Ejemplo n.º 1
0
Archivo: meta.c Proyecto: mstorsjo/vlc
static lua_State * init( vlc_object_t *p_this, input_item_t * p_item, const char *psz_filename )
{
    lua_State * L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_this, "Could not create new Lua State" );
        return NULL;
    }

    vlclua_set_this( L, p_this );

    /* Load Lua libraries */
    luaL_openlibs( L ); /* XXX: Don't open all the libs? */

    luaL_register_namespace( L, "vlc", p_reg );

    luaopen_msg( L );
    luaopen_stream( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_object( L );
    luaopen_xml( L );
    luaopen_input_item( L, p_item );

    if( vlclua_add_modules_path( L, psz_filename ) )
    {
        msg_Warn( p_this, "Error while setting the module search path for %s",
                  psz_filename );
        lua_close( L );
        return NULL;
    }

    return L;
}
Ejemplo n.º 2
0
Archivo: meta.c Proyecto: Kafay/vlc
static lua_State * vlclua_meta_init( vlc_object_t *p_this, input_item_t * p_item )
{
    lua_State * L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_this, "Could not create new Lua State" );
        return NULL;
    }
    char *psz_meta;

    /* Load Lua libraries */
    luaL_openlibs( L ); /* XXX: Don't open all the libs? */

    luaL_register( L, "vlc", p_reg );

    luaopen_msg( L );
    luaopen_stream( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_object( L );
    luaopen_misc( L );

    lua_pushlightuserdata( L, p_this );
    lua_setfield( L, -2, "private" );

    psz_meta = input_item_GetName( p_item );
    lua_pushstring( L, psz_meta );
    lua_setfield( L, -2, "name" );
    free( psz_meta );

    psz_meta = input_item_GetArtist( p_item );
    lua_pushstring( L, psz_meta );
    lua_setfield( L, -2, "artist" );
    free( psz_meta );

    psz_meta = input_item_GetTitle( p_item ) ;
    lua_pushstring( L, psz_meta );
    lua_setfield( L, -2, "title" );
    free( psz_meta );

    psz_meta = input_item_GetAlbum( p_item );
    lua_pushstring( L, psz_meta );
    lua_setfield( L, -2, "album" );
    free( psz_meta );

    psz_meta = input_item_GetArtURL( p_item );
    lua_pushstring( L, psz_meta );
    lua_setfield( L, -2, "arturl" );
    free( psz_meta );
    /* XXX: all should be passed ( could use macro ) */

    return L;
}
Ejemplo n.º 3
0
Archivo: intf.c Proyecto: CSRedRat/vlc
static int Start_LuaIntf( vlc_object_t *p_this, const char *name )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_this;
    intf_sys_t *p_sys;
    lua_State *L;

    config_ChainParse( p_intf, "lua-", ppsz_intf_options, p_intf->p_cfg );

    char *psz_config;
    bool b_config_set = false;

    if( name == NULL )
    {
        char *n = var_InheritString( p_this, "lua-intf" );
        if( unlikely(n == NULL) )
            return VLC_EGENERIC;
        name = p_intf->psz_header = n;
    }
    else
        /* Cleaned up by vlc_object_release() */
        p_intf->psz_header = strdup( name );

    p_intf->p_sys = (intf_sys_t*)malloc( sizeof(intf_sys_t) );
    if( !p_intf->p_sys )
    {
        free( p_intf->psz_header );
        p_intf->psz_header = NULL;
        return VLC_ENOMEM;
    }
    p_sys = p_intf->p_sys;
    p_sys->psz_filename = vlclua_find_file( p_this, "intf", name );
    if( !p_sys->psz_filename )
    {
        msg_Err( p_intf, "Couldn't find lua interface script \"%s\".",
                 name );
        goto error;
    }
    msg_Dbg( p_intf, "Found lua interface script: %s", p_sys->psz_filename );

    L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_intf, "Could not create new Lua State" );
        goto error;
    }

    vlclua_set_this( L, p_intf );
    vlclua_set_intf( L, p_sys );

    luaL_openlibs( L );

    /* register our functions */
    luaL_register( L, "vlc", p_reg );

    /* register submodules */
    luaopen_acl( L );
    luaopen_config( L );
    luaopen_volume( L );
    luaopen_httpd( L );
    luaopen_input( L );
    luaopen_msg( L );
    luaopen_misc( L );
    luaopen_net( L );
    luaopen_object( L );
    luaopen_osd( L );
    luaopen_playlist( L );
    luaopen_sd( L );
    luaopen_stream( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_video( L );
    luaopen_vlm( L );
    luaopen_volume( L );
    luaopen_gettext( L );
    luaopen_xml( L );
    luaopen_equalizer( L );

    /* clean up */
    lua_pop( L, 1 );

    /* Setup the module search path */
    if( vlclua_add_modules_path( p_intf, L, p_sys->psz_filename ) )
    {
        msg_Warn( p_intf, "Error while setting the module search path for %s",
                  p_sys->psz_filename );
        lua_close( L );
        goto error;
    }

    /*
     * Get the lua-config string.
     * If the string is empty, try with the old http-* or telnet-* options
     * and build the right configuration line
     */
    psz_config = var_CreateGetNonEmptyString( p_intf, "lua-config" );
    if( !psz_config )
    {
        if( !strcmp( name, "http" ) )
        {
            char *psz_http_src = var_CreateGetNonEmptyString( p_intf, "http-src" );
            bool b_http_index = var_CreateGetBool( p_intf, "http-index" );
            if( psz_http_src )
            {
                char *psz_esc = config_StringEscape( psz_http_src );
                if( psz_config )
                {
                    char *psz_tmp;
                    asprintf( &psz_tmp, "%s,dir='%s'", psz_config, psz_esc );
                    free( psz_config );
                    psz_config = psz_tmp;
                }
                else
                    asprintf( &psz_config, "http={dir='%s'", psz_esc );
                free( psz_esc );
                free( psz_http_src );
            }
            if( psz_config )
            {
                char *psz_tmp;
                asprintf( &psz_tmp, "%s,no_index=%s}", psz_config, b_http_index ? "true" : "false" );
                free( psz_config );
                psz_config = psz_tmp;
            }
            else
                asprintf( &psz_config, "http={no_index=%s}", b_http_index ? "true" : "false" );
        }
        else if( !strcmp( name, "telnet" ) )
        {
            char *psz_telnet_host = var_CreateGetString( p_intf, "telnet-host" );
            if( !strcmp( psz_telnet_host, "*console" ) )
                ;
            else
            {
                vlc_url_t url;
                vlc_UrlParse( &url, psz_telnet_host, 0 );
                int i_telnet_port = var_CreateGetInteger( p_intf, "telnet-port" );
                if ( url.i_port != 0 )
                {
                    if ( i_telnet_port == TELNETPORT_DEFAULT )
                        i_telnet_port = url.i_port;
                    else if ( url.i_port != i_telnet_port )
                        msg_Warn( p_intf, "ignoring port %d (using %d)", url.i_port, i_telnet_port );
                }

                char *psz_esc_host = config_StringEscape( url.psz_host );
                free( psz_telnet_host );
                vlc_UrlClean( &url );

                asprintf( &psz_telnet_host, "telnet://%s:%d", psz_esc_host ? psz_esc_host : "", i_telnet_port );
                free( psz_esc_host );
            }

            char *psz_telnet_passwd = var_CreateGetString( p_intf, "telnet-password" );

            char *psz_esc_passwd = config_StringEscape( psz_telnet_passwd );

            asprintf( &psz_config, "telnet={host='%s',password='******'}", psz_telnet_host, psz_esc_passwd );

            free( psz_esc_passwd );
            free( psz_telnet_passwd );
            free( psz_telnet_host );
        }
        else if( !strcmp( name, "cli" ) )
        {
            char *psz_rc_host = var_CreateGetNonEmptyString( p_intf, "rc-host" );
            if( !psz_rc_host )
                psz_rc_host = var_CreateGetNonEmptyString( p_intf, "cli-host" );
            if( psz_rc_host )
            {
                char *psz_esc_host = config_StringEscape( psz_rc_host );
                asprintf( &psz_config, "cli={host='%s'}", psz_esc_host );

                free( psz_esc_host );
                free( psz_rc_host );
            }
        }
    }

    if( psz_config )
    {
        char *psz_buffer;
        if( asprintf( &psz_buffer, "config={%s}", psz_config ) != -1 )
        {
            char *psz_log = StripPasswords( psz_buffer );
            if( psz_log != NULL )
            {
                msg_Dbg( p_intf, "Setting config variable: %s", psz_log );
                free( psz_log );
            }

            if( luaL_dostring( L, psz_buffer ) == 1 )
                msg_Err( p_intf, "Error while parsing \"lua-config\"." );
            free( psz_buffer );
            lua_getglobal( L, "config" );
            if( lua_istable( L, -1 ) )
            {
                if( !strcmp( name, "cli" ) )
                {
                    lua_getfield( L, -1, "rc" );
                    if( lua_istable( L, -1 ) )
                    {
                        /* msg_Warn( p_intf, "The `rc' lua interface script "
                                          "was renamed `cli', please update "
                                          "your configuration!" ); */
                        lua_setfield( L, -2, "cli" );
                    }
                    else
                        lua_pop( L, 1 );
                }
                lua_getfield( L, -1, name );
                if( lua_istable( L, -1 ) )
                {
                    lua_setglobal( L, "config" );
                    b_config_set = true;
                }
            }
        }
        free( psz_config );
    }

    if( !b_config_set )
    {
        lua_newtable( L );
        lua_setglobal( L, "config" );
    }

    /* Wrapper for legacy telnet config */
    if ( !strcmp( name, "telnet" ) )
    {
        /* msg_Warn( p_intf, "The `telnet' lua interface script was replaced "
                          "by `cli', please update your configuration!" ); */

        char *wrapped_file = vlclua_find_file( p_this, "intf", "cli" );
        if( !wrapped_file )
        {
            msg_Err( p_intf, "Couldn't find lua interface script \"cli\", "
                             "needed by telnet wrapper" );
            lua_close( p_sys->L );
            goto error;
        }
        lua_pushstring( L, wrapped_file );
        lua_setglobal( L, "wrapped_file" );
        free( wrapped_file );
    }

    p_sys->L = L;

    vlc_mutex_init( &p_sys->lock );
    vlc_cond_init( &p_sys->wait );
    p_sys->exiting = false;

    if( vlc_clone( &p_sys->thread, Run, p_intf, VLC_THREAD_PRIORITY_LOW ) )
    {
        vlc_cond_destroy( &p_sys->wait );
        vlc_mutex_destroy( &p_sys->lock );
        lua_close( p_sys->L );
        goto error;
    }

    return VLC_SUCCESS;
error:
    free( p_sys->psz_filename );
    free( p_sys );
    free( p_intf->psz_header );
    p_intf->psz_header = NULL;
    return VLC_EGENERIC;
}
Ejemplo n.º 4
0
static int Start_LuaIntf( vlc_object_t *p_this, const char *name )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_this;
    intf_sys_t *p_sys;
    lua_State *L;

    config_ChainParse( p_intf, "lua-", ppsz_intf_options, p_intf->p_cfg );

    if( name == NULL )
    {
        char *n = var_InheritString( p_this, "lua-intf" );
        if( unlikely(n == NULL) )
            return VLC_EGENERIC;
        name = p_intf->psz_header = n;
    }
    else
        /* Cleaned up by vlc_object_release() */
        p_intf->psz_header = strdup( name );

    p_intf->p_sys = (intf_sys_t*)malloc( sizeof(intf_sys_t) );
    if( !p_intf->p_sys )
    {
        free( p_intf->psz_header );
        p_intf->psz_header = NULL;
        return VLC_ENOMEM;
    }
    p_sys = p_intf->p_sys;
    p_sys->psz_filename = vlclua_find_file( "intf", name );
    if( !p_sys->psz_filename )
    {
        msg_Err( p_intf, "Couldn't find lua interface script \"%s\".",
                 name );
        goto error;
    }
    msg_Dbg( p_intf, "Found lua interface script: %s", p_sys->psz_filename );

    L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_intf, "Could not create new Lua State" );
        goto error;
    }

    vlclua_set_this( L, p_intf );
    vlclua_set_intf( L, p_sys );

    luaL_openlibs( L );

    /* register our functions */
    luaL_register( L, "vlc", p_reg );

    /* register submodules */
    luaopen_config( L );
    luaopen_volume( L );
    luaopen_httpd( L );
    luaopen_input( L );
    luaopen_msg( L );
    luaopen_misc( L );
    luaopen_net( L );
    luaopen_object( L );
    luaopen_osd( L );
    luaopen_playlist( L );
    luaopen_sd( L );
    luaopen_stream( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_video( L );
    luaopen_vlm( L );
    luaopen_volume( L );
    luaopen_gettext( L );
    luaopen_xml( L );
    luaopen_equalizer( L );
#if defined(WIN32) && !defined(WINAPI_FAMILY_APP)
    luaopen_win( L );
#endif

    /* clean up */
    lua_pop( L, 1 );

    /* Setup the module search path */
    if( vlclua_add_modules_path( L, p_sys->psz_filename ) )
    {
        msg_Warn( p_intf, "Error while setting the module search path for %s",
                  p_sys->psz_filename );
        lua_close( L );
        goto error;
    }

    /*
     * Get the lua-config string.
     * If the string is empty, try with the old http-* or telnet-* options
     * and build the right configuration line
     */
    bool b_config_set = false;
    char *psz_config = var_InheritString( p_intf, "lua-config" );
    if( !psz_config )
        psz_config = MakeConfig( p_intf, name );

    if( psz_config )
    {
        char *psz_buffer;
        if( asprintf( &psz_buffer, "config={%s}", psz_config ) != -1 )
        {
            char *psz_log = StripPasswords( psz_buffer );
            if( psz_log != NULL )
            {
                msg_Dbg( p_intf, "Setting config variable: %s", psz_log );
                free( psz_log );
            }

            if( luaL_dostring( L, psz_buffer ) == 1 )
                msg_Err( p_intf, "Error while parsing \"lua-config\"." );
            free( psz_buffer );
            lua_getglobal( L, "config" );
            if( lua_istable( L, -1 ) )
            {
                if( !strcmp( name, "cli" ) )
                {
                    lua_getfield( L, -1, "rc" );
                    if( lua_istable( L, -1 ) )
                    {
                        /* msg_Warn( p_intf, "The `rc' lua interface script "
                                          "was renamed `cli', please update "
                                          "your configuration!" ); */
                        lua_setfield( L, -2, "cli" );
                    }
                    else
                        lua_pop( L, 1 );
                }
                lua_getfield( L, -1, name );
                if( lua_istable( L, -1 ) )
                {
                    lua_setglobal( L, "config" );
                    b_config_set = true;
                }
            }
        }
        free( psz_config );
    }

    if( !b_config_set )
    {
        lua_newtable( L );
        lua_setglobal( L, "config" );
    }

    /* Wrapper for legacy telnet config */
    if ( !strcmp( name, "telnet" ) )
    {
        /* msg_Warn( p_intf, "The `telnet' lua interface script was replaced "
                          "by `cli', please update your configuration!" ); */

        char *wrapped_file = vlclua_find_file( "intf", "cli" );
        if( !wrapped_file )
        {
            msg_Err( p_intf, "Couldn't find lua interface script \"cli\", "
                             "needed by telnet wrapper" );
            lua_close( p_sys->L );
            goto error;
        }
        lua_pushstring( L, wrapped_file );
        lua_setglobal( L, "wrapped_file" );
        free( wrapped_file );
    }

    p_sys->L = L;

    if( vlc_clone( &p_sys->thread, Run, p_intf, VLC_THREAD_PRIORITY_LOW ) )
    {
        lua_close( p_sys->L );
        goto error;
    }

    return VLC_SUCCESS;
error:
    free( p_sys->psz_filename );
    free( p_sys );
    free( p_intf->psz_header );
    p_intf->psz_header = NULL;
    return VLC_EGENERIC;
}
Ejemplo n.º 5
0
/*****************************************************************************
 * Open: initialize and create stuff
 *****************************************************************************/
int Open_LuaSD( vlc_object_t *p_this )
{
    services_discovery_t *p_sd = ( services_discovery_t * )p_this;
    services_discovery_sys_t *p_sys;
    lua_State *L = NULL;
    char *psz_name;

    if( !( p_sys = malloc( sizeof( services_discovery_sys_t ) ) ) )
        return VLC_ENOMEM;

    if( !strcmp( p_sd->psz_name, "lua" ) ||
        !strcmp( p_sd->psz_name, "luasd" ) )
    {
        // We want to load the module name "lua"
        // This module can be used to load lua script not registered
        // as builtin lua SD modules.
        config_ChainParse( p_sd, "lua-", ppsz_sd_options, p_sd->p_cfg );
        psz_name = var_GetString( p_sd, "lua-sd" );
    }
    else
    {
        // We are loading a builtin lua sd module.
        psz_name = strdup(p_sd->psz_name);
    }

    p_sd->p_sys = p_sys;
    p_sd->pf_control = Control;
    p_sys->psz_filename = vlclua_find_file( "sd", psz_name );
    if( !p_sys->psz_filename )
    {
        msg_Err( p_sd, "Couldn't find lua services discovery script \"%s\".",
                 psz_name );
        free( psz_name );
        goto error;
    }
    free( psz_name );
    L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_sd, "Could not create new Lua State" );
        goto error;
    }
    vlclua_set_this( L, p_sd );
    luaL_openlibs( L );
    luaL_register_namespace( L, "vlc", p_reg );
    luaopen_input( L );
    luaopen_msg( L );
    luaopen_object( L );
    luaopen_sd_sd( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_stream( L );
    luaopen_gettext( L );
    luaopen_xml( L );
    lua_pop( L, 1 );

    if( vlclua_add_modules_path( L, p_sys->psz_filename ) )
    {
        msg_Warn( p_sd, "Error while setting the module search path for %s",
                  p_sys->psz_filename );
        goto error;
    }
    if( vlclua_dofile( VLC_OBJECT(p_sd), L, p_sys->psz_filename ) )
    {
        msg_Err( p_sd, "Error loading script %s: %s", p_sys->psz_filename,
                  lua_tostring( L, lua_gettop( L ) ) );
        lua_pop( L, 1 );
        goto error;
    }

    // No strdup(), just don't remove the string from the lua stack
    p_sd->description = vlclua_sd_description( VLC_OBJECT(p_sd), L,
                                               p_sys->psz_filename );
    if( p_sd->description == NULL )
        p_sd->description = p_sd->psz_name;

    p_sys->L = L;
    vlc_mutex_init( &p_sys->lock );
    vlc_cond_init( &p_sys->cond );
    TAB_INIT( p_sys->i_query, p_sys->ppsz_query );

    if( vlc_clone( &p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW ) )
    {
        TAB_CLEAN( p_sys->i_query, p_sys->ppsz_query );
        vlc_cond_destroy( &p_sys->cond );
        vlc_mutex_destroy( &p_sys->lock );
        goto error;
    }
    return VLC_SUCCESS;

error:
    if( L )
        lua_close( L );
    free( p_sys->psz_filename );
    free( p_sys );
    return VLC_EGENERIC;
}
Ejemplo n.º 6
0
int Open_LuaIntf( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_this;
    intf_sys_t *p_sys;
    lua_State *L;

    config_ChainParse( p_intf, "lua-", ppsz_intf_options, p_intf->p_cfg );
    char *psz_name = NULL;

    if( !p_intf->psz_intf || !*p_intf->psz_intf )
        psz_name = strdup( "rc" );
    else
        psz_name = GetModuleName( p_intf );

    if( !psz_name ) psz_name = strdup( "dummy" );

    char *psz_config;
    bool b_config_set = false;

    p_intf->p_sys = (intf_sys_t*)malloc( sizeof(intf_sys_t) );
    if( !p_intf->p_sys )
    {
        free( psz_name );
        return VLC_ENOMEM;
    }
    p_sys = p_intf->p_sys;
    p_sys->psz_filename = vlclua_find_file( p_this, "intf", psz_name );
    if( !p_sys->psz_filename )
    {
        msg_Err( p_intf, "Couldn't find lua interface script \"%s\".",
                 psz_name );
        goto error;
    }
    msg_Dbg( p_intf, "Found lua interface script: %s", p_sys->psz_filename );

    L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_intf, "Could not create new Lua State" );
        goto error;
    }

    vlclua_set_this( L, p_intf );
    vlclua_set_intf( L, p_sys );

    luaL_openlibs( L );

    /* register our functions */
    luaL_register( L, "vlc", p_reg );

    /* register submodules */
    luaopen_acl( L );
    luaopen_config( L );
    luaopen_volume( L );
    luaopen_httpd( L );
    luaopen_input( L );
    luaopen_msg( L );
    luaopen_misc( L );
    luaopen_net( L );
    luaopen_object( L );
    luaopen_osd( L );
    luaopen_playlist( L );
    luaopen_sd( L );
    luaopen_stream( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_video( L );
    luaopen_vlm( L );
    luaopen_volume( L );
    luaopen_gettext( L );
    luaopen_xml( L );
    luaopen_md5( L );

    /* clean up */
    lua_pop( L, 1 );

    /* Setup the module search path */
    if( vlclua_add_modules_path( p_intf, L, p_sys->psz_filename ) )
    {
        msg_Warn( p_intf, "Error while setting the module search path for %s",
                  p_sys->psz_filename );
        lua_close( L );
        goto error;
    }

    /*
     * Get the lua-config string.
     * If the string is empty, try with the old http-* or telnet-* options
     * and build the right configuration line
     */
    psz_config = var_CreateGetNonEmptyString( p_intf, "lua-config" );
    if( !psz_config )
    {
        if( !strcmp( psz_name, "http" ) )
        {
            char *psz_http_host = var_CreateGetNonEmptyString( p_intf, "http-host" );
            char *psz_http_src = var_CreateGetNonEmptyString( p_intf, "http-src" );
            bool b_http_index = var_CreateGetBool( p_intf, "http-index" );
            if( psz_http_host )
            {
                char *psz_esc = config_StringEscape( psz_http_host );
                asprintf( &psz_config, "http={host='%s'", psz_esc );
                free( psz_esc );
                free( psz_http_host );
            }
            if( psz_http_src )
            {
                char *psz_esc = config_StringEscape( psz_http_src );
                if( psz_config )
                {
                    char *psz_tmp;
                    asprintf( &psz_tmp, "%s,dir='%s'", psz_config, psz_esc );
                    free( psz_config );
                    psz_config = psz_tmp;
                }
                else
                    asprintf( &psz_config, "http={dir='%s'", psz_esc );
                free( psz_esc );
                free( psz_http_src );
            }
            if( psz_config )
            {
                char *psz_tmp;
                asprintf( &psz_tmp, "%s,no_index=%s}", psz_config, b_http_index ? "true" : "false" );
                free( psz_config );
                psz_config = psz_tmp;
            }
            else
                asprintf( &psz_config, "http={no_index=%s}", b_http_index ? "true" : "false" );
        }
        else if( !strcmp( psz_name, "telnet" ) )
        {
            char *psz_telnet_host = var_CreateGetString( p_intf, "telnet-host" );
            int i_telnet_port = var_CreateGetInteger( p_intf, "telnet-port" );
            char *psz_telnet_passwd = var_CreateGetString( p_intf, "telnet-password" );

            char *psz_esc_host = config_StringEscape( psz_telnet_host );
            char *psz_esc_passwd = config_StringEscape( psz_telnet_passwd );

            asprintf( &psz_config, "telnet={host='%s:%d',password='******'}", psz_esc_host ? psz_esc_host : "", i_telnet_port, psz_esc_passwd );

            free( psz_esc_host );
            free( psz_esc_passwd );
            free( psz_telnet_passwd );
            free( psz_telnet_host );
        }
        else if( !strcmp( psz_name, "rc" ) )
        {
            char *psz_rc_host = var_CreateGetNonEmptyString( p_intf, "rc-host" );
            if( psz_rc_host )
            {
                char *psz_esc_host = config_StringEscape( psz_rc_host );
                asprintf( &psz_config, "rc={host='%s'}", psz_esc_host );

                free( psz_esc_host );
                free( psz_rc_host );
            }
        }
    }

    if( psz_config )
    {
        char *psz_buffer;
        if( asprintf( &psz_buffer, "config={%s}", psz_config ) != -1 )
        {
            msg_Dbg( p_intf, "Setting config variable: %s", psz_buffer );
            if( luaL_dostring( L, psz_buffer ) == 1 )
                msg_Err( p_intf, "Error while parsing \"lua-config\"." );
            free( psz_buffer );
            lua_getglobal( L, "config" );
            if( lua_istable( L, -1 ) )
            {
                lua_getfield( L, -1, psz_name );
                if( lua_istable( L, -1 ) )
                {
                    lua_setglobal( L, "config" );
                    b_config_set = true;
                }
            }
        }
        free( psz_config );
    }

    if( b_config_set == false )
    {
        lua_newtable( L );
        lua_setglobal( L, "config" );
    }

    p_sys->L = L;

    p_intf->psz_header = psz_name;
    /* ^^ Do I need to clean that up myself in Close_LuaIntf? */

    vlc_mutex_init( &p_sys->lock );
    vlc_cond_init( &p_sys->wait );
    p_sys->exiting = false;

    if( vlc_clone( &p_sys->thread, Run, p_intf, VLC_THREAD_PRIORITY_LOW ) )
    {
        p_intf->psz_header = NULL;
        vlc_cond_destroy( &p_sys->wait );
        vlc_mutex_destroy( &p_sys->lock );
        lua_close( p_sys->L );
        goto error;
    }

    return VLC_SUCCESS;
error:
    free( p_sys->psz_filename );
    free( p_sys );
    free( psz_name );
    return VLC_EGENERIC;
}
Ejemplo n.º 7
0
Archivo: demux.c Proyecto: rlugojr/vlc
/*****************************************************************************
 * Called through lua_scripts_batch_execute to call 'probe' on
 * the script pointed by psz_filename.
 *****************************************************************************/
static int probe_luascript( vlc_object_t *p_this, const char * psz_filename,
                            const luabatch_context_t *p_context )
{
    VLC_UNUSED(p_context);
    demux_t * p_demux = (demux_t *)p_this;

    p_demux->p_sys->psz_filename = strdup(psz_filename);

    /* Initialise Lua state structure */
    lua_State *L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_demux, "Could not create new Lua State" );
        goto error;
    }
    p_demux->p_sys->L = L;

    /* Load Lua libraries */
    luaL_openlibs( L ); /* FIXME: Don't open all the libs? */

    vlclua_set_this( L, p_demux );
    luaL_register_namespace( L, "vlc", p_reg );
    luaopen_msg( L );
    luaopen_strings( L );
    luaopen_stream( L );
    luaopen_variables( L );
    luaopen_xml( L );
    lua_pushstring( L, p_demux->psz_location );
    lua_setfield( L, -2, "path" );
    lua_pushstring( L, p_demux->psz_access );
    lua_setfield( L, -2, "access" );

    lua_pop( L, 1 );

    /* Setup the module search path */
    if( vlclua_add_modules_path( L, psz_filename ) )
    {
        msg_Warn( p_demux, "Error while setting the module search path for %s",
                  psz_filename );
        goto error;
    }

    /* Load and run the script(s) */
    if( vlclua_dofile( VLC_OBJECT(p_demux), L, psz_filename ) )
    {
        msg_Warn( p_demux, "Error loading script %s: %s", psz_filename,
                  lua_tostring( L, lua_gettop( L ) ) );
        goto error;
    }

    lua_getglobal( L, "probe" );

    if( !lua_isfunction( L, -1 ) )
    {
        msg_Warn( p_demux, "Error while running script %s, "
                  "function probe() not found", psz_filename );
        goto error;
    }

    if( lua_pcall( L, 0, 1, 0 ) )
    {
        msg_Warn( p_demux, "Error while running script %s, "
                  "function probe(): %s", psz_filename,
                  lua_tostring( L, lua_gettop( L ) ) );
        goto error;
    }

    if( lua_gettop( L ) )
    {
        if( lua_toboolean( L, 1 ) )
        {
            msg_Dbg( p_demux, "Lua playlist script %s's "
                     "probe() function was successful", psz_filename );
            lua_pop( L, 1 );
            return VLC_SUCCESS;
        }
    }

error:
    lua_pop( L, 1 );
    lua_close( p_demux->p_sys->L );
    p_demux->p_sys->L = NULL;
    FREENULL( p_demux->p_sys->psz_filename );
    return VLC_EGENERIC;
}
Ejemplo n.º 8
0
/*****************************************************************************
 * Open: initialize and create stuff
 *****************************************************************************/
int Open_LuaSD( vlc_object_t *p_this )
{
    services_discovery_t *p_sd = ( services_discovery_t * )p_this;
    services_discovery_sys_t *p_sys;
    lua_State *L = NULL;
    char *psz_name = NULL;

    if( !strcmp(p_sd->psz_name, "lua"))
    {
        // We want to load the module name "lua"
        // This module can be used to load lua script not registered
        // as builtin lua SD modules.
        config_ChainParse( p_sd, "lua-", ppsz_sd_options, p_sd->p_cfg );
        psz_name = var_CreateGetString( p_sd, "lua-sd" );
    }
    else
    {
        // We are loading a builtin lua sd module.
        psz_name = strdup(p_sd->psz_name);
    }

    if( !( p_sys = malloc( sizeof( services_discovery_sys_t ) ) ) )
    {
        free( psz_name );
        return VLC_ENOMEM;
    }
    p_sd->p_sys = p_sys;
    p_sys->psz_filename = vlclua_find_file( p_this, "sd", psz_name );
    if( !p_sys->psz_filename )
    {
        msg_Err( p_sd, "Couldn't find lua services discovery script \"%s\".",
                 psz_name );
        free( psz_name );
        goto error;
    }
    free( psz_name );
    L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_sd, "Could not create new Lua State" );
        goto error;
    }
    vlclua_set_this( L, p_sd );
    luaL_openlibs( L );
    luaL_register( L, "vlc", p_reg );
    luaopen_input( L );
    luaopen_msg( L );
    luaopen_misc( L );
    luaopen_net( L );
    luaopen_object( L );
    luaopen_sd( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_stream( L );
    luaopen_gettext( L );
    luaopen_xml( L );
    luaopen_md5( L );
    lua_pop( L, 1 );

    if( vlclua_add_modules_path( p_sd, L, p_sys->psz_filename ) )
    {
        msg_Warn( p_sd, "Error while setting the module search path for %s",
                  p_sys->psz_filename );
        goto error;
    }
    if( luaL_dofile( L, p_sys->psz_filename ) )
    {

        msg_Err( p_sd, "Error loading script %s: %s", p_sys->psz_filename,
                  lua_tostring( L, lua_gettop( L ) ) );
        lua_pop( L, 1 );
        goto error;
    }
    p_sys->L = L;
    if( vlc_clone (&p_sd->p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW) )
    {
        goto error;
    }
    return VLC_SUCCESS;
error:
    if( L )
        lua_close( L );
    free( p_sys->psz_filename );
    free( p_sys );
    return VLC_EGENERIC;
}
Ejemplo n.º 9
0
int Open_LuaIntf( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_this;
    intf_sys_t *p_sys;
    lua_State *L;

    config_ChainParse( p_intf, "lua-", ppsz_intf_options, p_intf->p_cfg );
    char *psz_name = GetModuleName( p_intf );
    const char *psz_config;
    bool b_config_set = false;
    if( !psz_name ) psz_name = strdup( "dummy" );

    p_intf->p_sys = (intf_sys_t*)malloc( sizeof(intf_sys_t) );
    if( !p_intf->p_sys )
    {
        free( psz_name );
        return VLC_ENOMEM;
    }
    p_sys = p_intf->p_sys;
    p_sys->psz_filename = FindFile( psz_name );
    if( !p_sys->psz_filename )
    {
        msg_Err( p_intf, "Couldn't find lua interface script \"%s\".",
                 psz_name );
        free( psz_name );
        free( p_sys );
        return VLC_EGENERIC;
    }
    msg_Dbg( p_intf, "Found lua interface script: %s", p_sys->psz_filename );

    L = luaL_newstate();
    if( !L )
    {
        msg_Err( p_intf, "Could not create new Lua State" );
        free( psz_name );
        free( p_sys );
        return VLC_EGENERIC;
    }

    luaL_openlibs( L );

    /* register our functions */
    luaL_register( L, "vlc", p_reg );

    /* store a pointer to p_intf (FIXME: user could overwrite this) */
    lua_pushlightuserdata( L, p_intf );
    lua_setfield( L, -2, "private" );

    /* register submodules */
    luaopen_acl( L );
    luaopen_config( L );
    luaopen_volume( L );
    luaopen_httpd( L );
    luaopen_input( L );
    luaopen_msg( L );
    luaopen_misc( L );
    luaopen_net( L );
    luaopen_object( L );
    luaopen_osd( L );
    luaopen_playlist( L );
    luaopen_sd( L );
    luaopen_stream( L );
    luaopen_strings( L );
    luaopen_variables( L );
    luaopen_video( L );
    luaopen_vlm( L );
    luaopen_volume( L );

    /* clean up */
    lua_pop( L, 1 );

    /* <gruik> */
    /* Setup the module search path */
    {
    char *psz_command;
    char *psz_char = strrchr(p_sys->psz_filename,DIR_SEP_CHAR);
    *psz_char = '\0';
    /* FIXME: don't use luaL_dostring */
    if( asprintf( &psz_command,
                  "package.path = \"%s"DIR_SEP"modules"DIR_SEP"?.lua;\"..package.path",
                  p_sys->psz_filename ) < 0 )
    {
        free( psz_name );
        free( p_sys );
        return VLC_EGENERIC;
    }
    *psz_char = DIR_SEP_CHAR;
    if( luaL_dostring( L, psz_command ) )
    {
        free( psz_name );
        free( p_sys );
        return VLC_EGENERIC;
    }
    }
    /* </gruik> */

    psz_config = var_CreateGetString( p_intf, "lua-config" );
    if( psz_config && *psz_config )
    {
        char *psz_buffer;
        if( asprintf( &psz_buffer, "config={%s}", psz_config ) != -1 )
        {
            printf("%s\n", psz_buffer);
            if( luaL_dostring( L, psz_buffer ) == 1 )
                msg_Err( p_intf, "Error while parsing \"lua-config\"." );
            free( psz_buffer );
            lua_getglobal( L, "config" );
            if( lua_istable( L, -1 ) )
            {
                lua_getfield( L, -1, psz_name );
                if( lua_istable( L, -1 ) )
                {
                    lua_setglobal( L, "config" );
                    b_config_set = true;
                }
            }
        }
    }
    if( b_config_set == false )
    {
        lua_newtable( L );
        lua_setglobal( L, "config" );
    }

    p_sys->L = L;

    p_intf->psz_header = psz_name;
    /* ^^ Do I need to clean that up myself in Close_LuaIntf? */

    vlc_mutex_init( &p_sys->lock );
    vlc_cond_init( &p_sys->wait );
    p_sys->exiting = false;

    if( vlc_clone( &p_sys->thread, Run, p_intf, VLC_THREAD_PRIORITY_LOW ) )
    {
        p_sys->exiting = true;
        Close_LuaIntf( p_this );
        return VLC_ENOMEM;
    }

    return VLC_SUCCESS;
}
Ejemplo n.º 10
0
/*****************************************************************************
 * Called through lua_scripts_batch_execute to call 'probe' on
 * the script pointed by psz_filename.
 *****************************************************************************/
static int probe_luascript(vlc_object_t *obj, const char *filename,
                           const luabatch_context_t *ctx)
{
    stream_t *s = (stream_t *)obj;
    struct vlclua_playlist *sys = s->p_sys;

    /* Initialise Lua state structure */
    lua_State *L = luaL_newstate();
    if( !L )
        return VLC_ENOMEM;

    sys->L = L;

    /* Load Lua libraries */
    luaL_openlibs( L ); /* FIXME: Don't open all the libs? */

    vlclua_set_this(L, s);
    luaL_register_namespace( L, "vlc", p_reg );
    luaopen_msg( L );
    luaopen_strings( L );
    luaopen_stream( L );
    luaopen_variables( L );
    luaopen_xml( L );

    if (sys->path != NULL)
        lua_pushstring(L, sys->path);
    else
        lua_pushnil(L);
    lua_setfield( L, -2, "path" );

    if (sys->access != NULL)
        lua_pushstring(L, sys->access);
    else
        lua_pushnil(L);
    lua_setfield( L, -2, "access" );

    lua_pop( L, 1 );

    /* Setup the module search path */
    if (vlclua_add_modules_path(L, filename))
    {
        msg_Warn(s, "error setting the module search path for %s", filename);
        goto error;
    }

    /* Load and run the script(s) */
    if (vlclua_dofile(VLC_OBJECT(s), L, filename))
    {
        msg_Warn(s, "error loading script %s: %s", filename,
                 lua_tostring(L, lua_gettop(L)));
        goto error;
    }

    lua_getglobal( L, "probe" );
    if( !lua_isfunction( L, -1 ) )
    {
        msg_Warn(s, "error running script %s: function %s(): %s",
                 filename, "probe", "not found");
        goto error;
    }

    if( lua_pcall( L, 0, 1, 0 ) )
    {
        msg_Warn(s, "error running script %s: function %s(): %s",
                 filename, "probe", lua_tostring(L, lua_gettop(L)));
        goto error;
    }

    if( lua_gettop( L ) )
    {
        if( lua_toboolean( L, 1 ) )
        {
            msg_Dbg(s, "Lua playlist script %s's "
                    "probe() function was successful", filename );
            lua_pop( L, 1 );
            sys->filename = strdup(filename);
            return VLC_SUCCESS;
        }
    }

    (void) ctx;
error:
    lua_pop( L, 1 );
    lua_close(sys->L);
    return VLC_EGENERIC;
}