tdlight/tdnet/td/net/HttpContentLengthByteFlow.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/net/HttpContentLengthByteFlow.h"
#include "td/utils/Status.h"
#include <algorithm>
namespace td {
void HttpContentLengthByteFlow::loop() {
auto ready_size = input_->size();
if (ready_size > len_) {
ready_size = len_;
}
auto need_size = std::min(MIN_UPDATE_SIZE, len_);
if (ready_size < need_size) {
set_need_size(need_size);
return;
}
output_.append(input_->cut_head(ready_size));
len_ -= ready_size;
if (len_ == 0) {
return finish(Status::OK());
}
if (!is_input_active_) {
return finish(Status::Error("Unexpected end of stream"));
}
on_output_updated();
}
constexpr size_t HttpContentLengthByteFlow::MIN_UPDATE_SIZE;
} // namespace td