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merge

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monty@narttu.mysql.fi
2000-11-16 00:24:11 +02:00
parent 49a245f4fa e69becf133
commit b689a1a752
56 changed files with 1946 additions and 1506 deletions
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298
sql/log_event.cc
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@@ -26,84 +26,78 @@
static void pretty_print_char(FILE* file, int c)
{
fputc('\'', file);
switch(c)
{
case '\n': fprintf(file, "\\n"); break;
case '\r': fprintf(file, "\\r"); break;
case '\\': fprintf(file, "\\\\"); break;
case '\b': fprintf(file, "\\b"); break;
case '\'': fprintf(file, "\\'"); break;
case 0 : fprintf(file, "\\0"); break;
default:
fputc(c, file);
break;
}
fputc( '\'', file);
switch(c) {
case '\n': fprintf(file, "\\n"); break;
case '\r': fprintf(file, "\\r"); break;
case '\\': fprintf(file, "\\\\"); break;
case '\b': fprintf(file, "\\b"); break;
case '\'': fprintf(file, "\\'"); break;
case 0 : fprintf(file, "\\0"); break;
default:
fputc(c, file);
break;
}
fputc('\'', file);
}
int Query_log_event::write(FILE* file)
int Query_log_event::write(IO_CACHE* file)
{
return query ? Log_event::write(file) : -1;
}
int Log_event::write(FILE* file)
int Log_event::write(IO_CACHE* file)
{
if (write_header(file)
|| write_data(file) || fflush(file)) return -1;
return 0;
return (write_header(file) || write_data(file)) ? -1 : 0;
}
int Log_event::write_header(FILE* file)
int Log_event::write_header(IO_CACHE* file)
{
char buf[LOG_EVENT_HEADER_LEN];
// make sure to change this when the header gets bigger
char buf[LOG_EVENT_HEADER_LEN];
char* pos = buf;
int4store(pos, when); // timestamp
pos += 4;
*pos++ = get_type_code(); // event type code
int4store(pos, server_id);
pos += 4;
int4store(pos, get_data_size() + LOG_EVENT_HEADER_LEN);
long tmp=get_data_size() + LOG_EVENT_HEADER_LEN;
int4store(pos, tmp);
pos += 4;
return (my_fwrite(file, (byte*) buf, (uint) (pos - buf),
MYF(MY_NABP | MY_WME)));
return (my_b_write(file, (byte*) buf, (uint) (pos - buf)));
}
#ifndef MYSQL_CLIENT
int Log_event::read_log_event(FILE* file, String* packet,
int Log_event::read_log_event(IO_CACHE* file, String* packet,
pthread_mutex_t* log_lock)
{
ulong data_len;
char buf[LOG_EVENT_HEADER_LEN];
if(log_lock)
if (log_lock)
pthread_mutex_lock(log_lock);
if (my_fread(file, (byte*)buf, sizeof(buf), MYF(MY_NABP)))
{
if(log_lock) pthread_mutex_unlock(log_lock);
return feof(file) ? LOG_READ_EOF: LOG_READ_IO;
}
if (my_b_read(file, (byte*) buf, sizeof(buf)))
{
if (log_lock) pthread_mutex_unlock(log_lock);
return file->error >= 0 ? LOG_READ_TRUNC: LOG_READ_IO;
}
data_len = uint4korr(buf + EVENT_LEN_OFFSET);
if (data_len < LOG_EVENT_HEADER_LEN || data_len > MAX_EVENT_LEN)
{
if(log_lock) pthread_mutex_unlock(log_lock);
return LOG_READ_BOGUS;
}
{
if (log_lock) pthread_mutex_unlock(log_lock);
return LOG_READ_BOGUS;
}
packet->append(buf, sizeof(buf));
data_len -= LOG_EVENT_HEADER_LEN;
if (!data_len)
{
if(log_lock) pthread_mutex_unlock(log_lock);
return 0; // the event does not have a data section
}
if (packet->append(file, data_len, MYF(MY_WME|MY_NABP)))
if (data_len)
{
if (packet->append(file, data_len))
{
if(log_lock)
pthread_mutex_unlock(log_lock);
return feof(file) ? LOG_READ_TRUNC: LOG_READ_IO;
return file->error >= 0 ? LOG_READ_TRUNC: LOG_READ_IO;
}
if(log_lock) pthread_mutex_unlock(log_lock);
}
if (log_lock) pthread_mutex_unlock(log_lock);
return 0;
}
@@ -111,18 +105,18 @@ int Log_event::read_log_event(FILE* file, String* packet,
// allocates memory - the caller is responsible for clean-up
Log_event* Log_event::read_log_event(FILE* file, pthread_mutex_t* log_lock)
Log_event* Log_event::read_log_event(IO_CACHE* file, pthread_mutex_t* log_lock)
{
time_t timestamp;
uint32 server_id;
char buf[LOG_EVENT_HEADER_LEN-4];
if(log_lock) pthread_mutex_lock(log_lock);
if (my_fread(file, (byte *) buf, sizeof(buf), MY_NABP))
{
if(log_lock) pthread_mutex_unlock(log_lock);
return NULL;
}
if (my_b_read(file, (byte *) buf, sizeof(buf)))
{
if (log_lock) pthread_mutex_unlock(log_lock);
return NULL;
}
timestamp = uint4korr(buf);
server_id = uint4korr(buf + 5);
@@ -132,13 +126,11 @@ Log_event* Log_event::read_log_event(FILE* file, pthread_mutex_t* log_lock)
{
Query_log_event* q = new Query_log_event(file, timestamp, server_id);
if(log_lock) pthread_mutex_unlock(log_lock);
if (!q->query)
{
delete q;
return NULL;
q=NULL;
}
return q;
}
@@ -146,13 +138,11 @@ Log_event* Log_event::read_log_event(FILE* file, pthread_mutex_t* log_lock)
{
Load_log_event* l = new Load_log_event(file, timestamp, server_id);
if(log_lock) pthread_mutex_unlock(log_lock);
if (!l->table_name)
{
delete l;
return NULL;
l=NULL;
}
return l;
}
@@ -165,9 +155,8 @@ Log_event* Log_event::read_log_event(FILE* file, pthread_mutex_t* log_lock)
if (!r->new_log_ident)
{
delete r;
return NULL;
r=NULL;
}
return r;
}
@@ -179,9 +168,8 @@ Log_event* Log_event::read_log_event(FILE* file, pthread_mutex_t* log_lock)
if (e->type == INVALID_INT_EVENT)
{
delete e;
return NULL;
e=NULL;
}
return e;
}
@@ -198,12 +186,11 @@ Log_event* Log_event::read_log_event(FILE* file, pthread_mutex_t* log_lock)
return e;
}
default:
if(log_lock) pthread_mutex_unlock(log_lock);
return NULL;
break;
}
//impossible
if(log_lock) pthread_mutex_unlock(log_lock);
// default
if (log_lock) pthread_mutex_unlock(log_lock);
return NULL;
}
@@ -323,26 +310,24 @@ void Rotate_log_event::print(FILE* file, bool short_form)
fflush(file);
}
Rotate_log_event::Rotate_log_event(FILE* file, time_t when_arg,
Rotate_log_event::Rotate_log_event(IO_CACHE* file, time_t when_arg,
uint32 server_id):
Log_event(when_arg, 0, 0, server_id),new_log_ident(NULL),alloced(0)
{
char *tmp_ident;
char buf[4];
if (my_fread(file, (byte*) buf, sizeof(buf), MYF(MY_NABP | MY_WME)))
if (my_b_read(file, (byte*) buf, sizeof(buf)))
return;
ulong event_len;
event_len = uint4korr(buf);
if(event_len < ROTATE_EVENT_OVERHEAD)
if (event_len < ROTATE_EVENT_OVERHEAD)
return;
ident_len = (uchar)(event_len - ROTATE_EVENT_OVERHEAD);
if (!(tmp_ident = (char*) my_malloc((uint)ident_len, MYF(MY_WME))))
return;
if (my_fread( file, (byte*) tmp_ident, (uint)ident_len, MYF(MY_NABP | MY_WME)))
if (my_b_read( file, (byte*) tmp_ident, (uint) ident_len))
{
my_free((gptr) tmp_ident, MYF(0));
return;
@@ -376,21 +361,18 @@ Rotate_log_event::Rotate_log_event(const char* buf, int event_len):
alloced = 1;
}
int Rotate_log_event::write_data(FILE* file)
int Rotate_log_event::write_data(IO_CACHE* file)
{
if (my_fwrite(file, (byte*) new_log_ident, (uint) ident_len,
MYF(MY_NABP | MY_WME)))
return -1;
return 0;
return my_b_write(file, (byte*) new_log_ident, (uint) ident_len) ? -1 :0;
}
Query_log_event::Query_log_event(FILE* file, time_t when_arg,
Query_log_event::Query_log_event(IO_CACHE* file, time_t when_arg,
uint32 server_id):
Log_event(when_arg,0,0,server_id),data_buf(0),query(NULL),db(NULL)
{
char buf[QUERY_HEADER_LEN + 4];
ulong data_len;
if (my_fread(file, (byte*) buf, sizeof(buf), MYF(MY_NABP | MY_WME)))
if (my_b_read(file, (byte*) buf, sizeof(buf)))
return; // query == NULL will tell the
// caller there was a problem
data_len = uint4korr(buf);
@@ -402,9 +384,10 @@ Query_log_event::Query_log_event(FILE* file, time_t when_arg,
db_len = (uint)buf[12];
error_code = uint2korr(buf + 13);
/* Allocate one byte extra for end \0 */
if (!(data_buf = (char*) my_malloc(data_len+1, MYF(MY_WME))))
return;
if (my_fread( file, (byte*) data_buf, data_len, MYF(MY_NABP | MY_WME)))
if (my_b_read( file, (byte*) data_buf, data_len))
{
my_free((gptr) data_buf, MYF(0));
data_buf = 0;
@@ -415,7 +398,7 @@ Query_log_event::Query_log_event(FILE* file, time_t when_arg,
db = data_buf;
query=data_buf + db_len + 1;
q_len = data_len - 1 - db_len;
*((char*)query + q_len) = 0;
*((char*) query + q_len) = 0; // Safety
}
Query_log_event::Query_log_event(const char* buf, int event_len):
@@ -430,7 +413,7 @@ Query_log_event::Query_log_event(const char* buf, int event_len):
exec_time = uint4korr(buf + 8);
error_code = uint2korr(buf + 13);
if (!(data_buf = (char*) my_malloc( data_len + 1, MYF(MY_WME))))
if (!(data_buf = (char*) my_malloc(data_len + 1, MYF(MY_WME))))
return;
memcpy(data_buf, buf + QUERY_HEADER_LEN + 4, data_len);
@@ -457,9 +440,9 @@ void Query_log_event::print(FILE* file, bool short_form)
fprintf(file, ";\n");
}
int Query_log_event::write_data(FILE* file)
int Query_log_event::write_data(IO_CACHE* file)
{
if(!query) return -1;
if (!query) return -1;
char buf[QUERY_HEADER_LEN];
char* pos = buf;
@@ -471,23 +454,21 @@ int Query_log_event::write_data(FILE* file)
int2store(pos, error_code);
pos += 2;
if (my_fwrite(file, (byte*) buf, (uint)(pos - buf), MYF(MY_NABP | MY_WME)) ||
my_fwrite(file, (db) ? (byte*) db : (byte*)"",
db_len + 1, MYF(MY_NABP | MY_WME)) ||
my_fwrite(file, (byte*) query, q_len, MYF(MY_NABP | MY_WME)))
return -1;
return 0;
return (my_b_write(file, (byte*) buf, (uint)(pos - buf)) ||
my_b_write(file, (db) ? (byte*) db : (byte*)"", db_len + 1) ||
my_b_write(file, (byte*) query, q_len)) ? -1 : 0;
}
Intvar_log_event:: Intvar_log_event(FILE* file, time_t when_arg,
Intvar_log_event:: Intvar_log_event(IO_CACHE* file, time_t when_arg,
uint32 server_id)
:Log_event(when_arg,0,0,server_id), type(INVALID_INT_EVENT)
{
my_fseek(file, 4L, MY_SEEK_CUR, MYF(MY_WME)); // skip the event length
char buf[9];
if(my_fread(file, (byte*)buf, sizeof(buf), MYF(MY_NABP|MY_WME))) return;
type = buf[0];
val = uint8korr(buf+1);
char buf[9+4];
if (!my_b_read(file, (byte*) buf, sizeof(buf)))
{
type = buf[4];
val = uint8korr(buf+1+4);
}
}
Intvar_log_event::Intvar_log_event(const char* buf):Log_event(buf)
@@ -497,12 +478,12 @@ Intvar_log_event::Intvar_log_event(const char* buf):Log_event(buf)
val = uint8korr(buf+1);
}
int Intvar_log_event::write_data(FILE* file)
int Intvar_log_event::write_data(IO_CACHE* file)
{
char buf[9];
buf[0] = type;
int8store(buf + 1, val);
return my_fwrite(file, (byte*) buf, sizeof(buf), MYF(MY_NABP|MY_WME));
return my_b_write(file, (byte*) buf, sizeof(buf));
}
void Intvar_log_event::print(FILE* file, bool short_form)
@@ -529,7 +510,7 @@ void Intvar_log_event::print(FILE* file, bool short_form)
}
int Load_log_event::write_data(FILE* file __attribute__((unused)))
int Load_log_event::write_data(IO_CACHE* file)
{
char buf[LOAD_HEADER_LEN];
int4store(buf, thread_id);
@@ -539,77 +520,46 @@ int Load_log_event::write_data(FILE* file __attribute__((unused)))
buf[13] = (char)db_len;
int4store(buf + 14, num_fields);
if(my_fwrite(file, (byte*)buf, sizeof(buf), MYF(MY_NABP|MY_WME)) ||
my_fwrite(file, (byte*)&sql_ex, sizeof(sql_ex), MYF(MY_NABP|MY_WME)))
if(my_b_write(file, (byte*)buf, sizeof(buf)) ||
my_b_write(file, (byte*)&sql_ex, sizeof(sql_ex)))
return 1;
if(num_fields && fields && field_lens)
{
if(my_fwrite(file, (byte*)field_lens, num_fields, MYF(MY_NABP|MY_WME)) ||
my_fwrite(file, (byte*)fields, field_block_len, MYF(MY_NABP|MY_WME)))
return 1;
}
if(my_fwrite(file, (byte*)table_name, table_name_len + 1, MYF(MY_NABP|MY_WME)) ||
my_fwrite(file, (byte*)db, db_len + 1, MYF(MY_NABP|MY_WME)) ||
my_fwrite(file, (byte*)fname, fname_len, MYF(MY_NABP|MY_WME)) )
if (num_fields && fields && field_lens)
{
if(my_b_write(file, (byte*)field_lens, num_fields) ||
my_b_write(file, (byte*)fields, field_block_len))
return 1;
}
if(my_b_write(file, (byte*)table_name, table_name_len + 1) ||
my_b_write(file, (byte*)db, db_len + 1) ||
my_b_write(file, (byte*)fname, fname_len))
return 1;
return 0;
}
Load_log_event::Load_log_event(FILE* file, time_t when, uint32 server_id):
Load_log_event::Load_log_event(IO_CACHE* file, time_t when, uint32 server_id):
Log_event(when,0,0,server_id),data_buf(0),num_fields(0),
fields(0),field_lens(0),field_block_len(0),
table_name(0),db(0),fname(0)
{
char buf[LOAD_HEADER_LEN + 4];
ulong data_len;
if(my_fread(file, (byte*)buf, sizeof(buf), MYF(MY_NABP|MY_WME)) ||
my_fread(file, (byte*)&sql_ex, sizeof(sql_ex), MYF(MY_NABP|MY_WME)))
if (my_b_read(file, (byte*)buf, sizeof(buf)) ||
my_b_read(file, (byte*)&sql_ex, sizeof(sql_ex)))
return;
data_len = uint4korr(buf);
thread_id = uint4korr(buf+4);
exec_time = uint4korr(buf+8);
skip_lines = uint4korr(buf + 12);
table_name_len = (uint)buf[16];
db_len = (uint)buf[17];
num_fields = uint4korr(buf + 18);
data_len -= LOAD_EVENT_OVERHEAD;
if(!(data_buf = (char*)my_malloc(data_len + 1, MYF(MY_WME))))
data_len = uint4korr(buf) - LOAD_EVENT_OVERHEAD;
if (!(data_buf = (char*)my_malloc(data_len + 1, MYF(MY_WME))))
return;
if(my_fread(file, (byte*)data_buf, data_len, MYF(MY_NABP|MY_WME)))
if (my_b_read(file, (byte*)data_buf, data_len))
return;
if(num_fields > data_len) // simple sanity check against corruption
return;
field_lens = (uchar*)data_buf;
uint i;
for(i = 0; i < num_fields; i++)
{
field_block_len += (uint)field_lens[i] + 1;
}
fields = (char*)field_lens + num_fields;
*((char*)data_buf+data_len) = 0;
table_name = fields + field_block_len;
db = table_name + table_name_len + 1;
fname = db + db_len + 1;
fname_len = data_len - 2 - db_len - table_name_len - num_fields - field_block_len;
copy_log_event(buf,data_len);
}
Load_log_event::Load_log_event(const char* buf, int event_len):
Log_event(when,0,0,server_id),data_buf(0),num_fields(0),fields(0),
field_lens(0),field_block_len(0),
table_name(0),db(0),fname(0)
{
ulong data_len;
@@ -617,9 +567,16 @@ Load_log_event::Load_log_event(const char* buf, int event_len):
return;
buf += EVENT_LEN_OFFSET;
data_len = event_len;
if(!(data_buf = (char*)my_malloc(data_len + 1, MYF(MY_WME))))
return;
memcpy(data_buf, buf + 22 + sizeof(sql_ex), data_len);
copy_log_event(buf, data_len);
}
void Load_log_event::copy_log_event(const char *buf, ulong data_len)
{
thread_id = uint4korr(buf+4);
exec_time = uint4korr(buf+8);
skip_lines = uint4korr(buf + 12);
@@ -627,32 +584,23 @@ Load_log_event::Load_log_event(const char* buf, int event_len):
db_len = (uint)buf[17];
num_fields = uint4korr(buf + 18);
data_len -= LOAD_EVENT_OVERHEAD;
memcpy(&sql_ex, buf + 22, sizeof(sql_ex));
if(!(data_buf = (char*)my_malloc(data_len + 1, MYF(MY_WME))))
if (num_fields > data_len) // simple sanity check against corruption
return;
memcpy(data_buf, buf + 22 + sizeof(sql_ex), data_len);
if(num_fields > data_len) // simple sanity check against corruption
return;
field_lens = (uchar*)data_buf;
field_lens = (uchar*) data_buf;
uint i;
for(i = 0; i < num_fields; i++)
{
field_block_len += (uint)field_lens[i] + 1;
}
for (i = 0; i < num_fields; i++)
{
field_block_len += (uint)field_lens[i] + 1;
}
fields = (char*)field_lens + num_fields;
*((char*)data_buf+data_len) = 0;
table_name = fields + field_block_len;
db = table_name + table_name_len + 1;
fname = db + db_len + 1;
fname_len = data_len - 2 - db_len - table_name_len - num_fields - field_block_len;
fname_len = data_len - 2 - db_len - table_name_len - num_fields -
field_block_len;
}
@@ -711,21 +659,21 @@ void Load_log_event::print(FILE* file, bool short_form)
if((int)skip_lines > 0)
fprintf(file, " IGNORE %ld LINES ", skip_lines);
if(num_fields)
if (num_fields)
{
uint i;
const char* field = fields;
fprintf( file, " (");
for(i = 0; i < num_fields; i++)
{
uint i;
const char* field = fields;
fprintf( file, " (");
for(i = 0; i < num_fields; i++)
{
if(i)
fputc(',', file);
fprintf(file, field);
if(i)
fputc(',', file);
fprintf(file, field);
field += field_lens[i] + 1;
}
fputc(')', file);
field += field_lens[i] + 1;
}
fputc(')', file);
}
fprintf(file, ";\n");
}