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authorunknown <monty@mashka.mysql.fi>2002-06-11 11:20:31 +0300
committerunknown <monty@mashka.mysql.fi>2002-06-11 11:20:31 +0300
commit70aa7424c41c45a8fb171bbdd9e24d74b70a7765 (patch)
tree8fcaabe013fff43cf466235067f2c47f0cd66531 /client/mysqlbinlog.cc
parent30d5eb22877d0546fb4bd93ead7e8602285d449b (diff)
downloadmariadb-git-70aa7424c41c45a8fb171bbdd9e24d74b70a7765.tar.gz
Big code cleanup/review before 4.0.2 release.
(All commit emails since 4.0.1 checked) This had to be done now, before the 4.1 tree changes to much, to make it easy to propagate bug fixes to the 4.1 tree. BUILD/SETUP.sh: Added -DPEDANTIC_SAFEMALLOC as standard debug option Docs/manual.texi: Changes for new version. client/mysql.cc: Fixed default value for rehash cleanup client/mysqladmin.c: Cleanup client/mysqlbinlog.cc: cleanup client/mysqldump.c: Cleanup client/mysqlmanager-pwgen.c: Cleanup client/mysqlmanagerc.c: Cleanup client/mysqltest.c: Cleanup dbug/dbug.c: Cleanup extra/resolve_stack_dump.c: Cleanup & Simple optimizations include/ft_global.h: Cleanup include/my_alloc.h: Cleanup include/my_global.h: Cleanup include/my_sys.h: Cleanup include/myisam.h: Cleanup libmysql/libmysql.c: Cleanup libmysql/manager.c: Cleanup myisam/ft_boolean_search.c: Cleanup myisam/ft_dump.c: Change strcpy -> strmov myisam/ft_eval.c: Cleanup myisam/ft_nlq_search.c: Cleanup myisam/ft_test1.c: strncpy -> strnmov myisam/ft_update.c: Cleanup myisam/mi_static.c: Cleanup myisam/mi_test2.c: Cleanup myisam/mi_write.c: Cleanup mysys/mf_fn_ext.c: Cleanup mysys/mf_iocache.c: Cleanup mysys/mf_iocache2.c: Cleanup mysys/my_getopt.c: Cleanup mysys/my_read.c: Cleanup mysys/my_thr_init.c: Cleanup mysys/queues.c: Cleanup mysys/safemalloc.c: Cleanup sql/field.cc: Indentation cleanups sql/ha_berkeley.cc: Indentation cleanups sql/ha_myisam.cc: Cleanup sql/item.h: Indentation cleanups sql/item_cmpfunc.cc: Indentation cleanups sql/item_create.cc: cleanup sql/item_func.cc: Cleanup sql/item_func.h: Indentation cleanups sql/item_strfunc.cc: Indentation cleanups sql/item_sum.cc: Indentation cleanups sql/item_timefunc.cc: Indentation cleanups sql/lock.cc: Indentation cleanups sql/log.cc: Cleanup strnmov -> strmake sql/log_event.cc: Cleanup + optimizations Fixed memory leak Added missing pthread_mutex_unlock() (On error condition) sql/log_event.h: Indentation and comment cleanup Merged #ifdef's into common blocks for better readability sql/mini_client.cc: Indentation cleanup sql/mysql_priv.h: Cleanup Changed int function to bool sql/mysqld.cc: Indentation and comment cleanup sql/net_pkg.cc: Indentation cleanup sql/net_serv.cc: Changed int function -> bool sql/nt_servc.cc: Cleanup sql/opt_range.cc: Indentation cleanup sql/repl_failsafe.cc: Cleanup + simple optimization strnmov -> strmake sql/slave.cc: strnmov -> strmake Cleanups sql/slave.h: Cleanup sql/sql_acl.cc: Indentation and DBUG_PRINT cleanup Changed WITH MAX... to not use = sql/sql_base.cc: Indentation cleanup sql/sql_cache.cc: Indentation cleanup sql/sql_class.cc: Indentation cleanup sql/sql_class.h: Renamed some struct slots sql/sql_delete.cc: Indentation cleanup sql/sql_handler.cc: Indentation cleanup sql/sql_insert.cc: Use new slot names. sql/sql_lex.cc: Indentation cleanup sql/sql_lex.h: Indentation cleanup sql/sql_load.cc: Indentation cleanup sql/sql_parse.cc: Indentation cleanup Removed not used check from LOCK TABLES sql/sql_repl.cc: strnmov -> strmake sql/sql_repl.h: Removed test if file is included (We want to know if it's included twice to avoid this) sql/sql_select.cc: Indentation cleanup sql/sql_show.cc: Indentation cleanup sql/sql_string.cc: Indentation cleanup sql/sql_table.cc: Indentation cleanup sql/sql_union.cc: Use renamed struct slot sql/sql_update.cc: Indentation cleanup sql/sql_yacc.yy: Removed = after GRANT ... MAX_ to make the syntax uniform sql/table.cc: Indentation cleanup sql/table.h: Indentation cleanup sql/time.cc: Indentation cleanup sql/udf_example.cc: Indentation cleanup sql/unireg.cc: strnmov -> strmake tests/grant.pl: Added test for LOCK TABLES tools/mysqlmanager.c: Cleanup fopen() -> my_fopen() vio/viosocket.c: DBUG_PRINT cleanups vio/viosslfactories.c: Indentation cleanup Checking of results from malloc() Fixed possible memory leak BitKeeper/etc/ignore: Added scripts/mysql_secure_installation to the ignore list BitKeeper/etc/logging_ok: Logging to logging@openlogging.org accepted
Diffstat (limited to 'client/mysqlbinlog.cc')
-rw-r--r--client/mysqlbinlog.cc81
1 files changed, 39 insertions, 42 deletions
diff --git a/client/mysqlbinlog.cc b/client/mysqlbinlog.cc
index 3020e105954..f7b381d72fa 100644
--- a/client/mysqlbinlog.cc
+++ b/client/mysqlbinlog.cc
@@ -20,7 +20,9 @@
#include <time.h>
#include "log_event.h"
-#define PROBE_HEADER_LEN (4+EVENT_LEN_OFFSET+4)
+#define BIN_LOG_HEADER_SIZE 4
+#define PROBE_HEADER_LEN (BIN_LOG_HEADER_SIZE+EVENT_LEN_OFFSET+4)
+
#define CLIENT_CAPABILITIES (CLIENT_LONG_PASSWORD | CLIENT_LONG_FLAG | CLIENT_LOCAL_FILES)
@@ -178,8 +180,7 @@ static my_bool
get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
char *argument)
{
- switch(optid)
- {
+ switch(optid) {
#ifndef DBUG_OFF
case '#':
DBUG_PUSH(argument ? argument : default_dbug_option);
@@ -234,7 +235,7 @@ static MYSQL* safe_connect()
if(!local_mysql)
die("Failed on mysql_init");
- if(!mysql_real_connect(local_mysql, host, user, pass, 0, port, 0, 0))
+ if (!mysql_real_connect(local_mysql, host, user, pass, 0, port, 0, 0))
die("failed on connect: %s", mysql_error(local_mysql));
return local_mysql;
@@ -242,7 +243,7 @@ static MYSQL* safe_connect()
static void dump_log_entries(const char* logname)
{
- if(use_remote)
+ if (use_remote)
dump_remote_log_entries(logname);
else
dump_local_log_entries(logname);
@@ -254,7 +255,7 @@ static void dump_remote_table(NET* net, const char* db, const char* table)
char * p = buf;
uint table_len = (uint) strlen(table);
uint db_len = (uint) strlen(db);
- if(table_len + db_len > sizeof(buf) - 2)
+ if (table_len + db_len > sizeof(buf) - 2)
die("Buffer overrun");
*p++ = db_len;
@@ -263,14 +264,14 @@ static void dump_remote_table(NET* net, const char* db, const char* table)
*p++ = table_len;
memcpy(p, table, table_len);
- if(simple_command(mysql, COM_TABLE_DUMP, buf, p - buf + table_len, 1))
+ if (simple_command(mysql, COM_TABLE_DUMP, buf, p - buf + table_len, 1))
die("Error sending the table dump command");
- for(;;)
+ for (;;)
{
uint packet_len = my_net_read(net);
- if(packet_len == 0) break; // end of file
- if(packet_len == packet_error)
+ if (packet_len == 0) break; // end of file
+ if (packet_len == packet_error)
die("Error reading packet in table dump");
my_fwrite(result_file, (byte*)net->read_pos, packet_len, MYF(MY_WME));
fflush(result_file);
@@ -284,8 +285,8 @@ static int check_master_version(MYSQL* mysql)
const char* version;
int old_format = 0;
- if (mysql_query(mysql, "SELECT VERSION()")
- || !(res = mysql_store_result(mysql)))
+ if (mysql_query(mysql, "SELECT VERSION()") ||
+ !(res = mysql_store_result(mysql)))
{
mysql_close(mysql);
die("Error checking master version: %s",
@@ -305,12 +306,12 @@ static int check_master_version(MYSQL* mysql)
die("Master reported NULL for the version");
}
- switch (*version)
- {
+ switch (*version) {
case '3':
old_format = 1;
break;
case '4':
+ case '5':
old_format = 0;
break;
default:
@@ -324,6 +325,7 @@ static int check_master_version(MYSQL* mysql)
return old_format;
}
+
static void dump_remote_log_entries(const char* logname)
{
char buf[128];
@@ -333,38 +335,38 @@ static void dump_remote_log_entries(const char* logname)
int old_format;
old_format = check_master_version(mysql);
- if(!position) position = 4; // protect the innocent from spam
- if (position < 4)
+ if (!position)
+ position = BIN_LOG_HEADER_SIZE; // protect the innocent from spam
+ if (position < BIN_LOG_HEADER_SIZE)
{
- position = 4;
+ position = BIN_LOG_HEADER_SIZE;
// warn the guity
- sql_print_error("Warning: The position in the binary log can't be less than 4.\nStarting from position 4\n");
+ sql_print_error("Warning: The position in the binary log can't be less than %d.\nStarting from position %d\n", BIN_LOG_HEADER_SIZE, BIN_LOG_HEADER_SIZE);
}
int4store(buf, position);
- int2store(buf + 4, binlog_flags);
+ int2store(buf + BIN_LOG_HEADER_SIZE, binlog_flags);
len = (uint) strlen(logname);
int4store(buf + 6, 0);
memcpy(buf + 10, logname,len);
if (simple_command(mysql, COM_BINLOG_DUMP, buf, len + 10, 1))
die("Error sending the log dump command");
- for(;;)
+ for (;;)
{
const char *error;
len = net_safe_read(mysql);
if (len == packet_error)
die("Error reading packet from server: %s", mysql_error(mysql));
- if(len == 1 && net->read_pos[0] == 254)
+ if (len == 1 && net->read_pos[0] == 254)
break; // end of data
DBUG_PRINT("info",( "len= %u, net->read_pos[5] = %d\n",
len, net->read_pos[5]));
- Log_event * ev = Log_event::read_log_event(
- (const char*) net->read_pos + 1 ,
- len - 1, &error, old_format);
+ Log_event *ev = Log_event::read_log_event((const char*) net->read_pos + 1 ,
+ len - 1, &error, old_format);
if (ev)
{
ev->print(result_file, short_form, last_db);
- if(ev->get_type_code() == LOAD_EVENT)
+ if (ev->get_type_code() == LOAD_EVENT)
dump_remote_file(net, ((Load_log_event*)ev)->fname);
delete ev;
}
@@ -373,10 +375,11 @@ static void dump_remote_log_entries(const char* logname)
}
}
+
static int check_header(IO_CACHE* file)
{
byte buf[PROBE_HEADER_LEN];
- int old_format;
+ int old_format=0;
my_off_t pos = my_b_tell(file);
my_b_seek(file, (my_off_t)0);
@@ -388,8 +391,6 @@ static int check_header(IO_CACHE* file)
event_len = uint4korr(buf + EVENT_LEN_OFFSET + 4);
old_format = (event_len < LOG_EVENT_HEADER_LEN + START_HEADER_LEN);
}
- else
- old_format = 0;
my_b_seek(file, pos);
return old_format;
}
@@ -425,7 +426,7 @@ static void dump_local_log_entries(const char* logname)
for (length= (my_off_t) position ; length > 0 ; length-=tmp)
{
tmp=min(length,sizeof(buff));
- if (my_b_read(file,buff, (uint) tmp))
+ if (my_b_read(file, buff, (uint) tmp))
exit(1);
}
}
@@ -435,10 +436,10 @@ static void dump_local_log_entries(const char* logname)
if (!position)
{
- char magic[4];
+ char magic[BIN_LOG_HEADER_SIZE];
if (my_b_read(file, (byte*) magic, sizeof(magic)))
die("I/O error reading binlog magic number");
- if(memcmp(magic, BINLOG_MAGIC, 4))
+ if (memcmp(magic, BINLOG_MAGIC, 4))
die("Bad magic number; The file is probably not a MySQL binary log");
}
@@ -498,7 +499,7 @@ Could not read entry at offset %s : Error in log format or read error",
rec_count++;
delete ev;
}
- if(fd >= 0)
+ if (fd >= 0)
my_close(fd, MYF(MY_WME));
end_io_cache(file);
}
@@ -509,34 +510,30 @@ int main(int argc, char** argv)
MY_INIT(argv[0]);
parse_args(&argc, (char***)&argv);
- if(!argc && !table)
+ if (!argc && !table)
{
usage();
return -1;
}
- if(use_remote)
- {
+ if (use_remote)
mysql = safe_connect();
- }
if (table)
{
- if(!use_remote)
+ if (!use_remote)
die("You must specify connection parameter to get table dump");
- char* db = (char*)table;
+ char* db = (char*) table;
char* tbl = (char*) strchr(table, '.');
- if(!tbl)
+ if (!tbl)
die("You must use database.table syntax to specify the table");
*tbl++ = 0;
dump_remote_table(&mysql->net, db, tbl);
}
else
{
- while(--argc >= 0)
- {
+ while (--argc >= 0)
dump_log_entries(*(argv++));
- }
}
if (result_file != stdout)
my_fclose(result_file, MYF(0));