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[libvirt] [PATCH 19/22] remote generator, client: Handle functions with optional return values



---
 daemon/remote_generator.pl        |   44 ++++++++-----
 src/remote/remote_client_bodies.c |  129 +++++++++++++++++++++++++++++++++++--
 src/remote/remote_driver.c        |  128 ------------------------------------
 3 files changed, 152 insertions(+), 149 deletions(-)

diff --git a/daemon/remote_generator.pl b/daemon/remote_generator.pl
index b0e9a4c..774188b 100755
--- a/daemon/remote_generator.pl
+++ b/daemon/remote_generator.pl
@@ -473,9 +473,7 @@ elsif ($opt_b) {
                     push(@ret_list, "ret->$1 = $1;");
                     $single_ret_var = $1;
 
-                    if ($calls{$_}->{ProcName} eq "DomainGetAutostart" or
-                        $calls{$_}->{ProcName} eq "NetworkGetAutostart" or
-                        $calls{$_}->{ProcName} eq "StoragePoolGetAutostart") {
+                    if ($calls{$_}->{ProcName} =~ m/GetAutostart$/) {
                         $single_ret_by_ref = 1;
                     } else {
                         $single_ret_by_ref = 0;
@@ -753,15 +751,12 @@ elsif ($opt_k) {
                           "CPUBaseline",
                           "DomainCreate",
                           "DomainDestroy",
-                          "DomainGetAutostart",
                           "DomainMigrateFinish",
                           "NWFilterDefineXML", # public API and XDR protocol mismatch
                           "DomainMigratePerform",
                           "DomainMigrateFinish2",
                           "DomainSnapshotListNames",
-                          "GetLibVersion",
                           "FindStoragePoolSources",
-                          "GetVersion",
                           "IsSecure",
                           "ListDefinedDomains",
                           "ListDefinedInterfaces",
@@ -773,8 +768,6 @@ elsif ($opt_k) {
                           "StoragePoolListVolumes",
                           "ListDomains",
                           "ListStoragePools",
-                          "NetworkGetAutostart",
-                          "StoragePoolGetAutostart",
                           "SecretSetValue",
                           "GetURI",
                           "ListInterfaces",
@@ -995,18 +988,37 @@ elsif ($opt_k) {
                     $single_ret_var = "vir${type_name}Ptr rv = NULL";
                     $single_ret_type = "vir${type_name}Ptr";
                 } elsif ($ret_member =~ m/^int (\S+);/) {
-                    push(@ret_list, "rv = ret.$1;");
+                    my $arg_name = $1;
+
+                    if ($call->{ProcName} =~ m/GetAutostart$/) {
+                        push(@args_list, "int *$arg_name");
+                        push(@ret_list, "if ($arg_name) *$arg_name = ret.$arg_name;");
+                        push(@ret_list, "rv = 0;");
+                    } else {
+                        push(@ret_list, "rv = ret.$arg_name;");
+                    }
+
                     $single_ret_var = "int rv = -1";
                     $single_ret_type = "int";
                 } elsif ($ret_member =~ m/hyper (\S+);/) {
-                    push(@ret_list, "rv = ret.$1;");
-
-                    if ($call->{ProcName} eq "NodeGetFreeMemory") {
-                        $single_ret_var = "unsigned long long rv = 0";
-                        $single_ret_type = "unsigned long long";
+                    my $arg_name = $1;
+
+                    if ($call->{ProcName} =~ m/Get(Lib)?Version/) {
+                        push(@args_list, "unsigned long *$arg_name");
+                        push(@ret_list, "if ($arg_name) *$arg_name = ret.$arg_name;");
+                        push(@ret_list, "rv = 0;");
+                        $single_ret_var = "int rv = -1";
+                        $single_ret_type = "int";
                     } else {
-                        $single_ret_var = "unsigned long rv = 0";
-                        $single_ret_type = "unsigned long";
+                        push(@ret_list, "rv = ret.$arg_name;");
+
+                        if ($call->{ProcName} eq "NodeGetFreeMemory") {
+                            $single_ret_var = "unsigned long long rv = 0";
+                            $single_ret_type = "unsigned long long";
+                        } else {
+                            $single_ret_var = "unsigned long rv = 0";
+                            $single_ret_type = "unsigned long";
+                        }
                     }
                 } else {
                     die "unhandled type for return value: $ret_member";
diff --git a/src/remote/remote_client_bodies.c b/src/remote/remote_client_bodies.c
index 334b963..e61055b 100644
--- a/src/remote/remote_client_bodies.c
+++ b/src/remote/remote_client_bodies.c
@@ -319,7 +319,32 @@ done:
 
 /* remoteDispatchDomainEventsRegisterAny has to be implemented manually */
 
-/* remoteDispatchDomainGetAutostart has to be implemented manually */
+static int
+remoteDomainGetAutostart(virDomainPtr dom, int *autostart)
+{
+    int rv = -1;
+    struct private_data *priv = dom->conn->privateData;
+    remote_domain_get_autostart_args args;
+    remote_domain_get_autostart_ret ret;
+
+    remoteDriverLock(priv);
+
+    make_nonnull_domain(&args.dom, dom);
+
+    memset(&ret, 0, sizeof ret);
+
+    if (call(dom->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_AUTOSTART,
+             (xdrproc_t)xdr_remote_domain_get_autostart_args, (char *)&args,
+             (xdrproc_t)xdr_remote_domain_get_autostart_ret, (char *)&ret) == -1)
+        goto done;
+
+    if (autostart) *autostart = ret.autostart;
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
 
 /* remoteDispatchDomainGetBlkioParameters has to be implemented manually */
 
@@ -1538,7 +1563,29 @@ done:
     return rv;
 }
 
-/* remoteDispatchGetLibVersion has to be implemented manually */
+static int
+remoteGetLibVersion(virConnectPtr conn, unsigned long *lib_ver)
+{
+    int rv = -1;
+    struct private_data *priv = conn->privateData;
+    remote_get_lib_version_ret ret;
+
+    remoteDriverLock(priv);
+
+    memset(&ret, 0, sizeof ret);
+
+    if (call(conn, priv, 0, REMOTE_PROC_GET_LIB_VERSION,
+             (xdrproc_t)xdr_void, (char *)NULL,
+             (xdrproc_t)xdr_remote_get_lib_version_ret, (char *)&ret) == -1)
+        goto done;
+
+    if (lib_ver) *lib_ver = ret.lib_ver;
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
 
 static int
 remoteGetMaxVcpus(virConnectPtr conn, const char *type)
@@ -1596,7 +1643,29 @@ done:
 
 /* remoteDispatchGetURI has to be implemented manually */
 
-/* remoteDispatchGetVersion has to be implemented manually */
+static int
+remoteGetVersion(virConnectPtr conn, unsigned long *hv_ver)
+{
+    int rv = -1;
+    struct private_data *priv = conn->privateData;
+    remote_get_version_ret ret;
+
+    remoteDriverLock(priv);
+
+    memset(&ret, 0, sizeof ret);
+
+    if (call(conn, priv, 0, REMOTE_PROC_GET_VERSION,
+             (xdrproc_t)xdr_void, (char *)NULL,
+             (xdrproc_t)xdr_remote_get_version_ret, (char *)&ret) == -1)
+        goto done;
+
+    if (hv_ver) *hv_ver = ret.hv_ver;
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
 
 static int
 remoteInterfaceCreate(virInterfacePtr iface, unsigned int flags)
@@ -1953,7 +2022,32 @@ done:
     return rv;
 }
 
-/* remoteDispatchNetworkGetAutostart has to be implemented manually */
+static int
+remoteNetworkGetAutostart(virNetworkPtr net, int *autostart)
+{
+    int rv = -1;
+    struct private_data *priv = net->conn->networkPrivateData;
+    remote_network_get_autostart_args args;
+    remote_network_get_autostart_ret ret;
+
+    remoteDriverLock(priv);
+
+    make_nonnull_network(&args.net, net);
+
+    memset(&ret, 0, sizeof ret);
+
+    if (call(net->conn, priv, 0, REMOTE_PROC_NETWORK_GET_AUTOSTART,
+             (xdrproc_t)xdr_remote_network_get_autostart_args, (char *)&args,
+             (xdrproc_t)xdr_remote_network_get_autostart_ret, (char *)&ret) == -1)
+        goto done;
+
+    if (autostart) *autostart = ret.autostart;
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
 
 static char *
 remoteNetworkGetBridgeName(virNetworkPtr net)
@@ -3015,7 +3109,32 @@ done:
     return rv;
 }
 
-/* remoteDispatchStoragePoolGetAutostart has to be implemented manually */
+static int
+remoteStoragePoolGetAutostart(virStoragePoolPtr pool, int *autostart)
+{
+    int rv = -1;
+    struct private_data *priv = pool->conn->storagePrivateData;
+    remote_storage_pool_get_autostart_args args;
+    remote_storage_pool_get_autostart_ret ret;
+
+    remoteDriverLock(priv);
+
+    make_nonnull_storage_pool(&args.pool, pool);
+
+    memset(&ret, 0, sizeof ret);
+
+    if (call(pool->conn, priv, 0, REMOTE_PROC_STORAGE_POOL_GET_AUTOSTART,
+             (xdrproc_t)xdr_remote_storage_pool_get_autostart_args, (char *)&args,
+             (xdrproc_t)xdr_remote_storage_pool_get_autostart_ret, (char *)&ret) == -1)
+        goto done;
+
+    if (autostart) *autostart = ret.autostart;
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
 
 static int
 remoteStoragePoolGetInfo(virStoragePoolPtr pool, virStoragePoolInfoPtr result)
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 6cbcc35..8dc71d6 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -1698,53 +1698,6 @@ done:
     return rv;
 }
 
-static int
-remoteGetVersion (virConnectPtr conn, unsigned long *hvVer)
-{
-    int rv = -1;
-    remote_get_version_ret ret;
-    struct private_data *priv = conn->privateData;
-
-    remoteDriverLock(priv);
-
-    memset (&ret, 0, sizeof ret);
-    if (call (conn, priv, 0, REMOTE_PROC_GET_VERSION,
-              (xdrproc_t) xdr_void, (char *) NULL,
-              (xdrproc_t) xdr_remote_get_version_ret, (char *) &ret) == -1)
-        goto done;
-
-    if (hvVer) *hvVer = ret.hv_ver;
-    rv = 0;
-
-done:
-    remoteDriverUnlock(priv);
-    return rv;
-}
-
-static int
-remoteGetLibVersion (virConnectPtr conn, unsigned long *libVer)
-{
-    int rv = -1;
-    remote_get_lib_version_ret ret;
-    struct private_data *priv = conn->privateData;
-
-    remoteDriverLock(priv);
-
-    memset (&ret, 0, sizeof ret);
-    if (call (conn, priv, 0, REMOTE_PROC_GET_LIB_VERSION,
-              (xdrproc_t) xdr_void, (char *) NULL,
-              (xdrproc_t) xdr_remote_get_lib_version_ret,
-              (char *) &ret) == -1)
-        goto done;
-
-    if (libVer) *libVer = ret.lib_ver;
-    rv = 0;
-
-done:
-    remoteDriverUnlock(priv);
-    return rv;
-}
-
 static int remoteIsSecure(virConnectPtr conn)
 {
     int rv = -1;
@@ -2783,32 +2736,6 @@ done:
     return rv;
 }
 
-static int
-remoteDomainGetAutostart (virDomainPtr domain, int *autostart)
-{
-    int rv = -1;
-    remote_domain_get_autostart_args args;
-    remote_domain_get_autostart_ret ret;
-    struct private_data *priv = domain->conn->privateData;
-
-    remoteDriverLock(priv);
-
-    make_nonnull_domain (&args.dom, domain);
-
-    memset (&ret, 0, sizeof ret);
-    if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_AUTOSTART,
-              (xdrproc_t) xdr_remote_domain_get_autostart_args, (char *) &args,
-              (xdrproc_t) xdr_remote_domain_get_autostart_ret, (char *) &ret) == -1)
-        goto done;
-
-    if (autostart) *autostart = ret.autostart;
-    rv = 0;
-
-done:
-    remoteDriverUnlock(priv);
-    return rv;
-}
-
 static char *
 remoteDomainGetSchedulerType (virDomainPtr domain, int *nparams)
 {
@@ -3300,33 +3227,6 @@ done:
     return rv;
 }
 
-static int
-remoteNetworkGetAutostart (virNetworkPtr network, int *autostart)
-{
-    int rv = -1;
-    remote_network_get_autostart_args args;
-    remote_network_get_autostart_ret ret;
-    struct private_data *priv = network->conn->networkPrivateData;
-
-    remoteDriverLock(priv);
-
-    make_nonnull_network (&args.net, network);
-
-    memset (&ret, 0, sizeof ret);
-    if (call (network->conn, priv, 0, REMOTE_PROC_NETWORK_GET_AUTOSTART,
-              (xdrproc_t) xdr_remote_network_get_autostart_args, (char *) &args,
-              (xdrproc_t) xdr_remote_network_get_autostart_ret, (char *) &ret) == -1)
-        goto done;
-
-    if (autostart) *autostart = ret.autostart;
-
-    rv = 0;
-
-done:
-    remoteDriverUnlock(priv);
-    return rv;
-}
-
 /*----------------------------------------------------------------------*/
 
 static virDrvOpenStatus ATTRIBUTE_NONNULL (1)
@@ -3733,34 +3633,6 @@ done:
 }
 
 static int
-remoteStoragePoolGetAutostart (virStoragePoolPtr pool, int *autostart)
-{
-    int rv = -1;
-    remote_storage_pool_get_autostart_args args;
-    remote_storage_pool_get_autostart_ret ret;
-    struct private_data *priv = pool->conn->storagePrivateData;
-
-    remoteDriverLock(priv);
-
-    make_nonnull_storage_pool (&args.pool, pool);
-
-    memset (&ret, 0, sizeof ret);
-    if (call (pool->conn, priv, 0, REMOTE_PROC_STORAGE_POOL_GET_AUTOSTART,
-              (xdrproc_t) xdr_remote_storage_pool_get_autostart_args, (char *) &args,
-              (xdrproc_t) xdr_remote_storage_pool_get_autostart_ret, (char *) &ret) == -1)
-        goto done;
-
-    if (autostart) *autostart = ret.autostart;
-
-    rv = 0;
-
-done:
-    remoteDriverUnlock(priv);
-    return rv;
-}
-
-
-static int
 remoteStoragePoolListVolumes (virStoragePoolPtr pool, char **const names, int maxnames)
 {
     int rv = -1;
-- 
1.7.0.4


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