def _parse(self):
buf = self.data
(buf,self.field_count) = utils.read_int(buf,1)
(buf,self.affected_rows) = utils.read_lc_int(buf)
(buf,self.insert_id) = utils.read_lc_int(buf)
(buf,self.server_status) = utils.read_int(buf,2)
(buf,self.warning_count) = utils.read_int(buf,2)
if buf:
(buf,self.info_msg) = utils.read_lc_string(buf)
def _pkt_parse_ok(self, buf):
"""Parse a MySQL OK-packet"""
ok = {}
(buf,ok['field_count']) = utils.read_int(buf,1)
(buf,ok['affected_rows']) = utils.read_lc_int(buf)
(buf,ok['insert_id']) = utils.read_lc_int(buf)
(buf,ok['server_status']) = utils.read_int(buf,2)
(buf,ok['warning_count']) = utils.read_int(buf,2)
if buf:
(buf,ok['info_msg']) = utils.read_lc_string(buf)
return ok
def _pkt_parse_ok(self, buf):
"""Parse a MySQL OK-packet"""
ok = {}
(buf,ok['field_count']) = utils.read_int(buf,1)
(buf,ok['affected_rows']) = utils.read_lc_int(buf)
(buf,ok['insert_id']) = utils.read_lc_int(buf)
(buf,ok['server_status']) = utils.read_int(buf,2)
(buf,ok['warning_count']) = utils.read_int(buf,2)
if buf:
(buf,ok['info_msg']) = utils.read_lc_string(buf)
return ok
def __init__(self, packet, table_map, table_subscribed, ctl_conn):
super(TableMapEvent, self).__init__(packet)
self._payload = packet[24:]
self._ctl_conn = ctl_conn
head = self._payload
head, self.table_id = utils.read_int(head, 6)
# add or modify table map.
if self.table_id not in table_map:
table_map[self.table_id] = {"schema":None, "table":None, "column_schemas":[]}
if self.schema in table_subscribed and self.table in table_subscribed[self.schema]:
table_map[self.table_id]["column_schemas"] = \
self.__get_table_informations(self.schema, self.table)
head, self.flags = utils.read_int(head, 2)
head, schema_name_len = utils.read_int(head, 1)
head, self.schema = utils.read_bytes(head, schema_name_len)
self.schema = str(self.schema)
table_map[self.table_id]["schema"] = self.schema
head, _ = utils.read_bytes(head, 1) #filler
head, table_name_len = utils.read_int(head, 1)
head, self.table = utils.read_bytes(head, table_name_len)
self.table = str(self.table)
table_map[self.table_id]["table"] = self.table
head, _ = utils.read_bytes(head, 1) #filler
head, self.columns_cnt = utils.read_lc_int(head)
head, column_types = utils.read_bytes(head, self.columns_cnt)
for i in range(0, self.columns_cnt):
schema = table_map[self.table_id]["column_schemas"][i]
t = ord(column_types[i])
schema["TYPE_ID"] = t
head, _ = self.__read_metadata(t, schema, head)
def __init__(self, packet, table_map, table_subscribed):
super(RowsEvent, self).__init__(packet)
self._payload = packet[23:]
self._table_map = table_map
self._table_subscribed = table_subscribed
head = self._payload
# header
head, self.table_id = utils.read_int(head, 6)
head, self.flags = utils.read_int(head, 2)
# with MySQL 5.6.x there will be other data following.
# body
head, self.number_of_columns = utils.read_lc_int(head)
columns_present_bitmap_len = (self.number_of_columns + 7) / 8
head, columns_present_bitmap1 = utils.read_int(head,
columns_present_bitmap_len)
if self.header.event_type == EventType.UPDATE_ROWS_EVENT:
head, columns_present_bitmap2 = utils.read_int(head,
columns_present_bitmap_len)
# read rows.
null_bitmap_len = (self.number_of_columns + 7) / 8;
head, null_bitmap = utils.read_int(head, null_bitmap_len)
row = {}
for i in range(self.number_of_columns):
is_null = True if ((null_bitmap[i/8] >> (i%8)) & 0x01) else False
def parse_ok(self, packet):
"""Parse a MySQL OK-packet"""
if not packet[4] == '\x00':
raise errors.InterfaceError("Failed parsing OK packet.")
ok = {}
try:
(packet, ok['field_count']) = utils.read_int(packet[4:], 1)
(packet, ok['affected_rows']) = utils.read_lc_int(packet)
(packet, ok['insert_id']) = utils.read_lc_int(packet)
(packet, ok['server_status']) = utils.read_int(packet, 2)
(packet, ok['warning_count']) = utils.read_int(packet, 2)
if packet:
(packet, ok['info_msg']) = utils.read_lc_string(packet)
except ValueError:
raise errors.InterfaceError("Failed parsing OK packet.")
return ok
def parse_ok(self, packet):
"""Parse a MySQL OK-packet"""
if not packet[4] == '\x00':
raise errors.InterfaceError("Failed parsing OK packet.")
ok = {}
try:
(packet, ok['field_count']) = utils.read_int(packet[4:], 1)
(packet, ok['affected_rows']) = utils.read_lc_int(packet)
(packet, ok['insert_id']) = utils.read_lc_int(packet)
(packet, ok['server_status']) = utils.read_int(packet, 2)
(packet, ok['warning_count']) = utils.read_int(packet, 2)
if packet:
(packet, ok['info_msg']) = utils.read_lc_string(packet)
except ValueError:
raise errors.InterfaceError("Failed parsing OK packet.")
return ok
def _handle_resultset(self, buf):
(buf,nrflds) = utils.read_lc_int(buf)
if nrflds == 0:
raise errors.InterfaceError('Empty result set.')
fields = []
for i in xrange(0,nrflds):
buf = self._recv_packet()
fields.append(self._pkt_parse_field(buf))
buf = self._recv_packet()
eof = self._handle_eof(buf)
return (nrflds, fields, eof)
def _handle_resultset(self, buf):
(buf,nrflds) = utils.read_lc_int(buf)
if nrflds == 0:
raise errors.InterfaceError('Empty result set.')
fields = []
for i in xrange(0,nrflds):
buf = self.conn.recv()
fields.append(self._pkt_parse_field(buf))
buf = self.conn.recv()
eof = self._handle_eof(buf)
return (nrflds, fields, eof)
def _handle_resultset(self, pkt):
"""Processes a resultset getting fields information.
The argument pkt must be a protocol.Packet with length 1, a byte
which contains the number of fields.
"""
if not isinstance(pkt, PacketIn):
raise ValueError("%s is not a protocol.PacketIn" % pkt)
if len(pkt) == 1:
(buf,nrflds) = utils.read_lc_int(pkt.data)
# Get the fields
fields = self._handle_fields(nrflds)
buf = self.conn().recv()[0]
eof = EOFPacket(buf)
return (nrflds, fields, eof)
else:
raise errors.InterfaceError('Something wrong reading result after query.')
def parse_column_count(self, packet):
"""Parse a MySQL packet with the number of columns in result set"""
return utils.read_lc_int(packet[4:])[1]
def parse_column_count(self, packet):
"""Parse a MySQL packet with the number of columns in result set"""
return utils.read_lc_int(packet[4:])[1]
