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Clean up THTTPD watch handling

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@2036 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2009-09-11 18:21:57 +00:00
parent 4a5c1b2633
commit 013180db0e
10 changed files with 154 additions and 131 deletions

View File

@ -297,7 +297,7 @@ int net_close(int sockfd)
return OK;
errout:
*get_errno_ptr() = err;
errno = err;
return ERROR;
}

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@ -1,7 +1,7 @@
/****************************************************************************
* net/netdev_findbyaddr.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without

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@ -1,7 +1,7 @@
/****************************************************************************
* net/netdev_txnotify.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without

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@ -1,7 +1,7 @@
/****************************************************************************
* net/uip/uip_listen.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* A direct leverage of logic from uIP which also has b BSD style license
@ -256,7 +256,7 @@ int uip_accept(struct uip_driver_s *dev, struct uip_conn *conn, uint16 portno)
* may be waiting on poll()/select() that the connection is available.
*/
ret = uip_backlogadd(listener, conn);
ret = uip_backlogadd(listener, conn);
if (ret == OK)
{
(void)uip_tcpcallback(dev, listener, UIP_BACKLOG);

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@ -347,7 +347,7 @@ void uip_tcpfree(struct uip_conn *conn)
*
* Description:
* Find a connection structure that is the appropriate
* connection to be used withi the provided TCP/IP header
* connection to be used with the provided TCP/IP header
*
* Assumptions:
* This function is called from UIP logic at interrupt level

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@ -161,7 +161,7 @@ void uip_tcpinput(struct uip_driver_s *dev)
conn = uip_tcpaccept(pbuf);
if (conn)
{
/* The connection structure was successfully allocated. Now see
/* The connection structure was successfully allocated. Now see if
* there is an application waiting to accept the connection (or at
* least queue it it for acceptance).
*/

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@ -2,7 +2,7 @@
* net/uip/uip_tcppoll.c
* Poll for the availability of TCP TX data
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Adapted for NuttX from logic in uIP which also has a BSD-like license:
@ -97,7 +97,7 @@ void uip_tcppoll(struct uip_driver_s *dev, struct uip_conn *conn)
uint8 result;
/* Verify that the connection is established and if the connection has
* oustanding (unacknowledged) sent data.
* no outstanding (unacknowledged) sent data.
*/
if ((conn->tcpstateflags & UIP_TS_MASK) == UIP_ESTABLISHED &&

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@ -285,10 +285,13 @@ int fdwatch(struct fdwatch_s *fw, long timeout_msecs)
{
/* Is there activity on this descriptor? */
if (fw->pollfds[i].revents & (POLLIN | POLLOUT | POLLERR | POLLHUP | POLLNVAL))
if (fw->pollfds[i].revents & (POLLIN | POLLERR | POLLHUP | POLLNVAL))
{
/* Yes... save it in a shorter list */
nvdbg("pollndx: %d fd: %d revents: %04x\n",
i, fw->pollfds[i].fd, fw->pollfds[i].revents);
fw->ready[fw->nactive++] = fw->pollfds[i].fd;
if (fw->nactive == ret)
{

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@ -565,8 +565,7 @@ static void clear_connection(struct connect_s *conn, struct timeval *tv)
conn->linger_timer = NULL;
conn->hc->should_linger = FALSE;
}
if (conn->hc->should_linger)
else if (conn->hc->should_linger)
{
fdwatch_del_fd(fw, conn->hc->conn_fd);
conn->conn_state = CNST_LINGERING;
@ -893,14 +892,7 @@ int thttpd_main(int argc, char **argv)
if (conn)
{
hc = conn->hc;
if (!fdwatch_check_fd(fw, hc->conn_fd))
{
/* Something went wrong */
nvdbg("Clearing connection\n");
clear_connection(conn, &tv);
}
else
if (fdwatch_check_fd(fw, hc->conn_fd))
{
nvdbg("Handle conn_state %d\n", conn->conn_state);
switch (conn->conn_state)

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@ -60,7 +60,11 @@
static Timer *timers[HASH_SIZE];
static Timer *free_timers;
static int alloc_count, active_count, free_count;
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
static int alloc_count;
static int active_count;
static int free_count;
#endif
/****************************************************************************
* Public Data
@ -72,7 +76,7 @@ ClientData JunkClientData;
* Private Functions
****************************************************************************/
static unsigned int hash(Timer *t)
static unsigned int hash(Timer *tmr)
{
/* We can hash on the trigger time, even though it can change over the
* life of a timer via the periodic bit.
@ -80,97 +84,97 @@ static unsigned int hash(Timer *t)
* the hash and moves the timer to the appropriate list.
*/
return ((unsigned int)t->time.tv_sec ^
(unsigned int)t->time.tv_usec) % HASH_SIZE;
return ((unsigned int)tmr->time.tv_sec ^
(unsigned int)tmr->time.tv_usec) % HASH_SIZE;
}
static void l_add(Timer * t)
static void l_add(Timer *tmr)
{
int h = t->hash;
register Timer *t2;
register Timer *t2prev;
int h = tmr->hash;
register Timer *tmr2;
register Timer *tmr2prev;
t2 = timers[h];
if (t2 == NULL)
tmr2 = timers[h];
if (tmr2 == NULL)
{
/* The list is empty. */
timers[h] = t;
t->prev = t->next = NULL;
timers[h] = tmr;
tmr->prev = tmr->next = NULL;
}
else
{
if (t->time.tv_sec < t2->time.tv_sec ||
(t->time.tv_sec == t2->time.tv_sec &&
t->time.tv_usec <= t2->time.tv_usec))
if (tmr->time.tv_sec < tmr2->time.tv_sec ||
(tmr->time.tv_sec == tmr2->time.tv_sec &&
tmr->time.tv_usec <= tmr2->time.tv_usec))
{
/* The new timer goes at the head of the list. */
timers[h] = t;
t->prev = NULL;
t->next = t2;
t2->prev = t;
timers[h] = tmr;
tmr->prev = NULL;
tmr->next = tmr2;
tmr2->prev = tmr;
}
else
{
/* Walk the list to find the insertion point. */
for (t2prev = t2, t2 = t2->next; t2 != NULL;
t2prev = t2, t2 = t2->next)
for (tmr2prev = tmr2, tmr2 = tmr2->next; tmr2 != NULL;
tmr2prev = tmr2, tmr2 = tmr2->next)
{
if (t->time.tv_sec < t2->time.tv_sec ||
(t->time.tv_sec == t2->time.tv_sec &&
t->time.tv_usec <= t2->time.tv_usec))
if (tmr->time.tv_sec < tmr2->time.tv_sec ||
(tmr->time.tv_sec == tmr2->time.tv_sec &&
tmr->time.tv_usec <= tmr2->time.tv_usec))
{
/* Found it. */
t2prev->next = t;
t->prev = t2prev;
t->next = t2;
t2->prev = t;
tmr2prev->next = tmr;
tmr->prev = tmr2prev;
tmr->next = tmr2;
tmr2->prev = tmr;
return;
}
}
/* Oops, got to the end of the list. Add to tail. */
t2prev->next = t;
t->prev = t2prev;
t->next = NULL;
tmr2prev->next = tmr;
tmr->prev = tmr2prev;
tmr->next = NULL;
}
}
}
static void l_remove(Timer * t)
static void l_remove(Timer *tmr)
{
int h = t->hash;
int h = tmr->hash;
if (t->prev == NULL)
if (tmr->prev == NULL)
{
timers[h] = t->next;
timers[h] = tmr->next;
}
else
{
t->prev->next = t->next;
tmr->prev->next = tmr->next;
}
if (t->next != NULL)
if (tmr->next != NULL)
{
t->next->prev = t->prev;
tmr->next->prev = tmr->prev;
}
}
static void l_resort(Timer * t)
static void l_resort(Timer *tmr)
{
/* Remove the timer from its old list. */
l_remove(t);
l_remove(tmr);
/* Recompute the hash. */
t->hash = hash(t);
tmr->hash = hash(tmr);
/* And add it back in to its new list, sorted correctly. */
l_add(t);
l_add(tmr);
}
/****************************************************************************
@ -187,66 +191,78 @@ void tmr_init(void)
}
free_timers = NULL;
alloc_count = active_count = free_count = 0;
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
alloc_count = 0;
active_count = 0;
free_count = 0;
#endif
}
Timer *tmr_create(struct timeval *nowP, TimerProc * timer_proc,
Timer *tmr_create(struct timeval *now, TimerProc *timer_proc,
ClientData client_data, long msecs, int periodic)
{
Timer *t;
Timer *tmr;
if (free_timers != NULL)
{
t = free_timers;
free_timers = t->next;
tmr = free_timers;
free_timers = tmr->next;
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
--free_count;
#endif
}
else
{
t = (Timer*)httpd_malloc(sizeof(Timer));
if (!t)
tmr = (Timer*)httpd_malloc(sizeof(Timer));
if (!tmr)
{
return NULL;
}
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
alloc_count++;
#endif
}
t->timer_proc = timer_proc;
t->client_data = client_data;
t->msecs = msecs;
t->periodic = periodic;
tmr->timer_proc = timer_proc;
tmr->client_data = client_data;
tmr->msecs = msecs;
tmr->periodic = periodic;
if (nowP != NULL)
if (now != NULL)
{
t->time = *nowP;
tmr->time = *now;
}
else
{
(void)gettimeofday(&t->time, NULL);
(void)gettimeofday(&tmr->time, NULL);
}
t->time.tv_sec += msecs / 1000L;
t->time.tv_usec += (msecs % 1000L) * 1000L;
if (t->time.tv_usec >= 1000000L)
tmr->time.tv_sec += msecs / 1000L;
tmr->time.tv_usec += (msecs % 1000L) * 1000L;
if (tmr->time.tv_usec >= 1000000L)
{
t->time.tv_sec += t->time.tv_usec / 1000000L;
t->time.tv_usec %= 1000000L;
tmr->time.tv_sec += tmr->time.tv_usec / 1000000L;
tmr->time.tv_usec %= 1000000L;
}
t->hash = hash(t);
tmr->hash = hash(tmr);
/* Add the new timer to the proper active list. */
l_add(t);
++active_count;
return t;
l_add(tmr);
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
active_count++;
#endif
nvdbg("Return: %p\n", tmr);
return tmr;
}
long tmr_mstimeout(struct timeval *nowP)
long tmr_mstimeout(struct timeval *now)
{
int h;
int gotone;
long msecs, m;
register Timer *t;
register Timer *tmr;
gotone = 0;
msecs = 0;
@ -257,11 +273,11 @@ long tmr_mstimeout(struct timeval *nowP)
for (h = 0; h < HASH_SIZE; ++h)
{
t = timers[h];
if (t != NULL)
tmr = timers[h];
if (tmr != NULL)
{
m = (t->time.tv_sec - nowP->tv_sec) * 1000L +
(t->time.tv_usec - nowP->tv_usec) / 1000L;
m = (tmr->time.tv_sec - now->tv_sec) * 1000L +
(tmr->time.tv_usec - now->tv_usec) / 1000L;
if (!gotone)
{
msecs = m;
@ -287,74 +303,86 @@ long tmr_mstimeout(struct timeval *nowP)
return msecs;
}
void tmr_run(struct timeval *nowP)
void tmr_run(struct timeval *now)
{
int h;
Timer *t;
Timer *tmr;
Timer *next;
for (h = 0; h < HASH_SIZE; ++h)
for (t = timers[h]; t != NULL; t = next)
{
next = t->next;
{
for (tmr = timers[h]; tmr != NULL; tmr = next)
{
next = tmr->next;
/* Since the lists are sorted, as soon as we find a timer * that isn't
* ready yet, we can go on to the next list
*/
/* Since the lists are sorted, as soon as we find a timer * that isn'tmr
* ready yet, we can go on to the next list
*/
if (t->time.tv_sec > nowP->tv_sec ||
(t->time.tv_sec == nowP->tv_sec && t->time.tv_usec > nowP->tv_usec))
{
break;
}
if (tmr->time.tv_sec > now->tv_sec ||
(tmr->time.tv_sec == now->tv_sec && tmr->time.tv_usec > now->tv_usec))
{
break;
}
(t->timer_proc)(t->client_data, nowP);
if (t->periodic)
{
/* Reschedule. */
(tmr->timer_proc)(tmr->client_data, now);
if (tmr->periodic)
{
/* Reschedule. */
t->time.tv_sec += t->msecs / 1000L;
t->time.tv_usec += (t->msecs % 1000L) * 1000L;
if (t->time.tv_usec >= 1000000L)
{
t->time.tv_sec += t->time.tv_usec / 1000000L;
t->time.tv_usec %= 1000000L;
}
l_resort(t);
}
else
{
tmr_cancel(t);
}
}
tmr->time.tv_sec += tmr->msecs / 1000L;
tmr->time.tv_usec += (tmr->msecs % 1000L) * 1000L;
if (tmr->time.tv_usec >= 1000000L)
{
tmr->time.tv_sec += tmr->time.tv_usec / 1000000L;
tmr->time.tv_usec %= 1000000L;
}
l_resort(tmr);
}
else
{
tmr_cancel(tmr);
}
}
}
}
void tmr_cancel(Timer * t)
void tmr_cancel(Timer *tmr)
{
nvdbg("tmr: %p\n", tmr);
/* Remove it from its active list. */
l_remove(t);
l_remove(tmr);
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
active_count--;
#endif
/* And put it on the free list. */
t->next = free_timers;
free_timers = t;
tmr->next = free_timers;
free_timers = tmr;
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
free_count++;
t->prev = NULL;
#endif
tmr->prev = NULL;
}
void tmr_cleanup(void)
{
Timer *t;
Timer *tmr;
while (free_timers != NULL)
{
t = free_timers;
free_timers = t->next;
tmr = free_timers;
free_timers = tmr->next;
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
free_count--;
httpd_free((void*)t);
#endif
httpd_free((void*)tmr);
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
alloc_count--;
#endif
}
}