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rename of net_pkg.cc to protocol.cc

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Class for sending data from server to client (Protocol)
This handles both the old ( <= 4.0 ) protocol and then new binary protocol that is used for prepared statements.
This commit is contained in:
monty@mashka.mysql.fi
2002-12-11 09:17:51 +02:00
parent 8762e83485
commit d3eb993a27
48 changed files with 2877 additions and 1659 deletions
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43
sql/sql_class.cc
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@ -152,6 +152,11 @@ THD::THD():user_time(0), fatal_error(0),
(qsort_cmp2) compare_prep_stmt, 1,
(tree_element_free) free_prep_stmt, 0);
/* Protocol */
protocol= &protocol_simple; // Default protocol
protocol_simple.init(this);
protocol_prep.init(this);
#ifdef USING_TRANSACTIONS
bzero((char*) &transaction,sizeof(transaction));
if (opt_using_transactions)
@ -438,7 +443,7 @@ int THD::send_explain_fields(select_result *result)
{
List<Item> field_list;
Item *item;
field_list.push_back(new Item_int("id",0,3));
field_list.push_back(new Item_return_int("id",3, MYSQL_TYPE_LONGLONG));
field_list.push_back(new Item_empty_string("select_type",19));
field_list.push_back(new Item_empty_string("table",NAME_LEN));
field_list.push_back(new Item_empty_string("type",10));
@ -447,12 +452,13 @@ int THD::send_explain_fields(select_result *result)
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("key",NAME_LEN));
item->maybe_null=1;
field_list.push_back(item=new Item_int("key_len",0,3));
field_list.push_back(item=new Item_return_int("key_len",3,
MYSQL_TYPE_LONGLONG));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("ref",
NAME_LEN*MAX_REF_PARTS));
item->maybe_null=1;
field_list.push_back(new Item_real("rows",0.0,0,10));
field_list.push_back(new Item_return_int("rows",10, MYSQL_TYPE_LONGLONG));
field_list.push_back(new Item_empty_string("Extra",255));
return (result->send_fields(field_list,1));
}
@ -503,7 +509,7 @@ sql_exchange::sql_exchange(char *name,bool flag)
bool select_send::send_fields(List<Item> &list,uint flag)
{
return ::send_fields(thd,list,flag);
return thd->protocol->send_fields(&list,flag);
}
@ -511,35 +517,32 @@ bool select_send::send_fields(List<Item> &list,uint flag)
bool select_send::send_data(List<Item> &items)
{
List_iterator_fast<Item> li(items);
String *packet= &thd->packet;
DBUG_ENTER("send_data");
if (unit->offset_limit_cnt)
{ // using limit offset,count
unit->offset_limit_cnt--;
DBUG_RETURN(0);
}
packet->length(0); // Reset packet
List_iterator_fast<Item> li(items);
Protocol *protocol= thd->protocol;
char buff[MAX_FIELD_WIDTH];
String buffer(buff, sizeof(buff), system_charset_info);
DBUG_ENTER("send_data");
protocol->prepare_for_resend();
Item *item;
while ((item=li++))
{
if (item->send(thd, packet))
if (item->send(protocol, &buffer))
{
packet->free(); // Free used
protocol->free(); // Free used buffer
my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
DBUG_RETURN(1);
break;
}
}
thd->sent_row_count++;
if (!thd->net.report_error)
{
DBUG_RETURN(my_net_write(&thd->net,
(char*) packet->ptr(),
packet->length()));
}
else
DBUG_RETURN(1);
DBUG_RETURN(protocol->write());
DBUG_RETURN(1);
}
bool select_send::send_eof()