mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-14 16:06:56 +00:00
128 lines
4.1 KiB
C++
128 lines
4.1 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stratosphere.hpp>
|
|
#include "dmnt2_transport_layer.hpp"
|
|
#include "dmnt2_transport_session.hpp"
|
|
#include "dmnt2_debug_log.hpp"
|
|
|
|
namespace ams::dmnt {
|
|
|
|
TransportSession::TransportSession(int fd) : m_socket(fd), m_valid(true) {
|
|
/* Create our thread. */
|
|
R_ABORT_UNLESS(os::CreateThread(std::addressof(m_receive_thread), ReceiveThreadEntry, this, m_receive_thread_stack, sizeof(m_receive_thread_stack), os::HighestThreadPriority - 1));
|
|
|
|
/* Start our thread. */
|
|
os::StartThread(std::addressof(m_receive_thread));
|
|
|
|
/* Note that we connected. */
|
|
AMS_DMNT2_GDB_LOG_INFO("Created Session %d\n", m_socket);
|
|
}
|
|
|
|
TransportSession::~TransportSession() {
|
|
/* Note that we connected. */
|
|
AMS_DMNT2_GDB_LOG_INFO("Closing Session %d\n", m_socket);
|
|
|
|
/* Invalidate our receive buffer. */
|
|
m_receive_buffer.Invalidate();
|
|
|
|
/* Shutdown our socket. */
|
|
transport::Shutdown(m_socket);
|
|
|
|
/* Wait for our thread. */
|
|
os::WaitThread(std::addressof(m_receive_thread));
|
|
os::DestroyThread(std::addressof(m_receive_thread));
|
|
|
|
/* Close our socket. */
|
|
transport::Close(m_socket);
|
|
}
|
|
|
|
bool TransportSession::WaitToBeReadable() {
|
|
return m_receive_buffer.WaitToBeReadable();
|
|
}
|
|
|
|
bool TransportSession::WaitToBeReadable(TimeSpan timeout) {
|
|
return m_receive_buffer.WaitToBeReadable(timeout);
|
|
}
|
|
|
|
util::optional<char> TransportSession::GetChar() {
|
|
/* Wait for us to have data. */
|
|
m_receive_buffer.WaitToBeReadable();
|
|
|
|
/* Get our data. */
|
|
char c;
|
|
if (m_receive_buffer.Read(std::addressof(c), sizeof(c)) > 0) {
|
|
return c;
|
|
} else {
|
|
return util::nullopt;
|
|
}
|
|
}
|
|
|
|
ssize_t TransportSession::PutChar(char c) {
|
|
/* Send the character. */
|
|
const auto sent = transport::Send(m_socket, std::addressof(c), sizeof(c), 0);
|
|
if (sent < 0) {
|
|
m_valid = false;
|
|
}
|
|
|
|
return sent;
|
|
}
|
|
|
|
ssize_t TransportSession::PutString(const char *str) {
|
|
/* Repeatedly send until all is sent. */
|
|
const size_t len = std::strlen(str);
|
|
|
|
size_t remaining = len;
|
|
while (remaining > 0) {
|
|
const auto sent = transport::Send(m_socket, str, remaining, 0);
|
|
if (sent >= 0) {
|
|
remaining -= sent;
|
|
str += sent;
|
|
} else {
|
|
m_valid = false;
|
|
return sent;
|
|
}
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
void TransportSession::ReceiveThreadFunction() {
|
|
/* Create temporary buffer. */
|
|
u8 buffer[TransportReceiveBuffer::ReceiveBufferSize];
|
|
|
|
/* Loop receiving data. */
|
|
while (true) {
|
|
/* Receive data. */
|
|
const auto res = transport::Recv(m_socket, buffer, sizeof(buffer), 0);
|
|
if (res > 0) {
|
|
/* Write the data to our buffer. */
|
|
m_receive_buffer.WaitToBeWritable();
|
|
m_receive_buffer.Write(buffer, res);
|
|
} else {
|
|
/* Otherwise, if we got an error other than "try again", we're done. */
|
|
if (!transport::IsLastErrorEAgain()) {
|
|
AMS_DMNT2_GDB_LOG_INFO("Session %d invalid, res=%ld, err=%d\n", m_socket, res, static_cast<int>(transport::GetLastError()));
|
|
m_valid = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Invalidate our receive buffer. */
|
|
m_receive_buffer.Invalidate();
|
|
}
|
|
|
|
}
|