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Merge pull request #469 from chme/mpd 

MPD protocol support improvements
This commit is contained in:
ejurgensen 2017-12-23 14:38:05 +01:00 committed by GitHub
parent 94a3d67559 434be28460
commit 0c913529ff
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 363 additions and 261 deletions
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2
src/db.c
View File

@ -4450,7 +4450,7 @@ db_queue_add_item(struct db_queue_item *queue_item, char reshuffle, uint32_t ite
static int
queue_enum_start(struct query_params *qp)
{
#define Q_TMPL "SELECT * FROM queue WHERE %s %s;"
#define Q_TMPL "SELECT * FROM queue f WHERE %s %s;"
sqlite3_stmt *stmt;
char *query;
const char *orderby;

622
src/mpd.c
View File

@ -594,6 +594,239 @@ mpd_add_db_media_file_info(struct evbuffer *evbuf, struct db_media_file_info *db
return ret;
}
static int
mpd_get_query_params_find(int argc, char **argv, struct query_params *qp)
{
char *c1;
char *c2;
int start_pos;
int end_pos;
int i;
uint32_t num;
int ret;
c1 = NULL;
c2 = NULL;
for (i = 0; i < argc; i += 2)
{
if (0 == strcasecmp(argv[i], "any"))
{
c1 = db_mprintf("(f.artist LIKE '%%%q%%' OR f.album LIKE '%%%q%%' OR f.title LIKE '%%%q%%')", argv[i + 1], argv[i + 1], argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "file"))
{
c1 = db_mprintf("(f.virtual_path = '/%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "base"))
{
c1 = db_mprintf("(f.virtual_path LIKE '/%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "modified-since"))
{
DPRINTF(E_WARN, L_MPD, "Special parameter 'modified-since' is not supported by forked-daapd and will be ignored\n");
}
else if (0 == strcasecmp(argv[i], "window"))
{
ret = mpd_pars_range_arg(argv[i + 1], &start_pos, &end_pos);
if (ret == 0)
{
qp->idx_type = I_SUB;
qp->limit = end_pos - start_pos;
qp->offset = start_pos;
}
else
{
DPRINTF(E_LOG, L_MPD, "Window argument doesn't convert to integer or range: '%s'\n", argv[i + 1]);
}
}
else if (0 == strcasecmp(argv[i], "artist"))
{
c1 = db_mprintf("(f.artist = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "albumartist"))
{
c1 = db_mprintf("(f.album_artist = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "album"))
{
c1 = db_mprintf("(f.album = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "title"))
{
c1 = db_mprintf("(f.title = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "genre"))
{
c1 = db_mprintf("(f.genre = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "disc"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Disc parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.disc = %d)", num);
}
else if (0 == strcasecmp(argv[i], "track"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Track parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.track = %d)", num);
}
else if (0 == strcasecmp(argv[i], "date"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
c1 = db_mprintf("(f.year = 0 OR f.year IS NULL)");
else
c1 = db_mprintf("(f.year = %d)", num);
}
else if (i == 0 && argc == 1)
{
// Special case: a single token is allowed if listing albums for an artist
c1 = db_mprintf("(f.album_artist = '%q')", argv[i]);
}
else
{
DPRINTF(E_WARN, L_MPD, "Parameter '%s' is not supported by forked-daapd and will be ignored\n", argv[i]);
}
if (c1)
{
if (qp->filter)
c2 = db_mprintf("%s AND %s", qp->filter, c1);
else
c2 = db_mprintf("%s", c1);
free(qp->filter);
qp->filter = c2;
c2 = NULL;
free(c1);
c1 = NULL;
}
}
return 0;
}
static int
mpd_get_query_params_search(int argc, char **argv, struct query_params *qp)
{
char *c1;
char *c2;
int start_pos;
int end_pos;
int i;
uint32_t num;
int ret;
c1 = NULL;
c2 = NULL;
for (i = 0; i < argc; i += 2)
{
if (0 == strcasecmp(argv[i], "any"))
{
c1 = db_mprintf("(f.artist LIKE '%%%q%%' OR f.album LIKE '%%%q%%' OR f.title LIKE '%%%q%%')", argv[i + 1], argv[i + 1], argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "file"))
{
c1 = db_mprintf("(f.virtual_path LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "base"))
{
c1 = db_mprintf("(f.virtual_path LIKE '/%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "modified-since"))
{
DPRINTF(E_WARN, L_MPD, "Special parameter 'modified-since' is not supported by forked-daapd and will be ignored\n");
}
else if (0 == strcasecmp(argv[i], "window"))
{
ret = mpd_pars_range_arg(argv[i + 1], &start_pos, &end_pos);
if (ret == 0)
{
qp->idx_type = I_SUB;
qp->limit = end_pos - start_pos;
qp->offset = start_pos;
}
else
{
DPRINTF(E_LOG, L_MPD, "Window argument doesn't convert to integer or range: '%s'\n", argv[i + 1]);
}
}
else if (0 == strcasecmp(argv[i], "artist"))
{
c1 = db_mprintf("(f.artist LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "albumartist"))
{
c1 = db_mprintf("(f.album_artist LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "album"))
{
c1 = db_mprintf("(f.album LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "title"))
{
c1 = db_mprintf("(f.title LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "genre"))
{
c1 = db_mprintf("(f.genre LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "disc"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Disc parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.disc = %d)", num);
}
else if (0 == strcasecmp(argv[i], "track"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Track parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.track = %d)", num);
}
else if (0 == strcasecmp(argv[i], "date"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
c1 = db_mprintf("(f.year = 0 OR f.year IS NULL)");
else
c1 = db_mprintf("(f.year = %d)", num);
}
else
{
DPRINTF(E_WARN, L_MPD, "Parameter '%s' is not supported by forked-daapd and will be ignored\n", argv[i]);
}
if (c1)
{
if (qp->filter)
c2 = db_mprintf("%s AND %s", qp->filter, c1);
else
c2 = db_mprintf("%s", c1);
free(qp->filter);
qp->filter = c2;
c2 = NULL;
free(c1);
c1 = NULL;
}
}
return 0;
}
/*
* Command handler function for 'currentsong'
*/
@ -608,16 +841,13 @@ mpd_command_currentsong(struct evbuffer *evbuf, int argc, char **argv, char **er
player_get_status(&status);
if (status.status == PLAY_STOPPED)
{
// Return empty evbuffer if there is no current playing song
return 0;
}
queue_item = db_queue_fetch_bypos(0, status.shuffle);
else
queue_item = db_queue_fetch_byitemid(status.item_id);
queue_item = db_queue_fetch_byitemid(status.item_id);
if (!queue_item)
{
*errmsg = safe_asprintf("Error adding queue item info for file with id: %d", status.item_id);
return ACK_ERROR_UNKNOWN;
return 0;
}
ret = mpd_add_db_queue_item(evbuf, queue_item);
@ -732,8 +962,8 @@ mpd_command_status(struct evbuffer *evbuf, int argc, char **argv, char **errmsg,
int queue_length;
int queue_version;
char *state;
int pos_pl;
struct db_queue_item *next_item;
uint32_t itemid = 0;
struct db_queue_item *queue_item;
player_get_status(&status);
@ -775,39 +1005,50 @@ mpd_command_status(struct evbuffer *evbuf, int argc, char **argv, char **errmsg,
state);
if (status.status != PLAY_STOPPED)
{
pos_pl = db_queue_get_pos(status.item_id, 0);
queue_item = db_queue_fetch_byitemid(status.item_id);
else
queue_item = db_queue_fetch_bypos(0, status.shuffle);
if (queue_item)
{
evbuffer_add_printf(evbuf,
"song: %d\n"
"songid: %d\n"
"songid: %d\n",
queue_item->pos,
queue_item->id);
itemid = queue_item->id;
free_queue_item(queue_item, 0);
}
if (status.status != PLAY_STOPPED)
{
evbuffer_add_printf(evbuf,
"time: %d:%d\n"
"elapsed: %#.3f\n"
"bitrate: 128\n"
"audio: 44100:16:2\n",
pos_pl,
status.item_id,
(status.pos_ms / 1000), (status.len_ms / 1000),
(status.pos_ms / 1000.0));
}
}
if (library_is_scanning())
{
evbuffer_add(evbuf, "updating_db: 1\n", 15);
}
if (status.status != PLAY_STOPPED)
if (itemid > 0)
{
next_item = db_queue_fetch_next(status.item_id, status.shuffle);
if (next_item)
queue_item = db_queue_fetch_next(itemid, status.shuffle);
if (queue_item)
{
evbuffer_add_printf(evbuf,
"nextsong: %d\n"
"nextsongid: %d\n",
next_item->id,
next_item->pos);
queue_item->id,
queue_item->pos);
free_queue_item(next_item, 0);
free_queue_item(queue_item, 0);
}
}
@ -1552,6 +1793,7 @@ static int
mpd_command_addid(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, struct mpd_client_ctx *ctx)
{
struct media_file_info mfi;
int to_pos = -1;
int ret;
if (argc < 2)
@ -1560,10 +1802,14 @@ mpd_command_addid(struct evbuffer *evbuf, int argc, char **argv, char **errmsg,
return ACK_ERROR_ARG;
}
//TODO if argc > 2 add song at position argv[2]
if (argc > 2)
{
DPRINTF(E_LOG, L_MPD, "Adding at a specified position not supported for 'addid', adding songs at end of queue.\n");
ret = safe_atoi32(argv[2], &to_pos);
if (ret < 0)
{
*errmsg = safe_asprintf("Argument doesn't convert to integer: '%s'", argv[2]);
return ACK_ERROR_ARG;
}
}
ret = mpd_queue_add(argv[1], true);
@ -1588,6 +1834,11 @@ mpd_command_addid(struct evbuffer *evbuf, int argc, char **argv, char **errmsg,
return ACK_ERROR_UNKNOWN;
}
if (to_pos >= 0)
{
db_queue_move_byitemid(ret, to_pos, 0);
}
evbuffer_add_printf(evbuf,
"Id: %d\n",
ret); // mpd_queue_add returns the item_id of the last inserted queue item
@ -1892,6 +2143,94 @@ mpd_command_playlistinfo(struct evbuffer *evbuf, int argc, char **argv, char **e
return 0;
}
static int
mpd_command_playlistfind(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, struct mpd_client_ctx *ctx)
{
struct query_params query_params;
struct db_queue_item queue_item;
int ret;
memset(&query_params, 0, sizeof(struct query_params));
if (argc < 3 || ((argc - 1) % 2) != 0)
{
*errmsg = safe_asprintf("Missing argument(s) for command 'playlistfind'");
return ACK_ERROR_ARG;
}
mpd_get_query_params_find(argc - 1, argv + 1, &query_params);
ret = db_queue_enum_start(&query_params);
if (ret < 0)
{
free(query_params.filter);
*errmsg = safe_asprintf("Failed to start queue enum for command playlistinfo: '%s'", argv[1]);
return ACK_ERROR_ARG;
}
while ((ret = db_queue_enum_fetch(&query_params, &queue_item)) == 0 && queue_item.id > 0)
{
ret = mpd_add_db_queue_item(evbuf, &queue_item);
if (ret < 0)
{
*errmsg = safe_asprintf("Error adding media info for file with id: %d", queue_item.file_id);
db_queue_enum_end(&query_params);
free(query_params.filter);
return ACK_ERROR_UNKNOWN;
}
}
db_queue_enum_end(&query_params);
free(query_params.filter);
return 0;
}
static int
mpd_command_playlistsearch(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, struct mpd_client_ctx *ctx)
{
struct query_params query_params;
struct db_queue_item queue_item;
int ret;
memset(&query_params, 0, sizeof(struct query_params));
if (argc < 3 || ((argc - 1) % 2) != 0)
{
*errmsg = safe_asprintf("Missing argument(s) for command 'playlistfind'");
return ACK_ERROR_ARG;
}
mpd_get_query_params_search(argc - 1, argv + 1, &query_params);
ret = db_queue_enum_start(&query_params);
if (ret < 0)
{
free(query_params.filter);
*errmsg = safe_asprintf("Failed to start queue enum for command playlistinfo: '%s'", argv[1]);
return ACK_ERROR_ARG;
}
while ((ret = db_queue_enum_fetch(&query_params, &queue_item)) == 0 && queue_item.id > 0)
{
ret = mpd_add_db_queue_item(evbuf, &queue_item);
if (ret < 0)
{
*errmsg = safe_asprintf("Error adding media info for file with id: %d", queue_item.file_id);
db_queue_enum_end(&query_params);
free(query_params.filter);
return ACK_ERROR_UNKNOWN;
}
}
db_queue_enum_end(&query_params);
free(query_params.filter);
return 0;
}
static int
plchanges_build_queryparams(struct query_params *query_params, int argc, char **argv, char **errmsg)
{
@ -2390,125 +2729,6 @@ mpd_command_save(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, s
return 0;
}
static int
mpd_get_query_params_find(int argc, char **argv, struct query_params *qp)
{
char *c1;
char *c2;
int start_pos;
int end_pos;
int i;
uint32_t num;
int ret;
c1 = NULL;
c2 = NULL;
for (i = 0; i < argc; i += 2)
{
if (0 == strcasecmp(argv[i], "any"))
{
c1 = db_mprintf("(f.artist LIKE '%%%q%%' OR f.album LIKE '%%%q%%' OR f.title LIKE '%%%q%%')", argv[i + 1], argv[i + 1], argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "file"))
{
c1 = db_mprintf("(f.virtual_path = '/%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "base"))
{
c1 = db_mprintf("(f.virtual_path LIKE '/%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "modified-since"))
{
DPRINTF(E_WARN, L_MPD, "Special parameter 'modified-since' is not supported by forked-daapd and will be ignored\n");
}
else if (0 == strcasecmp(argv[i], "window"))
{
ret = mpd_pars_range_arg(argv[i + 1], &start_pos, &end_pos);
if (ret == 0)
{
qp->idx_type = I_SUB;
qp->limit = end_pos - start_pos;
qp->offset = start_pos;
}
else
{
DPRINTF(E_LOG, L_MPD, "Window argument doesn't convert to integer or range: '%s'\n", argv[i + 1]);
}
}
else if (0 == strcasecmp(argv[i], "artist"))
{
c1 = db_mprintf("(f.artist = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "albumartist"))
{
c1 = db_mprintf("(f.album_artist = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "album"))
{
c1 = db_mprintf("(f.album = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "title"))
{
c1 = db_mprintf("(f.title = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "genre"))
{
c1 = db_mprintf("(f.genre = '%q')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "disc"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Disc parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.disc = %d)", num);
}
else if (0 == strcasecmp(argv[i], "track"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Track parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.track = %d)", num);
}
else if (0 == strcasecmp(argv[i], "date"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
c1 = db_mprintf("(f.year = 0 OR f.year IS NULL)");
else
c1 = db_mprintf("(f.year = %d)", num);
}
else if (i == 0 && argc == 1)
{
// Special case: a single token is allowed if listing albums for an artist
c1 = db_mprintf("(f.album_artist = '%q')", argv[i]);
}
else
{
DPRINTF(E_WARN, L_MPD, "Parameter '%s' is not supported by forked-daapd and will be ignored\n", argv[i]);
}
if (c1)
{
if (qp->filter)
c2 = db_mprintf("%s AND %s", qp->filter, c1);
else
c2 = db_mprintf("%s", c1);
free(qp->filter);
qp->filter = c2;
c2 = NULL;
free(c1);
c1 = NULL;
}
}
return 0;
}
static int
mpd_command_count(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, struct mpd_client_ctx *ctx)
{
@ -3026,120 +3246,6 @@ mpd_command_lsinfo(struct evbuffer *evbuf, int argc, char **argv, char **errmsg,
return ret;
}
static int
mpd_get_query_params_search(int argc, char **argv, struct query_params *qp)
{
char *c1;
char *c2;
int start_pos;
int end_pos;
int i;
uint32_t num;
int ret;
c1 = NULL;
c2 = NULL;
for (i = 0; i < argc; i += 2)
{
if (0 == strcasecmp(argv[i], "any"))
{
c1 = db_mprintf("(f.artist LIKE '%%%q%%' OR f.album LIKE '%%%q%%' OR f.title LIKE '%%%q%%')", argv[i + 1], argv[i + 1], argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "file"))
{
c1 = db_mprintf("(f.virtual_path LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "base"))
{
c1 = db_mprintf("(f.virtual_path LIKE '/%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "modified-since"))
{
DPRINTF(E_WARN, L_MPD, "Special parameter 'modified-since' is not supported by forked-daapd and will be ignored\n");
}
else if (0 == strcasecmp(argv[i], "window"))
{
ret = mpd_pars_range_arg(argv[i + 1], &start_pos, &end_pos);
if (ret == 0)
{
qp->idx_type = I_SUB;
qp->limit = end_pos - start_pos;
qp->offset = start_pos;
}
else
{
DPRINTF(E_LOG, L_MPD, "Window argument doesn't convert to integer or range: '%s'\n", argv[i + 1]);
}
}
else if (0 == strcasecmp(argv[i], "artist"))
{
c1 = db_mprintf("(f.artist LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "albumartist"))
{
c1 = db_mprintf("(f.album_artist LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "album"))
{
c1 = db_mprintf("(f.album LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "title"))
{
c1 = db_mprintf("(f.title LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "genre"))
{
c1 = db_mprintf("(f.genre LIKE '%%%q%%')", argv[i + 1]);
}
else if (0 == strcasecmp(argv[i], "disc"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Disc parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.disc = %d)", num);
}
else if (0 == strcasecmp(argv[i], "track"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
DPRINTF(E_WARN, L_MPD, "Track parameter '%s' is not an integer and will be ignored\n", argv[i + 1]);
else
c1 = db_mprintf("(f.track = %d)", num);
}
else if (0 == strcasecmp(argv[i], "date"))
{
ret = safe_atou32(argv[i + 1], &num);
if (ret < 0)
c1 = db_mprintf("(f.year = 0 OR f.year IS NULL)");
else
c1 = db_mprintf("(f.year = %d)", num);
}
else
{
DPRINTF(E_WARN, L_MPD, "Parameter '%s' is not supported by forked-daapd and will be ignored\n", argv[i]);
}
if (c1)
{
if (qp->filter)
c2 = db_mprintf("%s AND %s", qp->filter, c1);
else
c2 = db_mprintf("%s", c1);
free(qp->filter);
qp->filter = c2;
c2 = NULL;
free(c1);
c1 = NULL;
}
}
return 0;
}
/*
* Command handler function for 'search'
* Lists any song that matches the given list of arguments. Arguments are pairs of TYPE and WHAT, where
@ -4386,12 +4492,10 @@ static struct mpd_command mpd_handlers[] =
.mpdcommand = "playlist",
.handler = mpd_command_playlistinfo
},
/*
{
.mpdcommand = "playlistfind",
.handler = mpd_command_playlistfind
},
*/
{
.mpdcommand = "playlistid",
.handler = mpd_command_playlistid
@ -4400,12 +4504,10 @@ static struct mpd_command mpd_handlers[] =
.mpdcommand = "playlistinfo",
.handler = mpd_command_playlistinfo
},
/*
{
.mpdcommand = "playlistsearch",
.handler = mpd_command_playlistsearch
},
*/
{
.mpdcommand = "plchanges",
.handler = mpd_command_plchanges