ref: 44ce0097b612a1fefd754065bdf8d9d2e5ef60c8
dir: /appl/cmd/ip/ppp/pppgui.b/
#
# Copyright © 1998 Lucent Technologies Inc. All rights reserved.
# Revisions copyright © 2000,2001 Vita Nuova Holdings Limited. All rights reserved.
#
# Originally Written by N. W. Knauft
# Adapted by E. V. Hensbergen (ericvh@lucent.com)
# Further adapted by Vita Nuova
#
implement PPPGUI;
include "sys.m";
sys: Sys;
include "draw.m";
draw: Draw;
include "tk.m";
tk: Tk;
include "tkclient.m";
tkclient: Tkclient;
include "translate.m";
translate: Translate;
Dict: import translate;
dict: ref Dict;
include "lock.m";
include "modem.m";
include "script.m";
include "pppclient.m";
ppp: PPPClient;
include "pppgui.m";
#Screen constants
BBG: con "#C0C0C0"; # Background color for button
PBG: con "#808080"; # Background color for progress bar
LTGRN: con "#00FF80"; # Color for progress bar
BARW: con 216; # Progress bar width
BARH: con " 9"; # Progress bar height
INCR: con 30; # Progress bar increment size
N_INCR: con 7; # Number of increments in progress bar width
BSIZE: con 25; # Icon button size
ISIZE: con BSIZE + 4; # Icon window size
DIALQUANTA : con 1000;
ICONQUANTA : con 5000;
#Globals
pppquanta := DIALQUANTA;
#Font
FONT: con "/fonts/lucidasans/unicode.6.font";
#Messages
stat_msgs := array[] of {
"Initializing Modem",
"Dialling Service Provider",
"Logging Into Network",
"Executing Login Script",
"Script Execution Complete",
"Logging Into Network",
"Verifying Password",
"Connected",
"",
};
config_icon := array[] of {
"button .btn -text X -width "+string BSIZE+" -height "+string BSIZE+" -command {send tsk open} -bg "+BBG,
"pack .btn",
"pack propagate . no",
". configure -bd 0",
". unmap",
"update",
};
# Create internet connect window, spawn event handler
init(ctxt: ref Draw->Context, stat: chan of int, pppmod: PPPClient, args: list of string): chan of int
{
sys = load Sys Sys->PATH;
draw = load Draw Draw->PATH;
tk = load Tk Tk->PATH;
tkclient = load Tkclient Tkclient->PATH;
if (draw == nil || tk == nil || tkclient == nil) {
sys->fprint(sys->fildes(2), "pppgui: can't load Draw or Tk: %r\n");
return nil;
}
translate = load Translate Translate->PATH;
if(translate != nil) {
translate->init();
dictname := translate->mkdictname("", "pppgui");
dicterr: string;
(dict, dicterr) = translate->opendict(dictname);
if(dicterr != nil)
sys->fprint(sys->fildes(2), "pppgui: can't open %s: %s\n", dictname, dicterr);
}else
sys->fprint(sys->fildes(2), "pppgui: can't load %s: %r\n", Translate->PATH);
ppp = pppmod; # set the global
tkargs := "";
if (args != nil) {
tkargs = hd args;
args = tl args;
} else
tkargs="-x 340 -y 4";
tkclient->init();
(t, wmctl) := tkclient->toplevel(ctxt, tkargs, "PPP", Tkclient->Plain);
config_win := array[] of {
"frame .f",
"frame .fprog",
"canvas .cprog -bg "+PBG+" -bd 2 -width "+string BARW+" -height "+BARH+" -relief ridge",
"pack .cprog -in .fprog -pady 6",
"label .stat -text {"+X("Initializing connection...")+"} -width 164 -font "+FONT,
"pack .stat -in .f -side left -fill y -anchor w",
"button .done -text {"+X("Cancel")+"} -width 60 -command {send cmd cancel} -bg "+BBG+" -font "+FONT,
"pack .fprog -side bottom -expand 1 -fill x",
"pack .done -side right -padx 1 -pady 1 -fill y -anchor e",
"pack .f -side left -expand 1 -padx 5 -pady 3 -fill both -anchor w",
"pack propagate . no",
". configure -bd 2 -relief raised -width "+string WIDTH,
"update",
};
for(i := 0; i < len config_win; i++)
tk->cmd(t, config_win[i]);
itkargs := "";
if (args != nil) {
itkargs = hd args;
args = tl args;
}
tkclient->onscreen(t, nil);
tkclient->startinput(t, "ptr" :: nil);
if (itkargs == "") {
x := int tk->cmd(t, ". cget x");
y := int tk->cmd(t, ". cget y");
x += WIDTH - ISIZE;
itkargs = "-x "+string x+" -y "+string y;
}
(ticon, iconctl) := tkclient->toplevel(ctxt, itkargs, "PPP", Tkclient->Plain);
for( i = 0; i < len config_icon; i++)
tk->cmd(ticon, config_icon[i]);
tk->cmd(ticon, "image create bitmap Network -file network.bit -maskfile network.bit");
tk->cmd(ticon, ".btn configure -image Network");
tkclient->startinput(ticon, "ptr"::nil);
chn := chan of int;
spawn handle_events(t, wmctl, ticon, iconctl, stat, chn);
return chn;
}
ppp_timer(sync: chan of int, stat: chan of int)
{
for(;;) {
sys->sleep(pppquanta);
alt {
<-sync =>
return;
stat <-= -1 =>
;
}
}
}
send(cmd: chan of string, msg: string)
{
cmd <-= msg;
}
# Process events and pass disconnect cmd to calling app
handle_events(t: ref Tk->Toplevel, wmctl: chan of string, ticon: ref Tk->Toplevel, iconctl: chan of string, stat, chn: chan of int)
{
sys->pctl(Sys->NEWPGRP, nil);
cmd := chan of string;
tk->namechan(t, cmd, "cmd");
tsk := chan of string;
tk->namechan(ticon, tsk, "tsk");
connected := 0;
winmapped := 1;
timecount := 0;
xmin := 0;
x := 0;
iocmd := sys->file2chan("/chan", "pppgui");
if (iocmd == nil) {
sys->print("fail: pppgui: file2chan: /chan/pppgui: %r\n");
return;
}
pppquanta = DIALQUANTA;
sync_chan := chan of int;
spawn ppp_timer(sync_chan, stat);
Work:
for(;;) alt {
s := <-t.ctxt.kbd =>
tk->keyboard(t, s);
s := <-t.ctxt.ptr =>
tk->pointer(t, *s);
s := <-t.ctxt.ctl or
s = <-t.wreq or
s = <-wmctl =>
tkclient->wmctl(t, s);
s := <-ticon.ctxt.kbd =>
tk->keyboard(ticon, s);
s := <-ticon.ctxt.ptr =>
tk->pointer(ticon, *s);
s := <-ticon.ctxt.ctl or
s = <-ticon.wreq or
s = <-iconctl =>
tkclient->wmctl(ticon, s);
(off, data, fid, wc) := <-iocmd.write => # remote io control
if (wc == nil)
break;
spawn send(cmd, string data[0:len data]);
wc <-= (len data, nil);
(nil, nbytes, fid, rc) := <-iocmd.read =>
if (rc != nil)
rc <-= (nil, "not readable");
press := <-cmd =>
case press {
"cancel" or "disconnect" =>
tk->cmd(t, ".stat configure -text 'Disconnecting...");
tk->cmd(t, "update");
ppp->reset();
if (!connected) {
# other end may have gone away
alt {
chn <-= 666 => ;
* => ;
}
}
break Work;
* => ;
}
prs := <-tsk =>
case prs {
"open" =>
tk->cmd(ticon, ". unmap; update");
tk->cmd(t, ". map; raise .; update");
winmapped = 1;
timecount = 0;
* => ;
}
s := <-stat =>
if (s == -1) { # just an update event
if(winmapped){
if(!connected) { # increment status bar
if (x < xmin+INCR) {
x++;
tk->cmd(t, ".cprog create rectangle 0 0 "+string x + BARH+" -fill "+LTGRN);
}
}else{
timecount++;
if(timecount > 1){
winmapped = 0;
timecount = 0;
tk->cmd(t, ". unmap; update");
tk->cmd(ticon, ". map; raise .; update");
continue;
}
}
tk->cmd(t, "raise .; update");
} else {
tk->cmd(ticon, "raise .; update");
timecount = 0;
}
continue;
}
if (s == ppp->s_Error) {
tk->cmd(t, ".stat configure -text '"+ppp->lasterror);
if (!winmapped) {
tk->cmd(ticon, ". unmap; update");
tk->cmd(t, ". map; raise .");
}
tk->cmd(t, "update");
sys->sleep(3000);
ppp->reset();
if (!connected)
chn <-= 0; # Failure
break Work;
}
if (s == ppp->s_Initialized)
tk->cmd(t,".cprog create rectangle 0 0 "+string BARW + BARH+" -fill "+PBG);
x = xmin = s * INCR;
if (xmin > BARW)
xmin = BARW;
tk->cmd(t, ".cprog create rectangle 0 0 "+string xmin + BARH+" -fill "+LTGRN);
tk->cmd(t, "raise .; update");
tk->cmd(t, ".stat configure -text '"+X(stat_msgs[s]));
if (s == ppp->s_SuccessPPP || s == ppp->s_Done) {
if(!connected){
chn <-= 1;
connected = 1;
}
pppquanta = ICONQUANTA;
# find and display connection speed
speed := findrate("/dev/modemstat", "rcvrate" :: "baud" :: nil);
if(speed != nil)
tk->cmd(t, ".stat configure -text {"+X(stat_msgs[s])+" "+speed+" bps}");
else
tk->cmd(t, ".stat configure -text {"+X(stat_msgs[s])+"}");
tk->cmd(t, ".done configure -text Disconnect -command 'send cmd disconnect");
tk->cmd(t, "update");
sys->sleep(2000);
tk->cmd(t, ". unmap; pack forget .fprog; update");
winmapped = 0;
tk->cmd(ticon, ". map; raise .; update");
}
tk->cmd(t, "update");
}
sync_chan <-= 1; # stop ppp_timer
}
findrate(file: string, opt: list of string): string
{
fd := sys->open(file, sys->OREAD);
if(fd == nil)
return nil;
buf := array [1024] of byte;
n := sys->read(fd, buf, len buf);
if(n <= 1)
return nil;
(nil, flds) := sys->tokenize(string buf[0:n], " \t\r\n");
for(; flds != nil; flds = tl flds)
for(l := opt; l != nil; l = tl l)
if (hd flds == hd l)
return hd tl flds;
return nil;
}
# Translate a string
X(s : string) : string
{
if (dict== nil) return s;
return dict.xlate(s);
}