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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_INTERNAL_HXX
+#define MPD_CLIENT_INTERNAL_HXX
+
+#include "check.h"
+#include "Client.hxx"
+#include "ClientMessage.hxx"
+#include "CommandListBuilder.hxx"
+#include "event/FullyBufferedSocket.hxx"
+#include "event/TimeoutMonitor.hxx"
+#include "command.h"
+
+#include <set>
+#include <string>
+#include <list>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "client"
+
+enum {
+ CLIENT_MAX_SUBSCRIPTIONS = 16,
+ CLIENT_MAX_MESSAGES = 64,
+};
+
+struct Partition;
+
+class Client final : private FullyBufferedSocket, TimeoutMonitor {
+public:
+ Partition &partition;
+ struct playlist &playlist;
+ struct player_control *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 IsSubscribed(const char *channel_name) const {
+ return subscriptions.find(channel_name) != subscriptions.end();
+ }
+
+ gcc_pure
+ bool IsExpired() const {
+ return !FullyBufferedSocket::IsDefined();
+ }
+
+ void Close();
+ void SetExpired();
+
+ using FullyBufferedSocket::Write;
+
+ /**
+ * Send "idle" response to this client.
+ */
+ void IdleNotify();
+ void IdleAdd(unsigned flags);
+ bool IdleWait(unsigned flags);
+
+private:
+ /* virtual methods from class BufferedSocket */
+ virtual InputResult OnSocketInput(const void *data,
+ size_t length) override;
+ virtual void OnSocketError(GError *error) override;
+ virtual void OnSocketClosed() override;
+
+ /* virtual methods from class TimeoutMonitor */
+ virtual bool OnTimeout() override;
+};
+
+extern int client_timeout;
+extern size_t client_max_command_list_size;
+extern size_t client_max_output_buffer_size;
+
+enum command_return
+client_process_line(Client *client, char *line);
+
+#endif