Parent: [b0bef9] (diff)

Child: [4a44b1] (diff)

Download this file

ohradio.cxx    746 lines (683 with data), 24.3 kB

  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
/* Copyright (C) 2014 J.F.Dockes
* 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; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define LOGGER_LOCAL_LOGINC 3
#include "ohradio.hxx"
#include <stdlib.h>
#include <upnp/upnp.h>
#include <functional>
#include <iostream>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
#include <json/json.h>
#include "libupnpp/base64.hxx"
#include "libupnpp/log.hxx"
#include "libupnpp/soaphelp.hxx"
#include "libupnpp/upnpavutils.hxx"
#include "mpdcli.hxx"
#include "upmpd.hxx"
#include "smallut.h"
#include "pathut.h"
#include "upmpdutils.hxx"
#include "conftree.h"
#include "execmd.h"
#include "ohproduct.hxx"
#include "ohinfo.hxx"
#include "protocolinfo.hxx"
using namespace std;
using namespace std::placeholders;
static const string sTpProduct("urn:av-openhome-org:service:Radio:1");
static const string sIdProduct("urn:av-openhome-org:serviceId:Radio");
static string find_script(const string& icmd)
{
if (path_isabsolute(icmd))
return icmd;
// Append the radio scripts dir to the PATH. Put at the end so
// that the user can easily override a script by putting the
// modified version in the PATH env variable
const char *cp = getenv("PATH");
if (!cp) //??
cp = "";
string PATH(cp);
PATH = PATH + path_PATHsep() + path_cat(g_datadir, "radio_scripts");
string cmd;
if (ExecCmd::which(icmd, cmd, PATH.c_str())) {
return cmd;
} else {
// Let the shell try to find it...
return icmd;
}
}
struct RadioMeta {
RadioMeta(const string& t, const string& u, const string& au,
const string& as, const string& ms, const string& ps)
: title(t), uri(u), artUri(au), dynArtUri(au) {
if (!as.empty()) {
stringToStrings(as, artScript);
artScript[0] = find_script(artScript[0]);
}
if (!ms.empty()) {
stringToStrings(ms, metaScript);
metaScript[0] = find_script(metaScript[0]);
}
preferScript = stringToBool(ps);
}
string title;
// Static playlist URI (from config)
string uri;
// Script to retrieve current art
vector<string> artScript;
// Script to retrieve all metadata
vector<string> metaScript;
// Dynamic audio URI, fetched by the metadata script (overrides
// uri, which will normally be empty if the metascript is used for
// audio).
string currentAudioUri;
string artUri;
// Keep values from script over mpd's (from icy)
bool preferScript{true};
// Time after which we should re-fire the metadata script
time_t nextMetaScriptExecTime{0};
string dynArtUri;
string dynTitle;
string dynArtist;
};
static vector<RadioMeta> o_radios;
OHRadio::OHRadio(UpMpd *dev)
: OHService(sTpProduct, sIdProduct, dev), m_active(false),
m_id(0), m_ok(false)
{
// Need Python for the radiopl playlist-to-audio-url script
string pypath;
if (!ExecCmd::which("python2", pypath)) {
LOGINF("OHRadio: python2 not found, radio service will not work\n");
return;
}
if (!readRadios()) {
LOGINF("OHRadio: readRadios() failed, radio service will not work\n");
return;
}
m_ok = true;
dev->addActionMapping(this, "Channel",
bind(&OHRadio::channel, this, _1, _2));
dev->addActionMapping(this, "ChannelsMax",
bind(&OHRadio::channelsMax, this, _1, _2));
dev->addActionMapping(this, "Id",
bind(&OHRadio::id, this, _1, _2));
dev->addActionMapping(this, "IdArray",
bind(&OHRadio::idArray, this, _1, _2));
dev->addActionMapping(this, "IdArrayChanged",
bind(&OHRadio::idArrayChanged, this, _1, _2));
dev->addActionMapping(this, "Pause",
bind(&OHRadio::pause, this, _1, _2));
dev->addActionMapping(this, "Play",
bind(&OHRadio::play, this, _1, _2));
dev->addActionMapping(this, "ProtocolInfo",
bind(&OHRadio::protocolInfo, this, _1, _2));
dev->addActionMapping(this, "Read",
bind(&OHRadio::ohread, this, _1, _2));
dev->addActionMapping(this, "ReadList",
bind(&OHRadio::readList, this, _1, _2));
dev->addActionMapping(this, "SeekSecondAbsolute",
bind(&OHRadio::seekSecondAbsolute, this, _1, _2));
dev->addActionMapping(this, "SeekSecondRelative",
bind(&OHRadio::seekSecondRelative, this, _1, _2));
dev->addActionMapping(this, "SetChannel",
bind(&OHRadio::setChannel, this, _1, _2));
dev->addActionMapping(this, "SetId",
bind(&OHRadio::setId, this, _1, _2));
dev->addActionMapping(this, "Stop",
bind(&OHRadio::stop, this, _1, _2));
dev->addActionMapping(this, "TransportState",
bind(&OHRadio::transportState, this, _1, _2));
}
static void getRadiosFromConf(ConfSimple* conf)
{
vector<string> allsubk = conf->getSubKeys_unsorted();
for (auto it = allsubk.begin(); it != allsubk.end(); it++) {
if (it->find("radio ") == 0) {
string uri, artUri, artScript, metaScript, preferScript;
string title = it->substr(6);
conf->get("url", uri, *it);
conf->get("artUrl", artUri, *it);
conf->get("artScript", artScript, *it);
trimstring(artScript, " \t\n\r");
conf->get("metaScript", metaScript, *it);
trimstring(metaScript, " \t\n\r");
conf->get("preferScript", preferScript, *it);
trimstring(preferScript, " \t\n\r");
if (!uri.empty() || !metaScript.empty()) {
o_radios.push_back(RadioMeta(title, uri, artUri, artScript,
metaScript, preferScript));
LOGDEB("OHRadio::readRadios:RADIO: [" << title << "] uri ["
<< uri << "] artUri [" << artUri << "] metaScript [" <<
metaScript << "] preferScript " << preferScript << endl);
}
}
}
}
bool OHRadio::readRadios()
{
// Id 0 means no selection
o_radios.push_back(RadioMeta("Unknown radio", "", "", "", "", ""));
getRadiosFromConf(g_config);
// Also if radiolist is defined, get from there
string radiolistfn;
if (g_config->get("radiolist", radiolistfn)) {
ConfSimple rdconf(radiolistfn.c_str(), 1);
if (!rdconf.ok()) {
LOGERR("OHRadio::readRadios: failed initializing from " <<
radiolistfn << endl);
} else {
getRadiosFromConf(&rdconf);
}
}
return true;
}
static string mpdstatusToTransportState(MpdStatus::State st)
{
string tstate;
switch (st) {
case MpdStatus::MPDS_PLAY:
tstate = "Playing";
break;
case MpdStatus::MPDS_PAUSE:
tstate = "Paused";
break;
default:
tstate = "Stopped";
}
return tstate;
}
// The data format for id lists is an array of msb 32 bits ints
// encoded in base64. The values could be anything, but, for us, they
// are just the indices into o_radios(), beginning at 1 because 0 is
// special (it's reserved in o_radios too).
bool OHRadio::makeIdArray(string& out)
{
//LOGDEB1("OHRadio::makeIdArray\n");
string out1;
for (unsigned int val = 1; val < o_radios.size(); val++) {
out1 += (unsigned char) ((val & 0xff000000) >> 24);
out1 += (unsigned char) ((val & 0x00ff0000) >> 16);
out1 += (unsigned char) ((val & 0x0000ff00) >> 8);
out1 += (unsigned char) ((val & 0x000000ff));
}
out = base64_encode(out1);
return true;
}
void OHRadio::maybeExecMetaScript(RadioMeta& radio, MpdStatus &mpds)
{
string seconds("-1");
if (time(0) < radio.nextMetaScriptExecTime) {
LOGDEB0("OHRadio::maybeExecMetaScript: next in " <<
radio.nextMetaScriptExecTime - time(0) << endl);
return;
}
if (mpds.state == MpdStatus::MPDS_PLAY) {
seconds = SoapHelp::i2s(mpds.songelapsedms);
}
vector<string> args{radio.metaScript};
args.push_back(seconds);
string data;
if (!ExecCmd::backtick(args, data)) {
LOGERR("OHRadio::makestate: radio metascript failed\n");
return;
}
LOGDEB0("OHRadio::makestate: metaScript got: [" << data << "]\n");
// The data is in JSON format
Json::Value decoded;
try {
istringstream input(data);
input >> decoded;
} catch (std::exception e) {
LOGERR("OHRadio::makestate: Json decode failed for [" << data << "]");
radio.nextMetaScriptExecTime = time(0) + 10;
return;
}
radio.dynTitle = decoded.get("title", "").asString();
radio.dynArtist = decoded.get("artist", "").asString();
radio.dynArtUri = decoded.get("artUrl", "").asString();
int reload = decoded.get("reload", 10).asInt();
if (reload < 2) {
reload = 2;
}
radio.nextMetaScriptExecTime = time(0) + reload;
// If the script returns an audio uri, queue it to mpd
string audioUri= decoded.get("audioUrl", "").asString();
if (!audioUri.empty()) {
vector<UpSong> queue;
m_dev->m_mpdcli->getQueueData(queue);
bool found = false;
for (const auto& entry : queue) {
if (entry.uri == audioUri) {
found = true;
break;
}
}
if (!found) {
UpSong song;
song.album = radio.title;
song.uri = audioUri;
LOGDEB("INSERTING " << song.uri << endl);
m_dev->m_mpdcli->single(false);
m_dev->m_mpdcli->consume(true);
if (m_dev->m_mpdcli->insert(audioUri, -1, song) < 0) {
LOGERR("OHRadio::mkstate: mpd insert failed."<< " pos " <<
mpds.songpos << " uri " << audioUri << endl);
return;
}
}
// Have to do this else playing does not start, but this is
// going to interfer with a user-initiated pause/stop state
if (mpds.state != MpdStatus::MPDS_PLAY && !m_dev->m_mpdcli->play(0)) {
LOGERR("OHRadio::mkstate: mpd play failed\n");
return;
}
radio.currentAudioUri = audioUri;
}
}
bool OHRadio::makestate(unordered_map<string, string>& st)
{
st.clear();
MpdStatus mpds = m_dev->getMpdStatusNoUpdate();
st["ChannelsMax"] = SoapHelp::i2s(o_radios.size());
st["Id"] = SoapHelp::i2s(m_id);
makeIdArray(st["IdArray"]);
if (m_active && m_id >= 0 && m_id < o_radios.size()) {
if (mpds.currentsong.album.empty()) {
mpds.currentsong.album = o_radios[m_id].title;
}
RadioMeta& radio = o_radios[m_id];
// Some radios do not insert icy metadata in the stream, but rather
// provide a script to retrieve it.
bool nompddata = mpds.currentsong.title.empty() &&
mpds.currentsong.artist.empty();
if ((radio.preferScript || nompddata) && radio.metaScript.size()) {
maybeExecMetaScript(radio, mpds);
mpds.currentsong.title = radio.dynTitle;
mpds.currentsong.artist = radio.dynArtist;
}
// Some radios provide a url to the art for the current song.
// Execute script to retrieve it if the current title+artist changed
if (radio.artScript.size()) {
string nsong(mpds.currentsong.title + mpds.currentsong.artist);
if (nsong.compare(m_currentsong)) {
m_currentsong = nsong;
string uri;
radio.dynArtUri.clear();
if (ExecCmd::backtick(radio.artScript, uri)) {
trimstring(uri, " \t\r\n");
LOGDEB0("OHRadio::makestate: artScript got: [" << uri <<
"]\n");
radio.dynArtUri = uri;
}
}
}
mpds.currentsong.artUri = radio.dynArtUri.empty() ? radio.artUri :
radio.dynArtUri;
string meta = didlmake(mpds.currentsong);
st["Metadata"] = meta;
m_dev->m_ohif->setMetatext(meta);
} else {
if (m_active)
LOGDEB("OHRadio::makestate: bad m_id " << m_id << endl);
st["Metadata"] = "";
m_dev->m_ohif->setMetatext("");
}
st["ProtocolInfo"] = Protocolinfo::the()->gettext();
st["TransportState"] = mpdstatusToTransportState(mpds.state);
st["Uri"] = mpds.currentsong.uri;
return true;
}
void OHRadio::maybeWakeUp(bool ok)
{
if (ok && m_dev) {
m_dev->loopWakeup();
}
}
int OHRadio::setPlaying()
{
if (m_id > o_radios.size()) {
LOGERR("OHRadio::setPlaying: called with bad id (" << m_id << ")\n");
return UPNP_E_INTERNAL_ERROR;
}
RadioMeta& radio = o_radios[m_id];
radio.nextMetaScriptExecTime = 0;
if (radio.uri.empty() && radio.metaScript.empty()) {
LOGERR("OHRadio::setPlaying: both URI and metascript are empty !\n");
return UPNP_E_INVALID_PARAM;
}
if (radio.uri.empty()) {
// We count on the metascript to also return an audio URI,
// which will be sent to MPD during makestate().
radio.currentAudioUri.clear();
m_dev->m_mpdcli->clearQueue();
return UPNP_E_SUCCESS;
}
string cmdpath = path_cat(g_datadir, "rdpl2stream");
cmdpath = path_cat(cmdpath, "fetchStream.py");
// Execute the playlist parser
ExecCmd cmd;
vector<string> args;
args.push_back(radio.uri);
LOGDEB("OHRadio::setPlaying: exec: " << cmdpath << " " << args[0] << endl);
if (cmd.startExec(cmdpath, args, false, true) < 0) {
LOGDEB("OHRadio::setPlaying: startExec failed for " <<
cmdpath << " " << args[0] << endl);
return UPNP_E_INTERNAL_ERROR;
}
// Read actual audio stream url
string audiourl;
if (cmd.getline(audiourl, 10) < 0) {
LOGDEB("OHRadio::setPlaying: could not get audio url\n");
return UPNP_E_INTERNAL_ERROR;
}
trimstring(audiourl, "\r\n");
if (audiourl.empty()) {
LOGDEB("OHRadio::setPlaying: audio url empty\n");
return UPNP_E_INTERNAL_ERROR;
}
// Send url to mpd
m_dev->m_mpdcli->clearQueue();
UpSong song;
song.album = radio.title;
song.uri = radio.uri;
if (m_dev->m_mpdcli->insert(audiourl, 0, song) < 0) {
LOGDEB("OHRadio::setPlaying: mpd insert failed\n");
return UPNP_E_INTERNAL_ERROR;
}
m_dev->m_mpdcli->single(true);
if (!m_dev->m_mpdcli->play(0)) {
LOGDEB("OHRadio::setPlaying: mpd play failed\n");
return UPNP_E_INTERNAL_ERROR;
}
return UPNP_E_SUCCESS;
}
void OHRadio::setActive(bool onoff) {
m_active = onoff;
if (m_active) {
if (m_id)
m_dev->m_mpdcli->restoreState(m_mpdsavedstate);
maybeWakeUp(true);
} else {
m_dev->m_mpdcli->saveState(m_mpdsavedstate);
m_dev->m_mpdcli->clearQueue();
iStop();
}
}
int OHRadio::iPlay()
{
int ret = setPlaying();
maybeWakeUp(ret == UPNP_E_SUCCESS);
return ret;
}
int OHRadio::play(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::play" << endl);
if (!m_active && m_dev->m_ohpr) {
m_dev->m_ohpr->iSetSourceIndexByName("Radio");
}
return iPlay();
}
int OHRadio::pause(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::pause" << endl);
bool ok = m_dev->m_mpdcli->pause(true);
maybeWakeUp(ok);
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
int OHRadio::iStop()
{
bool ok = m_dev->m_mpdcli->stop();
maybeWakeUp(ok);
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
int OHRadio::stop(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::stop" << endl);
return iStop();
}
int OHRadio::channel(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::channel" << endl);
data.addarg("Uri", m_state["Uri"]);
data.addarg("Metadata", m_state["Metadata"]);
return UPNP_E_SUCCESS;
}
int OHRadio::setChannel(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::setChannel" << endl);
string uri, metadata;
bool ok = sc.get("Uri", &uri) && sc.get("Metadata", &metadata);
if (ok) {
iStop();
m_id = 0;
o_radios[0].uri = uri;
UpSong ups;
uMetaToUpSong(metadata, &ups);
o_radios[0].title = ups.album + " " + ups.title;
}
maybeWakeUp(ok);
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
int OHRadio::setId(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::setId" << endl);
int id;
if (!sc.get("Value", &id)) {
LOGDEB("OHRadio::setId: no value ??\n");
return UPNP_E_INTERNAL_ERROR;
}
if (id <= 0 || id > int(o_radios.size())) {
LOGDEB("OHRadio::setId: bad value " << id << endl);
return UPNP_E_INTERNAL_ERROR;
}
iStop();
m_id = id;
maybeWakeUp(true);
return UPNP_E_SUCCESS;
}
// Return current channel Id.
int OHRadio::id(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::id" << endl);
data.addarg("Value", SoapHelp::i2s(m_id));
return UPNP_E_SUCCESS;
}
static string radioDidlMake(const string& title, const string& uri,
const string& artUri)
{
string out("<DIDL-Lite xmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n"
"xmlns:upnp=\"urn:schemas-upnp-org:metadata-1-0/upnp/\"\n"
"xmlns=\"urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/\">\n"
"<item id=\"\" parentID=\"\" restricted=\"True\">\n"
"<dc:title>");
out += SoapHelp::xmlQuote(title);
out += "</dc:title>\n"
"<res protocolInfo=\"*:*:*:*\" bitrate=\"6000\">";
out += SoapHelp::xmlQuote(uri);
out += "</res>\n"
"<upnp:albumArtURI>";
out += SoapHelp::xmlQuote(artUri);
out += "</upnp:albumArtURI>\n"
"<upnp:class>object.item.audioItem</upnp:class>\n"
"</item>\n"
"</DIDL-Lite>\n";
return out;
}
// This is called from read, and readlist. Don't send current metadata
// (including dynamic art and song title) for the current channel,
// else the radio logo AND name are replaced by the song's in channel
// selection interfaces. Only send the song metadata with
// OHRadio::Channel and Info:Metatext
string OHRadio::metaForId(unsigned int id)
{
LOGDEB1("OHRadio::metaForId: id " << id << " m_id " << m_id << endl);
string meta;
if (id >= 0 && id < o_radios.size()) {
if (false && id == m_id) {
LOGDEB1("OHRadio::metaForId: using Metatext\n");
meta = m_state["Metadata"];
} else {
LOGDEB1("OHRadio::metaForId: using list data\n");
meta = radioDidlMake(o_radios[id].title, o_radios[id].uri,
o_radios[id].artUri);
}
}
return meta;
}
// Report the uri and metadata for a given channel id.
int OHRadio::ohread(const SoapIncoming& sc, SoapOutgoing& data)
{
int id;
bool ok = sc.get("Id", &id);
if (ok) {
LOGDEB("OHRadio::read id " << id << endl);
if (id >= 0 && id < int(o_radios.size())) {
string meta = metaForId(id);
data.addarg("Metadata", meta);
} else {
ok = false;
}
}
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
// Given a space separated list of track Id's, report their associated
// uri and metadata in the following xml form:
//
// <TrackList>
// <Entry>
// <Id></Id>
// <Metadata></Metadata>
// </Entry>
// </TrackList>
//
// Any ids not in the radio are ignored.
int OHRadio::readList(const SoapIncoming& sc, SoapOutgoing& data)
{
string sids;
UpSong song;
bool ok = sc.get("IdList", &sids);
LOGDEB("OHRadio::readList: [" << sids << "]" << endl);
vector<string> ids;
string out("<ChannelList>");
if (ok) {
stringToTokens(sids, ids);
for (auto it = ids.begin(); it != ids.end(); it++) {
int id = atoi(it->c_str());
if (id <= 0 || id >= int(o_radios.size())) {
LOGDEB("OHRadio::readlist: bad id " << id << endl);
continue;
}
string meta = metaForId(id);
out += "<Entry><Id>";
out += *it;
out += "</Id><Uri>";
out += SoapHelp::xmlQuote(o_radios[id].uri);
out += "</Uri><Metadata>";
out += SoapHelp::xmlQuote(meta);
out += "</Metadata></Entry>";
}
out += "</ChannelList>";
LOGDEB0("OHRadio::readList: out: [" << out << "]" << endl);
data.addarg("ChannelList", out);
}
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
// Returns current list of id as array of big endian 32bits integers,
// base-64-encoded.
int OHRadio::idArray(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::idArray" << endl);
string idarray;
if (makeIdArray(idarray)) {
data.addarg("Token", SoapHelp::i2s(1));
data.addarg("Array", idarray);
return UPNP_E_SUCCESS;
}
return UPNP_E_INTERNAL_ERROR;
}
int OHRadio::seekSecondAbsolute(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::seekSecondAbsolute" << endl);
int seconds;
bool ok = sc.get("Value", &seconds);
if (ok) {
ok = m_dev->m_mpdcli->seek(seconds);
maybeWakeUp(ok);
}
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
int OHRadio::seekSecondRelative(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::seekSecondRelative" << endl);
int seconds;
bool ok = sc.get("Value", &seconds);
if (ok) {
const MpdStatus& mpds = m_dev->getMpdStatusNoUpdate();
bool is_song = (mpds.state == MpdStatus::MPDS_PLAY) ||
(mpds.state == MpdStatus::MPDS_PAUSE);
if (is_song) {
seconds += mpds.songelapsedms / 1000;
ok = m_dev->m_mpdcli->seek(seconds);
} else {
ok = false;
}
maybeWakeUp(ok);
}
return ok ? UPNP_E_SUCCESS : UPNP_E_INTERNAL_ERROR;
}
int OHRadio::transportState(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::transportState" << endl);
const MpdStatus& mpds = m_dev->getMpdStatusNoUpdate();
string tstate;
switch (mpds.state) {
case MpdStatus::MPDS_PLAY:
tstate = "Playing";
break;
case MpdStatus::MPDS_PAUSE:
tstate = "Paused";
break;
default:
tstate = "Stopped";
}
data.addarg("Value", tstate);
return UPNP_E_SUCCESS;
}
// Check if id array changed since last call (which returned a gen
// token). Our array never changes
int OHRadio::idArrayChanged(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::idArrayChanged" << endl);
data.addarg("Value", SoapHelp::i2s(0));
return UPNP_E_SUCCESS;
}
int OHRadio::channelsMax(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::channelsMax" << endl);
data.addarg("Value", SoapHelp::i2s(o_radios.size()));
return UPNP_E_SUCCESS;
}
int OHRadio::protocolInfo(const SoapIncoming& sc, SoapOutgoing& data)
{
LOGDEB("OHRadio::protocolInfo" << endl);
data.addarg("Value", Protocolinfo::the()->gettext());
return UPNP_E_SUCCESS;
}