diff -r 28c358053693 -r 8aa32fa19a8f branches/gmyth-0.1b/src/gmyth_socket.c
--- a/branches/gmyth-0.1b/src/gmyth_socket.c	Wed Feb 14 23:06:17 2007 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1082 +0,0 @@
-/**
- * GMyth Library
- *
- * @file gmyth/gmyth_socket.c
- * 
- * @brief <p> MythTV socket implementation, according to the MythTV Project
- * (www.mythtv.org). 
- * 
- * This component provides basic socket functionalities to interact with
- * the Mythtv backend.
- * <p>
- *
- * 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_socket.h"
-
-#include <glib.h> 
-#include <glib/gprintf.h>
-
-#include <arpa/inet.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/param.h>
-#include <netdb.h>
-#include <net/if.h>
-#include <errno.h>
-#include <stdlib.h>
-
-#include <unistd.h>
-#include <netinet/in.h>
-#include <fcntl.h>
-#include <signal.h>
-
-#include <sys/ioctl.h>
-
-#include "gmyth_stringlist.h"
-#include "gmyth_uri.h"
-#include "gmyth_debug.h"
-
-#define BUFLEN 				   	512
-#define MYTH_SEPARATOR 			    	"[]:[]"
-#define MYTH_PROTOCOL_FIELD_SIZE		8
-
-/* max number of iterations */
-#define MYTHTV_MAX_VERSION_CHECKS		40
-
-// FIXME: put this in the right place
-#define  MYTHTV_VERSION_DEFAULT			30
-
-static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
-
-static gchar* local_hostname = NULL;
-
-static void gmyth_socket_class_init          (GMythSocketClass *klass);
-static void gmyth_socket_init                (GMythSocket *object);
-
-static void gmyth_socket_dispose  (GObject *object);
-static void gmyth_socket_finalize (GObject *object);
-
-G_DEFINE_TYPE(GMythSocket, gmyth_socket, G_TYPE_OBJECT)
-
-static void
-gmyth_socket_class_init (GMythSocketClass *klass)
-{
-    GObjectClass *gobject_class;
-
-    gobject_class = (GObjectClass *) klass;
-
-    gobject_class->dispose  = gmyth_socket_dispose;
-    gobject_class->finalize = gmyth_socket_finalize;	
-}
-
-static void
-gmyth_socket_init (GMythSocket *gmyth_socket)
-{
-	
-	/* gmyth_socket->local_hostname = NULL; */
-	
-}
-
-/** Gets the some important address translation info, from the client socket
- * that will open a connection.
- * 
- * @return gint that represents the error number from getaddrinfo(). 
- */
-static gint
-gmyth_socket_toaddrinfo (const gchar *addr, gint port, struct addrinfo **addrInfo )
-{
-    struct addrinfo hints;
-    gchar *portStr = NULL;
-    gint errorn = EADDRNOTAVAIL;
- 
-    g_return_val_if_fail ( addr != NULL, -1 );
-    g_debug ("Calling %s\n", __FUNCTION__);
-
-    /* hints = g_malloc0 ( sizeof(struct addrinfo) ); */
-    memset ( &hints, 0, sizeof(struct addrinfo) );
-    hints.ai_family = AF_INET;
-    hints.ai_socktype = SOCK_STREAM;
-    /* hints.ai_flags = AI_NUMERICHOST; */
-    
-    if ( port != -1 )	
-        portStr = g_strdup_printf ( "%d", port );
-    else
-	portStr = NULL;
-
-    gmyth_debug ("Getting name resolution for: %s, %d\n", addr, port);
-
-    if ( ( errorn = getaddrinfo(addr, portStr, &hints, addrInfo) ) != 0 ) {
-		g_printerr( "[%s] Socket ERROR: %s\n", __FUNCTION__, gai_strerror(errorn) );
-    }
-    g_free (portStr);
-    /* g_free (hints); */
-    return errorn;
-}
-
-static gint
-gmyth_socket_find_match_address_uri( GMythURI* uri, gchar *address ) {
-
-        if ( g_ascii_strcasecmp( gmyth_uri_get_host( uri ), address ) == 0 ) {
-                //g_printerr( "Found URI: %s !!!\n", rui_uri_getvalue(uri) );
-                return 0;
-        } else {
-                return -1;
-        }
-
-}
-
-static const gchar *PATH_PROC_NET_DEV = "/proc/net/dev";
-
-/** Gets the list of all local network interfaces (using the /proc/net/dev directory).
- * 
- * @param current_connections	A list with all the network interfaces are valid, 
- * 		to be applied just like a filter.
- * @return List with all the local net interfaces. 
- */
-static GList *
-gmyth_socket_get_local_addrs( GList *current_connections )
-{
-
-	GList *local_addrs = NULL;
-	FILE *fd;
-	gint s;
-	gchar buffer[256+1];
-	gchar ifaddr[20+1];
-	gchar *ifname;
-	gchar *sep;
-	
-	s = socket(AF_INET, SOCK_DGRAM, 0);
-	if (s < 0)
-		return 0;
-	fd = fopen(PATH_PROC_NET_DEV, "r");
-	fgets(buffer, sizeof(buffer)-1, fd);
-	fgets(buffer, sizeof(buffer)-1, fd);
-	while (!feof(fd)) {
-		ifname = buffer;
-		sep;
-		if (fgets(buffer, sizeof(buffer)-1, fd) == NULL)
-			break;
-		sep = strrchr(buffer, ':');
-		if (sep)
-			*sep = 0;
-		while (*ifname == ' ')
-			ifname++;
-		struct ifreq req;
-		strcpy(req.ifr_name, ifname);
-		if (ioctl(s, SIOCGIFFLAGS, &req) < 0)
-			continue;
-		if (!(req.ifr_flags & IFF_UP))
-			continue;
-		if (req.ifr_flags & IFF_LOOPBACK)
-			continue;
-		if (ioctl(s, SIOCGIFADDR, &req) < 0)
-			continue;
-		g_strlcpy( ifaddr, inet_ntoa(((struct sockaddr_in*)&req.ifr_addr)->sin_addr), sizeof(struct ifaddr)-1 );
-		local_addrs = g_list_append( local_addrs, g_strdup( ifaddr ) );
-
-		gmyth_debug( "( from the /proc/net/dev) Interface name: %s, address: %s\n", 
-								ifname, ifaddr );
-	}
-	fclose(fd);
-	close(s);
-	return local_addrs;
-
-}
-
-
-/**
- * Get only the local addresses from the primary interface
- */
-static gchar *
-gmyth_socket_get_primary_addr()
-{
-	
-	gchar *if_eth0 = g_new0( gchar, sizeof(struct ifaddr)-1 );
-	GList *if_tmp = NULL;
-	
-	GList *interfs = gmyth_socket_get_local_addrs( NULL );
-	
-	if ( interfs != NULL && ( g_list_length( interfs ) > 0 ) ) 
-	{
-		/* get the first occurrence (primary interface) */
-		if_tmp = g_list_first( interfs );
-		
-		if ( if_tmp != NULL )
-			g_strlcpy (if_eth0, (gchar *)if_tmp->data, sizeof(struct ifaddr)-1 );
-
-	}
-	
-	if ( interfs != NULL )
-		g_list_free( interfs );
-	
-	return if_eth0;
-}
-
-/** This function retrieves the local hostname of the 
- * client machine.
- *
- * @return GString* get local hostname.
- */
-GString *
-gmyth_socket_get_local_hostname  ()
-{
-
-    char hname[50];
-    gint res = gethostname (hname, 50);
-
-    if (res == -1) {
-	g_debug ("Error while getting hostname");
-	return NULL;
-    }
-
-    return g_string_new (hname);
-    
-#if 0	
-    GString *str = NULL;
-    
-    if ( local_hostname != NULL && strlen(local_hostname) > 0 )
-    	return g_string_new( local_hostname );
-
-    gchar *localaddr = NULL; 
-    gboolean found_addr = FALSE;
-    struct addrinfo* addr_info_data = NULL, *addr_info0 = NULL;
-    struct sockaddr_in* sa = NULL;
-    gchar localhostname[MAXHOSTNAMELEN];
-
-
-    if (gethostname (localhostname, MAXHOSTNAMELEN) != 0 ) {
-    	gmyth_debug ( "Error on gethostname" );
-    }
-    localhostname[MAXHOSTNAMELEN-1] = 0;
-
-    gint err = gmyth_socket_toaddrinfo (localhostname, -1,  &addr_info_data );
-    
-    if ( err == EADDRNOTAVAIL )
-    {
-    	g_warning( "[%s] Address (%s) not available. (reason = %d)\n", __FUNCTION__, localhostname, err );
-    	return str;
-    }
-    
-    g_static_mutex_lock( &mutex );    	
-
-    addr_info0 = addr_info_data;
-
-    while( addr_info0 != NULL && addr_info0->ai_addr != NULL && 
-	    ( sa = (struct sockaddr_in*)addr_info0->ai_addr ) != NULL && !found_addr ) {
-    	localaddr = inet_ntoa( sa->sin_addr );
-
-	    if ( localaddr != NULL && ( g_strrstr( localaddr, "127" ) == NULL ) ) {
-	        str = g_string_new (localaddr);
-	        found_addr = TRUE;
-		g_free (localaddr);
-	        break;
-	    }
-/*
-	    if (localaddr != NULL) {
-		g_free (localaddr);
-		localaddr = NULL;
-	    }
-	    */
-
-	    addr_info0 = addr_info0->ai_next;
-    };
-    
-    freeaddrinfo (addr_info_data);
-    addr_info_data = NULL;
-    
-    if ( found_addr == FALSE ) {
-        gchar *prim_addr = gmyth_socket_get_primary_addr();
-
-    	if ( prim_addr != NULL ) {
-		g_warning("[%s] Could not determine the local alphanumerical hostname. Setting to %s\n",
-    	        __FUNCTION__, prim_addr );
-      
-	        str = g_string_new (prim_addr);
-	        g_free (prim_addr);
-    	} else {
-        	str = g_string_new (localhostname);
-    	}
-    }
-
-    g_static_mutex_unlock (&mutex);
-    
-    if ( str != NULL && str->str != NULL )
-    	local_hostname = g_strdup( str->str );
-
-    return str;
-#endif    
-}
-
-static void
-gmyth_socket_dispose  (GObject *object)
-{
-    GMythSocket *gmyth_socket = GMYTH_SOCKET(object);
-
-    /* disconnect socket */
-    gmyth_socket_close_connection (gmyth_socket);
-
-    g_free (gmyth_socket->hostname);
-    gmyth_socket->hostname = NULL;
-    
-    g_free (local_hostname);
-    
-    local_hostname = NULL;
-
-    G_OBJECT_CLASS (gmyth_socket_parent_class)->dispose (object);
-}
-
-static void
-gmyth_socket_finalize (GObject *object)
-{
-    g_signal_handlers_destroy (object);
-
-    G_OBJECT_CLASS (gmyth_socket_parent_class)->finalize (object);
-}
-
-/** Creates a new instance of GMythSocket.
- * 
- * @return a new instance of GMythSocket.
- */
-GMythSocket*
-gmyth_socket_new ()
-{
-    GMythSocket *gmyth_socket = GMYTH_SOCKET (g_object_new(GMYTH_SOCKET_TYPE, NULL));
-
-    gmyth_socket->mythtv_version = MYTHTV_VERSION_DEFAULT;
-
-    return gmyth_socket;
-}
-
-/** Try to open an asynchronous connection to the MythTV backend.
- * 
- * @param fd 			Socket descriptor.
- * @param remote 	Remote address.
- * @param len 		Newly created socket length field.
- * @param timeout	Timeval argument with the time interval to timeout before closing.
- * @param err			Error message number.
- * @return Any numerical value below 0, if an error had been found.
- */
-static gint 
-gmyth_socket_try_connect ( gint fd, struct sockaddr *remote, gint len,
-               struct timeval *timeout, gint *err)
-{
-	  /*g_return_val_if_fail( timeout != NULL, 0 );*/	  
-	  gint saveflags, ret, back_err;
-	  
-	  fd_set fd_w;
-	
-	  saveflags = fcntl( fd, F_GETFL, 0 );
-	  if( saveflags < 0 ) {
-	    g_warning( "[%s] Problems when getting socket flags on fcntl.\n", __FUNCTION__ );
-	    *err=errno;
-	    return -1;
-	  }
-	
-	  /* Set non blocking */
-	  if( fcntl( fd, F_SETFL, saveflags | O_NONBLOCK ) < 0) {
-	  	g_warning( "[%s] Problems when setting non-blocking using fcntl.\n", __FUNCTION__ );
-	    *err=errno;
-	    return -1;
-	  }
-	
-	  /* This will return immediately */
-	  *err= connect ( fd, remote, len );
-		back_err=errno;
-	
-		/* restore flags */
-	  if( fcntl( fd, F_SETFL, saveflags ) < 0) {
-	    g_warning( "[%s] Problems when trying to restore flags with fcntl.\n", __FUNCTION__ );
-	    *err=errno;
-	    return -1;
-	  }
-	
-	  /* return unless the connection was successful or the connect is
-	     still in progress. */
-	  if( *err < 0 && back_err != EINPROGRESS) {
-	    g_warning( "[%s] Connection unsucessfully (it is not in progress).\n", __FUNCTION__ );
-	    *err = errno;
-	    return -1;
-	  }
-	
-	  FD_ZERO( &fd_w );
-	  FD_SET( fd, &fd_w );
-	
-	  *err = select( FD_SETSIZE, NULL, &fd_w, NULL, timeout);
-	  if ( *err < 0 ) {
-	    g_warning( "[%s] Connection unsucessfull (timed out).\n", __FUNCTION__ );
-	    *err=errno;
-	    return -1;
-	  }
-	
-	  /* 0 means it timeout out & no fds changed */
-	  if(*err==0) {
-	    close(fd);
-	    *err=ETIMEDOUT;
-	    return -1;
-	  }
-	
-	  /* Get the return code from the connect */
-	  len = sizeof( ret );
-	  *err=getsockopt( fd, SOL_SOCKET, SO_ERROR, &ret, (socklen_t *) &len);
-	  
-	  if( *err < 0 ) {
-	    g_warning( "[%s] Connection usnsucessfull.\n", __FUNCTION__ );
-	    *err=errno;
-	    return -1;
-	  }
-	
-	  /* ret=0 means success, otherwise it contains the errno */
-	  if (ret) {
-	    *err=ret;
-	    return -1;
-	  }
-	
-	  *err=0;
-	  return 0;
-}
-
-/** Connects to the backend.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @param hostname The backend hostname or IP address.
- * @param port The backend port.
- * @return TRUE if success, FALSE if error.
- */
-
-
-gboolean
-gmyth_socket_connect (GMythSocket *gmyth_socket,
-	const gchar *hostname, gint port)
-{
-    return gmyth_socket_connect_with_timeout (gmyth_socket,
-		    hostname, port, 0);
-}
-
-gboolean
-gmyth_socket_connect_with_timeout (GMythSocket *gmyth_socket,
-	const gchar *hostname, gint port, guint timeout)
-{
-    struct addrinfo *addr_info_data = NULL, *addr_info0 = NULL;
-    gint ret_code = -1;
-    gint errno;
-    gboolean ret = TRUE;
-
-    gmyth_debug ("CONNECTING %s:%d", hostname, port);
-
-    if ( hostname == NULL )
-        gmyth_debug ( "Invalid hostname parameter!\n");
-
-    /* store hostname and port number */
-    if (gmyth_socket->hostname != NULL) {
-        //g_free (gmyth_socket->hostname);
-        gmyth_socket->hostname = NULL;
-    }
-
-    errno = gmyth_socket_toaddrinfo ( hostname, port, &addr_info_data );
-
-    g_return_val_if_fail( addr_info_data != NULL && hostname != NULL, FALSE );
-
-    gmyth_socket->hostname = g_strdup( hostname );
-    gmyth_socket->port = port;
-
-    for ( addr_info0 = addr_info_data; addr_info0; addr_info0 = addr_info_data->ai_next ) {
-        /* init socket descriptor */
-        gmyth_socket->sd = socket( addr_info0->ai_family, addr_info0->ai_socktype,
-                         addr_info0->ai_protocol );
-
-        if ( gmyth_socket->sd < 0 )
-            continue;
-
-        struct timeval *timeout_val = g_new0 (struct timeval, 1);
-	if (timeout != 0) {
-	    /*timeout_val = g_new0 (struct timeval, 1);*/
-	    
-            timeout_val->tv_sec = timeout;
-            timeout_val->tv_usec = 0;
-	} else {
-            timeout_val->tv_sec = 5;
-            timeout_val->tv_usec = 100;
-	}
-        
-        if (gmyth_socket_try_connect (gmyth_socket->sd, (struct sockaddr *)addr_info0->ai_addr,
-                addr_info0->ai_addrlen, timeout_val, &ret_code ) < 0 )
-        {
-            g_printerr( "[%s] Error connecting to backend!\n", __FUNCTION__ );
-            if (ret_code == ETIMEDOUT)
-                g_printerr( "[%s]\tBackend host unreachable!\n", __FUNCTION__ );
-
-            close (gmyth_socket->sd);
-            gmyth_socket->sd = -1;
-            g_printerr ("ERROR: %s\n", gai_strerror(ret_code));
-	    g_free (timeout_val);
-            continue;
-        }
-
-	g_free (timeout_val);
-
-        /* only will be reached if none of the error above occurred */
-        break;
-    }
-
-    freeaddrinfo (addr_info_data);
-    addr_info_data = NULL;
-
-    if (gmyth_socket->sd_io_ch != NULL) {
-        g_io_channel_unref (gmyth_socket->sd_io_ch);
-        gmyth_socket->sd_io_ch = NULL;
-    }
-
-    gmyth_socket->sd_io_ch = g_io_channel_unix_new (gmyth_socket->sd);
-    
-    //GIOFlags flags = g_io_channel_get_flags (gmyth_socket->sd_io_ch);
-		/* unset the nonblock flag */
-		//flags &= ~G_IO_FLAG_NONBLOCK;
-		/* unset the nonblocking stuff for some time, because GNUTLS doesn't like
-		 * that */
-		//g_io_channel_set_flags (gmyth_socket->sd_io_ch, flags, NULL);
-
-    ret = ( ret_code == 0 ) ? TRUE : FALSE ;
-    return ret;
-}
-
-/** Gets the GIOChannel associated to the given GMythSocket.
- * 
- * @param gmyth_socket The GMythSocket instance.
- */
-GIOChannel *
-gmyth_socket_get_io_channel( GMythSocket *gmyth_socket )
-{
-    g_return_val_if_fail( gmyth_socket != NULL, NULL );
-
-    return gmyth_socket->sd_io_ch;
-}
-
-/** Verifies if the socket is able to read.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @return TRUE if the socket is able to read, FALSE if not.
- */
-gboolean
-gmyth_socket_is_able_to_read( GMythSocket *gmyth_socket )
-{
-    gboolean ret = TRUE;
-
-    /* verify if the input (read) buffer is ready to receive data */
-    GIOCondition io_cond = g_io_channel_get_buffer_condition( gmyth_socket->sd_io_ch );
-
-    if ( ( io_cond & G_IO_IN ) == 0 ) {
-	g_warning ("[%s] IO channel is not able to send data!\n", __FUNCTION__);
-	ret = FALSE;
-    }
-
-    return ret;
-
-}
-
-/** Verifies if the socket is able to write.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @return TRUE if the socket is able to write, FALSE if not.
- */
-gboolean
-gmyth_socket_is_able_to_write( GMythSocket *gmyth_socket )
-{
-    gboolean ret = TRUE;
-
-    /* verify if the input (read) buffer is ready to receive data */
-    GIOCondition io_cond = g_io_channel_get_buffer_condition( gmyth_socket->sd_io_ch );
-
-    if ( ( ( io_cond & G_IO_OUT ) == 0 ) || ( ( io_cond & G_IO_HUP ) == 0 ) ) {
-	g_warning ("[%s] IO channel is not able to send data!\n", __FUNCTION__);
-	ret = FALSE;
-    }
-
-    return ret;
-
-}
-
-/** Sends a command to the backend.
- * 
- * @param gmyth_socket the GMythSocket instance.
- * @param command The string command to be sent.
- */
-gboolean
-gmyth_socket_send_command(GMythSocket *gmyth_socket, GString *command) 
-{
-    gboolean ret = TRUE;
-
-    GIOStatus io_status = G_IO_STATUS_NORMAL;
-    //GIOCondition io_cond;
-    GError* error = NULL;
-   
-    
-    gchar *buffer = NULL;
-
-    gsize bytes_written = 0;
-
-    if( command == NULL || ( command->len <= 0 ) || command->str == NULL ) {
-		g_warning ("[%s] Invalid NULL command parameter!\n", __FUNCTION__);
-		ret = FALSE;
-		goto done;
-    }
-
-    //g_static_mutex_lock( &mutex );
-    gmyth_debug ("Sending command to backend: %s\n", command->str);
-
-    buffer = g_strnfill( BUFLEN, ' ' );
-    g_snprintf( buffer, MYTH_PROTOCOL_FIELD_SIZE+1, "%-8d", command->len);
-
-    command = g_string_prepend(command, buffer);
-
-    /* write bytes to socket */    
-    io_status = g_io_channel_write_chars( gmyth_socket->sd_io_ch, command->str, 
-	    command->len, &bytes_written, &error );
-
-
-    if( (io_status == G_IO_STATUS_ERROR) || ( bytes_written <= 0 ) ) {
-		g_warning ("[%s] Error while writing to socket", __FUNCTION__);
-		ret = FALSE;
-    } else if ( bytes_written < command->len ) {
-		g_warning ("[%s] Not all data was written socket", __FUNCTION__);
-		ret = FALSE;
-    }
-
-    io_status = g_io_channel_flush( gmyth_socket->sd_io_ch, &error );
-
-    if ( ( bytes_written != command->len ) || ( io_status == G_IO_STATUS_ERROR ) )
-    {
-		g_warning ("[%s] Some problem occurred when sending data to the socket\n", __FUNCTION__);
-	
-		ret = TRUE;
-    }
-
-    //g_static_mutex_unlock( &mutex );
-done:
-    if ( error != NULL ) {
-		g_printerr( "[%s] Error found reading data from IO channel: (%d, %s)\n", __FUNCTION__, error->code, error->message );
-		ret = FALSE;
-		g_error_free( error );
-    }
-
-    if ( buffer!= NULL )
-		g_free( buffer );
-
-    return ret;
-}
-
-/** Starts Mythtv protocol level connection. Checks Mythtv protocol version
- * supported by the backend and send the "ANN" command.
- * 
- * @param gmyth_socket the GMythSocket instance.
- * @param hostname_backend The backend hostname or IP address.
- * @param port The backend port to connect.
- * @param blocking_client A flag to choose between blocking and non-blocking
- * @param with_events	Sets the connection flag to receive events.
- * 										backend connection. 
- */
-static gboolean
-gmyth_socket_connect_to_backend_and_events (GMythSocket *gmyth_socket, 
-	const gchar *hostname_backend, gint port, gboolean blocking_client,
-	gboolean with_events)
-{
-    if (!gmyth_socket_connect (gmyth_socket, hostname_backend, port)) {
-		g_warning ("[%s] Could not open socket to backend machine [%s]\n", __FUNCTION__,
-					hostname_backend );
-		return FALSE;
-    }
-
-    if ( gmyth_socket_check_protocol_version (gmyth_socket) ) {
-
-	GString *result;
-	GString *base_str = g_string_new("");
-	GString *hostname = NULL;
-
-	hostname = gmyth_socket_get_local_hostname();
-	if (hostname == NULL) {
-	    g_debug ("Hostname not available, setting to n800frontend\n");
-	    hostname = g_strdup ("n800frontend");
-	}
-
-	g_string_printf(base_str, "ANN %s %s %u", 
-		(blocking_client ? "Playback" : "Monitor"),
-		hostname->str, with_events);
-
-	gmyth_socket_send_command (gmyth_socket, base_str);
-	result = gmyth_socket_receive_response (gmyth_socket);
-
-	if (result != NULL) {
-	    gmyth_debug ("Response received from backend: %s", result->str);
-	    g_string_free (result, TRUE);
-	}
-
-	g_string_free (hostname, TRUE);
-	g_string_free (base_str, TRUE);
-
-	return TRUE;
-    } else {
-	g_warning ("[%s] GMythSocket could not connect to the backend", __FUNCTION__);	
-	return FALSE;
-    }
-}
-
-/** Starts Mythtv protocol level connection. Checks Mythtv protocol version
- * supported by the backend and send the "ANN" command.
- * 
- * @param gmyth_socket the GMythSocket instance.
- * @param hostname_backend The backend hostname or IP address.
- * @param port The backend port to connect.
- * @param blocking_client A flag to choose between blocking and non-blocking 
- */
-gboolean
-gmyth_socket_connect_to_backend (GMythSocket *gmyth_socket, 
-	const gchar *hostname_backend, gint port, gboolean blocking_client)
-{
-    if (!gmyth_socket_connect_to_backend_and_events ( gmyth_socket, hostname_backend, port,
-    		blocking_client, FALSE) ) {
-		gmyth_debug ("Could not open socket to backend machine [%s]\n",
-					hostname_backend );
-		return FALSE;
-    }
-    
-    return TRUE;
-
-}
-
-/** Starts Mythtv protocol level connection. Checks Mythtv protocol version
- * supported by the backend and send the "ANN" command.
- * 
- * @param gmyth_socket the GMythSocket instance.
- * @param hostname_backend The backend hostname or IP address.
- * @param port The backend port to connect.
- * @param blocking_client A flag to choose between blocking and non-blocking 
- */
-gboolean
-gmyth_socket_connect_to_backend_events (GMythSocket *gmyth_socket, 
-	const gchar *hostname_backend, gint port, gboolean blocking_client)
-{
-    if (!gmyth_socket_connect_to_backend_and_events ( gmyth_socket, hostname_backend, port,
-    		blocking_client, TRUE) ) {
-		gmyth_debug ("Could not open socket to backend machine in order to receive events [%s]\n",
-					hostname_backend );
-		return FALSE;
-    }
-    
-    return TRUE;
-}
-
-/** Closes the socket connection to the backend.
- * 
- * @param gmyth_socket The GMythSocket instance.
- */
-void
-gmyth_socket_close_connection (GMythSocket *gmyth_socket)
-{
-    close (gmyth_socket->sd);	
-    gmyth_socket->sd = -1;
-
-    if (gmyth_socket->sd_io_ch != NULL) {
-        g_io_channel_unref (gmyth_socket->sd_io_ch);
-        gmyth_socket->sd_io_ch = NULL;
-    }
-}
-
-
-/** Try the MythTV version numbers, and get the version returned by
- * the possible REJECT message, in order to contruct a new
- * MythTV version request.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @param mythtv_version The Mythtv protocol version to be tested
- * 
- * @return The actual MythTV the client is connected to.
- */
-gint
-gmyth_socket_check_protocol_version_number (GMythSocket *gmyth_socket, gint mythtv_version)
-{
-    GString *response = NULL;
-    GString *payload = NULL;
-    gboolean res = TRUE;
-    gint mythtv_new_version = MYTHTV_CANNOT_NEGOTIATE_VERSION;
-    guint max_iterations = MYTHTV_MAX_VERSION_CHECKS;
-
-try_new_version:
-    payload = g_string_new ("MYTH_PROTO_VERSION");
-    g_string_append_printf( payload, " %d", mythtv_version );
-
-    gmyth_socket_send_command(gmyth_socket, payload);
-    response = gmyth_socket_receive_response(gmyth_socket);
-
-    if (response == NULL) {
-		g_warning ("[%s] Check protocol version error! Not answered!", __FUNCTION__);
-		res = FALSE;	
-		goto done;
-    }
-
-    res = g_str_has_prefix (response->str, "ACCEPT");
-    if (!res) {
-		g_warning ("[%s] Protocol version request error: %s", __FUNCTION__, response->str);
-	/* get the version number returned by the REJECT message */
-	if ( ( res = g_str_has_prefix (response->str, "REJECT") ) == TRUE ) {
-        gchar *new_version = NULL;
-	    new_version = g_strrstr( response->str, "]" );
-	    if (new_version!=NULL) {
-		++new_version; /* skip ']' character */
-		if ( new_version != NULL ) {
-		    gmyth_debug ( "[%s] got MythTV version = %s.\n", __FUNCTION__, new_version );
-		    mythtv_version = (gint)g_ascii_strtoull (new_version, NULL, 10 );
-		    /* do reconnection to the socket (socket is closed if the MythTV version was wrong) */
-		    gmyth_socket_connect( gmyth_socket, gmyth_socket->hostname, gmyth_socket->port );
-            new_version =NULL;
-		    if ( --max_iterations > 0 ) 
-		    	goto try_new_version;
-		    else
-		    	goto done;
-		}
-	    }
-	}
-    }
-    
-    /* change the return value to a valid one */
-    if ( res ) {
-    	mythtv_new_version = mythtv_version;
-    	gmyth_socket->mythtv_version = mythtv_new_version;
-    }
-
-done:
-    if ( payload != NULL )
-		g_string_free (payload, TRUE);
-    if ( response != NULL )
-		g_string_free (response, TRUE);
-
-    return mythtv_new_version;
-}
-
-/** Verifies if the Mythtv backend supported the GMyth supported version.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @return TRUE if supports, FALSE if not.
- */
-gboolean
-gmyth_socket_check_protocol_version (GMythSocket *gmyth_socket)
-{
-    return ( ( gmyth_socket->mythtv_version = 
-    		gmyth_socket_check_protocol_version_number ( gmyth_socket, 
-    							MYTHTV_VERSION_DEFAULT ) ) != MYTHTV_CANNOT_NEGOTIATE_VERSION );
-}
-
-/** Returns the Mythtv backend supported version.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @return The actual MythTV version number.
- */
-gint
-gmyth_socket_get_protocol_version (GMythSocket *gmyth_socket) 
-{
-	return gmyth_socket->mythtv_version;
-}
-
-/** Receives a backend answer after a gmyth_socket_send_command_call ().
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @return The response received, or NULL if error or nothing was received.
- */
-GString*
-gmyth_socket_receive_response(GMythSocket *gmyth_socket)
-{
-    GIOStatus io_status = G_IO_STATUS_NORMAL;
-    GError* error = NULL;
-    gchar *buffer;
-
-    GString *str = NULL;
-
-    gsize bytes_read = 0;
-    gint  len = 0;
-    GIOCondition io_cond = g_io_channel_get_buffer_condition (gmyth_socket->sd_io_ch);
-
-    g_return_val_if_fail( gmyth_socket != NULL, NULL );
-
-    /* verify if the input (read) buffer is ready to receive data */
-
-    //g_static_mutex_lock( &mutex );
-
-    //buffer = g_new0 (gchar, MYTH_PROTOCOL_FIELD_SIZE);
-    buffer = g_strnfill (MYTH_PROTOCOL_FIELD_SIZE, ' ');
-    io_status = g_io_channel_read_chars (gmyth_socket->sd_io_ch, buffer, MYTH_PROTOCOL_FIELD_SIZE, &bytes_read, &error);
-
-    /* verify if the input (read) buffer is ready to receive data */
-    io_cond = g_io_channel_get_buffer_condition (gmyth_socket->sd_io_ch);
-
-    gmyth_debug ( "[%s] Bytes read = %d\n", __FUNCTION__, bytes_read );
-
-    if( (io_status == G_IO_STATUS_ERROR) || (bytes_read <= 0) ) {
-		g_warning ("[%s] Error in mythprotocol response from backend\n", __FUNCTION__);
-		str = NULL;
-		//return NULL;
-    } else {
-
-		io_status = g_io_channel_flush( gmyth_socket->sd_io_ch, &error );
-		/* verify if the input (read) buffer is ready to receive data */
-		io_cond = g_io_channel_get_buffer_condition( gmyth_socket->sd_io_ch );
-	
-		//if ( ( io_cond & G_IO_IN ) != 0 ) {
-            //gchar *buffer_aux = NULL;
-
-		    /* removes trailing whitespace */
-		    //buffer_aux = g_strstrip (buffer);
-		    len = (gint)g_ascii_strtoull ( g_strstrip (buffer), NULL, 10 );
-
-            if (buffer != NULL) {
-                g_free (buffer);
-                buffer = NULL;
-            }
-            
-            /*            
-            if (buffer_aux != NULL) {
-                g_free (buffer_aux);
-                buffer_aux = NULL;
-            }
-            */
-
-            buffer = g_new0 (gchar, len+1);
-	
-		    bytes_read = 0;
-		    io_status = g_io_channel_read_chars( gmyth_socket->sd_io_ch, buffer, len, &bytes_read, &error);
-		    buffer[bytes_read] = '\0';
-		//}
-    }  
-
-    //g_static_mutex_unlock( &mutex );
-
-    gmyth_debug ("Response received from backend: {%s}\n", buffer);
-
-    if ( ( bytes_read != len ) || ( io_status == G_IO_STATUS_ERROR ) )
-		str = NULL;
-    else
-		str = g_string_new (buffer);
-
-    if ( error != NULL ) {
-		g_printerr( "[%s] Error found receiving response from the IO channel: (%d, %s)\n", __FUNCTION__, error->code, error->message );
-		str = NULL;
-		g_error_free (error);
-    }
-
-    g_free (buffer);
-    return str;
-}
-
-/** Format a Mythtv command from the str_list entries and send it to backend.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @param str_list The string list to form the command
- * @return TRUE if command was sent, FALSE if any error happens.
- */
-gboolean
-gmyth_socket_write_stringlist(GMythSocket *gmyth_socket, GMythStringList* str_list)
-{
-
-    GList *tmp_list = NULL;
-    GPtrArray *ptr_array = NULL;
-    gchar *str_array = NULL;
-
-    g_static_mutex_lock( &mutex );
-
-    ptr_array = g_ptr_array_sized_new (g_list_length(str_list->glist));
-
-    // FIXME: change this implementation!
-    tmp_list = str_list->glist;
-    for(; tmp_list; tmp_list = tmp_list->next) {
-	if ( tmp_list->data != NULL ) {
-	    g_ptr_array_add(ptr_array, ((GString*)tmp_list->data)->str);
-	} else {
-	    g_ptr_array_add (ptr_array, "");
-	}
-    }
-    g_ptr_array_add(ptr_array, NULL); // g_str_joinv() needs a NULL terminated string
-
-    str_array = g_strjoinv (MYTH_SEPARATOR, (gchar **) (ptr_array->pdata));
-
-    g_static_mutex_unlock( &mutex );
-
-    gmyth_debug ( "[%s] Sending socket request: %s\n", __FUNCTION__, str_array );
-
-    // Sends message to backend	
-    // TODO: implement looping to send remaining data, and add timeout testing!    
-    GString *command = g_string_new(str_array);
-    gmyth_socket_send_command(gmyth_socket, command);
-    g_string_free (command, TRUE);
-
-    g_free (str_array);
-    g_ptr_array_free (ptr_array, TRUE);
-
-    return TRUE;
-}
-
-/* Receives a backend command response and split it into the given string list.
- * 
- * @param gmyth_socket The GMythSocket instance.
- * @param str_list the string list to be filled.
- * @return The number of received strings.
- */
-gint
-gmyth_socket_read_stringlist (GMythSocket *gmyth_socket, GMythStringList* str_list)
-{
-    GString *response;
-    gchar **str_array;
-    gint i;
-
-    response = gmyth_socket_receive_response(gmyth_socket);
-    g_static_mutex_lock( &mutex );
-
-    gmyth_string_list_clear_all (str_list);	
-    str_array = g_strsplit (response->str, MYTH_SEPARATOR, -1);
-
-    for (i=0; i< g_strv_length (str_array); i++) {
-	gmyth_string_list_append_char_array (str_list, str_array[i] );
-    }
-    g_static_mutex_unlock( &mutex );
-
-    g_string_free (response, TRUE);
-    g_strfreev (str_array);
-
-    return gmyth_string_list_length (str_list);
-}
-
-/** Formats a Mythtv protocol command based on str_list and sends it to
- * the connected backend. The backend response is overwritten into str_list.
- *
- * @param gmyth_socket The GMythSocket instance.
- * @param str_list The string list to be sent, and on which the answer 
- * will be written.
- * @return TRUE if command was sent and an answer was received, FALSE if any
- * error happens.
- */
-gint
-gmyth_socket_sendreceive_stringlist (GMythSocket *gmyth_socket, GMythStringList *str_list)
-{
-    gmyth_socket_write_stringlist (gmyth_socket, str_list);
-
-    return gmyth_socket_read_stringlist (gmyth_socket, str_list);
-}