36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdint.h>
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#define MAXNS 4 // max # name servers we'll track
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#define MAXDNSRCH 6 // max # domains in search path
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#define MAXDNSRCHPATH 256 // max length of domain search paths
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#define MAXNSSAMPLES 64 // max # samples to store per server
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// Per-netid configuration parameters passed from netd to the resolver
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struct res_params {
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uint16_t sample_validity; // sample lifetime in s
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// threshold of success / total samples below which a server is considered broken
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uint8_t success_threshold; // 0: disable, value / 100 otherwise
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uint8_t min_samples; // min # samples needed for statistics to be considered meaningful
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uint8_t max_samples; // max # samples taken into account for statistics
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int base_timeout_msec; // base query retry timeout (if 0, use RES_TIMEOUT)
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int retry_count; // number of retries
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};
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