Mon Jun 11 12:49:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>

	* qemud/Makefile.am, qemud/dispatch.c, qemud/dispatch.h,
	  qemud/internal.h, qemud/protocol.c,
	  qemud/protocol.h, qemud/protocol.x, qemud/qemud.c:
	  libvirt_qemud server-side modifications to use
	  XDR-based protocol instead of homebrew (Dan Berrange).
	  QEMUD server modified to dispatch calls from remote
	  clients (Richard Jones).  Added TLS support (Richard Jones).
	  Added TCP & IPv6 support (Richard Jones).
	  Additional configuration file, command-line handling, and
	  usage (Richard Jones).
	* qemud/conf.c: Remove unnecessary header file.

ChangeLog

+Mon Jun 11 12:49:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>
+
+	* qemud/Makefile.am, qemud/dispatch.c, qemud/dispatch.h,
+	  qemud/internal.h, qemud/protocol.c,
+	  qemud/protocol.h, qemud/protocol.x, qemud/qemud.c:
+	  libvirt_qemud server-side modifications to use
+	  XDR-based protocol instead of homebrew (Dan Berrange).
+	  QEMUD server modified to dispatch calls from remote
+	  clients (Richard Jones).  Added TLS support (Richard Jones).
+	  Added TCP & IPv6 support (Richard Jones).
+	  Additional configuration file, command-line handling, and
+	  usage (Richard Jones).
+	* qemud/conf.c: Remove unnecessary header file.
+
 Mon Jun 11 12:48:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>
 
 	* src/qemu_internal.c: QEMU client-side modifications to

qemud/Makefile.am

@@ -5,23 +5,28 @@ UUID=$(shell uuidgen)
 
 sbin_PROGRAMS = libvirt_qemud
 
-libvirt_qemud_SOURCES = qemud.c internal.h protocol.h \
+libvirt_qemud_SOURCES = \
+		qemud.c internal.h \
                 driver.c driver.h \
                 dispatch.c dispatch.h \
                 conf.c conf.h \
                 bridge.c bridge.h \
                 iptables.c iptables.h \
                 uuid.c uuid.h \
-		buf.c buf.h
+		buf.c buf.h \
+		protocol.h protocol.c \
+		remote_protocol.h remote_protocol.c \
+		remote.c
 #-D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_POSIX_C_SOURCE=199506L
 libvirt_qemud_CFLAGS = \
         -I$(top_srcdir)/include -I$(top_builddir)/include $(LIBXML_CFLAGS) \
         $(WARN_CFLAGS) -DLOCAL_STATE_DIR="\"$(localstatedir)\"" \
         -DSYSCONF_DIR="\"$(sysconfdir)\"" \
-	-DQEMUD_PID_FILE="\"$(QEMUD_PID_FILE)\""
+	-DQEMUD_PID_FILE="\"$(QEMUD_PID_FILE)\"" \
+	-DREMOTE_PID_FILE="\"$(REMOTE_PID_FILE)\""
 libvirt_qemud_LDFLAGS = $(WARN_CFLAGS) $(LIBXML_LIBS) $(SYSFS_LIBS)
-libvirt_qemud_DEPENDENCIES =
-libvirt_qemud_LDADD =
+libvirt_qemud_DEPENDENCIES = ../src/libvirt.la
+libvirt_qemud_LDADD = ../src/libvirt.la
 
 install-data-local:
 	mkdir -p $(DESTDIR)$(sysconfdir)/libvirt/qemu/networks/autostart
@@ -41,7 +46,41 @@ uninstall-local:
 	rmdir $(DESTDIR)$(localstatedir)/run/libvirt || :
 	rmdir $(DESTDIR)$(localstatedir)/lib/libvirt || :
 
-EXTRA_DIST = libvirtd.in default-network.xml
+# Distribute the generated files so that rpcgen isn't required on the
+# target machine (although almost any Unix machine will have it).
+EXTRA_DIST = libvirtd.in default-network.xml \
+	protocol.x remote_protocol.x \
+	protocol.c protocol.h \
+	remote_protocol.c remote_protocol.h \
+	remote_dispatch_prototypes.h \
+	remote_dispatch_localvars.h \
+	remote_dispatch_proc_switch.h
+
+.x.c:
+	rm -f $@
+	rpcgen -c -o $@ $<
+	mv $@ $@.bak
+	perl -w rpcgen_fix.pl < $@.bak > $@
+
+.x.h:
+	rm -f $@
+	rpcgen -h -o $@ $<
+
+protocol.c: protocol.h
+remote_protocol.c: remote_protocol.h
+
+remote.c: remote_dispatch_prototypes.h \
+	  remote_dispatch_localvars.h \
+	  remote_dispatch_proc_switch.h
+
+remote_dispatch_prototypes.h: remote_generate_stubs.pl remote_protocol.x
+	perl -w remote_generate_stubs.pl -i remote_protocol.x > $@
+
+remote_dispatch_localvars.h: remote_generate_stubs.pl remote_protocol.x
+	perl -w remote_generate_stubs.pl -v remote_protocol.x > $@
+
+remote_dispatch_proc_switch.h: remote_generate_stubs.pl remote_protocol.x
+	perl -w remote_generate_stubs.pl -w remote_protocol.x > $@
 
 if LIBVIRT_INIT_SCRIPTS_RED_HAT
 initdir = $(sysconfdir)/rc.d/init.d

qemud/conf.c

@@ -42,7 +42,6 @@
 
 #include <libvirt/virterror.h>
 
-#include "protocol.h"
 #include "internal.h"
 #include "conf.h"
 #include "driver.h"

qemud/dispatch.h

@@ -29,7 +29,7 @@
 
 
 int qemudDispatch(struct qemud_server *server, struct qemud_client *client,
-                  struct qemud_packet *in, struct qemud_packet *out);
+                  struct qemud_packet_client_data *in, struct qemud_packet_server_data *out);
 
 #endif
 

qemud/internal.h

@@ -27,8 +27,11 @@
 
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
 
 #include "protocol.h"
+#include "remote_protocol.h"
 #include "bridge.h"
 #include "iptables.h"
 
@@ -58,15 +61,6 @@ typedef enum {
 #endif
 } qemudLogPriority;
 
-typedef enum {
-    QEMUD_DIR_CONFIG = 0,
-    QEMUD_DIR_AUTOSTART,
-    QEMUD_DIR_NETWORK_CONFIG,
-    QEMUD_DIR_NETWORK_AUTOSTART,
-
-    QEMUD_N_CONFIG_DIRS
-} qemudConfigDirType;
-
 /* Different types of QEMU acceleration possible */
 enum qemud_vm_virt_type {
     QEMUD_VIRT_QEMU,
@@ -277,22 +271,61 @@ struct qemud_network {
     struct qemud_network *next;
 };
 
+
+enum qemud_mode {
+    QEMUD_MODE_RX_HEADER,
+    QEMUD_MODE_RX_PAYLOAD,
+    QEMUD_MODE_TX_PACKET,
+    QEMUD_MODE_TLS_HANDSHAKE,
+};
+
+/* These have to remain compatible with gnutls_record_get_direction. */
+enum qemud_tls_direction {
+    QEMUD_TLS_DIRECTION_READ = 0,
+    QEMUD_TLS_DIRECTION_WRITE = 1,
+};
+
 /* Stores the per-client connection state */
 struct qemud_client {
+    int magic;
+
     int fd;
     int readonly;
-    struct qemud_packet incoming;
-    unsigned int incomingReceived;
-    struct qemud_packet outgoing;
-    unsigned int outgoingSent;
-    int tx;
+    enum qemud_mode mode;
+
+    struct sockaddr_storage addr;
+    socklen_t addrlen;
+
+    /* If set, TLS is required on this socket. */
+    int tls;
+    gnutls_session_t session;
+    enum qemud_tls_direction direction;
+
+    unsigned int incomingSerial;
+    unsigned int outgoingSerial;
+
+    char buffer [REMOTE_MESSAGE_MAX];
+    unsigned int bufferLength;
+    unsigned int bufferOffset;
+
+    /* This is only valid if a remote open call has been made on this
+     * connection, otherwise it will be NULL.  Also if remote close is
+     * called, it will be set back to NULL if that succeeds.
+     */
+    virConnectPtr conn;
+
     struct qemud_client *next;
 };
 
+#define QEMUD_CLIENT_MAGIC 0x7788aaee
+
 
 struct qemud_socket {
     int fd;
     int readonly;
+    /* If set, TLS is required on this socket. */
+    int tls;
+
     struct qemud_socket *next;
 };
 
@@ -315,7 +348,6 @@ struct qemud_server {
     struct qemud_network *networks;
     brControl *brctl;
     iptablesContext *iptables;
-    char configDirs[QEMUD_N_CONFIG_DIRS][PATH_MAX];
     char *configDir;
     char *autostartDir;
     char *networkConfigDir;
@@ -347,6 +379,9 @@ void qemudLog(int priority, const char *fmt, ...)
 #define qemudDebug(fmt, ...) do {} while(0)
 #endif
 
+void remoteDispatchClientRequest (struct qemud_server *server,
+                                  struct qemud_client *client);
+
 static inline int
 qemudIsActiveVM(struct qemud_vm *vm)
 {

qemud/protocol.x

+/* -*- c -*-
+ * protocol_xdr.x: wire protocol message format & data structures
+ *
+ * Copyright (C) 2006, 2007 Red Hat, Inc.
+ * Copyright (C) 2006 Daniel P. Berrange
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+ *
+ * Author: Daniel P. Berrange <berrange@redhat.com>
+ */
+
+const QEMUD_UUID_RAW_LEN = 16;
+const QEMUD_MAX_NAME_LEN = 50;
+const QEMUD_MAX_XML_LEN = 4096;
+/*#define QEMUD_MAX_IFNAME_LEN IF_NAMESIZE */
+const QEMUD_MAX_IFNAME_LEN = 50;
+
+const QEMUD_MAX_NUM_DOMAINS = 100;
+const QEMUD_MAX_NUM_NETWORKS = 100;
+
+/*
+ * Damn, we can't do multiplcation when declaring
+ * constants with XDR !
+ * These two should be  QEMUD_MAX_NUM_DOMAIN * QEMUD_MAX_NAME_LEN
+ */
+const QEMUD_MAX_DOMAINS_NAME_BUF = 5000;
+const QEMUD_MAX_NETWORKS_NAME_BUF = 5000;
+
+const QEMUD_MAX_ERROR_LEN = 1024;
+
+/* Possible guest VM states */
+enum qemud_domain_runstate {
+    QEMUD_STATE_RUNNING = 1,
+    QEMUD_STATE_PAUSED,
+    QEMUD_STATE_STOPPED
+};
+
+/* Message sent by a client */
+enum qemud_packet_client_data_type {
+    QEMUD_CLIENT_PKT_GET_VERSION,
+    QEMUD_CLIENT_PKT_GET_NODEINFO,
+    QEMUD_CLIENT_PKT_LIST_DOMAINS,
+    QEMUD_CLIENT_PKT_NUM_DOMAINS,
+    QEMUD_CLIENT_PKT_DOMAIN_CREATE,
+    QEMUD_CLIENT_PKT_DOMAIN_LOOKUP_BY_ID,
+    QEMUD_CLIENT_PKT_DOMAIN_LOOKUP_BY_UUID,
+    QEMUD_CLIENT_PKT_DOMAIN_LOOKUP_BY_NAME,
+    QEMUD_CLIENT_PKT_DOMAIN_SUSPEND,
+    QEMUD_CLIENT_PKT_DOMAIN_RESUME,
+    QEMUD_CLIENT_PKT_DOMAIN_DESTROY,
+    QEMUD_CLIENT_PKT_DOMAIN_GET_INFO,
+    QEMUD_CLIENT_PKT_DOMAIN_SAVE,
+    QEMUD_CLIENT_PKT_DOMAIN_RESTORE,
+    QEMUD_CLIENT_PKT_DUMP_XML,
+    QEMUD_CLIENT_PKT_LIST_DEFINED_DOMAINS,
+    QEMUD_CLIENT_PKT_NUM_DEFINED_DOMAINS,
+    QEMUD_CLIENT_PKT_DOMAIN_START,
+    QEMUD_CLIENT_PKT_DOMAIN_DEFINE,
+    QEMUD_CLIENT_PKT_DOMAIN_UNDEFINE,
+    QEMUD_CLIENT_PKT_NUM_NETWORKS,
+    QEMUD_CLIENT_PKT_LIST_NETWORKS,
+    QEMUD_CLIENT_PKT_NUM_DEFINED_NETWORKS,
+    QEMUD_CLIENT_PKT_LIST_DEFINED_NETWORKS,
+    QEMUD_CLIENT_PKT_NETWORK_LOOKUP_BY_UUID,
+    QEMUD_CLIENT_PKT_NETWORK_LOOKUP_BY_NAME,
+    QEMUD_CLIENT_PKT_NETWORK_CREATE,
+    QEMUD_CLIENT_PKT_NETWORK_DEFINE,
+    QEMUD_CLIENT_PKT_NETWORK_UNDEFINE,
+    QEMUD_CLIENT_PKT_NETWORK_START,
+    QEMUD_CLIENT_PKT_NETWORK_DESTROY,
+    QEMUD_CLIENT_PKT_NETWORK_DUMP_XML,
+    QEMUD_CLIENT_PKT_NETWORK_GET_BRIDGE_NAME,
+    QEMUD_CLIENT_PKT_DOMAIN_GET_AUTOSTART,
+    QEMUD_CLIENT_PKT_DOMAIN_SET_AUTOSTART,
+    QEMUD_CLIENT_PKT_NETWORK_GET_AUTOSTART,
+    QEMUD_CLIENT_PKT_NETWORK_SET_AUTOSTART,
+    QEMUD_CLIENT_PKT_GET_CAPABILITIES,
+
+    QEMUD_CLIENT_PKT_MAX
+};
+
+/* Messages sent by a server */
+enum qemud_packet_server_data_type {
+    QEMUD_SERVER_PKT_FAILURE = 0,
+    QEMUD_SERVER_PKT_GET_VERSION,
+    QEMUD_SERVER_PKT_GET_NODEINFO,
+    QEMUD_SERVER_PKT_LIST_DOMAINS,
+    QEMUD_SERVER_PKT_NUM_DOMAINS,
+    QEMUD_SERVER_PKT_DOMAIN_CREATE,
+    QEMUD_SERVER_PKT_DOMAIN_LOOKUP_BY_ID,
+    QEMUD_SERVER_PKT_DOMAIN_LOOKUP_BY_UUID,
+    QEMUD_SERVER_PKT_DOMAIN_LOOKUP_BY_NAME,
+    QEMUD_SERVER_PKT_DOMAIN_SUSPEND,
+    QEMUD_SERVER_PKT_DOMAIN_RESUME,
+    QEMUD_SERVER_PKT_DOMAIN_DESTROY,
+    QEMUD_SERVER_PKT_DOMAIN_GET_INFO,
+    QEMUD_SERVER_PKT_DOMAIN_SAVE,
+    QEMUD_SERVER_PKT_DOMAIN_RESTORE,
+    QEMUD_SERVER_PKT_DUMP_XML,
+    QEMUD_SERVER_PKT_LIST_DEFINED_DOMAINS,
+    QEMUD_SERVER_PKT_NUM_DEFINED_DOMAINS,
+    QEMUD_SERVER_PKT_DOMAIN_START,
+    QEMUD_SERVER_PKT_DOMAIN_DEFINE,
+    QEMUD_SERVER_PKT_DOMAIN_UNDEFINE,
+    QEMUD_SERVER_PKT_NUM_NETWORKS,
+    QEMUD_SERVER_PKT_LIST_NETWORKS,
+    QEMUD_SERVER_PKT_NUM_DEFINED_NETWORKS,
+    QEMUD_SERVER_PKT_LIST_DEFINED_NETWORKS,
+    QEMUD_SERVER_PKT_NETWORK_LOOKUP_BY_UUID,
+    QEMUD_SERVER_PKT_NETWORK_LOOKUP_BY_NAME,
+    QEMUD_SERVER_PKT_NETWORK_CREATE,
+    QEMUD_SERVER_PKT_NETWORK_DEFINE,
+    QEMUD_SERVER_PKT_NETWORK_UNDEFINE,
+    QEMUD_SERVER_PKT_NETWORK_START,
+    QEMUD_SERVER_PKT_NETWORK_DESTROY,
+    QEMUD_SERVER_PKT_NETWORK_DUMP_XML,
+    QEMUD_SERVER_PKT_NETWORK_GET_BRIDGE_NAME,
+    QEMUD_SERVER_PKT_DOMAIN_GET_AUTOSTART,
+    QEMUD_SERVER_PKT_DOMAIN_SET_AUTOSTART,
+    QEMUD_SERVER_PKT_NETWORK_GET_AUTOSTART,
+    QEMUD_SERVER_PKT_NETWORK_SET_AUTOSTART,
+    QEMUD_SERVER_PKT_GET_CAPABILITIES,
+
+    QEMUD_SERVER_PKT_MAX
+};
+
+
+
+struct qemud_packet_failure_reply {
+  uint32_t code;
+  char message[QEMUD_MAX_ERROR_LEN];
+};
+
+struct qemud_packet_get_version_reply {
+  uint32_t versionNum;
+};
+
+struct qemud_packet_get_node_info_reply {
+  char model[32];
+  uint32_t memory;
+  uint32_t cpus;
+  uint32_t mhz;
+  uint32_t nodes;
+  uint32_t sockets;
+  uint32_t cores;
+  uint32_t threads;
+};
+
+struct qemud_packet_get_capabilities_reply {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+
+struct qemud_packet_list_domains_reply {
+  int32_t numDomains;
+  int32_t domains[QEMUD_MAX_NUM_DOMAINS];
+};
+
+struct qemud_packet_num_domains_reply{
+  int32_t numDomains;
+};
+
+struct qemud_packet_domain_create_request {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+struct qemud_packet_domain_create_reply {
+  int32_t id;
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_domain_lookup_by_id_request {
+  int32_t id;
+};
+
+struct qemud_packet_domain_lookup_by_id_reply {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  char name[QEMUD_MAX_NAME_LEN];
+};
+
+struct qemud_packet_domain_lookup_by_name_request {
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_domain_lookup_by_name_reply {
+  int32_t id;
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_domain_lookup_by_uuid_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+
+struct qemud_packet_domain_lookup_by_uuid_reply {
+  int32_t id;
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_domain_suspend_request {
+  int32_t id;
+};
+struct qemud_packet_domain_resume_request {
+  int32_t id;
+};
+struct qemud_packet_domain_destroy_request {
+  int32_t id;
+};
+struct qemud_packet_domain_get_info_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_domain_get_info_reply {
+  uint64_t cpuTime;
+  uint32_t runstate;
+  uint32_t memory;
+  uint32_t maxmem;
+  uint32_t nrVirtCpu;
+};
+struct qemud_packet_domain_save_request {
+  int32_t id;
+  char file[PATH_MAX];
+};
+struct qemud_packet_domain_restore_request {
+  char file[PATH_MAX];
+};
+struct qemud_packet_domain_restore_reply {
+  int32_t id;
+};
+struct qemud_packet_domain_dump_xml_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_domain_dump_xml_reply {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+struct qemud_packet_list_defined_domains_reply{
+  uint32_t numDomains;
+  char domains[QEMUD_MAX_DOMAINS_NAME_BUF];
+};
+struct qemud_packet_num_defined_domains_reply{
+  uint32_t numDomains;
+};
+struct qemud_packet_domain_start_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_domain_start_reply {
+  int32_t id;
+};
+struct qemud_packet_domain_define_request {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+struct qemud_packet_domain_define_reply {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_domain_undefine_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_num_networks_reply {
+  uint32_t numNetworks;
+};
+
+struct qemud_packet_list_networks_reply {
+  uint32_t numNetworks;
+  char networks[QEMUD_MAX_NETWORKS_NAME_BUF];
+};
+
+struct qemud_packet_num_defined_networks_reply {
+  uint32_t numNetworks;
+};
+
+struct qemud_packet_list_defined_networks_reply {
+  uint32_t numNetworks;
+  char networks[QEMUD_MAX_NETWORKS_NAME_BUF];
+};
+struct qemud_packet_network_lookup_by_name_request {
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_network_lookup_by_name_reply {
+  int32_t id;
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_lookup_by_uuid_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_lookup_by_uuid_reply {
+  int32_t id;
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_network_create_request {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+struct qemud_packet_network_create_reply {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_network_define_request {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+struct qemud_packet_network_define_reply {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  char name[QEMUD_MAX_NAME_LEN];
+};
+struct qemud_packet_network_undefine_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_start_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_destroy_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_dump_xml_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_dump_xml_reply {
+  char xml[QEMUD_MAX_XML_LEN];
+};
+struct qemud_packet_network_get_bridge_name_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_get_bridge_name_reply {
+  char ifname[QEMUD_MAX_IFNAME_LEN];
+};
+struct qemud_packet_domain_get_autostart_request{
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_domain_get_autostart_reply {
+  uint32_t autostart;
+};
+struct qemud_packet_domain_set_autostart_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  uint32_t autostart;
+};
+
+struct qemud_packet_network_get_autostart_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+};
+struct qemud_packet_network_get_autostart_reply {
+  uint32_t autostart;
+};
+struct qemud_packet_network_set_autostart_request {
+  unsigned char uuid[QEMUD_UUID_RAW_LEN];
+  uint32_t autostart;
+};
+
+union qemud_packet_client_data switch (qemud_packet_client_data_type type) {
+    case QEMUD_CLIENT_PKT_GET_VERSION:
+      void;
+
+    case QEMUD_CLIENT_PKT_GET_NODEINFO:
+      void;
+
+    case QEMUD_CLIENT_PKT_LIST_DOMAINS:
+      void;
+
+    case QEMUD_CLIENT_PKT_NUM_DOMAINS:
+      void;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_CREATE:
+      qemud_packet_domain_create_request domainCreateRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_LOOKUP_BY_ID:
+      qemud_packet_domain_lookup_by_id_request domainLookupByIDRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_LOOKUP_BY_UUID:
+      qemud_packet_domain_lookup_by_uuid_request domainLookupByUUIDRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_LOOKUP_BY_NAME:
+      qemud_packet_domain_lookup_by_name_request domainLookupByNameRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_SUSPEND:
+      qemud_packet_domain_suspend_request domainSuspendRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_RESUME:
+      qemud_packet_domain_resume_request domainResumeRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_DESTROY:
+      qemud_packet_domain_destroy_request domainDestroyRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_GET_INFO:
+      qemud_packet_domain_get_info_request domainGetInfoRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_SAVE:
+      qemud_packet_domain_save_request domainSaveRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_RESTORE:
+      qemud_packet_domain_restore_request domainRestoreRequest;
+
+    case QEMUD_CLIENT_PKT_DUMP_XML:
+      qemud_packet_domain_dump_xml_request domainDumpXMLRequest;
+
+    case QEMUD_CLIENT_PKT_LIST_DEFINED_DOMAINS:
+      void;
+
+    case QEMUD_CLIENT_PKT_NUM_DEFINED_DOMAINS:
+      void;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_START:
+      qemud_packet_domain_start_request domainStartRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_DEFINE:
+      qemud_packet_domain_define_request domainDefineRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_UNDEFINE:
+      qemud_packet_domain_undefine_request domainUndefineRequest;
+
+    case QEMUD_CLIENT_PKT_NUM_NETWORKS:
+      void;
+
+    case QEMUD_CLIENT_PKT_LIST_NETWORKS:
+      void;
+
+    case QEMUD_CLIENT_PKT_NUM_DEFINED_NETWORKS:
+      void;
+
+    case QEMUD_CLIENT_PKT_LIST_DEFINED_NETWORKS:
+      void;
+
+    case QEMUD_CLIENT_PKT_NETWORK_LOOKUP_BY_UUID:
+      qemud_packet_network_lookup_by_uuid_request networkLookupByUUIDRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_LOOKUP_BY_NAME:
+      qemud_packet_network_lookup_by_name_request networkLookupByNameRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_CREATE:
+      qemud_packet_network_create_request networkCreateRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_DEFINE:
+      qemud_packet_network_define_request networkDefineRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_UNDEFINE:
+      qemud_packet_network_undefine_request networkUndefineRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_START:
+      qemud_packet_network_start_request networkStartRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_DESTROY:
+      qemud_packet_network_destroy_request networkDestroyRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_DUMP_XML:
+      qemud_packet_network_dump_xml_request networkDumpXMLRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_GET_BRIDGE_NAME:
+      qemud_packet_network_get_bridge_name_request networkGetBridgeNameRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_GET_AUTOSTART:
+      qemud_packet_domain_get_autostart_request domainGetAutostartRequest;
+
+    case QEMUD_CLIENT_PKT_DOMAIN_SET_AUTOSTART:
+      qemud_packet_domain_set_autostart_request domainSetAutostartRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_GET_AUTOSTART:
+      qemud_packet_network_get_autostart_request networkGetAutostartRequest;
+
+    case QEMUD_CLIENT_PKT_NETWORK_SET_AUTOSTART:
+      qemud_packet_network_set_autostart_request networkSetAutostartRequest;
+
+    case QEMUD_CLIENT_PKT_GET_CAPABILITIES:
+      void;
+
+};
+
+union qemud_packet_server_data switch (qemud_packet_server_data_type type) {
+    case QEMUD_SERVER_PKT_FAILURE:
+      qemud_packet_failure_reply failureReply;
+
+    case QEMUD_SERVER_PKT_GET_VERSION:
+      qemud_packet_get_version_reply getVersionReply;
+
+    case QEMUD_SERVER_PKT_GET_NODEINFO:
+      qemud_packet_get_node_info_reply getNodeInfoReply;
+
+    case QEMUD_SERVER_PKT_LIST_DOMAINS:
+      qemud_packet_list_domains_reply listDomainsReply;
+
+    case QEMUD_SERVER_PKT_NUM_DOMAINS:
+      qemud_packet_num_domains_reply numDomainsReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_CREATE:
+      qemud_packet_domain_create_reply domainCreateReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_LOOKUP_BY_ID:
+      qemud_packet_domain_lookup_by_id_reply domainLookupByIDReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_LOOKUP_BY_UUID:
+      qemud_packet_domain_lookup_by_uuid_reply domainLookupByUUIDReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_LOOKUP_BY_NAME:
+      qemud_packet_domain_lookup_by_name_reply domainLookupByNameReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_SUSPEND:
+      void;
+
+    case QEMUD_SERVER_PKT_DOMAIN_RESUME:
+      void;
+
+    case QEMUD_SERVER_PKT_DOMAIN_DESTROY:
+      void;
+
+    case QEMUD_SERVER_PKT_DOMAIN_GET_INFO:
+      qemud_packet_domain_get_info_reply domainGetInfoReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_SAVE:
+      void;
+
+    case QEMUD_SERVER_PKT_DOMAIN_RESTORE:
+      qemud_packet_domain_restore_reply domainRestoreReply;
+
+    case QEMUD_SERVER_PKT_DUMP_XML:
+      qemud_packet_domain_dump_xml_reply domainDumpXMLReply;
+
+    case QEMUD_SERVER_PKT_LIST_DEFINED_DOMAINS:
+      qemud_packet_list_defined_domains_reply listDefinedDomainsReply;
+
+    case QEMUD_SERVER_PKT_NUM_DEFINED_DOMAINS:
+      qemud_packet_num_defined_domains_reply numDefinedDomainsReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_START:
+      qemud_packet_domain_start_reply domainStartReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_DEFINE:
+      qemud_packet_domain_define_reply domainDefineReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_UNDEFINE:
+      void;
+
+    case QEMUD_SERVER_PKT_NUM_NETWORKS:
+      qemud_packet_num_networks_reply numNetworksReply;
+
+    case QEMUD_SERVER_PKT_LIST_NETWORKS:
+      qemud_packet_list_networks_reply listNetworksReply;
+
+    case QEMUD_SERVER_PKT_NUM_DEFINED_NETWORKS:
+      qemud_packet_num_defined_networks_reply numDefinedNetworksReply;
+
+    case QEMUD_SERVER_PKT_LIST_DEFINED_NETWORKS:
+      qemud_packet_list_defined_networks_reply listDefinedNetworksReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_LOOKUP_BY_UUID:
+      qemud_packet_network_lookup_by_uuid_reply networkLookupByUUIDReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_LOOKUP_BY_NAME:
+      qemud_packet_network_lookup_by_name_reply networkLookupByNameReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_CREATE:
+      qemud_packet_network_create_reply networkCreateReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_DEFINE:
+      qemud_packet_network_define_reply networkDefineReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_UNDEFINE:
+      void;
+
+    case QEMUD_SERVER_PKT_NETWORK_START:
+      void;
+
+    case QEMUD_SERVER_PKT_NETWORK_DESTROY:
+      void;
+
+    case QEMUD_SERVER_PKT_NETWORK_DUMP_XML:
+      qemud_packet_network_dump_xml_reply networkDumpXMLReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_GET_BRIDGE_NAME:
+      qemud_packet_network_get_bridge_name_reply networkGetBridgeNameReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_GET_AUTOSTART:
+      qemud_packet_domain_get_autostart_reply domainGetAutostartReply;
+
+    case QEMUD_SERVER_PKT_DOMAIN_SET_AUTOSTART:
+      void;
+
+    case QEMUD_SERVER_PKT_NETWORK_GET_AUTOSTART:
+      qemud_packet_network_get_autostart_reply networkGetAutostartReply;
+
+    case QEMUD_SERVER_PKT_NETWORK_SET_AUTOSTART:
+      void;
+
+    case QEMUD_SERVER_PKT_GET_CAPABILITIES:
+      qemud_packet_get_capabilities_reply getCapabilitiesReply;
+};
+
+struct qemud_packet_client {
+  uint32_t serial;
+  struct qemud_packet_client_data data;
+};
+
+struct qemud_packet_server {
+  uint32_t serial;
+  uint32_t inReplyTo;
+  struct qemud_packet_server_data data;
+};
+
+/* The first two words in the messages are length and program number
+ * (previously called "magic").  This makes the protocol compatible
+ * with the remote protocol, although beyond the first two words
+ * the protocols are completely different.
+ *
+ * Note the length is the total number of bytes in the message
+ * _including_ the length and program number.
+ */
+
+const QEMUD_PROGRAM = 0x20001A64;
+const QEMUD_PKT_HEADER_XDR_LEN = 8;
+
+struct qemud_packet_header {
+  uint32_t length;
+  uint32_t prog;
+};