1.1 --- a/branches/gmyth-0.1b/src/gmyth_file_transfer.c Wed Feb 14 23:06:17 2007 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,705 +0,0 @@
1.4 -/**
1.5 - * GMyth Library
1.6 - *
1.7 - * @file gmyth/gmyth_file_transfer.c
1.8 - *
1.9 - * @brief <p> GMythFileTransfer deals with the file streaming media remote/local
1.10 - * transfering to the MythTV frontend.
1.11 - *
1.12 - * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.
1.13 - * @author Rosfran Lins Borges <rosfran.borges@indt.org.br>
1.14 - *
1.15 - *//*
1.16 - *
1.17 - * This program is free software; you can redistribute it and/or modify
1.18 - * it under the terms of the GNU Lesser General Public License as published by
1.19 - * the Free Software Foundation; either version 2 of the License, or
1.20 - * (at your option) any later version.
1.21 - *
1.22 - * This program is distributed in the hope that it will be useful,
1.23 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.24 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.25 - * GNU General Public License for more details.
1.26 - *
1.27 - * You should have received a copy of the GNU Lesser General Public License
1.28 - * along with this program; if not, write to the Free Software
1.29 - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1.30 - *
1.31 - * GStreamer MythTV plug-in properties:
1.32 - * - location (backend server hostname/URL) [ex.: myth://192.168.1.73:28722/1000_1092091.nuv]
1.33 - * - path (qurl - remote file to be opened)
1.34 - * - port number *
1.35 - */
1.36 -
1.37 -#ifdef HAVE_CONFIG_H
1.38 -#include "config.h"
1.39 -#endif
1.40 -
1.41 -#include "gmyth_file_transfer.h"
1.42 -#include "gmyth_livetv.h"
1.43 -#include "gmyth_util.h"
1.44 -#include "gmyth_socket.h"
1.45 -#include "gmyth_stringlist.h"
1.46 -#include "gmyth_debug.h"
1.47 -#include "gmyth_uri.h"
1.48 -#include "gmyth_marshal.h"
1.49 -
1.50 -#include <unistd.h>
1.51 -#include <glib.h>
1.52 -
1.53 -#include <arpa/inet.h>
1.54 -#include <sys/types.h>
1.55 -#include <sys/socket.h>
1.56 -#include <netdb.h>
1.57 -#include <errno.h>
1.58 -#include <stdlib.h>
1.59 -#include <assert.h>
1.60 -
1.61 -#define GMYTHTV_QUERY_HEADER "QUERY_FILETRANSFER "
1.62 -
1.63 -/* default values to the file transfer parameters */
1.64 -#define GMYTHTV_USER_READ_AHEAD TRUE
1.65 -#define GMYTHTV_RETRIES -1
1.66 -#define GMYTHTV_FILE_SIZE 0
1.67 -
1.68 -#define GMYTHTV_BUFFER_SIZE 64*1024
1.69 -
1.70 -#define GMYTHTV_VERSION 30
1.71 -
1.72 -#define GMYTHTV_TRANSFER_MAX_WAITS 700
1.73 -
1.74 -#ifdef GMYTHTV_ENABLE_DEBUG
1.75 -#define GMYTHTV_ENABLE_DEBUG 1
1.76 -#else
1.77 -#undef GMYTHTV_ENABLE_DEBUG
1.78 -#endif
1.79 -
1.80 -/* this NDEBUG is to maintain compatibility with GMyth library */
1.81 -#ifndef NDEBUG
1.82 -#define GMYTHTV_ENABLE_DEBUG 1
1.83 -#endif
1.84 -
1.85 -enum myth_sock_types {
1.86 - GMYTH_PLAYBACK_TYPE = 0,
1.87 - GMYTH_MONITOR_TYPE,
1.88 - GMYTH_FILETRANSFER_TYPE,
1.89 - GMYTH_RINGBUFFER_TYPE
1.90 -};
1.91 -
1.92 -#define GMYTH_FILE_TRANSFER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GMYTH_FILE_TRANSFER_TYPE, GMythFileTransferPrivate))
1.93 -
1.94 -struct _GMythFileTransferPrivate {
1.95 -
1.96 - GMythLiveTV *livetv;
1.97 -
1.98 - gboolean do_next_program_chain;
1.99 -
1.100 -};
1.101 -
1.102 -static void gmyth_file_transfer_class_init (GMythFileTransferClass *klass);
1.103 -static void gmyth_file_transfer_init (GMythFileTransfer *object);
1.104 -
1.105 -static void gmyth_file_transfer_dispose (GObject *object);
1.106 -static void gmyth_file_transfer_finalize (GObject *object);
1.107 -
1.108 -static void gmyth_file_transfer_program_info_changed( GMythFileTransfer *transfer,
1.109 - gint msg_code, gpointer livetv_transfer );
1.110 -
1.111 -static gboolean gmyth_connect_to_backend (GMythFileTransfer *transfer);
1.112 -
1.113 -void gmyth_file_transfer_close( GMythFileTransfer *transfer );
1.114 -
1.115 -static gboolean myth_control_acquire_context( gboolean do_wait );
1.116 -
1.117 -static gboolean myth_control_release_context( );
1.118 -
1.119 -G_DEFINE_TYPE(GMythFileTransfer, gmyth_file_transfer, G_TYPE_OBJECT)
1.120 -
1.121 -static void
1.122 -gmyth_file_transfer_class_init (GMythFileTransferClass *klass)
1.123 -{
1.124 - GObjectClass *gobject_class;
1.125 - GMythFileTransferClass *gtransfer_class;
1.126 -
1.127 - gobject_class = (GObjectClass *) klass;
1.128 - gtransfer_class = (GMythFileTransferClass *) gobject_class;
1.129 -
1.130 - gobject_class->dispose = gmyth_file_transfer_dispose;
1.131 - gobject_class->finalize = gmyth_file_transfer_finalize;
1.132 -
1.133 - g_type_class_add_private (gobject_class, sizeof (GMythFileTransferPrivate));
1.134 -
1.135 - gtransfer_class->program_info_changed_handler = gmyth_file_transfer_program_info_changed;
1.136 -
1.137 - gtransfer_class->program_info_changed_handler_signal_id =
1.138 - g_signal_new ( "program-info-changed",
1.139 - G_TYPE_FROM_CLASS (gtransfer_class),
1.140 - G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS,
1.141 - 0,
1.142 - NULL,
1.143 - NULL,
1.144 - gmyth_marshal_VOID__INT_POINTER,
1.145 - G_TYPE_NONE,
1.146 - 2,
1.147 - G_TYPE_INT,
1.148 - G_TYPE_POINTER );
1.149 -
1.150 -}
1.151 -
1.152 -static void
1.153 -gmyth_file_transfer_init (GMythFileTransfer *transfer)
1.154 -{
1.155 - g_return_if_fail( transfer != NULL );
1.156 -
1.157 - transfer->readposition = 0;
1.158 - transfer->filesize = GMYTHTV_FILE_SIZE;
1.159 -
1.160 - transfer->priv = GMYTH_FILE_TRANSFER_GET_PRIVATE(transfer);
1.161 -
1.162 - transfer->priv->do_next_program_chain = FALSE;
1.163 - transfer->priv->livetv = NULL;
1.164 -
1.165 - transfer->control_sock = NULL;
1.166 - transfer->sock = NULL;
1.167 -
1.168 - transfer->mutex = g_mutex_new();
1.169 -
1.170 - g_signal_connect ( G_OBJECT (transfer), "program-info-changed",
1.171 - (GCallback)(GMYTH_FILE_TRANSFER_GET_CLASS(transfer)->program_info_changed_handler),
1.172 - NULL );
1.173 -
1.174 -}
1.175 -
1.176 -static void
1.177 -gmyth_file_transfer_dispose (GObject *object)
1.178 -{
1.179 - GMythFileTransfer *transfer = GMYTH_FILE_TRANSFER (object);
1.180 -
1.181 - if ( transfer->mutex != NULL )
1.182 - {
1.183 - g_mutex_free( transfer->mutex );
1.184 - transfer->mutex = NULL;
1.185 - }
1.186 -
1.187 - if ( transfer->control_sock != NULL )
1.188 - {
1.189 - g_object_unref( transfer->control_sock );
1.190 - transfer->control_sock = NULL;
1.191 - }
1.192 -
1.193 - if ( transfer->sock != NULL )
1.194 - {
1.195 - g_object_unref( transfer->sock );
1.196 - transfer->sock = NULL;
1.197 - }
1.198 -
1.199 - if ( transfer->filename != NULL )
1.200 - {
1.201 - g_free( transfer->filename );
1.202 - transfer->filename = NULL;
1.203 - }
1.204 -
1.205 - G_OBJECT_CLASS (gmyth_file_transfer_parent_class)->dispose (object);
1.206 -}
1.207 -
1.208 -static void
1.209 -gmyth_file_transfer_finalize (GObject *object)
1.210 -{
1.211 - g_signal_handlers_destroy (object);
1.212 -
1.213 - G_OBJECT_CLASS (gmyth_file_transfer_parent_class)->finalize (object);
1.214 -}
1.215 -
1.216 -// fixme: do we need the card_id????
1.217 -GMythFileTransfer*
1.218 -gmyth_file_transfer_new ( const GMythBackendInfo *backend_info)
1.219 -{
1.220 - GMythFileTransfer *transfer = GMYTH_FILE_TRANSFER (g_object_new (GMYTH_FILE_TRANSFER_TYPE, NULL));
1.221 -
1.222 - transfer->backend_info = (GMythBackendInfo *)backend_info;
1.223 - g_object_ref (transfer->backend_info);
1.224 -
1.225 - return transfer;
1.226 -}
1.227 -
1.228 -GMythFileTransfer*
1.229 -gmyth_file_transfer_new_with_uri (const gchar* uri_str)
1.230 -{
1.231 - GMythFileTransfer *transfer = GMYTH_FILE_TRANSFER (g_object_new (GMYTH_FILE_TRANSFER_TYPE, NULL));
1.232 -
1.233 - transfer->backend_info = gmyth_backend_info_new_with_uri (uri_str);
1.234 -
1.235 - return transfer;
1.236 -}
1.237 -
1.238 -gboolean
1.239 -gmyth_file_transfer_open (GMythFileTransfer *transfer, const gchar* filename)
1.240 -{
1.241 - gboolean ret = TRUE;
1.242 -
1.243 - g_return_val_if_fail (transfer != NULL, FALSE);
1.244 - g_return_val_if_fail (filename != NULL, FALSE);
1.245 -
1.246 - if (transfer->filename != NULL)
1.247 - {
1.248 - g_free (transfer->filename);
1.249 - transfer->filename = NULL;
1.250 - }
1.251 -
1.252 - transfer->filename = g_strdup (filename);
1.253 -
1.254 - /* configure the control socket */
1.255 - if (transfer->control_sock == NULL) {
1.256 - if (!gmyth_connect_to_backend (transfer)) {
1.257 - gmyth_debug ("Connection to backend failed (Control Socket).\n");
1.258 - ret = FALSE;
1.259 - }
1.260 - } else {
1.261 - g_warning("Remote transfer control socket already created.\n");
1.262 - }
1.263 -
1.264 - gmyth_debug ("Got file with size = %lld.\n", transfer->filesize);
1.265 -
1.266 - return ret;
1.267 -
1.268 -}
1.269 -
1.270 -static gboolean
1.271 -gmyth_connect_to_backend (GMythFileTransfer *transfer)
1.272 -{
1.273 - GString *base_str = NULL;
1.274 - GString *hostname = NULL;
1.275 - GMythStringList *strlist = NULL;
1.276 - gboolean ret = TRUE;
1.277 -
1.278 - g_return_val_if_fail (transfer != NULL, FALSE );
1.279 -
1.280 - base_str = g_string_new ("");
1.281 -
1.282 - /* Creates the control socket */
1.283 - if (transfer->control_sock != NULL) {
1.284 - g_object_unref (transfer->control_sock);
1.285 - transfer->control_sock = NULL;
1.286 - }
1.287 -
1.288 - transfer->control_sock = gmyth_socket_new();
1.289 -
1.290 - // Connects the socket, send Mythtv ANN command and verify Mythtv protocol version
1.291 - if (!gmyth_socket_connect_to_backend (transfer->control_sock,
1.292 - transfer->backend_info->hostname, transfer->backend_info->port, TRUE)) {
1.293 -
1.294 - g_object_unref (transfer->control_sock);
1.295 - transfer->control_sock = NULL;
1.296 - return FALSE;
1.297 - }
1.298 -
1.299 - /* Creates the data socket */
1.300 - if (transfer->sock != NULL) {
1.301 - g_object_unref (transfer->sock);
1.302 - transfer->sock = NULL;
1.303 - }
1.304 -
1.305 - transfer->sock = gmyth_socket_new ();
1.306 - gmyth_socket_connect (transfer->sock, transfer->backend_info->hostname, transfer->backend_info->port);
1.307 -
1.308 - strlist = gmyth_string_list_new();
1.309 - hostname = gmyth_socket_get_local_hostname();
1.310 - gmyth_debug( "[%s] MythTV version (from backend) = %d.\n", __FUNCTION__, transfer->control_sock->mythtv_version );
1.311 - if ( transfer->control_sock->mythtv_version > 26 )
1.312 - g_string_printf( base_str, "ANN FileTransfer %s 1 -1", hostname->str);
1.313 - else
1.314 - g_string_printf( base_str, "ANN FileTransfer %s", hostname->str);
1.315 -
1.316 - gmyth_string_list_append_string (strlist, base_str );
1.317 - gmyth_string_list_append_char_array (strlist, transfer->filename);
1.318 -
1.319 - gmyth_socket_write_stringlist (transfer->sock, strlist );
1.320 - gmyth_socket_read_stringlist (transfer->sock, strlist );
1.321 -
1.322 - /* file identification used in future file transfer requests to backend */
1.323 - transfer->file_id = gmyth_string_list_get_int( strlist, 1 );
1.324 -
1.325 - /* Myth URI stream file size - decoded using two 8-bytes sequences (64 bits/long long types) */
1.326 - transfer->filesize = gmyth_util_decode_long_long( strlist, 2 );
1.327 -
1.328 - gmyth_debug ( "[%s] ***** Received: recordernum = %d, filesize = %" G_GUINT64_FORMAT "\n", __FUNCTION__,
1.329 - transfer->file_id, transfer->filesize );
1.330 -
1.331 - if (transfer->filesize < 0 ) {
1.332 - gmyth_debug ( "[%s] Got filesize equals to %llu is lesser than 0 [invalid stream file]\n", __FUNCTION__, transfer->filesize );
1.333 - g_object_unref (transfer->sock);
1.334 - transfer->sock = NULL;
1.335 - ret = FALSE;
1.336 - goto cleanup;
1.337 - }
1.338 -
1.339 -cleanup:
1.340 -
1.341 - if ( strlist != NULL )
1.342 - g_object_unref( strlist );
1.343 -
1.344 - g_string_free (base_str, TRUE);
1.345 - g_string_free (hostname, TRUE);
1.346 -
1.347 - return ret;
1.348 -}
1.349 -
1.350 -void
1.351 -gmyth_file_transfer_emit_program_info_changed_signal ( GMythFileTransfer *transfer, gint msg_code,
1.352 - gpointer live_tv )
1.353 -{
1.354 - /*
1.355 - g_signal_emit_by_name ( G_OBJECT(transfer),
1.356 - "program-info-changed",
1.357 - msg_code, live_tv );
1.358 - */
1.359 -
1.360 - gmyth_debug( "Calling signal handler... [FILE_TRANSFER]" );
1.361 -
1.362 - g_signal_emit ( transfer,
1.363 - GMYTH_FILE_TRANSFER_GET_CLASS (transfer)->program_info_changed_handler_signal_id,
1.364 - 0, /* details */
1.365 - msg_code, live_tv );
1.366 -
1.367 -}
1.368 -
1.369 -gboolean
1.370 -gmyth_file_transfer_is_open (GMythFileTransfer *transfer)
1.371 -{
1.372 - GMythStringList *strlist;
1.373 - GString *query;
1.374 -
1.375 - g_return_val_if_fail (transfer->control_sock != NULL, FALSE);
1.376 - g_return_val_if_fail (transfer->sock != NULL, FALSE);
1.377 -
1.378 - strlist = gmyth_string_list_new();
1.379 - query = g_string_new (GMYTHTV_QUERY_HEADER);
1.380 - g_string_append_printf (query, "%d", transfer->file_id );
1.381 -
1.382 - gmyth_string_list_append_string (strlist, query );
1.383 - gmyth_string_list_append_char_array( strlist, "IS_OPEN" );
1.384 -
1.385 - gmyth_socket_write_stringlist( transfer->control_sock, strlist );
1.386 - gmyth_socket_read_stringlist( transfer->control_sock, strlist );
1.387 -
1.388 - g_string_free (query, TRUE);
1.389 - g_object_unref (strlist);
1.390 -
1.391 - return ( strlist != NULL && gmyth_string_list_get_int( strlist, 0 ) == 1 );
1.392 -}
1.393 -
1.394 -void
1.395 -gmyth_file_transfer_close( GMythFileTransfer *transfer )
1.396 -{
1.397 - GMythStringList *strlist;
1.398 - GString *query;
1.399 -
1.400 - g_return_if_fail (transfer->control_sock != NULL);
1.401 -
1.402 - strlist = gmyth_string_list_new( );
1.403 - query = g_string_new (GMYTHTV_QUERY_HEADER);
1.404 - g_string_append_printf( query, "%d", transfer->file_id);
1.405 -
1.406 - gmyth_string_list_append_string( strlist, query );
1.407 - gmyth_string_list_append_char_array( strlist, "DONE" );
1.408 -
1.409 - if ( gmyth_socket_sendreceive_stringlist(transfer->control_sock, strlist) <= 0 ) {
1.410 - // fixme: time out???
1.411 - g_printerr( "Remote file timeout.\n" );
1.412 - }
1.413 -
1.414 - g_string_free (query, TRUE);
1.415 - g_object_unref (strlist);
1.416 -
1.417 - if (transfer->sock) {
1.418 - g_object_unref( transfer->sock );
1.419 - transfer->sock = NULL;
1.420 - }
1.421 -
1.422 - if (transfer->control_sock) {
1.423 - g_object_unref( transfer->control_sock );
1.424 - transfer->control_sock = NULL;
1.425 - }
1.426 -
1.427 -}
1.428 -
1.429 -gint64
1.430 -gmyth_file_transfer_seek(GMythFileTransfer *transfer, guint64 pos, gint whence)
1.431 -{
1.432 - GMythStringList *strlist = gmyth_string_list_new();
1.433 - GString *query;
1.434 -
1.435 - g_return_val_if_fail (transfer->sock != NULL, -1);
1.436 - g_return_val_if_fail (transfer->control_sock != NULL, -1);
1.437 -
1.438 - strlist = gmyth_string_list_new();
1.439 - query = g_string_new (GMYTHTV_QUERY_HEADER);
1.440 - g_string_append_printf (query, "%d", transfer->file_id);
1.441 -
1.442 - myth_control_acquire_context( TRUE );
1.443 -
1.444 - gmyth_string_list_append_string( strlist, query );
1.445 - gmyth_string_list_append_char_array( strlist, "SEEK" );
1.446 - gmyth_string_list_append_uint64( strlist, pos );
1.447 -
1.448 - gmyth_string_list_append_int( strlist, whence );
1.449 -
1.450 - if (pos > 0 )
1.451 - gmyth_string_list_append_uint64( strlist, pos );
1.452 - else
1.453 - gmyth_string_list_append_uint64( strlist, transfer->readposition );
1.454 -
1.455 - gmyth_socket_sendreceive_stringlist( transfer->control_sock, strlist );
1.456 -
1.457 - gint64 retval = gmyth_string_list_get_int64(strlist, 0);
1.458 - transfer->readposition = retval;
1.459 - gmyth_debug ( "[%s] got reading position pointer from the streaming = %lld\n",
1.460 - __FUNCTION__, retval );
1.461 -
1.462 - myth_control_release_context( );
1.463 -
1.464 - return retval;
1.465 -}
1.466 -
1.467 -static gboolean
1.468 -myth_control_acquire_context( gboolean do_wait )
1.469 -{
1.470 - gboolean ret = TRUE;
1.471 - //guint max_iter = 50;
1.472 -
1.473 - //g_mutex_lock( mutex );
1.474 -
1.475 - //while ( !has_io_access )
1.476 - // g_cond_wait( io_watcher_cond, mutex );
1.477 -
1.478 - //has_io_access = FALSE;
1.479 -
1.480 - //myth_control_acquire_context (FALSE);
1.481 -
1.482 - /*
1.483 - if ( do_wait ) {
1.484 - while ( --max_iter > 0 && !g_main_context_wait( io_watcher_context, io_watcher_cond, mutex ) )
1.485 - ret = FALSE;
1.486 - } else if ( !g_main_context_acquire( io_watcher_context ) )
1.487 - ret = FALSE;
1.488 - */
1.489 -
1.490 - //g_static_mutex_lock( &st_mutex );
1.491 -
1.492 - return ret;
1.493 -}
1.494 -
1.495 -static gboolean
1.496 -myth_control_release_context( )
1.497 -{
1.498 - gboolean ret = TRUE;
1.499 -
1.500 - //g_static_mutex_unlock( &st_mutex );
1.501 -
1.502 - //g_main_context_release( io_watcher_context );
1.503 -
1.504 - //g_main_context_wakeup( io_watcher_context );
1.505 -
1.506 - //has_io_access = TRUE;
1.507 -
1.508 - //g_cond_broadcast( io_watcher_cond );
1.509 -
1.510 - //g_mutex_unlock( mutex );
1.511 -
1.512 - return ret;
1.513 -}
1.514 -
1.515 -gint
1.516 -gmyth_file_transfer_read(GMythFileTransfer *transfer, GByteArray *data, gint size, gboolean read_unlimited)
1.517 -{
1.518 - gint bytes_sent = 0;
1.519 - gsize bytes_read = 0;
1.520 - gsize total_read = 0;
1.521 -
1.522 - GError *error = NULL;
1.523 -
1.524 - GIOChannel *io_channel;
1.525 - GIOChannel *io_channel_control;
1.526 -
1.527 - GIOCondition io_cond;
1.528 - GIOCondition io_cond_control;
1.529 - GIOStatus io_status = G_IO_STATUS_NORMAL, io_status_control = G_IO_STATUS_NORMAL;
1.530 -
1.531 - gboolean ret = TRUE;
1.532 -
1.533 - GString *query;
1.534 -
1.535 - g_return_val_if_fail ( data != NULL, -2 );
1.536 -
1.537 - io_channel = transfer->sock->sd_io_ch;
1.538 - io_channel_control = transfer->control_sock->sd_io_ch;
1.539 -
1.540 - io_status = g_io_channel_set_encoding( io_channel, NULL, &error );
1.541 - if ( io_status == G_IO_STATUS_NORMAL )
1.542 - gmyth_debug ( "[%s] Setting encoding to binary data socket).\n", __FUNCTION__ );
1.543 -
1.544 - io_cond = g_io_channel_get_buffer_condition( io_channel );
1.545 -
1.546 - io_cond_control = g_io_channel_get_buffer_condition( io_channel );
1.547 - if ( transfer->sock == NULL || ( io_status == G_IO_STATUS_ERROR ) ) {
1.548 - g_printerr( "gmyth_file_transfer_read(): Called with no raw socket.\n" );
1.549 - //exit(0); // fixme remove this
1.550 - return -1;
1.551 - }
1.552 -
1.553 - if ( transfer->control_sock == NULL || ( io_status_control == G_IO_STATUS_ERROR ) ) {
1.554 - g_printerr( "gmyth_file_transfer_read(): Called with no control socket.\n" );
1.555 - //exit(0); // fixme remove this
1.556 - return -1;
1.557 - }
1.558 -
1.559 - query = g_string_new (GMYTHTV_QUERY_HEADER);
1.560 - g_string_append_printf ( query, "%d", transfer->file_id );
1.561 - gmyth_debug ("[%s] Transfer_query = %s\n", __FUNCTION__, query->str );
1.562 -
1.563 - /* send requests to the maximum number of REQUEST_BLOCK messages */
1.564 - guint max_tries = 5;
1.565 -
1.566 - myth_control_acquire_context( TRUE );
1.567 -
1.568 - while (total_read == 0 && --max_tries > 0) {
1.569 - GMythStringList *strlist = gmyth_string_list_new();
1.570 -
1.571 - gmyth_string_list_append_char_array( strlist, query->str );
1.572 - gmyth_string_list_append_char_array( strlist, "REQUEST_BLOCK" );
1.573 - gmyth_string_list_append_int( strlist, size );
1.574 -
1.575 - // Request the block to the backend
1.576 - gmyth_socket_write_stringlist( transfer->control_sock, strlist );
1.577 -
1.578 - // Receives the backand answer
1.579 - gmyth_socket_read_stringlist( transfer->control_sock, strlist );
1.580 -
1.581 - if ( strlist != NULL && gmyth_string_list_length( strlist ) > 0 )
1.582 - {
1.583 - bytes_sent = gmyth_string_list_get_int( strlist, 0 ); // -1 on backend error
1.584 - gmyth_debug ( "[%s] got SENT buffer message = %d\n", __FUNCTION__, bytes_sent );
1.585 -
1.586 - if ( bytes_sent >= 0 )
1.587 - {
1.588 - gchar *data_buffer = g_new0 ( gchar, bytes_sent );
1.589 - while ( 0 != bytes_sent )
1.590 - {
1.591 - io_status = g_io_channel_read_chars( io_channel, data_buffer + total_read,
1.592 - (gsize) bytes_sent, &bytes_read, &error );
1.593 -
1.594 - total_read += bytes_read;
1.595 - bytes_sent -= bytes_read;
1.596 -
1.597 - /* append new data to the increasing byte array */
1.598 - data = g_byte_array_append (data, (const guint8*)data_buffer, bytes_read);
1.599 - gmyth_debug ("Total transfer data read: %d\n", total_read);
1.600 - }
1.601 - g_free (data_buffer);
1.602 - } /* if */
1.603 - } else if ( !(transfer->priv != NULL && transfer->priv->livetv != NULL &&
1.604 - transfer->priv->do_next_program_chain) ) {
1.605 - total_read = GMYTHTV_FILE_TRANSFER_READ_ERROR;
1.606 - g_object_unref (strlist);
1.607 - strlist = NULL;
1.608 - break;
1.609 - }
1.610 - g_object_unref (strlist);
1.611 - strlist = NULL;
1.612 - }
1.613 -
1.614 - if ( bytes_sent == 0 && max_tries == 0 )
1.615 - {
1.616 - gmyth_debug( "Trying to move to the next program chain..." );
1.617 - transfer->priv = GMYTH_FILE_TRANSFER_GET_PRIVATE(transfer);
1.618 -
1.619 - if ( transfer->priv != NULL && transfer->priv->livetv != NULL &&
1.620 - transfer->priv->do_next_program_chain )
1.621 - {
1.622 -
1.623 - total_read = GMYTHTV_FILE_TRANSFER_NEXT_PROG_CHAIN;
1.624 -
1.625 - g_mutex_lock( transfer->mutex );
1.626 -
1.627 - ret = gmyth_livetv_next_program_chain( transfer->priv->livetv );
1.628 -
1.629 - g_mutex_unlock( transfer->mutex );
1.630 -
1.631 - if ( !ret )
1.632 - gmyth_debug( "Cannot change to the next program chain!" );
1.633 - else
1.634 - gmyth_debug( "OK!!! MOVED to the next program chain [%s]!",
1.635 - (gmyth_tvchain_get_id( transfer->priv->livetv->tvchain ))->str );
1.636 - }
1.637 -
1.638 - } /* if */
1.639 -
1.640 - myth_control_release_context( );
1.641 - g_string_free (query, TRUE);
1.642 -
1.643 - if ( error != NULL ) {
1.644 - gmyth_debug ("Cleaning-up ERROR: %s [msg = %s, code = %d]\n", __FUNCTION__, error->message,
1.645 - error->code);
1.646 - g_error_free (error);
1.647 - }
1.648 -
1.649 - if ( total_read > 0 )
1.650 - transfer->readposition += total_read;
1.651 -
1.652 - return total_read;
1.653 -}
1.654 -
1.655 -static void
1.656 -gmyth_file_transfer_program_info_changed( GMythFileTransfer *transfer,
1.657 - gint msg_code, gpointer livetv_transfer )
1.658 -{
1.659 - GMythLiveTV *livetv = GMYTH_LIVETV( livetv_transfer );
1.660 -
1.661 - gmyth_debug( "Program info changed! ( file transfer orig. = %p, ptr. = [%s], user data = [%s] )", transfer,
1.662 - livetv_transfer != NULL ? "[NOT NULL]" : "[NULL]", livetv != NULL ? "[NOT NULL]" : "[NULL]" );
1.663 -
1.664 - if ( livetv != NULL && transfer == livetv->file_transfer )
1.665 - {
1.666 - gmyth_debug( "YES, the requested program info movement on the LiveTV transfer is authentical!" );
1.667 - }
1.668 -
1.669 - transfer->priv = GMYTH_FILE_TRANSFER_GET_PRIVATE(transfer);
1.670 -
1.671 - transfer->priv->livetv = livetv;
1.672 - transfer->priv->do_next_program_chain = TRUE;
1.673 -
1.674 - //g_object_unref( transfer );
1.675 -}
1.676 -
1.677 -gboolean
1.678 -gmyth_file_transfer_settimeout( GMythFileTransfer *transfer, gboolean fast )
1.679 -{
1.680 -
1.681 - GMythStringList *strlist = NULL;
1.682 -
1.683 - g_return_val_if_fail (transfer->sock != NULL, FALSE);
1.684 - g_return_val_if_fail (transfer->control_sock != NULL, FALSE);
1.685 -
1.686 -// if ( transfer->timeoutisfast == fast )
1.687 -// return;
1.688 -
1.689 - strlist = gmyth_string_list_new();
1.690 - gmyth_string_list_append_char_array( strlist, GMYTHTV_QUERY_HEADER );
1.691 - gmyth_string_list_append_char_array( strlist, "SET_TIMEOUT" );
1.692 - gmyth_string_list_append_int( strlist, fast );
1.693 -
1.694 - gmyth_socket_write_stringlist( transfer->control_sock, strlist );
1.695 - gmyth_socket_read_stringlist( transfer->control_sock, strlist );
1.696 -
1.697 -// transfer->timeoutisfast = fast;
1.698 -
1.699 - return TRUE;
1.700 -}
1.701 -
1.702 -
1.703 -guint64
1.704 -gmyth_file_transfer_get_filesize (GMythFileTransfer *transfer)
1.705 -{
1.706 - g_return_val_if_fail (transfer != NULL, 0);
1.707 - return transfer->filesize;
1.708 -}