MySQL 8.0.31
Source Code Documentation
site_struct.h
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef SITE_STRUCT_H
24#define SITE_STRUCT_H
25
26#include "xcom/node_no.h"
27#include "xcom/server_struct.h"
28#include "xcom/synode_no.h"
29#include "xcom/xcom_detector.h"
30#include "xdr_gen/xcom_vp.h"
31
32/* Reserved value to signal that all nodes should be leaders */
33enum { active_leaders_all = 0 };
34
35typedef struct site_def site_def;
36typedef struct pax_msg pax_msg;
37typedef struct linkage linkage;
38
39typedef void (*msg_handler)(site_def const *site, pax_msg *p,
40 linkage *reply_queue);
41
42struct site_def {
43 synode_no start NULL_SYNODE; /* Config is active from this message number */
44 synode_no boot_key
45 NULL_SYNODE; /* The message number of the original unified_boot */
46 node_no nodeno{VOID_NODE_NO}; /* Node number of this node */
47 node_list nodes{0, nullptr}; /* Set of nodes in this config */
48 server *servers[NSERVERS]{nullptr}; /* Connections to other nodes */
50 0.0}; /* Time of last incoming message for each node */
51 node_no global_node_count{0}; /* Number of live nodes in global_node_set */
52 node_set global_node_set{0, nullptr}; /* The global view */
53 node_set local_node_set{0, nullptr}; /* The local view */
54 int detector_updated{0}; /* Has detector state been updated? */
55 xcom_proto x_proto{x_unknown_proto};
57 double install_time{0.0};
58 xcom_event_horizon event_horizon{EVENT_HORIZON_MIN};
59 node_no max_active_leaders{active_leaders_all}; /* How many leaders can there
60 be? >= 1 and <= number of nodes */
61 leader_array leaders{0, nullptr}; /* Leaders as defined by client */
62 msg_handler *dispatch_table{nullptr}; /* Per-config dispatch table */
63 bool cached_leaders{false}; /* Initialized leader cache ? */
64 bool active_leader[NSERVERS]{0}; /* Leader cache */
65 node_no found_leaders{0}; /* Number of leaders found */
66};
67#endif
const char * p
Definition: ctype-mb.cc:1236
static void start(mysql_harness::PluginFuncEnv *env)
Definition: http_auth_backend_plugin.cc:176
#define VOID_NODE_NO
Definition: node_no.h:35
struct pax_msg pax_msg
Definition: site_struct.h:36
@ active_leaders_all
Definition: site_struct.h:33
void(* msg_handler)(site_def const *site, pax_msg *p, linkage *reply_queue)
Definition: site_struct.h:39
Definition: simset.h:35
Definition: server_struct.h:38
Definition: site_struct.h:42
double install_time
Definition: site_struct.h:57
synode_no boot_key NULL_SYNODE
Definition: site_struct.h:45
xcom_proto x_proto
Definition: site_struct.h:55
xcom_event_horizon event_horizon
Definition: site_struct.h:58
bool cached_leaders
Definition: site_struct.h:63
detector_state detected
Definition: site_struct.h:49
synode_no delivered_msg[NSERVERS]
Definition: site_struct.h:56
server * servers[NSERVERS]
Definition: site_struct.h:48
node_no found_leaders
Definition: site_struct.h:65
int detector_updated
Definition: site_struct.h:54
node_no global_node_count
Definition: site_struct.h:51
synode_no start NULL_SYNODE
Definition: site_struct.h:43
node_set global_node_set
Definition: site_struct.h:52
bool active_leader[NSERVERS]
Definition: site_struct.h:64
node_no nodeno
Definition: site_struct.h:46
leader_array leaders
Definition: site_struct.h:61
msg_handler * dispatch_table
Definition: site_struct.h:62
node_set local_node_set
Definition: site_struct.h:53
node_no max_active_leaders
Definition: site_struct.h:59
node_list nodes
Definition: site_struct.h:47
double detector_state[NSERVERS]
Definition: xcom_detector.h:31
#define NSERVERS
Definition: xcom_limits.h:26
@ EVENT_HORIZON_MIN
Definition: xcom_profile.h:61