diff -r 000000000000 -r 64ded911540b branches/gmyth-0.1b/src/gmyth_livetv.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/branches/gmyth-0.1b/src/gmyth_livetv.c	Thu Feb 08 22:03:26 2007 +0000
@@ -0,0 +1,668 @@
+/**
+ * GMyth Library
+ *
+ * @file gmyth/gmyth_livetv.c
+ * 
+ * @brief <p> GMythLiveTV starts a remote TV session with the MythTV backend.
+ *
+ * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.
+ * @author Rosfran Lins Borges <rosfran.borges@indt.org.br>
+ *
+ *//*
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+  
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gmyth_livetv.h" 
+#include "gmyth_remote_util.h"
+#include "gmyth_tvchain.h"
+#include "gmyth_socket.h"
+#include "gmyth_backendinfo.h"
+#include "gmyth_debug.h"
+
+#include "gmyth_file_transfer.h"
+#include "gmyth_monitor_handler.h"
+
+static void gmyth_livetv_class_init          (GMythLiveTVClass *klass);
+static void gmyth_livetv_init                (GMythLiveTV *object);
+
+static void gmyth_livetv_dispose  (GObject *object);
+static void gmyth_livetv_finalize (GObject *object);
+
+static gint tvchain_curr_index = -1; 
+
+static GStaticMutex lock = G_STATIC_MUTEX_INIT;
+
+#define GMYTHTV_TRANSFER_MAX_WAITS	    100
+
+G_DEFINE_TYPE(GMythLiveTV, gmyth_livetv, G_TYPE_OBJECT)
+
+static void
+gmyth_livetv_class_init (GMythLiveTVClass *klass)
+{
+	GObjectClass *gobject_class;
+
+	gobject_class = (GObjectClass *) klass;
+
+	gobject_class->dispose  = gmyth_livetv_dispose;
+	gobject_class->finalize = gmyth_livetv_finalize;	
+}
+
+static void
+gmyth_livetv_init (GMythLiveTV *livetv)
+{
+	livetv->backend_info = NULL;
+	livetv->local_hostname = NULL;
+	livetv->file_transfer = NULL;
+	livetv->setup_done = FALSE;
+
+	livetv->recorder = NULL;
+	livetv->tvchain = NULL;
+	livetv->proginfo = NULL;
+	livetv->uri = NULL;
+
+}
+
+static void
+gmyth_livetv_dispose  (GObject *object)
+{
+	G_OBJECT_CLASS (gmyth_livetv_parent_class)->dispose (object);
+}
+
+static void
+gmyth_livetv_finalize (GObject *object)
+{
+	g_signal_handlers_destroy (object);
+
+	GMythLiveTV *livetv = GMYTH_LIVETV (object);
+
+	gmyth_debug ("Finalizing livetv");
+
+	if ( livetv->monitor != NULL ) {
+		g_object_unref (livetv->monitor);
+		livetv->monitor = NULL;
+	}
+
+	if ( livetv->recorder != NULL ) {
+		g_object_unref (livetv->recorder);
+		livetv->recorder = NULL;
+	}
+
+	if ( livetv->tvchain != NULL ) {
+		g_object_unref (livetv->tvchain);
+		livetv->tvchain = NULL;
+	}
+
+	if ( livetv->proginfo != NULL ) {
+		g_object_unref (livetv->proginfo);
+		livetv->proginfo = NULL;
+	}
+	
+	if ( livetv->file_transfer != NULL ) {
+		g_object_unref (livetv->file_transfer);
+		livetv->file_transfer = NULL;
+	}
+	
+	if ( livetv->backend_info != NULL ) {
+		g_object_unref (livetv->backend_info);
+		livetv->backend_info = NULL;
+	}
+	
+	if ( livetv->uri != NULL )
+	{
+		g_object_unref (livetv->uri);
+		livetv->uri = NULL;
+	}
+
+	G_OBJECT_CLASS ( gmyth_livetv_parent_class )->finalize ( object );
+}
+
+GMythLiveTV*
+gmyth_livetv_new ()
+{
+	GMythLiveTV *livetv = GMYTH_LIVETV ( g_object_new( GMYTH_LIVETV_TYPE, NULL ) );
+
+	return livetv;
+}
+
+static void
+gmyth_livetv_monitor_signal_handler( GMythMonitorHandler *monitor, gint msg_code, 
+							gchar* message, gpointer user_data )
+{
+	GMythLiveTV *live_tv = GMYTH_LIVETV ( user_data );
+	//g_object_ref( live_tv );
+	
+	gmyth_debug( "LIVETV Signal handler ( msg = %s, code = %d, live_tv param = %s, user_data = %s )\n", message, msg_code, live_tv != NULL ? "" : 
+					"NULL", user_data != NULL ? "" : "NULL" );
+	
+	if ( NULL == live_tv )
+	{
+		gmyth_debug( "LiveTV_obj is equals to NULL!!!" );
+		return;
+	}		
+	
+	switch ( msg_code ) 
+	{
+		
+		case GMYTH_BACKEND_PROGRAM_INFO_CHANGED:
+		{
+			gmyth_debug( "LIVETV Program Changed request received [ msg = %s ]. Watching if the new "\
+				"TV Chain ID is the same as the old one...\n", message );
+			if ( g_ascii_strcasecmp ( message, (gmyth_tvchain_get_id( live_tv->tvchain ))->str ) != 0 ) {				
+				gmyth_debug( "OK!!! MOVED to the next program chain [actual == %s]!", 
+										(gmyth_tvchain_get_id( live_tv->tvchain ))->str );
+				/* advertises the FileTransfer about the program info changed */
+				if ( live_tv->file_transfer != NULL )
+				{
+					gmyth_debug( "Emitting signal to the FileTransfer... [ \"program-info-changed \" ]" );
+					
+					gmyth_file_transfer_emit_program_info_changed_signal( live_tv->file_transfer,
+		             msg_code, (gpointer)live_tv );
+		             
+		      //gmyth_livetv_monitor_handler_stop( live_tv );	      
+				} else
+					gmyth_debug( "LIVETV file_transfer is NULL!!! Cannot move to the next program chain event received.\n");				
+			}
+		}
+		case GMYTH_BACKEND_DONE_RECORDING:
+		{
+			gmyth_debug( "LIVETV Program Changed request received [ msg = %s ]. Watching if the new "\
+				"TV Chain ID is the same as the old one...\n", message );
+			if ( g_ascii_strcasecmp ( message, (gmyth_tvchain_get_id( live_tv->tvchain ))->str ) != 0 ) {				
+				gmyth_debug( "OK!!! MOVED to the next program chain [actual == %s]!", 
+										(gmyth_tvchain_get_id( live_tv->tvchain ))->str );
+				/* advertises the FileTransfer about the program info changed */
+				if ( live_tv->file_transfer != NULL )
+				{
+					gmyth_debug( "Emitting signal to the FileTransfer... [ \"program-info-changed \" ]" );
+					
+					gmyth_file_transfer_emit_program_info_changed_signal( live_tv->file_transfer,
+		             msg_code, (gpointer)live_tv );
+		             
+		      //gmyth_livetv_monitor_handler_stop( live_tv );	      
+				} else
+					gmyth_debug( "LIVETV file_transfer is NULL!!! Cannot move to the next program chain event received.\n");				
+			}
+			
+			break;
+		}
+		default:
+			break;		
+	} /* switch (Monitor Handler messages) */
+	
+}
+
+gboolean
+gmyth_livetv_monitor_handler_start( GMythLiveTV *livetv )
+{
+	gboolean res = TRUE;
+	
+	if ( livetv->monitor != NULL )
+	{
+		g_object_unref( livetv->monitor );
+		livetv->monitor	= NULL;
+	}
+	
+  livetv->monitor = gmyth_monitor_handler_new ( );
+  
+  res = gmyth_monitor_handler_open (livetv->monitor, livetv->backend_info->hostname, 
+  				livetv->backend_info->port );
+  
+  if ( res == TRUE )
+  {
+  	gmyth_debug("Connect MythTV Monitor event socket! Trying to start the message handler...");
+  	
+  	res = gmyth_monitor_handler_start ( livetv->monitor );
+  	
+  	if (res)
+  	{
+  		gmyth_debug("MythTV Monitor event socket connected and listening!");
+  		g_signal_connect ( G_OBJECT (livetv->monitor), "backend-events-handler",
+                  (GCallback)gmyth_livetv_monitor_signal_handler,
+                  livetv );
+  	}
+  	else
+  	{
+  		gmyth_debug("Problems when trying to start MythTV Monitor event socket!");
+  		goto error;  		
+  	}
+  }
+  
+error:
+	return res;
+  
+}
+
+void
+gmyth_livetv_monitor_handler_stop( GMythLiveTV *livetv )
+{
+	
+  if ( livetv->monitor != NULL )
+  {
+  	g_object_unref( livetv->monitor );
+  	livetv->monitor = NULL;
+  } 
+  
+}  
+
+
+/*
+static gchar*
+gmyth_livetv_create_remote_url( GMythLiveTV *livetv )
+{
+	gchar *uri = g_strdup("");
+	gmyth_backend_info_get_remote_h
+	
+	//gmyth_backend(livetv->backend_info)
+	
+	return uri;
+}
+*/
+
+static gboolean
+gmyth_livetv_setup_recorder_channel_name ( GMythLiveTV *livetv, gchar* channel, GMythBackendInfo *backend_info )
+{
+	gboolean res = TRUE;
+
+	GMythSocket *socket = gmyth_socket_new ();
+	
+	livetv->backend_info = backend_info;
+	
+	g_static_mutex_lock( &lock );
+
+	// FIME: Implement this at gmyth_socket
+	res = gmyth_socket_connect_to_backend (socket, livetv->backend_info->hostname,
+			livetv->backend_info->port, TRUE);
+	if (!res) {
+		g_warning ("[%s] LiveTV can not connect to backend", __FUNCTION__);	
+		res = FALSE;
+		goto error;
+	}
+	
+	livetv->is_livetv = TRUE;
+	
+	livetv->local_hostname  = gmyth_socket_get_local_hostname ();
+
+	if ( livetv->local_hostname == NULL ) {
+		res = FALSE;
+		goto error;
+	}
+
+	// Gets the recorder num
+	livetv->recorder = remote_request_next_free_recorder (socket, -1);
+	gmyth_socket_close_connection (socket);
+
+	if ( livetv->recorder == NULL ) {
+		g_warning ("[%s] None remote encoder available", __FUNCTION__);
+		res = FALSE;
+		goto error;
+	}
+	
+	// Init remote encoder. Opens its control socket.
+	res = gmyth_recorder_setup(livetv->recorder);
+	if ( !res ) {
+		g_warning ("[%s] Fail while setting remote encoder\n", __FUNCTION__);
+		res = FALSE;
+		goto error;
+	}
+	
+	// Creates livetv chain handler
+	livetv->tvchain = GMYTH_TVCHAIN ( g_object_new(GMYTH_TVCHAIN_TYPE, NULL) );
+	gmyth_tvchain_initialize ( livetv->tvchain, livetv->backend_info );
+
+	if ( livetv->tvchain == NULL || livetv->tvchain->tvchain_id == NULL ) {
+		res = FALSE;
+		goto error;
+	}
+	
+	// Spawn live tv. Uses the socket to send mythprotocol data to start livetv in the backend (remotelly)
+	res = gmyth_recorder_spawntv ( livetv->recorder,
+			gmyth_tvchain_get_id(livetv->tvchain) );
+	if (!res) {
+		g_warning ("[%s] Fail while spawn tv\n", __FUNCTION__);
+		res = FALSE;
+		goto error;
+	}
+	
+  if ( res == TRUE ) {
+    /* loop finished, set the max tries variable to zero again... */
+    gint wait_to_transfer = 0;
+
+    while (wait_to_transfer++ < GMYTHTV_TRANSFER_MAX_WAITS &&
+        (gmyth_recorder_is_recording (livetv->recorder) == FALSE))
+      g_usleep (500);
+
+    /* IS_RECORDING again, just like the MythTV backend does... */
+    gmyth_recorder_is_recording (livetv->recorder);
+    
+		if ( channel != NULL ) 
+		{
+			/* Pauses remote encoder. */
+			res = gmyth_recorder_pause_recording(livetv->recorder);
+			if ( !res ) {
+				g_warning ("[%s] Fail while pausing remote encoder\n", __FUNCTION__);
+				res = FALSE;
+				goto error;
+			}
+	
+	  	if ( gmyth_recorder_check_channel_name( livetv->recorder, channel ) )
+	  	{
+		  	if ( gmyth_recorder_set_channel_name( livetv->recorder, channel ) )
+		  	{
+		  		g_print( "[%s] Channel changed!!! [%s].\n", __FUNCTION__, channel );
+		  	}
+	  	}
+	
+		}
+		
+    sleep (9);                  /* FIXME: this is evil (tpm) */
+  }
+  
+  /* DEBUG message */  
+	GMythProgramInfo* prog_info = gmyth_recorder_get_current_program_info( livetv->recorder );
+	
+	if ( NULL == prog_info )
+	{
+		gmyth_debug( "ProgramInfo is equals to NULL!!!" );
+		
+		return FALSE;
+	}
+	/* prints program info data text */ 
+	gmyth_debug( "New ProgramInfo...\n" );
+	gmyth_program_info_print( prog_info );
+	/* DEBUG message */
+	gmyth_debug( "Old ProgramInfo...\n" );
+	gmyth_program_info_print( livetv->proginfo );
+	
+	/* check if the program chain could be obtained from the MythTV protocol message */
+	if ( prog_info != NULL )
+	{
+		livetv->proginfo = prog_info;
+		/* testing change channel */
+		//gmyth_recorder_spawntv_no_tvchain( livetv->recorder );
+	} else {
+		
+		/* check for the program info in the TV program chain could be obtained 
+		   from the MythTV MySQL database */
+
+		/* Reload all TV chain from Mysql database. */
+		gmyth_tvchain_reload_all (livetv->tvchain);
+	
+		if ( livetv->tvchain == NULL ) {
+			res = FALSE;
+			goto error;
+		}
+		
+		/* Get program info from database using chanid and starttime */
+		livetv->proginfo = gmyth_tvchain_get_program_at (livetv->tvchain, tvchain_curr_index++ );
+		if ( livetv->proginfo == NULL ) {
+			g_warning ("[%s] LiveTV not successfully started.\n", __FUNCTION__ );
+			res = FALSE;
+			goto error;
+		} else {
+			res = TRUE;
+			gmyth_debug ("GMythLiveTV: All requests to backend to start TV were OK. [%s]\n", livetv->proginfo->pathname->str );
+		}
+		
+	}
+	
+	livetv->uri = (GMythURI*)gmyth_backend_info_get_uri( backend_info );
+	
+	g_static_mutex_unlock( &lock );
+
+	if ( !gmyth_livetv_monitor_handler_start( livetv ) )
+	{
+		res = FALSE;
+		gmyth_debug( "LiveTV MONITOR handler error on setup!" );
+		goto error;		
+	}
+	
+	livetv->setup_done = TRUE;
+	
+	return res;
+
+error:
+	g_print( "[%s] ERROR running LiveTV setup.\n", __FUNCTION__ );
+
+	if ( livetv->local_hostname != NULL ) {
+		g_string_free( livetv->local_hostname, FALSE );
+		res = FALSE;
+	}
+
+	if ( livetv->recorder != NULL ) {
+		g_object_unref (livetv->recorder);
+		livetv->recorder = NULL;
+	}
+
+	if ( livetv->tvchain != NULL ) {
+		g_object_unref (livetv->tvchain);
+		livetv->tvchain = NULL;
+	}
+
+	if ( livetv->proginfo != NULL ) {
+		g_object_unref (livetv->proginfo);
+		livetv->proginfo = NULL;
+	}
+
+	if ( livetv->monitor != NULL ) {
+		g_object_unref (livetv->monitor);
+		livetv->monitor = NULL;
+	}
+
+	return res;
+
+}
+
+static gboolean
+gmyth_livetv_setup_recorder ( GMythLiveTV *livetv, gint channel, GMythBackendInfo *backend_info )
+{
+	return gmyth_livetv_setup_recorder_channel_name ( livetv, ( channel != -1 ) ? 
+				g_strdup_printf( "%d", channel ) : NULL, backend_info );
+}
+
+gboolean
+gmyth_livetv_channel_setup ( GMythLiveTV *livetv, gint channel, GMythBackendInfo *backend_info )
+{
+	return gmyth_livetv_setup_recorder ( livetv, channel, backend_info );
+}
+
+gboolean
+gmyth_livetv_channel_name_setup ( GMythLiveTV *livetv, gchar* channel, GMythBackendInfo *backend_info )
+{
+	return gmyth_livetv_setup_recorder_channel_name ( livetv, channel, backend_info );
+}
+
+gboolean
+gmyth_livetv_setup ( GMythLiveTV *livetv, GMythBackendInfo *backend_info )
+{
+	return gmyth_livetv_setup_recorder ( livetv, -1, backend_info );
+}
+
+gboolean
+gmyth_livetv_next_program_chain ( GMythLiveTV *livetv )
+{
+	gboolean res = TRUE;
+	GMythProgramInfo *prog_info = NULL;
+	
+	if ( !livetv->setup_done )
+	{
+		gmyth_debug ( "Call the setup function first!" );
+		res= FALSE;
+		goto error;		
+	}
+	
+	//if ( !gmyth_livetv_monitor_handler_start( livetv ) )
+	//	goto error;
+	prog_info = gmyth_recorder_get_current_program_info( livetv->recorder );
+	
+	if ( NULL == prog_info )
+	{
+		gmyth_debug( "ProgramInfo is equals to NULL!!!" );
+		
+		return FALSE;
+	}
+	/* prints program info data text */ 
+	gmyth_program_info_print( prog_info );
+
+	if ( prog_info != NULL ) {		
+		res = TRUE;
+		livetv->proginfo = prog_info;
+		gmyth_debug ("GMythLiveTV: All requests to backend to start TV were OK, program info changed.");
+	} else {
+		g_warning ("[%s] LiveTV not successfully started on the next program chain.\n", __FUNCTION__ );
+		res = FALSE;
+		goto error;
+	}
+	
+	livetv->setup_done = TRUE;
+
+	return res;
+
+error:
+	g_print( "[%s] ERROR running LiveTV setup.\n", __FUNCTION__ );
+
+	if ( livetv->local_hostname != NULL ) {
+		g_string_free( livetv->local_hostname, FALSE );
+		res = FALSE;
+	}
+
+	if ( livetv->recorder != NULL ) {
+		g_object_unref (livetv->recorder);
+		livetv->recorder = NULL;
+	}
+
+	if ( livetv->tvchain != NULL ) {
+		g_object_unref (livetv->tvchain);
+		livetv->tvchain = NULL;
+	}
+
+	if ( livetv->proginfo != NULL ) {
+		g_object_unref (livetv->proginfo);
+		livetv->proginfo = NULL;
+	}
+
+	return res;
+
+}
+
+GMythFileTransfer *
+gmyth_livetv_create_file_transfer( GMythLiveTV *livetv )
+{
+	//GMythURI* uri = NULL;
+	
+	if ( NULL == livetv )
+		goto done;
+	
+	if ( !livetv->setup_done )
+	{
+		gmyth_debug( "Error: You must do the LiveTV setup, just before generating the FileTransfer from LiveTV source!" );
+		goto done;
+	}
+	
+	if ( livetv->proginfo != NULL )
+  	gmyth_debug( "URI path = %s.\n", livetv->proginfo->pathname->str );
+  else
+  	gmyth_debug( "URI path = %s.\n", livetv->uri->uri->str ); 
+  
+  g_static_mutex_lock( &lock );
+  
+  if ( livetv->file_transfer != NULL )
+  {
+  	/*gmyth_file_transfer_close( livetv->file_transfer );*/
+  	g_object_unref( livetv->file_transfer );
+  	livetv->file_transfer = NULL;
+  }  	
+
+	livetv->file_transfer = gmyth_file_transfer_new( livetv->backend_info );
+
+  if ( NULL == livetv->file_transfer ) 
+  {
+  	gmyth_debug( "Error: couldn't create the FileTransfer from LiveTV source!" );
+    goto done;
+  }
+  
+  if ( livetv->uri != NULL )  
+  { 
+  	if ( livetv->uri->path != NULL )
+  	{
+  		g_string_free( livetv->uri->path, FALSE );
+  		livetv->uri->path = NULL;
+  	}
+  	livetv->uri->path = g_string_new( g_strrstr( livetv->proginfo->pathname->str, "/" ) );
+  } else {
+  	livetv->uri = gmyth_uri_new_with_value( livetv->proginfo->pathname->str );
+  }
+  	
+  if ( NULL == livetv->uri )
+  {  	
+  	gmyth_debug( "Couldn't parse the URI to start LiveTV! [ uri = %s ]", livetv->proginfo->pathname->str );
+  	goto done;  	
+  }
+
+	if ( !gmyth_file_transfer_open( livetv->file_transfer, livetv->uri != NULL ? gmyth_uri_get_path(livetv->uri) : 
+				livetv->proginfo->pathname->str ) )
+	{
+		gmyth_debug( "Error: couldn't open the FileTransfer from LiveTV source!" );
+		g_object_unref( livetv->file_transfer );
+		livetv->file_transfer = NULL;
+		goto done;
+	}
+	
+	g_static_mutex_unlock( &lock );
+
+done:
+	/*
+	if ( uri != NULL )
+	{
+		g_object_unref( uri );
+		uri = NULL;
+	}
+	*/	
+	
+	return livetv->file_transfer;
+	
+}
+
+/* FIXME: How to proceed differently between livetv and recorded content */
+void
+gmyth_livetv_stop_playing (GMythLiveTV *livetv) 
+{
+	gmyth_debug ("Stopping the LiveTV...\n");
+
+	if (livetv->is_livetv) {
+		if ( !gmyth_recorder_stop_livetv (livetv->recorder) ) {
+			g_warning ("[%s] Error while stoping remote encoder", __FUNCTION__);	
+		}
+	}
+}
+
+gboolean
+gmyth_livetv_is_playing (GMythLiveTV *livetv)
+{
+	return TRUE;
+}
+
+void
+gmyth_livetv_start_playing (GMythLiveTV *livetv)
+{
+
+	// TODO
+
+}
+