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Diffstat (limited to 'third_party/libwebrtc/p2p/base/p2p_constants.cc')
| -rw-r--r-- | third_party/libwebrtc/p2p/base/p2p_constants.cc | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/libwebrtc/p2p/base/p2p_constants.cc b/third_party/libwebrtc/p2p/base/p2p_constants.cc new file mode 100644 index 0000000000..3414939a6f --- /dev/null +++ b/third_party/libwebrtc/p2p/base/p2p_constants.cc @@ -0,0 +1,75 @@ +/* + * Copyright 2004 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "p2p/base/p2p_constants.h" + +namespace cricket { + +const char CN_AUDIO[] = "audio"; +const char CN_VIDEO[] = "video"; +const char CN_DATA[] = "data"; +const char CN_OTHER[] = "main"; + +const char GROUP_TYPE_BUNDLE[] = "BUNDLE"; + +// Minimum ufrag length is 4 characters as per RFC5245. +const int ICE_UFRAG_LENGTH = 4; +// Minimum password length of 22 characters as per RFC5245. We chose 24 because +// some internal systems expect password to be multiple of 4. +const int ICE_PWD_LENGTH = 24; +const size_t ICE_UFRAG_MIN_LENGTH = 4; +const size_t ICE_PWD_MIN_LENGTH = 22; +const size_t ICE_UFRAG_MAX_LENGTH = 256; +const size_t ICE_PWD_MAX_LENGTH = 256; + +// This is media-specific, so might belong +// somewhere like media/base/mediaconstants.h +const int ICE_CANDIDATE_COMPONENT_RTP = 1; +const int ICE_CANDIDATE_COMPONENT_RTCP = 2; +const int ICE_CANDIDATE_COMPONENT_DEFAULT = 1; + +// From RFC 4145, SDP setup attribute values. +const char CONNECTIONROLE_ACTIVE_STR[] = "active"; +const char CONNECTIONROLE_PASSIVE_STR[] = "passive"; +const char CONNECTIONROLE_ACTPASS_STR[] = "actpass"; +const char CONNECTIONROLE_HOLDCONN_STR[] = "holdconn"; + +const char LOCAL_TLD[] = ".local"; + +const int MIN_CHECK_RECEIVING_INTERVAL = 50; +const int RECEIVING_TIMEOUT = MIN_CHECK_RECEIVING_INTERVAL * 50; +const int RECEIVING_SWITCHING_DELAY = 1000; +const int BACKUP_CONNECTION_PING_INTERVAL = 25 * 1000; +const int REGATHER_ON_FAILED_NETWORKS_INTERVAL = 5 * 60 * 1000; + +// When the socket is unwritable, we will use 10 Kbps (ignoring IP+UDP headers) +// for pinging. When the socket is writable, we will use only 1 Kbps because we +// don't want to degrade the quality on a modem. These numbers should work well +// on a 28.8K modem, which is the slowest connection on which the voice quality +// is reasonable at all. +const int STUN_PING_PACKET_SIZE = 60 * 8; +const int STRONG_PING_INTERVAL = 1000 * STUN_PING_PACKET_SIZE / 1000; // 480ms. +const int WEAK_PING_INTERVAL = 1000 * STUN_PING_PACKET_SIZE / 10000; // 48ms. +const int WEAK_OR_STABILIZING_WRITABLE_CONNECTION_PING_INTERVAL = 900; +const int STRONG_AND_STABLE_WRITABLE_CONNECTION_PING_INTERVAL = 2500; +const int CONNECTION_WRITE_CONNECT_TIMEOUT = 5 * 1000; // 5 seconds +const uint32_t CONNECTION_WRITE_CONNECT_FAILURES = 5; // 5 pings + +const int STUN_KEEPALIVE_INTERVAL = 10 * 1000; // 10 seconds + +const int MIN_CONNECTION_LIFETIME = 10 * 1000; // 10 seconds. +const int DEAD_CONNECTION_RECEIVE_TIMEOUT = 30 * 1000; // 30 seconds. +const int WEAK_CONNECTION_RECEIVE_TIMEOUT = 2500; // 2.5 seconds +const int CONNECTION_WRITE_TIMEOUT = 15 * 1000; // 15 seconds +// There is no harm to keep this value high other than a small amount +// of increased memory, but in some networks (2G), we observe up to 60s RTTs. +const int CONNECTION_RESPONSE_TIMEOUT = 60 * 1000; // 60 seconds + +} // namespace cricket |