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/*******************************************************************************/
/* Copyright (C) 2012 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
#include <lo/lo.h>
namespace NSM
{
class Client
{
private:
const char *nsm_url;
lo_server _server;
lo_server_thread _st;
lo_address nsm_addr;
bool nsm_is_active;
char *_nsm_client_id;
char *_session_manager_name;
char *_nsm_client_path;
public:
enum
{
ERR_OK = 0,
ERR_GENERAL = -1,
ERR_INCOMPATIBLE_API = -2,
ERR_BLACKLISTED = -3,
ERR_LAUNCH_FAILED = -4,
ERR_NO_SUCH_FILE = -5,
ERR_NO_SESSION_OPEN = -6,
ERR_UNSAVED_CHANGES = -7,
ERR_NOT_NOW = -8
};
Client ();
virtual ~Client ();
bool is_active (void) { return nsm_is_active; }
const char *session_manager_name (void) { return _session_manager_name; }
const char *client_id (void) { return _nsm_client_id; }
const char *client_path (void) { return _nsm_client_path; }
/* Client->Server methods */
void is_dirty (void);
void is_clean (void);
void progress (float f);
void message (int priority, const char *msg);
void announce (const char *appliction_name, const char *capabilities, const char *process_name);
void broadcast (lo_message msg);
/* init without threading */
int init (const char *nsm_url);
/* init with threading */
int init_thread (const char *nsm_url);
/* call this periodically to check for new messages */
void check (int timeout = 0);
/* or call these to start and stop a thread (must do your own locking in handler!) */
void start (void);
void stop (void);
protected:
/* Server->Client methods */
virtual int command_open (const char *name, const char *display_name, const char *client_id, char **out_msg) = 0;
virtual int command_save (char **out_msg) = 0;
virtual void command_active (bool) {}
virtual void command_session_is_loaded (void) {}
/* invoked when an unrecognized message is received. Should return 0 if you handled it, -1 otherwise. */
virtual int command_broadcast (const char *, lo_message) { return -1; }
private:
/* osc handlers */
static int osc_open (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
static int osc_save (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
static int osc_announce_reply (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
static int osc_error (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
static int osc_session_is_loaded (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
static int osc_broadcast (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
};
};
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