[libvirt] [PATCH 2/7] list: Implement RPC calls for virConnectListAllNetworks
Laine Stump
laine at laine.org
Mon Sep 10 15:38:37 UTC 2012
On 09/04/2012 11:55 AM, Osier Yang wrote:
> The RPC generator doesn't support returning list of object, this patch
> do the work manually.
>
> * daemon/remote.c:
> Implemente the server side handler remoteDispatchConnectListAllNetworks.
>
> * src/remote/remote_driver.c:
> Add remote driver handler remoteConnectListAllNetworks.
>
> * src/remote/remote_protocol.x:
> New RPC procedure REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS and
> structs to represent the args and ret for it.
>
> * src/remote_protocol-structs: Likewise.
> ---
> daemon/remote.c | 55 ++++++++++++++++++++++++++++++++++++
> src/remote/remote_driver.c | 64 ++++++++++++++++++++++++++++++++++++++++++
> src/remote/remote_protocol.x | 13 ++++++++-
> src/remote_protocol-structs | 12 ++++++++
> 4 files changed, 143 insertions(+), 1 deletions(-)
>
> diff --git a/daemon/remote.c b/daemon/remote.c
> index 8208c71..dba51a7 100644
> --- a/daemon/remote.c
> +++ b/daemon/remote.c
> @@ -4211,6 +4211,61 @@ cleanup:
> return rv;
> }
>
> +static int
> +remoteDispatchConnectListAllNetworks(virNetServerPtr server ATTRIBUTE_UNUSED,
> + virNetServerClientPtr client,
> + virNetMessagePtr msg ATTRIBUTE_UNUSED,
> + virNetMessageErrorPtr rerr,
> + remote_connect_list_all_networks_args *args,
> + remote_connect_list_all_networks_ret *ret)
> +{
> + virNetworkPtr *nets = NULL;
> + int nnets = 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 ((nnets = virConnectListAllNetworks(priv->conn,
> + args->need_results ? &nets : NULL,
> + args->flags)) < 0)
> + goto cleanup;
> +
> + if (nets && nnets) {
> + if (VIR_ALLOC_N(ret->nets.nets_val, nnets) < 0) {
> + virReportOOMError();
> + goto cleanup;
> + }
> +
> + ret->nets.nets_len = nnets;
> +
> + for (i = 0; i < nnets; i++)
> + make_nonnull_network(ret->nets.nets_val + i, nets[i]);
> + } else {
> + ret->nets.nets_len = 0;
> + ret->nets.nets_val = NULL;
> + }
> +
> + ret->ret = nnets;
> +
> + rv = 0;
> +
> +cleanup:
> + if (rv < 0)
> + virNetMessageSaveError(rerr);
> + if (nets) {
> + for (i = 0; i < nnets; i++)
> + virNetworkFree(nets[i]);
> + VIR_FREE(nets);
> + }
> + 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 8d4420e..56e50a6 100644
> --- a/src/remote/remote_driver.c
> +++ b/src/remote/remote_driver.c
> @@ -2718,6 +2718,69 @@ done:
> return rv;
> }
>
> +static int
> +remoteConnectListAllNetworks(virConnectPtr conn,
> + virNetworkPtr **nets,
> + unsigned int flags)
> +{
> + int rv = -1;
> + int i;
> + virNetworkPtr *tmp_nets = NULL;
> + remote_connect_list_all_networks_args args;
> + remote_connect_list_all_networks_ret ret;
> +
> + struct private_data *priv = conn->privateData;
> +
> + remoteDriverLock(priv);
> +
> + args.need_results = !!nets;
> + args.flags = flags;
> +
> + memset(&ret, 0, sizeof(ret));
> + if (call(conn,
> + priv,
> + 0,
> + REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS,
> + (xdrproc_t) xdr_remote_connect_list_all_networks_args,
> + (char *) &args,
> + (xdrproc_t) xdr_remote_connect_list_all_networks_ret,
> + (char *) &ret) == -1)
> + goto done;
> +
> + if (nets) {
> + if (VIR_ALLOC_N(tmp_nets, ret.nets.nets_len + 1) < 0) {
> + virReportOOMError();
> + goto cleanup;
> + }
> +
> + for (i = 0; i < ret.nets.nets_len; i++) {
> + tmp_nets[i] = get_nonnull_network (conn, ret.nets.nets_val[i]);
> + if (!tmp_nets[i]) {
> + virReportOOMError();
> + goto cleanup;
> + }
> + }
> + *nets = tmp_nets;
> + tmp_nets = NULL;
> + }
> +
> + rv = ret.ret;
> +
> +cleanup:
> + if (tmp_nets) {
> + for (i = 0; i < ret.nets.nets_len; i++)
> + if (tmp_nets[i])
> + virNetworkFree(tmp_nets[i]);
> + VIR_FREE(tmp_nets);
> + }
> +
> + xdr_free((xdrproc_t) xdr_remote_connect_list_all_networks_ret, (char *) &ret);
> +
> +done:
> + remoteDriverUnlock(priv);
> + return rv;
> +}
> +
>
> /*----------------------------------------------------------------------*/
>
> @@ -5696,6 +5759,7 @@ static virNetworkDriver network_driver = {
> .listNetworks = remoteListNetworks, /* 0.3.0 */
> .numOfDefinedNetworks = remoteNumOfDefinedNetworks, /* 0.3.0 */
> .listDefinedNetworks = remoteListDefinedNetworks, /* 0.3.0 */
> + .listAllNetworks = remoteConnectListAllNetworks, /* 0.10.0 */
0.10.2
> .networkLookupByUUID = remoteNetworkLookupByUUID, /* 0.3.0 */
> .networkLookupByName = remoteNetworkLookupByName, /* 0.3.0 */
> .networkCreateXML = remoteNetworkCreateXML, /* 0.3.0 */
> diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
> index e540167..12ecfd7 100644
> --- a/src/remote/remote_protocol.x
> +++ b/src/remote/remote_protocol.x
> @@ -2579,6 +2579,16 @@ struct remote_storage_pool_list_all_volumes_ret {
> unsigned int ret;
> };
>
> +struct remote_connect_list_all_networks_args {
> + int need_results;
> + unsigned int flags;
> +};
> +
> +struct remote_connect_list_all_networks_ret {
> + remote_nonnull_network nets<>;
> + unsigned int ret;
> +};
> +
> /*----- Protocol. -----*/
>
> /* Define the program number, protocol version and procedure numbers here. */
> @@ -2911,7 +2921,8 @@ enum remote_procedure {
> REMOTE_PROC_DOMAIN_GET_EMULATOR_PIN_INFO = 280, /* skipgen skipgen */
>
> REMOTE_PROC_CONNECT_LIST_ALL_STORAGE_POOLS = 281, /* skipgen skipgen priority:high */
> - REMOTE_PROC_STORAGE_POOL_LIST_ALL_VOLUMES = 282 /* skipgen skipgen priority:high */
> + REMOTE_PROC_STORAGE_POOL_LIST_ALL_VOLUMES = 282, /* skipgen skipgen priority:high */
> + REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS = 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 f105a38..45262f8 100644
> --- a/src/remote_protocol-structs
> +++ b/src/remote_protocol-structs
> @@ -2034,6 +2034,17 @@ struct remote_storage_pool_list_all_volumes_ret {
> } vols;
> u_int ret;
> };
> +struct remote_list_all_networks_args {
> + int need_results;
> + u_int flags;
> +};
> +struct remote_list_all_networks_ret {
> + struct {
> + u_int nets_len;
> + remote_nonnull_network * nets_val;
> + } nets;
> + u_int ret;
> +};
> enum remote_procedure {
> REMOTE_PROC_OPEN = 1,
> REMOTE_PROC_CLOSE = 2,
> @@ -2317,4 +2328,5 @@ enum remote_procedure {
> REMOTE_PROC_DOMAIN_GET_EMULATOR_PIN_INFO = 280,
> REMOTE_PROC_CONNECT_LIST_ALL_STORAGE_POOLS = 281,
> REMOTE_PROC_STORAGE_POOL_LIST_ALL_VOLUMES = 282,
> + REMOTE_PROC_CONNECT_LIST_ALL_NETWORKS = 283,
> };
ACK aside from the one small version number change.
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