Line data    Source code

       1             : /*
       2             :  * rmgrdesc.c
       3             :  *
       4             :  * pg_waldump resource managers definition
       5             :  *
       6             :  * src/bin/pg_waldump/rmgrdesc.c
       7             :  */
       8             : #define FRONTEND 1
       9             : #include "postgres.h"
      10             : 
      11             : #include "access/brin_xlog.h"
      12             : #include "access/clog.h"
      13             : #include "access/commit_ts.h"
      14             : #include "access/generic_xlog.h"
      15             : #include "access/ginxlog.h"
      16             : #include "access/gistxlog.h"
      17             : #include "access/hash_xlog.h"
      18             : #include "access/heapam_xlog.h"
      19             : #include "access/multixact.h"
      20             : #include "access/nbtxlog.h"
      21             : #include "access/rmgr.h"
      22             : #include "access/spgxlog.h"
      23             : #include "access/xact.h"
      24             : #include "access/xlog_internal.h"
      25             : #include "catalog/storage_xlog.h"
      26             : #include "commands/dbcommands_xlog.h"
      27             : #include "commands/sequence.h"
      28             : #include "commands/tablespace.h"
      29             : #include "replication/message.h"
      30             : #include "replication/origin.h"
      31             : #include "rmgrdesc.h"
      32             : #include "storage/standbydefs.h"
      33             : #include "utils/relmapper.h"
      34             : 
      35             : #define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
      36             :     { name, desc, identify},
      37             : 
      38             : static const RmgrDescData RmgrDescTable[RM_N_BUILTIN_IDS] = {
      39             : #include "access/rmgrlist.h"
      40             : };
      41             : 
      42             : #define CUSTOM_NUMERIC_NAME_LEN sizeof("custom###")
      43             : 
      44             : static char CustomNumericNames[RM_N_CUSTOM_IDS][CUSTOM_NUMERIC_NAME_LEN] = {{0}};
      45             : static RmgrDescData CustomRmgrDesc[RM_N_CUSTOM_IDS] = {{0}};
      46             : static bool CustomRmgrDescInitialized = false;
      47             : 
      48             : /*
      49             :  * No information on custom resource managers; just print the ID.
      50             :  */
      51             : static void
      52           0 : default_desc(StringInfo buf, XLogReaderState *record)
      53             : {
      54           0 :     appendStringInfo(buf, "rmid: %d", XLogRecGetRmid(record));
      55           0 : }
      56             : 
      57             : /*
      58             :  * No information on custom resource managers; just return NULL and let the
      59             :  * caller handle it.
      60             :  */
      61             : static const char *
      62           0 : default_identify(uint8 info)
      63             : {
      64           0 :     return NULL;
      65             : }
      66             : 
      67             : /*
      68             :  * We are unable to get the real name of a custom rmgr because the module is
      69             :  * not loaded. Generate a table of rmgrs with numeric names of the form
      70             :  * "custom###", where "###" is the 3-digit resource manager ID.
      71             :  */
      72             : static void
      73           4 : initialize_custom_rmgrs(void)
      74             : {
      75         516 :     for (int i = 0; i < RM_N_CUSTOM_IDS; i++)
      76             :     {
      77         512 :         snprintf(CustomNumericNames[i], CUSTOM_NUMERIC_NAME_LEN,
      78             :                  "custom%03d", i + RM_MIN_CUSTOM_ID);
      79         512 :         CustomRmgrDesc[i].rm_name = CustomNumericNames[i];
      80         512 :         CustomRmgrDesc[i].rm_desc = default_desc;
      81         512 :         CustomRmgrDesc[i].rm_identify = default_identify;
      82             :     }
      83           4 :     CustomRmgrDescInitialized = true;
      84           4 : }
      85             : 
      86             : const RmgrDescData *
      87      514892 : GetRmgrDesc(RmgrId rmid)
      88             : {
      89             :     Assert(RmgrIdIsValid(rmid));
      90             : 
      91      514892 :     if (RmgrIdIsBuiltin(rmid))
      92      514380 :         return &RmgrDescTable[rmid];
      93             :     else
      94             :     {
      95         512 :         if (!CustomRmgrDescInitialized)
      96           4 :             initialize_custom_rmgrs();
      97         512 :         return &CustomRmgrDesc[rmid - RM_MIN_CUSTOM_ID];
      98             :     }
      99             : }