#include "ctdb_client.h"
#include <sys/socket.h>
+#include "common/db_hash.h"
+
/*
array of tcp connections
*/
struct ctdb_tcp_array {
uint32_t num;
- struct ctdb_tcp_connection *connections;
+ struct ctdb_connection *connections;
};
/*
*/
#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,
struct ctdb_client_notify_list *notify;
};
-/* state associated with a public ip address */
-struct ctdb_vnn {
- struct ctdb_vnn *prev, *next;
-
- struct ctdb_iface *iface;
- const char **ifaces;
- 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;
-
- /* Set to true any time an update to this VNN is in flight.
- This helps to avoid races. */
- bool update_in_flight;
-
- /* If CTDB_CONTROL_DEL_PUBLIC_IP is received for this IP
- * address then this flag is set. It will be deleted in the
- * release IP callback. */
- bool delete_pending;
-};
-
/*
state associated with one node
*/
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 *known_public_ips;
- struct ctdb_all_public_ips *available_public_ips;
/* used by the recovery dameon to track when a node should be banned */
struct ctdb_banning_state *ban_state;
};
#define CTDB_UPDATE_STAT(ctdb, counter, value) \
{ \
if (value > ctdb->statistics.counter) { \
- ctdb->statistics.counter = c->hopcount; \
+ ctdb->statistics.counter = value; \
} \
if (value > ctdb->statistics_current.counter) { \
- ctdb->statistics_current.counter = c->hopcount; \
+ ctdb->statistics_current.counter = value; \
} \
}
}
+struct ctdb_cluster_mutex_handle;
+struct eventd_context;
+
enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
-#define NUM_DB_PRIORITIES 3
/* main state of the ctdb daemon */
struct ctdb_context {
struct tevent_context *ev;
TALLOC_CTX *tickle_update_context;
TALLOC_CTX *keepalive_ctx;
TALLOC_CTX *check_public_ifaces_ctx;
- struct ctdb_tunable tunable;
- enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
- struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
+ struct ctdb_tunable_list tunable;
+ enum ctdb_freeze_mode freeze_mode;
+ struct ctdb_freeze_handle *freeze_handle;
bool freeze_transaction_started;
uint32_t freeze_transaction_id;
ctdb_sock_addr *address;
uint64_t db_persistent_check_errors;
uint64_t max_persistent_check_errors;
const char *transport;
- char *recovery_lock_file;
- int recovery_lock_fd;
+ const char *recovery_lock;
uint32_t pnn; /* our own pnn */
uint32_t num_nodes;
uint32_t num_connected;
struct reqid_context *idr;
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 */
- struct ctdb_iface *ifaces; /* list of local interfaces */
+ struct ctdb_interface *ifaces; /* list of local interfaces */
char *err_msg;
const struct ctdb_methods *methods; /* transport methods */
const struct ctdb_upcalls *upcalls; /* transport upcalls */
uint32_t recovery_master;
struct ctdb_client_ip *client_ip_list;
bool do_checkpublicip;
- struct trbt_tree *server_ids;
bool do_setsched;
const char *event_script_dir;
const char *notification_script;
int start_as_disabled;
int start_as_stopped;
bool valgrinding;
- uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
uint32_t *recd_ping_count;
TALLOC_CTX *recd_ctx; /* a context used to track recoverd monitoring events */
TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
- TALLOC_CTX *event_script_ctx;
- int active_events;
-
- struct ctdb_event_script_state *current_monitor;
- struct ctdb_script_list_old *last_status[CTDB_EVENT_MAX];
+ struct eventd_context *ectx;
TALLOC_CTX *banning_ctx;
/* mapping from pid to ctdb_client * */
struct ctdb_client_pid_list *client_pids;
- /* used in the recovery daemon to remember the ip allocation */
- struct trbt_tree *ip_tree;
-
/* 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 *nodes_file;
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 ? */
struct trbt_tree *deferred_fetch;
struct trbt_tree *defer_dmaster;
- struct ctdb_db_statistics statistics;
+ struct ctdb_db_statistics_old statistics;
struct lock_context *lock_current;
struct lock_context *lock_pending;
int lock_num_current;
+ struct db_hash_context *lock_log;
struct ctdb_call_state *pending_calls;
bool freeze_transaction_started;
uint32_t freeze_transaction_id;
uint32_t generation;
+
+ bool push_started;
+ void *push_state;
+
+ struct hash_count_context *migratedb;
};
int ctdb_daemon_call_recv(struct ctdb_call_state *state,
struct ctdb_call *call);
-void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
-
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 key, struct ctdb_req_header *hdr,
deferred_requeue_fn fn, void *call_context);
+int ctdb_migration_init(struct ctdb_db_context *ctdb_db);
+
/* from server/ctdb_control.c */
int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
void ctdb_shutdown_sequence(struct ctdb_context *ctdb, int exit_code);
+int switch_from_server_to_client(struct ctdb_context *ctdb);
+
+/* From server/ctdb_fork.c */
+
+void ctdb_track_child(struct ctdb_context *ctdb, pid_t pid);
+
+pid_t ctdb_fork(struct ctdb_context *ctdb);
+pid_t ctdb_vfork_exec(TALLOC_CTX *mem_ctx, struct ctdb_context *ctdb,
+ const char *helper, int helper_argc,
+ const char **helper_argv);
+
+struct tevent_signal *ctdb_init_sigchld(struct ctdb_context *ctdb);
+
+int ctdb_kill(struct ctdb_context *ctdb, pid_t pid, int signum);
+
/* from server/ctdb_freeze.c */
int32_t ctdb_control_db_freeze(struct ctdb_context *ctdb,
int32_t ctdb_control_freeze(struct ctdb_context *ctdb,
struct ctdb_req_control_old *c, bool *async_reply);
-int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority,
- bool check_recmode);
+int32_t ctdb_control_thaw(struct ctdb_context *ctdb, bool check_recmode);
bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
int32_t ctdb_control_db_transaction_commit(struct ctdb_context *ctdb,
TDB_DATA indata);
-int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
-int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
-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);
bool ctdb_db_frozen(struct ctdb_db_context *ctdb_db);
-bool ctdb_db_prio_frozen(struct ctdb_context *ctdb, uint32_t priority);
bool ctdb_db_all_frozen(struct ctdb_context *ctdb);
/* from server/ctdb_keepalive.c */
void ctdb_start_keepalive(struct ctdb_context *ctdb);
void ctdb_stop_keepalive(struct ctdb_context *ctdb);
+void ctdb_request_keepalive(struct ctdb_context *ctdb,
+ struct ctdb_req_header *hdr);
+
/* from server/ctdb_lock.c */
struct lock_request;
typedef int (*ctdb_db_handler_t)(struct ctdb_db_context *ctdb_db,
void *private_data);
-int ctdb_db_prio_iterator(struct ctdb_context *ctdb, uint32_t priority,
- ctdb_db_handler_t handler, void *private_data);
int ctdb_db_iterator(struct ctdb_context *ctdb, ctdb_db_handler_t handler,
void *private_data);
int ctdb_lockdb_mark(struct ctdb_db_context *ctdb_db);
-int ctdb_lockall_mark_prio(struct ctdb_context *ctdb, uint32_t priority);
int ctdb_lockdb_unmark(struct ctdb_db_context *ctdb_db);
-int ctdb_lockall_unmark_prio(struct ctdb_context *ctdb, uint32_t priority);
struct lock_request *ctdb_lock_record(TALLOC_CTX *mem_ctx,
struct ctdb_db_context *ctdb_db,
void (*callback)(void *, bool),
void *private_data);
-struct lock_request *ctdb_lock_alldb_prio(TALLOC_CTX *mem_ctx,
- struct ctdb_context *ctdb,
- uint32_t priority,
- bool auto_mark,
- void (*callback)(void *, bool),
- void *private_data);
-
-struct lock_request *ctdb_lock_alldb(TALLOC_CTX *mem_ctx,
- struct ctdb_context *ctdb,
- bool auto_mark,
- void (*callback)(void *, bool),
- void *private_data);
-
/* from ctdb_logging.c */
-typedef int (*ctdb_log_setup_fn_t)(TALLOC_CTX *mem_ctx,
- const char *logging,
- const char *app_name);
-
-void ctdb_log_register_backend(const char *prefix, ctdb_log_setup_fn_t init);
-
-bool ctdb_logging_init(TALLOC_CTX *mem_ctx, const char *logging);
+bool ctdb_logging_init(TALLOC_CTX *mem_ctx, const char *logging,
+ const char *debug_level);
struct ctdb_log_state *ctdb_vfork_with_logging(TALLOC_CTX *mem_ctx,
struct ctdb_context *ctdb,
void *logfn_private, pid_t *pid);
int ctdb_set_child_logging(struct ctdb_context *ctdb);
-int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
/* from ctdb_logging_file.c */
int ctdb_process_deferred_attach(struct ctdb_context *ctdb);
int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
- TDB_DATA *outdata, uint64_t tdb_flags,
+ TDB_DATA *outdata,
bool persistent, uint32_t client_id,
struct ctdb_req_control_old *c,
bool *async_reply);
uint32_t srcnode);
int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
-int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata,
- uint32_t client_id);
-
int ctdb_set_db_sticky(struct ctdb_context *ctdb,
struct ctdb_db_context *ctdb_db);
TDB_DATA *outdata);
int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
+int32_t ctdb_control_db_pull(struct ctdb_context *ctdb,
+ struct ctdb_req_control_old *c,
+ TDB_DATA indata, TDB_DATA *outdata);
+int32_t ctdb_control_db_push_start(struct ctdb_context *ctdb,
+ TDB_DATA indata);
+int32_t ctdb_control_db_push_confirm(struct ctdb_context *ctdb,
+ TDB_DATA indata, TDB_DATA *outdata);
+
int ctdb_deferred_drop_all_ips(struct ctdb_context *ctdb);
int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
TDB_DATA indata, bool *async_reply,
const char **errormsg);
-bool ctdb_recovery_have_lock(struct ctdb_context *ctdb);
-bool ctdb_recovery_lock(struct ctdb_context *ctdb);
-void ctdb_recovery_unlock(struct ctdb_context *ctdb);
-
int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
struct ctdb_req_control_old *c,
bool *async_reply);
int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const ctdb_sock_addr *nodeip);
-int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
-
void ctdb_load_nodes_file(struct ctdb_context *ctdb);
int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
bool *async_reply);
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_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap,
- uint32_t *force_rebalance_nodes,
- client_async_callback fail_callback, void *callback_data);
int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
TDB_DATA indata);
struct ctdb_req_control_old *c,
TDB_DATA indata);
-int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb,
TDB_DATA indata);
int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb,
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,
- struct ctdb_req_control_old *c,
- TDB_DATA recdata, bool *async_reply);
-
-int verify_remote_ip_allocation(struct ctdb_context *ctdb,
- struct ctdb_all_public_ips *ips,
- uint32_t pnn);
-int update_ip_assignment_tree(struct ctdb_context *ctdb,
- struct ctdb_public_ip *ip);
-void clear_ip_assignment_tree(struct ctdb_context *ctdb);
+ TDB_DATA recdata);
int32_t ctdb_control_reload_public_ips(struct ctdb_context *ctdb,
struct ctdb_req_control_old *c,
/* from eventscript.c */
-int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
- uint32_t call_type,
- TDB_DATA *outdata);
+int ctdb_start_eventd(struct ctdb_context *ctdb);
+void ctdb_stop_eventd(struct ctdb_context *ctdb);
int ctdb_event_script_callback(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx,
int ctdb_event_script(struct ctdb_context *ctdb,
enum ctdb_event call);
-int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb,
- struct ctdb_req_control_old *c,
- TDB_DATA data, bool *async_reply);
-
-int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
-int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
-
#endif
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