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authorJames Rowe <jroweboy@gmail.com>2018-01-12 03:21:20 +0100
committerJames Rowe <jroweboy@gmail.com>2018-01-13 03:11:03 +0100
commitebf9a784a9f7f4148a669dbb39e7cd50df779a14 (patch)
treed585685a1c0a34b903af1d086d62560bf56bb29f /src/network/room_member.cpp
parentconfig: Default CPU core to Unicorn. (diff)
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Diffstat (limited to '')
-rw-r--r--src/network/room_member.cpp490
1 files changed, 0 insertions, 490 deletions
diff --git a/src/network/room_member.cpp b/src/network/room_member.cpp
deleted file mode 100644
index f229ec6fd..000000000
--- a/src/network/room_member.cpp
+++ /dev/null
@@ -1,490 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <atomic>
-#include <list>
-#include <mutex>
-#include <set>
-#include <thread>
-#include "common/assert.h"
-#include "enet/enet.h"
-#include "network/packet.h"
-#include "network/room_member.h"
-
-namespace Network {
-
-constexpr u32 ConnectionTimeoutMs = 5000;
-
-class RoomMember::RoomMemberImpl {
-public:
- ENetHost* client = nullptr; ///< ENet network interface.
- ENetPeer* server = nullptr; ///< The server peer the client is connected to
-
- /// Information about the clients connected to the same room as us.
- MemberList member_information;
- /// Information about the room we're connected to.
- RoomInformation room_information;
-
- /// The current game name, id and version
- GameInfo current_game_info;
-
- std::atomic<State> state{State::Idle}; ///< Current state of the RoomMember.
- void SetState(const State new_state);
- bool IsConnected() const;
-
- std::string nickname; ///< The nickname of this member.
- MacAddress mac_address; ///< The mac_address of this member.
-
- std::mutex network_mutex; ///< Mutex that controls access to the `client` variable.
- /// Thread that receives and dispatches network packets
- std::unique_ptr<std::thread> loop_thread;
- std::mutex send_list_mutex; ///< Mutex that controls access to the `send_list` variable.
- std::list<Packet> send_list; ///< A list that stores all packets to send the async
-
- template <typename T>
- using CallbackSet = std::set<CallbackHandle<T>>;
- std::mutex callback_mutex; ///< The mutex used for handling callbacks
-
- class Callbacks {
- public:
- template <typename T>
- CallbackSet<T>& Get();
-
- private:
- CallbackSet<WifiPacket> callback_set_wifi_packet;
- CallbackSet<ChatEntry> callback_set_chat_messages;
- CallbackSet<RoomInformation> callback_set_room_information;
- CallbackSet<State> callback_set_state;
- };
- Callbacks callbacks; ///< All CallbackSets to all events
-
- void MemberLoop();
-
- void StartLoop();
-
- /**
- * Sends data to the room. It will be send on channel 0 with flag RELIABLE
- * @param packet The data to send
- */
- void Send(Packet&& packet);
-
- /**
- * Sends a request to the server, asking for permission to join a room with the specified
- * nickname and preferred mac.
- * @params nickname The desired nickname.
- * @params preferred_mac The preferred MAC address to use in the room, the NoPreferredMac tells
- * the server to assign one for us.
- */
- void SendJoinRequest(const std::string& nickname,
- const MacAddress& preferred_mac = NoPreferredMac);
-
- /**
- * Extracts a MAC Address from a received ENet packet.
- * @param event The ENet event that was received.
- */
- void HandleJoinPacket(const ENetEvent* event);
- /**
- * Extracts RoomInformation and MemberInformation from a received RakNet packet.
- * @param event The ENet event that was received.
- */
- void HandleRoomInformationPacket(const ENetEvent* event);
-
- /**
- * Extracts a WifiPacket from a received ENet packet.
- * @param event The ENet event that was received.
- */
- void HandleWifiPackets(const ENetEvent* event);
-
- /**
- * Extracts a chat entry from a received ENet packet and adds it to the chat queue.
- * @param event The ENet event that was received.
- */
- void HandleChatPacket(const ENetEvent* event);
-
- /**
- * Disconnects the RoomMember from the Room
- */
- void Disconnect();
-
- template <typename T>
- void Invoke(const T& data);
-
- template <typename T>
- CallbackHandle<T> Bind(std::function<void(const T&)> callback);
-};
-
-// RoomMemberImpl
-void RoomMember::RoomMemberImpl::SetState(const State new_state) {
- if (state != new_state) {
- state = new_state;
- Invoke<State>(state);
- }
-}
-
-bool RoomMember::RoomMemberImpl::IsConnected() const {
- return state == State::Joining || state == State::Joined;
-}
-
-void RoomMember::RoomMemberImpl::MemberLoop() {
- // Receive packets while the connection is open
- while (IsConnected()) {
- std::lock_guard<std::mutex> lock(network_mutex);
- ENetEvent event;
- if (enet_host_service(client, &event, 100) > 0) {
- switch (event.type) {
- case ENET_EVENT_TYPE_RECEIVE:
- switch (event.packet->data[0]) {
- case IdWifiPacket:
- HandleWifiPackets(&event);
- break;
- case IdChatMessage:
- HandleChatPacket(&event);
- break;
- case IdRoomInformation:
- HandleRoomInformationPacket(&event);
- break;
- case IdJoinSuccess:
- // The join request was successful, we are now in the room.
- // If we joined successfully, there must be at least one client in the room: us.
- ASSERT_MSG(member_information.size() > 0,
- "We have not yet received member information.");
- HandleJoinPacket(&event); // Get the MAC Address for the client
- SetState(State::Joined);
- break;
- case IdNameCollision:
- SetState(State::NameCollision);
- break;
- case IdMacCollision:
- SetState(State::MacCollision);
- break;
- case IdVersionMismatch:
- SetState(State::WrongVersion);
- break;
- case IdCloseRoom:
- SetState(State::LostConnection);
- break;
- }
- enet_packet_destroy(event.packet);
- break;
- case ENET_EVENT_TYPE_DISCONNECT:
- SetState(State::LostConnection);
- break;
- }
- }
- {
- std::lock_guard<std::mutex> lock(send_list_mutex);
- for (const auto& packet : send_list) {
- ENetPacket* enetPacket = enet_packet_create(packet.GetData(), packet.GetDataSize(),
- ENET_PACKET_FLAG_RELIABLE);
- enet_peer_send(server, 0, enetPacket);
- }
- enet_host_flush(client);
- send_list.clear();
- }
- }
- Disconnect();
-};
-
-void RoomMember::RoomMemberImpl::StartLoop() {
- loop_thread = std::make_unique<std::thread>(&RoomMember::RoomMemberImpl::MemberLoop, this);
-}
-
-void RoomMember::RoomMemberImpl::Send(Packet&& packet) {
- std::lock_guard<std::mutex> lock(send_list_mutex);
- send_list.push_back(std::move(packet));
-}
-
-void RoomMember::RoomMemberImpl::SendJoinRequest(const std::string& nickname,
- const MacAddress& preferred_mac) {
- Packet packet;
- packet << static_cast<u8>(IdJoinRequest);
- packet << nickname;
- packet << preferred_mac;
- packet << network_version;
- Send(std::move(packet));
-}
-
-void RoomMember::RoomMemberImpl::HandleRoomInformationPacket(const ENetEvent* event) {
- Packet packet;
- packet.Append(event->packet->data, event->packet->dataLength);
-
- // Ignore the first byte, which is the message id.
- packet.IgnoreBytes(sizeof(u8)); // Igonore the message type
-
- RoomInformation info{};
- packet >> info.name;
- packet >> info.member_slots;
- room_information.name = info.name;
- room_information.member_slots = info.member_slots;
-
- u32 num_members;
- packet >> num_members;
- member_information.resize(num_members);
-
- for (auto& member : member_information) {
- packet >> member.nickname;
- packet >> member.mac_address;
- packet >> member.game_info.name;
- packet >> member.game_info.id;
- }
- Invoke(room_information);
-}
-
-void RoomMember::RoomMemberImpl::HandleJoinPacket(const ENetEvent* event) {
- Packet packet;
- packet.Append(event->packet->data, event->packet->dataLength);
-
- // Ignore the first byte, which is the message id.
- packet.IgnoreBytes(sizeof(u8)); // Igonore the message type
-
- // Parse the MAC Address from the packet
- packet >> mac_address;
- SetState(State::Joined);
-}
-
-void RoomMember::RoomMemberImpl::HandleWifiPackets(const ENetEvent* event) {
- WifiPacket wifi_packet{};
- Packet packet;
- packet.Append(event->packet->data, event->packet->dataLength);
-
- // Ignore the first byte, which is the message id.
- packet.IgnoreBytes(sizeof(u8)); // Igonore the message type
-
- // Parse the WifiPacket from the packet
- u8 frame_type;
- packet >> frame_type;
- WifiPacket::PacketType type = static_cast<WifiPacket::PacketType>(frame_type);
-
- wifi_packet.type = type;
- packet >> wifi_packet.channel;
- packet >> wifi_packet.transmitter_address;
- packet >> wifi_packet.destination_address;
-
- u32 data_length;
- packet >> data_length;
-
- packet >> wifi_packet.data;
-
- Invoke<WifiPacket>(wifi_packet);
-}
-
-void RoomMember::RoomMemberImpl::HandleChatPacket(const ENetEvent* event) {
- Packet packet;
- packet.Append(event->packet->data, event->packet->dataLength);
-
- // Ignore the first byte, which is the message id.
- packet.IgnoreBytes(sizeof(u8));
-
- ChatEntry chat_entry{};
- packet >> chat_entry.nickname;
- packet >> chat_entry.message;
- Invoke<ChatEntry>(chat_entry);
-}
-
-void RoomMember::RoomMemberImpl::Disconnect() {
- member_information.clear();
- room_information.member_slots = 0;
- room_information.name.clear();
-
- if (!server)
- return;
- enet_peer_disconnect(server, 0);
-
- ENetEvent event;
- while (enet_host_service(client, &event, ConnectionTimeoutMs) > 0) {
- switch (event.type) {
- case ENET_EVENT_TYPE_RECEIVE:
- enet_packet_destroy(event.packet); // Ignore all incoming data
- break;
- case ENET_EVENT_TYPE_DISCONNECT:
- server = nullptr;
- return;
- }
- }
- // didn't disconnect gracefully force disconnect
- enet_peer_reset(server);
- server = nullptr;
-}
-
-template <>
-RoomMember::RoomMemberImpl::CallbackSet<WifiPacket>& RoomMember::RoomMemberImpl::Callbacks::Get() {
- return callback_set_wifi_packet;
-}
-
-template <>
-RoomMember::RoomMemberImpl::CallbackSet<RoomMember::State>&
-RoomMember::RoomMemberImpl::Callbacks::Get() {
- return callback_set_state;
-}
-
-template <>
-RoomMember::RoomMemberImpl::CallbackSet<RoomInformation>&
-RoomMember::RoomMemberImpl::Callbacks::Get() {
- return callback_set_room_information;
-}
-
-template <>
-RoomMember::RoomMemberImpl::CallbackSet<ChatEntry>& RoomMember::RoomMemberImpl::Callbacks::Get() {
- return callback_set_chat_messages;
-}
-
-template <typename T>
-void RoomMember::RoomMemberImpl::Invoke(const T& data) {
- std::lock_guard<std::mutex> lock(callback_mutex);
- CallbackSet<T> callback_set = callbacks.Get<T>();
- for (auto const& callback : callback_set)
- (*callback)(data);
-}
-
-template <typename T>
-RoomMember::CallbackHandle<T> RoomMember::RoomMemberImpl::Bind(
- std::function<void(const T&)> callback) {
- std::lock_guard<std::mutex> lock(callback_mutex);
- CallbackHandle<T> handle;
- handle = std::make_shared<std::function<void(const T&)>>(callback);
- callbacks.Get<T>().insert(handle);
- return handle;
-}
-
-// RoomMember
-RoomMember::RoomMember() : room_member_impl{std::make_unique<RoomMemberImpl>()} {
- room_member_impl->client = enet_host_create(nullptr, 1, NumChannels, 0, 0);
- ASSERT_MSG(room_member_impl->client != nullptr, "Could not create client");
-}
-
-RoomMember::~RoomMember() {
- ASSERT_MSG(!IsConnected(), "RoomMember is being destroyed while connected");
- enet_host_destroy(room_member_impl->client);
-}
-
-RoomMember::State RoomMember::GetState() const {
- return room_member_impl->state;
-}
-
-const RoomMember::MemberList& RoomMember::GetMemberInformation() const {
- return room_member_impl->member_information;
-}
-
-const std::string& RoomMember::GetNickname() const {
- return room_member_impl->nickname;
-}
-
-const MacAddress& RoomMember::GetMacAddress() const {
- ASSERT_MSG(IsConnected(), "Tried to get MAC address while not connected");
- return room_member_impl->mac_address;
-}
-
-RoomInformation RoomMember::GetRoomInformation() const {
- return room_member_impl->room_information;
-}
-
-void RoomMember::Join(const std::string& nick, const char* server_addr, u16 server_port,
- u16 client_port, const MacAddress& preferred_mac) {
- // If the member is connected, kill the connection first
- if (room_member_impl->loop_thread && room_member_impl->loop_thread->joinable()) {
- room_member_impl->SetState(State::Error);
- room_member_impl->loop_thread->join();
- room_member_impl->loop_thread.reset();
- }
- // If the thread isn't running but the ptr still exists, reset it
- else if (room_member_impl->loop_thread) {
- room_member_impl->loop_thread.reset();
- }
-
- ENetAddress address{};
- enet_address_set_host(&address, server_addr);
- address.port = server_port;
- room_member_impl->server =
- enet_host_connect(room_member_impl->client, &address, NumChannels, 0);
-
- if (!room_member_impl->server) {
- room_member_impl->SetState(State::Error);
- return;
- }
-
- ENetEvent event{};
- int net = enet_host_service(room_member_impl->client, &event, ConnectionTimeoutMs);
- if (net > 0 && event.type == ENET_EVENT_TYPE_CONNECT) {
- room_member_impl->nickname = nick;
- room_member_impl->SetState(State::Joining);
- room_member_impl->StartLoop();
- room_member_impl->SendJoinRequest(nick, preferred_mac);
- SendGameInfo(room_member_impl->current_game_info);
- } else {
- room_member_impl->SetState(State::CouldNotConnect);
- }
-}
-
-bool RoomMember::IsConnected() const {
- return room_member_impl->IsConnected();
-}
-
-void RoomMember::SendWifiPacket(const WifiPacket& wifi_packet) {
- Packet packet;
- packet << static_cast<u8>(IdWifiPacket);
- packet << static_cast<u8>(wifi_packet.type);
- packet << wifi_packet.channel;
- packet << wifi_packet.transmitter_address;
- packet << wifi_packet.destination_address;
- packet << wifi_packet.data;
- room_member_impl->Send(std::move(packet));
-}
-
-void RoomMember::SendChatMessage(const std::string& message) {
- Packet packet;
- packet << static_cast<u8>(IdChatMessage);
- packet << message;
- room_member_impl->Send(std::move(packet));
-}
-
-void RoomMember::SendGameInfo(const GameInfo& game_info) {
- room_member_impl->current_game_info = game_info;
- if (!IsConnected())
- return;
-
- Packet packet;
- packet << static_cast<u8>(IdSetGameInfo);
- packet << game_info.name;
- packet << game_info.id;
- room_member_impl->Send(std::move(packet));
-}
-
-RoomMember::CallbackHandle<RoomMember::State> RoomMember::BindOnStateChanged(
- std::function<void(const RoomMember::State&)> callback) {
- return room_member_impl->Bind(callback);
-}
-
-RoomMember::CallbackHandle<WifiPacket> RoomMember::BindOnWifiPacketReceived(
- std::function<void(const WifiPacket&)> callback) {
- return room_member_impl->Bind(callback);
-}
-
-RoomMember::CallbackHandle<RoomInformation> RoomMember::BindOnRoomInformationChanged(
- std::function<void(const RoomInformation&)> callback) {
- return room_member_impl->Bind(callback);
-}
-
-RoomMember::CallbackHandle<ChatEntry> RoomMember::BindOnChatMessageRecieved(
- std::function<void(const ChatEntry&)> callback) {
- return room_member_impl->Bind(callback);
-}
-
-template <typename T>
-void RoomMember::Unbind(CallbackHandle<T> handle) {
- std::lock_guard<std::mutex> lock(room_member_impl->callback_mutex);
- room_member_impl->callbacks.Get<T>().erase(handle);
-}
-
-void RoomMember::Leave() {
- room_member_impl->SetState(State::Idle);
- room_member_impl->loop_thread->join();
- room_member_impl->loop_thread.reset();
-}
-
-template void RoomMember::Unbind(CallbackHandle<WifiPacket>);
-template void RoomMember::Unbind(CallbackHandle<RoomMember::State>);
-template void RoomMember::Unbind(CallbackHandle<RoomInformation>);
-template void RoomMember::Unbind(CallbackHandle<ChatEntry>);
-
-} // namespace Network