65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
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/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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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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#include <folly/io/SocketOptionMap.h>
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#include <folly/net/NetworkSocket.h>
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#include <errno.h>
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namespace folly {
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const SocketOptionMap emptySocketOptionMap;
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int SocketOptionKey::apply(NetworkSocket fd, int val) const {
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return netops::setsockopt(fd, level, optname, &val, sizeof(val));
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}
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int applySocketOptions(
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NetworkSocket fd,
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const SocketOptionMap& options,
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SocketOptionKey::ApplyPos pos) {
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for (const auto& opt : options) {
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if (opt.first.applyPos_ == pos) {
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auto rv = opt.first.apply(fd, opt.second);
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if (rv != 0) {
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return errno;
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}
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}
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}
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return 0;
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}
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SocketOptionMap validateSocketOptions(
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const SocketOptionMap& options,
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sa_family_t family,
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SocketOptionKey::ApplyPos pos) {
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SocketOptionMap validOptions;
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for (const auto& option : options) {
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if (pos != option.first.applyPos_) {
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continue;
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}
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if ((family == AF_INET && option.first.level == IPPROTO_IP) ||
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(family == AF_INET6 && option.first.level == IPPROTO_IPV6) ||
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option.first.level == IPPROTO_UDP || option.first.level == SOL_SOCKET ||
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option.first.level == SOL_UDP) {
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validOptions.insert(option);
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}
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}
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return validOptions;
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}
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} // namespace folly
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