corosync  2.3.2
Data Structures | Macros | Enumerations | Functions | Variables
totemsrp.c File Reference
#include <config.h>
#include <assert.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/un.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sched.h>
#include <time.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <sys/uio.h>
#include <limits.h>
#include <qb/qbdefs.h>
#include <qb/qbutil.h>
#include <qb/qbloop.h>
#include <corosync/swab.h>
#include <corosync/sq.h>
#include <corosync/list.h>
#include <corosync/logsys.h>
#include "totemsrp.h"
#include "totemrrp.h"
#include "totemnet.h"
#include "cs_queue.h"
Include dependency graph for totemsrp.c:

Go to the source code of this file.

Data Structures

struct  srp_addr
 
struct  consensus_list_item
 
struct  token_callback_instance
 
struct  totemsrp_socket
 
struct  message_header
 
struct  mcast
 
struct  rtr_item
 
struct  orf_token
 
struct  memb_join
 
struct  memb_merge_detect
 
struct  token_hold_cancel
 
struct  memb_commit_token_memb_entry
 
struct  memb_commit_token
 
struct  message_item
 
struct  sort_queue_item
 
struct  totemsrp_instance
 
struct  message_handlers
 

Macros

#define LOGSYS_UTILS_ONLY   1
 
#define LOCALHOST_IP   inet_addr("127.0.0.1")
 
#define QUEUE_RTR_ITEMS_SIZE_MAX   16384 /* allow 16384 retransmit items */
 
#define RETRANS_MESSAGE_QUEUE_SIZE_MAX   16384 /* allow 500 messages to be queued */
 
#define RECEIVED_MESSAGE_QUEUE_SIZE_MAX   500 /* allow 500 messages to be queued */
 
#define MAXIOVS   5
 
#define RETRANSMIT_ENTRIES_MAX   30
 
#define TOKEN_SIZE_MAX   64000 /* bytes */
 
#define LEAVE_DUMMY_NODEID   0
 
#define SEQNO_START_MSG   0x0
 
#define SEQNO_START_TOKEN   0x0
 
#define ENDIAN_LOCAL   0xff22
 
#define log_printf(level, format, args...)
 
#define LOGSYS_PERROR(err_num, level, fmt, args...)
 

Enumerations

enum  message_type {
  MESSAGE_TYPE_ORF_TOKEN = 0, MESSAGE_TYPE_MCAST = 1, MESSAGE_TYPE_MEMB_MERGE_DETECT = 2, MESSAGE_TYPE_MEMB_JOIN = 3,
  MESSAGE_TYPE_MEMB_COMMIT_TOKEN = 4, MESSAGE_TYPE_TOKEN_HOLD_CANCEL = 5
}
 
enum  encapsulation_type { MESSAGE_ENCAPSULATED = 1, MESSAGE_NOT_ENCAPSULATED = 2 }
 
enum  memb_state { MEMB_STATE_OPERATIONAL = 1, MEMB_STATE_GATHER = 2, MEMB_STATE_COMMIT = 3, MEMB_STATE_RECOVERY = 4 }
 

Functions

struct message_header __attribute__ ((packed))
 
void main_deliver_fn (void *context, const void *msg, unsigned int msg_len)
 
void main_iface_change_fn (void *context, const struct totem_ip_address *iface_address, unsigned int iface_no)
 
int totemsrp_initialize (qb_loop_t *poll_handle, void **srp_context, struct totem_config *totem_config, totemmrp_stats_t *stats, void(*deliver_fn)(unsigned int nodeid, const void *msg, unsigned int msg_len, int endian_conversion_required), void(*confchg_fn)(enum totem_configuration_type configuration_type, const unsigned int *member_list, size_t member_list_entries, const unsigned int *left_list, size_t left_list_entries, const unsigned int *joined_list, size_t joined_list_entries, const struct memb_ring_id *ring_id), void(*waiting_trans_ack_cb_fn)(int waiting_trans_ack))
 Create a protocol instance. More...
 
void totemsrp_finalize (void *srp_context)
 
int totemsrp_ifaces_get (void *srp_context, unsigned int nodeid, struct totem_ip_address *interfaces, unsigned int interfaces_size, char ***status, unsigned int *iface_count)
 
int totemsrp_crypto_set (void *srp_context, const char *cipher_type, const char *hash_type)
 
unsigned int totemsrp_my_nodeid_get (void *srp_context)
 
int totemsrp_my_family_get (void *srp_context)
 
int totemsrp_ring_reenable (void *srp_context)
 
void totemsrp_event_signal (void *srp_context, enum totem_event_type type, int value)
 
int totemsrp_mcast (void *srp_context, struct iovec *iovec, unsigned int iov_len, int guarantee)
 Multicast a message. More...
 
int totemsrp_avail (void *srp_context)
 Return number of available messages that can be queued. More...
 
int totemsrp_callback_token_create (void *srp_context, void **handle_out, enum totem_callback_token_type type, int delete, int(*callback_fn)(enum totem_callback_token_type type, const void *), const void *data)
 
void totemsrp_callback_token_destroy (void *srp_context, void **handle_out)
 
void totemsrp_net_mtu_adjust (struct totem_config *totem_config)
 
void totemsrp_service_ready_register (void *context, void(*totem_service_ready)(void))
 
int totemsrp_member_add (void *context, const struct totem_ip_address *member, int ring_no)
 
int totemsrp_member_remove (void *context, const struct totem_ip_address *member, int ring_no)
 
void totemsrp_threaded_mode_enable (void *context)
 
void totemsrp_trans_ack (void *context)
 

Variables

char type
 
char encapsulated
 
unsigned short endian_detector
 
unsigned int nodeid
 
struct message_header header
 
struct srp_addr system_from
 
unsigned int seq
 
int this_seqno
 
struct memb_ring_id ring_id
 
unsigned int node_id
 
int guarantee
 
unsigned int token_seq
 
unsigned int aru
 
unsigned int aru_addr
 
unsigned int backlog
 
unsigned int fcc
 
int retrans_flg
 
int rtr_list_entries
 
struct rtr_item rtr_list [0]
 
unsigned int proc_list_entries
 
unsigned int failed_list_entries
 
unsigned long long ring_seq
 
unsigned char end_of_memb_join [0]
 
unsigned int high_delivered
 
unsigned int received_flg
 
int memb_index
 
int addr_entries
 
unsigned char end_of_commit_token [0]
 
struct message_item __attribute__
 
struct message_handlers totemsrp_message_handlers
 
unsigned long long int tv_old
 

Macro Definition Documentation

#define ENDIAN_LOCAL   0xff22

Definition at line 137 of file totemsrp.c.

Referenced by main_deliver_fn(), and totemsrp_mcast().

#define LEAVE_DUMMY_NODEID   0

Definition at line 102 of file totemsrp.c.

#define LOCALHOST_IP   inet_addr("127.0.0.1")

Definition at line 95 of file totemsrp.c.

#define log_printf (   level,
  format,
  args... 
)
Value:
do { \
instance->totemsrp_log_printf ( \
level, instance->totemsrp_subsys_id, \
__FUNCTION__, __FILE__, __LINE__, \
format, ##args); \
} while (0);

Definition at line 645 of file totemsrp.c.

Referenced by main_deliver_fn(), main_iface_change_fn(), totemsrp_initialize(), and totemsrp_mcast().

#define LOGSYS_PERROR (   err_num,
  level,
  fmt,
  args... 
)
Value:
do { \
char _error_str[LOGSYS_MAX_PERROR_MSG_LEN]; \
const char *_error_ptr = qb_strerror_r(err_num, _error_str, sizeof(_error_str)); \
instance->totemsrp_log_printf ( \
level, instance->totemsrp_subsys_id, \
__FUNCTION__, __FILE__, __LINE__, \
fmt ": %s (%d)\n", ##args, _error_ptr, err_num); \
} while(0)

Definition at line 652 of file totemsrp.c.

#define LOGSYS_UTILS_ONLY   1

Definition at line 86 of file totemsrp.c.

#define MAXIOVS   5

Definition at line 99 of file totemsrp.c.

#define QUEUE_RTR_ITEMS_SIZE_MAX   16384 /* allow 16384 retransmit items */

Definition at line 96 of file totemsrp.c.

Referenced by totemsrp_initialize().

#define RECEIVED_MESSAGE_QUEUE_SIZE_MAX   500 /* allow 500 messages to be queued */

Definition at line 98 of file totemsrp.c.

#define RETRANS_MESSAGE_QUEUE_SIZE_MAX   16384 /* allow 500 messages to be queued */

Definition at line 97 of file totemsrp.c.

Referenced by totemsrp_initialize().

#define RETRANSMIT_ENTRIES_MAX   30

Definition at line 100 of file totemsrp.c.

#define SEQNO_START_MSG   0x0

Definition at line 114 of file totemsrp.c.

#define SEQNO_START_TOKEN   0x0

Definition at line 115 of file totemsrp.c.

#define TOKEN_SIZE_MAX   64000 /* bytes */

Definition at line 101 of file totemsrp.c.

Enumeration Type Documentation

Enumerator
MESSAGE_ENCAPSULATED 
MESSAGE_NOT_ENCAPSULATED 

Definition at line 148 of file totemsrp.c.

enum memb_state
Enumerator
MEMB_STATE_OPERATIONAL 
MEMB_STATE_GATHER 
MEMB_STATE_COMMIT 
MEMB_STATE_RECOVERY 

Definition at line 284 of file totemsrp.c.

Enumerator
MESSAGE_TYPE_ORF_TOKEN 
MESSAGE_TYPE_MCAST 
MESSAGE_TYPE_MEMB_MERGE_DETECT 
MESSAGE_TYPE_MEMB_JOIN 
MESSAGE_TYPE_MEMB_COMMIT_TOKEN 
MESSAGE_TYPE_TOKEN_HOLD_CANCEL 

Definition at line 139 of file totemsrp.c.

Function Documentation

struct message_header __attribute__ ( (packed)  )
void main_deliver_fn ( void *  context,
const void *  msg,
unsigned int  msg_len 
)
void main_iface_change_fn ( void *  context,
const struct totem_ip_address iface_address,
unsigned int  iface_no 
)
int totemsrp_avail ( void *  srp_context)

Return number of available messages that can be queued.

Definition at line 2373 of file totemsrp.c.

References totemsrp_instance::new_message_queue, totemsrp_instance::new_message_queue_trans, and totemsrp_instance::waiting_trans_ack.

Referenced by totemmrp_avail().

int totemsrp_callback_token_create ( void *  srp_context,
void **  handle_out,
enum totem_callback_token_type  type,
int  delete,
int(*)(enum totem_callback_token_type type, const void *)  callback_fn,
const void *  data 
)
void totemsrp_callback_token_destroy ( void *  srp_context,
void **  handle_out 
)

Definition at line 3374 of file totemsrp.c.

References token_callback_instance::list.

Referenced by totemmrp_callback_token_destroy().

int totemsrp_crypto_set ( void *  srp_context,
const char *  cipher_type,
const char *  hash_type 
)

Definition at line 1075 of file totemsrp.c.

References totemsrp_instance::totemrrp_context, and totemrrp_crypto_set().

Referenced by totemmrp_crypto_set().

void totemsrp_event_signal ( void *  srp_context,
enum totem_event_type  type,
int  value 
)

Definition at line 2295 of file totemsrp.c.

Referenced by totemmrp_event_signal().

void totemsrp_finalize ( void *  srp_context)
int totemsrp_ifaces_get ( void *  srp_context,
unsigned int  nodeid,
struct totem_ip_address interfaces,
unsigned int  interfaces_size,
char ***  status,
unsigned int *  iface_count 
)
int totemsrp_initialize ( qb_loop_t *  poll_handle,
void **  srp_context,
struct totem_config totem_config,
totemmrp_stats_t stats,
void(*)(unsigned int nodeid, const void *msg, unsigned int msg_len, int endian_conversion_required)  deliver_fn,
void(*)(enum totem_configuration_type configuration_type, const unsigned int *member_list, size_t member_list_entries, const unsigned int *left_list, size_t left_list_entries, const unsigned int *joined_list, size_t joined_list_entries, const struct memb_ring_id *ring_id confchg_fn,
void(*)(int waiting_trans_ack)  waiting_trans_ack_cb_fn 
)

Create a protocol instance.

Definition at line 774 of file totemsrp.c.

References totem_config::consensus_timeout, totem_config::downcheck_timeout, totemsrp_stats_t::earliest_token, totem_config::fail_to_recv_const, totem_config::heartbeat_failures_allowed, totemsrp_instance::heartbeat_timeout, totem_config::interfaces, totem_config::join_timeout, totemsrp_stats_t::latest_token, LOCALSTATEDIR, totem_logging_configuration::log_level_debug, totem_logging_configuration::log_level_error, totem_logging_configuration::log_level_notice, totem_logging_configuration::log_level_security, totem_logging_configuration::log_level_trace, totem_logging_configuration::log_level_warning, totem_logging_configuration::log_printf, log_printf, totem_logging_configuration::log_subsys_id, main_deliver_fn(), main_iface_change_fn(), totem_config::max_messages, totem_config::max_network_delay, totem_interface::mcast_addr, totemsrp_instance::mcast_address, totem_config::merge_timeout, MESSAGE_QUEUE_MAX, totem_config::miss_count_const, totem_config::net_mtu, totemsrp_instance::new_message_queue, totemsrp_instance::new_message_queue_trans, QUEUE_RTR_ITEMS_SIZE_MAX, totemsrp_instance::recovery_sort_queue, totemsrp_instance::regular_sort_queue, totemsrp_instance::retrans_message_queue, RETRANS_MESSAGE_QUEUE_SIZE_MAX, totem_config::rrp_autorecovery_check_timeout, totem_config::rrp_mode, totem_config::rrp_problem_count_mcast_threshold, totem_config::rrp_problem_count_threshold, totem_config::rrp_problem_count_timeout, totem_config::rrp_token_expired_timeout, totem_config::send_join_timeout, totem_config::seqno_unchanged_const, totemmrp_stats_t::srp, totemsrp_instance::stats, totemsrp_instance::threaded_mode_enabled, totem_config::threads, totem_config::token_hold_timeout, totemsrp_instance::token_recv_event_handle, totem_config::token_retransmit_timeout, totem_config::token_retransmits_before_loss_const, totemsrp_instance::token_sent_event_handle, totem_config::token_timeout, TOTEM_CALLBACK_TOKEN_RECEIVED, TOTEM_CALLBACK_TOKEN_SENT, totemsrp_instance::totem_config, totem_config::totem_logging_configuration, totemip_copy(), totemsrp_instance::totemrrp_context, totemrrp_initialize(), totemsrp_callback_token_create(), totemsrp_instance::totemsrp_confchg_fn, totemsrp_instance::totemsrp_deliver_fn, totemsrp_instance::totemsrp_log_level_debug, totemsrp_instance::totemsrp_log_level_error, totemsrp_instance::totemsrp_log_level_notice, totemsrp_instance::totemsrp_log_level_security, totemsrp_instance::totemsrp_log_level_trace, totemsrp_instance::totemsrp_log_level_warning, totemsrp_instance::totemsrp_log_printf, totemsrp_instance::totemsrp_poll_handle, totemsrp_instance::totemsrp_subsys_id, totemsrp_instance::totemsrp_waiting_trans_ack_cb_fn, totemsrp_instance::use_heartbeat, and totem_config::window_size.

Referenced by totemmrp_initialize().

int totemsrp_mcast ( void *  srp_context,
struct iovec *  iovec,
unsigned int  iov_len,
int  guarantee 
)
int totemsrp_member_add ( void *  context,
const struct totem_ip_address member,
int  ring_no 
)
int totemsrp_member_remove ( void *  context,
const struct totem_ip_address member,
int  ring_no 
)

Definition at line 4631 of file totemsrp.c.

References totemsrp_instance::totemrrp_context, and totemrrp_member_remove().

Referenced by totemmrp_member_remove().

int totemsrp_my_family_get ( void *  srp_context)
unsigned int totemsrp_my_nodeid_get ( void *  srp_context)
void totemsrp_net_mtu_adjust ( struct totem_config totem_config)

Definition at line 4605 of file totemsrp.c.

References totem_config::net_mtu.

Referenced by totempg_initialize().

int totemsrp_ring_reenable ( void *  srp_context)
void totemsrp_service_ready_register ( void *  context,
void(*)(void)  totem_service_ready 
)
void totemsrp_threaded_mode_enable ( void *  context)

Definition at line 4644 of file totemsrp.c.

References totemsrp_instance::threaded_mode_enabled.

Referenced by totemmrp_threaded_mode_enable().

void totemsrp_trans_ack ( void *  context)

Variable Documentation

struct message_item __attribute__
int addr_entries

Definition at line 278 of file totemsrp.c.

unsigned int aru

Definition at line 223 of file totemsrp.c.

unsigned int aru_addr

Definition at line 224 of file totemsrp.c.

unsigned int backlog

Definition at line 226 of file totemsrp.c.

char encapsulated

Definition at line 189 of file totemsrp.c.

unsigned char end_of_commit_token[0]

Definition at line 279 of file totemsrp.c.

unsigned char end_of_memb_join[0]

Definition at line 240 of file totemsrp.c.

unsigned short endian_detector

Definition at line 190 of file totemsrp.c.

unsigned int failed_list_entries

Definition at line 238 of file totemsrp.c.

unsigned int fcc

Definition at line 227 of file totemsrp.c.

int guarantee

Definition at line 205 of file totemsrp.c.

Referenced by cpg_mcast_joined(), cpg_zcb_mcast_joined(), and totemsrp_mcast().

struct message_header header

Definition at line 199 of file totemsrp.c.

Referenced by cpg_zcb_free().

unsigned int high_delivered

Definition at line 258 of file totemsrp.c.

int memb_index

Definition at line 277 of file totemsrp.c.

unsigned int node_id

Definition at line 204 of file totemsrp.c.

unsigned int nodeid

Definition at line 191 of file totemsrp.c.

unsigned int proc_list_entries

Definition at line 237 of file totemsrp.c.

unsigned int received_flg

Definition at line 259 of file totemsrp.c.

unsigned int retrans_flg

Definition at line 228 of file totemsrp.c.

struct memb_ring_id ring_id

Definition at line 203 of file totemsrp.c.

unsigned long long ring_seq

Definition at line 239 of file totemsrp.c.

struct rtr_item rtr_list[0]

Definition at line 230 of file totemsrp.c.

int rtr_list_entries

Definition at line 229 of file totemsrp.c.

unsigned int seq

Definition at line 201 of file totemsrp.c.

struct srp_addr system_from

Definition at line 200 of file totemsrp.c.

Referenced by totemudp_recv_mcast_empty(), and totemudpu_recv_mcast_empty().

int this_seqno

Definition at line 202 of file totemsrp.c.

unsigned int token_seq

Definition at line 222 of file totemsrp.c.

struct message_handlers totemsrp_message_handlers
Initial value:
= {
6,
{
message_handler_orf_token,
message_handler_mcast,
message_handler_memb_merge_detect,
message_handler_memb_join,
message_handler_memb_commit_token,
message_handler_token_hold_cancel
}
}

Definition at line 631 of file totemsrp.c.

unsigned long long int tv_old

Definition at line 3527 of file totemsrp.c.

char type

Definition at line 188 of file totemsrp.c.