#include <lib.h>
#include <network.h>
#include <socket_err.h>
inherit LIB_ITEM;
int attempting, connected, socket ;
object person ;
object player;
static void create()
{
item::create();
SetKeyName( "client" ) ;
SetShort( "a telnet client" ) ;
SetId(({ "telnet","terminal" })) ;
SetLong( "It's a small pocket sized telnet terminal.\n"
"Use 'telnet' or 'connect' to begin.\n\nCommands:\n"
"[connect|telnet] : start telnet session.\nreset [client]"
" : reset the telnet client.\nreconnect : reconnect to session"
" (if you go netdead)\n");
SetMass( 5 ) ;
attempting = 0 ;
connected = 0 ;
socket = 0 ;
person = 0 ;
}
void init()
{
add_action( "do_connect", ({ "connect", "telnet" }) ) ;
add_action( "do_reset", "reset" ) ;
add_action( "do_reconnect", "reconnect" ) ;
}
int do_reconnect()
{
if( !connected )
{
notify_fail( "The telnet client is not connected!\n" ) ;
return 0 ;
}
write("Reconnecting into telnet session.\n");
person = this_player() ;
input_to( "parse_comm", 0 ) ;
return 1 ;
}
int do_reset( string args )
{
notify_fail( "Usage: reset client\n" ) ;
if( !args || args == "" )
{
return 0 ;
}
if( args != "client" )
{
return 0 ;
}
write("Resetting telnet client ...\n");
if( connected )
{
if( socket )
{
socket_close( socket ) ;
}
}
attempting = 0 ;
connected = 0 ;
socket = 0 ;
person = 0 ;
write("Done!\n");
return 1 ;
}
string help()
{
return "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n"
" Usage : connect [ip_address] [port]\n"
"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n"
"Note: use telnet port number 23 if you \n"
" are connecting to a normal site. \n"
"=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n" ;
}
int do_connect(string args)
{
int new_socket, sc_result, port ;
string error, ip_address ;
if( !args || args == "" )
{
notify_fail( help() ) ;
return 0 ;
}
if( sscanf( args, "%s %d", ip_address, port ) != 2 )
{
notify_fail( help() ) ;
return 0 ;
}
if( attempting )
{
notify_fail( "Telnet connection attempt already in progress.\n" ) ;
return 0 ;
}
if( connected )
{
notify_fail( "Already connected...\n" ) ;
return 0 ;
}
new_socket = socket_create( STREAM, "read_callback", "close_callback" ) ;
if( new_socket < 0 )
{
switch( new_socket )
{
case EEMODENOTSUPP :
error = "Socket mode not supported.\n" ;
break ;
case EESOCKET :
error = "Problem creating socket.\n" ;
break ;
case EESETSOCKOPT :
error = "Problem with setsockopt.\n" ;
break ;
case EENONBLOCK :
error = "Problem with setting non-blocking mode.\n" ;
break ;
case EENOSOCKS :
error = "No more available efun sockets.\n" ;
break ;
case EESECURITY :
error = "Security violation attempted.\n" ;
break ;
default :
error = "Unknown error code: " + new_socket + ".\n" ;
break ;
}
notify_fail( "Unable to connect, problem with socket_create.\n"
"Reason: " + error ) ;
return 0 ;
}
sc_result = socket_connect( new_socket, ip_address + " " + port,
"read_callback", "write_callback" ) ;
if( sc_result != EESUCCESS )
{
notify_fail( "Failed to connect.\n" ) ;
return 0 ;
}
attempting = 1 ;
socket = new_socket ;
person = (object)previous_object() ;
player=this_player();
write("Telnet Client Version 1.2\n");
write("Attempting connection to: " + ip_address + " " + port + "...\nEnter 'dcon' at any time to abort.\n");
input_to( "parse_comm", 0 ) ;
return 1 ;
}
void read_callback( int fd, mixed message )
{
player->eventPrint(message);
}
void close_callback( int fd )
{
if( connected )
{
write("Connection closed by foreign host.\n");
}
if( attempting )
{
write("Attempt failed.\n");
}
write("Type 'dcon' to finalize exit.\n");
socket_close( fd ) ;
attempting = 0 ;
connected = 0 ;
socket = 0 ;
}
void write_callback( int fd )
{
write("Connected...\n");
attempting = 0 ;
connected = 1 ;
}
int parse_comm( string str )
{
if( str == "dcon" )
{
write("Disconnecting...\n");
socket_close( socket ) ;
attempting = 0 ;
connected = 0 ;
socket = 0 ;
person = 0 ;
return 1 ;
} else {
if( !connected )
{
write("You are not connected. Type \"dcon\" to stop using the client.\n");
input_to( "parse_comm", 0 ) ;
return 1 ;
}
if( attempting )
{
write("Please wait, still attempting connection, "
"type 'dcon' to exit.\n");
input_to( "parse_comm", 0 ) ;
return 1 ;
}
socket_write( socket, str + "\n" ) ;
input_to( "parse_comm", 0 ) ;
return 1 ;
}
}
