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* Copyright 2012 Google Inc.
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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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* http://www.apache.org/licenses/LICENSE-2.0
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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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// Author: matterbury@google.com (Matt Atterbury)
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// A set of utility functions for handling hostnames.
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#ifndef PAGESPEED_KERNEL_BASE_HOSTNAME_UTIL_H_
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#define PAGESPEED_KERNEL_BASE_HOSTNAME_UTIL_H_
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#include "pagespeed/kernel/base/string.h"
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#include "pagespeed/kernel/base/string_util.h"
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namespace net_instaweb {
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// Determine the local hostname.
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GoogleString GetHostname();
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// Determine if the given host is localhost or a variant thereof:
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// localhost, 127.0.0.1 (IPv4), ::1 (IPv6), or hostname (the local hostname).
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// TODO(sligocki): Cover other representations of IPv6 localhost IP?
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// TODO(matterbury): Handle all 127.0.0.0/8 address since they are 'localhost'.
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bool IsLocalhost(StringPiece host_to_test, StringPiece hostname);
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} // namespace net_instaweb
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#endif // PAGESPEED_KERNEL_BASE_HOSTNAME_UTIL_H_