Playing track xyz

2:13/4:12

+ +

@@ -101,17 +107,45 @@

- - - - - - - - - - + +

+ + + + +

+ + + +

+ +

+ + + + + + + + + + + diff --git a/htdocs/js/mpd.js b/htdocs/js/mpd.js index 176ea63..4e35a64 100644 --- a/htdocs/js/mpd.js +++ b/htdocs/js/mpd.js @@ -1,58 +1,118 @@ var socket; +var last_state; -if (typeof MozWebSocket != "undefined") { - socket = new MozWebSocket(get_appropriate_ws_url(), "ympd-client"); -} else { - socket = new WebSocket(get_appropriate_ws_url(), "ympd-client"); -} +$('#volumeslider').slider().on('slide', function(event) { + socket.send("MPD_API_SET_VOLUME,"+event.value); +}); -try { - socket.onopen = function() { - console.log("Connected"); - init(); - } - - socket.onmessage =function got_packet(msg) { - console.log(msg.data); - var obj = JSON.parse(msg.data); - switch (obj.type) { - case "playlist": - for (var song in obj.data) { - var minutes = Math.floor(obj.data[song].duration / 60); - var seconds = obj.data[song].duration - minutes * 60; - - $('#salamisandwich tr:last').after( - "" + obj.data[song].id + "" + - ""+ obj.data[song].uri +"" + - ""+ obj.data[song].title.replace(/%07/g, '"') +"" + - ""+ minutes + ":" + (seconds < 10 ? '0' : '') + seconds +""); - } - break; - case "state": - $('#volumeslider').slider('setValue', obj.data.volume) - var progress = Math.floor(100*obj.data.elapsedTime/obj.data.totalTime) + "%"; - $('#progressbar').width(progress); - $('#playlist_'+obj.data.currentsongid).addClass('active'); - updatePlayIcon(obj.data.state); - updateVolumeIcon(obj.data.volume); - - break; - default: - alert("Sie bleiben leider dumm"); - break; - } +webSocketConnect(); + +function webSocketConnect() { + + if (typeof MozWebSocket != "undefined") { + socket = new MozWebSocket(get_appropriate_ws_url(), "ympd-client"); + } else { + socket = new WebSocket(get_appropriate_ws_url(), "ympd-client"); } - socket.onclose = function(){ - console.log("Disconnected"); + try { + socket.onopen = function() { + console.log("Connected"); + socket.send("MPD_API_GET_PLAYLIST"); + socket.send("MPD_API_GET_STATE"); + } + + socket.onmessage =function got_packet(msg) { + console.log(msg.data); + if(msg.data === last_state) + return; + + var obj = JSON.parse(msg.data); + switch (obj.type) { + case "playlist": + for (var song in obj.data) { + var minutes = Math.floor(obj.data[song].duration / 60); + var seconds = obj.data[song].duration - minutes * 60; + + $('#salamisandwich tr:last').after( + "" + obj.data[song].id + "" + + ""+ obj.data[song].uri +"" + + ""+ obj.data[song].title.replace(/%07/g, '"') +"" + + ""+ minutes + ":" + (seconds < 10 ? '0' : '') + seconds +""); + } + break; + case "state": + if(JSON.stringify(obj) === JSON.stringify(last_state)) + break; + + $('#volumeslider').slider('setValue', obj.data.volume); + var progress = Math.floor(100*obj.data.elapsedTime/obj.data.totalTime) + "%"; + $('#progressbar').width(progress); + $('#playlist_'+obj.data.currentsongid).addClass('success'); + if(obj.data.random) + $('#btnrandom').addClass("active") + else + $('#btnrandom').removeClass("active"); + + if(obj.data.consume) + $('#btnconsume').addClass("active") + else + $('#btnconsume').removeClass("active"); + + if(obj.data.single) + $('#btnsingle').addClass("active") + else + $('#btnsingle').removeClass("active"); + + if(obj.data.repeat) + $('#btnrepeat').addClass("active") + else + $('#btnrepeat').removeClass("active"); + + if(last_state && (obj.data.state !== last_state.data.state)) + updatePlayIcon(obj.data.state); + if(last_state && (obj.data.volume !== last_state.data.volume)) + updateVolumeIcon(obj.data.volume); + break; + case "disconnected": + $('#alert').text("Error: Connection to MPD failed."); + $('#alert').removeClass("hide alert-info").addclass("alert-danger"); + break; + + default: + break; + } + + last_state = obj; + + } + socket.onclose = function(){ + console.log("Disconnected"); + + var seconds = 5; + var tm = setInterval(disconnectAlert,1000); + + function disconnectAlert() { + $('#alert') + .text("Connection to MPD lost, retrying in " + seconds + " seconds") + .removeClass("hide alert-info") + .addClass("alert-danger"); + + if(seconds-- <= 0) { + webSocketConnect(); + seconds = 5; + $('#alert').addClass("hide"); + clearInterval(tm); + } + } + + } + + } catch(exception) { + alert('

Error' + exception); } -} catch(exception) { - alert('

Error' + exception); -} -$('#volumeslider').slider().on('slide', function(event) { - socket.send("MPD_API_SET_VOLUME,"+event.value); -}); +} function get_appropriate_ws_url() { @@ -60,9 +120,9 @@ function get_appropriate_ws_url() var u = document.URL; /* - * We open the websocket encrypted if this page came on an - * https:// url itself, otherwise unencrypted - */ + /* We open the websocket encrypted if this page came on an + /* https:// url itself, otherwise unencrypted + /*/ if (u.substring(0, 5) == "https") { pcol = "wss://"; @@ -95,26 +155,54 @@ var updateVolumeIcon = function(volume) var updatePlayIcon = function(state) { - $("#play-icon").removeClass("glyphicon-play"); - $("#play-icon").removeClass("glyphicon-pause"); - $("#play-icon").removeClass("glyphicon-stop"); - + $("#play-icon").removeClass("glyphicon-play") + .removeClass("glyphicon-pause") + .removeClass("glyphicon-stop"); + $('#track-icon').removeClass("glyphicon-play") + .removeClass("glyphicon-pause") + .removeClass("glyphicon-stop"); + if(state == 1) { $("#play-icon").addClass("glyphicon-stop"); + $('#track-icon').addClass("glyphicon-stop"); } else if(state == 2) { $("#play-icon").addClass("glyphicon-pause"); + $('#track-icon').addClass("glyphicon-play"); } else { $("#play-icon").addClass("glyphicon-play"); + $('#track-icon').addClass("glyphicon-pause"); } } +function updateDB() +{ + socket.send('MPD_API_UPDATE_DB'); -function init() { - socket.send("MPD_API_GET_PLAYLIST"); - socket.send("MPD_API_GET_STATE"); -} + $('#alert') + .text("Updating MPD Database...") + .removeClass("hide alert-danger") + .addClass("alert-info"); -function test() { - socket.send("MPD_API_GET_PLAYLIST"); + setTimeout(function() { + $('#alert').addClass("hide"); + }, 5000); } +function toggleButton(id) { + switch (obj.type) { + case "btnrandom": + socket.send("MPD_API_TOGGLE_RANDOM"); + break; + case "btnconsume": + socket.send("MPD_API_TOGGLE_CONSUME"); + break; + case "btnsingle": + socket.send("MPD_API_TOGGLE_SINGLE"); + break; + case "btnrepeat": + socket.send("MPD_API_TOGGLE_REPEAT"); + break; + default: + break; + } +} diff --git a/src/Makefile b/src/Makefile index 6ca9499..5fd83b4 100644 --- a/src/Makefile +++ b/src/Makefile @@ -1,4 +1,4 @@ -CFLAGS = -ggdb +CFLAGS = -ggdb -Wall LFLAGS = `pkg-config --libs libwebsockets libmpdclient` .PHONY: clean diff --git a/src/http_server.c b/src/http_server.c index 3e27426..638653f 100644 --- a/src/http_server.c +++ b/src/http_server.c @@ -1,5 +1,6 @@ #include #include +#include #include "http_server.h" #define INSTALL_DATADIR "/home/andy/workspace/ympd" @@ -36,9 +37,7 @@ int callback_http(struct libwebsocket_context *context, void *in, size_t len) { char buf[256]; - char leaf_path[1024]; - int n, m; - unsigned char *p; + int n; switch (reason) { case LWS_CALLBACK_HTTP: @@ -56,7 +55,9 @@ int callback_http(struct libwebsocket_context *context, case LWS_CALLBACK_HTTP_FILE_COMPLETION: /* kill the connection after we sent one file */ - return -1; + return -1; + default: + break; } return 0; diff --git a/src/main.c b/src/main.c index b017ee6..d378291 100644 --- a/src/main.c +++ b/src/main.c @@ -2,6 +2,7 @@ #include #include #include +#include #include "http_server.h" #include "mpd_client.h" @@ -95,7 +96,7 @@ int main(int argc, char **argv) * as soon as it can take more packets (usually immediately) */ - if (((unsigned int)tv.tv_usec - oldus) > 500000) { + if (((unsigned int)tv.tv_usec - oldus) > 1000 * 500) { mpd_loop(); libwebsocket_callback_on_writable_all_protocol(&protocols[1]); oldus = tv.tv_usec; @@ -105,4 +106,5 @@ int main(int argc, char **argv) } libwebsocket_context_destroy(context); -} \ No newline at end of file + return 0; +} diff --git a/src/mpd_client.c b/src/mpd_client.c index 5f5218a..e7c13f7 100644 --- a/src/mpd_client.c +++ b/src/mpd_client.c @@ -18,56 +18,57 @@ struct mpd_connection *conn = NULL; enum mpd_conn_states mpd_conn_state = MPD_DISCONNECTED; enum mpd_state mpd_play_state = MPD_STATE_UNKNOWN; -static int global_send; -callback_ympd(struct libwebsocket_context *context, +int callback_ympd(struct libwebsocket_context *context, struct libwebsocket *wsi, enum libwebsocket_callback_reasons reason, void *user, void *in, size_t len) { - int n, m; + size_t n; + int m; char *buf = NULL, *p; struct per_session_data__ympd *pss = (struct per_session_data__ympd *)user; - //if(global_send || (pss != NULL && pss->do_send)) - //{ - buf = (char *)malloc(MAX_SIZE + LWS_SEND_BUFFER_PRE_PADDING + LWS_SEND_BUFFER_POST_PADDING); - - if(buf == NULL) - return -1; - - p = &buf[LWS_SEND_BUFFER_PRE_PADDING]; - //} - switch (reason) { case LWS_CALLBACK_ESTABLISHED: - lwsl_info("callback_dumb_increment: " + lwsl_info("mpd_client: " "LWS_CALLBACK_ESTABLISHED\n"); break; case LWS_CALLBACK_SERVER_WRITEABLE: - if(pss->do_send & DO_SEND_STATE) - { + buf = (char *)malloc(MAX_SIZE + LWS_SEND_BUFFER_PRE_PADDING + LWS_SEND_BUFFER_POST_PADDING); + if(buf == NULL) { + lwsl_err("ERROR Failed allocating memory\n"); + return -1; + } + p = &buf[LWS_SEND_BUFFER_PRE_PADDING]; + + if(mpd_conn_state != MPD_CONNECTED) { + n = snprintf(p, MAX_SIZE, "{\"type\":\"disconnected\"}"); + } + else if(pss->do_send & DO_SEND_STATE) { n = mpd_put_state(p); pss->do_send &= ~DO_SEND_STATE; } - else if(pss->do_send & DO_SEND_PLAYLIST) - { + else if(pss->do_send & DO_SEND_PLAYLIST) { n = mpd_put_playlist(p); pss->do_send &= ~DO_SEND_PLAYLIST; } else if(pss->do_send & DO_SEND_TRACK_INFO) n = mpd_put_current_song(p); - else - { + else { n = mpd_put_state(p); } - m = libwebsocket_write(wsi, p, n, LWS_WRITE_TEXT); + if(n > 0) + m = libwebsocket_write(wsi, (unsigned char*)p, n, LWS_WRITE_TEXT); + if (m < n) { - lwsl_err("ERROR %d writing to socket\n", n); + lwsl_err("ERROR %d writing to socket\n", n, m); + free(buf); return -1; } + free(buf); break; case LWS_CALLBACK_RECEIVE: @@ -77,47 +78,33 @@ callback_ympd(struct libwebsocket_context *context, pss->do_send |= DO_SEND_STATE; else if(!strcmp((const char *)in, MPD_API_GET_PLAYLIST)) pss->do_send |= DO_SEND_PLAYLIST; - else if(!strcmp((const char *)in, MPD_API_SET_PAUSE)) - { + else if(!strcmp((const char *)in, MPD_API_GET_TRACK_INFO)) + pss->do_send |= DO_SEND_TRACK_INFO; + else if(!strcmp((const char *)in, MPD_API_UPDATE_DB)) { + mpd_send_update(conn, NULL); + mpd_response_finish(conn); + } + else if(!strcmp((const char *)in, MPD_API_SET_PAUSE)) { mpd_send_toggle_pause(conn); mpd_response_finish(conn); } - else if(!strcmp((const char *)in, MPD_API_SET_PREV)) - { + else if(!strcmp((const char *)in, MPD_API_SET_PREV)) { mpd_send_previous(conn); mpd_response_finish(conn); } - else if(!strcmp((const char *)in, MPD_API_SET_NEXT)) - { + else if(!strcmp((const char *)in, MPD_API_SET_NEXT)) { mpd_send_next(conn); mpd_response_finish(conn); } - else if(!strncmp((const char *)in, MPD_API_SET_VOLUME, sizeof(MPD_API_SET_VOLUME)-1)) - { + else if(!strncmp((const char *)in, MPD_API_SET_VOLUME, sizeof(MPD_API_SET_VOLUME)-1)) { unsigned int volume; if(sscanf(in, "MPD_API_SET_VOLUME,%ud", &volume) && volume < 100) - { - printf("Setting volume to %d\n", volume); mpd_run_set_volume(conn, volume); - - } } + break; - - - break; - /* - * this just demonstrates how to use the protocol filter. If you won't - * study and reject connections based on header content, you don't need - * to handle this callback - */ - - case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION: - /* you could return non-zero here and kill the connection */ - break; - - default: - break; + default: + break; } return 0; @@ -128,40 +115,44 @@ void mpd_loop() switch (mpd_conn_state) { case MPD_DISCONNECTED: /* Try to connect */ + conn = mpd_connection_new("127.0.0.1", 6600, 3000); + if (conn == NULL) { + lwsl_err("Out of memory."); + mpd_conn_state = MPD_FAILURE; + return; + } - conn = mpd_connection_new("10.23.44.2", 6600, 3000); - if (conn == NULL) { - lwsl_err("%s", "Out of memory"); - mpd_conn_state = MPD_FAILURE; - return; - } - - if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) { - lwsl_notice("MPD Connection: %s", mpd_connection_get_error_message(conn)); - mpd_conn_state = MPD_FAILURE; - return; - } + if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) { + lwsl_notice("MPD connection: %s\n", mpd_connection_get_error_message(conn)); + mpd_conn_state = MPD_FAILURE; + return; + } - mpd_conn_state = MPD_CONNECTED; - break; + lwsl_notice("MPD connected.\n"); + mpd_conn_state = MPD_CONNECTED; + break; case MPD_FAILURE: - if(conn != NULL) - mpd_connection_free(conn); - conn = NULL; - mpd_conn_state = MPD_DISCONNECTED; - break; + lwsl_notice("MPD connection failed.\n"); + + if(conn != NULL) + mpd_connection_free(conn); + conn = NULL; + mpd_conn_state = MPD_DISCONNECTED; + break; case MPD_CONNECTED: - printf("mpd connected\n"); + /* Nothing to do */ + break; } - - } const char* encode_string(const char *str) { char *ptr = (char *)str; + if(str == NULL) + return NULL; + while(*ptr++ != '\0') if(*ptr=='"') *ptr=' '; @@ -175,9 +166,9 @@ int mpd_put_state(char* buffer) status = mpd_run_status(conn); if (!status) { - lwsl_notice("MPD Status: %s", mpd_connection_get_error_message(conn)); + lwsl_err("MPD status: %s\n", mpd_connection_get_error_message(conn)); mpd_conn_state = MPD_FAILURE; - return; + return 0; } len = snprintf(buffer, MAX_SIZE, @@ -200,25 +191,28 @@ int mpd_put_state(char* buffer) printf("buffer: %s\n", buffer); mpd_status_free(status); - //printf("status: %d\n", mpd_response_finish(conn)); return len; } int mpd_put_current_song(char* buffer) { struct mpd_song *song; + int len; song = mpd_run_current_song(conn); if (song != NULL) { - sprintf(buffer, - "{\"type\": \"current_song\", \"data\": {" - " \"uri\":%s" - "}}", - mpd_song_get_uri(song) + len = snprintf(buffer, MAX_SIZE, "{\"type\": \"current_song\", \"data\": {" + "{\"id\":%d, \"uri\":\"%s\", \"duration\":%d, \"title\":\"%s\"},", + mpd_song_get_id(song), + mpd_song_get_uri(song), + mpd_song_get_duration(song), + encode_string(mpd_song_get_tag(song, MPD_TAG_TITLE, 0)) ); mpd_song_free(song); } mpd_response_finish(conn); + + return len; } int mpd_put_playlist(char* buffer) @@ -247,11 +241,10 @@ int mpd_put_playlist(char* buffer) mpd_entity_free(entity); } - //printf("status: %d\n", mpd_response_finish(conn)); /* remove last ',' */ cur--; cur += snprintf(cur, end - cur, "] }"); printf("buffer: %s\n", buffer); return cur - buffer; -} \ No newline at end of file +} diff --git a/src/mpd_client.h b/src/mpd_client.h index 673961f..5af5128 100644 --- a/src/mpd_client.h +++ b/src/mpd_client.h @@ -13,8 +13,7 @@ struct per_session_data__ympd { enum mpd_conn_states { MPD_FAILURE, MPD_DISCONNECTED, - MPD_CONNECTED, - MPD_PLAYING + MPD_CONNECTED }; #define MPD_API_GET_STATE "MPD_API_GET_STATE" @@ -29,6 +28,7 @@ enum mpd_conn_states { #define MPD_API_SET_SEEK "MPD_API_SET_SEEK" #define MPD_API_SET_NEXT "MPD_API_SET_PREV" #define MPD_API_SET_PREV "MPD_API_SET_NEXT" +#define MPD_API_UPDATE_DB "MPD_API_UPDATE_DB" @@ -37,7 +37,7 @@ int callback_ympd(struct libwebsocket_context *context, enum libwebsocket_callback_reasons reason, void *user, void *in, size_t len); -void mpd_connect(); +void mpd_loop(); int mpd_put_state(char* buffer); int mpd_put_current_song(char* buffer); int mpd_put_playlist(char* buffer); -- 2.20.1