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Code Issues Releases Wiki Activity

fix buttons, added auto-reconnect, code cleanup

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This commit is contained in:
Andrew Karpow 2013-11-05 14:59:12 +01:00
parent d194c8439a
commit be6d0ddfb3
8 changed files with 365 additions and 232 deletions
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17
htdocs/css/starter-template.css
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@ -1,7 +1,22 @@
body { body {
padding-top: 50px; padding-top: 50px;
padding-bottom: 50px;
} }
.starter-template { .starter-template {
padding: 40px 15px; padding: 40px 15px;
max-width: 800px; }
.slider.slider-horizontal {
height: 15px;
}
.slider.slider-horizontal .slider-track {
height: 10px;
margin-top: -6px;
}
.progress {
margin-top: 0px;
margin-bottom: 0px;
} }

186
htdocs/index.html
View File

@ -13,79 +13,85 @@
<link href="css/bootstrap.css" rel="stylesheet"> <link href="css/bootstrap.css" rel="stylesheet">
<!-- Custom styles for this template --> <!-- Custom styles for this template -->
<link href="css/starter-template.css" rel="stylesheet">
<link href="css/slider.css" rel="stylesheet"> <link href="css/slider.css" rel="stylesheet">
<link href="css/starter-template.css" rel="stylesheet">
<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries --> <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]> <!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script> <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script> <script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
<![endif]--> <![endif]-->
</head> </head>
<body> <body>
<div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">ympd</a>
</div>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Playlist</a></li>
<li><a href="#about">Browse</a></li>
<li><a href="#contact">About</a></li>
</ul>
<form class="navbar-form navbar-right" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">
<span class="glyphicon glyphicon-search"></span>
</button>
</form>
<div class="btn-toolbar navbar-btn navbar-right" role="toolbar">
<div class="btn-group">
<button type="button" class="btn btn-default">
<span class="glyphicon glyphicon-backward" onclick="socket.send('MPD_API_SET_NEXT')"></span>
</button>
<button type="button" class="btn btn-default" onclick="socket.send('MPD_API_SET_PAUSE')">
<span id="play-icon" class="glyphicon glyphicon-pause"></span>
</button>
<button type="button" class="btn btn-default" onclick="socket.send('MPD_API_SET_PREV')">
<span class="glyphicon glyphicon-forward"></span>
</button>
</div>
<div class="btn-group">
<button type="button" class="btn btn-toolbar btn-default">
<span id="volume-icon" class="glyphicon glyphicon-volume-up"></span>
<input type="text" class="span2" value="0" data-slider-min="0" data-slider-max="100" data-slider-step="5" id="volumeslider" data-slider-tooltip="hide">
</button>
</div>
</div>
</div><!--/.nav-collapse -->
</div>
</div>
<div class="progress progress-striped active">
<div id="progressbar" class="progress-bar" role="progressbar" aria-valuenow="45" aria-valuemin="0" aria-valuemax="100" style="width: 45%">
<span class="sr-only">60% Complete</span>
</div>
</div>
<div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container"> <div class="container">
<div class="starter-template"> <div class="navbar-header">
<div class="panel panel-default"> <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">ympd</a>
</div>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Playlist</a></li>
<li><a href="#about">Browse</a></li>
<li><a href="#contact">About</a></li>
</ul>
<form class="navbar-form navbar-right" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">
<span class="glyphicon glyphicon-search"></span>
</button>
</form>
<div class="btn-toolbar navbar-btn navbar-right" role="toolbar">
<div class="btn-group">
<button type="button" class="btn btn-default">
<span class="glyphicon glyphicon-backward" onclick="socket.send('MPD_API_SET_NEXT')"></span>
</button>
<button type="button" class="btn btn-default" onclick="socket.send('MPD_API_SET_PAUSE')">
<span id="play-icon" class="glyphicon glyphicon-pause"></span>
</button>
<button type="button" class="btn btn-default" onclick="socket.send('MPD_API_SET_PREV')">
<span class="glyphicon glyphicon-forward"></span>
</button>
</div>
<div class="btn-group">
<button type="button" class="btn btn-toolbar btn-default">
<span id="volume-icon" class="glyphicon glyphicon-volume-up"></span>
&nbsp;&nbsp;
<input type="text" class="span2" value="0" data-slider-min="0" data-slider-max="100" data-slider-step="5" id="volumeslider" data-slider-tooltip="hide">
</button>
</div>
</div>
</div><!--/.nav-collapse -->
</div>
</div>
<div class="container starter-template">
<div class="row">
<div class="col-md-10">
<div id="alert" class="alert hide"></div>
<div class="panel panel-primary">
<!-- Default panel contents --> <!-- Default panel contents -->
<div class="panel-heading">Playlist</div> <div class="panel-heading">Playlist</div>
<div class="panel-body">
<h2><span id="track-icon" class="glyphicon glyphicon-play"></span> Playing track xyz</h2>
<p class="text pull-right">&nbsp;&nbsp;2:13/4:12</p>
<div class="progress progress-striped active">
<div id="progressbar" class="progress-bar navbar-left" role="progressbar" aria-valuenow="45" aria-valuemin="0" aria-valuemax="100">
</div>
</div>
</div>
<!-- Table --> <!-- Table -->
<table id="salamisandwich" class="table"> <table id="salamisandwich" class="table">
@ -101,17 +107,45 @@
</tbody> </tbody>
</table> </table>
</div> </div>
</div> </div>
</div><!-- /.container -->
<div class="col-md-2" >
<div data-spy="affix">
<div class="btn-group-vertical btn-block btn-group-lg" data-toggle="buttons">
<button id="btnrandom" type="button" class="btn btn-default" onclick="toggleButton(this.id)">
<span class="glyphicon glyphicon-random"></span> Random
</button>
<button id="btnconsume" type="button" class="btn btn-default" onclick="toggleButton(this.id)">
<span class="glyphicon glyphicon-fire"></span> Consume
</button>
<button id="btnsingle" type="button" class="btn btn-default" onclick="toggleButton(this.id)">
<span class="glyphicon glyphicon-star"></span> Single
</button>
<button id="btnrepeat" type="button" class="btn btn-default" onclick="toggleButton(this.id)">
<span class="glyphicon glyphicon-repeat"></span> Repeat
</button>
</div>
<button type="button" class="btn btn-block btn-default btn-lg dropdown-toggle" data-toggle="dropdown">
<span class="glyphicon glyphicon-wrench"></span> Options <span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li><a href="#" onclick="updateDB()"><span class="glyphicon glyphicon-refresh"></span> Update Database</a></li>
</ul>
</div>
</div><!-- /.col-md-2 -->
</div><!-- /.row -->
</div><!-- /.container -->
<!-- Bootstrap core JavaScript
================================================== --> <!-- Bootstrap core JavaScript
<!-- Placed at the end of the document so the pages load faster --> ================================================== -->
<script src="js/jquery-1.10.2.min.js"></script> <!-- Placed at the end of the document so the pages load faster -->
<script src="js/bootstrap.min.js"></script> <script src="js/jquery-1.10.2.min.js"></script>
<script src="js/bootstrap-slider.js"></script> <script src="js/bootstrap.min.js"></script>
<script src="js/mpd.js"></script> <script src="js/bootstrap-slider.js"></script>
</body> <script src="js/mpd.js"></script>
</html> </body>
</html>

216
htdocs/js/mpd.js
View File

@ -1,68 +1,128 @@
var socket; 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");
}
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(
"<tr id=\"playlist_" + obj.data[song].id + "\"><td>" + obj.data[song].id + "</td>" +
"<td>"+ obj.data[song].uri +"</td>" +
"<td>"+ obj.data[song].title.replace(/%07/g, '"') +"</td>" +
"<td>"+ minutes + ":" + (seconds < 10 ? '0' : '') + seconds +"</td></tr>");
}
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;
}
}
socket.onclose = function(){
console.log("Disconnected");
}
} catch(exception) {
alert('<p>Error' + exception);
}
$('#volumeslider').slider().on('slide', function(event) { $('#volumeslider').slider().on('slide', function(event) {
socket.send("MPD_API_SET_VOLUME,"+event.value); socket.send("MPD_API_SET_VOLUME,"+event.value);
}); });
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");
}
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(
"<tr id=\"playlist_" + obj.data[song].id + "\"><td>" + obj.data[song].id + "</td>" +
"<td>"+ obj.data[song].uri +"</td>" +
"<td>"+ obj.data[song].title.replace(/%07/g, '"') +"</td>" +
"<td>"+ minutes + ":" + (seconds < 10 ? '0' : '') + seconds +"</td></tr>");
}
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('<p>Error' + exception);
}
}
function get_appropriate_ws_url() function get_appropriate_ws_url()
{ {
var pcol; var pcol;
var u = document.URL; var u = document.URL;
/* /*
* We open the websocket encrypted if this page came on an /* We open the websocket encrypted if this page came on an
* https:// url itself, otherwise unencrypted /* https:// url itself, otherwise unencrypted
*/ /*/
if (u.substring(0, 5) == "https") { if (u.substring(0, 5) == "https") {
pcol = "wss://"; pcol = "wss://";
@ -95,26 +155,54 @@ var updateVolumeIcon = function(volume)
var updatePlayIcon = function(state) var updatePlayIcon = function(state)
{ {
$("#play-icon").removeClass("glyphicon-play"); $("#play-icon").removeClass("glyphicon-play")
$("#play-icon").removeClass("glyphicon-pause"); .removeClass("glyphicon-pause")
$("#play-icon").removeClass("glyphicon-stop"); .removeClass("glyphicon-stop");
$('#track-icon').removeClass("glyphicon-play")
.removeClass("glyphicon-pause")
.removeClass("glyphicon-stop");
if(state == 1) { if(state == 1) {
$("#play-icon").addClass("glyphicon-stop"); $("#play-icon").addClass("glyphicon-stop");
$('#track-icon').addClass("glyphicon-stop");
} else if(state == 2) { } else if(state == 2) {
$("#play-icon").addClass("glyphicon-pause"); $("#play-icon").addClass("glyphicon-pause");
$('#track-icon').addClass("glyphicon-play");
} else { } else {
$("#play-icon").addClass("glyphicon-play"); $("#play-icon").addClass("glyphicon-play");
$('#track-icon').addClass("glyphicon-pause");
} }
} }
function updateDB()
{
socket.send('MPD_API_UPDATE_DB');
function init() { $('#alert')
socket.send("MPD_API_GET_PLAYLIST"); .text("Updating MPD Database...")
socket.send("MPD_API_GET_STATE"); .removeClass("hide alert-danger")
.addClass("alert-info");
setTimeout(function() {
$('#alert').addClass("hide");
}, 5000);
} }
function test() { function toggleButton(id) {
socket.send("MPD_API_GET_PLAYLIST"); 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;
}
} }

2
src/Makefile
View File

@ -1,4 +1,4 @@
CFLAGS = -ggdb CFLAGS = -ggdb -Wall
LFLAGS = `pkg-config --libs libwebsockets libmpdclient` LFLAGS = `pkg-config --libs libwebsockets libmpdclient`
.PHONY: clean .PHONY: clean

9
src/http_server.c
View File

@ -1,5 +1,6 @@
#include <libwebsockets.h> #include <libwebsockets.h>
#include <stdio.h> #include <stdio.h>
#include <string.h>
#include "http_server.h" #include "http_server.h"
#define INSTALL_DATADIR "/home/andy/workspace/ympd" #define INSTALL_DATADIR "/home/andy/workspace/ympd"
@ -36,9 +37,7 @@ int callback_http(struct libwebsocket_context *context,
void *in, size_t len) void *in, size_t len)
{ {
char buf[256]; char buf[256];
char leaf_path[1024]; int n;
int n, m;
unsigned char *p;
switch (reason) { switch (reason) {
case LWS_CALLBACK_HTTP: case LWS_CALLBACK_HTTP:
@ -56,7 +55,9 @@ int callback_http(struct libwebsocket_context *context,
case LWS_CALLBACK_HTTP_FILE_COMPLETION: case LWS_CALLBACK_HTTP_FILE_COMPLETION:
/* kill the connection after we sent one file */ /* kill the connection after we sent one file */
return -1; return -1;
default:
break;
} }
return 0; return 0;

6
src/main.c
View File

@ -2,6 +2,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <stdio.h> #include <stdio.h>
#include <sys/time.h>
#include "http_server.h" #include "http_server.h"
#include "mpd_client.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) * 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(); mpd_loop();
libwebsocket_callback_on_writable_all_protocol(&protocols[1]); libwebsocket_callback_on_writable_all_protocol(&protocols[1]);
oldus = tv.tv_usec; oldus = tv.tv_usec;
@ -105,4 +106,5 @@ int main(int argc, char **argv)
} }
libwebsocket_context_destroy(context); libwebsocket_context_destroy(context);
} return 0;
}

155
src/mpd_client.c
View File

@ -18,56 +18,57 @@
struct mpd_connection *conn = NULL; struct mpd_connection *conn = NULL;
enum mpd_conn_states mpd_conn_state = MPD_DISCONNECTED; enum mpd_conn_states mpd_conn_state = MPD_DISCONNECTED;
enum mpd_state mpd_play_state = MPD_STATE_UNKNOWN; 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, struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason, enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len) void *user, void *in, size_t len)
{ {
int n, m; size_t n;
int m;
char *buf = NULL, *p; char *buf = NULL, *p;
struct per_session_data__ympd *pss = (struct per_session_data__ympd *)user; 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) { switch (reason) {
case LWS_CALLBACK_ESTABLISHED: case LWS_CALLBACK_ESTABLISHED:
lwsl_info("callback_dumb_increment: " lwsl_info("mpd_client: "
"LWS_CALLBACK_ESTABLISHED\n"); "LWS_CALLBACK_ESTABLISHED\n");
break; break;
case LWS_CALLBACK_SERVER_WRITEABLE: 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); n = mpd_put_state(p);
pss->do_send &= ~DO_SEND_STATE; 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); n = mpd_put_playlist(p);
pss->do_send &= ~DO_SEND_PLAYLIST; pss->do_send &= ~DO_SEND_PLAYLIST;
} }
else if(pss->do_send & DO_SEND_TRACK_INFO) else if(pss->do_send & DO_SEND_TRACK_INFO)
n = mpd_put_current_song(p); n = mpd_put_current_song(p);
else else {
{
n = mpd_put_state(p); 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) { 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; return -1;
} }
free(buf);
break; break;
case LWS_CALLBACK_RECEIVE: case LWS_CALLBACK_RECEIVE:
@ -77,47 +78,33 @@ callback_ympd(struct libwebsocket_context *context,
pss->do_send |= DO_SEND_STATE; pss->do_send |= DO_SEND_STATE;
else if(!strcmp((const char *)in, MPD_API_GET_PLAYLIST)) else if(!strcmp((const char *)in, MPD_API_GET_PLAYLIST))
pss->do_send |= DO_SEND_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_send_toggle_pause(conn);
mpd_response_finish(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_send_previous(conn);
mpd_response_finish(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_send_next(conn);
mpd_response_finish(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; unsigned int volume;
if(sscanf(in, "MPD_API_SET_VOLUME,%ud", &volume) && volume < 100) if(sscanf(in, "MPD_API_SET_VOLUME,%ud", &volume) && volume < 100)
{
printf("Setting volume to %d\n", volume);
mpd_run_set_volume(conn, volume); mpd_run_set_volume(conn, volume);
}
} }
break;
default:
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;
} }
return 0; return 0;
@ -128,40 +115,44 @@ void mpd_loop()
switch (mpd_conn_state) { switch (mpd_conn_state) {
case MPD_DISCONNECTED: case MPD_DISCONNECTED:
/* Try to connect */ /* 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 (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) {
if (conn == NULL) { lwsl_notice("MPD connection: %s\n", mpd_connection_get_error_message(conn));
lwsl_err("%s", "Out of memory"); mpd_conn_state = MPD_FAILURE;
mpd_conn_state = MPD_FAILURE; return;
return; }
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) { lwsl_notice("MPD connected.\n");
lwsl_notice("MPD Connection: %s", mpd_connection_get_error_message(conn)); mpd_conn_state = MPD_CONNECTED;
mpd_conn_state = MPD_FAILURE; break;
return;
}
mpd_conn_state = MPD_CONNECTED;
break;
case MPD_FAILURE: case MPD_FAILURE:
if(conn != NULL) lwsl_notice("MPD connection failed.\n");
mpd_connection_free(conn);
conn = NULL; if(conn != NULL)
mpd_conn_state = MPD_DISCONNECTED; mpd_connection_free(conn);
break; conn = NULL;
mpd_conn_state = MPD_DISCONNECTED;
break;
case MPD_CONNECTED: case MPD_CONNECTED:
printf("mpd connected\n"); /* Nothing to do */
break;
} }
} }
const char* encode_string(const char *str) const char* encode_string(const char *str)
{ {
char *ptr = (char *)str; char *ptr = (char *)str;
if(str == NULL)
return NULL;
while(*ptr++ != '\0') while(*ptr++ != '\0')
if(*ptr=='"') if(*ptr=='"')
*ptr=' '; *ptr=' ';
@ -175,9 +166,9 @@ int mpd_put_state(char* buffer)
status = mpd_run_status(conn); status = mpd_run_status(conn);
if (!status) { 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; mpd_conn_state = MPD_FAILURE;
return; return 0;
} }
len = snprintf(buffer, MAX_SIZE, len = snprintf(buffer, MAX_SIZE,
@ -200,25 +191,28 @@ int mpd_put_state(char* buffer)
printf("buffer: %s\n", buffer); printf("buffer: %s\n", buffer);
mpd_status_free(status); mpd_status_free(status);
//printf("status: %d\n", mpd_response_finish(conn));
return len; return len;
} }
int mpd_put_current_song(char* buffer) int mpd_put_current_song(char* buffer)
{ {
struct mpd_song *song; struct mpd_song *song;
int len;
song = mpd_run_current_song(conn); song = mpd_run_current_song(conn);
if (song != NULL) { if (song != NULL) {
sprintf(buffer, len = snprintf(buffer, MAX_SIZE, "{\"type\": \"current_song\", \"data\": {"
"{\"type\": \"current_song\", \"data\": {" "{\"id\":%d, \"uri\":\"%s\", \"duration\":%d, \"title\":\"%s\"},",
" \"uri\":%s" mpd_song_get_id(song),
"}}", mpd_song_get_uri(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_song_free(song);
} }
mpd_response_finish(conn); mpd_response_finish(conn);
return len;
} }
int mpd_put_playlist(char* buffer) int mpd_put_playlist(char* buffer)
@ -247,11 +241,10 @@ int mpd_put_playlist(char* buffer)
mpd_entity_free(entity); mpd_entity_free(entity);
} }
//printf("status: %d\n", mpd_response_finish(conn));
/* remove last ',' */ /* remove last ',' */
cur--; cur--;
cur += snprintf(cur, end - cur, "] }"); cur += snprintf(cur, end - cur, "] }");
printf("buffer: %s\n", buffer); printf("buffer: %s\n", buffer);
return cur - buffer; return cur - buffer;
} }

6
src/mpd_client.h
View File

@ -13,8 +13,7 @@ struct per_session_data__ympd {
enum mpd_conn_states { enum mpd_conn_states {
MPD_FAILURE, MPD_FAILURE,
MPD_DISCONNECTED, MPD_DISCONNECTED,
MPD_CONNECTED, MPD_CONNECTED
MPD_PLAYING
}; };
#define MPD_API_GET_STATE "MPD_API_GET_STATE" #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_SEEK "MPD_API_SET_SEEK"
#define MPD_API_SET_NEXT "MPD_API_SET_PREV" #define MPD_API_SET_NEXT "MPD_API_SET_PREV"
#define MPD_API_SET_PREV "MPD_API_SET_NEXT" #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, enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len); void *user, void *in, size_t len);
void mpd_connect(); void mpd_loop();
int mpd_put_state(char* buffer); int mpd_put_state(char* buffer);
int mpd_put_current_song(char* buffer); int mpd_put_current_song(char* buffer);
int mpd_put_playlist(char* buffer); int mpd_put_playlist(char* buffer);