client: convert to C++

src/ClientInternal.hxx

@@ -0,0 +1,177 @@
+/*
+ * 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 "Client.hxx"
+#include "ClientMessage.hxx"
+#include "command.h"
+
+#include <glib.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "client"
+
+enum {
+	CLIENT_MAX_SUBSCRIPTIONS = 16,
+	CLIENT_MAX_MESSAGES = 64,
+};
+
+struct deferred_buffer {
+	size_t size;
+	char data[sizeof(long)];
+};
+
+struct client {
+	struct player_control *player_control;
+
+	GIOChannel *channel;
+	guint source_id;
+
+	/** the buffer for reading lines from the #channel */
+	struct fifo_buffer *input;
+
+	unsigned permission;
+
+	/** the uid of the client process, or -1 if unknown */
+	int uid;
+
+	/**
+	 * How long since the last activity from this client?
+	 */
+	GTimer *last_activity;
+
+	GSList *cmd_list;	/* for when in list mode */
+	int cmd_list_OK;	/* print OK after each command execution */
+	size_t cmd_list_size;	/* mem cmd_list consumes */
+	GQueue *deferred_send;	/* for output if client is slow */
+	size_t deferred_bytes;	/* mem deferred_send consumes */
+	unsigned int num;	/* client number */
+
+	char send_buf[16384];
+	size_t send_buf_used;	/* bytes used this instance */
+
+	/** 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.
+	 */
+	GSList *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 in reverse
+	 * order (latest first).
+	 */
+	GSList *messages;
+
+	/**
+	 * The number of messages in #messages.
+	 */
+	unsigned num_messages;
+};
+
+extern unsigned int client_max_connections;
+extern int client_timeout;
+extern size_t client_max_command_list_size;
+extern size_t client_max_output_buffer_size;
+
+bool
+client_list_is_empty(void);
+
+bool
+client_list_is_full(void);
+
+struct client *
+client_list_get_first(void);
+
+void
+client_list_add(struct client *client);
+
+void
+client_list_foreach(GFunc func, gpointer user_data);
+
+void
+client_list_remove(struct client *client);
+
+void
+client_close(struct client *client);
+
+static inline void
+new_cmd_list_ptr(struct client *client, const char *s)
+{
+	client->cmd_list = g_slist_prepend(client->cmd_list, g_strdup(s));
+}
+
+static inline void
+free_cmd_list(GSList *list)
+{
+	for (GSList *tmp = list; tmp != NULL; tmp = g_slist_next(tmp))
+		g_free(tmp->data);
+
+	g_slist_free(list);
+}
+
+void
+client_set_expired(struct client *client);
+
+/**
+ * Schedule an "expired" check for all clients: permanently delete
+ * clients which have been set "expired" with client_set_expired().
+ */
+void
+client_schedule_expire(void);
+
+/**
+ * Removes a scheduled "expired" check.
+ */
+void
+client_deinit_expire(void);
+
+enum command_return
+client_read(struct client *client);
+
+enum command_return
+client_process_line(struct client *client, char *line);
+
+void
+client_write_deferred(struct client *client);
+
+void
+client_write_output(struct client *client);
+
+gboolean
+client_in_event(GIOChannel *source, GIOCondition condition,
+		gpointer data);
+
+#endif