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Merge pull request #9550 from endrift/gba-flush

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SI/DeviceGBA: Ensure data socket isn't backed up
This commit is contained in:
Léo Lam 2021-03-05 10:38:55 +01:00 committed by GitHub
commit a4de2502c5
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 36 additions and 5 deletions
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38
Source/Core/Core/HW/SI/SI_DeviceGBA.cpp
View file

@ -253,7 +253,7 @@ void GBASockServer::Send(const u8* si_buffer)
Disconnect();
}
int GBASockServer::Receive(u8* si_buffer)
int GBASockServer::Receive(u8* si_buffer, u8 bytes)
{
if (!m_client)
return 0;
@ -267,8 +267,7 @@ int GBASockServer::Receive(u8* si_buffer)
size_t num_received = 0;
std::array<u8, RECV_MAX_SIZE> recv_data;
sf::Socket::Status recv_stat =
m_client->receive(recv_data.data(), recv_data.size(), num_received);
sf::Socket::Status recv_stat = m_client->receive(recv_data.data(), bytes, num_received);
if (recv_stat == sf::Socket::Disconnected)
{
Disconnect();
@ -286,6 +285,21 @@ int GBASockServer::Receive(u8* si_buffer)
return static_cast<int>(std::min(num_received, recv_data.size()));
}
void GBASockServer::Flush()
{
if (!m_client || !m_booted)
return;
size_t num_received = 1;
u8 byte;
while (num_received)
{
sf::Socket::Status recv_stat = m_client->receive(&byte, 1, num_received);
if (recv_stat == sf::Socket::Disconnected)
break;
}
}
CSIDevice_GBA::CSIDevice_GBA(SIDevices device, int device_number) : ISIDevice(device, device_number)
{
}
@ -329,7 +343,23 @@ int CSIDevice_GBA::RunBuffer(u8* buffer, int request_length)
case NextAction::ReceiveResponse:
{
int num_data_received = m_sock_server.Receive(buffer);
u8 bytes = 1;
switch (m_last_cmd)
{
case CMD_RESET:
case CMD_STATUS:
bytes = 3;
break;
case CMD_READ:
bytes = 5;
break;
default:
break;
}
int num_data_received = m_sock_server.Receive(buffer, bytes);
if (m_last_cmd == CMD_STATUS && num_data_received == 3)
m_sock_server.Flush();
m_next_action = NextAction::SendCommand;
if (num_data_received == 0)
{

3
Source/Core/Core/HW/SI/SI_DeviceGBA.h
View file

@ -28,7 +28,8 @@ public:
bool IsConnected();
void ClockSync();
void Send(const u8* si_buffer);
int Receive(u8* si_buffer);
int Receive(u8* si_buffer, u8 bytes);
void Flush();
private:
void Disconnect();