/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* malloc(), free() */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
#include <vlc/vlc.h>
#include <vlc_interface.h>
#include <vlc_input.h>
+#include <stdbool.h>
#include <sys/stat.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
+#ifdef HAVE_POLL
+# include <poll.h>
+#endif
#include <vlc_network.h>
#include <vlc_url.h>
TELNETHOST_LONGTEXT, VLC_TRUE );
add_integer( "telnet-port", TELNETPORT_DEFAULT, NULL, TELNETPORT_TEXT,
TELNETPORT_LONGTEXT, VLC_TRUE );
- add_string( "telnet-password", TELNETPWD_DEFAULT, NULL, TELNETPWD_TEXT,
+ add_password( "telnet-password", TELNETPWD_DEFAULT, NULL, TELNETPWD_TEXT,
TELNETPWD_LONGTEXT, VLC_TRUE );
set_description( _("VLM remote control interface") );
add_category_hint( "VLM", NULL, VLC_FALSE );
} telnet_client_t;
static char *MessageToString( vlm_message_t *, int );
-static void Write_message( telnet_client_t *, vlm_message_t *, char *, int );
+static void Write_message( telnet_client_t *, vlm_message_t *, const char *, int );
struct intf_sys_t
{
free( cl );
p_sys->clients[i] = NULL;
}
- if( p_sys->clients != NULL ) free( p_sys->clients );
+ free( p_sys->clients );
net_ListenClose( p_sys->pi_fd );
static void Run( intf_thread_t *p_intf )
{
intf_sys_t *p_sys = p_intf->p_sys;
- struct timeval timeout;
char *psz_password;
+ unsigned nlisten = 0;
+
+ for (const int *pfd = p_sys->pi_fd; *pfd != -1; pfd++)
+ nlisten++; /* How many listening sockets do we have? */
psz_password = config_GetPsz( p_intf, "telnet-password" );
while( !intf_ShouldDie( p_intf ) )
{
- fd_set fds_read, fds_write;
- int i_handle_max = 0;
- int i_ret, i_len, fd, i;
-
- /* if a new client wants to communicate */
- fd = net_Accept( p_intf, p_sys->pi_fd, p_sys->i_clients > 0 ? 0 : -1 );
- if( fd != -1 )
- {
- telnet_client_t *cl = malloc( sizeof( telnet_client_t ));
- if( cl )
- {
- memset( cl, 0, sizeof(telnet_client_t) );
- cl->i_tel_cmd = 0;
- cl->fd = fd;
- cl->buffer_write = NULL;
- cl->p_buffer_write = cl->buffer_write;
- Write_message( cl, NULL,
- "Password: \xff\xfb\x01" , WRITE_MODE_PWD );
-
- TAB_APPEND( p_sys->i_clients, p_sys->clients, cl );
- }
- else
- {
- net_Close( fd );
- continue;
- }
- }
-
- /* to do a proper select */
- FD_ZERO( &fds_read );
- FD_ZERO( &fds_write );
+ unsigned ncli = p_sys->i_clients;
+ struct pollfd ufd[ncli + nlisten];
- for( i = 0 ; i < p_sys->i_clients ; i++ )
+ for (unsigned i = 0; i < ncli; i++)
{
telnet_client_t *cl = p_sys->clients[i];
+ ufd[i].fd = cl->fd;
if( (cl->i_mode == WRITE_MODE_PWD) || (cl->i_mode == WRITE_MODE_CMD) )
- {
- FD_SET( cl->fd , &fds_write );
- }
+ ufd[i].events = POLLOUT;
else
- {
- FD_SET( cl->fd , &fds_read );
- }
- i_handle_max = __MAX( i_handle_max, cl->fd );
+ ufd[i].events = POLLIN;
+ ufd[i].revents = 0;
}
- timeout.tv_sec = 0;
- timeout.tv_usec = 500*1000;
-
- i_ret = select( i_handle_max + 1, &fds_read, &fds_write, 0, &timeout );
- if( (i_ret == -1) && (errno != EINTR) )
+ for (unsigned i = 0; i < nlisten; i++)
{
- msg_Warn( p_intf, "cannot select sockets" );
- msleep( 1000 );
- continue;
+ ufd[ncli + i].fd = p_sys->pi_fd[i];
+ ufd[ncli + i].events = POLLIN;
+ ufd[ncli + i].revents = 0;
}
- else if( i_ret <= 0 )
+
+ /* FIXME: arbitrary tick */
+ switch (poll (ufd, sizeof (ufd) / sizeof (ufd[0]), 500))
{
- continue;
+ case -1:
+ if (net_errno != EINTR)
+ {
+ msg_Err (p_intf, "network poll error");
+ msleep (1000);
+ continue;
+ }
+ case 0:
+ continue;
}
/* check if there is something to do with the socket */
- for( i = 0 ; i < p_sys->i_clients ; i++ )
+ for (unsigned i = 0; i < ncli; i++)
{
telnet_client_t *cl = p_sys->clients[i];
- if( FD_ISSET(cl->fd , &fds_write) && (cl->i_buffer_write > 0) )
+ if (ufd[i].revents & (POLLERR|POLLHUP))
{
+ drop:
+ net_Close( cl->fd );
+ TAB_REMOVE( p_intf->p_sys->i_clients ,
+ p_intf->p_sys->clients , cl );
+ free( cl );
+ continue;
+ }
+
+ if (ufd[i].revents & POLLOUT && (cl->i_buffer_write > 0))
+ {
+ ssize_t i_len;
+
i_len = send( cl->fd, cl->p_buffer_write ,
cl->i_buffer_write, 0 );
if( i_len > 0 )
cl->i_buffer_write -= i_len;
}
}
- else if( FD_ISSET( cl->fd, &fds_read) )
+ if (ufd[i].revents & POLLIN)
{
- int i_end = 0;
- int i_recv;
+ bool end = false;
+ ssize_t i_recv;
while( ((i_recv=recv( cl->fd, cl->p_buffer_read, 1, 0 )) > 0) &&
((cl->p_buffer_read - cl->buffer_read) < 999) )
break;
case '\n':
*cl->p_buffer_read = '\n';
- i_end = 1;
+ end = true;
break;
case TEL_IAC: // telnet specific command
cl->i_tel_cmd = 1;
break;
}
- if( i_end != 0 ) break;
+ if( end ) break;
}
if( (cl->p_buffer_read - cl->buffer_read) == 999 )
cl->i_mode + 2 );
}
- if( i_recv == 0 || ( i_recv == -1 && errno != EAGAIN && errno != 0 ) )
- {
- net_Close( cl->fd );
- TAB_REMOVE( p_intf->p_sys->i_clients ,
- p_intf->p_sys->clients , cl );
- free( cl );
- }
+ if (i_recv <= 0 && ( end || errno != EAGAIN ) )
+ goto drop;
}
}
/* and now we should bidouille the data we received / send */
- for( i = 0 ; i < p_sys->i_clients ; i++ )
+ for(int i = 0 ; i < p_sys->i_clients ; i++ )
{
telnet_client_t *cl = p_sys->clients[i];
else if( !strncmp( cl->buffer_read, "shutdown", 8 ) )
{
msg_Err( p_intf, "shutdown requested" );
- p_intf->p_libvlc->b_die = VLC_TRUE;
+ vlc_object_kill( p_intf->p_libvlc );
+ }
+ else if( *cl->buffer_read == '@'
+ && strchr( cl->buffer_read, ' ' ) )
+ {
+ /* Module specific commands (use same syntax as in the
+ * rc interface) */
+ char *psz_name = cl->buffer_read + 1;
+ char *psz_cmd, *psz_arg, *psz_msg;
+ int i_ret;
+
+ psz_cmd = strchr( cl->buffer_read, ' ' );
+ *psz_cmd = '\0'; psz_cmd++;
+ if( ( psz_arg = strchr( psz_cmd, '\n' ) ) ) *psz_arg = '\0';
+ if( ( psz_arg = strchr( psz_cmd, '\r' ) ) ) *psz_arg = '\0';
+ if( ( psz_arg = strchr( psz_cmd, ' ' ) )
+ && *psz_arg )
+ {
+ *psz_arg = '\0';
+ psz_arg++;
+ }
+
+ i_ret = var_Command( p_intf, psz_name, psz_cmd, psz_arg,
+ &psz_msg );
+
+ if( psz_msg )
+ {
+ vlm_message_t *message;
+ message = vlm_MessageNew( "Module command", psz_msg );
+ Write_message( cl, message, NULL, WRITE_MODE_CMD );
+ vlm_MessageDelete( message );
+ free( psz_msg );
+ }
}
else
{
vlm_MessageNew( "logout, quit, exit" , NULL ) );
vlm_MessageAdd( p_my_help,
vlm_MessageNew( "shutdown" , NULL ) );
+ vlm_MessageAdd( p_my_help,
+ vlm_MessageNew( "@moduleinstance command argument",
+ NULL) );
vlm_MessageAdd( message, p_my_help );
}
Write_message( cl, message, NULL, WRITE_MODE_CMD );
}
}
}
+
+ /* handle new connections */
+ for (unsigned i = 0; i < nlisten; i++)
+ {
+ int fd;
+
+ if (ufd[ncli + i].revents == 0)
+ continue;
+
+ fd = net_AcceptSingle (VLC_OBJECT(p_intf), ufd[ncli + i].fd);
+ if (fd == -1)
+ continue;
+
+ telnet_client_t *cl = malloc( sizeof( telnet_client_t ));
+ if (cl == NULL)
+ {
+ net_Close (fd);
+ continue;
+ }
+
+ memset( cl, 0, sizeof(telnet_client_t) );
+ cl->i_tel_cmd = 0;
+ cl->fd = fd;
+ cl->buffer_write = NULL;
+ cl->p_buffer_write = cl->buffer_write;
+ Write_message( cl, NULL,
+ "Password: \xff\xfb\x01" , WRITE_MODE_PWD );
+ TAB_APPEND( p_sys->i_clients, p_sys->clients, cl );
+ }
}
- if( psz_password )
- free( psz_password );
+ free( psz_password );
}
static void Write_message( telnet_client_t *client, vlm_message_t *message,
- char *string_message, int i_mode )
+ const char *string_message, int i_mode )
{
char *psz_message;
client->p_buffer_read = client->buffer_read;
(client->p_buffer_read)[0] = 0; // if (cl->p_buffer_read)[0] = '\n'
- if( client->buffer_write ) free( client->buffer_write );
+ free( client->buffer_write );
/* generate the psz_message string */
if( message )
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