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Merge pull request #2978 from HeatXD/netplay_connect_retries 

Netplay: MAX_CONNECT_RETRIES peer to host connection attempts.
This commit is contained in:
Connor McLaughlin 2023-05-16 17:49:16 +10:00 committed by GitHub
parent d5a3770663 d513b9d7ba
commit 4177560a6c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 5 deletions
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26
src/core/netplay.cpp
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@ -48,6 +48,7 @@ struct Input
// TODO: Might be a bit generous... should we move this to config?
static constexpr float MAX_CONNECT_TIME = 15.0f;
static constexpr float MAX_CLOSE_TIME = 3.0f;
static constexpr u32 MAX_CONNECT_RETRIES = 4;
static bool NpAdvFrameCb(void* ctx, int flags);
static bool NpSaveFrameCb(void* ctx, unsigned char** buffer, int* len, int* checksum, int frame);
@ -101,7 +102,7 @@ static void HandleDropPlayerMessage(s32 player_id, const ENetPacket* pkt);
static void HandleCloseSessionMessage(s32 player_id, const ENetPacket* pkt);
static void HandleChatMessage(s32 player_id, const ENetPacket* pkt);
// l = local, r = remote
// GGPO session.
static void CreateGGPOSession();
static void DestroyGGPOSession();
static bool Start(bool is_hosting, std::string nickname, const std::string& remote_addr, s32 port, s32 ldelay);
@ -146,6 +147,7 @@ struct Peer
GGPOPlayerHandle ggpo_handle;
};
static ENetHost* s_enet_host = nullptr;
static ENetAddress s_host_address;
static std::array<Peer, MAX_PLAYERS> s_peers;
static s32 s_host_player_id = 0;
static s32 s_player_id = 0;
@ -153,6 +155,7 @@ static s32 s_num_players = 0;
static u32 s_reset_cookie = 0;
static std::bitset<MAX_PLAYERS> s_reset_players;
static Common::Timer s_reset_start_time;
static Common::Timer s_last_host_connection_attempt;
/// GGPO
static std::string s_local_nickname;
@ -356,16 +359,15 @@ bool Netplay::Start(bool is_hosting, std::string nickname, const std::string& re
s_player_id = -1;
// Connect to host.
ENetAddress host_address;
host_address.port = static_cast<u16>(port);
if (enet_address_set_host(&host_address, remote_addr.c_str()) != 0)
s_host_address.port = static_cast<u16>(port);
if (enet_address_set_host(&s_host_address, remote_addr.c_str()) != 0)
{
Log_ErrorPrintf("Failed to parse host: '%s'", remote_addr.c_str());
return false;
}
s_peers[s_host_player_id].peer =
enet_host_connect(s_enet_host, &host_address, NUM_ENET_CHANNELS, static_cast<u32>(s_player_id));
enet_host_connect(s_enet_host, &s_host_address, NUM_ENET_CHANNELS, static_cast<u32>(s_player_id));
if (!s_peers[s_host_player_id].peer)
{
Log_ErrorPrintf("Failed to start connection to host.");
@ -375,6 +377,7 @@ bool Netplay::Start(bool is_hosting, std::string nickname, const std::string& re
// Wait until we're connected to the main host. They'll send us back state to load and a full player list.
s_state = SessionState::Connecting;
s_reset_start_time.Reset();
s_last_host_connection_attempt.Reset();
System::SetState(System::State::Paused);
return true;
}
@ -935,6 +938,19 @@ void Netplay::UpdateConnectingState()
return;
}
// MAX_CONNECT_RETRIES peer to host connection attempts
// dividing by MAX_CONNECT_RETRIES + 1 because the last attempt will never happen.
if (s_last_host_connection_attempt.GetTimeSeconds() >= MAX_CONNECT_TIME / (MAX_CONNECT_RETRIES + 1) &&
s_peers[s_host_player_id].peer->state != ENetPeerState::ENET_PEER_STATE_CONNECTED)
{
// we want to do this because the peer might have initiated a connection
// too early while the host was still setting up. this gives the connection MAX_CONNECT_RETRIES tries within
// MAX_CONNECT_TIME to establish the connection
enet_peer_reset(s_peers[s_host_player_id].peer);
enet_host_connect(s_enet_host, &s_host_address, NUM_ENET_CHANNELS, static_cast<u32>(s_player_id));
s_last_host_connection_attempt.Reset();
}
// still waiting for connection to host..
PollEnet(Common::Timer::GetCurrentValue() + Common::Timer::ConvertMillisecondsToValue(16));
Host::DisplayLoadingScreen("Connecting to host...");