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137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
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/*
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* admin_remote.c
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*
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* Copyright (C) 2015 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Erik Skultety <eskultet@redhat.com>
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*/
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#include <config.h>
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#include <rpc/rpc.h>
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#include "admin_protocol.h"
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typedef struct _remoteAdminPriv remoteAdminPriv;
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typedef remoteAdminPriv *remoteAdminPrivPtr;
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struct _remoteAdminPriv {
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virObjectLockable parent;
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int counter;
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virNetClientPtr client;
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virNetClientProgramPtr program;
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};
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static virClassPtr remoteAdminPrivClass;
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static void
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remoteAdminPrivDispose(void *opaque)
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{
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remoteAdminPrivPtr priv = opaque;
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virObjectUnref(priv->program);
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virObjectUnref(priv->client);
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}
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static int
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callFull(virAdmConnectPtr conn ATTRIBUTE_UNUSED,
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remoteAdminPrivPtr priv,
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int *fdin,
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size_t fdinlen,
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int **fdout,
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size_t *fdoutlen,
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int proc_nr,
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xdrproc_t args_filter, char *args,
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xdrproc_t ret_filter, char *ret)
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{
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int rv;
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virNetClientProgramPtr prog = priv->program;
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int counter = priv->counter++;
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virNetClientPtr client = priv->client;
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/* Unlock, so that if we get any async events/stream data
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* while processing the RPC, we don't deadlock when our
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* callbacks for those are invoked
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*/
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virObjectRef(priv);
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virObjectUnlock(priv);
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rv = virNetClientProgramCall(prog,
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client,
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counter,
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proc_nr,
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fdinlen, fdin,
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fdoutlen, fdout,
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args_filter, args,
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ret_filter, ret);
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virObjectLock(priv);
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virObjectUnref(priv);
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return rv;
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}
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static int
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call(virAdmConnectPtr conn,
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unsigned int flags,
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int proc_nr,
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xdrproc_t args_filter, char *args,
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xdrproc_t ret_filter, char *ret)
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{
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virCheckFlags(0, -1);
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return callFull(conn, conn->privateData,
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NULL, 0, NULL, NULL, proc_nr,
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args_filter, args, ret_filter, ret);
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}
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#include "admin_client.h"
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static void
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remoteAdminPrivFree(void *opaque)
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{
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virAdmConnectPtr conn = opaque;
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remoteAdminConnectClose(conn);
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virObjectUnref(conn->privateData);
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}
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static remoteAdminPrivPtr
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remoteAdminPrivNew(const char *sock_path)
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{
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remoteAdminPrivPtr priv = NULL;
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if (!(priv = virObjectLockableNew(remoteAdminPrivClass)))
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goto error;
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if (!(priv->client = virNetClientNewUNIX(sock_path, false, NULL)))
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goto error;
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if (!(priv->program = virNetClientProgramNew(ADMIN_PROGRAM,
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ADMIN_PROTOCOL_VERSION,
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NULL, 0, NULL)))
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goto error;
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if (virNetClientAddProgram(priv->client, priv->program) < 0)
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goto error;
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return priv;
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error:
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virObjectUnref(priv);
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return NULL;
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}
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