1 /*****************************************************************************
2 * growl_udp.c : growl UDP notification plugin
3 *****************************************************************************
4 * Copyright (C) 2006 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 );
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 intf_thread_t *p_intf = (intf_thread_t *)p_this;
92 var_AddCallback( pl_Get( p_intf ), "item-current", ItemChange, p_intf );
94 RegisterToGrowl( p_this );
98 /*****************************************************************************
99 * Close: destroy interface stuff
100 *****************************************************************************/
101 static void Close( vlc_object_t *p_this )
103 var_DelCallback( pl_Get( p_this ), "item-current", ItemChange, p_this );
106 /*****************************************************************************
107 * ItemChange: Playlist item change callback
108 *****************************************************************************/
109 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
110 vlc_value_t oldval, vlc_value_t newval, void *param )
112 VLC_UNUSED(psz_var); VLC_UNUSED(oldval); VLC_UNUSED(newval);
114 char psz_tmp[GROWL_MAX_LENGTH];
115 char *psz_title = NULL;
116 char *psz_artist = NULL;
117 char *psz_album = NULL;
118 input_thread_t *p_input;
119 p_input = playlist_CurrentInput( (playlist_t*)p_this );
121 if( !p_input ) return VLC_SUCCESS;
123 char *psz_name = input_item_GetName( input_GetItem( p_input ) );
124 if( p_input->b_dead || !psz_name )
126 /* Not playing anything ... */
128 vlc_object_release( p_input );
133 /* Playing something ... */
134 input_item_t *p_item = input_GetItem( p_input );
136 psz_title = input_item_GetTitleFbName( p_item );
137 if( EMPTY_STR( psz_title ) )
140 vlc_object_release( p_input );
144 psz_artist = input_item_GetArtist( p_item );
145 if( EMPTY_STR( psz_artist ) ) FREENULL( psz_artist );
146 psz_album = input_item_GetAlbum( p_item ) ;
147 if( EMPTY_STR( psz_album ) ) FREENULL( psz_album );
149 if( psz_artist && psz_album )
150 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s\n%s [%s]",
151 psz_title, psz_artist, psz_album );
152 else if( psz_artist )
153 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s\n%s", psz_title, psz_artist );
155 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s", psz_title );
161 NotifyToGrowl( p_this, psz_tmp );
163 vlc_object_release( p_input );
167 /*****************************************************************************
168 * Growl specific functions
169 *****************************************************************************/
170 #define GROWL_PROTOCOL_VERSION (1)
171 #define GROWL_TYPE_REGISTRATION (0)
172 #define GROWL_TYPE_NOTIFICATION (1)
173 #define APPLICATION_NAME "VLC media player"
175 #define insertstrlen( psz ) \
177 uint16_t i_size = strlen( psz ); \
178 psz_encoded[i++] = (i_size>>8)&0xFF; \
179 psz_encoded[i++] = i_size&0xFF; \
181 /*****************************************************************************
183 *****************************************************************************/
184 static int RegisterToGrowl( vlc_object_t *p_this )
186 uint8_t *psz_encoded = malloc(100);
187 uint8_t i_defaults = 0;
188 static const char *psz_notifications[] = {"Now Playing", NULL};
189 bool pb_defaults[] = {true, false};
191 if( psz_encoded == NULL )
194 memset( psz_encoded, 0, sizeof(psz_encoded) );
195 psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
196 psz_encoded[i++] = GROWL_TYPE_REGISTRATION;
197 insertstrlen(APPLICATION_NAME);
199 strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
200 i += strlen(APPLICATION_NAME);
201 for( j = 0 ; psz_notifications[j] != NULL ; j++)
203 insertstrlen(psz_notifications[j]);
204 strcpy( (char*)(psz_encoded+i), psz_notifications[j] );
205 i += strlen(psz_notifications[j]);
208 for( j = 0 ; psz_notifications[j] != NULL ; j++)
209 if(pb_defaults[j] == true)
211 psz_encoded[i++] = (uint8_t)j;
214 psz_encoded[5] = i_defaults;
216 CheckAndSend(p_this, psz_encoded, i);
221 static int NotifyToGrowl( vlc_object_t *p_this, const char *psz_desc )
223 const char *psz_type = "Now Playing", *psz_title = "Now Playing";
224 uint8_t *psz_encoded = malloc(GROWL_MAX_LENGTH + 42);
227 if( psz_encoded == NULL )
230 memset( psz_encoded, 0, sizeof(psz_encoded) );
231 psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
232 psz_encoded[i++] = GROWL_TYPE_NOTIFICATION;
234 psz_encoded[i++] = (flags>>8)&0xFF;
235 psz_encoded[i++] = flags&0xFF;
236 insertstrlen(psz_type);
237 insertstrlen(psz_title);
238 insertstrlen(psz_desc);
239 insertstrlen(APPLICATION_NAME);
240 strcpy( (char*)(psz_encoded+i), psz_type );
241 i += strlen(psz_type);
242 strcpy( (char*)(psz_encoded+i), psz_title );
243 i += strlen(psz_title);
244 strcpy( (char*)(psz_encoded+i), psz_desc );
245 i += strlen(psz_desc);
246 strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
247 i += strlen(APPLICATION_NAME);
249 CheckAndSend(p_this, psz_encoded, i);
254 static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset )
258 intf_thread_t *p_intf = (intf_thread_t *)p_this;
259 char *psz_password = var_InheritString( p_intf, "growl-password" );
260 char *psz_server = var_InheritString( p_intf, "growl-server" );
261 int i_port = var_InheritInteger( p_intf, "growl-port" );
262 strcpy( (char*)(p_data+i_offset), psz_password );
263 i = i_offset + strlen(psz_password);
266 AddMD5( &md5, p_data, i );
269 for( i = 0 ; i < 4 ; i++ )
271 md5.p_digest[i] = md5.p_digest[i];
272 p_data[i_offset++] = md5.p_digest[i] &0xFF;
273 p_data[i_offset++] = (md5.p_digest[i]>> 8)&0xFF;
274 p_data[i_offset++] = (md5.p_digest[i]>>16)&0xFF;
275 p_data[i_offset++] = (md5.p_digest[i]>>24)&0xFF;
278 i_handle = net_ConnectUDP( p_this, psz_server, i_port, -1 );
281 msg_Err( p_this, "failed to open a connection (udp)" );
287 shutdown( i_handle, SHUT_RD );
288 if( send( i_handle, p_data, i_offset, 0 )
291 msg_Warn( p_this, "send error: %m" );
293 net_Close( i_handle );
300 #undef GROWL_PROTOCOL_VERSION
301 #undef GROWL_TYPE_REGISTRATION
302 #undef GROWL_TYPE_NOTIFICATION
303 #undef APPLICATION_NAME