lokinet/libutp/utp_callbacks.cpp
Jeff Becker 085563ac2f
implement utp link protocol
gut curvecp for now
2018-09-04 08:41:25 -04:00

209 lines
6.5 KiB
C++

// vim:set ts=4 sw=4 ai:
/*
* Copyright (c) 2010-2013 BitTorrent, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "utp_callbacks.h"
int utp_call_on_firewall(utp_context *ctx, const struct sockaddr *address, socklen_t address_len)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_FIREWALL]) return 0;
args.callback_type = UTP_ON_FIREWALL;
args.context = ctx;
args.socket = NULL;
args.address = address;
args.address_len = address_len;
return (int)ctx->callbacks[UTP_ON_FIREWALL](&args);
}
void utp_call_on_accept(utp_context *ctx, utp_socket *socket, const struct sockaddr *address, socklen_t address_len)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_ACCEPT]) return;
args.callback_type = UTP_ON_ACCEPT;
args.context = ctx;
args.socket = socket;
args.address = address;
args.address_len = address_len;
ctx->callbacks[UTP_ON_ACCEPT](&args);
}
void utp_call_on_connect(utp_context *ctx, utp_socket *socket)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_CONNECT]) return;
args.callback_type = UTP_ON_CONNECT;
args.context = ctx;
args.socket = socket;
ctx->callbacks[UTP_ON_CONNECT](&args);
}
void utp_call_on_error(utp_context *ctx, utp_socket *socket, int error_code)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_ERROR]) return;
args.callback_type = UTP_ON_ERROR;
args.context = ctx;
args.socket = socket;
args.error_code = error_code;
ctx->callbacks[UTP_ON_ERROR](&args);
}
void utp_call_on_read(utp_context *ctx, utp_socket *socket, const byte *buf, size_t len)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_READ]) return;
args.callback_type = UTP_ON_READ;
args.context = ctx;
args.socket = socket;
args.buf = buf;
args.len = len;
ctx->callbacks[UTP_ON_READ](&args);
}
void utp_call_on_overhead_statistics(utp_context *ctx, utp_socket *socket, int send, size_t len, int type)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_OVERHEAD_STATISTICS]) return;
args.callback_type = UTP_ON_OVERHEAD_STATISTICS;
args.context = ctx;
args.socket = socket;
args.send = send;
args.len = len;
args.type = type;
ctx->callbacks[UTP_ON_OVERHEAD_STATISTICS](&args);
}
void utp_call_on_delay_sample(utp_context *ctx, utp_socket *socket, int sample_ms)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_DELAY_SAMPLE]) return;
args.callback_type = UTP_ON_DELAY_SAMPLE;
args.context = ctx;
args.socket = socket;
args.sample_ms = sample_ms;
ctx->callbacks[UTP_ON_DELAY_SAMPLE](&args);
}
void utp_call_on_state_change(utp_context *ctx, utp_socket *socket, int state)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_ON_STATE_CHANGE]) return;
args.callback_type = UTP_ON_STATE_CHANGE;
args.context = ctx;
args.socket = socket;
args.state = state;
ctx->callbacks[UTP_ON_STATE_CHANGE](&args);
}
uint16 utp_call_get_udp_mtu(utp_context *ctx, utp_socket *socket, const struct sockaddr *address, socklen_t address_len)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_GET_UDP_MTU]) return 0;
args.callback_type = UTP_GET_UDP_MTU;
args.context = ctx;
args.socket = socket;
args.address = address;
args.address_len = address_len;
return (uint16)ctx->callbacks[UTP_GET_UDP_MTU](&args);
}
uint16 utp_call_get_udp_overhead(utp_context *ctx, utp_socket *socket, const struct sockaddr *address, socklen_t address_len)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_GET_UDP_OVERHEAD]) return 0;
args.callback_type = UTP_GET_UDP_OVERHEAD;
args.context = ctx;
args.socket = socket;
args.address = address;
args.address_len = address_len;
return (uint16)ctx->callbacks[UTP_GET_UDP_OVERHEAD](&args);
}
uint64 utp_call_get_milliseconds(utp_context *ctx, utp_socket *socket)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_GET_MILLISECONDS]) return 0;
args.callback_type = UTP_GET_MILLISECONDS;
args.context = ctx;
args.socket = socket;
return ctx->callbacks[UTP_GET_MILLISECONDS](&args);
}
uint64 utp_call_get_microseconds(utp_context *ctx, utp_socket *socket)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_GET_MICROSECONDS]) return 0;
args.callback_type = UTP_GET_MICROSECONDS;
args.context = ctx;
args.socket = socket;
return ctx->callbacks[UTP_GET_MICROSECONDS](&args);
}
uint32 utp_call_get_random(utp_context *ctx, utp_socket *socket)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_GET_RANDOM]) return 0;
args.callback_type = UTP_GET_RANDOM;
args.context = ctx;
args.socket = socket;
return (uint32)ctx->callbacks[UTP_GET_RANDOM](&args);
}
size_t utp_call_get_read_buffer_size(utp_context *ctx, utp_socket *socket)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_GET_READ_BUFFER_SIZE]) return 0;
args.callback_type = UTP_GET_READ_BUFFER_SIZE;
args.context = ctx;
args.socket = socket;
return (size_t)ctx->callbacks[UTP_GET_READ_BUFFER_SIZE](&args);
}
void utp_call_log(utp_context *ctx, utp_socket *socket, const byte *buf)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_LOG]) return;
args.callback_type = UTP_LOG;
args.context = ctx;
args.socket = socket;
args.buf = buf;
ctx->callbacks[UTP_LOG](&args);
}
void utp_call_sendto(utp_context *ctx, utp_socket *socket, const byte *buf, size_t len, const struct sockaddr *address, socklen_t address_len, uint32 flags)
{
utp_callback_arguments args;
if (!ctx->callbacks[UTP_SENDTO]) return;
args.callback_type = UTP_SENDTO;
args.context = ctx;
args.socket = socket;
args.buf = buf;
args.len = len;
args.address = address;
args.address_len = address_len;
args.flags = flags;
ctx->callbacks[UTP_SENDTO](&args);
}