mirror of
https://github.com/solemnwarning/directplay-lite
synced 2024-12-30 16:45:37 +01:00
489 lines
14 KiB
C++
489 lines
14 KiB
C++
/* DirectPlay Lite
|
|
* Copyright (C) 2018 Daniel Collins
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <winsock2.h>
|
|
#include <algorithm>
|
|
#include <assert.h>
|
|
#include <atomic>
|
|
#include <dplay8.h>
|
|
#include <mutex>
|
|
#include <objbase.h>
|
|
#include <psapi.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <vector>
|
|
#include <windows.h>
|
|
|
|
/* Durations specified in milliseconds. */
|
|
#define STATS_INTERVAL (30 * 1000)
|
|
|
|
static const int MESSAGE_SIZES[] = { 17, 33, 257, 1025, 4097, 8193, 16385, 70000 };
|
|
|
|
static const GUID APP_GUID = { 0x8723c2c6, 0x0b89, 0x4ea0, { 0xad, 0xe8, 0xec, 0x53, 0x66, 0x51, 0x68, 0x9f } };
|
|
|
|
struct phase {
|
|
int phase_duration_ms;
|
|
int reconstruct_interval_ms;
|
|
int reinitialise_interval_ms;
|
|
int concurrent_messages;
|
|
};
|
|
|
|
static const struct phase PHASES[] = {
|
|
/* Generate statistics with varying numbers of concurrent SendTo() operations. */
|
|
{ 300000, 999999999, 999999999, 1 },
|
|
{ 300000, 999999999, 999999999, 2 },
|
|
{ 300000, 999999999, 999999999, 4 },
|
|
{ 300000, 999999999, 999999999, 8 },
|
|
{ 300000, 999999999, 999999999, 16 },
|
|
{ 300000, 999999999, 999999999, 32 },
|
|
{ 300000, 999999999, 999999999, 64 },
|
|
{ 300000, 999999999, 999999999, 128 },
|
|
|
|
/* Long running IDirectPlay8Peer instance and session. */
|
|
{ 3600000, 999999999, 999999999, 2 },
|
|
|
|
/* Long running IDirectPlay8Peer instance, frequent session reconnects. */
|
|
{ 3600000, 999999999, 60000, 2 },
|
|
|
|
/* Frequently recreated IDirectPlay8Peer instance. */
|
|
{ 3600000, 60000, 999999999, 2 },
|
|
};
|
|
|
|
struct message_header {
|
|
int64_t timestamp_us;
|
|
int64_t msg_size_idx;
|
|
};
|
|
|
|
static int64_t pc_freq;
|
|
static int64_t now_ms();
|
|
static int64_t now_us();
|
|
|
|
static int64_t start_time;
|
|
static int64_t usage_time;
|
|
static IDirectPlay8Peer *instance;
|
|
static bool disconnected;
|
|
static const struct phase *phase;
|
|
|
|
static std::atomic<uint64_t> msg_num_complete;
|
|
static std::atomic<uint64_t> msg_total_send_us;
|
|
static std::atomic<uint64_t> msg_total_rtt_us;
|
|
static std::atomic<uint64_t> msg_total_recv_bytes;
|
|
static std::atomic<int64_t> msg_stats_start;
|
|
|
|
static HRESULT CALLBACK callback(PVOID pvUserContext, DWORD dwMessageType, PVOID pMessage);
|
|
static void print_stats();
|
|
static void timed_fprintf(FILE *fh, const char *fmt, ...);
|
|
|
|
#define timed_printf(...) timed_fprintf(stdout, __VA_ARGS__)
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
{
|
|
LARGE_INTEGER li;
|
|
QueryPerformanceFrequency(&li);
|
|
pc_freq = li.QuadPart;
|
|
}
|
|
|
|
HRESULT res = CoInitialize(NULL);
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "CoInitialize failed with HRESULT %08x", (unsigned)(res));
|
|
return 1;
|
|
}
|
|
|
|
start_time = now_ms();
|
|
msg_num_complete = 0;
|
|
|
|
for(int i = 0; i < (sizeof(PHASES) / sizeof(*PHASES)); ++i)
|
|
{
|
|
phase = &(PHASES[i]);
|
|
|
|
int64_t phase_end_ms = now_ms() + phase->phase_duration_ms;
|
|
|
|
while(now_ms() < phase_end_ms)
|
|
{
|
|
timed_printf("Constructing DirectPlay8Peer instance...");
|
|
|
|
res = CoCreateInstance(CLSID_DirectPlay8Peer, NULL, CLSCTX_INPROC_SERVER, IID_IDirectPlay8Peer, (void**)(&instance));
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "Failed to construct DirectPlay8Peer instance (HRESULT %08x)", (unsigned)(res));
|
|
return 1;
|
|
}
|
|
|
|
int64_t construct_time = now_ms();
|
|
int64_t destruct_time = construct_time + phase->reconstruct_interval_ms;
|
|
|
|
while(now_ms() < destruct_time && now_ms() < phase_end_ms)
|
|
{
|
|
timed_printf("Initialising DirectPlay8Peer instance...");
|
|
|
|
disconnected = false;
|
|
msg_num_complete = 0;
|
|
msg_total_send_us = 0;
|
|
msg_total_rtt_us = 0;
|
|
msg_total_recv_bytes = 0;
|
|
|
|
int64_t initialise_time = now_ms();
|
|
int64_t close_time = now_ms() + phase->reinitialise_interval_ms;
|
|
|
|
res = instance->Initialize(NULL, &callback, 0);
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Peer::Initialize failed with HRESULT %08x", (unsigned)(res));
|
|
return 1;
|
|
}
|
|
|
|
bool connected = false;
|
|
|
|
while(!disconnected && now_ms() < close_time && now_ms() < destruct_time && now_ms() < phase_end_ms)
|
|
{
|
|
if(!connected)
|
|
{
|
|
timed_printf("Enumerating sessions...");
|
|
|
|
DPN_APPLICATION_DESC app_desc;
|
|
memset(&app_desc, 0, sizeof(app_desc));
|
|
|
|
app_desc.dwSize = sizeof(app_desc);
|
|
app_desc.guidApplication = APP_GUID;
|
|
|
|
IDirectPlay8Address *enum_address;
|
|
res = CoCreateInstance(CLSID_DirectPlay8Address, NULL, CLSCTX_INPROC_SERVER, IID_IDirectPlay8Address, (void**)(&enum_address));
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "Failed to construct DirectPlay8Address instance (HRESULT %08x)", (unsigned)(res));
|
|
return 1;
|
|
}
|
|
|
|
res = enum_address->SetSP(&CLSID_DP8SP_TCPIP);
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Address::SetSP failed with HRESULT %08x", (unsigned)(res));
|
|
return 1;
|
|
}
|
|
|
|
IDirectPlay8Address *connect_address = NULL;
|
|
|
|
res = instance->EnumHosts(&app_desc, NULL, enum_address, NULL, 0, 0, 0, 0, &connect_address, NULL, DPNENUMHOSTS_SYNC);
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Peer::EnumHosts failed with HRESULT %08x", (unsigned)(res));
|
|
return 1;
|
|
}
|
|
|
|
enum_address->Release();
|
|
|
|
if(connect_address == NULL)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
timed_printf("Connecting to session...");
|
|
|
|
res = instance->Connect(
|
|
&app_desc, /* pdnAppDesc */
|
|
connect_address, /* pHostAddr */
|
|
NULL, /* pDeviceInfo */
|
|
NULL, /* pdnSecurity */
|
|
NULL, /* pdnCredentials */
|
|
NULL, /* pvUserConnectData */
|
|
0, /* dwUserConnectDataSize */
|
|
(void*)(0xAAAA), /* pvPlayerContext */
|
|
NULL, /* pvAsyncContext */
|
|
NULL, /* phAsyncHandle */
|
|
DPNCONNECT_SYNC); /* dwFlags */
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Peer::Connect failed with HRESULT %08x", (unsigned)(res));
|
|
continue;
|
|
}
|
|
|
|
connected = true;
|
|
msg_stats_start = now_ms();
|
|
|
|
connect_address->Release();
|
|
}
|
|
|
|
int64_t sleep_until = std::min({ usage_time, close_time, destruct_time, phase_end_ms });
|
|
int64_t sleep_for = sleep_until - now_ms();
|
|
|
|
if(sleep_for > 0)
|
|
{
|
|
Sleep(sleep_for);
|
|
}
|
|
|
|
if(now_ms() >= usage_time)
|
|
{
|
|
print_stats();
|
|
}
|
|
}
|
|
|
|
timed_printf("Closing DirectPlay8Peer instance...");
|
|
|
|
/* Alternate between hard/soft closes. */
|
|
|
|
static bool hard_close = false;
|
|
res = instance->Close(hard_close ? DPNCLOSE_IMMEDIATE : 0);
|
|
if(res != S_OK)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Peer::Close() failed with HRESULT %08x", (unsigned int)(res));
|
|
return 1;
|
|
}
|
|
|
|
hard_close = !hard_close;
|
|
}
|
|
|
|
timed_printf("Destroying DirectPlay8Peer instance...");
|
|
|
|
instance->Release();
|
|
instance = NULL;
|
|
}
|
|
}
|
|
|
|
CoUninitialize();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int64_t now_ms()
|
|
{
|
|
return now_us() / 1000;
|
|
}
|
|
|
|
static int64_t now_us()
|
|
{
|
|
LARGE_INTEGER ticks;
|
|
QueryPerformanceCounter(&ticks);
|
|
|
|
return ticks.QuadPart / (pc_freq / 1000000);
|
|
}
|
|
|
|
static HRESULT CALLBACK callback(PVOID pvUserContext, DWORD dwMessageType, PVOID pMessage)
|
|
{
|
|
/* Pool of int64_t values used to pass the start time of any asyncronous SendTo() operation
|
|
* back into the callback to time how long it took to complete.
|
|
*/
|
|
static const int SEND_BEGIN_SIZE = 1024;
|
|
static int64_t send_begin_buf[SEND_BEGIN_SIZE];
|
|
static std::atomic<unsigned> send_begin_idx;
|
|
|
|
switch(dwMessageType)
|
|
{
|
|
case DPN_MSGID_ENUM_HOSTS_RESPONSE:
|
|
{
|
|
DPNMSG_ENUM_HOSTS_RESPONSE *ehr = (DPNMSG_ENUM_HOSTS_RESPONSE*)(pMessage);
|
|
IDirectPlay8Address **connect_address = (IDirectPlay8Address**)(ehr->pvUserContext);
|
|
|
|
ehr->pAddressSender->AddRef();
|
|
*connect_address = ehr->pAddressSender;
|
|
|
|
break;
|
|
}
|
|
|
|
case DPN_MSGID_TERMINATE_SESSION:
|
|
{
|
|
timed_printf("Lost connection to session");
|
|
disconnected = true;
|
|
|
|
break;
|
|
}
|
|
|
|
case DPN_MSGID_CREATE_PLAYER:
|
|
{
|
|
DPNMSG_CREATE_PLAYER *cp = (DPNMSG_CREATE_PLAYER*)(pMessage);
|
|
|
|
if(cp->pvPlayerContext == (void*)(0xAAAA))
|
|
{
|
|
/* Ignore our own player. */
|
|
break;
|
|
}
|
|
|
|
timed_printf("New player ID: %u", (unsigned)(cp->dpnidPlayer));
|
|
|
|
for(int i = 0; i < phase->concurrent_messages; ++i)
|
|
{
|
|
int this_msg_size_idx = 0;
|
|
std::vector<unsigned char> buf(MESSAGE_SIZES[this_msg_size_idx]);
|
|
|
|
assert(buf.size() >= sizeof(struct message_header));
|
|
struct message_header *header = (struct message_header*)(buf.data());
|
|
|
|
int64_t now = now_us();
|
|
|
|
header->timestamp_us = now;
|
|
header->msg_size_idx = this_msg_size_idx;
|
|
|
|
DPN_BUFFER_DESC bd = { buf.size(), (BYTE*)(buf.data()) };
|
|
|
|
int64_t *now_p = &(send_begin_buf[++send_begin_idx % SEND_BEGIN_SIZE]);
|
|
*now_p = now;
|
|
|
|
DPNHANDLE s_handle;
|
|
HRESULT res = instance->SendTo(cp->dpnidPlayer, &bd, 1, 0, now_p, &s_handle, DPNSEND_GUARANTEED);
|
|
if(res != DPNSUCCESS_PENDING)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Peer::SendTo() failed with HRESULT %08x", (unsigned int)(res));
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case DPN_MSGID_DESTROY_PLAYER:
|
|
{
|
|
DPNMSG_DESTROY_PLAYER *dp = (DPNMSG_DESTROY_PLAYER*)(pMessage);
|
|
timed_printf("Destroyed player ID: %u", (unsigned)(dp->dpnidPlayer));
|
|
|
|
break;
|
|
}
|
|
|
|
case DPN_MSGID_SEND_COMPLETE:
|
|
{
|
|
DPNMSG_SEND_COMPLETE *sc = (DPNMSG_SEND_COMPLETE*)(pMessage);
|
|
|
|
int64_t now = now_us();
|
|
int64_t then = *(int64_t*)(sc->pvUserContext);
|
|
|
|
msg_total_send_us += now - then;
|
|
|
|
break;
|
|
}
|
|
|
|
case DPN_MSGID_RECEIVE:
|
|
{
|
|
DPNMSG_RECEIVE *r = (DPNMSG_RECEIVE*)(pMessage);
|
|
|
|
int64_t now = now_us();
|
|
|
|
assert(r->dwReceiveDataSize >= sizeof(struct message_header));
|
|
struct message_header *r_header = (struct message_header*)(r->pReceiveData);
|
|
|
|
int64_t rtt = now - r_header->timestamp_us;
|
|
assert(rtt >= 0);
|
|
|
|
msg_total_rtt_us += rtt;
|
|
msg_total_recv_bytes += r->dwReceiveDataSize;
|
|
++msg_num_complete;
|
|
|
|
{
|
|
int this_msg_size_idx = r_header->msg_size_idx + 1;
|
|
if(this_msg_size_idx >= sizeof(MESSAGE_SIZES) / sizeof(*MESSAGE_SIZES))
|
|
{
|
|
this_msg_size_idx = 0;
|
|
}
|
|
|
|
std::vector<unsigned char> buf(MESSAGE_SIZES[this_msg_size_idx]);
|
|
|
|
assert(buf.size() >= sizeof(struct message_header));
|
|
struct message_header *header = (struct message_header*)(buf.data());
|
|
|
|
int64_t now = now_us();
|
|
|
|
header->timestamp_us = now;
|
|
header->msg_size_idx = this_msg_size_idx;
|
|
|
|
DPN_BUFFER_DESC bd = { buf.size(), (BYTE*)(buf.data()) };
|
|
|
|
int64_t *now_p = &(send_begin_buf[++send_begin_idx % SEND_BEGIN_SIZE]);
|
|
*now_p = now;
|
|
|
|
DPNHANDLE s_handle;
|
|
HRESULT res = instance->SendTo(r->dpnidSender, &bd, 1, 0, now_p, &s_handle, DPNSEND_GUARANTEED);
|
|
if(res != DPNSUCCESS_PENDING)
|
|
{
|
|
timed_fprintf(stderr, "IDirectPlay8Peer::SendTo() failed with HRESULT %08x", (unsigned int)(res));
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static void print_stats()
|
|
{
|
|
PROCESS_MEMORY_COUNTERS_EX mc;
|
|
mc.cb = sizeof(mc);
|
|
|
|
GetProcessMemoryInfo(GetCurrentProcess(), (PROCESS_MEMORY_COUNTERS*)(&mc), sizeof(mc));
|
|
|
|
timed_printf("memory usage = %u KiB", (unsigned)(mc.PrivateUsage / 1024));
|
|
|
|
/* Take copies of the msg_XXX variables so another thread can't change them under us.
|
|
* Slight inaccuracies from the variables going out of sync as they are copied is fine, but
|
|
* we don't want any division by zero errors.
|
|
*/
|
|
|
|
uint64_t l_msg_num_complete = msg_num_complete;
|
|
uint64_t l_msg_total_send_us = msg_total_send_us;
|
|
uint64_t l_msg_total_rtt_us = msg_total_rtt_us;
|
|
uint64_t l_msg_total_recv_bytes = msg_total_recv_bytes;
|
|
int64_t l_msg_stats_start = msg_stats_start;
|
|
|
|
int stats_period_s = (now_ms() - l_msg_stats_start) / 1000;
|
|
|
|
if(l_msg_num_complete > 0 && stats_period_s > 0)
|
|
{
|
|
/* Reset the stats so they don't smooth out to be almost static over a long run. */
|
|
|
|
msg_num_complete = 0;
|
|
msg_total_send_us = 0;
|
|
msg_total_rtt_us = 0;
|
|
msg_total_recv_bytes = 0;
|
|
msg_stats_start = now_ms();
|
|
|
|
unsigned send_avg = l_msg_total_send_us / l_msg_num_complete;
|
|
unsigned rtt_avg = l_msg_total_rtt_us / l_msg_num_complete;
|
|
unsigned bps = l_msg_total_recv_bytes / stats_period_s;
|
|
|
|
timed_printf("concurrent = %d, msg/sec = %u, send us = %u, rtt us = %u, KiB/s = %u",
|
|
phase->concurrent_messages, (unsigned)(l_msg_num_complete / stats_period_s), send_avg, rtt_avg, (bps / 1024));
|
|
}
|
|
|
|
usage_time = now_ms() + STATS_INTERVAL;
|
|
}
|
|
|
|
static void timed_fprintf(FILE *fh, const char *fmt, ...)
|
|
{
|
|
static std::mutex lock;
|
|
std::unique_lock<std::mutex> l(lock);
|
|
|
|
int64_t now = now_ms();
|
|
fprintf(fh, "[T+%06u.%03us] ",
|
|
(unsigned)((now - start_time) / 1000),
|
|
(unsigned)((now - start_time) % 1000));
|
|
|
|
va_list argv;
|
|
va_start(argv, fmt);
|
|
vfprintf(fh, fmt, argv);
|
|
va_end(argv);
|
|
|
|
fprintf(fh, "\n");
|
|
}
|