Initial revision of NDB Cluster files

BitKeeper/etc/logging_ok: Logging to logging@openlogging.org accepted
2025-07-30 16:24:05 +03:00 · 2004-04-14 10:53:21 +02:00
parent 0ba6cb48d8
commit 6386c55cee
1835 changed files with 500032 additions and 0 deletions
--- a/ndb/include/kernel/signaldata/AccScan.hpp
+++ b/ndb/include/kernel/signaldata/AccScan.hpp
@ -0,0 +1,164 @@
+/* Copyright (C) 2003 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef ACC_SCAN_HPP
+#define ACC_SCAN_HPP
+
+#include "SignalData.hpp"
+
+/*
+ * Used by ACC and TUX scan.
+ */
+
+class AccScanReq {
+  /**
+   * Sender(s)
+   */
+  friend class Dblqh;
+
+  /**
+   * Reciver(s)
+   */
+  friend class Dbacc;
+  friend class Dbtux;
+public:
+  STATIC_CONST( SignalLength = 8 );
+  
+private:
+  Uint32 senderData;
+  Uint32 senderRef;
+  Uint32 tableId;
+  Uint32 fragmentNo;
+  Uint32 requestInfo;
+  Uint32 transId1;
+  Uint32 transId2;
+  Uint32 savePointId;
+
+  /**
+   * Previously there where also a scan type
+   */
+  static Uint32 getLockMode(const Uint32 & requestInfo);
+  static Uint32 getKeyinfoFlag(const Uint32 & requestInfo);
+  static Uint32 getReadCommittedFlag(const Uint32 & requestInfo);
+  
+  static void setLockMode(Uint32 & requestInfo, Uint32 lockMode);
+  static void setKeyinfoFlag(Uint32 & requestInfo, Uint32 keyinfo);
+  static void setReadCommittedFlag(Uint32 & requestInfo, Uint32 readCommitted);
+};
+
+/**
+ * Request Info
+ *
+ * l = Lock Mode             - 1  Bit 2
+ * k = Keyinfo               - 1  Bit 4
+ * h = Read Committed        - 1  Bit 5
+ *
+ *           1111111111222222222233
+ * 01234567890123456789012345678901
+ *   l kh    
+ */
+#define AS_LOCK_MODE_SHIFT       (2)
+#define AS_LOCK_MODE_MASK        (1)
+
+#define AS_KEYINFO_SHIFT         (4)
+#define AS_READ_COMMITTED_SHIFT  (5)
+
+inline 
+Uint32
+AccScanReq::getLockMode(const Uint32 & requestInfo){
+  return (requestInfo >> AS_LOCK_MODE_SHIFT) & AS_LOCK_MODE_MASK;
+}
+
+inline
+Uint32
+AccScanReq::getKeyinfoFlag(const Uint32 & requestInfo){
+  return (requestInfo >> AS_KEYINFO_SHIFT) & 1;
+}
+
+inline
+Uint32
+AccScanReq::getReadCommittedFlag(const Uint32 & requestInfo){
+  return (requestInfo >> AS_READ_COMMITTED_SHIFT) & 1;
+}
+
+inline
+void
+AccScanReq::setLockMode(UintR & requestInfo, UintR val){
+  ASSERT_MAX(val, AS_LOCK_MODE_MASK, "AccScanReq::setLockMode");
+  requestInfo |= (val << AS_LOCK_MODE_SHIFT);
+}
+
+inline
+void
+AccScanReq::setKeyinfoFlag(UintR & requestInfo, UintR val){
+  ASSERT_BOOL(val, "AccScanReq::setKeyinfoFlag");
+  requestInfo |= (val << AS_KEYINFO_SHIFT);
+}
+
+inline
+void
+AccScanReq::setReadCommittedFlag(UintR & requestInfo, UintR val){
+  ASSERT_BOOL(val, "AccScanReq::setReadCommittedFlag");
+  requestInfo |= (val << AS_READ_COMMITTED_SHIFT);
+}
+
+class AccScanConf {
+  /**
+   * Sender(s)
+   */
+  friend class Dbacc;
+  friend class Dbtux;
+
+  /**
+   * Reciver(s)
+   */
+  friend class Dblqh;
+
+  enum {
+    ZEMPTY_FRAGMENT = 0,
+    ZNOT_EMPTY_FRAGMENT = 1
+  };
+
+public:
+  STATIC_CONST( SignalLength = 8 );
+  
+private:
+  Uint32 scanPtr;
+  Uint32 accPtr;
+  Uint32 unused1;
+  Uint32 unused2;
+  Uint32 unused3;
+  Uint32 unused4;
+  Uint32 unused5;
+  Uint32 flag;
+};
+
+class AccCheckScan {
+  friend class Dbacc;
+  friend class Dbtux;
+  friend class Dblqh;
+  enum {
+    ZCHECK_LCP_STOP = 0,
+    ZNOT_CHECK_LCP_STOP = 1
+  };
+public:
+  STATIC_CONST( SignalLength = 2 );
+private:
+  Uint32 accPtr;                // scanptr.i in ACC or TUX
+  Uint32 checkLcpStop;          // from enum
+};
+
+#endif