source: roaraudio/plugins/roard/protocol-esound.c @ 2527:d805b3d6f2cb

Last change on this file since 2527:d805b3d6f2cb was 2527:d805b3d6f2cb, checked in by phi, 15 years ago

started with emul_esd_on_stream()

File size: 7.2 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 if ( client == -1 || cmd < ESD_PROTO_CONNECT || cmd > ESD_PROTO_MAX || vio == NULL )
76  return -1;
77
78 for (i = 0; (cur = &(g_emul_esd_commands[i]))->cmd != -1; i++) {
79  if ( cur->cmd == cmd ) {
80   if ( cur->datalen > 0 ) {
81    if ( (data = malloc(cur->datalen)) == NULL ) {
82     // we will do a protocol error in case we do not drop the client
83     clients_delete(client);
84     return -1;
85    }
86
87    if ( roar_vio_read(vio, data, cur->datalen) != cur->datalen ) {
88     free(data);
89     clients_delete(client);
90     return -1;
91    }
92   }
93
94   if ( cur->handler == NULL ) {
95    ROAR_WARN("emul_esd_exec_command(client=%i, cmd=%s(%i), vio=%p): client uses unimplemted command",
96               client, cur->name, cmd, vio
97             );
98    r = -1;
99   } else {
100    r = cur->handler(client, cur, data, vio);
101   }
102
103   if ( data != NULL )
104    free(data);
105
106   return r;
107  }
108 }
109
110 return -1;
111}
112
113int emul_esd_check_client(int client, struct roar_vio_calls * vio) {
114 struct roar_vio_calls calls;
115 _cmd_t cmd;
116
117 if ( client == -1 )
118  return -1;
119
120 if ( vio == NULL ) {
121  vio = &calls;
122  if ( roar_vio_open_fh(vio, clients_get_fh(client)) == -1 )
123   return -1;
124 }
125
126 if ( roar_vio_read(vio, &cmd, _INTSIZE) != _INTSIZE ) {
127  // really bad protocol error
128  clients_delete(client);
129  return -1;
130 }
131
132 return emul_esd_exec_command(client, cmd, vio);
133}
134
135// porto lib:
136int emul_esd_int_read      (int client, int * data, struct roar_vio_calls * vio) {
137 _cmd_t d;
138
139 if ( data == NULL )
140  return -1;
141
142 if ( roar_vio_read(vio, &d, _INTSIZE) != _INTSIZE )
143  return -1;
144
145 *data = d;
146
147 return 0;
148}
149
150int emul_esd_int_write     (int client, int   data, struct roar_vio_calls * vio) {
151 _cmd_t d = data;
152
153 return roar_vio_write(vio, &d, _INTSIZE) == _INTSIZE ? 0 : -1;
154}
155
156int emul_esd_test_auth     (int client, void * data, struct roar_vio_calls * vio) {
157 // accept all clients for the moment.
158 return emul_esd_int_write(client, 1, vio);
159}
160
161int emul_esd_test_byteorder(int client, void * data) {
162 // TODO: do a real test
163 return 0;
164}
165
166// handler:
167int emul_esd_on_connect    (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
168 if ( client == -1 || data == NULL || vio == NULL )
169  return -1;
170
171 if ( emul_esd_test_auth(client, data, vio) == -1 )
172  return -1;
173
174 if ( emul_esd_test_byteorder(client, data+ESD_KEY_LEN) == -1 )
175  return -1;
176
177 return 0;
178}
179
180int emul_esd_on_stream     (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
181 struct roar_stream_server * ss;
182 struct roar_stream        *  s;
183 int stream;
184 int dir = -1;
185
186 if ( client == -1 || cmd == NULL || data == NULL || vio == NULL )
187  return -1;
188
189 switch (cmd->cmd) {
190  case ESD_PROTO_STREAM_PLAY: dir = ROAR_DIR_PLAY;    break;
191  case ESD_PROTO_STREAM_REC:  dir = ROAR_DIR_RECORD;  break;
192  case ESD_PROTO_STREAM_MON:  dir = ROAR_DIR_MONITOR; break;
193  case ESD_PROTO_STREAM_FILT: dir = ROAR_DIR_FILTER;  break;
194  default:
195    clients_delete(client);
196    return -1;
197 }
198
199 ROAR_DBG("emul_esd_on_stream(client=%i, ...): creating stream...", client);
200 if ((stream = streams_new()) == -1 ) {
201  clients_delete(client);
202  return -1;
203 }
204
205 ROAR_DBG("emul_esd_on_stream(client=%i, ...): getting stream...", client);
206 if ( streams_get(stream, &ss) == -1 ) {
207  streams_delete(stream);
208  clients_delete(client);
209  return -1;
210 }
211
212 s = ROAR_STREAM(ss);
213
214 ROAR_DBG("emul_esd_on_stream(client=%i, ...): set client of stream...", client);
215 if ( client_stream_add(client, stream) == -1 ) {
216  streams_delete(stream);
217  clients_delete(client);
218  return -1;
219 }
220
221 ss->codec_orgi = s->info.codec;
222
223 if ( streams_set_dir(stream, dir, 1) == -1 ) {
224  clients_delete(client);
225  return -1;
226 }
227
228 if ( client_stream_exec(client, stream) == -1 ) {
229  clients_delete(client);
230  return -1;
231 }
232
233 return 0;
234}
235
236#endif
237#endif
238
239//ll
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