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MDEV-7867: Add binlog header to GRA_.log file

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This commit is contained in:
Nirbhay Choubey
2015-04-01 18:25:40 -04:00
parent cbc5157feb
commit 575dd77504
6 changed files with 84 additions and 10 deletions
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62
sql/wsrep_binlog.cc
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@ -16,6 +16,8 @@
#include "wsrep_binlog.h"
#include "wsrep_priv.h"
#include "log.h"
#include "log_event.h"
#include "wsrep_applier.h"
extern handlerton *binlog_hton;
/*
@ -212,7 +214,10 @@ cleanup:
WSREP_ERROR("failed to reinitialize io-cache");
}
if (unlikely(WSREP_OK != err)) wsrep_dump_rbr_buf(thd, buf, used);
if (unlikely(WSREP_OK != err))
{
wsrep_dump_rbr_buf_with_header(thd, buf, used);
}
my_free(heap_buf);
return err;
@ -352,6 +357,7 @@ int wsrep_binlog_savepoint_rollback(THD *thd, void *sv)
return rcode;
}
#if 0
void wsrep_dump_rbr_direct(THD* thd, IO_CACHE* cache)
{
char filename[PATH_MAX]= {0};
@ -407,8 +413,62 @@ cleanup:
// close file
if (of) fclose(of);
}
#endif
void thd_binlog_flush_pending_rows_event(THD *thd, bool stmt_end)
{
thd->binlog_flush_pending_rows_event(stmt_end);
}
/* Dump replication buffer along with header to a file. */
void wsrep_dump_rbr_buf_with_header(THD *thd, const void *rbr_buf,
size_t buf_len)
{
char filename[PATH_MAX]= {0};
File file;
IO_CACHE cache;
Format_description_log_event *ev= wsrep_get_apply_format(thd);
int len= my_snprintf(filename, PATH_MAX, "%s/GRA_%ld_%lld_v2.log",
wsrep_data_home_dir, thd->thread_id,
(long long) wsrep_thd_trx_seqno(thd));
if (len >= PATH_MAX)
{
WSREP_ERROR("RBR dump path too long: %d, skipping dump.", len);
return;
}
if ((file= mysql_file_open(key_file_wsrep_gra_log, filename,
O_RDWR | O_CREAT | O_BINARY, MYF(MY_WME))) < 0)
{
WSREP_ERROR("Failed to open file '%s' : %d (%s)",
filename, errno, strerror(errno));
goto cleanup1;
}
if (init_io_cache(&cache, file, 0, WRITE_CACHE, 0, 0, MYF(MY_WME | MY_NABP)))
{
mysql_file_close(file, MYF(MY_WME));
goto cleanup2;
}
if (my_b_safe_write(&cache, BINLOG_MAGIC, BIN_LOG_HEADER_SIZE))
{
goto cleanup2;
}
if (ev->write(&cache) || my_b_write(&cache, rbr_buf, buf_len) ||
flush_io_cache(&cache))
{
WSREP_ERROR("Failed to write to '%s'.", filename);
goto cleanup2;
}
cleanup2:
end_io_cache(&cache);
cleanup1:
mysql_file_close(file, MYF(MY_WME));
}