diff options
Diffstat (limited to 'protocols/Tox/libtox/src/toxcore/net_crypto.h')
| -rw-r--r-- | protocols/Tox/libtox/src/toxcore/net_crypto.h | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/protocols/Tox/libtox/src/toxcore/net_crypto.h b/protocols/Tox/libtox/src/toxcore/net_crypto.h index 2ed35883d3..e40b7bfd95 100644 --- a/protocols/Tox/libtox/src/toxcore/net_crypto.h +++ b/protocols/Tox/libtox/src/toxcore/net_crypto.h @@ -31,6 +31,57 @@ #include <pthread.h> +/*** Crypto payloads. ***/ + +/** Ranges. **/ + +/* Packets in this range are reserved for net_crypto internal use. */ +#define PACKET_ID_RANGE_RESERVED_START 0 +#define PACKET_ID_RANGE_RESERVED_END 15 +/* Packets in this range are reserved for Messenger use. */ +#define PACKET_ID_RANGE_LOSSLESS_START 16 +#define PACKET_ID_RANGE_LOSSLESS_NORMAL_START 16 +#define PACKET_ID_RANGE_LOSSLESS_NORMAL_END 159 +/* Packets in this range can be used for anything. */ +#define PACKET_ID_RANGE_LOSSLESS_CUSTOM_START 160 +#define PACKET_ID_RANGE_LOSSLESS_CUSTOM_END 191 +#define PACKET_ID_RANGE_LOSSLESS_END 191 +/* Packets in this range are reserved for AV use. */ +#define PACKET_ID_RANGE_LOSSY_START 192 +#define PACKET_ID_RANGE_LOSSY_AV_START 192 +#define PACKET_ID_RANGE_LOSSY_AV_SIZE 8 +#define PACKET_ID_RANGE_LOSSY_AV_END 199 +/* Packets in this range can be used for anything. */ +#define PACKET_ID_RANGE_LOSSY_CUSTOM_START 200 +#define PACKET_ID_RANGE_LOSSY_CUSTOM_END 254 +#define PACKET_ID_RANGE_LOSSY_END 254 + +/** Messages. **/ + +#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 */ + +#define PACKET_ID_ONLINE 24 +#define PACKET_ID_OFFLINE 25 +#define PACKET_ID_NICKNAME 48 +#define PACKET_ID_STATUSMESSAGE 49 +#define PACKET_ID_USERSTATUS 50 +#define PACKET_ID_TYPING 51 +#define PACKET_ID_MESSAGE 64 +#define PACKET_ID_ACTION 65 /* PACKET_ID_MESSAGE + MESSAGE_ACTION */ +#define PACKET_ID_MSI 69 /* Used by AV to setup calls and etc */ +#define PACKET_ID_FILE_SENDREQUEST 80 +#define PACKET_ID_FILE_CONTROL 81 +#define PACKET_ID_FILE_DATA 82 +#define PACKET_ID_INVITE_CONFERENCE 96 +#define PACKET_ID_ONLINE_PACKET 97 +#define PACKET_ID_DIRECT_CONFERENCE 98 +#define PACKET_ID_MESSAGE_CONFERENCE 99 +#define PACKET_ID_LOSSY_CONFERENCE 199 + +/*** Crypto connections. ***/ + typedef enum Crypto_Conn_State { CRYPTO_CONN_NO_CONNECTION = 0, CRYPTO_CONN_COOKIE_REQUESTING = 1, // send cookie request packets @@ -66,20 +117,9 @@ typedef enum Crypto_Conn_State { /* The timeout of no received UDP packets before the direct UDP connection is considered dead. */ #define UDP_DIRECT_TIMEOUT 8 -#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 64 #define MAX_TCP_RELAYS_PEER 4 -/* All packets starting with a byte in this range are considered lossy packets. */ -#define PACKET_ID_LOSSY_RANGE_START 192 -#define PACKET_ID_LOSSY_RANGE_SIZE 63 - #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 @@ -209,7 +249,7 @@ bool max_speed_reached(Net_Crypto *c, int crypt_connection_id); * return -1 if data could not be put in packet queue. * return positive packet number if data was put into the queue. * - * The first byte of data must be in the CRYPTO_RESERVED_PACKETS to PACKET_ID_LOSSY_RANGE_START range. + * The first byte of data must be in the PACKET_ID_RANGE_LOSSLESS. * * congestion_control: should congestion control apply to this packet? */ @@ -225,10 +265,12 @@ int64_t write_cryptpacket(Net_Crypto *c, int crypt_connection_id, const uint8_t */ int cryptpacket_received(Net_Crypto *c, int crypt_connection_id, uint32_t packet_number); -/* return -1 on failure. +/* Sends a lossy cryptopacket. + * + * return -1 on failure. * return 0 on success. * - * Sends a lossy cryptopacket. (first byte must in the PACKET_ID_LOSSY_RANGE_*) + * The first byte of data must be in the PACKET_ID_RANGE_LOSSY. */ int send_lossy_cryptpacket(Net_Crypto *c, int crypt_connection_id, const uint8_t *data, uint16_t length); |