039f6e3487
The static module capabilities are now used to query the capabilities of filters and routers. The new RCAP_TYPE_NOAUTH capability is also taken into use. These changes removes the need for the `is_internal_service` function.
111 lines
2.7 KiB
C++
111 lines
2.7 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: 2019-07-01
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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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#define MXS_MODULE_NAME "hintrouter"
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#include "hintrouter.hh"
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#include <maxscale/log_manager.h>
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#include "dcb.hh"
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HintRouter::HintRouter(SERVICE* pService)
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: maxscale::Router<HintRouter, HintRouterSession>(pService)
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{
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HR_ENTRY();
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MXS_NOTICE("Hint router [%s] created.", pService->name);
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}
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//static
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HintRouter* HintRouter::create(SERVICE* pService, char** pzOptions)
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{
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HR_ENTRY();
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return new HintRouter(pService);
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}
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HintRouterSession* HintRouter::newSession(MXS_SESSION *pSession)
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{
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HR_ENTRY();
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HintRouterSession* pRouterSession = NULL;
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HintRouterSession::Backends backends;
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for (SERVER_REF* pSref = m_pService->dbref; pSref; pSref = pSref->next)
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{
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if (SERVER_REF_IS_ACTIVE(pSref))
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{
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SERVER* pServer = pSref->server;
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HR_DEBUG("Connecting to %s.", pServer->name);
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DCB* pDcb = dcb_connect(pServer, pSession, pServer->protocol);
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if (pDcb)
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{
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HR_DEBUG("Connected to %p %s.", pDcb, pServer->name);
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// TODO: What's done here, should be done by dcb_connect().
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atomic_add(&pSref->connections, 1);
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pDcb->service = pSession->service;
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backends.push_back(Dcb(pDcb));
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}
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else
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{
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HR_DEBUG("Failed to connect to %s.", pServer->name);
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}
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}
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}
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if (backends.size() != 0)
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{
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pRouterSession = new HintRouterSession(pSession, this, backends);
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}
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return pRouterSession;
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}
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void HintRouter::diagnostics(DCB* pOut)
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{
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HR_ENTRY();
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}
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uint64_t HintRouter::getCapabilities()
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{
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HR_ENTRY();
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return RCAP_TYPE_NONE;
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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 module =
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{
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MXS_MODULE_API_ROUTER, /* Module type */
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MXS_MODULE_BETA_RELEASE, /* Release status */
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MXS_ROUTER_VERSION, /* Implemented module API version */
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"A hint router", /* Description */
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"V1.0.0", /* Module version */
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RCAP_TYPE_STMT_OUTPUT,
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&HintRouter::s_object,
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NULL, /* Process init, can be null */
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NULL, /* Process finish, can be null */
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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 &module;
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}
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