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Network: Made send async in RoomMember

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This commit is contained in:
B3n30 2017-07-14 09:20:39 +02:00
parent 859be35d54
commit a0626221a5
4 changed files with 70 additions and 25 deletions
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35
src/network/room.cpp
View file

@ -73,6 +73,11 @@ public:
*/
void SendMacCollision(ENetPeer* client);
/**
* Sends a ID_ROOM_VERSION_MISMATCH message telling the client that the MAC is invalid.
*/
void SendVersionMismatch(ENetPeer* client);
/**
* Notifies the member that its connection attempt was successful,
* and it is now part of the room.
@ -170,6 +175,9 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
MacAddress preferred_mac;
packet >> preferred_mac;
u32 client_version;
packet >> client_version;
if (!IsValidNickname(nickname)) {
SendNameCollision(event->peer);
return;
@ -186,6 +194,11 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
preferred_mac = GenerateMacAddress();
}
if (client_version != network_version) {
SendVersionMismatch(event->peer);
return;
}
// At this point the client is ready to be added to the room.
Member member{};
member.mac_address = preferred_mac;
@ -232,6 +245,17 @@ void Room::RoomImpl::SendMacCollision(ENetPeer* client) {
enet_host_flush(server);
}
void Room::RoomImpl::SendVersionMismatch(ENetPeer* client) {
Packet packet;
packet << static_cast<MessageID>(IdVersionMismatch);
packet << network_version;
ENetPacket* enet_packet =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(client, 0, enet_packet);
enet_host_flush(server);
}
void Room::RoomImpl::SendJoinSuccess(ENetPeer* client, MacAddress mac_address) {
Packet packet;
packet << static_cast<MessageID>(IdJoinSuccess);
@ -291,7 +315,7 @@ void Room::RoomImpl::HandleWifiPacket(const ENetEvent* event) {
if (destination_address == BroadcastMac) { // Send the data to everyone except the sender
for (const auto& member : members) {
if (member.peer != event->peer)
enet_peer_send(member.peer, 0, event->packet);
enet_peer_send(member.peer, 0, enet_packet);
}
} else { // Send the data only to the destination client
auto member = std::find_if(members.begin(), members.end(),
@ -327,9 +351,9 @@ void Room::RoomImpl::HandleChatPacket(const ENetEvent* event) {
ENetPacket* enet_packet = enet_packet_create(out_packet.GetData(), out_packet.GetDataSize(),
ENET_PACKET_FLAG_RELIABLE);
for (auto it = members.begin(); it != members.end(); ++it) {
if (it->peer != event->peer)
enet_peer_send(it->peer, 0, enet_packet);
for (const auto& member : members) {
if (member.peer != event->peer)
enet_peer_send(member.peer, 0, enet_packet);
}
enet_host_flush(server);
}
@ -369,6 +393,9 @@ Room::~Room() = default;
void Room::Create(const std::string& name, const std::string& server_address, u16 server_port) {
ENetAddress address;
address.host = ENET_HOST_ANY;
if (!server_address.empty()) {
enet_address_set_host(&address, server_address.c_str());
}
address.port = server_port;
room_impl->server = enet_host_create(&address, MaxConcurrentConnections, NumChannels, 0, 0);

6
src/network/room.h
View file

@ -11,6 +11,8 @@
namespace Network {
constexpr u32 network_version = 1; ///< The version of this Room and RoomMember
constexpr u16 DefaultRoomPort = 1234;
constexpr size_t NumChannels = 1; // Number of channels used for the connection
@ -37,7 +39,9 @@ enum RoomMessageTypes {
IdWifiPacket,
IdChatMessage,
IdNameCollision,
IdMacCollision
IdMacCollision,
IdVersionMismatch,
IdCloseRoom
};
/// This is what a server [person creating a server] would use.

53
src/network/room_member.cpp
View file

@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <atomic>
#include <list>
#include <mutex>
#include <thread>
#include "common/assert.h"
@ -33,8 +34,10 @@ public:
std::mutex network_mutex; ///< Mutex that controls access to the `client` variable.
/// Thread that receives and dispatches network packets
std::unique_ptr<std::thread> receive_thread;
void ReceiveLoop();
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
void MemberLoop();
void StartLoop();
/**
@ -91,7 +94,7 @@ bool RoomMember::RoomMemberImpl::IsConnected() const {
return state == State::Joining || state == State::Joined;
}
void RoomMember::RoomMemberImpl::ReceiveLoop() {
void RoomMember::RoomMemberImpl::MemberLoop() {
// Receive packets while the connection is open
while (IsConnected()) {
std::lock_guard<std::mutex> lock(network_mutex);
@ -121,6 +124,9 @@ void RoomMember::RoomMemberImpl::ReceiveLoop() {
case IdMacCollision:
SetState(State::MacCollision);
break;
case IdVersionMismatch:
SetState(State::WrongVersion);
break;
default:
break;
}
@ -128,22 +134,30 @@ void RoomMember::RoomMemberImpl::ReceiveLoop() {
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() {
receive_thread = std::make_unique<std::thread>(&RoomMember::RoomMemberImpl::ReceiveLoop, this);
loop_thread = std::make_unique<std::thread>(&RoomMember::RoomMemberImpl::MemberLoop, this);
}
void RoomMember::RoomMemberImpl::Send(Packet& packet) {
std::lock_guard<std::mutex> lock(network_mutex);
ENetPacket* enetPacket =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(server, 0, enetPacket);
enet_host_flush(client);
std::lock_guard<std::mutex> lock(send_list_mutex);
send_list.push_back(std::move(packet));
}
void RoomMember::RoomMemberImpl::SendJoinRequest(const std::string& nickname,
@ -152,6 +166,7 @@ void RoomMember::RoomMemberImpl::SendJoinRequest(const std::string& nickname,
packet << static_cast<MessageID>(IdJoinRequest);
packet << nickname;
packet << preferred_mac;
packet << network_version;
Send(packet);
}
@ -238,11 +253,9 @@ void RoomMember::RoomMemberImpl::Disconnect() {
room_information.member_slots = 0;
room_information.name.clear();
if (server) {
enet_peer_disconnect(server, 0);
} else {
if (!server)
return;
}
enet_peer_disconnect(server, 0);
ENetEvent event;
while (enet_host_service(client, &event, ConnectionTimeoutMs) > 0) {
@ -296,14 +309,14 @@ RoomInformation RoomMember::GetRoomInformation() const {
void RoomMember::Join(const std::string& nick, const char* server_addr, u16 server_port,
u16 client_port) {
// If the member is connected, kill the connection first
if (room_member_impl->receive_thread && room_member_impl->receive_thread->joinable()) {
if (room_member_impl->loop_thread && room_member_impl->loop_thread->joinable()) {
room_member_impl->SetState(State::Error);
room_member_impl->receive_thread->join();
room_member_impl->receive_thread.reset();
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->receive_thread) {
room_member_impl->receive_thread.reset();
else if (room_member_impl->loop_thread) {
room_member_impl->loop_thread.reset();
}
ENetAddress address{};
@ -361,8 +374,8 @@ void RoomMember::SendGameName(const std::string& game_name) {
void RoomMember::Leave() {
room_member_impl->SetState(State::Idle);
room_member_impl->receive_thread->join();
room_member_impl->receive_thread.reset();
room_member_impl->loop_thread->join();
room_member_impl->loop_thread.reset();
}
} // namespace Network

1
src/network/room_member.h
View file

@ -47,6 +47,7 @@ public:
// Reasons why connection was rejected
NameCollision, ///< Somebody is already using this name
MacCollision, ///< Somebody is already using that mac-address
WrongVersion, ///< The room version is not the same as for this RoomMember
CouldNotConnect ///< The room is not responding to a connection attempt
};