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-rw-r--r--src/Client.hxx187
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diff --git a/src/Client.hxx b/src/Client.hxx
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-/*
- * Copyright (C) 2003-2013 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.
- */
-
-#ifndef MPD_CLIENT_H
-#define MPD_CLIENT_H
-
-#include "check.h"
-#include "ClientMessage.hxx"
-#include "command/CommandListBuilder.hxx"
-#include "event/FullyBufferedSocket.hxx"
-#include "event/TimeoutMonitor.hxx"
-#include "Compiler.h"
-
-#include <set>
-#include <string>
-#include <list>
-
-#include <stddef.h>
-#include <stdarg.h>
-
-struct sockaddr;
-class EventLoop;
-struct Partition;
-
-class Client final : private FullyBufferedSocket, TimeoutMonitor {
-public:
- Partition &partition;
- struct playlist &playlist;
- struct PlayerControl &player_control;
-
- unsigned permission;
-
- /** the uid of the client process, or -1 if unknown */
- int uid;
-
- CommandListBuilder cmd_list;
-
- unsigned int num; /* client number */
-
- /** is this client waiting for an "idle" response? */
- bool idle_waiting;
-
- /** idle flags pending on this client, to be sent as soon as
- the client enters "idle" */
- unsigned idle_flags;
-
- /** idle flags that the client wants to receive */
- unsigned idle_subscriptions;
-
- /**
- * A list of channel names this client is subscribed to.
- */
- std::set<std::string> subscriptions;
-
- /**
- * The number of subscriptions in #subscriptions. Used to
- * limit the number of subscriptions.
- */
- unsigned num_subscriptions;
-
- /**
- * A list of messages this client has received.
- */
- std::list<ClientMessage> messages;
-
- Client(EventLoop &loop, Partition &partition,
- int fd, int uid, int num);
-
- bool IsConnected() const {
- return FullyBufferedSocket::IsDefined();
- }
-
- gcc_pure
- bool IsExpired() const {
- return !FullyBufferedSocket::IsDefined();
- }
-
- void Close();
- void SetExpired();
-
- using FullyBufferedSocket::Write;
-
- /**
- * returns the uid of the client process, or a negative value
- * if the uid is unknown
- */
- int GetUID() const {
- return uid;
- }
-
- /**
- * Is this client running on the same machine, connected with
- * a local (UNIX domain) socket?
- */
- bool IsLocal() const {
- return uid > 0;
- }
-
- unsigned GetPermission() const {
- return permission;
- }
-
- void SetPermission(unsigned _permission) {
- permission = _permission;
- }
-
- /**
- * Send "idle" response to this client.
- */
- void IdleNotify();
- void IdleAdd(unsigned flags);
- bool IdleWait(unsigned flags);
-
- enum class SubscribeResult {
- /** success */
- OK,
-
- /** invalid channel name */
- INVALID,
-
- /** already subscribed to this channel */
- ALREADY,
-
- /** too many subscriptions */
- FULL,
- };
-
- gcc_pure
- bool IsSubscribed(const char *channel_name) const {
- return subscriptions.find(channel_name) != subscriptions.end();
- }
-
- SubscribeResult Subscribe(const char *channel);
- bool Unsubscribe(const char *channel);
- void UnsubscribeAll();
- bool PushMessage(const ClientMessage &msg);
-
-private:
- /* virtual methods from class BufferedSocket */
- virtual InputResult OnSocketInput(void *data, size_t length) override;
- virtual void OnSocketError(Error &&error) override;
- virtual void OnSocketClosed() override;
-
- /* virtual methods from class TimeoutMonitor */
- virtual void OnTimeout() override;
-};
-
-void client_manager_init(void);
-
-void
-client_new(EventLoop &loop, Partition &partition,
- int fd, const struct sockaddr *sa, size_t sa_length, int uid);
-
-/**
- * Write a C string to the client.
- */
-void client_puts(Client &client, const char *s);
-
-/**
- * Write a printf-like formatted string to the client.
- */
-void client_vprintf(Client &client, const char *fmt, va_list args);
-
-/**
- * Write a printf-like formatted string to the client.
- */
-gcc_printf(2,3)
-void
-client_printf(Client &client, const char *fmt, ...);
-
-#endif