/* search for music (artist or track), needed to create new station; don't
* forget to free the search result; beware! searchResult will be nulled
* by PianoXmlParseSearch
* @public yes
* @param piano handle
* @param utf-8 search string
* @param return search result
*/
PianoReturn_t PianoSearchMusic (PianoHandle_t *ph,
const char *searchStr, PianoSearchResult_t *searchResult) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
char *xmlencodedSearchStr, *urlencodedSearchStr;
PianoReturn_t ret;
if ((xmlencodedSearchStr = PianoXmlEncodeString (searchStr)) == NULL) {
return PIANO_RET_OUT_OF_MEMORY;
}
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>music.search</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
xmlencodedSearchStr);
urlencodedSearchStr = WaitressUrlEncode (searchStr);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=search&arg1=%s", ph->routeId,
ph->user.listenerId, urlencodedSearchStr);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseSearch (retStr, searchResult);
PianoFree (retStr, 0);
}
PianoFree (urlencodedSearchStr, 0);
PianoFree (xmlencodedSearchStr, 0);
return ret;
}
/* destroy genre linked list
*/
void PianoDestroyGenres (PianoGenre_t *genres) {
PianoGenre_t *curGenre, *lastGenre;
curGenre = genres;
while (curGenre != NULL) {
PianoFree (curGenre->name, 0);
PianoFree (curGenre->musicId, 0);
lastGenre = curGenre;
curGenre = curGenre->next;
PianoFree (lastGenre, sizeof (*lastGenre));
}
}
/* get next songs for station (usually four tracks)
* @param piano handle
* @param station id
* @param audio format
* @param return value: playlist
*/
PianoReturn_t PianoGetPlaylist (PianoHandle_t *ph, const char *stationId,
PianoAudioFormat_t format, PianoSong_t **retPlaylist) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
/* FIXME: remove static, "magic" numbers */
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>playlist.getFragment</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>0</string></value></param>"
"<param><value><string></string></value></param>"
"<param><value><string></string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>0</string></value></param>"
"<param><value><string>0</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
stationId, PianoAudioFormatToString (format));
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=getFragment&arg1=%s&arg2=0"
"&arg3=&arg4=&arg5=%s&arg6=0&arg7=0", ph->routeId,
ph->user.listenerId, stationId,
PianoAudioFormatToString (format));
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParsePlaylist (ph, retStr, retPlaylist);
PianoFree (retStr, 0);
}
return ret;
}
/* create new station on server
* @public yes
* @param piano handle
* @param type: "mi" for music id (from music search) or "sh" for
* shared station
* @param id
*/
PianoReturn_t PianoCreateStation (PianoHandle_t *ph, const char *type,
const char *id) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.createStation</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
type, id);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=createStation&arg1=%s%s", ph->routeId,
ph->user.listenerId, type, id);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseCreateStation (ph, retStr);
PianoFree (retStr, 0);
}
return ret;
}
/* add more music to existing station; multithreaded apps beware! this alters
* station data, don't forget to lock the station pointer you passed to this
* function
* @public yes
* @param piano handle
* @param add music to this station
* @param music id; can be obtained with PianoSearchMusic ()
*/
PianoReturn_t PianoStationAddMusic (PianoHandle_t *ph,
PianoStation_t *station, const char *musicId) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.addSeed</methodName><params>"
"<param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
station->id, musicId);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=addSeed&arg1=%s&arg2=%s", ph->routeId,
ph->user.listenerId, station->id, musicId);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseAddSeed (ph, retStr, station);
PianoFree (retStr, 0);
}
return ret;
}
/* make shared stations private, needed to rate songs played on shared
* stations
* @param piano handle
* @param station to transform
* @return _OK or error
*/
PianoReturn_t PianoTransformShared (PianoHandle_t *ph,
PianoStation_t *station) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.transformShared</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
station->id);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=transformShared&arg1=%s", ph->routeId,
ph->user.listenerId, station->id);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseTranformStation (retStr);
/* though this call returns a bunch of "new" data only this one is
* changed and important (at the moment) */
if (ret == PIANO_RET_OK) {
station->isCreator = 1;
}
PianoFree (retStr, 0);
}
return ret;
}
/* "why dit you play this song?"
* @param piano handle
* @param song (from playlist)
* @param return allocated string; you have to free it yourself
* @return _OK or error
*/
PianoReturn_t PianoExplain (PianoHandle_t *ph, const PianoSong_t *song,
char **retExplain) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>playlist.narrative</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
song->stationId, song->musicId);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=method=narrative&arg1=%s&arg2=%s",
ph->routeId, ph->user.listenerId, song->stationId, song->musicId);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseNarrative (retStr, retExplain);
PianoFree (retStr, 0);
}
return ret;
}
/* Get seed suggestions by music id
* @param piano handle
* @param music id
* @param max results
* @param result buffer
*/
PianoReturn_t PianoSeedSuggestions (PianoHandle_t *ph, const char *musicId,
unsigned int max, PianoSearchResult_t *searchResult) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>music.getSeedSuggestions</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><int>%u</int></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
musicId, max);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=method=getSeedSuggestions&arg1=%s&arg2=%u",
ph->routeId, ph->user.listenerId, musicId, max);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseSeedSuggestions (retStr, searchResult);
PianoFree (retStr, 0);
}
return ret;
}
/* frees the whole piano handle structure
* @param piano handle
* @return nothing
*/
void PianoDestroy (PianoHandle_t *ph) {
PianoFree (ph->user.webAuthToken, 0);
PianoFree (ph->user.authToken, 0);
PianoFree (ph->user.listenerId, 0);
PianoDestroyStations (ph->stations);
/* destroy genre stations */
PianoGenreCategory_t *curGenreCat = ph->genreStations, *lastGenreCat;
while (curGenreCat != NULL) {
PianoDestroyGenres (curGenreCat->genres);
PianoFree (curGenreCat->name, 0);
lastGenreCat = curGenreCat;
curGenreCat = curGenreCat->next;
PianoFree (lastGenreCat, sizeof (*lastGenreCat));
}
memset (ph, 0, sizeof (*ph));
}
/* free _all_ elements of playlist
* @param piano handle
* @return nothing
*/
void PianoDestroyPlaylist (PianoSong_t *playlist) {
PianoSong_t *curSong, *lastSong;
curSong = playlist;
while (curSong != NULL) {
PianoFree (curSong->audioUrl, 0);
PianoFree (curSong->artist, 0);
PianoFree (curSong->musicId, 0);
PianoFree (curSong->title, 0);
PianoFree (curSong->userSeed, 0);
PianoFree (curSong->identity, 0);
PianoFree (curSong->stationId, 0);
PianoFree (curSong->album, 0);
PianoFree (curSong->artistMusicId, 0);
lastSong = curSong;
curSong = curSong->next;
PianoFree (lastSong, sizeof (*lastSong));
}
}
/* free complete station list
* @param piano handle
*/
void PianoDestroyStations (PianoStation_t *stations) {
PianoStation_t *curStation, *lastStation;
curStation = stations;
while (curStation != NULL) {
lastStation = curStation;
curStation = curStation->next;
PianoDestroyStation (lastStation);
PianoFree (lastStation, sizeof (*lastStation));
}
}
/* authenticates user
* @param piano handle
* @param username (utf-8 encoded)
* @param password (plaintext, utf-8 encoded)
* @param use ssl when logging in (1 = on, 0 = off), note that the password
* is not hashed and will be sent as plain-text!
*/
PianoReturn_t PianoConnect (PianoHandle_t *ph, const char *user,
const char *password) {
char *retStr, xmlSendBuf[PIANO_SEND_BUFFER_SIZE];
PianoReturn_t ret;
/* sync and throw away result (it's an encrypted timestamp, decrypt with
* PianoDecryptString) */
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>misc.sync</methodName>"
"<params></params></methodCall>");
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&method=sync", ph->routeId);
ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr);
PianoFree (retStr, 0);
if (ret != PIANO_RET_OK) {
return ret;
}
/* authenticate */
snprintf (xmlSendBuf, sizeof (xmlSendBuf),
"<?xml version=\"1.0\"?><methodCall>"
"<methodName>listener.authenticateListener</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), user, password);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&method=authenticateListener", ph->routeId);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseUserinfo (ph, retStr);
PianoFree (retStr, 0);
}
return ret;
}
/* rename station (on the server and local)
* @public yes
* @param piano handle
* @param change this stations name
* @param new name
* @return
*/
PianoReturn_t PianoRenameStation (PianoHandle_t *ph, PianoStation_t *station,
const char *newName) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
char *urlencodedNewName, *xmlencodedNewName;
PianoReturn_t ret = PIANO_RET_ERR;
if ((xmlencodedNewName = PianoXmlEncodeString (newName)) == NULL) {
return PIANO_RET_OUT_OF_MEMORY;
}
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.setStationName</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
station->id, xmlencodedNewName);
urlencodedNewName = WaitressUrlEncode (newName);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=setStationName&arg1=%s&arg2=%s",
ph->routeId, ph->user.listenerId, station->id, urlencodedNewName);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
if ((ret = PianoXmlParseSimple (retStr)) == PIANO_RET_OK) {
PianoFree (station->name, 0);
station->name = strdup (newName);
}
PianoFree (retStr, 0);
}
PianoFree (urlencodedNewName, 0);
PianoFree (xmlencodedNewName, 0);
return ret;
}
/* set stations use by quickmix
* @param piano handle
* @return _OK or error
*/
PianoReturn_t PianoSetQuickmix (PianoHandle_t *ph) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], valueBuf[1000], urlArgBuf[1000],
*retStr;
PianoReturn_t ret;
PianoStation_t *curStation = ph->stations;
memset (urlArgBuf, 0, sizeof (urlArgBuf));
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.setQuickMix</methodName><params>"
"<param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>RANDOM</string></value></param>"
"<param><value><array><data>", time (NULL), ph->user.authToken);
while (curStation != NULL) {
/* quick mix can't contain itself */
if (!curStation->useQuickMix || curStation->isQuickMix) {
curStation = curStation->next;
continue;
}
/* append to xml doc */
snprintf (valueBuf, sizeof (valueBuf),
"<value><string>%s</string></value>", curStation->id);
strncat (xmlSendBuf, valueBuf, sizeof (xmlSendBuf) -
strlen (xmlSendBuf) - 1);
/* append to url arg */
strncat (urlArgBuf, curStation->id, sizeof (urlArgBuf) -
strlen (urlArgBuf) - 1);
curStation = curStation->next;
/* if not last item: append "," */
if (curStation != NULL) {
strncat (urlArgBuf, "%2C", sizeof (urlArgBuf) -
strlen (urlArgBuf) - 1);
}
}
strncat (xmlSendBuf,
"</data></array></value></param></params></methodCall>",
sizeof (xmlSendBuf) - strlen (xmlSendBuf) - 1);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=setQuickMix&arg1=RANDOM&arg2=%s",
ph->routeId, ph->user.listenerId, urlArgBuf);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseSimple (retStr);
PianoFree (retStr, 0);
}
return ret;
}
/* receive genre stations
* @param piano handle
* @return _OK or error
*/
PianoReturn_t PianoGetGenreStations (PianoHandle_t *ph) {
char *retStr;
PianoReturn_t ret;
snprintf (ph->waith.path, sizeof (ph->waith.path), "/xml/genre?r=%li",
time (NULL));
if ((ret = PianoHttpGet (&ph->waith, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseGenreExplorer (ph, retStr);
PianoFree (retStr, 0);
}
return ret;
}
/* add feedback
* @param piano handle
* @param station id
* @param song id
* @param song matching seed or NULL
* @param song user seed or NULL
* @param song focus trait id or NULL
* @param rating
*/
static PianoReturn_t PianoAddFeedback (PianoHandle_t *ph, const char *stationId,
const char *songMusicId, const char *songMatchingSeed,
const char *songUserSeed, const char *songFocusTraitId,
PianoSongRating_t rating) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret = PIANO_RET_ERR;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.addFeedback</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value></value></param>"
"<param><value><boolean>%i</boolean></value></param>"
"<param><value><boolean>0</boolean></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
stationId, songMusicId,
(songMatchingSeed == NULL) ? "" : songMatchingSeed,
(songUserSeed == NULL) ? "" : songUserSeed,
(songFocusTraitId == NULL) ? "" : songFocusTraitId,
(rating == PIANO_RATE_LOVE) ? 1 : 0);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=addFeedback&arg1=%s&arg2=%s"
"&arg3=%s&arg4=%s&arg5=%s&arg6=&arg7=%s&arg8=false", ph->routeId,
ph->user.listenerId, stationId, songMusicId,
(songMatchingSeed == NULL) ? "" : songMatchingSeed,
(songUserSeed == NULL) ? "" : songUserSeed,
(songFocusTraitId == NULL) ? "" : songFocusTraitId,
(rating == PIANO_RATE_LOVE) ? "true" : "false");
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseSimple (retStr);
PianoFree (retStr, 0);
}
return ret;
}
/* delete station
* @public yes
* @param piano handle
* @param station you want to delete
*/
PianoReturn_t PianoDeleteStation (PianoHandle_t *ph, PianoStation_t *station) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret = PIANO_RET_ERR;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.removeStation</methodName>"
"<params><param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
station->id);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=removeStation&arg1=%s", ph->routeId,
ph->user.listenerId, station->id);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
if ((ret = PianoXmlParseSimple (retStr)) == PIANO_RET_OK) {
/* delete station from local station list */
PianoStation_t *curStation = ph->stations, *lastStation = NULL;
while (curStation != NULL) {
if (curStation == station) {
if (lastStation != NULL) {
lastStation->next = curStation->next;
} else {
/* first station in list */
ph->stations = curStation->next;
}
PianoDestroyStation (curStation);
PianoFree (curStation, sizeof (*curStation));
break;
}
lastStation = curStation;
curStation = curStation->next;
}
}
}
return ret;
}
/* ban a song temporary (for one month)
* @param piano handle
* @param song to be banned
* @return _OK or error
*/
PianoReturn_t PianoSongTired (PianoHandle_t *ph, const PianoSong_t *song) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
PianoReturn_t ret;
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>listener.addTiredSong</methodName><params>"
"<param><value><int>%li</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", time (NULL), ph->user.authToken,
song->identity);
snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
"rid=%s&lid=%s&method=addTiredSong&arg1=%s", ph->routeId,
ph->user.listenerId, song->identity);
if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
PIANO_RET_OK) {
ret = PianoXmlParseSimple (retStr);
PianoFree (retStr, 0);
}
return ret;
}
/* free complete search result
* @public yes
* @param search result
*/
void PianoDestroySearchResult (PianoSearchResult_t *searchResult) {
PianoArtist_t *curArtist, *lastArtist;
PianoSong_t *curSong, *lastSong;
curArtist = searchResult->artists;
while (curArtist != NULL) {
PianoFree (curArtist->name, 0);
PianoFree (curArtist->musicId, 0);
lastArtist = curArtist;
curArtist = curArtist->next;
PianoFree (lastArtist, sizeof (*lastArtist));
}
curSong = searchResult->songs;
while (curSong != NULL) {
PianoFree (curSong->title, 0);
PianoFree (curSong->artist, 0);
PianoFree (curSong->musicId, 0);
lastSong = curSong;
curSong = curSong->next;
PianoFree (lastSong, sizeof (*lastSong));
}
}
/* destroy request, free post data. req->responseData is *not* freed here!
* @param piano request
*/
void PianoDestroyRequest (PianoRequest_t *req) {
PianoFree (req->postData, 0);
memset (req, 0, sizeof (*req));
}
/* prepare piano request (initializes request type, urlpath and postData)
* @param piano handle
* @param request structure
* @param request type
*/
PianoReturn_t PianoRequest (PianoHandle_t *ph, PianoRequest_t *req,
PianoRequestType_t type) {
char xmlSendBuf[PIANO_SEND_BUFFER_SIZE];
/* corrected timestamp */
time_t timestamp = time (NULL) - ph->timeOffset;
assert (ph != NULL);
assert (req != NULL);
req->type = type;
switch (req->type) {
case PIANO_REQUEST_LOGIN: {
/* authenticate user */
PianoRequestDataLogin_t *logindata = req->data;
assert (logindata != NULL);
switch (logindata->step) {
case 0:
snprintf (xmlSendBuf, sizeof (xmlSendBuf),
"<?xml version=\"1.0\"?><methodCall>"
"<methodName>misc.sync</methodName>"
"<params></params></methodCall>");
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&method=sync", ph->routeId);
break;
case 1:
snprintf (xmlSendBuf, sizeof (xmlSendBuf),
"<?xml version=\"1.0\"?><methodCall>"
"<methodName>listener.authenticateListener</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
logindata->user, logindata->password);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&method=authenticateListener", ph->routeId);
break;
}
break;
}
case PIANO_REQUEST_GET_STATIONS:
/* get stations, user must be authenticated */
assert (ph->user.listenerId != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.getStations</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=getStations", ph->routeId,
ph->user.listenerId);
break;
case PIANO_REQUEST_GET_PLAYLIST: {
/* get playlist for specified station */
PianoRequestDataGetPlaylist_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->station != NULL);
assert (reqData->station->id != NULL);
assert (reqData->format != PIANO_AF_UNKNOWN);
/* FIXME: remove static, "magic" numbers */
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>playlist.getFragment</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>0</string></value></param>"
"<param><value><string></string></value></param>"
"<param><value><string></string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>0</string></value></param>"
"<param><value><string>0</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->station->id,
PianoAudioFormatToString (reqData->format));
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=getFragment&arg1=%s&arg2=0"
"&arg3=&arg4=&arg5=%s&arg6=0&arg7=0", ph->routeId,
ph->user.listenerId, reqData->station->id,
PianoAudioFormatToString (reqData->format));
break;
}
case PIANO_REQUEST_ADD_FEEDBACK: {
/* low-level, don't use directly (see _RATE_SONG and _MOVE_SONG) */
PianoRequestDataAddFeedback_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->stationId != NULL);
assert (reqData->musicId != NULL);
assert (reqData->rating != PIANO_RATE_NONE);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.addFeedback</methodName>"
"<params><param><value><int>%lu</int></value></param>"
/* auth token */
"<param><value><string>%s</string></value></param>"
/* station id */
"<param><value><string>%s</string></value></param>"
/* music id */
"<param><value><string>%s</string></value></param>"
/* user seed */
"<param><value><string>%s</string></value></param>"
/* test strategy */
"<param><value>%u</value></param>"
/* positive */
"<param><value><boolean>%i</boolean></value></param>"
/* "is-creator-quickmix" */
"<param><value><boolean>0</boolean></value></param>"
/* song type */
"<param><value><int>%u</int></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->stationId, reqData->musicId,
(reqData->userSeed == NULL) ? "" : reqData->userSeed,
reqData->testStrategy,
(reqData->rating == PIANO_RATE_LOVE) ? 1 : 0,
reqData->songType);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=addFeedback&arg1=%s&arg2=%s"
"&arg3=%s&arg4=%u&arg5=%s&arg6=false&arg7=%u",
ph->routeId, ph->user.listenerId, reqData->stationId,
reqData->musicId,
(reqData->userSeed == NULL) ? "" : reqData->userSeed,
reqData->testStrategy,
(reqData->rating == PIANO_RATE_LOVE) ? "true" : "false",
reqData->songType);
break;
}
case PIANO_REQUEST_RENAME_STATION: {
/* rename stations */
PianoRequestDataRenameStation_t *reqData = req->data;
char *urlencodedNewName, *xmlencodedNewName;
assert (reqData != NULL);
assert (reqData->station != NULL);
assert (reqData->newName != NULL);
if ((xmlencodedNewName = PianoXmlEncodeString (reqData->newName)) == NULL) {
return PIANO_RET_OUT_OF_MEMORY;
}
urlencodedNewName = WaitressUrlEncode (reqData->newName);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.setStationName</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->station->id,
xmlencodedNewName);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=setStationName&arg1=%s&arg2=%s",
ph->routeId, ph->user.listenerId, reqData->station->id,
urlencodedNewName);
PianoFree (urlencodedNewName, 0);
PianoFree (xmlencodedNewName, 0);
break;
}
case PIANO_REQUEST_DELETE_STATION: {
/* delete station */
PianoStation_t *station = req->data;
assert (station != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.removeStation</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, station->id);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=removeStation&arg1=%s", ph->routeId,
ph->user.listenerId, station->id);
break;
}
case PIANO_REQUEST_SEARCH: {
/* search for artist/song title */
PianoRequestDataSearch_t *reqData = req->data;
char *xmlencodedSearchStr, *urlencodedSearchStr;
assert (reqData != NULL);
assert (reqData->searchStr != NULL);
if ((xmlencodedSearchStr = PianoXmlEncodeString (reqData->searchStr)) == NULL) {
return PIANO_RET_OUT_OF_MEMORY;
}
urlencodedSearchStr = WaitressUrlEncode (reqData->searchStr);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>music.search</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, xmlencodedSearchStr);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=search&arg1=%s", ph->routeId,
ph->user.listenerId, urlencodedSearchStr);
PianoFree (urlencodedSearchStr, 0);
PianoFree (xmlencodedSearchStr, 0);
break;
}
case PIANO_REQUEST_CREATE_STATION: {
/* create new station from specified musicid (type=mi, get one by
* performing a search) or shared station id (type=sh) */
PianoRequestDataCreateStation_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->id != NULL);
assert (reqData->type != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.createStation</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->type, reqData->id);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=createStation&arg1=%s%s", ph->routeId,
ph->user.listenerId, reqData->type, reqData->id);
break;
}
case PIANO_REQUEST_ADD_SEED: {
/* add another seed to specified station */
PianoRequestDataAddSeed_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->station != NULL);
assert (reqData->musicId != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.addSeed</methodName><params>"
"<param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->station->id, reqData->musicId);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=addSeed&arg1=%s&arg2=%s", ph->routeId,
ph->user.listenerId, reqData->station->id, reqData->musicId);
break;
}
case PIANO_REQUEST_ADD_TIRED_SONG: {
/* ban song for a month from all stations */
PianoSong_t *song = req->data;
assert (song != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>listener.addTiredSong</methodName><params>"
"<param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, song->identity);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=addTiredSong&arg1=%s", ph->routeId,
ph->user.listenerId, song->identity);
break;
}
case PIANO_REQUEST_SET_QUICKMIX: {
/* select stations included in quickmix (see useQuickMix flag of
* PianoStation_t) */
char valueBuf[1000], urlArgBuf[1000];
PianoStation_t *curStation = ph->stations;
memset (urlArgBuf, 0, sizeof (urlArgBuf));
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.setQuickMix</methodName><params>"
"<param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>RANDOM</string></value></param>"
"<param><value><array><data>", (unsigned long) timestamp,
ph->user.authToken);
while (curStation != NULL) {
/* quick mix can't contain itself */
if (!curStation->useQuickMix || curStation->isQuickMix) {
curStation = curStation->next;
continue;
}
/* append to xml doc */
snprintf (valueBuf, sizeof (valueBuf),
"<value><string>%s</string></value>", curStation->id);
strncat (xmlSendBuf, valueBuf, sizeof (xmlSendBuf) -
strlen (xmlSendBuf) - 1);
/* append to url arg */
strncat (urlArgBuf, curStation->id, sizeof (urlArgBuf) -
strlen (urlArgBuf) - 1);
curStation = curStation->next;
/* if not last item: append "," */
if (curStation != NULL) {
strncat (urlArgBuf, "%2C", sizeof (urlArgBuf) -
strlen (urlArgBuf) - 1);
}
}
strncat (xmlSendBuf,
"</data></array></value></param>"
"<param><value><string>CUSTOM</string></value></param>"
"<param><value><string></string></value></param>"
"</params></methodCall>",
sizeof (xmlSendBuf) - strlen (xmlSendBuf) - 1);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=setQuickMix&arg1=RANDOM&arg2=%s&arg3=CUSTOM&arg4=",
ph->routeId, ph->user.listenerId, urlArgBuf);
break;
}
case PIANO_REQUEST_GET_GENRE_STATIONS:
/* receive list of pandora's genre stations */
xmlSendBuf[0] = '\0';
snprintf (req->urlPath, sizeof (req->urlPath), "/xml/genre?r=%lu",
(unsigned long) timestamp);
break;
case PIANO_REQUEST_TRANSFORM_STATION: {
/* transform shared station into private */
PianoStation_t *station = req->data;
assert (station != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.transformShared</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, station->id);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=transformShared&arg1=%s", ph->routeId,
ph->user.listenerId, station->id);
break;
}
case PIANO_REQUEST_EXPLAIN: {
/* explain why particular song was played */
PianoRequestDataExplain_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->song != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>playlist.narrative</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->song->stationId,
reqData->song->musicId);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=narrative&arg1=%s&arg2=%s",
ph->routeId, ph->user.listenerId, reqData->song->stationId,
reqData->song->musicId);
break;
}
case PIANO_REQUEST_GET_SEED_SUGGESTIONS: {
/* find similar artists */
PianoRequestDataGetSeedSuggestions_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->musicId != NULL);
assert (reqData->max != 0);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>music.getSeedSuggestions</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><int>%u</int></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, reqData->musicId, reqData->max);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=getSeedSuggestions&arg1=%s&arg2=%u",
ph->routeId, ph->user.listenerId, reqData->musicId, reqData->max);
break;
}
case PIANO_REQUEST_BOOKMARK_SONG: {
/* bookmark song */
PianoSong_t *song = req->data;
assert (song != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.createBookmark</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, song->stationId, song->musicId);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=createBookmark&arg1=%s&arg2=%s",
ph->routeId, ph->user.listenerId, song->stationId,
song->musicId);
break;
}
case PIANO_REQUEST_BOOKMARK_ARTIST: {
/* bookmark artist */
PianoSong_t *song = req->data;
assert (song != NULL);
snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
"<methodCall><methodName>station.createArtistBookmark</methodName>"
"<params><param><value><int>%lu</int></value></param>"
"<param><value><string>%s</string></value></param>"
"<param><value><string>%s</string></value></param>"
"</params></methodCall>", (unsigned long) timestamp,
ph->user.authToken, song->artistMusicId);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"rid=%s&lid=%s&method=createArtistBookmark&arg1=%s",
ph->routeId, ph->user.listenerId, song->artistMusicId);
break;
}
/* "high-level" wrapper */
case PIANO_REQUEST_RATE_SONG: {
/* love/ban song */
PianoRequestDataRateSong_t *reqData = req->data;
PianoReturn_t pRet;
assert (reqData != NULL);
assert (reqData->song != NULL);
assert (reqData->rating != PIANO_RATE_NONE);
PianoRequestDataAddFeedback_t transformedReqData;
transformedReqData.stationId = reqData->song->stationId;
transformedReqData.musicId = reqData->song->musicId;
transformedReqData.userSeed = reqData->song->userSeed;
transformedReqData.rating = reqData->rating;
transformedReqData.testStrategy = reqData->song->testStrategy;
transformedReqData.songType = reqData->song->songType;
req->data = &transformedReqData;
/* create request data (url, post data) */
pRet = PianoRequest (ph, req, PIANO_REQUEST_ADD_FEEDBACK);
/* and reset request type/data */
req->type = PIANO_REQUEST_RATE_SONG;
req->data = reqData;
return pRet;
break;
}
case PIANO_REQUEST_MOVE_SONG: {
/* move song to a different station, needs two requests */
PianoRequestDataMoveSong_t *reqData = req->data;
PianoRequestDataAddFeedback_t transformedReqData;
PianoReturn_t pRet;
assert (reqData != NULL);
assert (reqData->song != NULL);
assert (reqData->from != NULL);
assert (reqData->to != NULL);
assert (reqData->step < 2);
transformedReqData.musicId = reqData->song->musicId;
transformedReqData.userSeed = "";
transformedReqData.songType = reqData->song->songType;
transformedReqData.testStrategy = reqData->song->testStrategy;
req->data = &transformedReqData;
switch (reqData->step) {
case 0:
transformedReqData.stationId = reqData->from->id;
transformedReqData.rating = PIANO_RATE_BAN;
break;
case 1:
transformedReqData.stationId = reqData->to->id;
transformedReqData.rating = PIANO_RATE_LOVE;
break;
}
/* create request data (url, post data) */
pRet = PianoRequest (ph, req, PIANO_REQUEST_ADD_FEEDBACK);
/* and reset request type/data */
req->type = PIANO_REQUEST_MOVE_SONG;
req->data = reqData;
return pRet;
break;
}
}
if ((req->postData = PianoEncryptString (xmlSendBuf)) == NULL) {
return PIANO_RET_OUT_OF_MEMORY;
}
return PIANO_RET_OK;
}
/* parse xml response and update data structures/return new data structure
* @param piano handle
* @param initialized request (expects responseData to be a NUL-terminated
* string)
*/
PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
PianoReturn_t ret = PIANO_RET_ERR;
assert (ph != NULL);
assert (req != NULL);
switch (req->type) {
case PIANO_REQUEST_LOGIN: {
/* authenticate user */
PianoRequestDataLogin_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
switch (reqData->step) {
case 0: {
char *cryptedTimestamp = NULL;
assert (req->responseData != NULL);
/* abusing parseNarrative; has same xml structure */
ret = PianoXmlParseNarrative (req->responseData, &cryptedTimestamp);
if (cryptedTimestamp != NULL) {
unsigned long timestamp = 0;
time_t realTimestamp = time (NULL);
char *decryptedTimestamp = NULL, *decryptedPos = NULL;
unsigned char i = 4;
if ((decryptedTimestamp = PianoDecryptString (cryptedTimestamp)) != NULL) {
decryptedPos = decryptedTimestamp;
/* skip four bytes garbage? at beginning */
while (i-- > 0 && *decryptedPos++ != '\0');
timestamp = strtoul (decryptedPos, NULL, 0);
ph->timeOffset = realTimestamp - timestamp;
PianoFree (decryptedTimestamp, 0);
}
PianoFree (cryptedTimestamp, 0);
}
ret = PIANO_RET_CONTINUE_REQUEST;
++reqData->step;
break;
}
case 1:
ret = PianoXmlParseUserinfo (ph, req->responseData);
break;
}
break;
}
case PIANO_REQUEST_GET_STATIONS:
/* get stations */
assert (req->responseData != NULL);
ret = PianoXmlParseStations (ph, req->responseData);
break;
case PIANO_REQUEST_GET_PLAYLIST: {
/* get playlist, usually four songs */
PianoRequestDataGetPlaylist_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
reqData->retPlaylist = NULL;
ret = PianoXmlParsePlaylist (ph, req->responseData,
&reqData->retPlaylist);
break;
}
case PIANO_REQUEST_RATE_SONG:
/* love/ban song */
assert (req->responseData != NULL);
ret = PianoXmlParseSimple (req->responseData);
if (ret == PIANO_RET_OK) {
PianoRequestDataRateSong_t *reqData = req->data;
reqData->song->rating = reqData->rating;
}
break;
case PIANO_REQUEST_ADD_FEEDBACK:
/* never ever use this directly, low-level call */
assert (0);
break;
case PIANO_REQUEST_MOVE_SONG: {
/* move song to different station */
PianoRequestDataMoveSong_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
assert (reqData->step < 2);
ret = PianoXmlParseSimple (req->responseData);
if (ret == PIANO_RET_OK && reqData->step == 0) {
ret = PIANO_RET_CONTINUE_REQUEST;
++reqData->step;
}
break;
}
case PIANO_REQUEST_RENAME_STATION:
/* rename station and update PianoStation_t structure */
assert (req->responseData != NULL);
if ((ret = PianoXmlParseSimple (req->responseData)) == PIANO_RET_OK) {
PianoRequestDataRenameStation_t *reqData = req->data;
assert (reqData != NULL);
assert (reqData->station != NULL);
assert (reqData->newName != NULL);
PianoFree (reqData->station->name, 0);
reqData->station->name = strdup (reqData->newName);
}
break;
case PIANO_REQUEST_DELETE_STATION:
/* delete station from server and station list */
assert (req->responseData != NULL);
if ((ret = PianoXmlParseSimple (req->responseData)) == PIANO_RET_OK) {
PianoStation_t *station = req->data;
assert (station != NULL);
/* delete station from local station list */
PianoStation_t *curStation = ph->stations, *lastStation = NULL;
while (curStation != NULL) {
if (curStation == station) {
if (lastStation != NULL) {
lastStation->next = curStation->next;
} else {
/* first station in list */
ph->stations = curStation->next;
}
PianoDestroyStation (curStation);
PianoFree (curStation, sizeof (*curStation));
break;
}
lastStation = curStation;
curStation = curStation->next;
}
}
break;
case PIANO_REQUEST_SEARCH: {
/* search artist/song */
PianoRequestDataSearch_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
ret = PianoXmlParseSearch (req->responseData, &reqData->searchResult);
break;
}
case PIANO_REQUEST_CREATE_STATION: {
/* create station, insert new station into station list on success */
assert (req->responseData != NULL);
ret = PianoXmlParseCreateStation (ph, req->responseData);
break;
}
case PIANO_REQUEST_ADD_SEED: {
/* add seed to station, updates station structure */
PianoRequestDataAddSeed_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
assert (reqData->station != NULL);
/* FIXME: update station data instead of replacing them */
ret = PianoXmlParseAddSeed (ph, req->responseData, reqData->station);
break;
}
case PIANO_REQUEST_ADD_TIRED_SONG:
case PIANO_REQUEST_SET_QUICKMIX:
case PIANO_REQUEST_BOOKMARK_SONG:
case PIANO_REQUEST_BOOKMARK_ARTIST:
assert (req->responseData != NULL);
ret = PianoXmlParseSimple (req->responseData);
break;
case PIANO_REQUEST_GET_GENRE_STATIONS:
/* get genre stations */
assert (req->responseData != NULL);
ret = PianoXmlParseGenreExplorer (ph, req->responseData);
break;
case PIANO_REQUEST_TRANSFORM_STATION: {
/* transform shared station into private and update isCreator flag */
PianoStation_t *station = req->data;
assert (req->responseData != NULL);
assert (station != NULL);
/* though this call returns a bunch of "new" data only this one is
* changed and important (at the moment) */
if ((ret = PianoXmlParseTranformStation (req->responseData)) ==
PIANO_RET_OK) {
station->isCreator = 1;
}
break;
}
case PIANO_REQUEST_EXPLAIN: {
/* explain why song was selected */
PianoRequestDataExplain_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
ret = PianoXmlParseNarrative (req->responseData, &reqData->retExplain);
break;
}
case PIANO_REQUEST_GET_SEED_SUGGESTIONS: {
/* find similar artists */
PianoRequestDataGetSeedSuggestions_t *reqData = req->data;
assert (req->responseData != NULL);
assert (reqData != NULL);
ret = PianoXmlParseSeedSuggestions (req->responseData,
&reqData->searchResult);
break;
}
}
return ret;
}
static void PianoXmlParsePlaylistCb (const char *key, const ezxml_t value,
void *data) {
PianoSong_t *song = data;
char *valueStr = PianoXmlGetNodeText (value);
if (strcmp ("audioURL", key) == 0) {
/* last 48 chars of audioUrl are encrypted, but they put the key
* into the door's lock... */
const char urlTailN = 48;
const size_t valueStrN = strlen (valueStr);
char *urlTail = NULL,
*urlTailCrypted = &valueStr[valueStrN - urlTailN];
/* don't try to decrypt if string is too short (=> invalid memory
* reads/writes) */
if (valueStrN > urlTailN &&
(urlTail = PianoDecryptString (urlTailCrypted)) != NULL) {
if ((song->audioUrl = calloc (valueStrN + 1,
sizeof (*song->audioUrl))) != NULL) {
memcpy (song->audioUrl, valueStr, valueStrN - urlTailN);
/* FIXME: the key seems to be broken... so ignore 8 x 0x08
* postfix; urlTailN/2 because the encrypted hex string is now
* decoded */
memcpy (&song->audioUrl[valueStrN - urlTailN], urlTail,
urlTailN/2 - 8);
}
PianoFree (urlTail, urlTailN/2);
}
} else if (strcmp ("artistSummary", key) == 0) {
song->artist = strdup (valueStr);
} else if (strcmp ("musicId", key) == 0) {
song->musicId = strdup (valueStr);
} else if (strcmp ("userSeed", key) == 0) {
song->userSeed = strdup (valueStr);
} else if (strcmp ("songTitle", key) == 0) {
song->title = strdup (valueStr);
} else if (strcmp ("identity", key) == 0) {
song->identity = strdup (valueStr);
} else if (strcmp ("rating", key) == 0) {
if (strcmp (valueStr, "1") == 0) {
song->rating = PIANO_RATE_LOVE;
} else {
song->rating = PIANO_RATE_NONE;
}
} else if (strcmp ("stationId", key) == 0) {
song->stationId = strdup (valueStr);
} else if (strcmp ("albumTitle", key) == 0) {
song->album = strdup (valueStr);
} else if (strcmp ("fileGain", key) == 0) {
song->fileGain = atof (valueStr);
} else if (strcmp ("audioEncoding", key) == 0) {
if (strcmp (valueStr, "aacplus") == 0) {
song->audioFormat = PIANO_AF_AACPLUS;
} else if (strcmp (valueStr, "mp3") == 0) {
song->audioFormat = PIANO_AF_MP3;
} else if (strcmp (valueStr, "mp3-hifi") == 0) {
song->audioFormat = PIANO_AF_MP3_HI;
}
} else if (strcmp ("artistMusicId", key) == 0) {
song->artistMusicId = strdup (valueStr);
} else if (strcmp ("testStrategy", key) == 0) {
song->testStrategy = atoi (valueStr);
} else if (strcmp ("songType", key) == 0) {
song->songType = atoi (valueStr);
}
}
/* free single station
* @param station
*/
void PianoDestroyStation (PianoStation_t *station) {
PianoFree (station->name, 0);
PianoFree (station->id, 0);
memset (station, 0, sizeof (station));
}