67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
|
|
* nghttp2 - HTTP/2 C Library
|
|
*
|
|
* Copyright (c) 2012 Tatsuhiro Tsujikawa
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
#include "shrpx_io_control.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include "shrpx_rate_limit.h"
|
|
#include "util.h"
|
|
|
|
using namespace nghttp2;
|
|
|
|
namespace shrpx {
|
|
|
|
IOControl::IOControl(RateLimit *lim) : lim_(lim), rdbits_(0) {}
|
|
|
|
IOControl::~IOControl() {}
|
|
|
|
void IOControl::pause_read(IOCtrlReason reason) {
|
|
rdbits_ |= reason;
|
|
if (lim_) {
|
|
lim_->stopw();
|
|
}
|
|
}
|
|
|
|
bool IOControl::resume_read(IOCtrlReason reason) {
|
|
rdbits_ &= ~reason;
|
|
if (rdbits_ == 0) {
|
|
if (lim_) {
|
|
lim_->startw();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void IOControl::force_resume_read() {
|
|
rdbits_ = 0;
|
|
if (lim_) {
|
|
lim_->startw();
|
|
}
|
|
}
|
|
|
|
} // namespace shrpx
|