1 /*****************************************************************************
2 * growl_udp.c : growl UDP notification plugin
3 *****************************************************************************
4 * Copyright (C) 2006 - 2010 the VideoLAN team
7 * Authors: Jérôme Decoodt <djc -at- videolan -dot- org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_interface.h>
35 #include <vlc_playlist.h>
37 #include <vlc_network.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close ( vlc_object_t * );
46 static int ItemChange( vlc_object_t *, const char *,
47 vlc_value_t, vlc_value_t, void * );
49 static int RegisterToGrowl( vlc_object_t *p_this );
50 static int NotifyToGrowl( vlc_object_t *p_this, const char *psz_desc );
51 static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset, size_t is_ze );
52 #define GROWL_MAX_LENGTH 256
54 /*****************************************************************************
56 ****************************************************************************/
58 #define SERVER_DEFAULT "127.0.0.1"
59 #define SERVER_TEXT N_("Server")
60 #define SERVER_LONGTEXT N_("This is the host to which Growl notifications " \
61 "will be sent. By default, notifications are sent locally." )
62 #define PASS_DEFAULT ""
63 #define PASS_TEXT N_("Password")
64 #define PASS_LONGTEXT N_("Growl password on the Growl server.")
65 #define PORT_TEXT N_("UDP port")
66 #define PORT_LONGTEXT N_("Growl UDP port on the Growl server.")
69 set_category( CAT_INTERFACE )
70 set_subcategory( SUBCAT_INTERFACE_CONTROL )
71 set_shortname( "Growl-UDP" )
72 set_description( N_("Growl UDP Notification Plugin") )
74 add_string( "growl-server", SERVER_DEFAULT, NULL,
75 SERVER_TEXT, SERVER_LONGTEXT, false )
76 add_password( "growl-password", PASS_DEFAULT, NULL,
77 PASS_TEXT, PASS_LONGTEXT, false )
78 add_integer( "growl-port", 9887, NULL,
79 PORT_TEXT, PORT_LONGTEXT, true )
81 set_capability( "interface", 0 )
82 set_callbacks( Open, Close )
85 /*****************************************************************************
86 * Open: initialize and create stuff
87 *****************************************************************************/
88 static int Open( vlc_object_t *p_this )
90 var_AddCallback( pl_Get( p_this ), "item-current", ItemChange, p_this );
91 RegisterToGrowl( p_this );
95 /*****************************************************************************
96 * Close: destroy interface stuff
97 *****************************************************************************/
98 static void Close( vlc_object_t *p_this )
100 var_DelCallback( pl_Get( p_this ), "item-current", ItemChange, p_this );
103 /*****************************************************************************
104 * ItemChange: Playlist item change callback
105 *****************************************************************************/
106 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
107 vlc_value_t oldval, vlc_value_t newval, void *param )
109 VLC_UNUSED(psz_var); VLC_UNUSED(oldval); VLC_UNUSED(newval);
111 char psz_tmp[GROWL_MAX_LENGTH];
112 char *psz_title = NULL;
113 char *psz_artist = NULL;
114 char *psz_album = NULL;
115 input_thread_t *p_input;
116 p_input = playlist_CurrentInput( (playlist_t*)p_this );
118 if( !p_input ) return VLC_SUCCESS;
120 char *psz_name = input_item_GetName( input_GetItem( p_input ) );
121 if( p_input->b_dead || !psz_name )
123 /* Not playing anything ... */
125 vlc_object_release( p_input );
130 /* Playing something ... */
131 input_item_t *p_item = input_GetItem( p_input );
133 psz_title = input_item_GetTitleFbName( p_item );
134 if( EMPTY_STR( psz_title ) )
137 vlc_object_release( p_input );
141 psz_artist = input_item_GetArtist( p_item );
142 if( EMPTY_STR( psz_artist ) ) FREENULL( psz_artist );
143 psz_album = input_item_GetAlbum( p_item ) ;
144 if( EMPTY_STR( psz_album ) ) FREENULL( psz_album );
146 if( psz_artist && psz_album )
147 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s\n%s [%s]",
148 psz_title, psz_artist, psz_album );
149 else if( psz_artist )
150 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s\n%s", psz_title, psz_artist );
152 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s", psz_title );
158 NotifyToGrowl( p_this, psz_tmp );
160 vlc_object_release( p_input );
164 /*****************************************************************************
165 * Growl specific functions
166 *****************************************************************************/
167 #define GROWL_PROTOCOL_VERSION (1)
168 #define GROWL_TYPE_REGISTRATION (0)
169 #define GROWL_TYPE_NOTIFICATION (1)
170 #define APPLICATION_NAME "VLC media player"
172 #define insertstrlen( psz ) \
174 uint16_t i_size = strlen( psz ); \
175 psz_encoded[i++] = (i_size>>8)&0xFF; \
176 psz_encoded[i++] = i_size&0xFF; \
178 /*****************************************************************************
180 *****************************************************************************/
181 static int RegisterToGrowl( vlc_object_t *p_this )
183 uint8_t *psz_encoded = calloc( 100, 1 );
184 uint8_t i_defaults = 0;
185 static const char *psz_notifications[] = {"Now Playing", NULL};
186 bool pb_defaults[] = {true, false};
188 if( psz_encoded == NULL )
191 psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
192 psz_encoded[i++] = GROWL_TYPE_REGISTRATION;
193 insertstrlen(APPLICATION_NAME);
195 strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
196 i += strlen(APPLICATION_NAME);
197 for( j = 0 ; psz_notifications[j] != NULL ; j++)
199 insertstrlen(psz_notifications[j]);
200 strcpy( (char*)(psz_encoded+i), psz_notifications[j] );
201 i += strlen(psz_notifications[j]);
204 for( j = 0 ; psz_notifications[j] != NULL ; j++)
206 if(pb_defaults[j] == true)
208 psz_encoded[i++] = (uint8_t)j;
212 psz_encoded[5] = i_defaults;
214 CheckAndSend(p_this, psz_encoded, i, 100);
219 static int NotifyToGrowl( vlc_object_t *p_this, const char *psz_desc )
221 const char *psz_type = "Now Playing", *psz_title = "Now Playing";
222 uint8_t *psz_encoded = calloc(GROWL_MAX_LENGTH + 42, 1);
225 if( psz_encoded == NULL )
228 psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
229 psz_encoded[i++] = GROWL_TYPE_NOTIFICATION;
231 psz_encoded[i++] = (flags>>8)&0xFF;
232 psz_encoded[i++] = flags&0xFF;
233 insertstrlen(psz_type);
234 insertstrlen(psz_title);
235 insertstrlen(psz_desc);
236 insertstrlen(APPLICATION_NAME);
237 strcpy( (char*)(psz_encoded+i), psz_type );
238 i += strlen(psz_type);
239 strcpy( (char*)(psz_encoded+i), psz_title );
240 i += strlen(psz_title);
241 strcpy( (char*)(psz_encoded+i), psz_desc );
242 i += strlen(psz_desc);
243 strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
244 i += strlen(APPLICATION_NAME);
246 CheckAndSend(p_this, psz_encoded, i, GROWL_MAX_LENGTH + 42);
251 static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset, size_t i_size )
255 char *psz_password = var_InheritString( p_this, "growl-password" );
256 char *psz_server = var_InheritString( p_this, "growl-server" );
257 int i_port = var_InheritInteger( p_this, "growl-port" );
259 if(!psz_password || !psz_server)
262 int i_password_length = strlen( psz_password );
263 // Check that the buffer is larger enought for the string and the md5
264 if( i_offset + i_password_length + 4*4 >= i_size )
267 strcpy( (char*)(p_data+i_offset), psz_password );
270 AddMD5( &md5, p_data, i_offset + i_password_length );
273 for( int i = 0 ; i < 4 ; i++ )
275 p_data[i_offset++] = md5.p_digest[i] &0xFF;
276 p_data[i_offset++] = (md5.p_digest[i]>> 8)&0xFF;
277 p_data[i_offset++] = (md5.p_digest[i]>>16)&0xFF;
278 p_data[i_offset++] = (md5.p_digest[i]>>24)&0xFF;
281 i_handle = net_ConnectUDP( p_this, psz_server, i_port, -1 );
284 msg_Err( p_this, "failed to open a connection (udp)" );
288 shutdown( i_handle, SHUT_RD );
289 if( send( i_handle, p_data, i_offset, 0 ) == -1 )
291 msg_Warn( p_this, "send error: %m" );
293 net_Close( i_handle );
300 free( psz_password );
305 #undef GROWL_PROTOCOL_VERSION
306 #undef GROWL_TYPE_REGISTRATION
307 #undef GROWL_TYPE_NOTIFICATION
308 #undef APPLICATION_NAME