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pull in spectate class

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r2dliu 2020-11-28 20:31:30 -05:00
commit 99a801752b
8 changed files with 625 additions and 4 deletions
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124
Source/Core/Common/Base64.hpp Normal file
View file

@ -0,0 +1,124 @@
#ifndef _MACARON_BASE64_H_
#define _MACARON_BASE64_H_
/**
* The MIT License (MIT)
* Copyright (c) 2016 tomykaira
*
* 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 <string>
namespace base64 {
class Base64 {
public:
static std::string Encode(const std::string data) {
static constexpr char sEncodingTable[] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/'
};
size_t in_len = data.size();
size_t out_len = 4 * ((in_len + 2) / 3);
std::string ret(out_len, '\0');
size_t i;
char* p = const_cast<char*>(ret.c_str());
for (i = 0; i < in_len - 2; i += 3) {
*p++ = sEncodingTable[(data[i] >> 2) & 0x3F];
*p++ = sEncodingTable[((data[i] & 0x3) << 4) | ((int)(data[i + 1] & 0xF0) >> 4)];
*p++ = sEncodingTable[((data[i + 1] & 0xF) << 2) | ((int)(data[i + 2] & 0xC0) >> 6)];
*p++ = sEncodingTable[data[i + 2] & 0x3F];
}
if (i < in_len) {
*p++ = sEncodingTable[(data[i] >> 2) & 0x3F];
if (i == (in_len - 1)) {
*p++ = sEncodingTable[((data[i] & 0x3) << 4)];
*p++ = '=';
}
else {
*p++ = sEncodingTable[((data[i] & 0x3) << 4) | ((int)(data[i + 1] & 0xF0) >> 4)];
*p++ = sEncodingTable[((data[i + 1] & 0xF) << 2)];
}
*p++ = '=';
}
return ret;
}
static std::string Decode(const std::string& input, std::string& out) {
static constexpr unsigned char kDecodingTable[] = {
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
};
size_t in_len = input.size();
if (in_len % 4 != 0) return "Input data size is not a multiple of 4";
size_t out_len = in_len / 4 * 3;
if (input[in_len - 1] == '=') out_len--;
if (input[in_len - 2] == '=') out_len--;
out.resize(out_len);
for (size_t i = 0, j = 0; i < in_len;) {
uint32_t a = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
uint32_t b = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
uint32_t c = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
uint32_t d = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
uint32_t triple = (a << 3 * 6) + (b << 2 * 6) + (c << 1 * 6) + (d << 0 * 6);
if (j < out_len) out[j++] = (triple >> 2 * 8) & 0xFF;
if (j < out_len) out[j++] = (triple >> 1 * 8) & 0xFF;
if (j < out_len) out[j++] = (triple >> 0 * 8) & 0xFF;
}
return "";
}
};
}
#endif /* _MACARON_BASE64_H_ */

2
Source/Core/Common/Version.cpp
View file

@ -18,7 +18,7 @@ namespace Common
#define BUILD_TYPE_STR ""
#endif
#define SLIPPI_REV_STR "2.2.1"
#define SLIPPI_REV_STR "2.2.3"
const std::string scm_slippi_semver_str = SLIPPI_REV_STR;

4
Source/Core/Core/CMakeLists.txt
View file

@ -479,8 +479,8 @@ add_library(core
Slippi/SlippiReplayComm.h
Slippi/SlippiSavestate.cpp
Slippi/SlippiSavestate.h
Slippi/SlippiSpectate.cpp
Slippi/SlippiSpectate.h
Slippi/SlippiUser.cpp
Slippi/SlippiUser.h
)

3
Source/Core/Core/ConfigManager.h
View file

@ -147,6 +147,9 @@ struct SConfig
bool m_is_mios = false;
// Slippi
// enable Slippi Networking output
bool m_enableSpectator;
int m_spectator_local_port;
std::string m_strSlippiInput;
int m_slippiOnlineDelay = 2;
bool m_slippiEnableSeek = true;

20
Source/Core/Core/HW/EXI/EXI_DeviceSlippi.cpp
View file

@ -96,7 +96,6 @@ void appendHalfToBuffer(std::vector<u8>* buf, u16 word)
CEXISlippi::CEXISlippi()
{
INFO_LOG(SLIPPI, "EXI SLIPPI Constructor called.");
user = std::make_unique<SlippiUser>();
g_playbackStatus = std::make_unique<SlippiPlaybackStatus>();
matchmaking = std::make_unique<SlippiMatchmaking>(user.get());
@ -198,6 +197,9 @@ CEXISlippi::~CEXISlippi()
m_fileWriteThread.join();
}
SlippiSpectateServer::getInstance().write(&empty[0], 0);
SlippiSpectateServer::getInstance().endGame();
localSelections.Reset();
g_playbackStatus->resetPlayback();
@ -2125,6 +2127,14 @@ void CEXISlippi::DMAWrite(u32 _uAddr, u32 _uSize)
configureCommands(&memPtr[1], receiveCommandsLen);
writeToFileAsync(&memPtr[0], receiveCommandsLen + 1, "create");
bufLoc += receiveCommandsLen + 1;
// g_needInputForFrame = true;
SlippiSpectateServer::getInstance().startGame();
SlippiSpectateServer::getInstance().write(&memPtr[0], receiveCommandsLen + 1);
}
if (byte == CMD_MENU_FRAME)
{
SlippiSpectateServer::getInstance().write(&memPtr[0], _uSize);
}
INFO_LOG(EXPANSIONINTERFACE, "EXI SLIPPI DMAWrite: addr: 0x%08x size: %d, bufLoc:[%02x %02x %02x %02x %02x]",
@ -2146,6 +2156,8 @@ void CEXISlippi::DMAWrite(u32 _uAddr, u32 _uSize)
{
case CMD_RECEIVE_GAME_END:
writeToFileAsync(&memPtr[bufLoc], payloadLen + 1, "close");
SlippiSpectateServer::getInstance().write(&memPtr[bufLoc], payloadLen + 1);
SlippiSpectateServer::getInstance().endGame();
break;
case CMD_PREPARE_REPLAY:
// log.open("log.txt");
@ -2154,6 +2166,11 @@ void CEXISlippi::DMAWrite(u32 _uAddr, u32 _uSize)
case CMD_READ_FRAME:
prepareFrameData(&memPtr[bufLoc + 1]);
break;
case CMD_FRAME_BOOKEND:
// g_needInputForFrame = true;
writeToFileAsync(&memPtr[bufLoc], payloadLen + 1, "");
SlippiSpectateServer::getInstance().write(&memPtr[bufLoc], payloadLen + 1);
break;
case CMD_IS_STOCK_STEAL:
prepareIsStockSteal(&memPtr[bufLoc + 1]);
break;
@ -2208,6 +2225,7 @@ void CEXISlippi::DMAWrite(u32 _uAddr, u32 _uSize)
break;
default:
writeToFileAsync(&memPtr[bufLoc], payloadLen + 1, "");
SlippiSpectateServer::getInstance().write(&memPtr[bufLoc], payloadLen + 1);
break;
}

3
Source/Core/Core/HW/EXI/EXI_DeviceSlippi.h
View file

@ -16,6 +16,7 @@
#include "Core/Slippi/SlippiPlayback.h"
#include "Core/Slippi/SlippiReplayComm.h"
#include "Core/Slippi/SlippiSavestate.h"
#include "Core/Slippi/SlippiSpectate.h"
#include "Core/Slippi/SlippiUser.h"
#define ROLLBACK_MAX_FRAMES 7
@ -46,6 +47,8 @@ namespace ExpansionInterface
CMD_RECEIVE_GAME_INFO = 0x36,
CMD_RECEIVE_POST_FRAME_UPDATE = 0x38,
CMD_RECEIVE_GAME_END = 0x39,
CMD_FRAME_BOOKEND = 0x3C,
CMD_MENU_FRAME = 0x3E,
// Playback
CMD_PREPARE_REPLAY = 0x75,

367
Source/Core/Core/Slippi/SlippiSpectate.cpp Normal file
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@ -0,0 +1,367 @@
#include "SlippiSpectate.h"
#include "Common/Base64.hpp"
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/Version.h"
#include <Core/ConfigManager.h>
// Networking
#ifdef _WIN32
#include <share.h>
#include <ws2tcpip.h>
#else
#include <errno.h>
#endif
inline bool isSpectatorEnabled()
{
return SConfig::GetInstance().m_enableSpectator;
}
// CALLED FROM DOLPHIN MAIN THREAD
SlippiSpectateServer& SlippiSpectateServer::getInstance()
{
static SlippiSpectateServer instance;
return instance;
}
// CALLED FROM DOLPHIN MAIN THREAD
void SlippiSpectateServer::write(u8 *payload, u32 length)
{
if (isSpectatorEnabled()) {
std::string str_payload((char*)payload, length);
m_event_queue.Push(str_payload);
}
}
// CALLED FROM DOLPHIN MAIN THREAD
void SlippiSpectateServer::startGame()
{
if (isSpectatorEnabled())
{
m_event_queue.Push("START_GAME");
}
}
// CALLED FROM DOLPHIN MAIN THREAD
void SlippiSpectateServer::endGame()
{
if (isSpectatorEnabled())
{
m_event_queue.Push("END_GAME");
}
}
// CALLED FROM SERVER THREAD
void SlippiSpectateServer::writeEvents(u16 peer_id)
{
// Send menu events
if (!m_in_game && (m_sockets[peer_id]->m_menu_cursor != m_menu_cursor))
{
ENetPacket *packet = enet_packet_create(m_menu_event.data(), m_menu_event.length(), ENET_PACKET_FLAG_RELIABLE);
// Batch for sending
enet_peer_send(m_sockets[peer_id]->m_peer, 0, packet);
// Record for the peer that it was sent
m_sockets[peer_id]->m_menu_cursor = m_menu_cursor;
}
// Send game events
// Loop through each event that needs to be sent
// send all the events starting at their cursor
// If the client's cursor is beyond the end of the event buffer, then
// it's probably left over from an old game. (Or is invalid anyway)
// So reset it back to 0
if (m_sockets[peer_id]->m_cursor > m_event_buffer.size())
{
m_sockets[peer_id]->m_cursor = 0;
}
for (u64 i = m_sockets[peer_id]->m_cursor; i < m_event_buffer.size(); i++)
{
ENetPacket *packet =
enet_packet_create(m_event_buffer[i].data(), m_event_buffer[i].size(), ENET_PACKET_FLAG_RELIABLE);
// Batch for sending
enet_peer_send(m_sockets[peer_id]->m_peer, 0, packet);
m_sockets[peer_id]->m_cursor++;
}
}
// CALLED FROM SERVER THREAD
void SlippiSpectateServer::popEvents()
{
// Loop through the event queue and keep popping off events and handling them
while (!m_event_queue.Empty())
{
std::string event;
m_event_queue.Pop(event);
// These two are meta-events, used to signify the start/end of a game
// They are not sent over the wire
if (event == "END_GAME")
{
m_menu_cursor = 0;
if (m_event_buffer.size() > 0)
{
m_cursor_offset += m_event_buffer.size();
}
m_menu_event.clear();
m_in_game = false;
continue;
}
if (event == "START_GAME")
{
m_event_buffer.clear();
m_in_game = true;
continue;
}
// Make json wrapper for game event
json game_event;
// An SLP event with an empty payload is a quasi-event that signifies
// the unclean exit of a game. Send this out as its own event
// (Since you can't meaningfully concat it with other events)
if (event.empty())
{
game_event["payload"] = "";
game_event["type"] = "game_event";
m_event_buffer.push_back(game_event.dump());
continue;
}
if (!m_in_game)
{
game_event["payload"] = base64::Base64::Encode(event);
m_menu_cursor += 1;
game_event["type"] = "menu_event";
m_menu_event = game_event.dump();
continue;
}
u8 command = (u8)event[0];
m_event_concat = m_event_concat + event;
static std::unordered_map<u8, bool> sendEvents = {
{0x36, true}, // GAME_INIT
{0x3C, true}, // FRAME_END
{0x39, true}, // GAME_END
{0x10, true}, // SPLIT_MESSAGE
};
if (sendEvents.count(command))
{
u32 cursor = (u32)(m_event_buffer.size() + m_cursor_offset);
game_event["payload"] = base64::Base64::Encode(m_event_concat);
game_event["type"] = "game_event";
game_event["cursor"] = cursor;
game_event["next_cursor"] = cursor + 1;
m_event_buffer.push_back(game_event.dump());
m_event_concat = "";
}
}
}
// CALLED ONCE EVER, DOLPHIN MAIN THREAD
SlippiSpectateServer::SlippiSpectateServer()
{
if (isSpectatorEnabled())
{
m_in_game = false;
m_menu_cursor = 0;
// Spawn thread for socket listener
m_stop_socket_thread = false;
m_socketThread = std::thread(&SlippiSpectateServer::SlippicommSocketThread, this);
}
}
// CALLED FROM DOLPHIN MAIN THREAD
SlippiSpectateServer::~SlippiSpectateServer()
{
// The socket thread will be blocked waiting for input
// So to wake it up, let's connect to the socket!
m_stop_socket_thread = true;
if (m_socketThread.joinable())
{
m_socketThread.join();
}
}
// CALLED FROM SERVER THREAD
void SlippiSpectateServer::handleMessage(u8 *buffer, u32 length, u16 peer_id)
{
// Unpack the message
std::string message((char *)buffer, length);
json json_message = json::parse(message);
if (!json_message.is_discarded() && (json_message.find("type") != json_message.end()))
{
// Check what type of message this is
if (!json_message["type"].is_string())
{
return;
}
if (json_message["type"] == "connect_request")
{
// Get the requested cursor
if (json_message.find("cursor") == json_message.end())
{
return;
}
if (!json_message["cursor"].is_number_integer())
{
return;
}
u32 requested_cursor = json_message["cursor"];
u32 sent_cursor = 0;
// Set the user's cursor position
if (requested_cursor >= m_cursor_offset)
{
// If the requested cursor is past what events we even have, then just tell them to start over
if (requested_cursor > m_event_buffer.size() + m_cursor_offset)
{
m_sockets[peer_id]->m_cursor = 0;
}
// Requested cursor is in the middle of a live match, events that we have
else
{
m_sockets[peer_id]->m_cursor = requested_cursor - m_cursor_offset;
}
}
else
{
// The client requested a cursor that was too low. Bring them up to the present
m_sockets[peer_id]->m_cursor = 0;
}
sent_cursor = (u32)m_sockets[peer_id]->m_cursor + (u32)m_cursor_offset;
// If someone joins while at the menu, don't catch them up
// set their cursor to the end
if (!m_in_game)
{
m_sockets[peer_id]->m_cursor = m_event_buffer.size();
}
json reply;
reply["type"] = "connect_reply";
reply["nick"] = "Slippi Online";
reply["version"] = Common::scm_slippi_semver_str;
reply["cursor"] = sent_cursor;
std::string packet_buffer = reply.dump();
ENetPacket *packet =
enet_packet_create(packet_buffer.data(), (u32)packet_buffer.length(), ENET_PACKET_FLAG_RELIABLE);
// Batch for sending
enet_peer_send(m_sockets[peer_id]->m_peer, 0, packet);
// Put the client in the right in_game state
m_sockets[peer_id]->m_shook_hands = true;
}
}
}
void SlippiSpectateServer::SlippicommSocketThread(void)
{
if (enet_initialize() != 0)
{
WARN_LOG(SLIPPI, "An error occurred while initializing spectator server.");
return;
}
ENetAddress server_address = {0};
server_address.host = ENET_HOST_ANY;
server_address.port = SConfig::GetInstance().m_spectator_local_port;
// Create the spectator server
// This call can fail if the system is already listening on the specified port
// or for some period of time after it closes down. You basically have to just
// retry until the OS lets go of the port and we can claim it again
// This typically only takes a few seconds
ENetHost *server = enet_host_create(&server_address, MAX_CLIENTS, 2, 0, 0);
int tries = 0;
while (server == nullptr && tries < 20)
{
server = enet_host_create(&server_address, MAX_CLIENTS, 2, 0, 0);
tries += 1;
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
}
if (server == nullptr)
{
WARN_LOG(SLIPPI, "Could not create spectator server");
enet_deinitialize();
return;
}
// Main slippicomm server loop
while (1)
{
// If we're told to stop, then quit
if (m_stop_socket_thread)
{
enet_host_destroy(server);
enet_deinitialize();
return;
}
// Pop off any events in the queue
popEvents();
std::map<u16, std::shared_ptr<SlippiSocket>>::iterator it = m_sockets.begin();
for (; it != m_sockets.end(); it++)
{
if (it->second->m_shook_hands)
{
writeEvents(it->first);
}
}
ENetEvent event;
while (enet_host_service(server, &event, 1) > 0)
{
switch (event.type)
{
case ENET_EVENT_TYPE_CONNECT:
{
INFO_LOG(SLIPPI, "A new spectator connected from %x:%u.\n", event.peer->address.host,
event.peer->address.port);
std::shared_ptr<SlippiSocket> newSlippiSocket(new SlippiSocket());
newSlippiSocket->m_peer = event.peer;
m_sockets[event.peer->incomingPeerID] = newSlippiSocket;
break;
}
case ENET_EVENT_TYPE_RECEIVE:
{
handleMessage(event.packet->data, (u32)event.packet->dataLength, event.peer->incomingPeerID);
/* Clean up the packet now that we're done using it. */
enet_packet_destroy(event.packet);
break;
}
case ENET_EVENT_TYPE_DISCONNECT:
{
INFO_LOG(SLIPPI, "A spectator disconnected from %x:%u.\n", event.peer->address.host,
event.peer->address.port);
// Delete the item in the m_sockets map
m_sockets.erase(event.peer->incomingPeerID);
/* Reset the peer's client information. */
event.peer->data = NULL;
break;
}
default:
{
INFO_LOG(SLIPPI, "Spectator sent an unknown ENet event type");
break;
}
}
}
}
enet_host_destroy(server);
enet_deinitialize();
}

106
Source/Core/Core/Slippi/SlippiSpectate.h Normal file
View file

@ -0,0 +1,106 @@
#pragma once
#include <atomic>
#include <chrono>
#include <map>
#include <thread>
#include "Common/SPSCQueue.h"
#include "nlohmann/json.hpp"
#include <enet/enet.h>
using json = nlohmann::json;
// Sockets in windows are unsigned
#ifdef _WIN32
#include <winsock2.h>
#else
#include <arpa/inet.h>
#include <sys/select.h>
typedef int SOCKET;
#endif
#define MAX_CLIENTS 4
#define HANDSHAKE_MSG_BUF_SIZE 128
#define HANDSHAKE_TYPE 1
#define PAYLOAD_TYPE 2
#define KEEPALIVE_TYPE 3
#define MENU_TYPE 4
class SlippiSocket
{
public:
u64 m_cursor = 0; // Index of the last game event this client sent
u64 m_menu_cursor = 0; // The latest menu event that this socket has sent
bool m_shook_hands = false; // Has this client shaken hands yet?
ENetPeer* m_peer = NULL; // The ENet peer object for the socket
};
class SlippiSpectateServer
{
public:
// Singleton. Get an instance of the class here
// When SConfig::GetInstance().m_slippiNetworkingOutput is false, this
// instance exists and is callable, but does nothing
static SlippiSpectateServer& getInstance();
// Write the given game payload data to all listening sockets
void write(u8* payload, u32 length);
// Should be called each time a new game starts.
// This will clear out the old game event buffer and start a new one
void startGame();
// Clear the game event history buffer. Such as when a game ends.
// The slippi server keeps a history of events in a buffer. So that
// when a new client connects to the server mid-match, it can recieve all
// the game events that have happened so far. This buffer needs to be
// cleared when a match ends.
void endGame();
private:
// ACCESSED FROM BOTH DOLPHIN AND SERVER THREADS
// This is a lockless queue that bridges the gap between the main
// dolphin thread and the spectator server thread. The purpose here
// is to avoid blocking (even if just for a brief mutex) on the main
// dolphin thread.
Common::SPSCQueue<std::string> m_event_queue;
// Bool gets flipped by the destrctor to tell the server thread to shut down
// bools are probably atomic by default, but just for safety...
std::atomic<bool> m_stop_socket_thread;
// ONLY ACCESSED FROM SERVER THREAD
bool m_in_game;
std::map<u16, std::shared_ptr<SlippiSocket>> m_sockets;
std::string m_event_concat = "";
std::vector<std::string> m_event_buffer;
std::string m_menu_event;
// In order to emulate Wii behavior, the cursor position should be strictly
// increasing. But internally, we need to index arrays by the cursor value.
// To solve this, we keep an "offset" value that is added to all outgoing
// cursor positions to give the appearance like it's going up
u64 m_cursor_offset = 0;
// How many menu events have we sent so far? (Reset between matches)
// Is used to know when a client hasn't been sent a menu event
u64 m_menu_cursor;
std::thread m_socketThread;
SlippiSpectateServer() = default;
~SlippiSpectateServer() = default;
SlippiSpectateServer(SlippiSpectateServer const&) = delete;
SlippiSpectateServer& operator=(const SlippiSpectateServer&) = delete;
SlippiSpectateServer(SlippiSpectateServer&&) = delete;
SlippiSpectateServer& operator=(SlippiSpectateServer&&) = delete;
// FUNCTIONS CALLED ONLY FROM SERVER THREAD
// Server thread. Accepts new incoming connections and goes back to sleep
void SlippicommSocketThread(void);
// Handle an incoming message on a socket
void handleMessage(u8* buffer, u32 length, u16 peer_id);
// Catch up given socket to the latest events
// Does nothing if they're already caught up.
void writeEvents(u16 peer_id);
// Pop events
void popEvents();
};