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/*
* Copyright 2003-2019 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "TidalSessionManager.hxx"
#include "util/Domain.hxx"
#include "Log.hxx"
static constexpr Domain tidal_domain("tidal");
TidalSessionManager::TidalSessionManager(EventLoop &event_loop,
const char *_base_url, const char *_token,
const char *_username,
const char *_password)
:base_url(_base_url), token(_token),
username(_username), password(_password),
curl(event_loop),
defer_invoke_handlers(event_loop,
BIND_THIS_METHOD(InvokeHandlers))
{
}
TidalSessionManager::~TidalSessionManager() noexcept
{
assert(handlers.empty());
}
void
TidalSessionManager::AddLoginHandler(TidalSessionHandler &h) noexcept
{
const std::lock_guard<Mutex> protect(mutex);
assert(!h.is_linked());
const bool was_empty = handlers.empty();
handlers.push_front(h);
if (!was_empty || login_request)
return;
if (session.empty()) {
// TODO: throttle login attempts?
LogDebug(tidal_domain, "Sending login request");
std::string login_uri(base_url);
login_uri += "/login/username";
try {
TidalLoginHandler &handler = *this;
login_request =
std::make_unique<TidalLoginRequest>(*curl, base_url,
token,
username, password,
handler);
login_request->Start();
} catch (...) {
error = std::current_exception();
ScheduleInvokeHandlers();
return;
}
} else
ScheduleInvokeHandlers();
}
void
TidalSessionManager::OnTidalLoginSuccess(std::string _session) noexcept
{
FormatDebug(tidal_domain, "Login successful, session=%s", _session.c_str());
{
const std::lock_guard<Mutex> protect(mutex);
login_request.reset();
session = std::move(_session);
}
ScheduleInvokeHandlers();
}
void
TidalSessionManager::OnTidalLoginError(std::exception_ptr e) noexcept
{
{
const std::lock_guard<Mutex> protect(mutex);
login_request.reset();
error = e;
}
ScheduleInvokeHandlers();
}
void
TidalSessionManager::InvokeHandlers() noexcept
{
const std::lock_guard<Mutex> protect(mutex);
while (!handlers.empty()) {
auto &h = handlers.front();
handlers.pop_front();
const ScopeUnlock unlock(mutex);
h.OnTidalSession();
}
}
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