/*
ctdb database library
Copyright (C) Andrew Tridgell 2006
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see .
*/
#ifndef _CTDB_PRIVATE_H
#define _CTDB_PRIVATE_H
#include "ctdb.h"
#include
/* location of daemon socket */
#define CTDB_PATH "/tmp/ctdb.socket"
/* default ctdb port number */
#define CTDB_PORT 4379
/* we must align packets to ensure ctdb works on all architectures (eg. sparc) */
#define CTDB_DS_ALIGNMENT 8
#define CTDB_NULL_FUNC 0xFF000001
#define CTDB_FETCH_FUNC 0xFF000002
/*
recovery daemon memdump reply address
*/
struct rd_memdump_reply {
uint32_t pnn;
uint64_t srvid;
};
/*
a tcp connection description
*/
struct ctdb_tcp_connection {
ctdb_sock_addr src_addr;
ctdb_sock_addr dst_addr;
};
/* the wire representation for a tcp tickle array */
struct ctdb_tcp_wire_array {
uint32_t num;
struct ctdb_tcp_connection connections[1];
};
/* the list of tcp tickles used by get/set tcp tickle list */
struct ctdb_control_tcp_tickle_list {
ctdb_sock_addr addr;
struct ctdb_tcp_wire_array tickles;
};
/*
array of tcp connections
*/
struct ctdb_tcp_array {
uint32_t num;
struct ctdb_tcp_connection *connections;
};
/* all tunable variables go in here */
struct ctdb_tunable {
uint32_t max_redirect_count;
uint32_t seqnum_frequency;
uint32_t control_timeout;
uint32_t traverse_timeout;
uint32_t keepalive_interval;
uint32_t keepalive_limit;
uint32_t max_lacount;
uint32_t recover_timeout;
uint32_t recover_interval;
uint32_t election_timeout;
uint32_t takeover_timeout;
uint32_t monitor_interval;
uint32_t tickle_update_interval;
uint32_t script_timeout;
uint32_t script_ban_count; /* ban after this many consec timeouts*/
uint32_t recovery_grace_period;
uint32_t recovery_ban_period;
uint32_t database_hash_size;
uint32_t database_max_dead;
uint32_t rerecovery_timeout;
uint32_t enable_bans;
uint32_t deterministic_public_ips;
uint32_t disable_when_unhealthy;
uint32_t reclock_ping_period;
uint32_t no_ip_failback;
uint32_t verbose_memory_names;
uint32_t recd_ping_timeout;
uint32_t recd_ping_failcount;
uint32_t log_latency_ms;
};
/*
an installed ctdb remote call
*/
struct ctdb_registered_call {
struct ctdb_registered_call *next, *prev;
uint32_t id;
ctdb_fn_t fn;
};
/*
this address structure might need to be generalised later for some
transports
*/
struct ctdb_address {
const char *address;
int port;
};
/*
check that a pnn is valid
*/
#define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
/* called from the queue code when a packet comes in. Called with data==NULL
on error */
typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
void *private_data);
/* used for callbacks in ctdb_control requests */
typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
int32_t status, TDB_DATA data,
const char *errormsg,
void *private_data);
/*
structure describing a connected client in the daemon
*/
struct ctdb_client {
struct ctdb_context *ctdb;
int fd;
struct ctdb_queue *queue;
uint32_t client_id;
pid_t pid;
struct ctdb_tcp_list *tcp_list;
uint32_t num_persistent_updates;
};
/* state associated with a public ip address */
struct ctdb_vnn {
struct ctdb_vnn *prev, *next;
const char *iface;
ctdb_sock_addr public_address;
uint8_t public_netmask_bits;
/* the node number that is serving this public address, if any.
If no node serves this ip it is set to -1 */
int32_t pnn;
/* List of clients to tickle for this public address */
struct ctdb_tcp_array *tcp_array;
/* whether we need to update the other nodes with changes to our list
of connected clients */
bool tcp_update_needed;
/* a context to hang sending gratious arp events off */
TALLOC_CTX *takeover_ctx;
struct ctdb_kill_tcp *killtcp;
};
/*
state associated with one node
*/
struct ctdb_node {
struct ctdb_context *ctdb;
struct ctdb_address address;
const char *name; /* for debug messages */
void *private_data; /* private to transport */
uint32_t pnn;
#define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
#define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
#define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
#define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
#define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
#define NODE_FLAGS_INACTIVE (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED)
uint32_t flags;
/* used by the dead node monitoring */
uint32_t dead_count;
uint32_t rx_cnt;
uint32_t tx_cnt;
/* used to track node capabilities, is only valid/tracked inside the
recovery daemon.
*/
uint32_t capabilities;
/* a list of controls pending to this node, so we can time them out quickly
if the node becomes disconnected */
struct daemon_control_state *pending_controls;
/* used by the recovery daemon when distributing ip addresses
across the nodes. it needs to know which public ip's can be handled
by each node.
*/
struct ctdb_all_public_ips *public_ips;
};
/*
transport specific methods
*/
struct ctdb_methods {
int (*initialise)(struct ctdb_context *); /* initialise transport structures */
int (*start)(struct ctdb_context *); /* start the transport */
int (*add_node)(struct ctdb_node *); /* setup a new node */
int (*connect_node)(struct ctdb_node *); /* connect to node */
int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
void (*shutdown)(struct ctdb_context *); /* shutdown transport */
void (*restart)(struct ctdb_node *); /* stop and restart the connection */
};
/*
transport calls up to the ctdb layer
*/
struct ctdb_upcalls {
/* recv_pkt is called when a packet comes in */
void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
/* node_dead is called when an attempt to send to a node fails */
void (*node_dead)(struct ctdb_node *);
/* node_connected is called when a connection to a node is established */
void (*node_connected)(struct ctdb_node *);
};
/* list of message handlers - needs to be changed to a more efficient data
structure so we can find a message handler given a srvid quickly */
struct ctdb_message_list {
struct ctdb_context *ctdb;
struct ctdb_message_list *next, *prev;
uint64_t srvid;
ctdb_message_fn_t message_handler;
void *message_private;
};
/* additional data required for the daemon mode */
struct ctdb_daemon_data {
int sd;
char *name;
struct ctdb_queue *queue;
};
/*
ctdb status information
*/
struct ctdb_statistics {
uint32_t num_clients;
uint32_t frozen;
uint32_t recovering;
uint32_t client_packets_sent;
uint32_t client_packets_recv;
uint32_t node_packets_sent;
uint32_t node_packets_recv;
uint32_t keepalive_packets_sent;
uint32_t keepalive_packets_recv;
struct {
uint32_t req_call;
uint32_t reply_call;
uint32_t req_dmaster;
uint32_t reply_dmaster;
uint32_t reply_error;
uint32_t req_message;
uint32_t req_control;
uint32_t reply_control;
} node;
struct {
uint32_t req_call;
uint32_t req_message;
uint32_t req_control;
} client;
struct {
uint32_t call;
uint32_t control;
uint32_t traverse;
} timeouts;
uint32_t total_calls;
uint32_t pending_calls;
uint32_t lockwait_calls;
uint32_t pending_lockwait_calls;
uint32_t childwrite_calls;
uint32_t pending_childwrite_calls;
uint32_t memory_used;
uint32_t __last_counter; /* hack for control_statistics_all */
uint32_t max_hop_count;
double max_call_latency;
double max_lockwait_latency;
double max_childwrite_latency;
};
#define INVALID_GENERATION 1
/* table that contains the mapping between a hash value and lmaster
*/
struct ctdb_vnn_map {
uint32_t generation;
uint32_t size;
uint32_t *map;
};
/*
a wire representation of the vnn map
*/
struct ctdb_vnn_map_wire {
uint32_t generation;
uint32_t size;
uint32_t map[1];
};
/* a structure that contains the elements required for the write record
control
*/
struct ctdb_write_record {
uint32_t dbid;
uint32_t keylen;
uint32_t datalen;
unsigned char blob[1];
};
enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
#define CTDB_MONITORING_ACTIVE 0
#define CTDB_MONITORING_DISABLED 1
/* The different capabilities of the ctdb daemon. */
#define CTDB_CAP_RECMASTER 0x00000001
#define CTDB_CAP_LMASTER 0x00000002
/* This capability is set if CTDB_LVS_PUBLIC_IP is set */
#define CTDB_CAP_LVS 0x00000004
/* main state of the ctdb daemon */
struct ctdb_context {
struct event_context *ev;
struct timeval ctdbd_start_time;
struct timeval last_recovery_started;
struct timeval last_recovery_finished;
uint32_t recovery_mode;
TALLOC_CTX *tickle_update_context;
TALLOC_CTX *keepalive_ctx;
struct ctdb_tunable tunable;
enum ctdb_freeze_mode freeze_mode;
struct ctdb_freeze_handle *freeze_handle;
struct ctdb_address address;
const char *name;
const char *db_directory;
const char *db_directory_persistent;
const char *transport;
const char *logfile;
char *node_list_file;
char *recovery_lock_file;
int recovery_lock_fd;
uint32_t pnn; /* our own pnn */
uint32_t num_nodes;
uint32_t num_connected;
unsigned flags;
uint32_t capabilities;
struct idr_context *idr;
uint16_t idr_cnt;
struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
char *err_msg;
const struct ctdb_methods *methods; /* transport methods */
const struct ctdb_upcalls *upcalls; /* transport upcalls */
void *private_data; /* private to transport */
struct ctdb_db_context *db_list;
struct ctdb_message_list *message_list;
struct ctdb_daemon_data daemon;
struct ctdb_statistics statistics;
struct ctdb_vnn_map *vnn_map;
uint32_t num_clients;
uint32_t recovery_master;
struct ctdb_call_state *pending_calls;
struct ctdb_client_ip *client_ip_list;
bool do_setsched;
bool do_checkpublicip;
void *saved_scheduler_param;
struct _trbt_tree_t *server_ids;
const char *event_script_dir;
const char *default_public_interface;
pid_t ctdbd_pid;
pid_t recoverd_pid;
bool done_startup;
const char *node_ip;
struct ctdb_monitor_state *monitor;
struct ctdb_log_state *log;
int start_as_disabled;
uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
TALLOC_CTX *eventscripts_ctx; /* a context to hold data for the RUN_EVENTSCRIPTS control */
uint32_t *recd_ping_count;
TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
TALLOC_CTX *script_monitoring_ctx; /* a context where we store results while running the monitor event */
TALLOC_CTX *last_monitoring_ctx;
};
struct ctdb_db_context {
struct ctdb_db_context *next, *prev;
struct ctdb_context *ctdb;
uint32_t db_id;
bool persistent;
const char *db_name;
const char *db_path;
struct tdb_wrap *ltdb;
struct ctdb_registered_call *calls; /* list of registered calls */
uint32_t seqnum;
struct timed_event *te;
};
#define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
return -1; }} while (0)
#define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
return; }} while (0)
#define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
return NULL; }} while (0)
#define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
}} while (0)
/*
the extended header for records in the ltdb
*/
struct ctdb_ltdb_header {
uint64_t rsn;
uint32_t dmaster;
uint32_t laccessor;
uint32_t lacount;
};
enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
CTDB_CONTROL_STATISTICS = 1,
/* #2 removed */
CTDB_CONTROL_PING = 3,
CTDB_CONTROL_GETDBPATH = 4,
CTDB_CONTROL_GETVNNMAP = 5,
CTDB_CONTROL_SETVNNMAP = 6,
CTDB_CONTROL_GET_DEBUG = 7,
CTDB_CONTROL_SET_DEBUG = 8,
CTDB_CONTROL_GET_DBMAP = 9,
CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */
CTDB_CONTROL_SET_DMASTER = 11,
/* #12 removed */
CTDB_CONTROL_PULL_DB = 13,
CTDB_CONTROL_PUSH_DB = 14,
CTDB_CONTROL_GET_RECMODE = 15,
CTDB_CONTROL_SET_RECMODE = 16,
CTDB_CONTROL_STATISTICS_RESET = 17,
CTDB_CONTROL_DB_ATTACH = 18,
CTDB_CONTROL_SET_CALL = 19,
CTDB_CONTROL_TRAVERSE_START = 20,
CTDB_CONTROL_TRAVERSE_ALL = 21,
CTDB_CONTROL_TRAVERSE_DATA = 22,
CTDB_CONTROL_REGISTER_SRVID = 23,
CTDB_CONTROL_DEREGISTER_SRVID = 24,
CTDB_CONTROL_GET_DBNAME = 25,
CTDB_CONTROL_ENABLE_SEQNUM = 26,
CTDB_CONTROL_UPDATE_SEQNUM = 27,
/* #28 removed */
CTDB_CONTROL_DUMP_MEMORY = 29,
CTDB_CONTROL_GET_PID = 30,
CTDB_CONTROL_GET_RECMASTER = 31,
CTDB_CONTROL_SET_RECMASTER = 32,
CTDB_CONTROL_FREEZE = 33,
CTDB_CONTROL_THAW = 34,
CTDB_CONTROL_GET_PNN = 35,
CTDB_CONTROL_SHUTDOWN = 36,
CTDB_CONTROL_GET_MONMODE = 37,
/* #38 removed */
/* #39 removed */
/* #40 removed */
/* #41 removed */
CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */
CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */
CTDB_CONTROL_TCP_CLIENT = 44,
CTDB_CONTROL_TCP_ADD = 45,
CTDB_CONTROL_TCP_REMOVE = 46,
CTDB_CONTROL_STARTUP = 47,
CTDB_CONTROL_SET_TUNABLE = 48,
CTDB_CONTROL_GET_TUNABLE = 49,
CTDB_CONTROL_LIST_TUNABLES = 50,
CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */
CTDB_CONTROL_MODIFY_FLAGS = 52,
CTDB_CONTROL_GET_ALL_TUNABLES = 53,
CTDB_CONTROL_KILL_TCP = 54,
CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55,
CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56,
CTDB_CONTROL_REGISTER_SERVER_ID = 57,
CTDB_CONTROL_UNREGISTER_SERVER_ID = 58,
CTDB_CONTROL_CHECK_SERVER_ID = 59,
CTDB_CONTROL_GET_SERVER_ID_LIST = 60,
CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61,
CTDB_CONTROL_PERSISTENT_STORE = 62,
CTDB_CONTROL_UPDATE_RECORD = 63,
CTDB_CONTROL_SEND_GRATIOUS_ARP = 64,
CTDB_CONTROL_TRANSACTION_START = 65,
CTDB_CONTROL_TRANSACTION_COMMIT = 66,
CTDB_CONTROL_WIPE_DATABASE = 67,
/* #68 removed */
CTDB_CONTROL_UPTIME = 69,
CTDB_CONTROL_START_RECOVERY = 70,
CTDB_CONTROL_END_RECOVERY = 71,
CTDB_CONTROL_RELOAD_NODES_FILE = 72,
/* #73 removed */
CTDB_CONTROL_TRY_DELETE_RECORDS = 74,
CTDB_CONTROL_ENABLE_MONITOR = 75,
CTDB_CONTROL_DISABLE_MONITOR = 76,
CTDB_CONTROL_ADD_PUBLIC_IP = 77,
CTDB_CONTROL_DEL_PUBLIC_IP = 78,
CTDB_CONTROL_RUN_EVENTSCRIPTS = 79,
CTDB_CONTROL_GET_CAPABILITIES = 80,
CTDB_CONTROL_START_PERSISTENT_UPDATE = 81,
CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82,
CTDB_CONTROL_TRANS2_COMMIT = 83,
CTDB_CONTROL_TRANS2_FINISHED = 84,
CTDB_CONTROL_TRANS2_ERROR = 85,
CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86,
CTDB_CONTROL_RECD_PING = 87,
CTDB_CONTROL_RELEASE_IP = 88,
CTDB_CONTROL_TAKEOVER_IP = 89,
CTDB_CONTROL_GET_PUBLIC_IPS = 90,
CTDB_CONTROL_GET_NODEMAP = 91,
CTDB_CONTROL_EVENT_SCRIPT_INIT = 92,
CTDB_CONTROL_EVENT_SCRIPT_START = 93,
CTDB_CONTROL_EVENT_SCRIPT_STOP = 94,
CTDB_CONTROL_EVENT_SCRIPT_FINISHED = 95,
CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS = 96,
};
/*
structure passed in set_call control
*/
struct ctdb_control_set_call {
uint32_t db_id;
ctdb_fn_t fn;
uint32_t id;
};
/*
struct for kill_tcp control
*/
struct ctdb_control_killtcp {
ctdb_sock_addr src_addr;
ctdb_sock_addr dst_addr;
};
/*
struct holding a ctdb_sock_addr and an interface name,
used to add/remove public addresses
*/
struct ctdb_control_ip_iface {
ctdb_sock_addr addr;
uint32_t mask;
uint32_t len;
char iface[1];
};
/*
struct holding a ctdb_sock_addr and an interface name,
used for send_gratious_arp
*/
struct ctdb_control_gratious_arp {
ctdb_sock_addr addr;
uint32_t mask;
uint32_t len;
char iface[1];
};
/*
struct for tcp_add and tcp_remove controls
*/
struct ctdb_control_tcp_vnn {
ctdb_sock_addr src;
ctdb_sock_addr dest;
};
/*
persistent store control - update this record on all other nodes
*/
struct ctdb_control_persistent_store {
uint32_t db_id;
uint32_t len;
uint8_t data[1];
};
/*
structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
*/
struct ctdb_node_flag_change {
uint32_t pnn;
uint32_t new_flags;
uint32_t old_flags;
};
/*
struct for admin setting a ban
*/
struct ctdb_ban_info {
uint32_t pnn;
uint32_t ban_time;
};
enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
#define CTDB_LMASTER_ANY 0xffffffff
/*
state of a in-progress ctdb call
*/
struct ctdb_call_state {
struct ctdb_call_state *next, *prev;
enum call_state state;
uint32_t reqid;
struct ctdb_req_call *c;
struct ctdb_db_context *ctdb_db;
const char *errmsg;
struct ctdb_call *call;
uint32_t generation;
struct {
void (*fn)(struct ctdb_call_state *);
void *private_data;
} async;
};
/* used for fetch_lock */
struct ctdb_fetch_handle {
struct ctdb_db_context *ctdb_db;
TDB_DATA key;
TDB_DATA *data;
struct ctdb_ltdb_header header;
};
/*
operation IDs
*/
enum ctdb_operation {
CTDB_REQ_CALL = 0,
CTDB_REPLY_CALL = 1,
CTDB_REQ_DMASTER = 2,
CTDB_REPLY_DMASTER = 3,
CTDB_REPLY_ERROR = 4,
CTDB_REQ_MESSAGE = 5,
/* #6 removed */
CTDB_REQ_CONTROL = 7,
CTDB_REPLY_CONTROL = 8,
CTDB_REQ_KEEPALIVE = 9,
};
#define CTDB_MAGIC 0x43544442 /* CTDB */
#define CTDB_VERSION 1
/*
packet structures
*/
struct ctdb_req_header {
uint32_t length;
uint32_t ctdb_magic;
uint32_t ctdb_version;
uint32_t generation;
uint32_t operation;
uint32_t destnode;
uint32_t srcnode;
uint32_t reqid;
};
struct ctdb_req_call {
struct ctdb_req_header hdr;
uint32_t flags;
uint32_t db_id;
uint32_t callid;
uint32_t hopcount;
uint32_t keylen;
uint32_t calldatalen;
uint8_t data[1]; /* key[] followed by calldata[] */
};
struct ctdb_reply_call {
struct ctdb_req_header hdr;
uint32_t status;
uint32_t datalen;
uint8_t data[1];
};
struct ctdb_reply_error {
struct ctdb_req_header hdr;
uint32_t status;
uint32_t msglen;
uint8_t msg[1];
};
struct ctdb_req_dmaster {
struct ctdb_req_header hdr;
uint32_t db_id;
uint64_t rsn;
uint32_t dmaster;
uint32_t keylen;
uint32_t datalen;
uint8_t data[1];
};
struct ctdb_reply_dmaster {
struct ctdb_req_header hdr;
uint32_t db_id;
uint64_t rsn;
uint32_t keylen;
uint32_t datalen;
uint8_t data[1];
};
struct ctdb_req_message {
struct ctdb_req_header hdr;
uint64_t srvid;
uint32_t datalen;
uint8_t data[1];
};
struct ctdb_req_getdbpath {
struct ctdb_req_header hdr;
uint32_t db_id;
};
struct ctdb_reply_getdbpath {
struct ctdb_req_header hdr;
uint32_t datalen;
uint8_t data[1];
};
struct ctdb_req_control {
struct ctdb_req_header hdr;
uint32_t opcode;
uint64_t srvid;
uint32_t client_id;
#define CTDB_CTRL_FLAG_NOREPLY 1
uint32_t flags;
uint32_t datalen;
uint8_t data[1];
};
struct ctdb_reply_control {
struct ctdb_req_header hdr;
int32_t status;
uint32_t datalen;
uint32_t errorlen;
uint8_t data[1];
};
struct ctdb_req_keepalive {
struct ctdb_req_header hdr;
};
/* types of failures possible from TRANS2_COMMIT */
enum ctdb_trans2_commit_error {
CTDB_TRANS2_COMMIT_SUCCESS=0, /* all nodes committed successfully */
CTDB_TRANS2_COMMIT_TIMEOUT=1, /* at least one node timed out */
CTDB_TRANS2_COMMIT_ALLFAIL=2, /* all nodes failed the commit */
CTDB_TRANS2_COMMIT_SOMEFAIL=3 /* some nodes failed the commit, some allowed it */
};
/* internal prototypes */
void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
int ctdb_parse_address(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx, const char *str,
struct ctdb_address *address);
bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
uint32_t ctdb_hash(const TDB_DATA *key);
uint32_t ctdb_hash_string(const char *str);
void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
TDB_DATA key, struct ctdb_ltdb_header *header,
TALLOC_CTX *mem_ctx, TDB_DATA *data);
int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
struct ctdb_ltdb_header *header, TDB_DATA data);
int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA recdata);
int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA recdata);
void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
TDB_DATA key, struct ctdb_req_header *hdr,
void (*recv_pkt)(void *, struct ctdb_req_header *),
void *recv_context, bool ignore_generation);
int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
TDB_DATA key, struct ctdb_ltdb_header *header,
struct ctdb_req_header *hdr, TDB_DATA *data,
void (*recv_pkt)(void *, struct ctdb_req_header *),
void *recv_context, bool ignore_generation);
void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
struct ctdb_call *call,
struct ctdb_ltdb_header *header,
TDB_DATA *data);
int ctdbd_start(struct ctdb_context *ctdb);
struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
/*
queue a packet for sending
*/
int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
/*
setup the fd used by the queue
*/
int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
/*
setup a packet queue on a socket
*/
struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx, int fd, int alignment,
ctdb_queue_cb_fn_t callback,
void *private_data);
/*
allocate a packet for use in client<->daemon communication
*/
struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx,
enum ctdb_operation operation,
size_t length, size_t slength,
const char *type);
#define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
(type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx,
enum ctdb_operation operation,
size_t length, size_t slength,
const char *type);
#define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
(type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
/*
lock a record in the ltdb, given a key
*/
int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
/*
unlock a record in the ltdb, given a key
*/
int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
/*
make a ctdb call to the local daemon - async send. Called from client context.
This constructs a ctdb_call request and queues it for processing.
This call never blocks.
*/
struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
struct ctdb_call *call);
/*
make a recv call to the local ctdb daemon - called from client context
This is called when the program wants to wait for a ctdb_call to complete and get the
results. This call will block unless the call has already completed.
*/
int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
int ctdb_daemon_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
ctdb_message_fn_t handler,
void *private_data);
int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
uint64_t srvid, TDB_DATA data);
/*
send a ctdb message
*/
int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
uint64_t srvid, TDB_DATA data);
struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
TDB_DATA key,
void (*callback)(void *), void *private_data);
struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
struct ctdb_call *call);
int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
struct ctdb_call *call,
struct ctdb_ltdb_header *header);
int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
uint32_t caller);
#define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
int ctdb_socket_connect(struct ctdb_context *ctdb);
void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
TDB_DATA data,
ctdb_control_callback_fn_t callback,
void *private_data);
int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
ctdb_fn_t fn, int id);
int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
uint32_t opcode, uint32_t flags, TDB_DATA data,
TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
struct timeval *timeout, char **errormsg);
int ctdb_control_recv(struct ctdb_context *ctdb,
struct ctdb_client_control_state *state,
TALLOC_CTX *mem_ctx,
TDB_DATA *outdata, int32_t *status, char **errormsg);
struct ctdb_client_control_state *
ctdb_control_send(struct ctdb_context *ctdb,
uint32_t destnode, uint64_t srvid,
uint32_t opcode, uint32_t flags, TDB_DATA data,
TALLOC_CTX *mem_ctx,
struct timeval *timeout,
char **errormsg);
#define CHECK_CONTROL_DATA_SIZE(size) do { \
if (indata.dsize != size) { \
DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
opcode, (unsigned)indata.dsize, (unsigned)size)); \
return -1; \
} \
} while (0)
int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
struct ctdb_traverse_start {
uint32_t db_id;
uint32_t reqid;
uint64_t srvid;
};
/*
structure used to pass record data between the child and parent
*/
struct ctdb_rec_data {
uint32_t length;
uint32_t reqid;
uint32_t keylen;
uint32_t datalen;
uint8_t data[1];
};
/* structure used for pulldb control */
struct ctdb_control_pulldb {
uint32_t db_id;
uint32_t lmaster;
};
/* structure used for sending lists of records */
struct ctdb_marshall_buffer {
uint32_t db_id;
uint32_t count;
uint8_t data[1];
};
/* set dmaster control structure */
struct ctdb_control_set_dmaster {
uint32_t db_id;
uint32_t dmaster;
};
/*
structure for setting a tunable
*/
struct ctdb_control_set_tunable {
uint32_t value;
uint32_t length;
uint8_t name[1];
};
/*
structure for getting a tunable
*/
struct ctdb_control_get_tunable {
uint32_t length;
uint8_t name[1];
};
/*
structure for listing tunables
*/
struct ctdb_control_list_tunable {
uint32_t length;
/* returns a : separated list of tunable names */
uint8_t data[1];
};
/* table that contains a list of all nodes a ctdb knows about and their
status
*/
struct ctdb_node_and_flags {
uint32_t pnn;
uint32_t flags;
ctdb_sock_addr addr;
};
struct ctdb_node_map {
uint32_t num;
struct ctdb_node_and_flags nodes[1];
};
struct ctdb_node_and_flagsv4 {
uint32_t pnn;
uint32_t flags;
struct sockaddr_in sin;
};
struct ctdb_node_mapv4 {
uint32_t num;
struct ctdb_node_and_flagsv4 nodes[1];
};
struct ctdb_control_wipe_database {
uint32_t db_id;
uint32_t transaction_id;
};
/*
state of a in-progress ctdb call in client
*/
struct ctdb_client_call_state {
enum call_state state;
uint32_t reqid;
struct ctdb_db_context *ctdb_db;
struct ctdb_call *call;
struct {
void (*fn)(struct ctdb_client_call_state *);
void *private_data;
} async;
};
int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
TDB_DATA *outdata, uint32_t srcnode);
int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
int32_t ctdb_ltdb_set_seqnum_frequency(struct ctdb_context *ctdb, uint32_t frequency);
struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
uint32_t *reqid,
struct ctdb_ltdb_header *header,
TDB_DATA *key, TDB_DATA *data);
int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA indata, bool *async_reply,
const char **errormsg);
void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
TDB_DATA *outdata, int32_t status, const char *errormsg);
int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
int32_t ctdb_control_thaw(struct ctdb_context *ctdb);
int ctdb_start_recoverd(struct ctdb_context *ctdb);
void ctdb_stop_recoverd(struct ctdb_context *ctdb);
uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
void ctdb_disable_monitoring(struct ctdb_context *ctdb);
void ctdb_enable_monitoring(struct ctdb_context *ctdb);
void ctdb_stop_monitoring(struct ctdb_context *ctdb);
void ctdb_start_monitoring(struct ctdb_context *ctdb);
void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
void ctdb_start_keepalive(struct ctdb_context *ctdb);
void ctdb_stop_keepalive(struct ctdb_context *ctdb);
int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
void ctdb_call_resend_all(struct ctdb_context *ctdb);
void ctdb_node_dead(struct ctdb_node *node);
void ctdb_node_connected(struct ctdb_node *node);
bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
void ctdb_set_scheduler(struct ctdb_context *ctdb);
void ctdb_restore_scheduler(struct ctdb_context *ctdb);
int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA indata,
bool *async_reply);
int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA indata,
bool *async_reply);
int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA indata,
bool *async_reply);
int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA indata,
bool *async_reply);
int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
bool *async_reply);
int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
bool *async_reply);
struct ctdb_public_ipv4 {
uint32_t pnn;
struct sockaddr_in sin;
};
struct ctdb_public_ip {
uint32_t pnn;
ctdb_sock_addr addr;
};
int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
uint32_t destnode, struct ctdb_public_ip *ip);
int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
uint32_t destnode, struct ctdb_public_ip *ip);
struct ctdb_all_public_ipsv4 {
uint32_t num;
struct ctdb_public_ipv4 ips[1];
};
struct ctdb_all_public_ips {
uint32_t num;
struct ctdb_public_ip ips[1];
};
int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
struct timeval timeout, uint32_t destnode,
TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
struct timeval timeout, uint32_t destnode,
TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
/* from takeover/system.c */
int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
const ctdb_sock_addr *src,
uint32_t seq, uint32_t ack, int rst);
int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
TDB_DATA indata);
int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
int ctdb_event_script_callback(struct ctdb_context *ctdb,
struct timeval timeout,
TALLOC_CTX *mem_ctx,
void (*callback)(struct ctdb_context *, int, void *),
void *private_data,
const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
void ctdb_release_all_ips(struct ctdb_context *ctdb);
void set_nonblocking(int fd);
void set_close_on_exec(int fd);
bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
TDB_DATA *outdata);
int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
struct ctdb_tunable *tunables);
void ctdb_start_freeze(struct ctdb_context *ctdb);
bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
bool parse_ip(const char *s, const char *iface, ctdb_sock_addr *addr);
bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
int ctdb_sys_close_capture_socket(void *private_data);
int ctdb_sys_read_tcp_packet(int s, void *private_data, ctdb_sock_addr *src, ctdb_sock_addr *dst, uint32_t *ack_seq, uint32_t *seq);
int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
struct ctdb_control_killtcp *killtcp);
int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
struct ctdb_control_ip_iface *pub);
int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
struct ctdb_control_ip_iface *pub);
int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
ctdb_sock_addr *addr,
const char *ifname);
int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
TALLOC_CTX *mem_ctx,
ctdb_sock_addr *addr,
struct ctdb_control_tcp_tickle_list **list);
int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
uint32_t client_id,
TDB_DATA indata);
int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
TDB_DATA indata);
int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
TDB_DATA indata);
int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
TDB_DATA *outdata);
int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
TDB_DATA *outdata);
int ctdb_attach_persistent(struct ctdb_context *ctdb);
int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA recdata, bool *async_reply);
int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
struct ctdb_req_control *c, TDB_DATA recdata,
bool *async_reply);
int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA recdata, bool *async_reply);
int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
void ctdb_block_signal(int signum);
void ctdb_unblock_signal(int signum);
int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
int ctdb_set_child_logging(struct ctdb_context *ctdb);
typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
struct client_async_data {
enum ctdb_controls opcode;
bool dont_log_errors;
uint32_t count;
uint32_t fail_count;
client_async_callback callback;
client_async_callback fail_callback;
void *callback_data;
};
void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
int ctdb_client_async_control(struct ctdb_context *ctdb,
enum ctdb_controls opcode,
uint32_t *nodes,
struct timeval timeout,
bool dont_log_errors,
TDB_DATA data,
client_async_callback client_callback,
client_async_callback fail_callback,
void *callback_data);
void ctdb_load_nodes_file(struct ctdb_context *ctdb);
int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
struct ctdb_req_control *c);
int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
struct ctdb_req_control *c);
char *ctdb_addr_to_str(ctdb_sock_addr *addr);
void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
extern int script_log_level;
int ctdb_ctrl_event_script_init(struct ctdb_context *ctdb);
int ctdb_ctrl_event_script_start(struct ctdb_context *ctdb, const char *name);
int ctdb_ctrl_event_script_stop(struct ctdb_context *ctdb, int32_t res);
int ctdb_ctrl_event_script_finished(struct ctdb_context *ctdb);
int32_t ctdb_control_event_script_init(struct ctdb_context *ctdb);
int32_t ctdb_control_event_script_start(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_event_script_stop(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_event_script_finished(struct ctdb_context *ctdb);
int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb, TDB_DATA *outdata);
int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
#endif