lib/wsrep-lib
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Refactored storage service out of client service interface.

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This commit is contained in:
Teemu Ollakka
2018-07-07 18:06:37 +03:00
parent a8be09161c
commit 2ac13100f7
31 changed files with 465 additions and 247 deletions
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75
include/wsrep/client_state.hpp
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@ -306,6 +306,23 @@ namespace wsrep
enum wsrep::streaming_context::fragment_unit
fragment_unit,
size_t fragment_size);
/**
* Prepare write set meta data for fragment storage ordering.
* This method should be called from storage service commit
* or rollback before performing the operation.
*/
int prepare_for_fragment_ordering(const wsrep::ws_handle& ws_handle,
const wsrep::ws_meta& ws_meta,
bool is_commit)
{
assert(mode_ == m_high_priority);
assert(state_ == s_exec);
return transaction_.prepare_for_fragment_ordering(
ws_handle, ws_meta, is_commit);
}
/** @} */
/** @name Applying interface */
/** @{ */
int start_transaction(const wsrep::ws_handle& wsh,
@ -734,26 +751,6 @@ namespace wsrep
return to_c_string(mode);
}
class client_state_switch
{
public:
client_state_switch(wsrep::client_state& orig_context,
wsrep::client_state& current_context)
: orig_context_(orig_context)
, current_context_(current_context)
{
current_context_.client_service_.store_globals();
}
~client_state_switch()
{
orig_context_.client_service_.store_globals();
}
private:
client_state& orig_context_;
client_state& current_context_;
};
/**
* Utility class to switch the client state to high priority
* mode. The client is switched back to the original mode
@ -804,44 +801,6 @@ namespace wsrep
enum wsrep::client_state::mode orig_mode_;
};
class client_deleter
{
public:
client_deleter(wsrep::server_service& server_service)
: server_service_(server_service)
{ }
void operator()(wsrep::client_state* client_state)
{
server_service_.release_client_state(client_state);
}
private:
wsrep::server_service& server_service_;
};
template <class D>
class scoped_client_state
{
public:
scoped_client_state(wsrep::client_state* client_state, D deleter)
: client_state_(client_state)
, deleter_(deleter)
{
if (client_state_ == 0)
{
throw wsrep::runtime_error("Null client_state provided");
}
}
wsrep::client_state& client_state() { return *client_state_; }
~scoped_client_state()
{
deleter_(client_state_);
}
private:
scoped_client_state(const scoped_client_state&);
scoped_client_state& operator=(const scoped_client_state&);
wsrep::client_state* client_state_;
D deleter_;
};
}
#endif // WSREP_CLIENT_STATE_HPP