source: roaraudio/plugins/roard/protocol-esound.c @ 2531:d9dbe803879e

Last change on this file since 2531:d9dbe803879e was 2531:d9dbe803879e, checked in by phi, 15 years ago

support client names

File size: 9.0 KB
Line 
1//emul_esd.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 */
24
25#include "roard.h"
26
27#ifndef ROAR_WITHOUT_DCOMP_EMUL_ESD
28#ifdef ROAR_HAVE_ESD
29
30#if !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_MINIMAL)
31#define _NAME(x) (x)
32#else
33#define _NAME(x) ((char*)NULL)
34#endif
35
36#define _cmd_t   int
37#define _INTSIZE sizeof(_cmd_t)
38
39struct emul_esd_command g_emul_esd_commands[] = {
40 {ESD_PROTO_CONNECT,      ESD_KEY_LEN  +     _INTSIZE, _NAME("CONNECT"),      emul_esd_on_connect},
41 {ESD_PROTO_LOCK,         ESD_KEY_LEN  +     _INTSIZE, _NAME("LOCK"),         NULL},
42 {ESD_PROTO_UNLOCK,       ESD_KEY_LEN  +     _INTSIZE, _NAME("UNLOCK"),       NULL},
43 {ESD_PROTO_STREAM_PLAY,  ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_PLAY"),  emul_esd_on_stream},
44 {ESD_PROTO_STREAM_REC,   ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_REC"),   emul_esd_on_stream},
45 {ESD_PROTO_STREAM_MON,   ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_MON"),   emul_esd_on_stream},
46 {ESD_PROTO_SAMPLE_CACHE, ESD_NAME_MAX + 3 * _INTSIZE, _NAME("SAMPLE_CACHE"), NULL},
47 {ESD_PROTO_SAMPLE_FREE,                     _INTSIZE, _NAME("SAMPLE_FREE"),  NULL},
48 {ESD_PROTO_SAMPLE_PLAY,                     _INTSIZE, _NAME("SAMPLE_PLAY"),  NULL},
49 {ESD_PROTO_SAMPLE_LOOP,                     _INTSIZE, _NAME("SAMPLE_LOOP"),  NULL},
50 {ESD_PROTO_SAMPLE_STOP,                     _INTSIZE, _NAME("SAMPLE_STOP"),  NULL},
51 {ESD_PROTO_SAMPLE_KILL,  0                          , _NAME("SAMPLE_KILL"),  NULL},
52 {ESD_PROTO_STANDBY,      ESD_KEY_LEN +      _INTSIZE, _NAME("STANDBY"),      NULL},
53 {ESD_PROTO_RESUME,       ESD_KEY_LEN +      _INTSIZE, _NAME("RESUME"),       NULL},
54 {ESD_PROTO_SAMPLE_GETID, ESD_NAME_MAX               , _NAME("SAMPLE_GETID"), NULL},
55 {ESD_PROTO_STREAM_FILT,  ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_FILT"),  emul_esd_on_stream},
56 {ESD_PROTO_SERVER_INFO,                     _INTSIZE, _NAME("SERVER_INFO"),  NULL},
57 {ESD_PROTO_ALL_INFO,                        _INTSIZE, _NAME("ALL_INFO"),     NULL},
58 {ESD_PROTO_SUBSCRIBE,    0                          , _NAME("SUBSCRIBE"),    NULL},
59 {ESD_PROTO_UNSUBSCRIBE,  0                          , _NAME("UNSUBSCRIBE"),  NULL},
60 {ESD_PROTO_STREAM_PAN,                  3 * _INTSIZE, _NAME("STREAM_PAN"),   NULL},
61 {ESD_PROTO_SAMPLE_PAN,                  3 * _INTSIZE, _NAME("SAMPLE_PAN"),   NULL},
62 {ESD_PROTO_STANDBY_MODE,                    _INTSIZE, _NAME("STANDBY_MODE"), NULL},
63 {ESD_PROTO_LATENCY,      0                          , _NAME("LATENCY"),      NULL},
64 {ESD_PROTO_MAX,          0                          , _NAME("MAX"),          NULL},
65 {-1, 0, _NAME("END OF LIST"), NULL}
66};
67
68// command handling:
69int emul_esd_exec_command(int client, int cmd, struct roar_vio_calls * vio) {
70 struct emul_esd_command * cur;
71 void * data = NULL;
72 int r;
73 int i;
74
75 ROAR_DBG("emul_esd_exec_command(*) = ?");
76
77 if ( client == -1 || cmd < ESD_PROTO_CONNECT || cmd > ESD_PROTO_MAX || vio == NULL )
78  return -1;
79
80 ROAR_DBG("emul_esd_exec_command(*) = ?");
81
82 for (i = 0; (cur = &(g_emul_esd_commands[i]))->cmd != -1; i++) {
83  if ( cur->cmd == cmd ) {
84   if ( cur->datalen > 0 ) {
85    if ( (data = malloc(cur->datalen)) == NULL ) {
86     // we will do a protocol error in case we do not drop the client
87     clients_delete(client);
88     return -1;
89    }
90
91    if ( roar_vio_read(vio, data, cur->datalen) != cur->datalen ) {
92     free(data);
93     clients_delete(client);
94     return -1;
95    }
96   }
97
98   if ( cur->handler == NULL ) {
99    ROAR_WARN("emul_esd_exec_command(client=%i, cmd=%s(%i), vio=%p): client uses unimplemted command",
100               client, cur->name, cmd, vio
101             );
102    r = -1;
103   } else {
104    r = cur->handler(client, cur, data, vio);
105   }
106
107   if ( data != NULL )
108    free(data);
109
110   return r;
111  }
112 }
113
114 return -1;
115}
116
117int emul_esd_check_client(int client, struct roar_vio_calls * vio) {
118 struct roar_vio_calls calls;
119 _cmd_t cmd;
120
121 if ( client == -1 )
122  return -1;
123
124 if ( vio == NULL ) {
125  vio = &calls;
126  if ( roar_vio_open_fh(vio, clients_get_fh(client)) == -1 )
127   return -1;
128 }
129
130 if ( roar_vio_read(vio, &cmd, _INTSIZE) != _INTSIZE ) {
131  // really bad protocol error
132  clients_delete(client);
133  return -1;
134 }
135
136 return emul_esd_exec_command(client, cmd, vio);
137}
138
139// porto lib:
140int emul_esd_int_read_buf  (int client, int * data, void * buf) {
141 _cmd_t d;
142
143 if ( data == NULL || buf == NULL )
144  return -1;
145
146 d = *(_cmd_t*)buf;
147
148 *data = d;
149
150 return 0;
151}
152int emul_esd_int_read      (int client, int * data, struct roar_vio_calls * vio) {
153 _cmd_t d;
154
155 if ( data == NULL )
156  return -1;
157
158 if ( roar_vio_read(vio, &d, _INTSIZE) != _INTSIZE )
159  return -1;
160
161 *data = d;
162
163 return 0;
164}
165
166int emul_esd_int_write     (int client, int   data, struct roar_vio_calls * vio) {
167 _cmd_t d = data;
168
169 return roar_vio_write(vio, &d, _INTSIZE) == _INTSIZE ? 0 : -1;
170}
171
172int emul_esd_test_auth     (int client, void * data, struct roar_vio_calls * vio) {
173 // accept all clients for the moment.
174 return emul_esd_int_write(client, 1, vio);
175}
176
177int emul_esd_test_byteorder(int client, void * data) {
178 // TODO: do a real test
179 return 0;
180}
181
182// handler:
183int emul_esd_on_connect    (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
184
185 ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
186
187 if ( client == -1 || data == NULL || vio == NULL )
188  return -1;
189
190 ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
191
192 if ( emul_esd_test_auth(client, data, vio) == -1 )
193  return -1;
194
195 ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
196
197 if ( emul_esd_test_byteorder(client, data+ESD_KEY_LEN) == -1 )
198  return -1;
199
200 ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
201
202 return 0;
203}
204
205int emul_esd_on_stream     (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
206 struct roar_stream_server * ss;
207 struct roar_stream        *  s;
208 struct roar_client        *  c;
209 int stream;
210 int dir = -1;
211 int esdformat;
212 int rate;
213
214 if ( client == -1 || cmd == NULL || data == NULL || vio == NULL )
215  return -1;
216
217 switch (cmd->cmd) {
218  case ESD_PROTO_STREAM_PLAY: dir = ROAR_DIR_PLAY;    break;
219  case ESD_PROTO_STREAM_REC:  dir = ROAR_DIR_RECORD;  break;
220  case ESD_PROTO_STREAM_MON:  dir = ROAR_DIR_MONITOR; break;
221  case ESD_PROTO_STREAM_FILT: dir = ROAR_DIR_FILTER;  break;
222  default:
223    clients_delete(client);
224    return -1;
225 }
226
227 if ( clients_get(client, &c) == -1 ) {
228  return -1;
229 }
230
231 ROAR_DBG("emul_esd_on_stream(client=%i, ...): creating stream...", client);
232 if ((stream = streams_new()) == -1 ) {
233  clients_delete(client);
234  return -1;
235 }
236
237 ROAR_DBG("emul_esd_on_stream(client=%i, ...): getting stream...", client);
238 if ( streams_get(stream, &ss) == -1 ) {
239  streams_delete(stream);
240  clients_delete(client);
241  return -1;
242 }
243
244 s = ROAR_STREAM(ss);
245
246 ROAR_DBG("emul_esd_on_stream(client=%i, ...): set client of stream...", client);
247 if ( client_stream_add(client, stream) == -1 ) {
248  streams_delete(stream);
249  clients_delete(client);
250  return -1;
251 }
252
253 emul_esd_int_read_buf(client, &esdformat, data);
254 emul_esd_int_read_buf(client, &rate,      data+_INTSIZE);
255
256 strncpy(c->name, data + 2*_INTSIZE, ROAR_BUFFER_NAME > ESD_NAME_MAX ? ESD_NAME_MAX : ROAR_BUFFER_NAME);
257 c->name[ROAR_BUFFER_NAME-1] = 0;
258
259 ROAR_DBG("emul_esd_on_stream(*): esdformat=0x%.8X, rate=%i", esdformat, rate);
260
261 s->info.rate = rate;
262
263 switch (esdformat & ESD_MASK_BITS) {
264  case ESD_BITS8:  s->info.bits =  8; s->info.codec = ROAR_CODEC_PCM_U_LE; break;
265  case ESD_BITS16: s->info.bits = 16; s->info.codec = ROAR_CODEC_DEFAULT;  break;
266  default:
267    streams_delete(stream);
268    clients_delete(client);
269    return -1;
270 }
271
272 switch (esdformat & ESD_MASK_CHAN) {
273  case ESD_MONO:   s->info.channels = 1; break;
274  case ESD_STEREO: s->info.channels = 2; break;
275  default:
276    streams_delete(stream);
277    clients_delete(client);
278    return -1;
279 }
280
281 ss->codec_orgi = s->info.codec;
282
283 ROAR_DBG("emul_esd_on_stream(*): s->info = {.rate=%i, .bits=%i, .channels=%i, .codec=%i}", s->info.rate, s->info.bits, s->info.channels, s->info.codec);
284
285 if ( streams_set_dir(stream, dir, 1) == -1 ) {
286  clients_delete(client);
287  return -1;
288 }
289
290 if ( client_stream_exec(client, stream) == -1 ) {
291  clients_delete(client);
292  return -1;
293 }
294
295 return 0;
296}
297
298#endif
299#endif
300
301//ll
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