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
|
/*
Copyright (C) 2002 Antoine Rousseau
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "m_pd.h"
#include "s_stuff.h"
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#define BUFSIZE 4096
typedef struct popen
{
t_object x_obj;
FILE *x_file;
char x_data[BUFSIZE];
int x_count;
int x_ropened;
t_outlet *x_msgout;
} t_popen;
t_class *popen_class;
static t_binbuf *inbinbuf;
static void *popen_new(t_symbol *s, int argc, t_atom *argv)
{
t_popen *x;
x = (t_popen *)pd_new(popen_class);
x->x_file = NULL;
x->x_count=0;
x->x_msgout = outlet_new(&x->x_obj, &s_anything);
x->x_ropened=0;
return (x);
}
static void popen_close(t_popen *x)
{
if(x->x_ropened) {
sys_rmpollfn(fileno(x->x_file));
//fflush(x->x_file);
}
if(x->x_file) pclose(x->x_file);
x->x_file=0;
x->x_ropened=0;
}
static void popen_ff(t_popen *x)
{
}
static void popen_open(t_popen *x, t_symbol *s,int argc, t_atom *argv)
{
char cmd[512],*text;
int cmd_len;
t_binbuf *bb=binbuf_new();
popen_close(x);
//post("argc=%d",argc);
//post("argv[0]=%s",atom_getsymbol(&argv[0])->s_name);
binbuf_add(bb,argc,argv);
binbuf_gettext(bb, &text,&cmd_len);
binbuf_free(bb);
strncpy(cmd,text,cmd_len);
cmd[cmd_len]=0;
//post("cmd=%s",cmd);
x->x_file=popen(cmd,"w");
}
static void popen_list(t_popen *x, t_symbol *s,
int argc, t_atom *argv)
{
t_binbuf *bb;
char *buf;
int l;
if(!x->x_file) return;
bb=binbuf_new();
binbuf_add(bb,argc,argv);
//binbuf_print(bb);
binbuf_gettext(bb, &buf,&l);
buf[l]=0;
//printf("popen list: %s\n",buf);
fprintf(x->x_file,"%s\n",buf);fflush(x->x_file);
freebytes(buf,l);
binbuf_free(bb);
}
static void popen_out(t_popen *x, t_binbuf *b)
{
t_atom messbuf[1024];
int msg, natom = binbuf_getnatom(b);
t_atom *at = binbuf_getvec(b);
for (msg = 0; msg < natom;)
{
int emsg;
for (emsg = msg; emsg < natom && at[emsg].a_type != A_COMMA
&& at[emsg].a_type != A_SEMI; emsg++)
;
if (emsg > msg)
{
int i;
for (i = msg; i < emsg; i++)
if (at[i].a_type == A_DOLLAR || at[i].a_type == A_DOLLSYM)
{
pd_error(x, "popen: got dollar sign in message");
goto nodice;
}
if (at[msg].a_type == A_FLOAT)
{
if (emsg > msg + 1)
outlet_list(x->x_msgout, 0, emsg-msg, at + msg);
else outlet_float(x->x_msgout, at[msg].a_w.w_float);
}
else if (at[msg].a_type == A_SYMBOL)
outlet_anything(x->x_msgout, at[msg].a_w.w_symbol,
emsg-msg-1, at + msg + 1);
}
nodice:
msg = emsg + 1;
}
}
static void popen_read(t_popen *x,int fd)
{
int len,i=0;
unsigned char b;
unsigned char buffer[BUFSIZE];
if((len=read(fd,buffer,BUFSIZE))> 0){
for(i=0;i<len;i++){
if(x->x_count>=BUFSIZE) x->x_count=0;
x->x_data[x->x_count++]=buffer[i];
if(buffer[i]==';') {
binbuf_text(inbinbuf, x->x_data, x->x_count);
x->x_count=0;
popen_out(x,inbinbuf);
}
}
}
}
static void popen_ropen(t_popen *x, t_symbol *s,int argc, t_atom *argv)
{
char cmd[512],*text;
int cmd_len;
t_binbuf *bb=binbuf_new();
popen_close(x);
//post("argc=%d",argc);
//post("argv[0]=%s",atom_getsymbol(&argv[0])->s_name);
binbuf_add(bb,argc,argv);
binbuf_gettext(bb, &text,&cmd_len);
binbuf_free(bb);
strncpy(cmd,text,cmd_len);
cmd[cmd_len]=0;
//post("cmd=%s",cmd);
x->x_file=popen(cmd,"r");
sys_addpollfn(fileno(x->x_file),(t_fdpollfn)popen_read,(void*)x);
x->x_ropened=1;
}
void popen_setup(void )
{
inbinbuf = binbuf_new();
popen_class = class_new(gensym("popen"), (t_newmethod)popen_new,
(t_method)popen_close,sizeof(t_popen), 0, A_GIMME, 0);
class_addmethod(popen_class, (t_method)popen_close,
gensym("close"), 0);
class_addmethod(popen_class, (t_method)popen_open,
gensym("open"), A_GIMME, 0);
class_addmethod(popen_class, (t_method)popen_ropen,
gensym("ropen"), A_GIMME, 0);
class_addlist(popen_class, popen_list);
}
|
