134 lines
3.2 KiB
C++
134 lines
3.2 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_CLIENT_INTERNAL_HXX
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#define MPD_CLIENT_INTERNAL_HXX
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#include "check.h"
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#include "Client.hxx"
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#include "ClientMessage.hxx"
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#include "CommandListBuilder.hxx"
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#include "event/FullyBufferedSocket.hxx"
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#include "event/TimeoutMonitor.hxx"
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#include "command.h"
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#include <set>
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#include <string>
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#include <list>
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "client"
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enum {
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CLIENT_MAX_SUBSCRIPTIONS = 16,
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CLIENT_MAX_MESSAGES = 64,
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};
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struct Partition;
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class Client final : private FullyBufferedSocket, TimeoutMonitor {
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public:
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Partition &partition;
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struct playlist &playlist;
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struct player_control *player_control;
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unsigned permission;
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/** the uid of the client process, or -1 if unknown */
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int uid;
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CommandListBuilder cmd_list;
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unsigned int num; /* client number */
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/** is this client waiting for an "idle" response? */
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bool idle_waiting;
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/** idle flags pending on this client, to be sent as soon as
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the client enters "idle" */
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unsigned idle_flags;
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/** idle flags that the client wants to receive */
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unsigned idle_subscriptions;
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/**
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* A list of channel names this client is subscribed to.
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*/
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std::set<std::string> subscriptions;
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/**
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* The number of subscriptions in #subscriptions. Used to
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* limit the number of subscriptions.
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*/
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unsigned num_subscriptions;
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/**
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* A list of messages this client has received.
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*/
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std::list<ClientMessage> messages;
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Client(EventLoop &loop, Partition &partition,
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int fd, int uid, int num);
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bool IsConnected() const {
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return FullyBufferedSocket::IsDefined();
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}
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gcc_pure
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bool IsSubscribed(const char *channel_name) const {
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return subscriptions.find(channel_name) != subscriptions.end();
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}
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gcc_pure
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bool IsExpired() const {
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return !FullyBufferedSocket::IsDefined();
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}
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void Close();
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void SetExpired();
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using FullyBufferedSocket::Write;
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/**
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* Send "idle" response to this client.
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*/
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void IdleNotify();
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void IdleAdd(unsigned flags);
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bool IdleWait(unsigned flags);
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private:
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/* virtual methods from class BufferedSocket */
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virtual InputResult OnSocketInput(const void *data,
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size_t length) override;
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virtual void OnSocketError(GError *error) override;
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virtual void OnSocketClosed() override;
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/* virtual methods from class TimeoutMonitor */
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virtual void OnTimeout() override;
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};
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extern int client_timeout;
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extern size_t client_max_command_list_size;
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extern size_t client_max_output_buffer_size;
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enum command_return
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client_process_line(Client *client, char *line);
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#endif
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