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Add deflate compression to avrorouter

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The avrorouter can now compress the Avro files using the deflate algorithm
provided by zlib.
This commit is contained in:
Markus Mäkelä
2017-02-21 16:14:59 +02:00
parent c47ef968f7
commit c3cc46ae04
5 changed files with 50 additions and 4 deletions
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11
server/modules/routing/avrorouter/avro.c
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@ -120,6 +120,15 @@ bool avro_handle_convert(const MODULECMD_ARG *args)
return rval;
}
static const MXS_ENUM_VALUE codec_values[] =
{
{"null", MXS_AVRO_CODEC_NULL},
{"deflate", MXS_AVRO_CODEC_DEFLATE},
// Not yet implemented
// {"snappy", MXS_AVRO_CODEC_SNAPPY},
{NULL}
};
/**
* The module entry point routine. It is this routine that
* must populate the structure that is referred to as the
@ -184,6 +193,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
{"group_rows", MXS_MODULE_PARAM_COUNT, "1000"},
{"group_trx", MXS_MODULE_PARAM_COUNT, "1"},
{"start_index", MXS_MODULE_PARAM_COUNT, "1"},
{"codec", MXS_MODULE_PARAM_ENUM, "null", MXS_MODULE_OPT_ENUM_UNIQUE, codec_values},
{MXS_END_MODULE_PARAMS}
}
};
@ -404,6 +414,7 @@ createInstance(SERVICE *service, char **options)
inst->fileroot = MXS_STRDUP_A(config_get_string(params, "filestem"));
inst->row_target = config_get_integer(params, "group_rows");
inst->trx_target = config_get_integer(params, "group_trx");
inst->codec = config_get_enum(params, "codec", codec_values);
int first_file = config_get_integer(params, "start_index");
MXS_CONFIG_PARAMETER *param = config_get_param(params, "source");