diff options
Diffstat (limited to 'node/Constants.hpp')
| -rw-r--r-- | node/Constants.hpp | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/node/Constants.hpp b/node/Constants.hpp index b7042d5d..3bda3805 100644 --- a/node/Constants.hpp +++ b/node/Constants.hpp @@ -215,6 +215,11 @@ #define ZT_RECEIVE_QUEUE_TIMEOUT (ZT_WHOIS_RETRY_DELAY * (ZT_MAX_WHOIS_RETRIES + 1)) /** + * Maximum latency to allow for OK(HELLO) before packet is discarded + */ +#define ZT_HELLO_MAX_ALLOWABLE_LATENCY 60000 + +/** * Maximum number of ZT hops allowed (this is not IP hops/TTL) * * The protocol allows up to 7, but we limit it to something smaller. @@ -222,6 +227,11 @@ #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 @@ -256,12 +266,12 @@ /** * How frequently to send heartbeats over in-use paths */ -#define ZT_PATH_HEARTBEAT_PERIOD 10000 +#define ZT_PATH_HEARTBEAT_PERIOD 14000 /** * Paths are considered inactive if they have not received traffic in this long */ -#define ZT_PATH_ALIVE_TIMEOUT 25000 +#define ZT_PATH_ALIVE_TIMEOUT 45000 /** * Minimum time between attempts to check dead paths to see if they can be re-awakened @@ -284,6 +294,11 @@ #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) @@ -321,6 +336,11 @@ #define ZT_MIN_UNITE_INTERVAL 30000 /** + * How often should peers try memorized or statically defined paths? + */ +#define ZT_TRY_MEMORIZED_PATH_INTERVAL 30000 + +/** * Sanity limit on maximum bridge routes * * If the number of bridge routes exceeds this, we cull routes from the @@ -376,6 +396,26 @@ #define ZT_PEER_GENERAL_RATE_LIMIT 1000 /** + * Don't do expensive identity validation more often than this + * + * IPv4 and IPv6 address prefixes are hashed down to 14-bit (0-16383) integers + * using the first 24 bits for IPv4 or the first 48 bits for IPv6. These are + * then rate limited to one identity validation per this often milliseconds. + */ +#if (defined(__amd64) || defined(__amd64__) || defined(__x86_64) || defined(__x86_64__) || defined(__AMD64) || defined(__AMD64__) || defined(_M_X64) || defined(_M_AMD64)) +// AMD64 machines can do anywhere from one every 50ms to one every 10ms. This provides plenty of margin. +#define ZT_IDENTITY_VALIDATION_SOURCE_RATE_LIMIT 2000 +#else +#if (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(_M_IX86) || defined(_X86_) || defined(__I86__)) +// 32-bit Intel machines usually average about one every 100ms +#define ZT_IDENTITY_VALIDATION_SOURCE_RATE_LIMIT 5000 +#else +// This provides a safe margin for ARM, MIPS, etc. that usually average one every 250-400ms +#define ZT_IDENTITY_VALIDATION_SOURCE_RATE_LIMIT 10000 +#endif +#endif + +/** * How long is a path or peer considered to have a trust relationship with us (for e.g. relay policy) since last trusted established packet? */ #define ZT_TRUST_EXPIRATION 600000 @@ -394,6 +434,11 @@ #define ZT_UDP_DESIRED_BUF_SIZE 131072 #endif +/** + * Desired / recommended min stack size for threads (used on some platforms to reset thread stack size) + */ +#define ZT_THREAD_MIN_STACK_SIZE 1048576 + /* Ethernet frame types that might be relevant to us */ #define ZT_ETHERTYPE_IPV4 0x0800 #define ZT_ETHERTYPE_ARP 0x0806 |