diff options
Diffstat (limited to 'source4/cluster/ctdb/include/ctdb_private.h')
| -rw-r--r-- | source4/cluster/ctdb/include/ctdb_private.h | 86 |
1 files changed, 79 insertions, 7 deletions
diff --git a/source4/cluster/ctdb/include/ctdb_private.h b/source4/cluster/ctdb/include/ctdb_private.h index bd64f978eb..7542b3100f 100644 --- a/source4/cluster/ctdb/include/ctdb_private.h +++ b/source4/cluster/ctdb/include/ctdb_private.h @@ -37,6 +37,35 @@ #define CTDB_NULL_FUNC 0xFF000001 #define CTDB_FETCH_FUNC 0xFF000002 +/* + a tcp connection description + */ +struct ctdb_tcp_connection { + struct sockaddr_in saddr; + struct sockaddr_in daddr; +}; + +/* the wire representation for a tcp tickle array */ +struct ctdb_tcp_wire_array { + uint32_t num; + struct ctdb_tcp_connection connections[1]; +}; + +/* the list of tcp tickles used by get/set tcp tickle list */ +struct ctdb_control_tcp_tickle_list { + uint32_t vnn; + struct ctdb_tcp_wire_array tickles; +}; + +/* + array of tcp connections + */ +struct ctdb_tcp_array { + uint32_t num; + struct ctdb_tcp_connection *connections; +}; + + /* all tunable variables go in here */ struct ctdb_tunable { uint32_t max_redirect_count; @@ -51,6 +80,7 @@ struct ctdb_tunable { uint32_t election_timeout; uint32_t takeover_timeout; uint32_t monitor_interval; + uint32_t tickle_update_interval; uint32_t script_timeout; uint32_t recovery_grace_period; uint32_t recovery_ban_period; @@ -139,6 +169,13 @@ struct ctdb_node { /* the node number that has taken over this nodes public address, if any. If not taken over, then set to -1 */ int32_t takeover_vnn; + + /* 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; }; /* @@ -274,6 +311,7 @@ struct ctdb_context { uint32_t recovery_mode; uint32_t monitoring_mode; TALLOC_CTX *monitor_context; + TALLOC_CTX *tickle_update_context; struct ctdb_tunable tunable; enum ctdb_freeze_mode freeze_mode; struct ctdb_freeze_handle *freeze_handle; @@ -305,8 +343,10 @@ struct ctdb_context { uint32_t recovery_master; struct ctdb_call_state *pending_calls; struct ctdb_takeover takeover; - struct ctdb_tcp_list *tcp_list; struct ctdb_client_ip *client_ip_list; + bool do_setsched; + void *saved_scheduler_param; + struct ctdb_kill_tcp *killtcp; }; struct ctdb_db_context { @@ -406,6 +446,9 @@ enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0, CTDB_CONTROL_GET_PUBLIC_IPS = 51, CTDB_CONTROL_MODIFY_FLAGS = 52, CTDB_CONTROL_GET_ALL_TUNABLES = 53, + CTDB_CONTROL_KILL_TCP = 54, + CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55, + CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56, }; /* @@ -442,6 +485,14 @@ struct ctdb_control_tcp { }; /* + struct for kill_tcp control + */ +struct ctdb_control_killtcp { + struct sockaddr_in src; + struct sockaddr_in dst; +}; + +/* struct for tcp_add and tcp_remove controls */ struct ctdb_control_tcp_vnn { @@ -931,6 +982,7 @@ uint32_t ctdb_get_num_active_nodes(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_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node); @@ -947,7 +999,8 @@ int ctdb_ctrl_set_rsn_nonempty(struct ctdb_context *ctdb, struct timeval timeout uint32_t destnode, uint32_t db_id, uint64_t rsn); int ctdb_ctrl_delete_low_rsn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t db_id, uint64_t rsn); -void ctdb_set_realtime(bool enable); +void ctdb_set_scheduler(struct ctdb_context *ctdb); +void ctdb_restore_scheduler(struct ctdb_context *ctdb); int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA indata, @@ -980,22 +1033,23 @@ int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb, /* from takeover/system.c */ int ctdb_sys_send_arp(const struct sockaddr_in *saddr, const char *iface); bool ctdb_sys_have_ip(const char *ip); -int ctdb_sys_send_tcp(const struct sockaddr_in *dest, +int ctdb_sys_send_tcp(int fd, + const struct sockaddr_in *dest, const struct sockaddr_in *src, uint32_t seq, uint32_t ack, int rst); -int ctdb_sys_kill_tcp(struct event_context *ev, - const struct sockaddr_in *dest, - const struct sockaddr_in *src); int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist); int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script); int ctdb_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, - uint32_t srcnode, TDB_DATA indata); + TDB_DATA indata); int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata); int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata); int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn); +int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata); +int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata); +int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata); void ctdb_takeover_client_destructor_hook(struct ctdb_client *client); int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3); @@ -1032,4 +1086,22 @@ void ctdb_start_freeze(struct ctdb_context *ctdb); bool parse_ip_port(const char *s, struct sockaddr_in *ip); +int ctdb_sys_open_capture_socket(const char *iface, void **private_data); +int ctdb_sys_close_capture_socket(void *private_data); +int ctdb_sys_open_sending_socket(void); +int ctdb_sys_read_tcp_packet(int s, void *private_data, struct sockaddr_in *src, struct sockaddr_in *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_get_tcp_tickles(struct ctdb_context *ctdb, + struct timeval timeout, + uint32_t destnode, + TALLOC_CTX *mem_ctx, + uint32_t vnn, + struct ctdb_control_tcp_tickle_list **list); + #endif |