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Allow filters to be used with binlogrouter

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Filters can now be used with the binlogrouter to modify the contents of
the binlog stream now that the correct function call is used.
This commit is contained in:
Markus Mäkelä 2017-07-07 10:37:30 +03:00
parent 54c6e0eb52
commit 96b98845a2
3 changed files with 36 additions and 40 deletions
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6
server/modules/routing/binlogrouter/blr.c
View File

@ -2531,7 +2531,7 @@ blr_statistics(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, GWBUF *queue)
*ptr++ = 1;
memcpy(ptr, result, len);
return slave->dcb->func.write(slave->dcb, ret);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, ret);
}
/**
@ -2558,7 +2558,7 @@ blr_ping(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, GWBUF *queue)
*ptr++ = 1;
*ptr = 0; // OK
return slave->dcb->func.write(slave->dcb, ret);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, ret);
}
@ -2665,7 +2665,7 @@ blr_send_custom_error(DCB *dcb,
/** write error message */
memcpy(mysql_payload, mysql_error_msg, strlen(mysql_error_msg));
return dcb->func.write(dcb, errbuf);
return MXS_SESSION_ROUTE_REPLY(dcb->session, errbuf);
}
/**

2
server/modules/routing/binlogrouter/blr_master.c
View File

@ -1974,7 +1974,7 @@ bool blr_send_packet(ROUTER_SLAVE *slave, uint8_t *buf, uint32_t len, bool first
}
slave->stats.n_bytes += GWBUF_LENGTH(buffer);
slave->dcb->func.write(slave->dcb, buffer);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, buffer);
}
else
{

68
server/modules/routing/binlogrouter/blr_slave.c
View File

@ -790,7 +790,7 @@ blr_slave_replay(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, GWBUF *master)
if ((clone = gwbuf_clone(master)) != NULL)
{
return slave->dcb->func.write(slave->dcb, clone);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, clone);
}
else
{
@ -826,7 +826,7 @@ blr_slave_send_error(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, char *msg)
encode_value(&data[5], 1064, 16);// Error Code
memcpy((char *)&data[7], "#42000", 6);
memcpy(&data[13], msg, strlen(msg)); // Error Message
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/*
@ -888,7 +888,7 @@ blr_slave_send_timestamp(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
ptr += ts_len;
// EOF packet to terminate result
memcpy(ptr, timestamp_eof, sizeof(timestamp_eof));
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -929,7 +929,7 @@ blr_slave_send_maxscale_version(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
*ptr++ = vers_len; // Length of result string
memcpy((char *)ptr, version, vers_len); // Result string
/* ptr += vers_len; Not required unless more data is to be added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, 5);
}
@ -971,7 +971,7 @@ blr_slave_send_server_id(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
*ptr++ = id_len; // Length of result string
memcpy((char *)ptr, server_id, id_len); // Result string
/* ptr += id_len; Not required unless more data is to be added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, 5);
}
@ -1026,8 +1026,7 @@ blr_slave_send_maxscale_variables(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
*ptr++ = vers_len; // Length of result string
memcpy((char *)ptr, version, vers_len); // Result string
/* ptr += vers_len; Not required unless more data is to be added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, seqno++);
}
@ -1086,7 +1085,7 @@ blr_slave_send_master_status(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
*ptr++ = 0; // Send 3 empty values
*ptr++ = 0;
*ptr++ = 0;
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, 9);
}
@ -1664,7 +1663,7 @@ blr_slave_send_slave_status(ROUTER_INSTANCE *router,
// Trim the buffer to the actual size
pkt = gwbuf_rtrim(pkt, len - actual_len);
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, seqno++);
}
@ -1733,7 +1732,7 @@ blr_slave_send_slave_hosts(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
*ptr++ = strlen(slave_uuid); // Length of result string
memcpy((char *)ptr, slave_uuid, strlen(slave_uuid)); // Result string
ptr += strlen(slave_uuid);
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
sptr = sptr->next;
}
@ -2838,7 +2837,7 @@ blr_slave_fake_rotate(ROUTER_INSTANCE *router,
new_file,
router->masterid);
return r_event ? slave->dcb->func.write(slave->dcb, r_event) : 0;
return r_event ? MXS_SESSION_ROUTE_REPLY(slave->dcb->session, r_event) : 0;
}
/**
@ -2955,7 +2954,7 @@ blr_slave_send_fde(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, GWBUF *fde)
event_size - BINLOG_EVENT_CRC_SIZE);
encode_value(ptr, chksum, 32);
return slave->dcb->func.write(slave->dcb, head);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, head);
}
@ -2984,7 +2983,7 @@ blr_slave_send_fieldcount(ROUTER_INSTANCE *router,
ptr += 3;
*ptr++ = 0x01; // Sequence number in response
*ptr++ = count; // Number of columns
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
@ -3049,7 +3048,7 @@ blr_slave_send_columndef(ROUTER_INSTANCE *router,
*ptr++ = 0;
*ptr++ = 0;
*ptr++ = 0;
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
@ -3079,7 +3078,7 @@ blr_slave_send_eof(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, int seqno)
encode_value(ptr, 0, 16); // No errors
ptr += 2;
encode_value(ptr, 2, 16); // Autocommit enabled
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -3147,8 +3146,7 @@ blr_slave_send_disconnected_server(ROUTER_INSTANCE *router,
memcpy((char *)ptr, state, strlen(state)); // Result string
/* ptr += strlen(state); Not required unless more data is to be added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, seqno++);
}
@ -3317,7 +3315,7 @@ blr_slave_disconnect_all(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
memcpy((char *)ptr, state, strlen(state)); // Result string
ptr += strlen(state);
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
sptr->state = BLRS_UNREGISTERED;
dcb_close(sptr->dcb);
@ -3361,7 +3359,7 @@ blr_slave_send_ok(ROUTER_INSTANCE* router, ROUTER_SLAVE* slave)
memcpy(GWBUF_DATA(pkt), ok_packet, sizeof(ok_packet));
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -3411,7 +3409,7 @@ blr_slave_send_ok_message(ROUTER_INSTANCE* router,
strcpy((char *)ptr, message);
}
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -3774,7 +3772,7 @@ blr_slave_send_error_packet(ROUTER_SLAVE *slave,
memcpy(&data[13], msg, strlen(msg)); // Error Message
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -5144,7 +5142,7 @@ blr_slave_send_var_value(ROUTER_INSTANCE *router,
memcpy((char *)ptr, value, vers_len); // Result string
/* ptr += vers_len; Not required unless more data is added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, 5);
}
@ -5229,7 +5227,7 @@ blr_slave_send_variable(ROUTER_INSTANCE *router,
*ptr++ = vers_len; // Length of result string
memcpy((char *)ptr, value, vers_len); // Result string with var value
/* ptr += vers_len; Not required unless more data is added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
MXS_FREE(old_ptr);
@ -5318,7 +5316,7 @@ blr_slave_send_columndef_with_info_schema(ROUTER_INSTANCE *router,
*ptr++ = 0;
*ptr++ = 0;
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -5513,7 +5511,7 @@ blr_slave_send_warning_message(ROUTER_INSTANCE* router,
}
slave->warning_msg = MXS_STRDUP_A(message);
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -5605,7 +5603,7 @@ blr_slave_show_warnings(ROUTER_INSTANCE* router, ROUTER_SLAVE* slave)
/* ptr += msg_len; Not required unless more data is added */
}
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
return blr_slave_send_eof(router, slave, 7);
}
@ -5753,7 +5751,7 @@ blr_slave_send_status_variable(ROUTER_INSTANCE *router,
memcpy((char *)ptr, value, vers_len);
/* ptr += vers_len; Not required unless more data is added */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
MXS_FREE(old_ptr);
@ -5857,7 +5855,7 @@ blr_slave_send_columndef_with_status_schema(ROUTER_INSTANCE *router,
*ptr++ = 0;
*ptr++ = 0;
return slave->dcb->func.write(slave->dcb, pkt);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/**
@ -5988,7 +5986,7 @@ blr_slave_send_heartbeat(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave)
}
/* Write the packet */
return slave->dcb->func.write(slave->dcb, h_event);
return MXS_SESSION_ROUTE_REPLY(slave->dcb->session, h_event);
}
/**
@ -6560,7 +6558,7 @@ static int blr_send_connect_fake_rotate(ROUTER_INSTANCE *router,
router->masterid);
/* Send Fake Rotate Event or return 0*/
return r_event ? slave->dcb->func.write(slave->dcb, r_event) : 0;
return r_event ? MXS_SESSION_ROUTE_REPLY(slave->dcb->session, r_event) : 0;
}
/**
@ -7018,7 +7016,7 @@ static int blr_send_fake_gtid_list(ROUTER_SLAVE *slave,
serverid);
/* Send Fake GTID_LIST Event or return 0*/
return gl_event ? slave->dcb->func.write(slave->dcb, gl_event) : 0;
return gl_event ? MXS_SESSION_ROUTE_REPLY(slave->dcb->session, gl_event) : 0;
}
/**
@ -8232,7 +8230,7 @@ blr_show_binary_logs(ROUTER_INSTANCE *router,
pos,
seqno)) != NULL)
{
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
/* Increment sequence */
seqno++;
}
@ -8372,9 +8370,7 @@ static int binary_logs_select_cb(void *data,
/* Set last file name */
data_set->last_file = MXS_STRDUP_A(values[0]);
/* Write packet to client */
dcb->func.write(dcb, pkt);
/* Set success */
ret = 0;
ret = MXS_SESSION_ROUTE_REPLY(dcb->session, pkt);
}
return ret; /* Return success or fallure */
}
@ -8431,7 +8427,7 @@ static int blr_slave_send_id_ro(ROUTER_INSTANCE *router,
seqno++)) != NULL)
{
/* Write packet to client */
slave->dcb->func.write(slave->dcb, pkt);
MXS_SESSION_ROUTE_REPLY(slave->dcb->session, pkt);
}
/* Add the result set EOF and return */