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Code Issues Releases Wiki Activity

Fix: improve processing of mpd idle events

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This commit is contained in:
jcorporation
2018-08-22 17:29:47 +01:00
parent 17509b50da
commit b9a5c00956
3 changed files with 99 additions and 66 deletions
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1
htdocs/js/mympd.js
View File

@@ -689,6 +689,7 @@ function webSocketConnect() {
break;
case 'error':
showNotification(obj.data, '', '', 'danger');
break;
default:
break;
}

162
src/mpd_client.c
View File

@@ -48,6 +48,8 @@ static inline enum mpd_cmd_ids get_cmd_id(const char *cmd) {
return -1;
}
enum mpd_idle idle_bitmask_save = 0;
void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
size_t n = 0;
char *cmd;
@@ -57,9 +59,11 @@ void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
char *p_charbuf1, *p_charbuf2, *p_charbuf3;
struct mympd_state { int a; int b; } state = { .a = 0, .b = 0 };
enum mpd_cmd_ids cmd_id;
struct pollfd fds[1];
int pollrc;
#ifdef DEBUG
fprintf(stdout,"Got request: %s\n",msg.p);
fprintf(stdout,"Got request: %s\n", msg.p);
#endif
je = json_scanf(msg.p, msg.len, "{cmd: %Q}", &cmd);
@@ -72,8 +76,22 @@ void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
cmd_id = get_cmd_id("MPD_API_UNKNOWN");
mpd_send_noidle(mpd.conn);
//save idle events (processing later)
fds[0].fd = mpd_connection_get_fd(mpd.conn);
fds[0].events = POLLIN;
pollrc = poll(fds, 1, 100);
if (pollrc > 0) {
idle_bitmask_save = mpd_recv_idle(mpd.conn, false);
#ifdef DEBUG
if (idle_bitmask_save > 0)
fprintf(stderr, "IDLE EVENT BEFORE REQUEST: %d\n", idle_bitmask_save);
#endif
}
mpd_response_finish(mpd.conn);
//handle request
#ifdef DEBUG
fprintf(stderr, "HANDLE REQUEST: %s\n", cmd);
#endif
switch(cmd_id) {
case MPD_API_UNKNOWN:
n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Unknown request\"}");
@@ -503,7 +521,7 @@ void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
}
else {
#ifdef DEBUG
fprintf(stdout, "Send http response:\n %s\n", mpd.buf);
//fprintf(stdout, "Send http response:\n %s\n", mpd.buf);
#endif
mg_send_http_chunk(nc, mpd.buf, n);
}
@@ -521,6 +539,65 @@ void mympd_notify(struct mg_mgr *s) {
#endif
}
void mympd_parse_idle(struct mg_mgr *s, enum mpd_idle idle_bitmask) {
int len = 0;
for (unsigned j = 0;; j ++) {
enum mpd_idle idle_event = 1 << j;
const char *idle_name = mpd_idle_name(idle_event);
if (idle_name == NULL)
break;
if (idle_bitmask & idle_event) {
#ifdef DEBUG
fprintf(stderr, "IDLE: %s\n", idle_name);
#endif
switch(idle_event) {
case MPD_IDLE_DATABASE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_database\"}");
break;
case MPD_IDLE_STORED_PLAYLIST:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_stored_playlist\"}");
break;
case MPD_IDLE_QUEUE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_queue\"}");
break;
case MPD_IDLE_PLAYER:
len = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version, &mpd.queue_length);
if (config.stickers) {
mympd_count_song_id(mpd.song_id, "playCount", 1);
mympd_last_played_song_id(mpd.song_id);
}
break;
case MPD_IDLE_MIXER:
len = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version, &mpd.queue_length);
break;
case MPD_IDLE_OUTPUT:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_outputs\"}");
break;
case MPD_IDLE_OPTIONS:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_options\"}");
break;
case MPD_IDLE_UPDATE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_update\"}");
break;
case MPD_IDLE_STICKER:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_sticker\"}");
break;
case MPD_IDLE_SUBSCRIPTION:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_subscription\"}");
break;
case MPD_IDLE_MESSAGE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_message\"}");
break;
default:
len = 0;
}
if (len > 0)
mympd_notify(s);
}
}
}
void mympd_idle(struct mg_mgr *s, int timeout) {
struct pollfd fds[1];
int pollrc;
@@ -577,9 +654,24 @@ void mympd_idle(struct mg_mgr *s, int timeout) {
fds[0].fd = mpd_connection_get_fd(mpd.conn);
fds[0].events = POLLIN;
pollrc = poll(fds, 1, timeout);
if (pollrc > 0) {
if (pollrc > 0 || idle_bitmask_save > 0) {
//Handle idle event
mpd_send_noidle(mpd.conn);
mympd_parse_idle(s);
if (pollrc > 0) {
enum mpd_idle idle_bitmask = mpd_recv_idle(mpd.conn, false);
mympd_parse_idle(s, idle_bitmask);
}
else {
mpd_response_finish(mpd.conn);
}
if (idle_bitmask_save > 0) {
//Handle idle event saved in mympd_callback
#ifdef DEBUG
fprintf(stderr, "HANDLE SAVED IDLE EVENT\n");
#endif
mympd_parse_idle(s, idle_bitmask_save);
idle_bitmask_save = 0;
}
mpd_send_idle(mpd.conn);
}
break;
@@ -682,66 +774,6 @@ void mympd_last_played_song_uri(const char *uri) {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_set");
}
void mympd_parse_idle(struct mg_mgr *s) {
enum mpd_idle idle_bitmask = mpd_recv_idle(mpd.conn, false);
int len;
for (unsigned j = 0;; j ++) {
enum mpd_idle idle_event = 1 << j;
const char *idle_name = mpd_idle_name(idle_event);
if (idle_name == NULL)
break;
if (idle_bitmask & idle_event) {
#ifdef DEBUG
fprintf(stderr, "IDLE: %s\n", idle_name);
#endif
switch(idle_event) {
case MPD_IDLE_DATABASE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_database\"}");
break;
case MPD_IDLE_STORED_PLAYLIST:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_stored_playlist\"}");
break;
case MPD_IDLE_QUEUE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_queue\"}");
break;
case MPD_IDLE_PLAYER:
len = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version, &mpd.queue_length);
if (config.stickers) {
mympd_count_song_id(mpd.song_id, "playCount", 1);
mympd_last_played_song_id(mpd.song_id);
}
break;
case MPD_IDLE_MIXER:
len = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version, &mpd.queue_length);
break;
case MPD_IDLE_OUTPUT:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_outputs\"}");
break;
case MPD_IDLE_OPTIONS:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_options\"}");
break;
case MPD_IDLE_UPDATE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_update\"}");
break;
case MPD_IDLE_STICKER:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_sticker\"}");
break;
case MPD_IDLE_SUBSCRIPTION:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_subscription\"}");
break;
case MPD_IDLE_MESSAGE:
len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_message\"}");
break;
default:
len = 0;
}
if (len > 0)
mympd_notify(s);
}
}
}
char* mympd_get_tag(struct mpd_song const *song, enum mpd_tag_type tag) {
char *str;

2
src/mpd_client.h
View File

@@ -159,7 +159,7 @@ static int is_websocket(const struct mg_connection *nc) {
}
void mympd_idle(struct mg_mgr *sm, int timeout);
void mympd_parse_idle(struct mg_mgr *s);
void mympd_parse_idle(struct mg_mgr *s, enum mpd_idle idle_bitmask);
void callback_mympd(struct mg_connection *nc, const struct mg_str msg);
void mympd_notify(struct mg_mgr *s);
void mympd_count_song_id(int song_id, char *name, int value);