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* qemud/internal.h: put the config directory paths in an array in order to make them easier to initialize, but still expose pointers to each of them as members in the server struct. * qemud/qemud.c: cleanup the config directory path initialization.
357 lines
7.8 KiB
C
357 lines
7.8 KiB
C
/*
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* internal.h: daemon data structure definitions
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*
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* Copyright (C) 2006, 2007 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef QEMUD_INTERNAL_H__
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#define QEMUD_INTERNAL_H__
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include "protocol.h"
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#include "bridge.h"
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#include "iptables.h"
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#ifdef __GNUC__
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#ifdef HAVE_ANSIDECL_H
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#include <ansidecl.h>
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#endif
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#ifndef ATTRIBUTE_UNUSED
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#define ATTRIBUTE_UNUSED __attribute__((unused))
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#endif
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#else
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#define ATTRIBUTE_UNUSED
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#endif
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#define UUID_LEN 16
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typedef enum {
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QEMUD_ERR,
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QEMUD_WARN,
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QEMUD_INFO,
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#ifdef ENABLE_DEBUG
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QEMUD_DEBUG
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#endif
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} qemudLogPriority;
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typedef enum {
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QEMUD_DIR_CONFIG = 0,
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QEMUD_DIR_AUTOSTART,
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QEMUD_DIR_NETWORK_CONFIG,
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QEMUD_DIR_NETWORK_AUTOSTART,
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QEMUD_N_CONFIG_DIRS
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} qemudConfigDirType;
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/* Different types of QEMU acceleration possible */
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enum qemud_vm_virt_type {
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QEMUD_VIRT_QEMU,
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QEMUD_VIRT_KQEMU,
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QEMUD_VIRT_KVM,
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};
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/* Two types of disk backends */
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enum qemud_vm_disk_type {
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QEMUD_DISK_BLOCK,
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QEMUD_DISK_FILE
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};
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/* Three types of disk frontend */
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enum qemud_vm_disk_device {
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QEMUD_DISK_DISK,
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QEMUD_DISK_CDROM,
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QEMUD_DISK_FLOPPY,
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};
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/* Stores the virtual disk configuration */
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struct qemud_vm_disk_def {
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int type;
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int device;
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char src[PATH_MAX];
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char dst[NAME_MAX];
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int readonly;
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struct qemud_vm_disk_def *next;
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};
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#define QEMUD_MAC_ADDRESS_LEN 6
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#define QEMUD_OS_TYPE_MAX_LEN 10
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#define QEMUD_OS_ARCH_MAX_LEN 10
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#define QEMUD_OS_MACHINE_MAX_LEN 10
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/* 5 different types of networking config */
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enum qemud_vm_net_type {
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QEMUD_NET_USER,
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QEMUD_NET_TAP,
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QEMUD_NET_SERVER,
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QEMUD_NET_CLIENT,
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QEMUD_NET_MCAST,
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QEMUD_NET_NETWORK,
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/* QEMUD_NET_VDE*/
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};
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/* Stores the virtual network interface configuration */
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struct qemud_vm_net_def {
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int type;
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int vlan;
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unsigned char mac[QEMUD_MAC_ADDRESS_LEN];
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union {
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struct {
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char ifname[NAME_MAX];
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char script[PATH_MAX];
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} tap;
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struct {
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struct sockaddr_in listen;
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int port;
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} server;
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struct {
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struct sockaddr_in connect;
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int port;
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} client;
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struct {
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struct sockaddr_in group;
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int port;
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} mcast;
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struct {
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char vlan[PATH_MAX];
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} vde;
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struct {
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char name[QEMUD_MAX_NAME_LEN];
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char tapifname[BR_IFNAME_MAXLEN];
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} network;
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} dst;
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struct qemud_vm_net_def *next;
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};
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#define QEMUD_MAX_BOOT_DEVS 4
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/* 3 possible boot devices */
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enum qemud_vm_boot_order {
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QEMUD_BOOT_FLOPPY,
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QEMUD_BOOT_CDROM,
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QEMUD_BOOT_DISK,
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QEMUD_BOOT_NET,
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};
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/* 3 possible graphics console modes */
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enum qemud_vm_grapics_type {
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QEMUD_GRAPHICS_NONE,
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QEMUD_GRAPHICS_SDL,
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QEMUD_GRAPHICS_VNC,
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};
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enum qemud_vm_features {
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QEMUD_FEATURE_ACPI = 1,
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};
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/* Operating system configuration data & machine / arch */
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struct qemud_vm_os_def {
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char type[QEMUD_OS_TYPE_MAX_LEN];
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char arch[QEMUD_OS_ARCH_MAX_LEN];
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char machine[QEMUD_OS_MACHINE_MAX_LEN];
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int nBootDevs;
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int bootDevs[QEMUD_MAX_BOOT_DEVS];
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char kernel[PATH_MAX];
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char initrd[PATH_MAX];
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char cmdline[PATH_MAX];
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char binary[PATH_MAX];
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};
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/* Guest VM main configuration */
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struct qemud_vm_def {
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int virtType;
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unsigned char uuid[QEMUD_UUID_RAW_LEN];
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char name[QEMUD_MAX_NAME_LEN];
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int memory;
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int maxmem;
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int vcpus;
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struct qemud_vm_os_def os;
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int features;
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int graphicsType;
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int vncPort;
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int vncActivePort;
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int ndisks;
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struct qemud_vm_disk_def *disks;
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int nnets;
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struct qemud_vm_net_def *nets;
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};
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/* Guest VM runtime state */
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struct qemud_vm {
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int stdout;
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int stderr;
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int monitor;
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int pid;
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int id;
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int *tapfds;
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int ntapfds;
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char configFile[PATH_MAX];
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char autostartLink[PATH_MAX];
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struct qemud_vm_def *def; /* The current definition */
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struct qemud_vm_def *newDef; /* New definition to activate at shutdown */
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unsigned int autostart : 1;
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struct qemud_vm *next;
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};
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/* Store start and end addresses of a dhcp range */
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struct qemud_dhcp_range_def {
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char start[BR_INET_ADDR_MAXLEN];
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char end[BR_INET_ADDR_MAXLEN];
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struct qemud_dhcp_range_def *next;
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};
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/* Virtual Network main configuration */
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struct qemud_network_def {
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unsigned char uuid[QEMUD_UUID_RAW_LEN];
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char name[QEMUD_MAX_NAME_LEN];
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char bridge[BR_IFNAME_MAXLEN];
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int disableSTP;
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int forwardDelay;
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char ipAddress[BR_INET_ADDR_MAXLEN];
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char netmask[BR_INET_ADDR_MAXLEN];
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int nranges;
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struct qemud_dhcp_range_def *ranges;
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};
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/* Virtual Network runtime state */
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struct qemud_network {
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char configFile[PATH_MAX];
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char autostartLink[PATH_MAX];
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struct qemud_network_def *def; /* The current definition */
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struct qemud_network_def *newDef; /* New definition to activate at shutdown */
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char bridge[BR_IFNAME_MAXLEN];
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int dnsmasqPid;
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unsigned int active : 1;
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unsigned int autostart : 1;
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struct qemud_network *next;
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};
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/* Stores the per-client connection state */
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struct qemud_client {
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int fd;
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int readonly;
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struct qemud_packet incoming;
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unsigned int incomingReceived;
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struct qemud_packet outgoing;
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unsigned int outgoingSent;
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int tx;
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struct qemud_client *next;
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};
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struct qemud_socket {
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int fd;
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int readonly;
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struct qemud_socket *next;
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};
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/* Main server state */
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struct qemud_server {
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int nsockets;
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struct qemud_socket *sockets;
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int qemuVersion;
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int nclients;
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struct qemud_client *clients;
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int sigread;
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int nvmfds;
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int nactivevms;
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int ninactivevms;
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struct qemud_vm *vms;
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int nextvmid;
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int nactivenetworks;
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int ninactivenetworks;
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struct qemud_network *networks;
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brControl *brctl;
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iptablesContext *iptables;
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char configDirs[QEMUD_N_CONFIG_DIRS][PATH_MAX];
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char *configDir;
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char *autostartDir;
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char *networkConfigDir;
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char *networkAutostartDir;
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char errorMessage[QEMUD_MAX_ERROR_LEN];
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int errorCode;
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unsigned int shutdown : 1;
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};
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int qemudStartVMDaemon(struct qemud_server *server,
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struct qemud_vm *vm);
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int qemudShutdownVMDaemon(struct qemud_server *server,
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struct qemud_vm *vm);
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int qemudStartNetworkDaemon(struct qemud_server *server,
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struct qemud_network *network);
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int qemudShutdownNetworkDaemon(struct qemud_server *server,
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struct qemud_network *network);
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void qemudLog(int priority, const char *fmt, ...);
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#ifdef ENABLE_DEBUG
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#define qemudDebug(...) qemudLog(QEMUD_DEBUG, __VA_ARGS__)
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#else
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#define qemudDebug(fmt, ...) do { } while(0);
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#endif
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static inline int
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qemudIsActiveVM(struct qemud_vm *vm)
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{
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return vm->id != -1;
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}
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static inline int
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qemudIsActiveNetwork(struct qemud_network *network)
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{
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return network->active;
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}
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#endif
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/*
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* Local variables:
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* indent-tabs-mode: nil
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* c-indent-level: 4
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* c-basic-offset: 4
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* tab-width: 4
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* End:
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*/
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