--- /dev/null
+/*****************************************************************************
+ * tcp.c: TCP access plug-in
+ *****************************************************************************
+ * Copyright (C) 2003 VideoLAN
+ * $Id: tcp.c,v 1.1 2003/11/30 14:28:07 fenrir Exp $
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+#include <sys/stat.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef WIN32
+# include <winsock2.h>
+# include <ws2tcpip.h>
+# ifndef IN_MULTICAST
+# define IN_MULTICAST(a) IN_CLASSD(a)
+# endif
+#else
+# include <sys/socket.h>
+#endif
+
+#include "network.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define CACHING_TEXT N_("caching value in ms")
+#define CACHING_LONGTEXT N_( \
+ "Allows you to modify the default caching value for udp streams. This " \
+ "value should be set in miliseconds units." )
+
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+vlc_module_begin();
+ set_description( _("TCP input") );
+ add_category_hint( N_("tcp"), NULL , VLC_TRUE );
+ add_integer( "tcp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
+ set_capability( "access", 0 );
+ add_shortcut( "tcp" );
+ add_shortcut( "tcp4" );
+ add_shortcut( "tcp6" );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+struct access_sys_t
+{
+ int fd;
+};
+
+static ssize_t Read ( input_thread_t *, byte_t *, size_t );
+
+/*****************************************************************************
+ * Open: open the socket
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ input_thread_t *p_input = (input_thread_t *)p_this;
+ access_sys_t *p_sys;
+
+ char *psz_network;
+ char *psz_dup = strdup(p_input->psz_name);
+ char *psz_parser = psz_dup;
+
+ network_socket_t sock;
+ module_t *p_network;
+
+ vlc_value_t val;
+
+ /* Select ip version */
+ psz_network = "";
+ if( config_GetInt( p_input, "ipv4" ) )
+ {
+ psz_network = "ipv4";
+ }
+ if( config_GetInt( p_input, "ipv6" ) )
+ {
+ psz_network = "ipv6";
+ }
+ if( *p_input->psz_access )
+ {
+ /* Find out which shortcut was used */
+ if( !strncmp( p_input->psz_access, "tcp6", 5 ) )
+ {
+ psz_network = "ipv6";
+ }
+ else if( !strncmp( p_input->psz_access, "tcp4", 5 ) )
+ {
+ psz_network = "ipv4";
+ }
+ }
+
+ /* Parse server:port */
+ while( *psz_parser && *psz_parser != ':' )
+ {
+ if( *psz_parser == '[' )
+ {
+ /* IPV6 */
+ while( *psz_parser && *psz_parser != ']' )
+ {
+ psz_parser++;
+ }
+ }
+ psz_parser++;
+ }
+
+ if( *psz_parser != ':' || psz_parser == psz_dup )
+ {
+ msg_Err( p_input, "you have to provide server:port addresse" );
+ free( psz_dup );
+ return VLC_EGENERIC;
+ }
+
+ *psz_parser++ = '\0';
+
+ /* Prepare the network_socket_t structure */
+ sock.i_type = NETWORK_TCP;
+ sock.psz_bind_addr = "";
+ sock.i_bind_port = 0;
+ sock.psz_server_addr = psz_dup;
+ sock.i_server_port = atoi( psz_parser );
+ sock.i_ttl = 0;
+
+ if( sock.i_server_port <= 0 )
+ {
+ msg_Err( p_input, "invalid port number (%d)", sock.i_server_port );
+ free( psz_dup );
+ return VLC_EGENERIC;
+ }
+
+ /* connecting */
+ msg_Dbg( p_input, "opening server=%s:%d",
+ sock.psz_server_addr, sock.i_server_port );
+ p_input->p_private = (void*)&sock;
+ p_network = module_Need( p_input, "network", psz_network );
+ free( psz_dup );
+ if( p_network == NULL )
+ {
+ return VLC_EGENERIC;
+ }
+ module_Unneed( p_input, p_network );
+
+ p_input->p_access_data = p_sys = malloc( sizeof( access_sys_t ) );
+ p_sys->fd = sock.i_handle;
+
+ p_input->pf_read = Read;
+ p_input->pf_set_program = input_SetProgram;
+ p_input->pf_set_area = NULL;
+ p_input->pf_seek = NULL;
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ p_input->stream.b_pace_control = VLC_TRUE; /* FIXME ? */
+ p_input->stream.b_seekable = 0;
+ p_input->stream.p_selected_area->i_tell = 0;
+ p_input->stream.i_method = INPUT_METHOD_NETWORK;
+ p_input->i_mtu = 0;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ /* Update default_pts to a suitable value for udp access */
+ var_Create( p_input, "tcp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_input, "tcp-caching", &val );
+ p_input->i_pts_delay = val.i_int * 1000;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close: free unused data structures
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ input_thread_t *p_input = (input_thread_t *)p_this;
+ access_sys_t *p_sys = p_input->p_access_data;
+
+ msg_Info( p_input, "closing TCP target `%s'", p_input->psz_source );
+
+#ifdef UNDER_CE
+ CloseHandle( (HANDLE)p_sys->fd );
+#elif defined( WIN32 )
+ closesocket( p_sys->fd );
+#else
+ close( p_sys->fd );
+#endif
+
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * Read: read on a file descriptor, checking b_die periodically
+ *****************************************************************************/
+static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
+{
+#ifdef UNDER_CE
+ return -1;
+#else
+ access_sys_t *p_sys = p_input->p_access_data;
+ struct timeval timeout;
+ fd_set fds;
+ ssize_t i_recv;
+ int i_ret;
+
+ do
+ {
+ if( p_input->b_die || p_input->b_error )
+ {
+ return 0;
+ }
+
+ /* Initialize file descriptor set */
+ FD_ZERO( &fds );
+ FD_SET( p_sys->fd, &fds );
+
+ /* We'll wait 0.5 second if nothing happens */
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 500000;
+ } while( ( i_ret = select( p_sys->fd + 1, &fds, NULL, NULL, &timeout )) == 0 ||
+ ( i_ret < 0 && errno == EINTR ) );
+
+ if( i_ret < 0 )
+ {
+ msg_Err( p_input, "network select error (%s)", strerror(errno) );
+ return -1;
+ }
+
+ if( ( i_recv = recv( p_sys->fd, p_buffer, i_len, 0 ) ) < 0 )
+ {
+ msg_Err( p_input, "recv failed (%s)", strerror(errno) );
+ }
+ return i_recv;
+#endif
+}
+
projects / vlc / commitdiff