Leaked source code of windows server 2003
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#pragma once
#define CVY_MAX_ALLOCS 50 /* maximum number of allocations
we can perform for packets and actions */
#define CVY_MAX_SEND_PACKETS 50 /* maximum number of packets
Prot_packets_send can send down at one time */
#define CVY_MAX_RCT_PACKETS 10 /* maximum number of RCTL packets
Prot_recv_complete can service at one time */
/* Structure to hold the bi-directional affinity registry settings. */typedef struct _CVY_BDA { WCHAR team_id[CVY_MAX_BDA_TEAM_ID + 1]; /* The team ID - user-level support should enforce that it is a GUID. */ ULONG active; /* Is this adapter part of a BDA team? */ ULONG master; /* Boolean indication of master status (Slave=0). */ ULONG reverse_hash; /* Sets direction of hashing - forward (normal) or reverse. */} CVY_BDA, PCVY_BDA;
/* port group rule - keep it 64bit in size for encryption */
typedef struct{ ULONG start_port, /* starting port number */ end_port; /* ending port number */ ULONG virtual_ip_addr; /* Virtual clusters - the VIP to which the rule applies.
All VIPs is represented by 0xffffffff. */ ULONG code; /* unique rule code */ ULONG mode; /* filtering mode */ ULONG protocol; /* CVY_TCP, CVY_UDP or CVY_TCP_UDP */ ULONG valid; /* for rule management in user mode */ union { struct { ULONG priority; /* mastership priority: 1->N or 0 for
not-specified */ } single; /* data for single server mode */ struct { USHORT equal_load; /* TRUE => even load distribution */ USHORT affinity; /* TRUE - map all client connections to one server */ ULONG load; /* percentage of load to handle locally */ } multi; /* data for multi-server mode */ } mode_data; /* data for appropriate port group mode */}CVY_RULE, * PCVY_RULE;
/* host parameters */
typedef struct{
/* obtained from the registry */
ULONG parms_ver; /* parameter structure version */ ULONG effective_ver; /* what WLBS version we are effectively operating in. */
ULONG host_priority; /* host's priority for single-server mastership */ ULONG alive_period; /* period for sending "I am alive" messages
in milliseconds */ ULONG alive_tolerance; /* how many "I am alive" messages can be
missed from other servers before assuming that the host is dead */ ULONG num_actions; /* number of actions to allocate */ ULONG num_packets; /* number of packets to allocate */ ULONG num_send_msgs; /* number of send packets to allocate */ ULONG install_date; /* install time stamp */ ULONG rmt_password; /* remote maintenance password */ ULONG rct_password; /* remote control password */ ULONG rct_port; /* remote control UDP port */ ULONG rct_enabled; /* TRUE - remote control enabled */ ULONG num_rules; /* # active port group rules */ ULONG cleanup_delay; /* dirty connection cleanup delay in
milliseconds, 0 - delay */ ULONG cluster_mode; /* TRUE - enabled on startup */
ULONG persisted_states; /* which states should be persisted across reboots. */ ULONG init_state; /* 0 = stopped, 1 = started, 2 = suspended */
ULONG dscr_per_alloc; /* number of connection tracking
descriptor per allocation */ ULONG max_dscr_allocs; /* maximum number of connection tracking
descriptor allocations */ ULONG scale_client; /* TRUE - load balance connections from a
given client across cluster servers */ ULONG nbt_support; /* TRUE - NBT cluster name support enabled */ ULONG mcast_support; /* TRUE - enable multicast MAC address support
for switched V1.3.0b */ ULONG mcast_spoof; /* TRUE - if mcast_support is TRUE - enable
TCP/IP spoofing so that remote hosts can resolve cluster IP address to multicast address via ARPs V1.3.0b */ ULONG igmp_support; /* TRUE - if IGMP support is enabled */ ULONG mask_src_mac; /* TRUE - spoof source MAC when sending
frames in unicast mode to prevent switches from getting confused V 2.0.6 */ ULONG netmon_alive; /* TRUE - pass heartbeat frames to the
protocols */ ULONG convert_mac; /* TRUE - automatically match MAC address
to primary cluster IP address */ ULONG ip_chg_delay; /* delay in milliseconds to block outgoing
ARPs while IP address change is in process */
ULONG tcp_dscr_timeout; /* The timeout for expired TCP connection descriptors. */ ULONG ipsec_dscr_timeout; /* The timeout for expired IPSec connection descriptors. */
ULONG filter_icmp; /* Whether or not ICMP traffic is filtered or accepted by all hosts. */
CVY_BDA bda_teaming; /* the bi-directional affinity teaming config. */
ULONG identity_period; /* Period for transmitting identity heartbeats (in ms) */ ULONG identity_enabled; /* TRUE - identity heartbeats are transmitted */
/* strings */
WCHAR cl_mac_addr [CVY_MAX_NETWORK_ADDR + 1]; /* cluster MAC address */ WCHAR cl_ip_addr [CVY_MAX_CL_IP_ADDR + 1]; /* cluster IP address */ WCHAR cl_net_mask [CVY_MAX_CL_NET_MASK + 1]; /* netmask for cluster IP address or "" for none */ WCHAR ded_ip_addr [CVY_MAX_DED_IP_ADDR + 1]; /* dedicated IP address or "" for none */ WCHAR ded_net_mask [CVY_MAX_DED_NET_MASK + 1]; /* netmask for dedicated IP address or "" for none */ WCHAR domain_name [CVY_MAX_DOMAIN_NAME + 1]; /* client's domain name */ WCHAR cl_igmp_addr [CVY_MAX_CL_IGMP_ADDR + 1]; /* dedicated IP address or "" for none */ CVY_RULE port_rules[CVY_MAX_RULES - 1]; /* port rules (account for internal default) */ WCHAR hostname[CVY_MAX_FQDN + 1]; /* hostname.domain for this host if available. */}CVY_PARAMS, * PCVY_PARAMS;
#define CVY_DRIVER_RULE_CODE_GET(rulep) ((rulep) -> code)
#define CVY_DRIVER_RULE_CODE_SET(rulep) ((rulep) -> code = \
((ULONG) (((rulep) -> start_port) << 0) | \ (ULONG) (((rulep) -> end_port) << 12) | \ (ULONG) (((rulep) -> protocol) << 24) | \ (ULONG) (((rulep) -> mode) << 28) | \ (ULONG) (((rulep) -> mode == CVY_MULTI ? (rulep) -> mode_data . multi . affinity : 0) << 30)) \ ^ ~((rulep) -> virtual_ip_addr))
extern LONG Params_init ( PVOID nlbctxt, PVOID reg_path, PVOID adapter_guid, /* GUID of the adapter for multiple nics*/ PCVY_PARAMS paramp);
/* Update the host state registry key. This is called as a result of a local or remote
control operation changing the current state of the host. This state will be persisted across reboots, adapter disable/enables, etc. */VOID Params_set_host_state (PNDIS_WORK_ITEM pWorkItem, PVOID nlbctxt);
#if defined (NLB_TCP_NOTIFICATION)
/*
* Function: Params_read_notification * Desctription: Looks for a global NLB registry to turn notifications on or * off. By default the key does NOT EVEN EXIST, so this is only * a method by which to alter the hard-coded default. * Parameters: None. * Returns: NTSTATUS - the status of the registry operations. * Author: shouse, 4.29.02 * Notes: */NTSTATUS Params_read_notification (VOID);#endif
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