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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/p2p/base/port.h" | 11 #include "webrtc/p2p/base/port.h" |
12 | 12 |
13 #include <algorithm> | 13 #include <algorithm> |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
16 #include "webrtc/p2p/base/common.h" | 16 #include "webrtc/p2p/base/common.h" |
17 #include "webrtc/p2p/base/portallocator.h" | 17 #include "webrtc/p2p/base/portallocator.h" |
18 #include "webrtc/base/base64.h" | 18 #include "webrtc/base/base64.h" |
| 19 #include "webrtc/base/checks.h" |
19 #include "webrtc/base/crc32.h" | 20 #include "webrtc/base/crc32.h" |
20 #include "webrtc/base/helpers.h" | 21 #include "webrtc/base/helpers.h" |
21 #include "webrtc/base/logging.h" | 22 #include "webrtc/base/logging.h" |
22 #include "webrtc/base/messagedigest.h" | 23 #include "webrtc/base/messagedigest.h" |
23 #include "webrtc/base/network.h" | 24 #include "webrtc/base/network.h" |
24 #include "webrtc/base/stringencode.h" | 25 #include "webrtc/base/stringencode.h" |
25 #include "webrtc/base/stringutils.h" | 26 #include "webrtc/base/stringutils.h" |
26 | 27 |
27 namespace { | 28 namespace { |
28 | 29 |
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531 SignalRoleConflict(this); | 532 SignalRoleConflict(this); |
532 } else { | 533 } else { |
533 // Send Role Conflict (487) error response. | 534 // Send Role Conflict (487) error response. |
534 SendBindingErrorResponse(stun_msg, addr, | 535 SendBindingErrorResponse(stun_msg, addr, |
535 STUN_ERROR_ROLE_CONFLICT, STUN_ERROR_REASON_ROLE_CONFLICT); | 536 STUN_ERROR_ROLE_CONFLICT, STUN_ERROR_REASON_ROLE_CONFLICT); |
536 ret = false; | 537 ret = false; |
537 } | 538 } |
538 } | 539 } |
539 break; | 540 break; |
540 default: | 541 default: |
541 ASSERT(false); | 542 RTC_NOTREACHED(); |
542 } | 543 } |
543 return ret; | 544 return ret; |
544 } | 545 } |
545 | 546 |
546 void Port::CreateStunUsername(const std::string& remote_username, | 547 void Port::CreateStunUsername(const std::string& remote_username, |
547 std::string* stun_username_attr_str) const { | 548 std::string* stun_username_attr_str) const { |
548 stun_username_attr_str->clear(); | 549 stun_username_attr_str->clear(); |
549 *stun_username_attr_str = remote_username; | 550 *stun_username_attr_str = remote_username; |
550 stun_username_attr_str->append(":"); | 551 stun_username_attr_str->append(":"); |
551 stun_username_attr_str->append(username_fragment()); | 552 stun_username_attr_str->append(username_fragment()); |
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784 } | 785 } |
785 if (connection_->nomination() && | 786 if (connection_->nomination() && |
786 connection_->nomination() != connection_->acked_nomination()) { | 787 connection_->nomination() != connection_->acked_nomination()) { |
787 request->AddAttribute(new StunUInt32Attribute( | 788 request->AddAttribute(new StunUInt32Attribute( |
788 STUN_ATTR_NOMINATION, connection_->nomination())); | 789 STUN_ATTR_NOMINATION, connection_->nomination())); |
789 } | 790 } |
790 } else if (connection_->port()->GetIceRole() == ICEROLE_CONTROLLED) { | 791 } else if (connection_->port()->GetIceRole() == ICEROLE_CONTROLLED) { |
791 request->AddAttribute(new StunUInt64Attribute( | 792 request->AddAttribute(new StunUInt64Attribute( |
792 STUN_ATTR_ICE_CONTROLLED, connection_->port()->IceTiebreaker())); | 793 STUN_ATTR_ICE_CONTROLLED, connection_->port()->IceTiebreaker())); |
793 } else { | 794 } else { |
794 ASSERT(false); | 795 RTC_NOTREACHED(); |
795 } | 796 } |
796 | 797 |
797 // Adding PRIORITY Attribute. | 798 // Adding PRIORITY Attribute. |
798 // Changing the type preference to Peer Reflexive and local preference | 799 // Changing the type preference to Peer Reflexive and local preference |
799 // and component id information is unchanged from the original priority. | 800 // and component id information is unchanged from the original priority. |
800 // priority = (2^24)*(type preference) + | 801 // priority = (2^24)*(type preference) + |
801 // (2^8)*(local preference) + | 802 // (2^8)*(local preference) + |
802 // (2^0)*(256 - component ID) | 803 // (2^0)*(256 - component ID) |
803 uint32_t type_preference = | 804 uint32_t type_preference = |
804 (connection_->local_candidate().protocol() == TCP_PROTOCOL_NAME) | 805 (connection_->local_candidate().protocol() == TCP_PROTOCOL_NAME) |
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1032 break; | 1033 break; |
1033 | 1034 |
1034 // Remote end point sent an STUN indication instead of regular binding | 1035 // Remote end point sent an STUN indication instead of regular binding |
1035 // request. In this case |last_ping_received_| will be updated but no | 1036 // request. In this case |last_ping_received_| will be updated but no |
1036 // response will be sent. | 1037 // response will be sent. |
1037 case STUN_BINDING_INDICATION: | 1038 case STUN_BINDING_INDICATION: |
1038 ReceivedPing(); | 1039 ReceivedPing(); |
1039 break; | 1040 break; |
1040 | 1041 |
1041 default: | 1042 default: |
1042 ASSERT(false); | 1043 RTC_NOTREACHED(); |
1043 break; | 1044 break; |
1044 } | 1045 } |
1045 } | 1046 } |
1046 } | 1047 } |
1047 | 1048 |
1048 void Connection::HandleBindingRequest(IceMessage* msg) { | 1049 void Connection::HandleBindingRequest(IceMessage* msg) { |
1049 // This connection should now be receiving. | 1050 // This connection should now be receiving. |
1050 ReceivedPing(); | 1051 ReceivedPing(); |
1051 | 1052 |
1052 const rtc::SocketAddress& remote_addr = remote_candidate_.address(); | 1053 const rtc::SocketAddress& remote_addr = remote_candidate_.address(); |
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1582 ASSERT(sent < 0); | 1583 ASSERT(sent < 0); |
1583 error_ = port_->GetError(); | 1584 error_ = port_->GetError(); |
1584 stats_.sent_discarded_packets++; | 1585 stats_.sent_discarded_packets++; |
1585 } else { | 1586 } else { |
1586 send_rate_tracker_.AddSamples(sent); | 1587 send_rate_tracker_.AddSamples(sent); |
1587 } | 1588 } |
1588 return sent; | 1589 return sent; |
1589 } | 1590 } |
1590 | 1591 |
1591 } // namespace cricket | 1592 } // namespace cricket |
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