1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
|
/*************************************************************
*
* XMLRPC external for PD
*
* File: main.cpp
*
* Description: This is it all
*
* Author: Thomas Grill t.grill [at] gmx.net
*
# License LGPL see LICENSE.txt
# IEM - Institute of Electronic Music and Acoustics, Graz
# Inffeldgasse 10/3, 8010 Graz, Austria
# http://iem.at
#
# CHANGES:
# V 0.1.3b, LICENSES added, post error removed.
#
#************************************************************/
//! Version number of this external
#define __XMLRPC_VERSION "0.1.3b"
// prevent MSVC "extern" warning
#ifdef _MSC_VER
#pragma warning( disable : 4091 )
#endif
// necessary for a Sleep command
#ifdef WIN32
#include <windows.h>
#endif
// headers contained in the PD distribution
#include <m_pd.h>
#include <pthread.h>
// we are using the xmlrpc++ project (see http://sf.net/projects/xmlrpcpp )
#include <XmlRpc.h>
// include STL map class
#include <map>
#ifdef PD_DEVEL_VERSION
// here, the sys_lock and sys_unlock functions are defined
#undef USECLOCK
#else
#define USECLOCK
#endif
//! Convert XMLRPC values to PD atoms
static bool Val2Atom(XmlRpc::XmlRpcValue &val,t_atom &atom)
{
switch(val.getType()) {
case XmlRpc::XmlRpcValue::TypeBoolean: SETFLOAT(&atom,(int)val?0:1); break;
case XmlRpc::XmlRpcValue::TypeInt: SETFLOAT(&atom,(int)val); break;
case XmlRpc::XmlRpcValue::TypeDouble: SETFLOAT(&atom,(double)val); break;
case XmlRpc::XmlRpcValue::TypeString: SETSYMBOL(&atom,gensym((char *)((std::string &)val).c_str())); break;
default:
return false;
}
return true;
}
//! Convert PD atoms to XMLRPC values
static bool Atom2Val(const t_atom &atom,XmlRpc::XmlRpcValue &val)
{
switch(atom.a_type) {
case A_FLOAT: val = (double)atom_getfloat((t_atom *)&atom); break;
case A_SYMBOL: val = (std::string)(atom_getsymbol((t_atom *)&atom)->s_name);
default: return false;
}
return true;
}
//! proxy class holder
static t_class *px_class = NULL;
/*! \brief This is the proxy class receiving messages to a symbol
\note No virtual table here!
*/
class bind_proxy {
public:
//! Obligatory PD object structure
t_object obj;
//! this symbol
const t_symbol *sym;
//! mutex for value changes
pthread_mutex_t *mutex;
//! current value of bound sender
XmlRpc::XmlRpcValue value;
//! Initalize structure
void Init(const t_symbol *s,pthread_mutex_t *mtx)
{
sym = s; mutex = mtx;
value.clear();
}
/*! \brief PD method called when a bound symbol changes its value
\note This is called from PD system thread
*/
static void px_method(bind_proxy *obj,const t_symbol *s,int argc,const t_atom *argv);
};
void bind_proxy::px_method(bind_proxy *obj,const t_symbol *s,int argc,const t_atom *argv)
{
pthread_mutex_lock(obj->mutex);
obj->value.clear();
if(s == &s_float && argc == 1 && argv->a_type == A_FLOAT)
// float value
obj->value = (double)atom_getfloat((t_atom *)argv);
else if(argc == 0)
// symbol value
obj->value = (std::string)s->s_name;
else if(s == &s_symbol && argc == 1 && argv->a_type == A_SYMBOL)
// this is probably never called
obj->value = (std::string)atom_getsymbol((t_atom *)argv)->s_name;
else {
// anything or list
// look if header is "list" and don't propagate it to the atom list
int hdr = s == &s_list?0:1;
// set the parameters
obj->value.setSize(argc+hdr);
if(hdr) obj->value[0] = s->s_name;
for(int i = 0; i < argc; ++i) {
if(!Atom2Val(argv[i],obj->value[i+hdr]))
#ifdef _DEBUG
error("XMLRPC: Internal error - version %s, file %s, line %i",__XMLRPC_VERSION,__FILE__,__LINE__);
#else
{}
#endif
}
}
pthread_mutex_unlock(obj->mutex);
}
//! Type to map a symbol name to the associated proxy class
typedef std::map<std::string,bind_proxy *> ProxyMapper;
//! Our XMLRPC server
class RPCServer:
public XmlRpc::XmlRpcServer
{
public:
RPCServer(int port);
~RPCServer();
void Work() { work(-1.0); }
class Message
{
public:
enum Msg { load,close,send,bind,unbind,query };
Message(Msg m,XmlRpc::XmlRpcValue &val,XmlRpc::XmlRpcValue &res,pthread_mutex_t &mtx):
msg(m),value(val),result(res),mutex(mtx)
{
#ifdef USECLOCK
pthread_cond_init(&cond,NULL);
#endif
}
~Message()
{
#ifdef USECLOCK
pthread_cond_destroy(&cond);
#endif
}
#ifdef USECLOCK
void Signal()
{
pthread_cond_signal(&cond);
}
void Wait()
{
pthread_mutex_lock(&mutex);
pthread_cond_wait(&cond,&mutex);
pthread_mutex_unlock(&mutex);
}
pthread_cond_t cond;
#endif
pthread_mutex_t &mutex;
std::string err;
Msg msg;
XmlRpc::XmlRpcValue &value,&result;
};
std::list<Message *> msglist;
pthread_mutex_t qu_mutex,msg_mutex,px_mutex;
//! Add message to queue (thread-safe)
void MsgPush(Message *m);
//! Fetch message from queue (thread-safe)
Message *MsgPop();
//! loaded PD patch
t_pd *canvas;
//! bound symbols and their proxies
ProxyMapper objmap;
#ifdef USECLOCK
/*! \brief trigger message worker
\remark thread-safe!
*/
void Trigger() { clock_delay(clk,0); }
//! worker function
static void clk_worker(RPCServer *s) { s->MsgWorker(); }
//! worker function
void MsgWorker();
//! worker clock
t_clock *clk;
#endif
//! process message
void MsgProcess(Message &m);
void Methods(Message::Msg msg,XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
void Method_Load(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
void Method_Close(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
void Method_Bind(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
void Method_Unbind(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
void Method_Send(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
void Method_Query(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result);
};
RPCServer::RPCServer(int port):
canvas(NULL)
{
// Create the server socket on the specified port
bindAndListen(port);
// Enable introspection API
enableIntrospection(true);
// make mutex for message queue
pthread_mutex_init(&qu_mutex,NULL);
pthread_mutex_init(&msg_mutex,NULL);
pthread_mutex_init(&px_mutex,NULL);
#ifdef USECLOCK
// create worker clock
clk = clock_new(this,(t_method)clk_worker);
#endif
}
RPCServer::~RPCServer()
{
// delete message queue mutex
pthread_mutex_destroy(&qu_mutex);
pthread_mutex_destroy(&msg_mutex);
pthread_mutex_destroy(&px_mutex);
#ifdef USECLOCK
clock_free(clk);
#endif
}
void RPCServer::MsgPush(Message *m)
{
pthread_mutex_lock(&qu_mutex);
msglist.push_back(m);
pthread_mutex_unlock(&qu_mutex);
}
RPCServer::Message *RPCServer::MsgPop()
{
Message *m = NULL;
pthread_mutex_lock(&qu_mutex);
if(!msglist.empty()) {
// fetch reference from queue
m = msglist.front();
msglist.pop_front();
}
pthread_mutex_unlock(&qu_mutex);
return m;
}
//! process message
void RPCServer::MsgProcess(Message &m)
{
try {
// choose function
switch(m.msg) {
case Message::load: Method_Load(m.value,m.result); break;
case Message::close: Method_Close(m.value,m.result); break;
case Message::bind: Method_Bind(m.value,m.result); break;
case Message::unbind: Method_Unbind(m.value,m.result); break;
case Message::send: Method_Send(m.value,m.result); break;
}
}
// catch all exceptions as they can't propagate across threads
catch(const char *txt) {
m.err = txt;
}
catch(const std::string &txt) {
m.err = txt;
}
catch(const XmlRpc::XmlRpcException &exc) {
m.err = std::string("XMLRPC++ error: ")+exc.getMessage();
}
catch(...) {
m.err = "Undefined method error";
}
}
#ifdef USECLOCK
//! worker function
void RPCServer::MsgWorker()
{
for(;;) {
// fetch reference from queue
Message *m = MsgPop();
if(!m) break;
MsgProcess(*m);
// signal message to be finished
m->Signal();
}
}
#endif
//! dispatcher function
void RPCServer::Methods(Message::Msg msg,XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
switch(msg) {
// these can execute in the XMLRPC thread
case Message::query:
Method_Query(params,result); break;
// all others need to be executed in the PD thread
default: {
// make new message
Message *m = new Message(msg,params,result,msg_mutex);
#ifdef USECLOCK
// add to message queue
MsgPush(m);
// trigger PD clock
Trigger();
// wait for function to finish in PD system thread
m->Wait();
#else
// lock PD
sys_lock();
// process message
MsgProcess(*m);
// unlock PD
sys_unlock();
#endif
// save eventual error string
std::string err = m->err;
// delete message
delete m;
// if error string is non-null throw exception
if(err.length()) throw err;
}
}
}
/*! \brief "load" method
\param string-array XML data representing a PD patch
This method takes a string array containing the code of a PD patch to load.
*/
void RPCServer::Method_Load(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
XmlRpc::XmlRpcValue *parr;
if(params.getType() == XmlRpc::XmlRpcValue::TypeArray && params[0].getType() == XmlRpc::XmlRpcValue::TypeString)
parr = ¶ms;
else if(params.size() == 1 && params[0].getType() == XmlRpc::XmlRpcValue::TypeArray)
parr = ¶ms[0];
else
throw "Wrong syntax - should be 'load string-array'";
#ifndef _DEBUG
// stop dsp while the numerous objects are created
int dspstate = canvas_suspend_dsp();
#endif
// if there is already a canvas... trash it!
if(canvas) pd_free(canvas);
// a current directory must be set so that PD creates an environment for the new canvas
// see pd/src/g_canvas.c - function canvas_new "if (canvas_newdirectory->s_name[0])"
// if there would be no canvas environment PD would crash
glob_setfilename(NULL,gensym("IAEM"),gensym("."));
for(int i = 0; i < parr->size(); ++i) {
// here, an exception can happen if (*parr)[i] is not a string!
const std::string &str = (std::string &)(*parr)[i];
// allocate binbuf storage
t_binbuf *b = binbuf_new();
// create binbuf from the string
binbuf_text(b, (char *)str.c_str(), str.size());
// evaluate binbuf - create canvas, objects or whatever
binbuf_eval(b, 0, 0, 0);
// free storage
binbuf_free(b);
// here, it would be interesting if the object has been sucessfully created...
// we could use the following...
#if (PD_MINOR_VERSION >= 37) || defined(PD_DEVEL_VERSION)
// This pd_newest is currently only defined with PD veriosn >= 0.37 or in the
// CVS devel_0_36 branch on http://sf.net/projects/pure-data
// It is needed for knowing whether an object could be created or not
// However, it doesn't work for messages or comments for which pd_newest is not reset...
// Since the first statement is object a canvas, which (on success) sets pd_newest
// to non-null this should not be a problem for following msgs or comments.
t_pd *x = pd_newest();
if(!x) throw "Could not create object";
#endif
}
// clear current file and path
// this is done because it is done in g_canvas.c
glob_setfilename(NULL,&s_,&s_);
// now resume dsp
#ifndef _DEBUG
canvas_resume_dsp(dspstate);
#endif
// get the patch canvas
t_pd *x = s__X.s_thing;
if(x) {
// pop newly created canvas
pd_vmess(x, gensym("pop"), "i", 1);
// issue load bang
pd_vmess(x, gensym("loadbang"), "");
// save created canvas object
canvas = x;
}
else
throw "Canvas could not be created";
}
/*! \brief "close" method
The previously loaded PD patch (by "load method") is closed
*/
void RPCServer::Method_Close(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
if(params.valid() && params.size())
throw "Wrong syntax - method 'close' takes no parameters";
if(canvas) {
pd_free(canvas);
canvas = NULL;
}
else
throw "No open canvas";
}
/*! \brief "bind" method
\parameter symbol PD symbol to bind a callback to
\return Fault if symbol has already been bound
Registers a symbol for query or active feedback
*/
void RPCServer::Method_Bind(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
if(!params.valid() || params.size() != 1)
throw "Wrong syntax - should be 'bind symbol'";
// check type of params[0] before evaluating the rest
// this throws an exception if it's not a string
std::string &name = (std::string &)params[0];
// look for existing proxy object
ProxyMapper::iterator iter = objmap.find(name);
if(iter == objmap.end()) {
// new proxy object
bind_proxy *px = (bind_proxy *)pd_new(px_class);
px->Init(gensym((char *)name.c_str()),&px_mutex);
// bind symbol to object
pd_bind(&px->obj.ob_pd,(t_symbol *)px->sym);
// add to map
objmap[name] = px;
}
else
throw "The symbol is already bound";
}
/*! \brief "unbind" method
\parameter symbol Previously bound PD symbol
\return Fault if symbol is not found or has not been bound
Free a previously bound symbol from its callback
*/
void RPCServer::Method_Unbind(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
if(!params.valid() || params.size() != 1)
throw "Wrong syntax - should be 'unbind symbol'";
// check type of params[0] before evaluating the rest
// this throws an exception if it's not a string
std::string &name = (std::string &)params[0];
// look for existing proxy object
ProxyMapper::iterator iter = objmap.find(name);
if(iter != objmap.end()) {
// retrieve pointer to proxy from map
bind_proxy *px = iter->second;
// unbind and free proxy object
pd_unbind(&px->obj.ob_pd,gensym((char *)name.c_str()));
pd_free((t_pd *)&px->obj);
// remove from map
objmap.erase(iter);
}
else
throw "The symbol is not bound";
}
/*! \brief "send" method
\param symbol PD symbol to send data to
\param parameters Data values (translated to PD atoms)
Send data to a receiving symbol in PD
*/
void RPCServer::Method_Send(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
if(!params.valid() || params.size() < 2)
throw "Wrong syntax - should be 'send symbol parameters ...'";
// check type of params[0] before evaluating the rest
// this throws an exception if it's not a string
std::string &recv = (std::string &)params[0];
int offset = 1;
XmlRpc::XmlRpcValue *val = ¶ms;
// parameter 1 can also be an array (but no other parameters may follow!)
if(params.size() == 2 && params[1].getType() == XmlRpc::XmlRpcValue::TypeArray) {
offset = 0;
val = ¶ms[1];
}
t_symbol *sym = gensym((char *)recv.c_str());
int argc = val->size()-offset;
t_atom *args = new t_atom[argc];
// iterate through argument list
for(int i = offset; i < val->size(); ++i) {
if(!Val2Atom((*val)[i],args[i-offset]))
throw "Parameter type not handled";
}
#ifdef WIN32
// this is not very nice but I have no clue why sometimes this
// function hangs under windows. seems to be related to the
// pd function called and some mutex/thread issues
// remove this windows hack if it reveals why it blocks
Sleep(3);
#endif
// forward parameters to receiving symbol
if(sym && sym->s_thing)
pd_forwardmess(sym->s_thing,argc,args);
else
post("XMLRPC: receiver %s not found",recv.c_str());
delete[] args;
}
/*! \brief "query" method
\parameter symbol PD symbol to query
\return Value of sender symbol
Queries the current value of a PD symbol
*/
void RPCServer::Method_Query(XmlRpc::XmlRpcValue ¶ms, XmlRpc::XmlRpcValue &result)
{
if(!params.valid() || params.size() != 1)
throw "Wrong syntax - should be 'query symbol'";
// check type of params[0] before evaluating the rest
// this throws an exception if it's not a string
std::string &name = (std::string &)params[0];
// lock mutex to protect objmap
pthread_mutex_lock(&px_mutex);
// look for existing proxy object
ProxyMapper::iterator iter = objmap.find(name);
// initialize px to NULL (serves as a flag for error exception)
bind_proxy *px = NULL;
if(iter != objmap.end()) {
// retrieve pointer to proxy from map
px = iter->second;
// return current value stored in proxy
result = px->value;
}
pthread_mutex_unlock(&px_mutex);
// throw exception if px has not been set
if(!px) throw "Symbol not found";
}
//! Base class for all our XMLRPC methods
class RPCMethod:
public XmlRpc::XmlRpcServerMethod
{
public:
RPCMethod(const char *name,RPCServer *s,RPCServer::Message::Msg msg,const char *help):
XmlRpc::XmlRpcServerMethod(name,s),
srvmsg(msg),helptext(help)
{}
protected:
//! the actual worker function where all is done
virtual void worker(XmlRpc::XmlRpcValue& params, XmlRpc::XmlRpcValue& result)
{
getServer().Methods(srvmsg,params,result);
}
//! return help string
virtual std::string help() { return helptext; }
//! execute RPC method and handle exceptions
void execute(XmlRpc::XmlRpcValue& params, XmlRpc::XmlRpcValue& result)
{
try { worker(params,result); }
// the exceptions are mostly typed as strings
catch(const char *str) {
throw XmlRpc::XmlRpcException(str);
}
catch(const std::string &str) {
throw XmlRpc::XmlRpcException(str);
}
catch(const XmlRpc::XmlRpcException &exc) {
throw exc;
}
// treat others here generically and protect PD from crashing
catch(...) {
throw XmlRpc::XmlRpcException("Undefined error, please report");
}
}
//! get reference to RPC server
RPCServer &getServer() { return *(RPCServer *)_server; }
std::string helptext;
const RPCServer::Message::Msg srvmsg;
};
//! our XMLRPC server
static RPCServer *xmlrpc_server = NULL;
//! Thread function where our XMLRPC server runs
static void *xmlrpc_worker(void *)
{
#ifdef _DEBUG
// In debug mode display some messages
XmlRpc::setVerbosity(1);
if(!xmlrpc_server)
error("XMLRPC: Internal error - version %s, file %s, line %i",__XMLRPC_VERSION,__FILE__,__LINE__);
else
#endif
{
// Register all methods
RPCMethod meth_load("load",xmlrpc_server,RPCServer::Message::load,"Load a patch - Syntax: 'load string-array'");
RPCMethod meth_close("close",xmlrpc_server,RPCServer::Message::close,"Close the open patch");
RPCMethod meth_send("send",xmlrpc_server,RPCServer::Message::send,"Send a value to a symbol - Syntax:'send symbol parameters ...'");
RPCMethod meth_bind("bind",xmlrpc_server,RPCServer::Message::bind,"Bind a callback to a PD symbol - Syntax:'bind symbol'");
RPCMethod meth_unbind("unbind",xmlrpc_server,RPCServer::Message::unbind,"Unbind a callback from a PD symbol - Syntax:'unbind symbol'");
RPCMethod meth_query("query",xmlrpc_server,RPCServer::Message::query,"Query the value of PD symbol - Syntax:'query symbol'");
// Wait for requests indefinitely
xmlrpc_server->Work();
}
// This point is never reached
delete xmlrpc_server; xmlrpc_server = NULL;
return NULL;
}
//! xmlrpc class holder
static t_class *xmlrpc_class = NULL;
/*! \brief xmlrpc object creation function
This function launches the xmlrpc thread
*/
static t_object *xmlrpc_new(t_floatarg p)
{
t_object *ret = NULL;
if(xmlrpc_server)
post("XMLRPC: server has already been launched");
else {
if(p <= 0)
post("XMLRPC: port must be > 0");
else {
int port = (int)p;
// Initialize server
xmlrpc_server = new RPCServer(port);
// launch worker function
pthread_t id;
if(pthread_create(&id,NULL,xmlrpc_worker,xmlrpc_server)) {
error("XMLRPC thread could not be launched");
delete xmlrpc_server; xmlrpc_server = NULL;
}
else {
// success -> create object
ret = (t_object *)pd_new(xmlrpc_class);
post("XMLRPC: server is listening at port %i",port);
}
}
}
return ret;
}
/*! \brief Library setup routine
\note Must be exported from shared library
*/
extern "C"
#ifdef NT
__declspec(dllexport)
#endif
void xmlrpc_setup()
{
// post some message to the console
post("IEMXMLRPC, version " __XMLRPC_VERSION ", (C)2003 IEM Graz");
post("");
// register the proxy class for binding symbols
px_class = class_new(gensym("xmlrpc proxy"),NULL,NULL,sizeof(bind_proxy),CLASS_PD|CLASS_NOINLET, A_NULL);
// one method for all messages to proxy
class_addanything(px_class,bind_proxy::px_method);
// register the xmlrpc class
xmlrpc_class = class_new(gensym("xmlrpc"),(t_newmethod)xmlrpc_new,NULL,sizeof(t_object),CLASS_NOINLET, A_FLOAT,A_NULL);
}
|