0d09b56f58
For lifetime management keep RWBackends in a vector of unique_ptrs. RWSplitSession keeps the unique_ptrs very private, and provides a vector of plain pointers for all other interfaces.
95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2022-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include "cat.hh"
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#include "catsession.hh"
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using namespace maxscale;
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Cat::Cat(SERVICE* pService)
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: Router<Cat, CatSession>(pService)
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{
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}
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Cat::~Cat()
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{
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}
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Cat* Cat::create(SERVICE* pService, MXS_CONFIG_PARAMETER* params)
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{
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return new Cat(pService);
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}
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CatSession* Cat::newSession(MXS_SESSION* pSession)
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{
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auto backends = RWBackend::from_servers(pSession->service->dbref);
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bool connected = false;
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for (auto a = backends.begin(); a != backends.end(); a++)
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{
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if ((*a)->can_connect() && (*a)->connect(pSession))
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{
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connected = true;
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}
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}
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return connected ? new CatSession(pSession, this, std::move(backends)) : NULL;
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}
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void Cat::diagnostics(DCB* dcb)
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{
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}
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json_t* Cat::diagnostics_json() const
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{
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return NULL;
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}
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const uint64_t caps = RCAP_TYPE_PACKET_OUTPUT | RCAP_TYPE_CONTIGUOUS_OUTPUT | RCAP_TYPE_STMT_INPUT;
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uint64_t Cat::getCapabilities()
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{
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return caps;
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}
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/**
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* The module entry point routine. It is this routine that
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* must populate the structure that is referred to as the
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* "module object", this is a structure with the set of
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* external entry points for this module.
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*
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* @return The module object
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*/
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extern "C" MXS_MODULE* MXS_CREATE_MODULE()
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{
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static MXS_MODULE info =
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{
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MXS_MODULE_API_ROUTER,
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MXS_MODULE_ALPHA_RELEASE,
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MXS_ROUTER_VERSION,
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"Resultset concatenation router",
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"V1.0.0",
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caps,
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&Cat::s_object,
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NULL, /* Process init. */
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NULL, /* Process finish. */
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NULL, /* Thread init. */
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NULL, /* Thread finish. */
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{
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{MXS_END_MODULE_PARAMS}
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}
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};
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return &info;
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}
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