56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
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/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2014 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SHRPX_CONNECT_BLOCKER_H
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#define SHRPX_CONNECT_BLOCKER_H
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#include "shrpx.h"
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#include <event2/event.h>
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namespace shrpx {
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class ConnectBlocker {
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public:
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ConnectBlocker();
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~ConnectBlocker();
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int init(event_base *evbase);
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// Returns true if making connection is not allowed.
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bool blocked() const;
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// Call this function if connect operation succeeded. This will
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// reset sleep_ to minimum value.
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void on_success();
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// Call this function if connect operation failed. This will start
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// timer and blocks connection establishment for sleep_ seconds.
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void on_failure();
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private:
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event *timerev_;
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int sleep_;
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};
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} // namespace
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#endif // SHRPX_CONNECT_BLOCKER_H
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