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Sysfile Struct Reference

#include <Sysfile.hpp>

Public Types

enum  ActiveStatus {
  NS_Active = 0, NS_ActiveMissed_1 = 1, NS_ActiveMissed_2 = 2, NS_ActiveMissed_3 = 3,
  NS_NotActive_NotTakenOver = 5, NS_TakeOver = 6, NS_NotActive_TakenOver = 7, NS_NotDefined = 8,
  NS_Configured = 9
}

Public Member Functions

 STATIC_CONST (SYSFILE_SIZE32=_SYSFILE_SIZE32)
 STATIC_CONST (NODE_STATUS_SIZE=NODE_ARRAY_SIZE(MAX_NDB_NODES, 4))
 STATIC_CONST (NODE_GROUPS_SIZE=NODE_ARRAY_SIZE(MAX_NDB_NODES, NODEID_BITS))
 STATIC_CONST (TAKE_OVER_SIZE=NODE_ARRAY_SIZE(MAX_NDB_NODES, NODEID_BITS))

Static Public Member Functions

static bool getInitialStartOngoing (const Uint32 &systemRestartBits)
static void setInitialStartOngoing (Uint32 &systemRestartBits)
static void clearInitialStartOngoing (Uint32 &systemRestartBits)
static bool getRestartOngoing (const Uint32 &systemRestartBits)
static void setRestartOngoing (Uint32 &systemRestartBits)
static void clearRestartOngoing (Uint32 &systemRestartBits)
static bool getLCPOngoing (const Uint32 &systemRestartBits)
static void setLCPOngoing (Uint32 &systemRestartBits)
static void clearLCPOngoing (Uint32 &systemRestartBits)
static Uint32 getNodeStatus (NodeId, const Uint32 nodeStatus[])
static void setNodeStatus (NodeId, Uint32 nodeStatus[], Uint32 status)
static Uint16 getNodeGroup (NodeId, const Uint32 nodeGroups[])
static void setNodeGroup (NodeId, Uint32 nodeGroups[], Uint16 group)
static NodeId getTakeOverNode (NodeId, const Uint32 takeOver[])
static void setTakeOverNode (NodeId, Uint32 takeOver[], NodeId toNode)

Public Attributes

Uint32 systemRestartBits
Uint32 m_restart_seq
Uint32 keepGCI
Uint32 oldestRestorableGCI
Uint32 newestRestorableGCI
Uint32 latestLCP_ID
Uint32 lastCompletedGCI [MAX_NDB_NODES]
Uint32 nodeStatus [NODE_STATUS_SIZE]
Uint32 nodeGroups [NODE_GROUPS_SIZE]
Uint32 takeOver [TAKE_OVER_SIZE]
Uint32 lcpActive [NdbNodeBitmask::Size]

Detailed Description

This struct defines the format of P<X>.sysfile

Definition at line 57 of file Sysfile.hpp.

Member Enumeration Documentation

enum Sysfile::ActiveStatus

Active status bits

It takes 4 bits to represent it

Definition at line 99 of file Sysfile.hpp.

Member Function Documentation

bool Sysfile::getInitialStartOngoing ( const Uint32 &  systemRestartBits)
inlinestatic

Restart Info

i = Initial start completed r = Crash during system restart l = Crash during local checkpoint 

      1111111111222222222233

01234567890123456789012345678901 irl

Definition at line 160 of file Sysfile.hpp.

Sysfile::STATIC_CONST ( SYSFILE_SIZE32  = _SYSFILE_SIZE32)

No of 32 bits words in the sysfile

Sysfile::STATIC_CONST ( NODE_GROUPS_SIZE  = NODE_ARRAY_SIZE(MAX_NDB_NODES, NODEID_BITS))

The node group of each node Sizeof(NodeGroup) = 8 Bit

Sysfile::STATIC_CONST ( TAKE_OVER_SIZE  = NODE_ARRAY_SIZE(MAX_NDB_NODES, NODEID_BITS))

Any node can take over for any node

Member Data Documentation

Uint32 Sysfile::lastCompletedGCI[MAX_NDB_NODES]

Last completed GCI for each node

Definition at line 92 of file Sysfile.hpp.

Uint32 Sysfile::lcpActive[NdbNodeBitmask::Size]

Is a node running a LCP

Definition at line 140 of file Sysfile.hpp.

Uint32 Sysfile::m_restart_seq

Restart seq for this node...

Definition at line 70 of file Sysfile.hpp.

The documentation for this struct was generated from the following file: