[libvirt] [PATCH 40/48] list: Implement RPC calls for virConnectListAllNWFilters

Osier Yang jyang at redhat.com
Fri Aug 3 15:48:43 UTC 2012


The RPC generator doesn't support returning list of object yet, this patch
do the work manually.

  * daemon/remote.c:
    Implemente the server side handler remoteDispatchConnectListAllNWFilters.

  * src/remote/remote_driver.c:
    Add remote driver handler remoteConnectListAllNWFilters.

  * src/remote/remote_protocol.x:
    New RPC procedure REMOTE_PROC_CONNECT_LIST_ALL_NWFILTERS and
    structs to represent the args and ret for it.

  * src/remote_protocol-structs: Likewise.
---
 daemon/remote.c              |   54 ++++++++++++++++++++++++++++++++++++
 src/remote/remote_driver.c   |   63 ++++++++++++++++++++++++++++++++++++++++++
 src/remote/remote_protocol.x |   13 ++++++++-
 src/remote_protocol-structs  |   12 ++++++++
 4 files changed, 141 insertions(+), 1 deletions(-)

diff --git a/daemon/remote.c b/daemon/remote.c
index 1e4dbd2..6f46ae7 100644
--- a/daemon/remote.c
+++ b/daemon/remote.c
@@ -4222,6 +4222,60 @@ cleanup:
     return rv;
 }
 
+static int
+remoteDispatchConnectListAllNWFilters(virNetServerPtr server ATTRIBUTE_UNUSED,
+                                      virNetServerClientPtr client,
+                                      virNetMessagePtr msg ATTRIBUTE_UNUSED,
+                                      virNetMessageErrorPtr rerr,
+                                      remote_connect_list_all_nwfilters_args *args,
+                                      remote_connect_list_all_nwfilters_ret *ret)
+{
+    virNWFilterPtr *filters = NULL;
+    int nfilters = 0;
+    int i;
+    int rv = -1;
+    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
+
+    if (!priv->conn) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
+        goto cleanup;
+    }
+
+    if ((nfilters = virConnectListAllNWFilters(priv->conn,
+                                               args->need_results ? &filters : NULL,
+                                               args->flags)) < 0)
+        goto cleanup;
+
+    if (filters && nfilters) {
+        if (VIR_ALLOC_N(ret->filters.filters_val, nfilters) < 0) {
+            virReportOOMError();
+            goto cleanup;
+        }
+
+        ret->filters.filters_len = nfilters;
+
+        for (i = 0; i < nfilters; i++)
+            make_nonnull_nwfilter(ret->filters.filters_val + i, filters[i]);
+    } else {
+        ret->filters.filters_len = 0;
+        ret->filters.filters_val = NULL;
+    }
+
+    ret->ret = nfilters;
+
+    rv = 0;
+
+cleanup:
+    if (rv < 0)
+        virNetMessageSaveError(rerr);
+    if (filters) {
+        for (i = 0; i < nfilters; i++)
+            virNWFilterFree(filters[i]);
+        VIR_FREE(filters);
+    }
+    return rv;
+}
+
 /*----- Helpers. -----*/
 
 /* get_nonnull_domain and get_nonnull_network turn an on-wire
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 0e15153..950c582 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -2987,6 +2987,68 @@ done:
     return rv;
 }
 
+static int
+remoteConnectListAllNWFilters(virConnectPtr conn,
+                              virNWFilterPtr **filters,
+                              unsigned int flags)
+{
+    int rv = -1;
+    int i;
+    virNWFilterPtr *tmp_filters = NULL;
+    remote_connect_list_all_nwfilters_args args;
+    remote_connect_list_all_nwfilters_ret ret;
+
+    struct private_data *priv = conn->privateData;
+
+    remoteDriverLock(priv);
+
+    args.need_results = !!filters;
+    args.flags = flags;
+
+    memset(&ret, 0, sizeof(ret));
+    if (call(conn,
+             priv,
+             0,
+             REMOTE_PROC_CONNECT_LIST_ALL_NWFILTERS,
+             (xdrproc_t) xdr_remote_connect_list_all_nwfilters_args,
+             (char *) &args,
+             (xdrproc_t) xdr_remote_connect_list_all_nwfilters_ret,
+             (char *) &ret) == -1)
+        goto done;
+
+    if (filters) {
+        if (VIR_ALLOC_N(tmp_filters, ret.filters.filters_len + 1) < 0) {
+            virReportOOMError();
+            goto cleanup;
+        }
+
+        for (i = 0; i < ret.filters.filters_len; i++) {
+            tmp_filters[i] = get_nonnull_nwfilter (conn, ret.filters.filters_val[i]);
+            if (!tmp_filters[i]) {
+                virReportOOMError();
+                goto cleanup;
+            }
+        }
+        *filters = tmp_filters;
+        tmp_filters = NULL;
+    }
+
+    rv = ret.ret;
+
+cleanup:
+    if (tmp_filters) {
+        for (i = 0; i < ret.filters.filters_len; i++)
+            if (tmp_filters[i])
+                virNWFilterFree(tmp_filters[i]);
+        VIR_FREE(tmp_filters);
+    }
+
+    xdr_free((xdrproc_t) xdr_remote_connect_list_all_nwfilters_ret, (char *) &ret);
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
 
 /*----------------------------------------------------------------------*/
 
@@ -5821,6 +5883,7 @@ static virNWFilterDriver nwfilter_driver = {
     .undefine             = remoteNWFilterUndefine, /* 0.8.0 */
     .numOfNWFilters       = remoteNumOfNWFilters, /* 0.8.0 */
     .listNWFilters        = remoteListNWFilters, /* 0.8.0 */
+    .listAllNWFilters     = remoteConnectListAllNWFilters, /* 0.10.0 */
 };
 
 
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 4a7116c..990e272 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -2578,6 +2578,16 @@ struct remote_connect_list_all_node_devices_ret {
     unsigned int ret;
 };
 
+struct remote_connect_list_all_nwfilters_args {
+    int need_results;
+    unsigned int flags;
+};
+
+struct remote_connect_list_all_nwfilters_ret {
+    remote_nonnull_nwfilter filters<>;
+    unsigned int ret;
+};
+
 /*----- Protocol. -----*/
 
 /* Define the program number, protocol version and procedure numbers here. */
@@ -2910,7 +2920,8 @@ enum remote_procedure {
     REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS = 280, /* skipgen skipgen priority:high */
 
     REMOTE_PROC_CONNECT_LIST_ALL_INTERFACES = 281, /* skipgen skipgen priority:high */
-    REMOTE_PROC_CONNECT_LIST_ALL_NODE_DEVICES = 282 /* skipgen skipgen priority:high */
+    REMOTE_PROC_CONNECT_LIST_ALL_NODE_DEVICES = 282, /* skipgen skipgen priority:high */
+    REMOTE_PROC_CONNECT_LIST_ALL_NWFILTERS = 283 /* skipgen skipgen priority:high */
 
     /*
      * Notice how the entries are grouped in sets of 10 ?
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index aae8652..34cc5ba 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -2037,6 +2037,17 @@ struct remote_connect_list_all_node_devices_ret {
         } devices;
         u_int                      ret;
 };
+struct remote_connect_list_all_nwfilters_args {
+        int                        need_results;
+        u_int                      flags;
+};
+struct remote_connect_list_all_nwfilters_ret {
+        struct {
+                u_int              filters_len;
+                remote_nonnull_nwfilter * filters_val;
+        } filters;
+        u_int                      ret;
+};
 enum remote_procedure {
         REMOTE_PROC_OPEN = 1,
         REMOTE_PROC_CLOSE = 2,
@@ -2320,4 +2331,5 @@ enum remote_procedure {
         REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS = 280,
         REMOTE_PROC_CONNECT_LIST_ALL_INTERFACES = 281,
         REMOTE_PROC_CONNECT_LIST_ALL_NODE_DEVICES = 282,
+        REMOTE_PROC_CONNECT_LIST_ALL_NWFILTERS = 283,
 };
-- 
1.7.7.3




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