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https://github.com/samba-team/samba.git
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e05fc0e7b0
Signed-off-by: Martin Schwenke <martin@meltin.net> (This used to be ctdb commit 140fafef23050d40d66f5b5558c7efcb78f80cd2)
1495 lines
50 KiB
C
1495 lines
50 KiB
C
/*
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ctdb database library
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Copyright (C) Andrew Tridgell 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _CTDB_PRIVATE_H
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#define _CTDB_PRIVATE_H
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#include "ctdb_client.h"
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#include <sys/socket.h>
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/*
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recovery daemon memdump reply address
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*/
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struct rd_memdump_reply {
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uint32_t pnn;
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uint64_t srvid;
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};
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/*
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description for a TAKEOVER_RUN message reply address
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*/
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struct takeover_run_reply {
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uint32_t pnn;
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uint64_t srvid;
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};
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/*
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* pid of the ctdbd daemon
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*/
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extern pid_t ctdbd_pid;
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/*
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a tcp connection description
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also used by tcp_add and tcp_remove controls
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*/
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struct ctdb_tcp_connection {
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ctdb_sock_addr src_addr;
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ctdb_sock_addr dst_addr;
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};
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/* the wire representation for a tcp tickle array */
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struct ctdb_tcp_wire_array {
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uint32_t num;
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struct ctdb_tcp_connection connections[1];
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};
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/* the list of tcp tickles used by get/set tcp tickle list */
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struct ctdb_control_tcp_tickle_list {
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ctdb_sock_addr addr;
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struct ctdb_tcp_wire_array tickles;
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};
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/*
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array of tcp connections
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*/
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struct ctdb_tcp_array {
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uint32_t num;
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struct ctdb_tcp_connection *connections;
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};
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/* all tunable variables go in here */
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struct ctdb_tunable {
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uint32_t max_redirect_count;
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uint32_t seqnum_interval; /* unit is ms */
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uint32_t control_timeout;
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uint32_t traverse_timeout;
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uint32_t keepalive_interval;
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uint32_t keepalive_limit;
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uint32_t recover_timeout;
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uint32_t recover_interval;
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uint32_t election_timeout;
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uint32_t takeover_timeout;
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uint32_t monitor_interval;
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uint32_t tickle_update_interval;
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uint32_t script_timeout;
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uint32_t script_timeout_count; /* allow dodgy scripts to hang this many times in a row before we mark the node unhealthy */
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uint32_t script_unhealthy_on_timeout; /* obsolete */
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uint32_t recovery_grace_period;
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uint32_t recovery_ban_period;
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uint32_t database_hash_size;
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uint32_t database_max_dead;
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uint32_t rerecovery_timeout;
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uint32_t enable_bans;
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uint32_t deterministic_public_ips;
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uint32_t reclock_ping_period;
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uint32_t no_ip_failback;
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uint32_t disable_ip_failover;
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uint32_t verbose_memory_names;
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uint32_t recd_ping_timeout;
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uint32_t recd_ping_failcount;
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uint32_t log_latency_ms;
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uint32_t reclock_latency_ms;
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uint32_t recovery_drop_all_ips;
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uint32_t verify_recovery_lock;
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uint32_t vacuum_interval;
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uint32_t vacuum_default_interval;
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uint32_t vacuum_max_run_time;
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uint32_t repack_limit;
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uint32_t vacuum_limit;
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uint32_t vacuum_min_interval;
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uint32_t vacuum_max_interval;
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uint32_t max_queue_depth_drop_msg;
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uint32_t use_status_events_for_monitoring;
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uint32_t allow_unhealthy_db_read;
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uint32_t stat_history_interval;
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uint32_t deferred_attach_timeout;
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uint32_t vacuum_fast_path_count;
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uint32_t lcp2_public_ip_assignment;
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uint32_t allow_client_db_attach;
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uint32_t recover_pdb_by_seqnum;
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uint32_t deferred_rebalance_on_node_add;
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uint32_t fetch_collapse;
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uint32_t max_lacount;
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uint32_t hopcount_make_sticky;
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uint32_t sticky_duration;
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uint32_t sticky_pindown;
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uint32_t no_ip_takeover;
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uint32_t db_record_count_warn;
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uint32_t db_record_size_warn;
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uint32_t db_size_warn;
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uint32_t pulldb_preallocation_size;
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};
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/*
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an installed ctdb remote call
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*/
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struct ctdb_registered_call {
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struct ctdb_registered_call *next, *prev;
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uint32_t id;
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ctdb_fn_t fn;
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};
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/*
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this address structure might need to be generalised later for some
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transports
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*/
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struct ctdb_address {
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const char *address;
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int port;
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};
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/*
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check that a pnn is valid
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*/
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#define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
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/* called from the queue code when a packet comes in. Called with data==NULL
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on error */
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typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
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void *private_data);
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/* used for callbacks in ctdb_control requests */
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typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
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int32_t status, TDB_DATA data,
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const char *errormsg,
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void *private_data);
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/*
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structure describing a connected client in the daemon
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*/
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struct ctdb_client {
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struct ctdb_context *ctdb;
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int fd;
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struct ctdb_queue *queue;
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uint32_t client_id;
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pid_t pid;
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struct ctdb_tcp_list *tcp_list;
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uint32_t db_id;
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uint32_t num_persistent_updates;
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struct ctdb_client_notify_list *notify;
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};
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struct ctdb_iface;
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/* state associated with a public ip address */
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struct ctdb_vnn {
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struct ctdb_vnn *prev, *next;
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struct ctdb_iface *iface;
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const char **ifaces;
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ctdb_sock_addr public_address;
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uint8_t public_netmask_bits;
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/* the node number that is serving this public address, if any.
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If no node serves this ip it is set to -1 */
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int32_t pnn;
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/* List of clients to tickle for this public address */
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struct ctdb_tcp_array *tcp_array;
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/* whether we need to update the other nodes with changes to our list
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of connected clients */
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bool tcp_update_needed;
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/* a context to hang sending gratious arp events off */
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TALLOC_CTX *takeover_ctx;
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struct ctdb_kill_tcp *killtcp;
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};
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/*
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state associated with one node
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*/
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struct ctdb_node {
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struct ctdb_context *ctdb;
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struct ctdb_address address;
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const char *name; /* for debug messages */
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void *private_data; /* private to transport */
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uint32_t pnn;
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uint32_t flags;
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/* used by the dead node monitoring */
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uint32_t dead_count;
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uint32_t rx_cnt;
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uint32_t tx_cnt;
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/* used to track node capabilities, is only valid/tracked inside the
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recovery daemon.
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*/
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uint32_t capabilities;
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/* a list of controls pending to this node, so we can time them out quickly
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if the node becomes disconnected */
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struct daemon_control_state *pending_controls;
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/* used by the recovery daemon when distributing ip addresses
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across the nodes. it needs to know which public ip's can be handled
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by each node.
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*/
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struct ctdb_all_public_ips *known_public_ips;
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struct ctdb_all_public_ips *available_public_ips;
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/* used by the recovery dameon to track when a node should be banned */
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struct ctdb_banning_state *ban_state;
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};
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/*
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transport specific methods
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*/
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struct ctdb_methods {
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int (*initialise)(struct ctdb_context *); /* initialise transport structures */
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int (*start)(struct ctdb_context *); /* start the transport */
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int (*add_node)(struct ctdb_node *); /* setup a new node */
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int (*connect_node)(struct ctdb_node *); /* connect to node */
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int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
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void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
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void (*shutdown)(struct ctdb_context *); /* shutdown transport */
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void (*restart)(struct ctdb_node *); /* stop and restart the connection */
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};
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/*
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transport calls up to the ctdb layer
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*/
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struct ctdb_upcalls {
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/* recv_pkt is called when a packet comes in */
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void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
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/* node_dead is called when an attempt to send to a node fails */
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void (*node_dead)(struct ctdb_node *);
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/* node_connected is called when a connection to a node is established */
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void (*node_connected)(struct ctdb_node *);
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};
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/* list of message handlers - needs to be changed to a more efficient data
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structure so we can find a message handler given a srvid quickly */
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struct ctdb_message_list {
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struct ctdb_context *ctdb;
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struct ctdb_message_list *next, *prev;
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uint64_t srvid;
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ctdb_msg_fn_t message_handler;
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void *message_private;
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};
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/* additional data required for the daemon mode */
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struct ctdb_daemon_data {
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int sd;
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char *name;
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struct ctdb_queue *queue;
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};
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#define CTDB_UPDATE_STAT(ctdb, counter, value) \
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{ \
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if (value > ctdb->statistics.counter) { \
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ctdb->statistics.counter = c->hopcount; \
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} \
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if (value > ctdb->statistics_current.counter) { \
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ctdb->statistics_current.counter = c->hopcount; \
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} \
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}
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#define CTDB_INCREMENT_STAT(ctdb, counter) \
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{ \
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ctdb->statistics.counter++; \
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ctdb->statistics_current.counter++; \
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}
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#define CTDB_INCREMENT_DB_STAT(ctdb_db, counter) \
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{ \
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ctdb_db->statistics.counter++; \
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}
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#define CTDB_DECREMENT_STAT(ctdb, counter) \
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{ \
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if (ctdb->statistics.counter > 0) \
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ctdb->statistics.counter--; \
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if (ctdb->statistics_current.counter > 0) \
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ctdb->statistics_current.counter--; \
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}
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#define CTDB_UPDATE_RECLOCK_LATENCY(ctdb, name, counter, value) \
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{ \
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if (value > ctdb->statistics.counter.max) \
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ctdb->statistics.counter.max = value; \
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if (value > ctdb->statistics_current.counter.max) \
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ctdb->statistics_current.counter.max = value; \
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\
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if (ctdb->statistics.counter.num == 0 || value < ctdb->statistics.counter.min) \
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ctdb->statistics.counter.min = value; \
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if (ctdb->statistics_current.counter.num == 0 || value < ctdb->statistics_current.counter.min) \
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ctdb->statistics_current.counter.min = value; \
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\
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ctdb->statistics.counter.total += value; \
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ctdb->statistics_current.counter.total += value; \
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\
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ctdb->statistics.counter.num++; \
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ctdb->statistics_current.counter.num++; \
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\
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if (ctdb->tunable.reclock_latency_ms != 0) { \
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if (value*1000 > ctdb->tunable.reclock_latency_ms) { \
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DEBUG(DEBUG_ERR, ("High RECLOCK latency %fs for operation %s\n", value, name)); \
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} \
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} \
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}
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#define CTDB_UPDATE_LATENCY(ctdb, db, operation, counter, t) \
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{ \
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double l = timeval_elapsed(&t); \
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\
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if (l > ctdb->statistics.counter.max) \
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ctdb->statistics.counter.max = l; \
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if (l > ctdb->statistics_current.counter.max) \
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ctdb->statistics_current.counter.max = l; \
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\
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if (ctdb->statistics.counter.num == 0 || l < ctdb->statistics.counter.min) \
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ctdb->statistics.counter.min = l; \
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if (ctdb->statistics_current.counter.num == 0 || l < ctdb->statistics_current.counter.min) \
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ctdb->statistics_current.counter.min = l; \
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\
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ctdb->statistics.counter.total += l; \
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ctdb->statistics_current.counter.total += l; \
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\
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ctdb->statistics.counter.num++; \
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ctdb->statistics_current.counter.num++; \
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\
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if (ctdb->tunable.log_latency_ms !=0) { \
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if (l*1000 > ctdb->tunable.log_latency_ms) { \
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DEBUG(DEBUG_WARNING, ("High latency %.6fs for operation %s on database %s\n", l, operation, db->db_name));\
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} \
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} \
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}
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/* a structure that contains the elements required for the write record
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control
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*/
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struct ctdb_write_record {
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uint32_t dbid;
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uint32_t keylen;
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uint32_t datalen;
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unsigned char blob[1];
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};
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enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
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#define CTDB_MONITORING_ACTIVE 0
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#define CTDB_MONITORING_DISABLED 1
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#define NUM_DB_PRIORITIES 3
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/* main state of the ctdb daemon */
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struct ctdb_context {
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struct tevent_context *ev;
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struct timeval ctdbd_start_time;
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struct timeval last_recovery_started;
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struct timeval last_recovery_finished;
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uint32_t recovery_mode;
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TALLOC_CTX *tickle_update_context;
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TALLOC_CTX *keepalive_ctx;
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TALLOC_CTX *check_public_ifaces_ctx;
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struct ctdb_tunable tunable;
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enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
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struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
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bool freeze_transaction_started;
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uint32_t freeze_transaction_id;
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struct ctdb_address address;
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const char *name;
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const char *db_directory;
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const char *db_directory_persistent;
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const char *db_directory_state;
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struct tdb_wrap *db_persistent_health;
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uint32_t db_persistent_startup_generation;
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uint64_t db_persistent_check_errors;
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uint64_t max_persistent_check_errors;
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const char *transport;
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char *recovery_lock_file;
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int recovery_lock_fd;
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uint32_t pnn; /* our own pnn */
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uint32_t num_nodes;
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uint32_t num_connected;
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unsigned flags;
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uint32_t capabilities;
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struct idr_context *idr;
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int lastid;
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struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
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struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
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struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
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struct ctdb_iface *ifaces; /* list of local interfaces */
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char *err_msg;
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const struct ctdb_methods *methods; /* transport methods */
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const struct ctdb_upcalls *upcalls; /* transport upcalls */
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void *private_data; /* private to transport */
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struct ctdb_db_context *db_list;
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struct ctdb_message_list *message_list;
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struct ctdb_daemon_data daemon;
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struct ctdb_statistics statistics;
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struct ctdb_statistics statistics_current;
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#define MAX_STAT_HISTORY 100
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struct ctdb_statistics statistics_history[MAX_STAT_HISTORY];
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struct ctdb_vnn_map *vnn_map;
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uint32_t num_clients;
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uint32_t recovery_master;
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struct ctdb_call_state *pending_calls;
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struct ctdb_client_ip *client_ip_list;
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bool do_checkpublicip;
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struct trbt_tree *server_ids;
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bool do_setsched;
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void *saved_scheduler_param;
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const char *event_script_dir;
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const char *debug_hung_script;
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const char *notification_script;
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const char *default_public_interface;
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pid_t ctdbd_pid;
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pid_t recoverd_pid;
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pid_t syslogd_pid;
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bool done_startup;
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const char *node_ip;
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struct ctdb_monitor_state *monitor;
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struct ctdb_log_state *log;
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int start_as_disabled;
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int start_as_stopped;
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bool valgrinding;
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uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
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uint32_t *recd_ping_count;
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TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
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TALLOC_CTX *event_script_ctx;
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struct ctdb_event_script_state *current_monitor;
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struct ctdb_scripts_wire *last_status[CTDB_EVENT_MAX];
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TALLOC_CTX *banning_ctx;
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struct ctdb_vacuum_child_context *vacuumers;
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/* mapping from pid to ctdb_client * */
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struct ctdb_client_pid_list *client_pids;
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/* used in the recovery daemon to remember the ip allocation */
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struct trbt_tree *ip_tree;
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|
|
/* Used to defer db attach requests while in recovery mode */
|
|
struct ctdb_deferred_attach_context *deferred_attach;
|
|
|
|
/* if we are a child process, do we have a domain socket to send controls on */
|
|
bool can_send_controls;
|
|
|
|
/* list of event script callback functions that are active */
|
|
struct event_script_callback *script_callbacks;
|
|
|
|
struct ctdb_reloadips_handle *reload_ips;
|
|
|
|
const char *public_addresses_file;
|
|
struct trbt_tree *child_processes;
|
|
TALLOC_CTX *debug_hung_script_ctx;
|
|
};
|
|
|
|
struct ctdb_db_context {
|
|
struct ctdb_db_context *next, *prev;
|
|
struct ctdb_context *ctdb;
|
|
uint32_t db_id;
|
|
uint32_t priority;
|
|
bool persistent;
|
|
bool readonly; /* Do we support read-only delegations ? */
|
|
bool sticky; /* Do we support sticky records ? */
|
|
const char *db_name;
|
|
const char *db_path;
|
|
struct tdb_wrap *ltdb;
|
|
struct tdb_context *rottdb; /* ReadOnly tracking TDB */
|
|
struct ctdb_registered_call *calls; /* list of registered calls */
|
|
uint32_t seqnum;
|
|
struct timed_event *seqnum_update;
|
|
struct ctdb_traverse_local_handle *traverse;
|
|
bool transaction_active;
|
|
struct ctdb_vacuum_handle *vacuum_handle;
|
|
char *unhealthy_reason;
|
|
int pending_requests;
|
|
struct lockwait_handle *lockwait_active;
|
|
struct lockwait_handle *lockwait_overflow;
|
|
struct revokechild_handle *revokechild_active;
|
|
struct ctdb_persistent_state *persistent_state;
|
|
struct trbt_tree *delete_queue;
|
|
struct trbt_tree *sticky_records;
|
|
int (*ctdb_ltdb_store_fn)(struct ctdb_db_context *ctdb_db,
|
|
TDB_DATA key,
|
|
struct ctdb_ltdb_header *header,
|
|
TDB_DATA data);
|
|
|
|
/* used to track which records we are currently fetching
|
|
so we can avoid sending duplicate fetch requests
|
|
*/
|
|
struct trbt_tree *deferred_fetch;
|
|
|
|
struct ctdb_db_statistics statistics;
|
|
};
|
|
|
|
|
|
#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)
|
|
|
|
/*
|
|
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];
|
|
};
|
|
|
|
/*
|
|
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;
|
|
};
|
|
|
|
/* 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);
|
|
int ctdb_ltdb_delete(struct ctdb_db_context *ctdb_db, TDB_DATA key);
|
|
int ctdb_ltdb_fetch_with_header(struct ctdb_db_context *ctdb_db,
|
|
TDB_DATA key, struct ctdb_ltdb_header *header,
|
|
TALLOC_CTX *mem_ctx, 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, const char *fmt, ...)
|
|
PRINTF_ATTRIBUTE(7,8);
|
|
|
|
/*
|
|
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)
|
|
|
|
int ctdb_queue_length(struct ctdb_queue *queue);
|
|
|
|
/*
|
|
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_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, bool updatetdb, 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_client_read_cb(uint8_t *data, size_t cnt, void *args);
|
|
|
|
#define CTDB_BAD_REQID ((uint32_t)-1)
|
|
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, uint32_t client_id,
|
|
struct ctdb_req_control *c,
|
|
bool *async_reply);
|
|
|
|
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)
|
|
|
|
#define CHECK_CONTROL_MIN_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);
|
|
|
|
|
|
/* 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];
|
|
};
|
|
|
|
|
|
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_ext(struct ctdb_context *ctdb,
|
|
TDB_DATA indata,
|
|
TDB_DATA *outdata,
|
|
uint32_t srcnode,
|
|
uint32_t client_id);
|
|
int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
|
|
TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
|
|
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);
|
|
int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
|
|
TDB_DATA *outdata, uint32_t srcnode);
|
|
|
|
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);
|
|
int daemon_check_srvids(struct ctdb_context *ctdb, TDB_DATA indata,
|
|
TDB_DATA *outdata);
|
|
|
|
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);
|
|
|
|
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, uint32_t priority);
|
|
|
|
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);
|
|
|
|
struct tevent_signal *ctdb_init_sigchld(struct ctdb_context *ctdb);
|
|
pid_t ctdb_fork(struct ctdb_context *ctdb);
|
|
int ctdb_kill(struct ctdb_context *ctdb, pid_t pid, int signum);
|
|
|
|
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;
|
|
};
|
|
|
|
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];
|
|
};
|
|
|
|
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);
|
|
#define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000
|
|
int ctdb_ctrl_get_public_ips_flags(struct ctdb_context *ctdb,
|
|
struct timeval timeout, uint32_t destnode,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint32_t flags,
|
|
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);
|
|
|
|
struct ctdb_control_iface_info {
|
|
char name[CTDB_IFACE_SIZE+2];
|
|
uint16_t link_state;
|
|
uint32_t references;
|
|
};
|
|
|
|
struct ctdb_control_public_ip_info {
|
|
struct ctdb_public_ip ip;
|
|
uint32_t active_idx;
|
|
uint32_t num;
|
|
struct ctdb_control_iface_info ifaces[1];
|
|
};
|
|
|
|
struct ctdb_control_get_ifaces {
|
|
uint32_t num;
|
|
struct ctdb_control_iface_info ifaces[1];
|
|
};
|
|
|
|
int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
|
|
struct ctdb_req_control *c,
|
|
TDB_DATA indata,
|
|
TDB_DATA *outdata);
|
|
int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
|
|
struct ctdb_req_control *c,
|
|
TDB_DATA *outdata);
|
|
int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
|
|
struct ctdb_req_control *c,
|
|
TDB_DATA indata);
|
|
int ctdb_ctrl_get_public_ip_info(struct ctdb_context *ctdb,
|
|
struct timeval timeout, uint32_t destnode,
|
|
TALLOC_CTX *mem_ctx,
|
|
const ctdb_sock_addr *addr,
|
|
struct ctdb_control_public_ip_info **info);
|
|
int ctdb_ctrl_get_ifaces(struct ctdb_context *ctdb,
|
|
struct timeval timeout, uint32_t destnode,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct ctdb_control_get_ifaces **ifaces);
|
|
int ctdb_ctrl_set_iface_link(struct ctdb_context *ctdb,
|
|
struct timeval timeout, uint32_t destnode,
|
|
TALLOC_CTX *mem_ctx,
|
|
const struct ctdb_control_iface_info *info);
|
|
|
|
/* from takeover/system.c */
|
|
uint32_t uint16_checksum(uint16_t *data, size_t n);
|
|
int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
|
|
bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
|
|
char *ctdb_sys_find_ifname(ctdb_sock_addr *addr);
|
|
bool ctdb_sys_check_iface_exists(const char *iface);
|
|
int ctdb_get_peer_pid(const int fd, pid_t *peer_pid);
|
|
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, bool check_addresses);
|
|
int ctdb_set_single_public_ip(struct ctdb_context *ctdb,
|
|
const char *iface,
|
|
const char *ip);
|
|
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_set_debug_hung_script(struct ctdb_context *ctdb, const char *script);
|
|
int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
|
|
void lcp2_forcerebalance(struct ctdb_context *ctdb, uint32_t pnn);
|
|
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, bool tcp_update_needed);
|
|
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, enum ctdb_eventscript_call call);
|
|
int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
|
|
const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
|
|
int ctdb_event_script_callback(struct ctdb_context *ctdb,
|
|
TALLOC_CTX *mem_ctx,
|
|
void (*callback)(struct ctdb_context *, int, void *),
|
|
void *private_data,
|
|
bool from_user,
|
|
enum ctdb_eventscript_call call,
|
|
const char *fmt, ...) PRINTF_ATTRIBUTE(7,8);
|
|
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);
|
|
|
|
int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
|
|
|
|
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, unsigned port, 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_databases(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_trans3_commit(struct ctdb_context *ctdb,
|
|
struct ctdb_req_control *c,
|
|
TDB_DATA recdata, bool *async_reply);
|
|
|
|
void ctdb_persistent_finish_trans3_commits(struct ctdb_context *ctdb);
|
|
|
|
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_transaction_cancel(struct ctdb_context *ctdb);
|
|
int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
|
|
int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb, TDB_DATA indata);
|
|
int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
|
|
TDB_DATA indata,
|
|
TDB_DATA *outdata);
|
|
|
|
|
|
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);
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int ctdb_set_child_logging(struct ctdb_context *ctdb);
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void ctdb_lockdown_memory(struct ctdb_context *ctdb);
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typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
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struct client_async_data {
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enum ctdb_controls opcode;
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bool dont_log_errors;
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uint32_t count;
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uint32_t fail_count;
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client_async_callback callback;
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client_async_callback fail_callback;
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void *callback_data;
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};
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void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
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int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
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int ctdb_client_async_control(struct ctdb_context *ctdb,
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enum ctdb_controls opcode,
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uint32_t *nodes,
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uint64_t srvid,
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struct timeval timeout,
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bool dont_log_errors,
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TDB_DATA data,
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client_async_callback client_callback,
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client_async_callback fail_callback,
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void *callback_data);
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void ctdb_load_nodes_file(struct ctdb_context *ctdb);
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int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
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int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
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int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
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int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
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struct ctdb_req_control *c);
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int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
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struct ctdb_req_control *c);
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int32_t ctdb_control_trans2_active(struct ctdb_context *ctdb,
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struct ctdb_req_control *c,
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uint32_t db_id);
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char *ctdb_addr_to_str(ctdb_sock_addr *addr);
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unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
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void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
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int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
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int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
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extern int script_log_level;
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extern bool fast_start;
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int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
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uint32_t call_type,
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TDB_DATA *outdata);
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int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
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int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
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int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
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int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
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void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
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int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
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int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
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int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
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int32_t ctdb_local_node_got_banned(struct ctdb_context *ctdb);
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|
int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
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|
int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
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|
int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);
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|
void ctdb_ban_self(struct ctdb_context *ctdb);
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|
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int32_t ctdb_control_register_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
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int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
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|
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int start_syslog_daemon(struct ctdb_context *ctdb);
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|
|
|
/* Where to send the log messages back to */
|
|
struct ctdb_get_log_addr {
|
|
uint32_t pnn;
|
|
uint64_t srvid;
|
|
int32_t level;
|
|
};
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|
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|
extern int log_ringbuf_size;
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|
|
|
int32_t ctdb_control_get_log(struct ctdb_context *ctdb, TDB_DATA addr);
|
|
int32_t ctdb_control_clear_log(struct ctdb_context *ctdb);
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|
|
|
|
|
struct ctdb_log_state *ctdb_fork_with_logging(TALLOC_CTX *mem_ctx,
|
|
struct ctdb_context *ctdb,
|
|
const char *log_prefix,
|
|
void (*logfn)(const char *, uint16_t, void *),
|
|
void *logfn_private, pid_t *pid);
|
|
|
|
int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
|
|
struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb, pid_t pid);
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|
|
|
int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
|
|
TDB_DATA indata,
|
|
TDB_DATA *outdata);
|
|
|
|
int ctdb_load_persistent_health(struct ctdb_context *ctdb,
|
|
struct ctdb_db_context *ctdb_db);
|
|
int ctdb_update_persistent_health(struct ctdb_context *ctdb,
|
|
struct ctdb_db_context *ctdb_db,
|
|
const char *reason,/* NULL means healthy */
|
|
int num_healthy_nodes);
|
|
int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
|
|
|
|
void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
|
|
|
|
void ctdb_fault_setup(void);
|
|
|
|
int verify_remote_ip_allocation(struct ctdb_context *ctdb,
|
|
struct ctdb_all_public_ips *ips);
|
|
int update_ip_assignment_tree(struct ctdb_context *ctdb,
|
|
struct ctdb_public_ip *ip);
|
|
|
|
int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
|
|
|
|
int ctdb_statistics_init(struct ctdb_context *ctdb);
|
|
|
|
int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
|
|
struct ctdb_req_control *c,
|
|
TDB_DATA *outdata);
|
|
|
|
int ctdb_deferred_drop_all_ips(struct ctdb_context *ctdb);
|
|
|
|
int ctdb_process_deferred_attach(struct ctdb_context *ctdb);
|
|
|
|
/**
|
|
* structure to pass to a schedule_for_deletion_control
|
|
*/
|
|
struct ctdb_control_schedule_for_deletion {
|
|
uint32_t db_id;
|
|
struct ctdb_ltdb_header hdr;
|
|
uint32_t keylen;
|
|
uint8_t key[1]; /* key[] */
|
|
};
|
|
|
|
int32_t ctdb_control_schedule_for_deletion(struct ctdb_context *ctdb,
|
|
TDB_DATA indata);
|
|
|
|
|
|
int32_t ctdb_local_schedule_for_deletion(struct ctdb_db_context *ctdb_db,
|
|
const struct ctdb_ltdb_header *hdr,
|
|
TDB_DATA key);
|
|
|
|
void ctdb_local_remove_from_delete_queue(struct ctdb_db_context *ctdb_db,
|
|
const struct ctdb_ltdb_header *hdr,
|
|
const TDB_DATA key);
|
|
|
|
struct ctdb_ltdb_header *ctdb_header_from_record_handle(struct ctdb_record_handle *h);
|
|
|
|
/* For unit testing ctdb_transaction.c. */
|
|
struct ctdb_public_ip_list {
|
|
struct ctdb_public_ip_list *next;
|
|
uint32_t pnn;
|
|
ctdb_sock_addr addr;
|
|
};
|
|
int ctdb_trackingdb_add_pnn(struct ctdb_context *ctdb, TDB_DATA *data, uint32_t pnn);
|
|
|
|
typedef void (*ctdb_trackingdb_cb)(struct ctdb_context *ctdb, uint32_t pnn, void *private_data);
|
|
|
|
void ctdb_trackingdb_traverse(struct ctdb_context *ctdb, TDB_DATA data, ctdb_trackingdb_cb cb, void *private_data);
|
|
|
|
int ctdb_start_revoke_ro_record(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db, TDB_DATA key, struct ctdb_ltdb_header *header, TDB_DATA data);
|
|
|
|
typedef void (*deferred_requeue_fn)(void *call_context, struct ctdb_req_header *hdr);
|
|
|
|
int ctdb_add_revoke_deferred_call(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db, TDB_DATA key, struct ctdb_req_header *hdr, deferred_requeue_fn fn, void *call_context);
|
|
|
|
int ctdb_set_db_readonly(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db);
|
|
|
|
int ctdb_null_func(struct ctdb_call_info *call);
|
|
|
|
int ctdb_fetch_func(struct ctdb_call_info *call);
|
|
|
|
int ctdb_fetch_with_header_func(struct ctdb_call_info *call);
|
|
|
|
int32_t ctdb_control_get_db_statistics(struct ctdb_context *ctdb,
|
|
uint32_t db_id,
|
|
TDB_DATA *outdata);
|
|
|
|
int ctdb_set_db_sticky(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db);
|
|
|
|
/*
|
|
description for a message to reload all ips via recovery master/daemon
|
|
*/
|
|
struct reloadips_all_reply {
|
|
uint32_t pnn;
|
|
uint64_t srvid;
|
|
};
|
|
|
|
int32_t ctdb_control_reload_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
|
|
|
|
int ctdb_start_monitoring_interfaces(struct ctdb_context *ctdb);
|
|
|
|
#endif
|