/* process a control request */ static int32_t ctdb_control_dispatch(struct ctdb_context *ctdb, struct ctdb_req_control_old *c, TDB_DATA indata, TDB_DATA *outdata, uint32_t srcnode, const char **errormsg, bool *async_reply) { uint32_t opcode = c->opcode; uint64_t srvid = c->srvid; uint32_t client_id = c->client_id; switch (opcode) { case CTDB_CONTROL_PROCESS_EXISTS: { CHECK_CONTROL_DATA_SIZE(sizeof(pid_t)); return ctdb_control_process_exists(ctdb, *(pid_t *)indata.dptr); } case CTDB_CONTROL_SET_DEBUG: { CHECK_CONTROL_DATA_SIZE(sizeof(int32_t)); DEBUGLEVEL = *(int32_t *)indata.dptr; return 0; } case CTDB_CONTROL_GET_DEBUG: { CHECK_CONTROL_DATA_SIZE(0); outdata->dptr = (uint8_t *)&(DEBUGLEVEL); outdata->dsize = sizeof(DEBUGLEVEL); return 0; } case CTDB_CONTROL_STATISTICS: { CHECK_CONTROL_DATA_SIZE(0); ctdb->statistics.memory_used = talloc_total_size(NULL); ctdb->statistics.num_clients = ctdb->num_clients; ctdb->statistics.frozen = (ctdb_db_all_frozen(ctdb) ? 1 : 0); ctdb->statistics.recovering = (ctdb->recovery_mode == CTDB_RECOVERY_ACTIVE); ctdb->statistics.statistics_current_time = timeval_current(); outdata->dptr = (uint8_t *)&ctdb->statistics; outdata->dsize = sizeof(ctdb->statistics); return 0; } case CTDB_CONTROL_GET_ALL_TUNABLES: { CHECK_CONTROL_DATA_SIZE(0); outdata->dptr = (uint8_t *)&ctdb->tunable; outdata->dsize = sizeof(ctdb->tunable); return 0; } case CTDB_CONTROL_DUMP_MEMORY: { CHECK_CONTROL_DATA_SIZE(0); return ctdb_dump_memory(ctdb, outdata); } case CTDB_CONTROL_STATISTICS_RESET: { struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(0); ZERO_STRUCT(ctdb->statistics); for (ctdb_db = ctdb->db_list; ctdb_db != NULL; ctdb_db = ctdb_db->next) { ctdb_db_statistics_reset(ctdb_db); } ctdb->statistics.statistics_start_time = timeval_current(); return 0; } case CTDB_CONTROL_GETVNNMAP: return ctdb_control_getvnnmap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_GET_DBMAP: return ctdb_control_getdbmap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_GET_NODEMAPv4: return control_not_implemented("GET_NODEMAPv4", "GET_NODEMAP"); case CTDB_CONTROL_GET_NODEMAP: return ctdb_control_getnodemap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_GET_NODES_FILE: return ctdb_control_getnodesfile(ctdb, opcode, indata, outdata); case CTDB_CONTROL_RELOAD_NODES_FILE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_reload_nodes_file(ctdb, opcode); case CTDB_CONTROL_SET_DB_STICKY: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; return ctdb_set_db_sticky(ctdb, ctdb_db); } case CTDB_CONTROL_SETVNNMAP: return ctdb_control_setvnnmap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_PULL_DB: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_pulldb)); return ctdb_control_pull_db(ctdb, indata, outdata); case CTDB_CONTROL_SET_DMASTER: return control_not_implemented("SET_DMASTER", NULL); case CTDB_CONTROL_PUSH_DB: return ctdb_control_push_db(ctdb, indata); case CTDB_CONTROL_GET_RECMODE: { return ctdb->recovery_mode; } case CTDB_CONTROL_SET_RECMASTER: { return ctdb_control_set_recmaster(ctdb, opcode, indata); } case CTDB_CONTROL_GET_RECMASTER: return ctdb->recovery_master; case CTDB_CONTROL_GET_PID: return getpid(); case CTDB_CONTROL_GET_PNN: return ctdb->pnn; case CTDB_CONTROL_PING: CHECK_CONTROL_DATA_SIZE(0); return ctdb->num_clients; case CTDB_CONTROL_GET_RUNSTATE: CHECK_CONTROL_DATA_SIZE(0); outdata->dptr = (uint8_t *)&ctdb->runstate; outdata->dsize = sizeof(uint32_t); return 0; case CTDB_CONTROL_SET_DB_READONLY: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; return ctdb_set_db_readonly(ctdb, ctdb_db); } case CTDB_CONTROL_GET_DBNAME: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; outdata->dptr = discard_const(ctdb_db->db_name); outdata->dsize = strlen(ctdb_db->db_name)+1; return 0; } case CTDB_CONTROL_GETDBPATH: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; outdata->dptr = discard_const(ctdb_db->db_path); outdata->dsize = strlen(ctdb_db->db_path)+1; return 0; } case CTDB_CONTROL_DB_ATTACH: return ctdb_control_db_attach(ctdb, indata, outdata, srvid, false, client_id, c, async_reply); case CTDB_CONTROL_DB_ATTACH_PERSISTENT: return ctdb_control_db_attach(ctdb, indata, outdata, srvid, true, client_id, c, async_reply); case CTDB_CONTROL_SET_CALL: return control_not_implemented("SET_CALL", NULL); case CTDB_CONTROL_TRAVERSE_START: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_traverse_start)); return ctdb_control_traverse_start(ctdb, indata, outdata, srcnode, client_id); case CTDB_CONTROL_TRAVERSE_START_EXT: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_traverse_start_ext)); return ctdb_control_traverse_start_ext(ctdb, indata, outdata, srcnode, client_id); case CTDB_CONTROL_TRAVERSE_ALL: return ctdb_control_traverse_all(ctdb, indata, outdata); case CTDB_CONTROL_TRAVERSE_ALL_EXT: return ctdb_control_traverse_all_ext(ctdb, indata, outdata); case CTDB_CONTROL_TRAVERSE_DATA: return ctdb_control_traverse_data(ctdb, indata, outdata); case CTDB_CONTROL_TRAVERSE_KILL: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_traverse_start)); return ctdb_control_traverse_kill(ctdb, indata, outdata, srcnode); case CTDB_CONTROL_REGISTER_SRVID: return daemon_register_message_handler(ctdb, client_id, srvid); case CTDB_CONTROL_DEREGISTER_SRVID: return daemon_deregister_message_handler(ctdb, client_id, srvid); case CTDB_CONTROL_CHECK_SRVIDS: return daemon_check_srvids(ctdb, indata, outdata); case CTDB_CONTROL_ENABLE_SEQNUM: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_ltdb_enable_seqnum(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_UPDATE_SEQNUM: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_ltdb_update_seqnum(ctdb, *(uint32_t *)indata.dptr, srcnode); case CTDB_CONTROL_FREEZE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_freeze(ctdb, c, async_reply); case CTDB_CONTROL_THAW: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_thaw(ctdb, (uint32_t)c->srvid, true); case CTDB_CONTROL_SET_RECMODE: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_set_recmode(ctdb, c, indata, async_reply, errormsg); case CTDB_CONTROL_GET_MONMODE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_monitoring_mode(ctdb); case CTDB_CONTROL_ENABLE_MONITOR: CHECK_CONTROL_DATA_SIZE(0); ctdb_enable_monitoring(ctdb); return 0; case CTDB_CONTROL_RUN_EVENTSCRIPTS: return ctdb_run_eventscripts(ctdb, c, indata, async_reply); case CTDB_CONTROL_DISABLE_MONITOR: CHECK_CONTROL_DATA_SIZE(0); ctdb_disable_monitoring(ctdb); return 0; case CTDB_CONTROL_SHUTDOWN: DEBUG(DEBUG_NOTICE,("Received SHUTDOWN command.\n")); ctdb_shutdown_sequence(ctdb, 0); /* In case above returns due to duplicate shutdown */ return 0; case CTDB_CONTROL_TAKEOVER_IPv4: return control_not_implemented("TAKEOVER_IPv4", "TAKEOVER_IP"); case CTDB_CONTROL_TAKEOVER_IP: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_public_ip)); return ctdb_control_takeover_ip(ctdb, c, indata, async_reply); case CTDB_CONTROL_RELEASE_IPv4: return control_not_implemented("RELEASE_IPv4", "RELEASE_IP"); case CTDB_CONTROL_RELEASE_IP: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_public_ip)); return ctdb_control_release_ip(ctdb, c, indata, async_reply); case CTDB_CONTROL_IPREALLOCATED: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_ipreallocated(ctdb, c, async_reply); case CTDB_CONTROL_GET_PUBLIC_IPSv4: return control_not_implemented("GET_PUBLIC_IPSv4", "GET_PUBLIC_IPS"); case CTDB_CONTROL_GET_PUBLIC_IPS: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_public_ips(ctdb, c, outdata); case CTDB_CONTROL_TCP_CLIENT: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_connection)); return ctdb_control_tcp_client(ctdb, client_id, indata); case CTDB_CONTROL_STARTUP: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_startup(ctdb, srcnode); case CTDB_CONTROL_TCP_ADD: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_connection)); return ctdb_control_tcp_add(ctdb, indata, false); case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_connection)); return ctdb_control_tcp_add(ctdb, indata, true); case CTDB_CONTROL_TCP_REMOVE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_connection)); return ctdb_control_tcp_remove(ctdb, indata); case CTDB_CONTROL_SET_TUNABLE: return ctdb_control_set_tunable(ctdb, indata); case CTDB_CONTROL_GET_TUNABLE: return ctdb_control_get_tunable(ctdb, indata, outdata); case CTDB_CONTROL_LIST_TUNABLES: return ctdb_control_list_tunables(ctdb, outdata); case CTDB_CONTROL_MODIFY_FLAGS: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_node_flag_change)); return ctdb_control_modflags(ctdb, indata); case CTDB_CONTROL_KILL_TCP: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_connection)); return ctdb_control_kill_tcp(ctdb, indata); case CTDB_CONTROL_GET_TCP_TICKLE_LIST: CHECK_CONTROL_DATA_SIZE(sizeof(ctdb_sock_addr)); return ctdb_control_get_tcp_tickle_list(ctdb, indata, outdata); case CTDB_CONTROL_SET_TCP_TICKLE_LIST: /* data size is verified in the called function */ return ctdb_control_set_tcp_tickle_list(ctdb, indata); case CTDB_CONTROL_REGISTER_SERVER_ID: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_client_id)); return ctdb_control_register_server_id(ctdb, client_id, indata); case CTDB_CONTROL_UNREGISTER_SERVER_ID: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_client_id)); return ctdb_control_unregister_server_id(ctdb, indata); case CTDB_CONTROL_CHECK_SERVER_ID: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_client_id)); return ctdb_control_check_server_id(ctdb, indata); case CTDB_CONTROL_GET_SERVER_ID_LIST: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_server_id_list(ctdb, outdata); case CTDB_CONTROL_PERSISTENT_STORE: return control_not_implemented("PERSISTENT_STORE", NULL); case CTDB_CONTROL_UPDATE_RECORD: return ctdb_control_update_record(ctdb, c, indata, async_reply); case CTDB_CONTROL_SEND_GRATUITOUS_ARP: return ctdb_control_send_gratious_arp(ctdb, indata); case CTDB_CONTROL_TRANSACTION_START: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_transaction_start(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_TRANSACTION_COMMIT: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_transaction_commit(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_WIPE_DATABASE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_transdb)); return ctdb_control_wipe_database(ctdb, indata); case CTDB_CONTROL_UPTIME: return ctdb_control_uptime(ctdb, outdata); case CTDB_CONTROL_START_RECOVERY: return ctdb_control_start_recovery(ctdb, c, async_reply); case CTDB_CONTROL_END_RECOVERY: return ctdb_control_end_recovery(ctdb, c, async_reply); case CTDB_CONTROL_TRY_DELETE_RECORDS: return ctdb_control_try_delete_records(ctdb, indata, outdata); case CTDB_CONTROL_ADD_PUBLIC_IP: return ctdb_control_add_public_address(ctdb, indata); case CTDB_CONTROL_DEL_PUBLIC_IP: return ctdb_control_del_public_address(ctdb, c, indata, async_reply); case CTDB_CONTROL_GET_CAPABILITIES: return ctdb_control_get_capabilities(ctdb, outdata); case CTDB_CONTROL_START_PERSISTENT_UPDATE: return ctdb_control_start_persistent_update(ctdb, c, indata); case CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE: return ctdb_control_cancel_persistent_update(ctdb, c, indata); case CTDB_CONTROL_TRANS2_COMMIT: case CTDB_CONTROL_TRANS2_COMMIT_RETRY: return control_not_implemented("TRANS2_COMMIT", "TRANS3_COMMIT"); case CTDB_CONTROL_TRANS2_ERROR: return control_not_implemented("TRANS2_ERROR", NULL); case CTDB_CONTROL_TRANS2_FINISHED: return control_not_implemented("TRANS2_FINISHED", NULL); case CTDB_CONTROL_TRANS2_ACTIVE: return control_not_implemented("TRANS2_ACTIVE", NULL); case CTDB_CONTROL_TRANS3_COMMIT: return ctdb_control_trans3_commit(ctdb, c, indata, async_reply); case CTDB_CONTROL_RECD_PING: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_recd_ping(ctdb); case CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_get_event_script_status(ctdb, *(uint32_t *)indata.dptr, outdata); case CTDB_CONTROL_RECD_RECLOCK_LATENCY: CHECK_CONTROL_DATA_SIZE(sizeof(double)); CTDB_UPDATE_RECLOCK_LATENCY(ctdb, "recd reclock", reclock.recd, *((double *)indata.dptr)); return 0; case CTDB_CONTROL_GET_RECLOCK_FILE: CHECK_CONTROL_DATA_SIZE(0); if (ctdb->recovery_lock_file != NULL) { outdata->dptr = discard_const(ctdb->recovery_lock_file); outdata->dsize = strlen(ctdb->recovery_lock_file) + 1; } return 0; case CTDB_CONTROL_SET_RECLOCK_FILE: { char *t; if (indata.dsize == 0) { TALLOC_FREE(ctdb->recovery_lock_file); return 0; } /* Return silent success if unchanged. Recovery * master updates all nodes on each recovery - we * don't need the extra memory allocation or log * message each time. */ if (ctdb->recovery_lock_file != NULL && strcmp(discard_const(indata.dptr), ctdb->recovery_lock_file) == 0) { return 0; } t = talloc_strdup(ctdb, discard_const(indata.dptr)); if (t == NULL) { DEBUG(DEBUG_ERR, ("Out of memory in SET_RECLOCK_FILE\n")); return -1; } talloc_free(ctdb->recovery_lock_file); ctdb->recovery_lock_file = t; DEBUG(DEBUG_NOTICE, ("Updated recovery lock file to %s\n", t)); return 0; } case CTDB_CONTROL_STOP_NODE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_stop_node(ctdb); case CTDB_CONTROL_CONTINUE_NODE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_continue_node(ctdb); case CTDB_CONTROL_SET_NATGWSTATE: return control_not_implemented("SET_NATGWSTATE", NULL); case CTDB_CONTROL_SET_LMASTERROLE: { uint32_t lmasterrole; CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); lmasterrole = *(uint32_t *)indata.dptr; if (lmasterrole == 0) { ctdb->capabilities &= ~CTDB_CAP_LMASTER; } else { ctdb->capabilities |= CTDB_CAP_LMASTER; } return 0; } case CTDB_CONTROL_SET_RECMASTERROLE: { uint32_t recmasterrole; CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); recmasterrole = *(uint32_t *)indata.dptr; if (recmasterrole == 0) { ctdb->capabilities &= ~CTDB_CAP_RECMASTER; } else { ctdb->capabilities |= CTDB_CAP_RECMASTER; } return 0; } case CTDB_CONTROL_ENABLE_SCRIPT: return ctdb_control_enable_script(ctdb, indata); case CTDB_CONTROL_DISABLE_SCRIPT: return ctdb_control_disable_script(ctdb, indata); case CTDB_CONTROL_SET_BAN_STATE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_ban_state)); return ctdb_control_set_ban_state(ctdb, indata); case CTDB_CONTROL_GET_BAN_STATE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_ban_state(ctdb, outdata); case CTDB_CONTROL_SET_DB_PRIORITY: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_db_priority)); return ctdb_control_set_db_priority(ctdb, indata, client_id); case CTDB_CONTROL_GET_DB_PRIORITY: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; return ctdb_db->priority; } case CTDB_CONTROL_TRANSACTION_CANCEL: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_transaction_cancel(ctdb); case CTDB_CONTROL_REGISTER_NOTIFY: return ctdb_control_register_notify(ctdb, client_id, indata); case CTDB_CONTROL_DEREGISTER_NOTIFY: CHECK_CONTROL_DATA_SIZE(sizeof(uint64_t)); return ctdb_control_deregister_notify(ctdb, client_id, indata); case CTDB_CONTROL_GET_LOG: return control_not_implemented("GET_LOG", NULL); case CTDB_CONTROL_CLEAR_LOG: return control_not_implemented("CLEAR_LOG", NULL); case CTDB_CONTROL_GET_DB_SEQNUM: CHECK_CONTROL_DATA_SIZE(sizeof(uint64_t)); return ctdb_control_get_db_seqnum(ctdb, indata, outdata); case CTDB_CONTROL_DB_SET_HEALTHY: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_set_healthy(ctdb, indata); case CTDB_CONTROL_DB_GET_HEALTH: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_get_health(ctdb, indata, outdata); case CTDB_CONTROL_GET_PUBLIC_IP_INFO: CHECK_CONTROL_DATA_SIZE(sizeof(ctdb_sock_addr)); return ctdb_control_get_public_ip_info(ctdb, c, indata, outdata); case CTDB_CONTROL_GET_IFACES: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_ifaces(ctdb, c, outdata); case CTDB_CONTROL_SET_IFACE_LINK_STATE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_iface)); return ctdb_control_set_iface_link(ctdb, c, indata); case CTDB_CONTROL_GET_STAT_HISTORY: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_stat_history(ctdb, c, outdata); case CTDB_CONTROL_SCHEDULE_FOR_DELETION: { struct ctdb_control_schedule_for_deletion *d; size_t size = offsetof(struct ctdb_control_schedule_for_deletion, key); CHECK_CONTROL_MIN_DATA_SIZE(size); d = (struct ctdb_control_schedule_for_deletion *)indata.dptr; size += d->keylen; CHECK_CONTROL_DATA_SIZE(size); return ctdb_control_schedule_for_deletion(ctdb, indata); } case CTDB_CONTROL_GET_DB_STATISTICS: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_get_db_statistics(ctdb, *(uint32_t *)indata.dptr, outdata); case CTDB_CONTROL_RELOAD_PUBLIC_IPS: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_reload_public_ips(ctdb, c, async_reply); case CTDB_CONTROL_RECEIVE_RECORDS: return ctdb_control_receive_records(ctdb, indata, outdata); case CTDB_CONTROL_DB_DETACH: return ctdb_control_db_detach(ctdb, indata, client_id); case CTDB_CONTROL_DB_FREEZE: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_freeze(ctdb, c, *(uint32_t *)indata.dptr, async_reply); case CTDB_CONTROL_DB_THAW: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_thaw(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_DB_TRANSACTION_START: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_transdb)); return ctdb_control_db_transaction_start(ctdb, indata); case CTDB_CONTROL_DB_TRANSACTION_COMMIT: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_transdb)); return ctdb_control_db_transaction_commit(ctdb, indata); case CTDB_CONTROL_DB_TRANSACTION_CANCEL: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_transaction_cancel(ctdb, indata); case CTDB_CONTROL_DB_PULL: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_pulldb_ext)); return ctdb_control_db_pull(ctdb, c, indata, outdata); case CTDB_CONTROL_DB_PUSH_START: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_pulldb_ext)); return ctdb_control_db_push_start(ctdb, indata); case CTDB_CONTROL_DB_PUSH_CONFIRM: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_push_confirm(ctdb, indata, outdata); default: DEBUG(DEBUG_CRIT,(__location__ " Unknown CTDB control opcode %u\n", opcode)); return -1; } }
/* process a control request */ static int32_t ctdb_control_dispatch(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA indata, TDB_DATA *outdata, uint32_t srcnode, const char **errormsg, bool *async_reply) { uint32_t opcode = c->opcode; uint64_t srvid = c->srvid; uint32_t client_id = c->client_id; switch (opcode) { case CTDB_CONTROL_PROCESS_EXISTS: { CHECK_CONTROL_DATA_SIZE(sizeof(pid_t)); return ctdb_control_process_exists(ctdb, *(pid_t *)indata.dptr); } case CTDB_CONTROL_SET_DEBUG: { CHECK_CONTROL_DATA_SIZE(sizeof(int32_t)); LogLevel = *(int32_t *)indata.dptr; return 0; } case CTDB_CONTROL_GET_DEBUG: { CHECK_CONTROL_DATA_SIZE(0); outdata->dptr = (uint8_t *)&LogLevel; outdata->dsize = sizeof(LogLevel); return 0; } case CTDB_CONTROL_STATISTICS: { int i; CHECK_CONTROL_DATA_SIZE(0); ctdb->statistics.memory_used = talloc_total_size(NULL); ctdb->statistics.frozen = 0; for (i=1; i<= NUM_DB_PRIORITIES; i++) { if (ctdb->freeze_mode[i] == CTDB_FREEZE_FROZEN) { ctdb->statistics.frozen = 1; } } ctdb->statistics.recovering = (ctdb->recovery_mode == CTDB_RECOVERY_ACTIVE); outdata->dptr = (uint8_t *)&ctdb->statistics; outdata->dsize = sizeof(ctdb->statistics); return 0; } case CTDB_CONTROL_GET_ALL_TUNABLES: { CHECK_CONTROL_DATA_SIZE(0); outdata->dptr = (uint8_t *)&ctdb->tunable; outdata->dsize = sizeof(ctdb->tunable); return 0; } case CTDB_CONTROL_DUMP_MEMORY: { CHECK_CONTROL_DATA_SIZE(0); return ctdb_dump_memory(ctdb, outdata); } case CTDB_CONTROL_STATISTICS_RESET: { CHECK_CONTROL_DATA_SIZE(0); ZERO_STRUCT(ctdb->statistics); return 0; } case CTDB_CONTROL_GETVNNMAP: return ctdb_control_getvnnmap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_GET_DBMAP: return ctdb_control_getdbmap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_GET_NODEMAPv4: return ctdb_control_getnodemapv4(ctdb, opcode, indata, outdata); case CTDB_CONTROL_GET_NODEMAP: return ctdb_control_getnodemap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_RELOAD_NODES_FILE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_reload_nodes_file(ctdb, opcode); case CTDB_CONTROL_SETVNNMAP: return ctdb_control_setvnnmap(ctdb, opcode, indata, outdata); case CTDB_CONTROL_PULL_DB: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_pulldb)); return ctdb_control_pull_db(ctdb, indata, outdata); case CTDB_CONTROL_SET_DMASTER: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_set_dmaster)); return ctdb_control_set_dmaster(ctdb, indata); case CTDB_CONTROL_PUSH_DB: return ctdb_control_push_db(ctdb, indata); case CTDB_CONTROL_GET_RECMODE: { return ctdb->recovery_mode; } case CTDB_CONTROL_SET_RECMASTER: { return ctdb_control_set_recmaster(ctdb, opcode, indata); } case CTDB_CONTROL_GET_RECMASTER: return ctdb->recovery_master; case CTDB_CONTROL_GET_PID: return getpid(); case CTDB_CONTROL_GET_PNN: return ctdb->pnn; case CTDB_CONTROL_PING: CHECK_CONTROL_DATA_SIZE(0); return ctdb->statistics.num_clients; case CTDB_CONTROL_GET_DBNAME: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; outdata->dptr = discard_const(ctdb_db->db_name); outdata->dsize = strlen(ctdb_db->db_name)+1; return 0; } case CTDB_CONTROL_GETDBPATH: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; outdata->dptr = discard_const(ctdb_db->db_path); outdata->dsize = strlen(ctdb_db->db_path)+1; return 0; } case CTDB_CONTROL_DB_ATTACH: return ctdb_control_db_attach(ctdb, indata, outdata, srvid, false); case CTDB_CONTROL_DB_ATTACH_PERSISTENT: return ctdb_control_db_attach(ctdb, indata, outdata, srvid, true); case CTDB_CONTROL_SET_CALL: { struct ctdb_control_set_call *sc = (struct ctdb_control_set_call *)indata.dptr; CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_set_call)); return ctdb_daemon_set_call(ctdb, sc->db_id, sc->fn, sc->id); } case CTDB_CONTROL_TRAVERSE_START: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_traverse_start)); return ctdb_control_traverse_start(ctdb, indata, outdata, srcnode, client_id); case CTDB_CONTROL_TRAVERSE_ALL: return ctdb_control_traverse_all(ctdb, indata, outdata); case CTDB_CONTROL_TRAVERSE_DATA: return ctdb_control_traverse_data(ctdb, indata, outdata); case CTDB_CONTROL_TRAVERSE_KILL: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_traverse_start)); return ctdb_control_traverse_kill(ctdb, indata, outdata, srcnode); case CTDB_CONTROL_REGISTER_SRVID: return daemon_register_message_handler(ctdb, client_id, srvid); case CTDB_CONTROL_DEREGISTER_SRVID: return daemon_deregister_message_handler(ctdb, client_id, srvid); case CTDB_CONTROL_ENABLE_SEQNUM: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_ltdb_enable_seqnum(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_UPDATE_SEQNUM: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_ltdb_update_seqnum(ctdb, *(uint32_t *)indata.dptr, srcnode); case CTDB_CONTROL_FREEZE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_freeze(ctdb, c, async_reply); case CTDB_CONTROL_THAW: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_thaw(ctdb, (uint32_t)c->srvid); case CTDB_CONTROL_SET_RECMODE: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_set_recmode(ctdb, c, indata, async_reply, errormsg); case CTDB_CONTROL_GET_MONMODE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_monitoring_mode(ctdb); case CTDB_CONTROL_ENABLE_MONITOR: CHECK_CONTROL_DATA_SIZE(0); ctdb_enable_monitoring(ctdb); return 0; case CTDB_CONTROL_RUN_EVENTSCRIPTS: return ctdb_run_eventscripts(ctdb, c, indata, async_reply); case CTDB_CONTROL_DISABLE_MONITOR: CHECK_CONTROL_DATA_SIZE(0); ctdb_disable_monitoring(ctdb); return 0; case CTDB_CONTROL_SHUTDOWN: ctdb_stop_recoverd(ctdb); ctdb_stop_keepalive(ctdb); ctdb_stop_monitoring(ctdb); ctdb_release_all_ips(ctdb); if (ctdb->methods != NULL) { ctdb->methods->shutdown(ctdb); } ctdb_event_script(ctdb, CTDB_EVENT_SHUTDOWN); DEBUG(DEBUG_NOTICE,("Received SHUTDOWN command. Stopping CTDB daemon.\n")); exit(0); case CTDB_CONTROL_TAKEOVER_IPv4: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_public_ipv4)); return ctdb_control_takeover_ipv4(ctdb, c, indata, async_reply); case CTDB_CONTROL_TAKEOVER_IP: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_public_ip)); return ctdb_control_takeover_ip(ctdb, c, indata, async_reply); case CTDB_CONTROL_RELEASE_IPv4: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_public_ipv4)); return ctdb_control_release_ipv4(ctdb, c, indata, async_reply); case CTDB_CONTROL_RELEASE_IP: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_public_ip)); return ctdb_control_release_ip(ctdb, c, indata, async_reply); case CTDB_CONTROL_GET_PUBLIC_IPSv4: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_public_ipsv4(ctdb, c, outdata); case CTDB_CONTROL_GET_PUBLIC_IPS: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_public_ips(ctdb, c, outdata); case CTDB_CONTROL_TCP_CLIENT: return ctdb_control_tcp_client(ctdb, client_id, indata); case CTDB_CONTROL_STARTUP: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_startup(ctdb, srcnode); case CTDB_CONTROL_TCP_ADD: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_tcp_vnn)); return ctdb_control_tcp_add(ctdb, indata); case CTDB_CONTROL_SET_TUNABLE: return ctdb_control_set_tunable(ctdb, indata); case CTDB_CONTROL_GET_TUNABLE: return ctdb_control_get_tunable(ctdb, indata, outdata); case CTDB_CONTROL_LIST_TUNABLES: return ctdb_control_list_tunables(ctdb, outdata); case CTDB_CONTROL_MODIFY_FLAGS: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_node_flag_change)); return ctdb_control_modflags(ctdb, indata); case CTDB_CONTROL_KILL_TCP: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_killtcp)); return ctdb_control_kill_tcp(ctdb, indata); case CTDB_CONTROL_GET_TCP_TICKLE_LIST: CHECK_CONTROL_DATA_SIZE(sizeof(ctdb_sock_addr)); return ctdb_control_get_tcp_tickle_list(ctdb, indata, outdata); case CTDB_CONTROL_SET_TCP_TICKLE_LIST: /* data size is verified in the called function */ return ctdb_control_set_tcp_tickle_list(ctdb, indata); case CTDB_CONTROL_REGISTER_SERVER_ID: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_server_id)); return ctdb_control_register_server_id(ctdb, client_id, indata); case CTDB_CONTROL_UNREGISTER_SERVER_ID: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_server_id)); return ctdb_control_unregister_server_id(ctdb, indata); case CTDB_CONTROL_CHECK_SERVER_ID: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_server_id)); return ctdb_control_check_server_id(ctdb, indata); case CTDB_CONTROL_GET_SERVER_ID_LIST: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_server_id_list(ctdb, outdata); case CTDB_CONTROL_PERSISTENT_STORE: return ctdb_control_persistent_store(ctdb, c, indata, async_reply); case CTDB_CONTROL_UPDATE_RECORD: return ctdb_control_update_record(ctdb, c, indata, async_reply); case CTDB_CONTROL_SEND_GRATIOUS_ARP: return ctdb_control_send_gratious_arp(ctdb, indata); case CTDB_CONTROL_TRANSACTION_START: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_transaction_start(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_TRANSACTION_COMMIT: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_transaction_commit(ctdb, *(uint32_t *)indata.dptr); case CTDB_CONTROL_WIPE_DATABASE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_wipe_database)); return ctdb_control_wipe_database(ctdb, indata); case CTDB_CONTROL_UPTIME: return ctdb_control_uptime(ctdb, outdata); case CTDB_CONTROL_START_RECOVERY: return ctdb_control_start_recovery(ctdb, c, async_reply); case CTDB_CONTROL_END_RECOVERY: return ctdb_control_end_recovery(ctdb, c, async_reply); case CTDB_CONTROL_TRY_DELETE_RECORDS: return ctdb_control_try_delete_records(ctdb, indata, outdata); case CTDB_CONTROL_ADD_PUBLIC_IP: return ctdb_control_add_public_address(ctdb, indata); case CTDB_CONTROL_DEL_PUBLIC_IP: return ctdb_control_del_public_address(ctdb, indata); case CTDB_CONTROL_GET_CAPABILITIES: return ctdb_control_get_capabilities(ctdb, outdata); case CTDB_CONTROL_START_PERSISTENT_UPDATE: return ctdb_control_start_persistent_update(ctdb, c, indata); case CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE: return ctdb_control_cancel_persistent_update(ctdb, c, indata); case CTDB_CONTROL_TRANS2_COMMIT: case CTDB_CONTROL_TRANS2_COMMIT_RETRY: return ctdb_control_trans2_commit(ctdb, c, indata, async_reply); case CTDB_CONTROL_TRANS2_ERROR: return ctdb_control_trans2_error(ctdb, c); case CTDB_CONTROL_TRANS2_FINISHED: return ctdb_control_trans2_finished(ctdb, c); case CTDB_CONTROL_TRANS2_ACTIVE: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_trans2_active(ctdb, c, *(uint32_t *)indata.dptr); case CTDB_CONTROL_TRANS3_COMMIT: return ctdb_control_trans3_commit(ctdb, c, indata, async_reply); case CTDB_CONTROL_RECD_PING: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_recd_ping(ctdb); case CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_get_event_script_status(ctdb, *(uint32_t *)indata.dptr, outdata); case CTDB_CONTROL_RECD_RECLOCK_LATENCY: CHECK_CONTROL_DATA_SIZE(sizeof(double)); ctdb_reclock_latency(ctdb, "recd reclock", &ctdb->statistics.reclock.recd, *((double *)indata.dptr)); return 0; case CTDB_CONTROL_GET_RECLOCK_FILE: CHECK_CONTROL_DATA_SIZE(0); if (ctdb->recovery_lock_file != NULL) { outdata->dptr = discard_const(ctdb->recovery_lock_file); outdata->dsize = strlen(ctdb->recovery_lock_file) + 1; } return 0; case CTDB_CONTROL_SET_RECLOCK_FILE: ctdb->tunable.verify_recovery_lock = 0; if (ctdb->recovery_lock_file != NULL) { talloc_free(ctdb->recovery_lock_file); ctdb->recovery_lock_file = NULL; } if (indata.dsize > 0) { ctdb->recovery_lock_file = talloc_strdup(ctdb, discard_const(indata.dptr)); ctdb->tunable.verify_recovery_lock = 1; } return 0; case CTDB_CONTROL_STOP_NODE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_stop_node(ctdb, c, async_reply); case CTDB_CONTROL_CONTINUE_NODE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_continue_node(ctdb); case CTDB_CONTROL_SET_NATGWSTATE: { uint32_t natgwstate; CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); natgwstate = *(uint32_t *)indata.dptr; if (natgwstate == 0) { ctdb->capabilities &= ~CTDB_CAP_NATGW; } else { ctdb->capabilities |= CTDB_CAP_NATGW; } return 0; } case CTDB_CONTROL_SET_LMASTERROLE: { uint32_t lmasterrole; CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); lmasterrole = *(uint32_t *)indata.dptr; if (lmasterrole == 0) { ctdb->capabilities &= ~CTDB_CAP_LMASTER; } else { ctdb->capabilities |= CTDB_CAP_LMASTER; } return 0; } case CTDB_CONTROL_SET_RECMASTERROLE: { uint32_t recmasterrole; CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); recmasterrole = *(uint32_t *)indata.dptr; if (recmasterrole == 0) { ctdb->capabilities &= ~CTDB_CAP_RECMASTER; } else { ctdb->capabilities |= CTDB_CAP_RECMASTER; } return 0; } case CTDB_CONTROL_ENABLE_SCRIPT: return ctdb_control_enable_script(ctdb, indata); case CTDB_CONTROL_DISABLE_SCRIPT: return ctdb_control_disable_script(ctdb, indata); case CTDB_CONTROL_SET_BAN_STATE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_ban_time)); return ctdb_control_set_ban_state(ctdb, indata); case CTDB_CONTROL_GET_BAN_STATE: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_ban_state(ctdb, outdata); case CTDB_CONTROL_SET_DB_PRIORITY: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_db_priority)); return ctdb_control_set_db_priority(ctdb, indata); case CTDB_CONTROL_GET_DB_PRIORITY: { uint32_t db_id; struct ctdb_db_context *ctdb_db; CHECK_CONTROL_DATA_SIZE(sizeof(db_id)); db_id = *(uint32_t *)indata.dptr; ctdb_db = find_ctdb_db(ctdb, db_id); if (ctdb_db == NULL) return -1; return ctdb_db->priority; } case CTDB_CONTROL_TRANSACTION_CANCEL: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_transaction_cancel(ctdb); case CTDB_CONTROL_REGISTER_NOTIFY: return ctdb_control_register_notify(ctdb, client_id, indata); case CTDB_CONTROL_DEREGISTER_NOTIFY: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_client_notify_deregister)); return ctdb_control_deregister_notify(ctdb, client_id, indata); case CTDB_CONTROL_GET_LOG: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_get_log_addr)); return ctdb_control_get_log(ctdb, indata); case CTDB_CONTROL_CLEAR_LOG: return ctdb_control_clear_log(ctdb); case CTDB_CONTROL_GET_DB_SEQNUM: CHECK_CONTROL_DATA_SIZE(sizeof(uint64_t)); return ctdb_control_get_db_seqnum(ctdb, indata, outdata); case CTDB_CONTROL_DB_SET_HEALTHY: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_set_healthy(ctdb, indata); case CTDB_CONTROL_DB_GET_HEALTH: CHECK_CONTROL_DATA_SIZE(sizeof(uint32_t)); return ctdb_control_db_get_health(ctdb, indata, outdata); case CTDB_CONTROL_GET_PUBLIC_IP_INFO: CHECK_CONTROL_DATA_SIZE(sizeof(ctdb_sock_addr)); return ctdb_control_get_public_ip_info(ctdb, c, indata, outdata); case CTDB_CONTROL_GET_IFACES: CHECK_CONTROL_DATA_SIZE(0); return ctdb_control_get_ifaces(ctdb, c, outdata); case CTDB_CONTROL_SET_IFACE_LINK_STATE: CHECK_CONTROL_DATA_SIZE(sizeof(struct ctdb_control_iface_info)); return ctdb_control_set_iface_link(ctdb, c, indata); default: DEBUG(DEBUG_CRIT,(__location__ " Unknown CTDB control opcode %u\n", opcode)); return -1; } }