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Added some comments to net_crypto.h

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irungentoo 2014-11-03 20:50:18 -05:00
parent 3b14bbf78e
commit 1f4b061a4c
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1 changed files with 11 additions and 6 deletions
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17
toxcore/net_crypto.h
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@ -31,10 +31,11 @@
#define CRYPTO_CONN_NO_CONNECTION 0
#define CRYPTO_CONN_COOKIE_REQUESTING 1 //send cookie request packets
#define CRYPTO_CONN_HANDSHAKE_SENT 2 //send handshake packets
#define CRYPTO_CONN_NOT_CONFIRMED 3 //send handshake packets
#define CRYPTO_CONN_NOT_CONFIRMED 3 //send handshake packets, we have received one from the other
#define CRYPTO_CONN_ESTABLISHED 4
#define CRYPTO_CONN_TIMED_OUT 5
/* Maximum size of receiving and sending packet buffers. */
#define CRYPTO_PACKET_BUFFER_SIZE 16384 /* Must be a power of 2 */
/* Minimum packet rate per second. */
@ -43,15 +44,17 @@
/* Minimum packet queue max length. */
#define CRYPTO_MIN_QUEUE_LENGTH 64
/* Maximum total size of packets that net_crypto sends. */
#define MAX_CRYPTO_PACKET_SIZE 1400
#define CRYPTO_DATA_PACKET_MIN_SIZE (1 + sizeof(uint16_t) + (sizeof(uint32_t) + sizeof(uint32_t)) + crypto_box_MACBYTES)
/* Max size of data in packets TODO*/
/* Max size of data in packets */
#define MAX_CRYPTO_DATA_SIZE (MAX_CRYPTO_PACKET_SIZE - CRYPTO_DATA_PACKET_MIN_SIZE)
/* Interval in ms between sending cookie request/handshake packets. */
#define CRYPTO_SEND_PACKET_INTERVAL 500
/* The maximum number of times we try to send the cookie request and handshake
before giving up. */
#define MAX_NUM_SENDPACKET_TRIES 8
@ -59,10 +62,11 @@
/* The timeout of no received UDP packets before the direct UDP connection is considered dead. */
#define UDP_DIRECT_TIMEOUT (MAX_NUM_SENDPACKET_TRIES * CRYPTO_SEND_PACKET_INTERVAL * 2)
#define PACKET_ID_PADDING 0
#define PACKET_ID_REQUEST 1
#define PACKET_ID_KILL 2
#define PACKET_ID_PADDING 0 /* Denotes padding */
#define PACKET_ID_REQUEST 1 /* Used to request unreceived packets */
#define PACKET_ID_KILL 2 /* Used to kill connection */
/* Packet ids 0 to CRYPTO_RESERVED_PACKETS - 1 are reserved for use by net_crypto. */
#define CRYPTO_RESERVED_PACKETS 16
#define MAX_TCP_CONNECTIONS 32
@ -79,7 +83,8 @@
#define CRYPTO_MAX_PADDING 8 /* All packets will be padded a number of bytes based on this number. */
/* Base current transfer speed on last CONGESTION_QUEUE_ARRAY_SIZE number of points taken
at the dT defined in net_crypto.c */
#define CONGESTION_QUEUE_ARRAY_SIZE 8
typedef struct {