Params, /* 1.1.0 */
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.domainMigratePerform3Params = remoteDomainMigratePerform3Params, /* 1.1.0 */
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.domainMigrateFinish3Params = remoteDomainMigrateFinish3Params, /* 1.1.0 */
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.domainMigrateConfirm3Params = remoteDomainMigrateConfirm3Params, /* 1.1.0 */
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};
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static virNetworkDriver network_driver = {
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