static void stats_initialize()
{
Console.Write("initializing\n");
reliable.init();
global_context = new test_context_t();
reliable.default_config(out var client_config);
reliable.default_config(out var server_config);
client_config.fragment_above = MAX_PACKET_BYTES;
server_config.fragment_above = MAX_PACKET_BYTES;
client_config.name = "client";
client_config.context = global_context;
client_config.index = 0;
client_config.transmit_packet_function = test_transmit_packet_function;
client_config.process_packet_function = test_process_packet_function;
server_config.name = "server";
server_config.context = global_context;
server_config.index = 1;
server_config.transmit_packet_function = test_transmit_packet_function;
server_config.process_packet_function = test_process_packet_function;
global_context.client = reliable.endpoint_create(client_config, global_time);
global_context.server = reliable.endpoint_create(server_config, global_time);
}
static void test_packets()
{
var time = 100.0;
var context = new test_context_t();
default_config(out var sender_config);
default_config(out var receiver_config);
sender_config.fragment_above = 500;
receiver_config.fragment_above = 500;
sender_config.name = "sender";
sender_config.context = context;
sender_config.index = 0;
sender_config.transmit_packet_function = test_transmit_packet_function;
sender_config.process_packet_function = test_process_packet_function_validate;
receiver_config.name = "receiver";
receiver_config.context = context;
receiver_config.index = 1;
receiver_config.transmit_packet_function = test_transmit_packet_function;
receiver_config.process_packet_function = test_process_packet_function_validate;
context.sender = endpoint_create(sender_config, time);
context.receiver = endpoint_create(receiver_config, time);
const double delta_time = 0.1;
int i;
for (i = 0; i < 16; ++i)
{
{
var packet_data = new byte[TEST_MAX_PACKET_BYTES];
var sequence = endpoint_next_packet_sequence(context.sender);
var packet_bytes = generate_packet_data(sequence, packet_data);
endpoint_send_packet(context.sender, packet_data, packet_bytes);
}
{
var packet_data = new byte[TEST_MAX_PACKET_BYTES];
var sequence = endpoint_next_packet_sequence(context.sender);
var packet_bytes = generate_packet_data(sequence, packet_data);
endpoint_send_packet(context.sender, packet_data, packet_bytes);
}
endpoint_update(context.sender, time);
endpoint_update(context.receiver, time);
endpoint_clear_acks(context.sender);
endpoint_clear_acks(context.receiver);
time += delta_time;
}
endpoint_destroy(ref context.sender);
endpoint_destroy(ref context.receiver);
}
static void test_sequence_buffer_rollover()
{
var time = 100.0;
var context = new test_context_t();
default_config(out var sender_config);
default_config(out var receiver_config);
sender_config.fragment_above = 500;
receiver_config.fragment_above = 500;
sender_config.name = "sender";
sender_config.context = context;
sender_config.index = 0;
sender_config.transmit_packet_function = test_transmit_packet_function;
sender_config.process_packet_function = test_process_packet_function;
receiver_config.name = "receiver";
receiver_config.context = context;
receiver_config.index = 1;
receiver_config.transmit_packet_function = test_transmit_packet_function;
receiver_config.process_packet_function = test_process_packet_function;
context.sender = endpoint_create(sender_config, time);
context.receiver = endpoint_create(receiver_config, time);
int num_packets_sent = 0;
int i;
for (i = 0; i <= 32767; ++i)
{
var packet_data = new byte[16];
var packet_bytes = 16;
endpoint_next_packet_sequence(context.sender);
endpoint_send_packet(context.sender, packet_data, packet_bytes);
++num_packets_sent;
}
{
var packet_data = new byte[TEST_MAX_PACKET_BYTES];
var packet_bytes = TEST_MAX_PACKET_BYTES;
endpoint_next_packet_sequence(context.sender);
endpoint_send_packet(context.sender, packet_data, packet_bytes);
++num_packets_sent;
}
var receiver_counters = endpoint_counters(context.receiver);
check(receiver_counters[ENDPOINT_COUNTER_NUM_PACKETS_RECEIVED] == (ushort)num_packets_sent);
check(receiver_counters[ENDPOINT_COUNTER_NUM_FRAGMENTS_INVALID] == 0);
endpoint_destroy(ref context.sender);
endpoint_destroy(ref context.receiver);
}
static void test_acks_packet_loss()
{
var time = 100.0;
var context = new test_context_t();
default_config(out var sender_config);
default_config(out var receiver_config);
sender_config.context = context;
sender_config.index = 0;
sender_config.transmit_packet_function = test_transmit_packet_function;
sender_config.process_packet_function = test_process_packet_function;
receiver_config.context = context;
receiver_config.index = 1;
receiver_config.transmit_packet_function = test_transmit_packet_function;
receiver_config.process_packet_function = test_process_packet_function;
context.sender = endpoint_create(sender_config, time);
context.receiver = endpoint_create(receiver_config, time);
const double delta_time = 0.1;
int i;
for (i = 0; i < TEST_ACKS_NUM_ITERATIONS; ++i)
{
var dummy_packet = new byte[8];
context.drop = (i % 2) != 0;
endpoint_send_packet(context.sender, dummy_packet, dummy_packet.Length);
endpoint_send_packet(context.receiver, dummy_packet, dummy_packet.Length);
endpoint_update(context.sender, time);
endpoint_update(context.receiver, time);
time += delta_time;
}
var sender_acked_packet = new byte[TEST_ACKS_NUM_ITERATIONS];
var sender_acks = endpoint_get_acks(context.sender, out var sender_num_acks);
for (i = 0; i < sender_num_acks; ++i)
{
if (sender_acks[i] < TEST_ACKS_NUM_ITERATIONS)
{
sender_acked_packet[sender_acks[i]] = 1;
}
}
for (i = 0; i < TEST_ACKS_NUM_ITERATIONS / 2; ++i)
{
check(sender_acked_packet[i] == (i + 1) % 2);
}
var receiver_acked_packet = new byte[TEST_ACKS_NUM_ITERATIONS];
var receiver_acks = endpoint_get_acks(context.sender, out var receiver_num_acks);
for (i = 0; i < receiver_num_acks; ++i)
{
if (receiver_acks[i] < TEST_ACKS_NUM_ITERATIONS)
{
receiver_acked_packet[receiver_acks[i]] = 1;
}
}
for (i = 0; i < TEST_ACKS_NUM_ITERATIONS / 2; ++i)
{
check(receiver_acked_packet[i] == (i + 1) % 2);
}
endpoint_destroy(ref context.sender);
endpoint_destroy(ref context.receiver);
}
