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MXS-2078 Add support for holding router specific server data.

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New class to hold the statistics, part of which is currently in
RWSplitSession. Simple API in Backend to create session
specific data.
This commit is contained in:
Niclas Antti
2018-11-05 13:59:14 +02:00
parent 13a0390de6
commit 5175d2b2d7
4 changed files with 155 additions and 0 deletions
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11
include/maxscale/backend.hh
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@ -20,6 +20,7 @@
#include <maxscale/service.h>
#include <maxscale/session_command.hh>
#include <maxbase/stopwatch.hh>
namespace maxscale
@ -323,6 +324,12 @@ public:
return m_uri.c_str();
}
void select_started();
void select_ended();
int64_t num_selects() const;
const maxbase::StopWatch& session_timer() const;
const maxbase::IntervalTimer& select_timer() const;
private:
/**
* Internal state of the backend
@ -357,6 +364,10 @@ private:
SessionCommandList m_session_commands; /**< List of session commands that are
* to be executed on this backend server */
std::string m_uri; /**< The combined address and port */
maxbase::StopWatch m_session_timer;
maxbase::IntervalTimer m_select_timer;
int64_t m_num_selects = 0;
};
typedef std::shared_ptr<Backend> SBackend;