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authorLars-Dominik Braun <PromyLOPh@lavabit.com>2010-03-30 10:56:59 +0200
committerLars-Dominik Braun <PromyLOPh@lavabit.com>2010-04-05 17:19:49 +0200
commit37cee3b9d6d3f5fd7a477791ebfdb1e85e8faf9d (patch)
tree6fcd8ca5ced40164353bb9cbbc9cea10fa6bd9fe /libpiano/src/piano.c
parent34ff325e217b33be3ad80c87a377eb7dc0902f46 (diff)
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piano: New request/response api
Removed HTTP stuff from libpiano. The user is now responsible for POSTing data to the server.
Diffstat (limited to 'libpiano/src/piano.c')
-rw-r--r--libpiano/src/piano.c1334
1 files changed, 681 insertions, 653 deletions
diff --git a/libpiano/src/piano.c b/libpiano/src/piano.c
index 407f5f7..84a497b 100644
--- a/libpiano/src/piano.c
+++ b/libpiano/src/piano.c
@@ -27,10 +27,13 @@ THE SOFTWARE.
#include <string.h>
#include <stdlib.h>
#include <time.h>
+#include <assert.h>
+
+/* needed for urlencode */
+#include <waitress.h>
#include "piano_private.h"
#include "piano.h"
-#include "http.h"
#include "xml.h"
#include "crypt.h"
#include "config.h"
@@ -41,11 +44,6 @@ THE SOFTWARE.
#define PIANO_RPC_PATH "/radio/xmlrpc/v" PIANO_PROTOCOL_VERSION "?"
#define PIANO_SEND_BUFFER_SIZE 10000
-/* prototypes */
-static PianoReturn_t PianoAddFeedback (PianoHandle_t *, const char *, const char *,
- const char *, const char *, const char *, PianoSongRating_t);
-const char *PianoAudioFormatToString (PianoAudioFormat_t);
-
/* more "secure" free version
* @param free this pointer
* @param zero n bytes; 0 disables zeroing (for strings with unknown size,
@@ -68,10 +66,6 @@ void PianoFree (void *ptr, size_t size) {
void PianoInit (PianoHandle_t *ph) {
memset (ph, 0, sizeof (*ph));
- WaitressInit (&ph->waith);
- strncpy (ph->waith.host, PIANO_RPC_HOST, sizeof (ph->waith.host)-1);
- strncpy (ph->waith.port, PIANO_RPC_PORT, sizeof (ph->waith.port)-1);
-
/* route-id seems to be random. we're using time anyway... */
snprintf (ph->routeId, sizeof (ph->routeId), "%07liP", time (NULL) % 10000000);
}
@@ -160,8 +154,6 @@ void PianoDestroyPlaylist (PianoSong_t *playlist) {
* @return nothing
*/
void PianoDestroy (PianoHandle_t *ph) {
- WaitressFree (&ph->waith);
-
PianoFree (ph->user.webAuthToken, 0);
PianoFree (ph->user.authToken, 0);
PianoFree (ph->user.listenerId, 0);
@@ -179,689 +171,753 @@ void PianoDestroy (PianoHandle_t *ph) {
memset (ph, 0, sizeof (*ph));
}
-/* authenticates user
- * @param piano handle
- * @param username (utf-8 encoded)
- * @param password (plaintext, utf-8 encoded)
+/* destroy request, free post data. req->responseData is *not* freed here!
+ * @param piano request
*/
-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;
+void PianoDestroyRequest (PianoRequest_t *req) {
+ PianoFree (req->postData, 0);
+ memset (req, 0, sizeof (*req));
}
-/* get all stations for authenticated user (so: PianoConnect needs to
- * be run before)
- * @param piano handle filled with some authentication data by PianoConnect
+/* convert audio format id to string that can be used in xml requests
+ * @param format id
+ * @return constant string
*/
-PianoReturn_t PianoGetStations (PianoHandle_t *ph) {
- char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
- PianoReturn_t ret;
-
- snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
- "<methodCall><methodName>station.getStations</methodName>"
- "<params><param><value><int>%li</int></value></param>"
- "<param><value><string>%s</string></value></param>"
- "</params></methodCall>", time (NULL), ph->user.authToken);
- snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
- "rid=%s&lid=%s&method=getStations", ph->routeId,
- ph->user.listenerId);
-
- if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
- PIANO_RET_OK) {
- ret = PianoXmlParseStations (ph, retStr);
- PianoFree (retStr, 0);
- }
+static const char *PianoAudioFormatToString (PianoAudioFormat_t format) {
+ switch (format) {
+ case PIANO_AF_AACPLUS:
+ return "aacplus";
+ break;
- return ret;
-}
+ case PIANO_AF_MP3:
+ return "mp3";
+ break;
-/* 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);
- }
+ case PIANO_AF_MP3_HI:
+ return "mp3-hifi";
+ break;
- return ret;
+ default:
+ return NULL;
+ break;
+ }
}
-/* love or ban track (you cannot remove your rating, so PIANO_RATE_NONE is
- * not allowed)
- * @public yes
+/* prepare piano request (initializes request type, urlpath and postData)
* @param piano handle
- * @param rate this track
- * @param your rating
+ * @param request structure
+ * @param request type
*/
-PianoReturn_t PianoRateTrack (PianoHandle_t *ph, PianoSong_t *song,
- PianoSongRating_t rating) {
- PianoReturn_t ret;
+PianoReturn_t PianoRequest (PianoHandle_t *ph, PianoRequest_t *req,
+ PianoRequestType_t type) {
+ char xmlSendBuf[PIANO_SEND_BUFFER_SIZE];
+
+ 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);
+
+ 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), logindata->user,
+ logindata->password);
+ snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&method=authenticateListener", ph->routeId);
+ break;
+ }
- ret = PianoAddFeedback (ph, song->stationId, song->musicId,
- song->matchingSeed, song->userSeed, song->focusTraitId, rating);
+ 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>%li</int></value></param>"
+ "<param><value><string>%s</string></value></param>"
+ "</params></methodCall>", time (NULL), ph->user.authToken);
+ snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=getStations", ph->routeId,
+ ph->user.listenerId);
+ break;
- if (ret == PIANO_RET_OK) {
- song->rating = rating;
- }
+ 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>%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,
+ 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;
+ }
- return ret;
-}
+ 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>%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,
+ reqData->stationId, reqData->musicId,
+ (reqData->matchingSeed == NULL) ? "" : reqData->matchingSeed,
+ (reqData->userSeed == NULL) ? "" : reqData->userSeed,
+ (reqData->focusTraitId == NULL) ? "" : reqData->focusTraitId,
+ (reqData->rating == PIANO_RATE_LOVE) ? 1 : 0);
+ snprintf (req->urlPath, sizeof (req->urlPath), 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, reqData->stationId,
+ reqData->musicId,
+ (reqData->matchingSeed == NULL) ? "" : reqData->matchingSeed,
+ (reqData->userSeed == NULL) ? "" : reqData->userSeed,
+ (reqData->focusTraitId == NULL) ? "" : reqData->focusTraitId,
+ (reqData->rating == PIANO_RATE_LOVE) ? "true" : "false");
+ break;
+ }
-/* move song to another station
- * @param piano handle
- * @param move from
- * @param move here
- * @param song to move
- */
-PianoReturn_t PianoMoveSong (PianoHandle_t *ph,
- const PianoStation_t *stationFrom, const PianoStation_t *stationTo,
- const PianoSong_t *song) {
- PianoReturn_t ret;
-
- /* ban from current station */
- if ((ret = PianoAddFeedback (ph, stationFrom->id, song->musicId, "", "",
- "", PIANO_RATE_BAN)) == PIANO_RET_OK) {
- /* love at new station */
- return PianoAddFeedback (ph, stationTo->id, song->musicId, "",
- "", "", PIANO_RATE_LOVE);
- }
- return ret;
-}
+ case PIANO_REQUEST_RENAME_STATION: {
+ /* rename stations */
+ PianoRequestDataRenameStation_t *reqData = req->data;
+ char *urlencodedNewName, *xmlencodedNewName;
-/* 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;
+ assert (reqData != NULL);
+ assert (reqData->station != NULL);
+ assert (reqData->newName != NULL);
- 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);
- }
+ 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>%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,
+ 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;
+ }
- return ret;
-}
+ 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>%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 (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=removeStation&arg1=%s", ph->routeId,
+ ph->user.listenerId, station->id);
+ break;
+ }
-/* rename station (on the server and local)
- * @public yes
- * @param piano handle
- * @param change this stations name
- * @param new name
- */
-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;
+ case PIANO_REQUEST_SEARCH: {
+ /* search for artist/song title */
+ PianoRequestDataSearch_t *reqData = req->data;
+ char *xmlencodedSearchStr, *urlencodedSearchStr;
- if ((xmlencodedNewName = PianoXmlEncodeString (newName)) == NULL) {
- return PIANO_RET_OUT_OF_MEMORY;
- }
+ assert (reqData != NULL);
+ assert (reqData->searchStr != NULL);
- 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);
+ 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>%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);
+ 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;
}
- PianoFree (retStr, 0);
- }
- PianoFree (urlencodedNewName, 0);
- PianoFree (xmlencodedNewName, 0);
+ 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>%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,
+ 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;
+ }
- return ret;
-}
+ 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>%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,
+ 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;
+ }
-/* 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;
+ 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>%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 (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=addTiredSong&arg1=%s", ph->routeId,
+ ph->user.listenerId, song->identity);
+ break;
+ }
- 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;
+ 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>%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) {
- 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;
+ /* quick mix can't contain itself */
+ if (!curStation->useQuickMix || curStation->isQuickMix) {
+ curStation = curStation->next;
+ continue;
}
- lastStation = curStation;
+ /* 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 (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=setQuickMix&arg1=RANDOM&arg2=%s",
+ ph->routeId, ph->user.listenerId, urlArgBuf);
+ break;
}
- }
- return ret;
-}
+ 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=%li",
+ time (NULL));
+ break;
-/* 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;
+ 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>%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 (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=transformShared&arg1=%s", ph->routeId,
+ ph->user.listenerId, station->id);
+ break;
+ }
- if ((xmlencodedSearchStr = PianoXmlEncodeString (searchStr)) == NULL) {
- return PIANO_RET_OUT_OF_MEMORY;
- }
+ 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>%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,
+ reqData->song->stationId, reqData->song->musicId);
+ snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=method=narrative&arg1=%s&arg2=%s",
+ ph->routeId, ph->user.listenerId, reqData->song->stationId,
+ reqData->song->musicId);
+ break;
+ }
- 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);
- }
+ 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>%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,
+ reqData->musicId, reqData->max);
+ snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=method=getSeedSuggestions&arg1=%s&arg2=%u",
+ ph->routeId, ph->user.listenerId, reqData->musicId, reqData->max);
+ break;
+ }
- PianoFree (urlencodedSearchStr, 0);
- PianoFree (xmlencodedSearchStr, 0);
+ 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>%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 (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=method=createBookmark&arg1=%s&arg2=%s",
+ ph->routeId, ph->user.listenerId, song->stationId,
+ song->musicId);
+ break;
+ }
- return ret;
-}
+ 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>%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->artistMusicId);
+ snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
+ "rid=%s&lid=%s&method=method=createArtistBookmark&arg1=%s",
+ ph->routeId, ph->user.listenerId, song->artistMusicId);
+ break;
+ }
-/* 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);
- }
+ /* "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.matchingSeed = reqData->song->matchingSeed;
+ transformedReqData.userSeed = reqData->song->userSeed;
+ transformedReqData.focusTraitId = reqData->song->focusTraitId;
+ transformedReqData.rating = reqData->rating;
+ 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;
+ }
- return ret;
-}
+ 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.matchingSeed = "";
+ transformedReqData.userSeed = "";
+ transformedReqData.focusTraitId = "";
+ req->data = &transformedReqData;
+
+ switch (reqData->step) {
+ case 0:
+ transformedReqData.stationId = reqData->from->id;
+ transformedReqData.rating = PIANO_RATE_BAN;
+ break;
-/* FIXME: update station data instead of replacing them */
-/* 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
- * @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);
- }
+ case 1:
+ transformedReqData.stationId = reqData->to->id;
+ transformedReqData.rating = PIANO_RATE_LOVE;
+ break;
+ }
- return ret;
-}
+ /* 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;
-/* ban a song temporary (for one month)
- * @param piano handle
- * @param song to be banned
- */
-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 pRet;
+ break;
+ }
}
- return ret;
+ if ((req->postData = PianoEncryptString (xmlSendBuf)) == NULL) {
+ return PIANO_RET_OUT_OF_MEMORY;
+ }
+
+ return PIANO_RET_OK;
}
-/* set stations use by quickmix
+/* 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 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;
+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 */
+ assert (req->responseData != NULL);
+
+ ret = PianoXmlParseUserinfo (ph, req->responseData);
+ 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;
}
- /* 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);
+
+ 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;
}
- }
- 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;
-}
+ case PIANO_REQUEST_RENAME_STATION:
+ /* rename station and update PianoStation_t structure */
+ assert (req->responseData != NULL);
-/* get station from list by id
- * @param search here
- * @param search for this
- * @return the first station structure matching the given id
- */
-PianoStation_t *PianoFindStationById (PianoStation_t *stations,
- const char *searchStation) {
- while (stations != NULL) {
- if (strcmp (stations->id, searchStation) == 0) {
- return stations;
+ 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;
}
- stations = stations->next;
- }
- return NULL;
-}
-/* receive genre stations
- * @param piano handle
- */
-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);
- }
+ case PIANO_REQUEST_CREATE_STATION: {
+ /* create station, insert new station into station list on success */
+ assert (req->responseData != NULL);
- return ret;
-}
+ ret = PianoXmlParseCreateStation (ph, req->responseData);
+ break;
+ }
-/* make shared stations private, needed to rate songs played on shared
- * stations
- * @param piano handle
- * @param station to transform
- */
-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;
+ 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;
}
- PianoFree (retStr, 0);
- }
- return ret;
-}
+ 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);
-/* "why dit you play this song?"
- * @param piano handle
- * @param song (from playlist)
- * @param return allocated string; you have to free it yourself
- */
-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);
- }
+ ret = PianoXmlParseSimple (req->responseData);
+ break;
- return ret;
-}
+ case PIANO_REQUEST_GET_GENRE_STATIONS:
+ /* get genre stations */
+ assert (req->responseData != NULL);
-/* 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);
- }
+ ret = PianoXmlParseGenreExplorer (ph, req->responseData);
+ break;
- return ret;
-}
+ case PIANO_REQUEST_TRANSFORM_STATION: {
+ /* transform shared station into private and update isCreator flag */
+ PianoStation_t *station = req->data;
-/* Create song bookmark
- * @param piano handle
- * @param song
- */
-PianoReturn_t PianoBookmarkSong (PianoHandle_t *ph, PianoSong_t *song) {
- char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
- PianoReturn_t ret;
-
- snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
- "<methodCall><methodName>station.createBookmark</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=createBookmark&arg1=%s&arg2=%s",
- ph->routeId, ph->user.listenerId, song->stationId,
- song->musicId);
-
- if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
- PIANO_RET_OK) {
- ret = PianoXmlParseSimple (retStr);
- PianoFree (retStr, 0);
+ 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;
}
-/* Create artist bookmark
- * @param piano handle
- * @param song of artist
+/* get station from list by id
+ * @param search here
+ * @param search for this
+ * @return the first station structure matching the given id
*/
-PianoReturn_t PianoBookmarkArtist (PianoHandle_t *ph, PianoSong_t *song) {
- char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], *retStr;
- PianoReturn_t ret;
-
- snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
- "<methodCall><methodName>station.createArtistBookmark</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->artistMusicId);
-
- snprintf (ph->waith.path, sizeof (ph->waith.path), PIANO_RPC_PATH
- "rid=%s&lid=%s&method=method=createArtistBookmark&arg1=%s",
- ph->routeId, ph->user.listenerId, song->artistMusicId);
-
- if ((ret = PianoHttpPost (&ph->waith, xmlSendBuf, &retStr)) ==
- PIANO_RET_OK) {
- ret = PianoXmlParseSimple (retStr);
- PianoFree (retStr, 0);
+PianoStation_t *PianoFindStationById (PianoStation_t *stations,
+ const char *searchStation) {
+ while (stations != NULL) {
+ if (strcmp (stations->id, searchStation) == 0) {
+ return stations;
+ }
+ stations = stations->next;
}
-
- return ret;
+ return NULL;
}
/* convert return value to human-readable string
@@ -890,10 +946,6 @@ const char *PianoErrorToStr (PianoReturn_t ret) {
return "Username and/or password not correct.";
break;
- case PIANO_RET_NET_ERROR:
- return "Connection failed.";
- break;
-
case PIANO_RET_NOT_AUTHORIZED:
return "Not authorized.";
break;
@@ -938,27 +990,3 @@ const char *PianoErrorToStr (PianoReturn_t ret) {
}
}
-/* convert audio format id to string that can be used in xml requests
- * @param format id
- * @return constant string
- */
-const char *PianoAudioFormatToString (PianoAudioFormat_t format) {
- switch (format) {
- case PIANO_AF_AACPLUS:
- return "aacplus";
- break;
-
- case PIANO_AF_MP3:
- return "mp3";
- break;
-
- case PIANO_AF_MP3_HI:
- return "mp3-hifi";
- break;
-
- default:
- return NULL;
- break;
- }
-}
-