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MXS-2011 Allow alternative connections to be specified

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Alternative masters can now be specified like

  CHANGE MASTER TO ...
  CHANGE MASTER ":2" TO ...
  CHANGE MASTER ":3" TO ...

Now only the data is stored, but it is neither used nor
saved.
This commit is contained in:
Johan Wikman
2018-08-28 12:05:12 +03:00
parent 93dc75a011
commit 0c3fcfe302
3 changed files with 133 additions and 14 deletions
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14
server/modules/routing/binlogrouter/blr.hh
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@ -29,6 +29,7 @@
#include <string>
#include <thread>
#include <vector>
#include <maxscale/buffer.h>
#include <maxscale/dcb.h>
@ -367,6 +368,7 @@ public:
class ChangeMasterConfig
{
public:
std::string connection_name;
std::string host;
int port;
std::string binlog_file;
@ -392,6 +394,16 @@ struct ROUTER_INSTANCE;
class ChangeMasterOptions
{
public:
ChangeMasterOptions()
{
}
ChangeMasterOptions(const std::string& s)
: connection_name(s)
{
}
std::string connection_name;
std::string host;
std::string port;
std::string binlog_file;
@ -788,7 +800,7 @@ struct ROUTER_INSTANCE: public MXS_ROUTER
enum binlog_storage_type storage_type;/*< Enables hierachical binlog file storage */
char *set_slave_hostname; /*< Send custom Hostname to Master */
ROUTER_INSTANCE *next;
ChangeMasterConfig config; /*< Current config. */
std::vector<ChangeMasterConfig> configs; /*< Current config. */
};
/** Master Semi-Sync capability */