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implement Init;
#
# init program for standalone remote pc kernel - for benchmarking
#
include "sys.m";
sys: Sys;
FD, Connection, sprint, Dir: import sys;
print, fprint, open, bind, mount, dial, sleep, read, chdir: import sys;
include "draw.m";
draw: Draw;
Context: import draw;
include "keyring.m";
kr: Keyring;
include "security.m";
auth: Auth;
Init: module
{
init: fn();
};
Shell: module
{
init: fn(ctxt: ref Context, argv: list of string);
};
remotefs(server: string): int
{
ok, n: int;
c: Connection;
(ok, c) = dial("tcp!" + server + "!6666", nil);
if(ok < 0)
return -1;
sys->print("Connected ...\n");
if(kr != nil){
err: string;
sys->print("Authenticate ...");
ai := kr->readauthinfo("/nvfs/default");
if(ai == nil){
sys->print("readauthinfo /nvfs/default failed: %r\n");
sys->print("trying mount as `nobody'\n");
}
(c.dfd, err) = auth->client("none", ai, c.dfd);
if(c.dfd == nil){
sys->print("authentication failed: %s\n", err);
return -1;
}
}
sys->print("mount ...\n");
c.cfd = nil;
n = mount(c.dfd, "/n/remote", sys->MREPL, "");
if(n > 0)
return 0;
return -1;
}
Bootpreadlen: con 128;
bootp(): string
{
#
# BUG: if bootp fails, can't then use "add ether" correctly
#
fd := open("/net/ipifc", sys->OWRITE);
if(fd == nil) {
print("init: open /net/ipifc: %r");
return nil;
}
fprint(fd, "bootp /net/ether0");
fd = open("/net/bootp", sys->OREAD);
if(fd == nil) {
print("init: open /net/bootp: %r\n");
return nil;
}
buf := array[Bootpreadlen] of byte;
nr := read(fd, buf, len buf);
fd = nil;
if(nr > 0) {
(ntok, ls) := sys->tokenize(string buf, " \t\n");
while(ls != nil) {
if(hd ls == "fsip") {
ls = tl ls;
break;
}
ls = tl ls;
}
srv : string;
if(ls == nil || ((srv = hd ls) == "0.0.0.0")) {
print("init: server address not in bootp read\n");
return nil;
}
return srv;
}
return nil;
}
init()
{
sys = load Sys Sys->PATH;
stdin := sys->fildes(0);
kr = load Keyring Keyring->PATH;
auth = load Auth Auth->PATH;
if(auth != nil)
auth->init();
sys->print("**\n** Inferno\n** Vita Nuova\n**\n");
sys->print("Setup boot net services ...\n");
#
# Setup what we need to call a server and
# Authenticate
#
sys->print("Bind ethernet ...\n");
bind("#l", "/net", sys->MREPL);
sys->print("Bind IP ...\n");
bind("#I", "/net", sys->MAFTER);
sys->print("Bind console ...\n");
bind("#c", "/dev", sys->MAFTER);
setsysname();
if (1) {
print("bootp ...\n");
srv := bootp();
if (srv != nil)
if (remotefs(srv) < 0)
print("No remote filesystem\n");
else {
print("Remote filesystem mounted\n");
bind("/n/remote/dis", "/dis", sys->MBEFORE);
bind("/n/remote/dis/lib", "/dis/lib", sys->MBEFORE);
}
} else {
print("Standalone mode\n");
fd := open("/net/ipifc", sys->OWRITE);
if(fd == nil) {
print("init: open /net/ipifc: %r");
exit;
}
fprint(fd, "add ether /net/ether0 %s %s", "200.1.1.60", "255.255.255.0");
fd = nil;
}
#
# default namespace
#
sys->unmount(nil, "/dev");
bind("#c", "/dev", sys->MBEFORE); # console
bind("#l", "/net", sys->MBEFORE); # ethernet
bind("#I", "/net", sys->MBEFORE); # TCP/IP
bind("#p", "/prog", sys->MREPL); # prog device
sys->bind("#d", "/fd", Sys->MREPL);
bind("#T", "/dev", sys->MBEFORE); # kprof device
bind("#x", "/dev", sys->MBEFORE); # bench device
print("clock...\n");
setclock();
print("Server...\n");
dc: ref Context;
cs := load Shell "/dis/ndb/cs.dis";
if(cs == nil)
print("Server not loaded\n");
else
cs->init(dc, "cs" :: nil);
server := load Shell "/dis/lib/srv.dis";
if(server == nil)
print("Server not loaded\n");
else {
# server->init(dc, "srv" :: nil);
}
print("Console...\n");
sys->chdir("/n/remote/usr/john/appl/bench");
shell := load Shell "/dis/sh.dis";
if(shell == nil) {
print("init: load /dis/sh.dis: %r");
exit;
}
shell->init(dc, nil);
}
setclock()
{
(ok, dir) := sys->stat("/");
if (ok < 0) {
print("init: stat /: %r");
return;
}
fd := sys->open("/dev/time", sys->OWRITE);
if (fd == nil) {
print("init: open /dev/time: %r");
return;
}
# Time is kept as microsecs, atime is in secs
b := array of byte sprint("%d000000", dir.atime);
if (sys->write(fd, b, len b) != len b)
print("init: write /dev/time: %r");
}
#
# Set system name from nvram
#
setsysname()
{
fd := open("/nvfs/ID", sys->OREAD);
if(fd == nil)
return;
fds := open("/dev/sysname", sys->OWRITE);
if(fds == nil)
return;
buf := array[128] of byte;
nr := sys->read(fd, buf, len buf);
if(nr <= 0)
return;
sys->write(fds, buf, nr);
}
readline(fd: ref Sys->FD): string
{
l := array [128] of byte;
nb := sys->read(fd, l, len l);
if(nb <= 1)
return "";
return string l[0:nb-1];
}
|
