Files
rtorrent/src/scgi/thread_scgi.cc
T
2025-12-18 07:43:43 +09:00

144 lines
3.5 KiB
C++

#include "config.h"
#include "scgi/thread_scgi.h"
#include <fcntl.h>
#include <unistd.h>
#include <rak/path.h>
#include <torrent/exceptions.h>
#include <torrent/utils/log.h>
#include "rpc/scgi.h"
namespace scgi {
class ThreadScgiInternal {
public:
static ThreadScgi* thread_scgi() { return ThreadScgi::internal_thread_scgi(); }
};
ThreadScgi* ThreadScgi::m_thread_scgi{};
void
ThreadScgi::create_thread() {
auto thread = new ThreadScgi;
m_thread_scgi = thread;
m_thread_scgi->m_state = STATE_INITIALIZED;
}
void
ThreadScgi::destroy_thread() {
delete m_thread_scgi;
m_thread_scgi = nullptr;
}
ThreadScgi*
ThreadScgi::thread_scgi() {
return m_thread_scgi;
}
// TODO: Remove '= 0'.
void
ThreadScgi::init_thread() {
}
void
ThreadScgi::cleanup_thread() {
if (m_scgi != nullptr)
m_scgi.load()->deactivate();
}
rpc::SCgi*
ThreadScgi::scgi() {
return m_scgi;
}
bool
ThreadScgi::set_scgi(rpc::SCgi* scgi) {
rpc::SCgi* expected = nullptr;
if (!m_scgi.compare_exchange_strong(expected, scgi))
return false;
change_rpc_log();
callback(nullptr, [this]() {
if (m_scgi == NULL)
throw torrent::internal_error("Tried to start SCGI but object was not present.");
m_scgi.load()->activate();
});
return true;
}
void
ThreadScgi::set_rpc_log(const std::string& filename) {
callback(nullptr, [this, filename]() {
m_rpc_log_filename = filename;
change_rpc_log();
});
}
void
ThreadScgi::change_rpc_log() {
if (scgi() == NULL)
return;
if (scgi()->log_fd() != -1) {
::close(scgi()->log_fd());
scgi()->set_log_fd(-1);
lt_log_print(torrent::LOG_NOTICE, "Closed RPC log.", 0);
}
if (m_rpc_log_filename.empty())
return;
scgi()->set_log_fd(open(rak::path_expand(m_rpc_log_filename).c_str(), O_WRONLY | O_APPEND | O_CREAT, 0644));
if (scgi()->log_fd() == -1) {
lt_log_print(torrent::LOG_NOTICE, "Could not open RPC log file '%s'.", m_rpc_log_filename.c_str());
return;
}
lt_log_print(torrent::LOG_NOTICE, "Logging RPC events to '%s'.", m_rpc_log_filename.c_str());
}
void
ThreadScgi::call_events() {
if ((m_flags & flag_do_shutdown)) {
if ((m_flags & flag_did_shutdown))
throw torrent::internal_error("Already trigged shutdown.");
m_flags |= flag_did_shutdown;
throw torrent::shutdown_exception();
}
process_callbacks();
}
std::chrono::microseconds
ThreadScgi::next_timeout() {
// TODO: This leads to kqueue crash?
// return std::chrono::microseconds(1h);
return std::chrono::microseconds(10min);
}
} // namespace scgi
namespace scgi_thread {
torrent::utils::Thread* thread() { return scgi::ThreadScgiInternal::thread_scgi(); }
std::thread::id thread_id() { return scgi::ThreadScgiInternal::thread_scgi()->thread_id(); }
void callback(void* target, std::function<void ()>&& fn) { scgi::ThreadScgiInternal::thread_scgi()->callback(target, std::move(fn)); }
void cancel_callback(void* target) { scgi::ThreadScgiInternal::thread_scgi()->cancel_callback(target); }
void cancel_callback_and_wait(void* target) { scgi::ThreadScgiInternal::thread_scgi()->cancel_callback_and_wait(target); }
rpc::SCgi* scgi() { return scgi::ThreadScgiInternal::thread_scgi()->scgi(); }
void set_scgi(rpc::SCgi* scgi) { scgi::ThreadScgiInternal::thread_scgi()->set_scgi(scgi); }
void set_rpc_log(const std::string& filename) { scgi::ThreadScgiInternal::thread_scgi()->set_rpc_log(filename); }
} // namespace scgi_thread