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84df1c724e
Replace calls to .str() which copies with .Release which moves in cases where that's safe. This CL was generated by this command: git grep -l 'StringBuilder' | xargs perl -i -0 -pe "s/(rtc::StringBuilder (\S+);.*?return )\\g2.str\(\)/\$1\$2.Release\(\)/sg" Bug: webrtc:8982 Change-Id: If4dadbeb039df010aaaa9e58da81c1971a84fe8f Reviewed-on: https://webrtc-review.googlesource.com/100307 Commit-Queue: Jonas Olsson <jonasolsson@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24790}
126 lines
4.8 KiB
C++
126 lines
4.8 KiB
C++
/*
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* Copyright 2017 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "api/candidate.h"
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#include "rtc_base/strings/string_builder.h"
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namespace cricket {
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Candidate::Candidate()
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: id_(rtc::CreateRandomString(8)),
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component_(0),
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priority_(0),
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network_type_(rtc::ADAPTER_TYPE_UNKNOWN),
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generation_(0),
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network_id_(0),
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network_cost_(0) {}
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Candidate::Candidate(int component,
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const std::string& protocol,
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const rtc::SocketAddress& address,
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uint32_t priority,
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const std::string& username,
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const std::string& password,
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const std::string& type,
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uint32_t generation,
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const std::string& foundation,
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uint16_t network_id,
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uint16_t network_cost)
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: id_(rtc::CreateRandomString(8)),
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component_(component),
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protocol_(protocol),
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address_(address),
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priority_(priority),
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username_(username),
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password_(password),
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type_(type),
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network_type_(rtc::ADAPTER_TYPE_UNKNOWN),
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generation_(generation),
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foundation_(foundation),
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network_id_(network_id),
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network_cost_(network_cost) {}
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Candidate::Candidate(const Candidate&) = default;
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Candidate::~Candidate() = default;
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bool Candidate::IsEquivalent(const Candidate& c) const {
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// We ignore the network name, since that is just debug information, and
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// the priority and the network cost, since they should be the same if the
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// rest are.
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return (component_ == c.component_) && (protocol_ == c.protocol_) &&
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(address_ == c.address_) && (username_ == c.username_) &&
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(password_ == c.password_) && (type_ == c.type_) &&
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(generation_ == c.generation_) && (foundation_ == c.foundation_) &&
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(related_address_ == c.related_address_) &&
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(network_id_ == c.network_id_);
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}
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bool Candidate::MatchesForRemoval(const Candidate& c) const {
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return component_ == c.component_ && protocol_ == c.protocol_ &&
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address_ == c.address_;
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}
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std::string Candidate::ToStringInternal(bool sensitive) const {
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rtc::StringBuilder ost;
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std::string address =
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sensitive ? address_.ToSensitiveString() : address_.ToString();
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ost << "Cand[" << transport_name_ << ":" << foundation_ << ":" << component_
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<< ":" << protocol_ << ":" << priority_ << ":" << address << ":" << type_
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<< ":" << related_address_.ToString() << ":" << username_ << ":"
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<< password_ << ":" << network_id_ << ":" << network_cost_ << ":"
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<< generation_ << "]";
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return ost.Release();
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}
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uint32_t Candidate::GetPriority(uint32_t type_preference,
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int network_adapter_preference,
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int relay_preference) const {
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// RFC 5245 - 4.1.2.1.
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// priority = (2^24)*(type preference) +
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// (2^8)*(local preference) +
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// (2^0)*(256 - component ID)
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// |local_preference| length is 2 bytes, 0-65535 inclusive.
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// In our implemenation we will partion local_preference into
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// 0 1
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// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// | NIC Pref | Addr Pref |
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// NIC Type - Type of the network adapter e.g. 3G/Wifi/Wired.
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// Addr Pref - Address preference value as per RFC 3484.
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// local preference = (NIC Type << 8 | Addr_Pref) - relay preference.
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int addr_pref = IPAddressPrecedence(address_.ipaddr());
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int local_preference =
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((network_adapter_preference << 8) | addr_pref) + relay_preference;
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return (type_preference << 24) | (local_preference << 8) | (256 - component_);
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}
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bool Candidate::operator==(const Candidate& o) const {
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return id_ == o.id_ && component_ == o.component_ &&
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protocol_ == o.protocol_ && relay_protocol_ == o.relay_protocol_ &&
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address_ == o.address_ && priority_ == o.priority_ &&
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username_ == o.username_ && password_ == o.password_ &&
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type_ == o.type_ && network_name_ == o.network_name_ &&
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network_type_ == o.network_type_ && generation_ == o.generation_ &&
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foundation_ == o.foundation_ &&
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related_address_ == o.related_address_ && tcptype_ == o.tcptype_ &&
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transport_name_ == o.transport_name_ && network_id_ == o.network_id_;
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}
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bool Candidate::operator!=(const Candidate& o) const {
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return !(*this == o);
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}
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} // namespace cricket
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