diff options
Diffstat (limited to 'node/Constants.hpp')
| -rw-r--r-- | node/Constants.hpp | 112 |
1 files changed, 53 insertions, 59 deletions
diff --git a/node/Constants.hpp b/node/Constants.hpp index 93184efa..23bebafd 100644 --- a/node/Constants.hpp +++ b/node/Constants.hpp @@ -1,6 +1,6 @@ /* * ZeroTier One - Network Virtualization Everywhere - * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/ + * Copyright (C) 2011-2018 ZeroTier, Inc. https://www.zerotier.com/ * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -14,6 +14,14 @@ * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * -- + * + * You can be released from the requirements of the license by purchasing + * a commercial license. Buying such a license is mandatory as soon as you + * develop commercial closed-source software that incorporates or links + * directly against ZeroTier software without disclosing the source code + * of your own application. */ #ifndef ZT_CONSTANTS_HPP @@ -52,6 +60,8 @@ #endif #ifdef __APPLE__ +#define likely(x) __builtin_expect((x),1) +#define unlikely(x) __builtin_expect((x),0) #include <TargetConditionals.h> #ifndef __UNIX_LIKE__ #define __UNIX_LIKE__ @@ -124,6 +134,28 @@ #include <endian.h> #endif +#if (defined(__GNUC__) && (__GNUC__ >= 3)) || (defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 800)) || defined(__clang__) +#ifndef likely +#define likely(x) __builtin_expect((x),1) +#endif +#ifndef unlikely +#define unlikely(x) __builtin_expect((x),0) +#endif +#else +#ifndef likely +#define likely(x) (x) +#endif +#ifndef unlikely +#define unlikely(x) (x) +#endif +#endif + +#ifdef __WINDOWS__ +#define ZT_PACKED_STRUCT(D) __pragma(pack(push,1)) D __pragma(pack(pop)) +#else +#define ZT_PACKED_STRUCT(D) D __attribute__((packed)) +#endif + /** * Length of a ZeroTier address in bytes */ @@ -140,26 +172,14 @@ #define ZT_ADDRESS_RESERVED_PREFIX 0xff /** - * Default payload MTU for UDP packets - * - * In the future we might support UDP path MTU discovery, but for now we - * set a maximum that is equal to 1500 minus 8 (for PPPoE overhead, common - * in some markets) minus 48 (IPv6 UDP overhead). - */ -#define ZT_UDP_DEFAULT_PAYLOAD_MTU 1444 - -/** * Default MTU used for Ethernet tap device */ -#define ZT_IF_MTU ZT_MAX_MTU +#define ZT_DEFAULT_MTU 2800 /** - * Maximum number of packet fragments we'll support - * - * The actual spec allows 16, but this is the most we'll support right - * now. Packets with more than this many fragments are dropped. + * Maximum number of packet fragments we'll support (protocol max: 16) */ -#define ZT_MAX_PACKET_FRAGMENTS 4 +#define ZT_MAX_PACKET_FRAGMENTS 7 /** * Size of RX queue @@ -170,11 +190,6 @@ #define ZT_RX_QUEUE_SIZE 64 /** - * RX queue entries older than this do not "exist" - */ -#define ZT_RX_QUEUE_EXPIRE 4000 - -/** * Length of secret key in bytes -- 256-bit -- do not change */ #define ZT_PEER_SECRET_KEY_LENGTH 32 @@ -187,37 +202,27 @@ /** * How often Topology::clean() and Network::clean() and similar are called, in ms */ -#define ZT_HOUSEKEEPING_PERIOD 120000 - -/** - * How long to remember peer records in RAM if they haven't been used - */ -#define ZT_PEER_IN_MEMORY_EXPIRATION 600000 +#define ZT_HOUSEKEEPING_PERIOD 60000 /** * Delay between WHOIS retries in ms */ -#define ZT_WHOIS_RETRY_DELAY 1000 - -/** - * Maximum identity WHOIS retries (each attempt tries consulting a different peer) - */ -#define ZT_MAX_WHOIS_RETRIES 4 +#define ZT_WHOIS_RETRY_DELAY 500 /** * Transmit queue entry timeout */ -#define ZT_TRANSMIT_QUEUE_TIMEOUT (ZT_WHOIS_RETRY_DELAY * (ZT_MAX_WHOIS_RETRIES + 1)) +#define ZT_TRANSMIT_QUEUE_TIMEOUT 5000 /** * Receive queue entry timeout */ -#define ZT_RECEIVE_QUEUE_TIMEOUT (ZT_WHOIS_RETRY_DELAY * (ZT_MAX_WHOIS_RETRIES + 1)) +#define ZT_RECEIVE_QUEUE_TIMEOUT 5000 /** * Maximum latency to allow for OK(HELLO) before packet is discarded */ -#define ZT_HELLO_MAX_ALLOWABLE_LATENCY 60000 +#define ZT_HELLO_MAX_ALLOWABLE_LATENCY 120000 /** * Maximum number of ZT hops allowed (this is not IP hops/TTL) @@ -227,11 +232,6 @@ #define ZT_RELAY_MAX_HOPS 3 /** - * Maximum number of upstreams to use (far more than we should ever need) - */ -#define ZT_MAX_UPSTREAMS 64 - -/** * Expire time for multicast 'likes' and indirect multicast memberships in ms */ #define ZT_MULTICAST_LIKE_EXPIRE 600000 @@ -269,16 +269,6 @@ #define ZT_PATH_HEARTBEAT_PERIOD 14000 /** - * Paths are considered inactive if they have not received traffic in this long - */ -#define ZT_PATH_ALIVE_TIMEOUT 45000 - -/** - * Minimum time between attempts to check dead paths to see if they can be re-awakened - */ -#define ZT_PATH_MIN_REACTIVATE_INTERVAL 2500 - -/** * Do not accept HELLOs over a given path more often than this */ #define ZT_PATH_HELLO_RATE_LIMIT 1000 @@ -294,11 +284,6 @@ #define ZT_PEER_PATH_EXPIRATION ((ZT_PEER_PING_PERIOD * 4) + 3000) /** - * Send a full HELLO every this often (ms) - */ -#define ZT_PEER_SEND_FULL_HELLO_EVERY (ZT_PEER_PING_PERIOD * 2) - -/** * How often to retry expired paths that we're still remembering */ #define ZT_PEER_EXPIRED_PATH_TRIAL_PERIOD (ZT_PEER_PING_PERIOD * 10) @@ -364,7 +349,7 @@ /** * Time horizon for push direct paths cutoff */ -#define ZT_PUSH_DIRECT_PATHS_CUTOFF_TIME 60000 +#define ZT_PUSH_DIRECT_PATHS_CUTOFF_TIME 30000 /** * Maximum number of direct path pushes within cutoff time @@ -373,12 +358,12 @@ * per CUTOFF_TIME milliseconds per peer to prevent this from being * useful for DOS amplification attacks. */ -#define ZT_PUSH_DIRECT_PATHS_CUTOFF_LIMIT 5 +#define ZT_PUSH_DIRECT_PATHS_CUTOFF_LIMIT 8 /** * Maximum number of paths per IP scope (e.g. global, link-local) and family (e.g. v4/v6) */ -#define ZT_PUSH_DIRECT_PATHS_MAX_PER_SCOPE_AND_FAMILY 4 +#define ZT_PUSH_DIRECT_PATHS_MAX_PER_SCOPE_AND_FAMILY 8 /** * Time horizon for VERB_NETWORK_CREDENTIALS cutoff @@ -454,4 +439,13 @@ #define ZT_ETHERTYPE_IPX_B 0x8138 #define ZT_ETHERTYPE_IPV6 0x86dd +#define ZT_EXCEPTION_OUT_OF_BOUNDS 100 +#define ZT_EXCEPTION_OUT_OF_MEMORY 101 +#define ZT_EXCEPTION_PRIVATE_KEY_REQUIRED 102 +#define ZT_EXCEPTION_INVALID_ARGUMENT 103 +#define ZT_EXCEPTION_INVALID_SERIALIZED_DATA_INVALID_TYPE 200 +#define ZT_EXCEPTION_INVALID_SERIALIZED_DATA_OVERFLOW 201 +#define ZT_EXCEPTION_INVALID_SERIALIZED_DATA_INVALID_CRYPTOGRAPHIC_TOKEN 202 +#define ZT_EXCEPTION_INVALID_SERIALIZED_DATA_BAD_ENCODING 203 + #endif |