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/*******************************************************************************/
/* Copyright (C) 2010 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>
#include "Thread.H"
#include <list>
#include <stdlib.h>
#include <string.h>
namespace OSC
{
class OSC_Value
{
protected:
char _type;
float f;
double d;
int i;
const char *s;
public:
OSC_Value ( const OSC_Value &rhs )
{
_type = rhs._type;
f =rhs.f;
d = rhs.d;
i = rhs.i;
s = rhs.s;
}
OSC_Value ( )
{
_type = 0;
f = 0;
d = 0;
i = 0;
s = 0;
}
virtual ~OSC_Value ( ) { }
virtual char type ( void ) const { return _type; }
};
class OSC_Float : public OSC_Value
{
public:
float value ( void ) const { return f; }
OSC_Float ( float v )
{
_type = 'f';
f = v;
}
};
class OSC_Int : public OSC_Value
{
public:
int value ( void ) const { return i; }
OSC_Int ( int v )
{
_type = 'i';
i = v;
}
};
class OSC_String : public OSC_Value
{
public:
const char * value ( void ) const { return s; }
OSC_String ( const char *v )
{
_type = 's';
s = v;
}
};
struct Parameter_Limits
{
float min;
float max;
float default_value;
};
class Endpoint;
class Signal;
struct Peer
{
bool _scanning;
char *name;
lo_address addr;
std::list<Signal*> _signals;
};
typedef int (*signal_handler) ( float value, void *user_data );
class Signal
{
static int next_id;
public:
enum State {
Created = 0,
Removed = 1
};
enum Direction {
Input,
Output,
Bidirectional
};
private:
Endpoint *_endpoint;
Peer *_peer;
int _id;
char *_path;
char *_documentation;
float _value;
std::list<Signal*> _outgoing;
std::list<Signal*> _incoming;
Direction _direction;
signal_handler _handler;
void *_user_data;
Parameter_Limits _parameter_limits;
void (*_connection_state_callback)(OSC::Signal *, void*);
void *_connection_state_userdata;
public:
const char * peer_name ( void ) const {
return _peer->name;
}
Signal ( const char *path, Direction dir );
~Signal ( );
static Signal *get_peer_signal_by_id ( Peer *p, int signal_id );
int noutput_connections() { return _outgoing.size(); }
bool connected ( void ) const { return _outgoing.size() + _incoming.size(); }
char * get_output_connection_peer_name_and_path ( int n );
int id ( void ) const { return _id; }
Direction direction ( void ) const { return _direction; }
void parameter_limits ( float min, float max, float default_value )
{
_parameter_limits.min = min;
_parameter_limits.max = max;
_parameter_limits.default_value = default_value;
_value = default_value;
}
void connection_state_callback ( void(*_cb)(OSC::Signal *, void*), void *userdata)
{
_connection_state_callback = _cb;
_connection_state_userdata = userdata;
}
const Parameter_Limits& parameter_limits ( void ) const { return _parameter_limits; }
const char *path ( void ) const { return _path; }
void rename ( const char *name );
/* publishes value to targets */
void value ( float v );
/* get current value */
float value ( void ) const { return _value; }
bool is_connected_to ( const Signal *s ) const;
friend class Endpoint;
};
class Method
{
char *_path;
char *_typespec;
char *_documentation;
public:
const char *path ( void ) { return _path; }
const char *typespec ( void ) { return _typespec; }
Method ( );
~Method ( );
friend class Endpoint;
};
class Endpoint
{
Thread _thread;
// lo_server_thread _st;
lo_server _server;
std::list<Peer*> _peers;
std::list<Signal*> _signals;
std::list<Method*> _methods;
void (*_peer_scan_complete_callback)(void*);
void *_peer_scan_complete_userdata;
char *_name;
static void error_handler(int num, const char *msg, const char *path);
static int osc_reply ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_signal_lister ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_generic ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_handler ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_renamed ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_removed ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_created ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_disconnect ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_connect ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
static int osc_sig_hello ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
Peer * add_peer ( const char *name, const char *url );
void scan_peer ( const char *name, const char *url );
private:
static void *osc_thread ( void *arg );
void osc_thread ( void );
OSC::Signal *find_signal_by_id ( int id );
OSC::Signal *find_peer_signal_by_path ( Peer *p, const char *path );
OSC::Signal *find_peer_signal_by_id ( Peer *p, int id );
Peer *find_peer_by_name ( const char *name );
Peer *find_peer_by_address ( lo_address addr );
static bool address_matches ( lo_address addr1, lo_address addr2 );
static Signal *find_target_by_peer_address ( std::list<Signal*> *l, lo_address addr );
void del_signal ( Signal *signal );
void send_signal_rename_notifications( Signal *s );
void (*_peer_signal_notification_callback)( OSC::Signal *, OSC::Signal::State, void*);
void *_peer_signal_notification_userdata;
public:
void peer_signal_notification_callback ( void (*cb)(OSC::Signal *, OSC::Signal::State, void*), void *userdata )
{
_peer_signal_notification_callback = cb;
_peer_signal_notification_userdata = userdata;
}
// can be used to point back to owning object.
void *owner;
void list_peer_signals ( void *v );
int init ( int proto, const char *port = 0 );
Endpoint ( );
~Endpoint ( );
bool disconnect_signal ( OSC::Signal *s, OSC::Signal *d );
bool disconnect_signal ( OSC::Signal *s, const char *peer_name, const char *signal_path );
bool connect_signal ( OSC::Signal *s, OSC::Signal *d );
bool connect_signal ( OSC::Signal *s, const char *peer_name, const char *signal_path );
bool connect_signal ( OSC::Signal *s, const char *peer_name, int signal_id );
bool connect_signal ( OSC::Signal *s, const char *peer_and_path );
Signal * add_signal ( const char *path, Signal::Direction dir, float min, float max, float default_value, signal_handler handler, void *user_data );
Method *add_method ( const char *path, const char *typespec, lo_method_handler handler, void *user_data, const char *argument_description );
void del_method ( const char *path, const char *typespec );
void del_method ( Method* method );
void start ( void );
void stop ( void );
int port ( void ) const;
char * url ( void ) const;
void check ( void ) const;
void wait ( int timeout ) const;
void run ( void ) const;
void name ( const char *name ) { _name = strdup( name ); }
const char *name ( void ) { return _name; }
void hello ( const char *url );
void handle_hello ( const char *peer_name, const char *peer_url );
int send ( lo_address to, const char *path, std::list< OSC_Value > values );
/* overloads for common message formats */
int send ( lo_address to, const char *path );
int send ( lo_address to, const char *path, float v );
int send ( lo_address to, const char *path, double v );
int send ( lo_address to, const char *path, int v );
int send ( lo_address to, const char *path, long v );
int send ( lo_address to, const char *path, int v1, int v2 );
int send ( lo_address to, const char *path, int v1, float v2 );
int send ( lo_address to, const char *path, int v1, int v2, float v3 );
int send ( lo_address to, const char *path, const char *v );
int send ( lo_address to, const char *path, const char *v1, float v2 );
int send ( lo_address to, const char *path, const char *v1, int v2, int v3 );
int send ( lo_address to, const char *path, const char *v1, const char *v2 );
int send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3 );
int send ( lo_address to, const char *path, const char *v1, int v2, int v3, int v4 );
int send ( lo_address to, const char *path, const char *v1, const char *v2, int v3, int v4, int v5 );
int send ( lo_address to, const char *path, const char *v1, int v2 );
int send ( lo_address to, const char *path, int v1, const char *v2 );
int send ( lo_address to, const char *path, const char *v1, int v2, int v3, float v4 );
int send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3, int v4, int v5, int v6 );
int send ( lo_address to, const char *path, const char *v1, int v2, const char *v3 );
int send ( lo_address to, const char *path, int v1, const char *v2, const char *v3, const char *v4 );
int send ( lo_address to, const char *path, const char *v1, int v2, const char *v3, const char *v4, const char *v5 );
int send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3, const char *v4, const char *v5 );
int send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3, const char *v4 );
int send ( lo_address to, const char *path, lo_message msg );
int send ( lo_address to, const char *path, const char *v1, const char *v2, int v3, float v4, float v5, float v6 );
int send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3, int v4, float v5, float v6, float v7 );
void peer_scan_complete_callback ( void(*_cb)(void*), void *userdata)
{
_peer_scan_complete_callback = _cb;
_peer_scan_complete_userdata = userdata;
}
friend Signal::~Signal();
friend void Signal::rename ( const char *name );
};
}
/* helper macros for defining OSC handlers */
/* #define OSC_NAME( name ) osc_ ## name */
#define OSC_DMSG() DMESSAGE( "Got OSC message: %s", path );
// #define OSC_HANDLER( name ) static int OSC_NAME( name ) ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data )
/* #define OSC_REPLY_OK() ((OSC::Endpoint*)user_data)->send( lo_message_get_source( msg ), path, "ok" ) */
/* #define OSC_REPLY( value ) ((OSC::Endpoint*)user_data)->send( lo_message_get_source( msg ), path, value ) */
/* #define OSC_REPLY_ERR() ((OSC::Endpoint*)user_data)->send( lo_message_get_source( msg ), path, "err" ) */
/* #define OSC_ENDPOINT() ((OSC::Endpoint*)user_data) */
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