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When the client has a connection to one of the hypervisor specific daemons (eg virtqemud), the app may still expect to use the secondary driver APIs (storage, network, etc). None of these will be registered in the hypervisor daemon, so we must explicitly open a connection to each of the daemons for the secondary drivers we need. We don't want to open these secondary driver connections at the same time as the primary connection is opened though. That would mean that establishing a connection to virtqemud would immediately trigger activation of virtnetworkd, virnwfilterd, etc despite that that these drivers may never be used by the app. Thus we only open the secondary driver connections at time of first use by an API call. Reviewed-by: Andrea Bolognani <abologna@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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* remote_daemon.h: daemon data structure definitions
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*
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* Copyright (C) 2006-2018 Red Hat, Inc.
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* Copyright (C) 2006 Daniel P. Berrange
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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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#pragma once
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#define VIR_ENUM_SENTINELS
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include "remote_protocol.h"
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#include "lxc_protocol.h"
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#include "qemu_protocol.h"
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#include "virthread.h"
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#if WITH_SASL
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# include "virnetsaslcontext.h"
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#endif
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#include "virnetserverprogram.h"
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typedef struct daemonClientStream daemonClientStream;
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typedef daemonClientStream *daemonClientStreamPtr;
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typedef struct daemonClientPrivate daemonClientPrivate;
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typedef daemonClientPrivate *daemonClientPrivatePtr;
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typedef struct daemonClientEventCallback daemonClientEventCallback;
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typedef daemonClientEventCallback *daemonClientEventCallbackPtr;
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/* Stores the per-client connection state */
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struct daemonClientPrivate {
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/* Hold while accessing any data except conn */
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virMutex lock;
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daemonClientEventCallbackPtr *domainEventCallbacks;
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size_t ndomainEventCallbacks;
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daemonClientEventCallbackPtr *networkEventCallbacks;
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size_t nnetworkEventCallbacks;
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daemonClientEventCallbackPtr *qemuEventCallbacks;
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size_t nqemuEventCallbacks;
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daemonClientEventCallbackPtr *storageEventCallbacks;
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size_t nstorageEventCallbacks;
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daemonClientEventCallbackPtr *nodeDeviceEventCallbacks;
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size_t nnodeDeviceEventCallbacks;
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daemonClientEventCallbackPtr *secretEventCallbacks;
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size_t nsecretEventCallbacks;
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bool closeRegistered;
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#if WITH_SASL
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virNetSASLSessionPtr sasl;
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#endif
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/* This is only valid if a remote open call has been made on this
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* connection, otherwise it will be NULL. Also if remote close is
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* called, it will be set back to NULL if that succeeds.
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*/
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virConnectPtr conn;
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/* These secondary drivers may point back to 'conn'
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* in the monolithic daemon setups. Otherwise they
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* can be NULL and opened on first use, pointing
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* to remote driver use of an external daemon
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*/
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virConnectPtr interfaceConn;
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const char *interfaceURI;
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virConnectPtr networkConn;
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const char *networkURI;
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virConnectPtr nodedevConn;
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const char *nodedevURI;
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virConnectPtr nwfilterConn;
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const char *nwfilterURI;
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virConnectPtr secretConn;
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const char *secretURI;
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virConnectPtr storageConn;
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const char *storageURI;
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bool readonly;
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daemonClientStreamPtr streams;
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};
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#if WITH_SASL
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extern virNetSASLContextPtr saslCtxt;
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#endif
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extern virNetServerProgramPtr remoteProgram;
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extern virNetServerProgramPtr qemuProgram;
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