research.m1stereo.tv/gitweb/ - melted/blob - src/modules/valerie/consumer_valerie.c

   1 /*
   2  * consumer_westley.c -- a libxml2 serialiser of mlt service networks
   3  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
   4  * Author: Dan Dennedy <dan@dennedy.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "consumer_valerie.h"
  22 #include <valerie/valerie.h>
  23 #include <valerie/valerie_remote.h>
  24 #include <framework/mlt.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <pthread.h>
  29 #include <unistd.h>
  30
  31 static int consumer_is_stopped( mlt_consumer this );
  32 static int consumer_start( mlt_consumer this );
  33
  34 /** This is what will be called by the factory
  35 */
  36
  37 mlt_consumer consumer_valerie_init( char *arg )
  38 {
  39         // Create the consumer object
  40         mlt_consumer this = calloc( sizeof( struct mlt_consumer_s ), 1 );
  41
  42         // If no malloc'd and consumer init ok
  43         if ( this != NULL && mlt_consumer_init( this, NULL ) == 0 )
  44         {
  45                 // Allow thread to be started/stopped
  46                 this->start = consumer_start;
  47                 this->is_stopped = consumer_is_stopped;
  48
  49                 mlt_properties_set( mlt_consumer_properties( this ), "server", arg == NULL ? "localhost" : arg );
  50                 mlt_properties_set_int( mlt_consumer_properties( this ), "port", 5250 );
  51                 mlt_properties_set_int( mlt_consumer_properties( this ), "unit", 0 );
  52                 mlt_properties_set( mlt_consumer_properties( this ), "command", "append" );
  53
  54                 // Return the consumer produced
  55                 return this;
  56         }
  57
  58         // malloc or consumer init failed
  59         free( this );
  60
  61         // Indicate failure
  62         return NULL;
  63 }
  64
  65 static int consumer_start( mlt_consumer this )
  66 {
  67         // Get the producer service
  68         mlt_service service = mlt_service_producer( mlt_consumer_service( this ) );
  69
  70         // Get the properties object
  71         mlt_properties properties = mlt_consumer_properties( this );
  72
  73         // Get all the properties now
  74         char *server = mlt_properties_get( properties, "server" );
  75         int port = mlt_properties_get_int( properties, "port" );
  76         char *command = mlt_properties_get( properties, "command" );
  77         int unit = mlt_properties_get_int( properties, "unit" );
  78         char *title = mlt_properties_get( properties, "title" );
  79
  80         // If this is a reuse, then a valerie object will exist
  81         valerie connection = mlt_properties_get_data( properties, "connection", NULL );
  82
  83         if ( service != NULL )
  84         {
  85                 // Initiate the connection if required
  86                 if ( connection == NULL )
  87                 {
  88                         valerie_parser parser = valerie_parser_init_remote( server, port );
  89                         connection = valerie_init( parser );
  90                         if ( valerie_connect( connection ) == valerie_ok )
  91                         {
  92                                 mlt_properties_set_data( properties, "connection", connection, 0, ( mlt_destructor )valerie_close, NULL );
  93                                 mlt_properties_set_data( properties, "parser", parser, 0, ( mlt_destructor )valerie_parser_close, NULL );
  94                         }
  95                         else
  96                         {
  97                                 fprintf( stderr, "Unable to connect to the server at %s:%d\n", server, port );
  98                                 valerie_close( connection );
  99                                 valerie_parser_close( parser );
 100                                 connection = NULL;
 101                         }
 102                 }
 103
 104                 // If we have connection, push the service over
 105                 if ( connection != NULL )
 106                 {
 107                         int error;
 108
 109                         // Set the title if provided
 110                         if ( title != NULL )
 111                                 mlt_properties_set( mlt_service_properties( service ), "title", title );
 112                         else if ( mlt_properties_get( mlt_service_properties( service ), "title" ) == NULL )
 113                                 mlt_properties_set( mlt_service_properties( service ), "title", "Anonymous Submission" );
 114
 115                         // Push the service
 116                         error = valerie_unit_push( connection, unit, command, service );
 117
 118                         // Report error
 119                         if ( error != valerie_ok )
 120                                 fprintf( stderr, "Push failed on %s:%d %s u%d (%d)\n", server, port, command, unit, error );
 121                 }
 122         }
 123
 124         mlt_consumer_stop( this );
 125         mlt_consumer_stopped( this );
 126
 127         return 0;
 128 }
 129
 130 static int consumer_is_stopped( mlt_consumer this )
 131 {
 132         return 1;
 133 }