summaryrefslogtreecommitdiff
path: root/sql/log.cc
diff options
context:
space:
mode:
Diffstat (limited to 'sql/log.cc')
-rw-r--r--sql/log.cc127
1 files changed, 64 insertions, 63 deletions
diff --git a/sql/log.cc b/sql/log.cc
index d245f49bf7d..c1e38a104ca 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -24,8 +24,6 @@
#include <stdarg.h>
#include <m_ctype.h> // For test_if_number
-
-
MYSQL_LOG mysql_log,mysql_update_log,mysql_slow_log,mysql_bin_log;
extern I_List<i_string> binlog_do_db, binlog_ignore_db;
@@ -76,7 +74,7 @@ static int find_uniq_filename(char *name)
-MYSQL_LOG::MYSQL_LOG(): file(0),index_file(0),last_time(0),query_start(0),
+MYSQL_LOG::MYSQL_LOG(): file(-1),index_file(-1),last_time(0),query_start(0),
name(0), log_type(LOG_CLOSED),write_error(0),inited(0),
no_rotate(0)
{
@@ -90,10 +88,10 @@ MYSQL_LOG::MYSQL_LOG(): file(0),index_file(0),last_time(0),query_start(0),
MYSQL_LOG::~MYSQL_LOG()
{
if (inited)
- {
- (void) pthread_mutex_destroy(&LOCK_log);
- (void) pthread_mutex_destroy(&LOCK_index);
- }
+ {
+ (void) pthread_mutex_destroy(&LOCK_log);
+ (void) pthread_mutex_destroy(&LOCK_index);
+ }
}
void MYSQL_LOG::set_index_file_name(const char* index_file_name)
@@ -128,13 +126,14 @@ int MYSQL_LOG::generate_new_name(char *new_name, const char *log_name)
void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
const char *new_name)
{
-
+ MY_STAT tmp_stat;
+ char buff[512];
if (!inited)
{
inited=1;
(void) pthread_mutex_init(&LOCK_log,NULL);
(void) pthread_mutex_init(&LOCK_index, NULL);
- if(log_type_arg == LOG_BIN && *fn_ext(log_name))
+ if (log_type_arg == LOG_BIN && *fn_ext(log_name))
no_rotate = 1;
}
@@ -149,13 +148,11 @@ void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
fn_format(index_file_name, name, mysql_data_home, ".index", 6);
db[0]=0;
- MY_STAT tmp_stat;
bool do_magic = ((log_type == LOG_BIN) && !my_stat(log_file_name,
&tmp_stat, MYF(0)));
- file=my_fopen(log_file_name,O_APPEND | O_WRONLY | O_BINARY,
- MYF(MY_WME | ME_WAITTANG));
- if (!file)
+ if ((file=my_open(log_file_name,O_APPEND | O_WRONLY | O_BINARY,
+ MYF(MY_WME | ME_WAITTANG)) < 0)
{
my_free(name,MYF(0));
name=0;
@@ -165,21 +162,21 @@ void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
if (log_type == LOG_NORMAL)
{
+ char *end;
#ifdef __NT__
- fprintf(file, "%s, Version: %s, started with:\nTCP Port: %d, Named Pipe: %s\n", my_progname, server_version, mysql_port, mysql_unix_port);
+ sprintf(buff, "%s, Version: %s, started with:\nTCP Port: %d, Named Pipe: %s\n", my_progname, server_version, mysql_port, mysql_unix_port);
#else
- fprintf(file, "%s, Version: %s, started with:\nTcp port: %d Unix socket: %s\n", my_progname,server_version,mysql_port,mysql_unix_port);
+ sprintf(buff, "%s, Version: %s, started with:\nTcp port: %d Unix socket: %s\n", my_progname,server_version,mysql_port,mysql_unix_port);
#endif
- fprintf(file,"Time Id Command Argument\n");
- (void) fflush(file);
+ end=strmov(strend(buff),"Time Id Command Argument\n");
+ my_write(file,buff,(uint) (end-buff),MYF(0));
}
else if (log_type == LOG_NEW)
{
time_t skr=time(NULL);
struct tm tm_tmp;
localtime_r(&skr,&tm_tmp);
-
- fprintf(file,"# %s, Version: %s at %02d%02d%02d %2d:%02d:%02d\n",
+ sprintf(buff,"# %s, Version: %s at %02d%02d%02d %2d:%02d:%02d\n",
my_progname,server_version,
tm_tmp.tm_year % 100,
tm_tmp.tm_mon+1,
@@ -187,7 +184,7 @@ void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
tm_tmp.tm_hour,
tm_tmp.tm_min,
tm_tmp.tm_sec);
- (void) fflush(file);
+ my_write(file,buff,(uint) strlen(buff),MYF(0));
}
else if (log_type == LOG_BIN)
{
@@ -198,25 +195,26 @@ void MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
// clean up if failed
// then if index_file has not been previously opened, try to open it
// clean up if failed
- if((do_magic && my_fwrite(file, (byte*)BINLOG_MAGIC, 4,
- MYF(MY_NABP|MY_WME)) ||
- (!index_file &&
- !(index_file = my_fopen(index_file_name,O_APPEND | O_BINARY | O_RDWR,
- MYF(MY_WME))))))
+
+ if ((do_magic && my_write(file, (byte*) BINLOG_MAGIC, 4,
+ MYF(MY_NABP|MY_WME)) ||
+ (index_file < 0 &&
+ (index_file = my_fopen(index_file_name,O_APPEND | O_BINARY | O_RDWR,
+ MYF(MY_WME))) < 0)))
{
- my_fclose(file,MYF(MY_WME));
+ my_close(file,MYF(MY_WME));
my_free(name,MYF(0));
name=0;
- file=0;
+ file= -1;
log_type=LOG_CLOSED;
return;
}
Start_log_event s;
s.write(file);
pthread_mutex_lock(&LOCK_index);
- my_fseek(index_file, 0L, MY_SEEK_END, MYF(MY_WME));
- fprintf(index_file, "%s\n", log_file_name);
- fflush(index_file);
+ my_seek(index_file, 0L, MY_SEEK_END, MYF(MY_WME));
+ my_write(index_file, log_file_name,strlen(log_file_name), MYF(0));
+ my_write(index_file, "\n",1, MYF(0));
pthread_mutex_unlock(&LOCK_index);
}
}
@@ -225,7 +223,7 @@ int MYSQL_LOG::get_current_log(LOG_INFO* linfo)
{
pthread_mutex_lock(&LOCK_log);
strmake(linfo->log_file_name, log_file_name, sizeof(linfo->log_file_name));
- linfo->pos = my_ftell(file, MYF(MY_WME));
+ linfo->pos = my_tell(file, MYF(MY_WME));
pthread_mutex_unlock(&LOCK_log);
return 0;
}
@@ -235,63 +233,66 @@ int MYSQL_LOG::find_first_log(LOG_INFO* linfo, const char* log_name)
{
// mutex needed because we need to make sure the file pointer does not move
// from under our feet
- if(!index_file) return LOG_INFO_INVALID;
+ if (index_file < 0) return LOG_INFO_INVALID;
int error = 0;
char* fname = linfo->log_file_name;
int log_name_len = (uint) strlen(log_name);
pthread_mutex_lock(&LOCK_index);
- if(my_fseek(index_file, 0L, MY_SEEK_SET, MYF(MY_WME) ) == MY_FILEPOS_ERROR)
+ if (my_seek(index_file, 0L, MY_SEEK_SET, MYF(MY_WME) ) == MY_FILEPOS_ERROR)
+ {
+ error = LOG_INFO_SEEK;
+ goto err;
+ }
+
+ for(;;)
+ {
+ if (!fgets(fname, FN_REFLEN, index_file))
{
- error = LOG_INFO_SEEK;
+ error = feof(index_file) ? LOG_INFO_EOF : LOG_INFO_IO;
goto err;
}
- for(;;)
+ // if the log entry matches, empty string matching anything
+ if (!log_name_len ||
+ (fname[log_name_len] == '\n' &&
+ !memcmp(fname, log_name, log_name_len)))
{
- if(!fgets(fname, FN_REFLEN, index_file))
- {
- error = feof(index_file) ? LOG_INFO_EOF : LOG_INFO_IO;
- goto err;
- }
-
- // if the log entry matches, empty string matching anything
- if(!log_name_len || (fname[log_name_len] == '\n' && !memcmp(fname, log_name, log_name_len)))
- {
- if(log_name_len)
- fname[log_name_len] = 0; // to kill \n
- else
- {
- *(strend(fname) - 1) = 0;
- }
- linfo->index_file_offset = my_ftell(index_file, MYF(MY_WME));
- break;
- }
+ if (log_name_len)
+ fname[log_name_len] = 0; // to kill \n
+ else
+ {
+ *(strend(fname) - 1) = 0;
+ }
+ linfo->index_file_offset = my_tell(index_file, MYF(MY_WME));
+ break;
}
-
+ }
error = 0;
err:
pthread_mutex_unlock(&LOCK_index);
return error;
}
+
+
int MYSQL_LOG::find_next_log(LOG_INFO* linfo)
{
// mutex needed because we need to make sure the file pointer does not move
// from under our feet
- if(!index_file) return LOG_INFO_INVALID;
+ if (!index_file) return LOG_INFO_INVALID;
int error = 0;
char* fname = linfo->log_file_name;
char* end ;
pthread_mutex_lock(&LOCK_index);
- if(my_fseek(index_file, linfo->index_file_offset, MY_SEEK_SET, MYF(MY_WME) ) == MY_FILEPOS_ERROR)
+ if (my_fseek(index_file, linfo->index_file_offset, MY_SEEK_SET, MYF(MY_WME) ) == MY_FILEPOS_ERROR)
{
error = LOG_INFO_SEEK;
goto err;
}
- if(!fgets(fname, FN_REFLEN, index_file))
+ if (!fgets(fname, FN_REFLEN, index_file))
{
error = feof(index_file) ? LOG_INFO_EOF : LOG_INFO_IO;
goto err;
@@ -310,11 +311,11 @@ err:
// we assume that buf has at least FN_REFLEN bytes alloced
void MYSQL_LOG::make_log_name(char* buf, const char* log_ident)
{
- if(inited)
+ if (inited)
{
int dir_len = dirname_length(log_file_name);
int ident_len = (uint) strlen(log_ident);
- if(dir_len + ident_len + 1 > FN_REFLEN)
+ if (dir_len + ident_len + 1 > FN_REFLEN)
{
buf[0] = 0;
return; // protection agains malicious buffer overflow
@@ -337,7 +338,7 @@ void MYSQL_LOG::new_file()
{
if (file)
{
- if(no_rotate) // do not rotate logs that are marked non-rotatable
+ if (no_rotate) // do not rotate logs that are marked non-rotatable
return; // ( for binlog with constant name)
char new_name[FN_REFLEN], *old_name=name;
@@ -469,14 +470,14 @@ void MYSQL_LOG::write(Query_log_event* event_info)
if (thd->insert_id_used)
{
Intvar_log_event e((uchar)INSERT_ID_EVENT, thd->last_insert_id);
- if(e.write(file))
+ if (e.write(file))
{
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
goto err;
}
}
- if(thd->convert_set)
+ if (thd->convert_set)
{
char buf[1024] = "SET CHARACTER SET ";
char* p = strend(buf);
@@ -485,7 +486,7 @@ void MYSQL_LOG::write(Query_log_event* event_info)
// just in case somebody wants it later
thd->query_length = (uint)(p - buf);
Query_log_event e(thd, buf);
- if(e.write(file))
+ if (e.write(file))
{
sql_print_error(ER(ER_ERROR_ON_WRITE), name, errno);
goto err;