plan9fox/sys/lib/acid/network
2011-03-30 19:35:09 +03:00

169 lines
2.4 KiB
Text

_ni=0; // network indent level
defn
_ni() {
loop 1,_ni do {
print("\t");
}
}
defn
ipdev(n) {
_ipfs(*(ipfs+4*n));
}
// the funny _foo/foo pairs exist so that if we get
// interrupted in the middle of one of these, _ni will
// get reset to 0 next time an external call happens.
defn
_ipfs(fs) {
complex Fs fs;
local i;
print("ipfs(", fs\X, ") #I", fs.dev\D, "\n");
i=0;
_ni = _ni+1;
while i < fs.np do {
_proto(*(fs.p+i*4));
i = i + 1;
}
_ni = _ni-1;
}
defn
ipfs(fs) {
_ni = 0;
_ipfs(fs);
}
defn
_proto(p) {
local c;
complex Proto p;
_ni();
print("proto(", p\X, ") ", *(p.name\s), "\n");
_ni = _ni+1;
local i;
i = 0;
while i < p.nc do {
c = *(p.conv+i*4);
complex Conv c;
if c != 0 && c.inuse then
_conv(*(p.conv+i*4));
i = i + 1;
}
_ni = _ni - 1;
}
defn
proto(p) {
_ni = 0;
_proto(p);
}
defn
_conv(c) {
complex Conv c;
_ni();
local p;
p = c.p;
complex Proto p;
print("conv(", c\X, ") ", *(p.name\s), "/", c.x\D, " ",
iptostr(*(c.laddr+12)), "!", c.lport\D, " ", iptostr(*(c.raddr+12)),
"!", c.rport\D, " rq ", qtostr(c.rq), " wq ", qtostr(c.wq),
" eq ", qtostr(c.eq), "\n");
}
defn
conv(c) {
_ni = 0;
_conv(c);
}
defn
iptostr(a)
{
// BUG: little endian
return itoa(a&0xFF)+"."+itoa((a>>8)&0xFF)+"."+itoa((a>>16)&0xFF)+"."+itoa((a>>24)&0xFF);
}
defn
qtostr(q)
{
complex Queue q;
return "queue("+itoa(q, "%lux")+") ["+itoa(q.len, "%d")+","+itoa(q.dlen, "%d")+","+itoa(qblocks(q), "%d")+"]";
}
defn
qblocks(q)
{
complex Queue q;
local b, n;
b = q.bfirst;
n = 0;
while b != 0 do {
n = n + 1;
complex Block b;
b = b.next;
}
return n;
}
defn
_queue(q)
{
complex Queue q;
local b;
print("queue(", q\X, ") len ", q.len\D, " dlen ", q.dlen\D, " limit ", q.limit\D, " nblocks ", qblocks(q)\D);
if q.state & Qstarve then
print(" starve");
if q.state & Qmsg then
print(" msg");
if q.state & Qclosed then
print(" closed");
if q.state & Qflow then
print(" flow");
if q.state & Qcoalesce then
print(" coalesce");
print("\n");
b = q.bfirst;
_ni = _ni+1;
while b != 0 do {
_block(b);
complex Block b;
b = b.next;
}
_ni = _ni - 1;
}
defn
queue(q)
{
_ni = 0;
_queue(q);
}
defn
_block(b)
{
complex Block b;
_ni();
print("block(", b\X, ") base ", b.base\X, " rp ", b.rp\X, "/", b.rp-b.base\D, " wp ", b.wp\X, "/", b.wp-b.base\D, " lim ", b.lim\X, "/", b.lim-b.base\D, "\n");
}
defn
block(b)
{
_ni = 0;
block(b);
}
print("/sys/lib/acid/network");
needacid("tcp");
needacid("qio");