
The filter example uses the C++ template which helps new filter creation by showing the minimal implementation required for a filter.
79 lines
1.8 KiB
C++
79 lines
1.8 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: 2020-01-01
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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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// All log messages from this module are prefixed with this
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#define MXS_MODULE_NAME "examplefilter"
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#include "examplefilter.hh"
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// This declares a module in MaxScale
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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_FILTER,
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MXS_MODULE_IN_DEVELOPMENT,
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MXS_FILTER_VERSION,
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"An example filter that does nothing",
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"V1.0.0",
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RCAP_TYPE_NONE,
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&ExampleFilter::s_object, // This is defined in the MaxScale filter template
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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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{ "an_example_parameter", MXS_MODULE_PARAM_STRING, "a-default-value" },
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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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ExampleFilter::ExampleFilter()
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{
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}
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ExampleFilter::~ExampleFilter()
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{
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}
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// static
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ExampleFilter* ExampleFilter::create(const char* zName, char** pzOptions, MXS_CONFIG_PARAMETER* pParams)
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{
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return new ExampleFilter();
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}
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ExampleFilterSession* ExampleFilter::newSession(MXS_SESSION* pSession)
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{
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return ExampleFilterSession::create(pSession, this);
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}
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// static
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void ExampleFilter::diagnostics(DCB* pDcb) const
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{
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}
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// static
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json_t* ExampleFilter::diagnostics_json() const
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{
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return NULL;
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}
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// static
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uint64_t ExampleFilter::getCapabilities()
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{
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return RCAP_TYPE_NONE;
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}
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