76 lines
3.2 KiB
C++
76 lines
3.2 KiB
C++
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/*
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* Copyright 2004 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 "p2p/base/p2p_constants.h"
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namespace cricket {
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const char CN_AUDIO[] = "audio";
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const char CN_VIDEO[] = "video";
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const char CN_DATA[] = "data";
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const char CN_OTHER[] = "main";
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const char GROUP_TYPE_BUNDLE[] = "BUNDLE";
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// Minimum ufrag length is 4 characters as per RFC5245.
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const int ICE_UFRAG_LENGTH = 4;
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// Minimum password length of 22 characters as per RFC5245. We chose 24 because
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// some internal systems expect password to be multiple of 4.
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const int ICE_PWD_LENGTH = 24;
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const size_t ICE_UFRAG_MIN_LENGTH = 4;
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const size_t ICE_PWD_MIN_LENGTH = 22;
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const size_t ICE_UFRAG_MAX_LENGTH = 256;
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const size_t ICE_PWD_MAX_LENGTH = 256;
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// This is media-specific, so might belong
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// somewhere like media/base/mediaconstants.h
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const int ICE_CANDIDATE_COMPONENT_RTP = 1;
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const int ICE_CANDIDATE_COMPONENT_RTCP = 2;
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const int ICE_CANDIDATE_COMPONENT_DEFAULT = 1;
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// From RFC 4145, SDP setup attribute values.
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const char CONNECTIONROLE_ACTIVE_STR[] = "active";
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const char CONNECTIONROLE_PASSIVE_STR[] = "passive";
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const char CONNECTIONROLE_ACTPASS_STR[] = "actpass";
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const char CONNECTIONROLE_HOLDCONN_STR[] = "holdconn";
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const char LOCAL_TLD[] = ".local";
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const int MIN_CHECK_RECEIVING_INTERVAL = 50;
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const int RECEIVING_TIMEOUT = MIN_CHECK_RECEIVING_INTERVAL * 50;
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const int RECEIVING_SWITCHING_DELAY = 1000;
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const int BACKUP_CONNECTION_PING_INTERVAL = 25 * 1000;
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const int REGATHER_ON_FAILED_NETWORKS_INTERVAL = 5 * 60 * 1000;
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// When the socket is unwritable, we will use 10 Kbps (ignoring IP+UDP headers)
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// for pinging. When the socket is writable, we will use only 1 Kbps because we
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// don't want to degrade the quality on a modem. These numbers should work well
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// on a 28.8K modem, which is the slowest connection on which the voice quality
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// is reasonable at all.
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const int STUN_PING_PACKET_SIZE = 60 * 8;
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const int STRONG_PING_INTERVAL = 1000 * STUN_PING_PACKET_SIZE / 1000; // 480ms.
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const int WEAK_PING_INTERVAL = 1000 * STUN_PING_PACKET_SIZE / 10000; // 48ms.
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const int WEAK_OR_STABILIZING_WRITABLE_CONNECTION_PING_INTERVAL = 900;
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const int STRONG_AND_STABLE_WRITABLE_CONNECTION_PING_INTERVAL = 2500;
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const int CONNECTION_WRITE_CONNECT_TIMEOUT = 5 * 1000; // 5 seconds
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const uint32_t CONNECTION_WRITE_CONNECT_FAILURES = 5; // 5 pings
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const int STUN_KEEPALIVE_INTERVAL = 10 * 1000; // 10 seconds
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const int MIN_CONNECTION_LIFETIME = 10 * 1000; // 10 seconds.
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const int DEAD_CONNECTION_RECEIVE_TIMEOUT = 30 * 1000; // 30 seconds.
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const int WEAK_CONNECTION_RECEIVE_TIMEOUT = 2500; // 2.5 seconds
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const int CONNECTION_WRITE_TIMEOUT = 15 * 1000; // 15 seconds
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// There is no harm to keep this value high other than a small amount
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// of increased memory, but in some networks (2G), we observe up to 60s RTTs.
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const int CONNECTION_RESPONSE_TIMEOUT = 60 * 1000; // 60 seconds
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} // namespace cricket
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