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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/spdy/core/hpack/hpack_entry.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "net/spdy/platform/api/spdy_estimate_memory_usage.h"
#include "net/spdy/platform/api/spdy_string_utils.h"
namespace net {
const size_t HpackEntry::kSizeOverhead = 32;
HpackEntry::HpackEntry(SpdyStringPiece name,
SpdyStringPiece value,
bool is_static,
size_t insertion_index)
: name_(name.data(), name.size()),
value_(value.data(), value.size()),
name_ref_(name_),
value_ref_(value_),
insertion_index_(insertion_index),
type_(is_static ? STATIC : DYNAMIC),
time_added_(0) {}
HpackEntry::HpackEntry(SpdyStringPiece name, SpdyStringPiece value)
: name_ref_(name),
value_ref_(value),
insertion_index_(0),
type_(LOOKUP),
time_added_(0) {}
HpackEntry::HpackEntry() : insertion_index_(0), type_(LOOKUP), time_added_(0) {}
HpackEntry::HpackEntry(const HpackEntry& other)
: insertion_index_(other.insertion_index_),
type_(other.type_),
time_added_(0) {
if (type_ == LOOKUP) {
name_ref_ = other.name_ref_;
value_ref_ = other.value_ref_;
} else {
name_ = other.name_;
value_ = other.value_;
name_ref_ = SpdyStringPiece(name_.data(), name_.size());
value_ref_ = SpdyStringPiece(value_.data(), value_.size());
}
}
HpackEntry& HpackEntry::operator=(const HpackEntry& other) {
insertion_index_ = other.insertion_index_;
type_ = other.type_;
if (type_ == LOOKUP) {
name_ref_ = other.name_ref_;
value_ref_ = other.value_ref_;
return *this;
}
name_ = other.name_;
value_ = other.value_;
name_ref_ = SpdyStringPiece(name_.data(), name_.size());
value_ref_ = SpdyStringPiece(value_.data(), value_.size());
return *this;
}
HpackEntry::~HpackEntry() = default;
// static
size_t HpackEntry::Size(SpdyStringPiece name, SpdyStringPiece value) {
return name.size() + value.size() + kSizeOverhead;
}
size_t HpackEntry::Size() const {
return Size(name(), value());
}
SpdyString HpackEntry::GetDebugString() const {
return SpdyStringPrintf(
"{ name: \"%.*s\", value: \"%.*s\", index: %d %s }", name_ref_.size(),
name_ref_.data(), value_ref_.size(), value_ref_.data(), insertion_index_,
(IsStatic() ? " static" : (IsLookup() ? " lookup" : " dynamic")));
}
size_t HpackEntry::EstimateMemoryUsage() const {
return SpdyEstimateMemoryUsage(name_) + SpdyEstimateMemoryUsage(value_);
}
} // namespace net
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