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kCommandWrite, move logout to separate list.

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This commit is contained in:
Kelvin Sherlock 2012-05-06 18:53:36 -04:00
parent 69a5fb0a6b
commit 0353485d98
1 changed files with 91 additions and 31 deletions
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122
table.c
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@ -12,8 +12,14 @@
#define TABLE_MASK 15
static struct Entry *table[TABLE_SIZE];
// ipids waiting to close + logout.
static struct Entry *dlist;
static void destroy_entry(Entry *e, Boolean abort);
void init_table(void)
{
dlist = NULL;
memset(table, 0, sizeof(table));
}
@ -21,6 +27,7 @@ void destroy_table(void)
{
Entry *e;
Entry *next;
unsigned i;
for (i = 0; i < TABLE_SIZE; ++i)
@ -32,24 +39,32 @@ void destroy_table(void)
while (e)
{
Entry *next;
IncBusy();
next = e->next;
TCPIPAbortTCP(e->ipid);
TCPIPLogout(e->ipid);
sdelete(e->semaphore);
free(e);
destroy_entry(e, true);
e = next;
DecBusy();
}
}
e = dlist;
while (e)
{
next = e->next;
destroy_entry(e, true);
e = next;
}
}
static void destroy_entry(Entry *e, Boolean abort)
{
if (abort) TCPIPAbortTCP(e->ipid);
TCPIPLogout(e->ipid);
sdelete(e->semaphore);
free(e);
}
Entry *find_entry(Word ipid)
@ -151,6 +166,7 @@ void process_table(void)
switch(command)
{
case kCommandRead:
// block until data available.
if (e->sr.srRcvQueued >= e->cookie
|| expired
|| terr)
@ -159,7 +175,20 @@ void process_table(void)
}
break;
case kCommandWrite:
// block until data sent.
if (e->sr.srSndQueued <= e->cookie
|| expired
|| terr)
{
sig = 1;
}
break;
case kCommandConnect:
// block until connection established.
if (state >= TCPSESTABLISHED || state == TCPSCLOSED)
{
sig = 1;
@ -171,6 +200,7 @@ void process_table(void)
break;
case kCommandDisconnect:
// block until connection closed.
if (state == TCPSCLOSED)
{
sig = 1;
@ -178,29 +208,24 @@ void process_table(void)
break;
case kCommandDisconnectAndLogout:
// logout and remove entry.
if (expired)
// move to other list
// since it's no longer a valid fd
if (prev)
{
// sweet 16 link layer?
TCPIPAbortTCP(e->ipid);
state = TCPSCLOSED;
prev->next = next;
}
else
{
table[i] = next;
}
if (state == TCPSCLOSED || state == TCPSTIMEWAIT)
{
TCPIPLogout(e->ipid);
sdelete(e->semaphore);
free(e);
e = NULL;
if (prev)
{
prev->next = next;
}
else
{
table[i] = next;
}
}
// add to the dlist.
e->next = dlist;
dlist = e;
e = NULL;
break;
}
@ -214,11 +239,46 @@ void process_table(void)
DecBusy();
} // e->command
if (e) prev = e;
e = next;
}
}
// now process the disconnect list.
e = dlist;
prev = NULL;
while (e)
{
next = e->next;
IncBusy();
terr = TCPIPStatusTCP(e->ipid, &e->sr);
t = _toolErr;
if (t) terr = t;
DecBusy();
if (e->sr.srState == TCPSCLOSED)
{
destroy_entry(e, false);
e = NULL;
// remove..
if (prev)
{
prev->next = next;
}
else
{
dlist = next;
}
}
if (e) prev = e;
e = next;
}
}