/* Called to close a given filedescriptor */
void
fd_close(int fd)
{
fde_t *F = &fd_table[fd];
s_assert(F->flags.open);
/* All disk fd's MUST go through file_close() ! */
s_assert(F->type != FD_FILE);
if(F->type == FD_FILE)
{
s_assert(F->read_handler == NULL);
s_assert(F->write_handler == NULL);
}
comm_setselect(F->fd, FDLIST_NONE, COMM_SELECT_WRITE | COMM_SELECT_READ, NULL, NULL, 0);
comm_setflush(F->fd, 0, NULL, NULL);
if (F->dns_query != NULL)
{
delete_adns_queries(F->dns_query);
MyFree(F->dns_query);
F->dns_query = NULL;
}
F->flags.open = 0;
fdlist_update_biggest(fd, 0);
number_fd--;
memset(F, '\0', sizeof(fde_t));
F->timeout = 0;
/* Unlike squid, we're actually closing the FD here! -- adrian */
close(fd);
}
/*
* comm_checktimeouts() - check the socket timeouts
*
* All this routine does is call the given callback/cbdata, without closing
* down the file descriptor. When close handlers have been implemented,
* this will happen.
*/
void
comm_checktimeouts(void *notused)
{
int fd;
PF *hdl;
void *data;
fde_t *F;
for (fd = 0; fd <= highest_fd; fd++)
{
F = &fd_table[fd];
if(!F->flags.open)
continue;
if(F->flags.closing)
continue;
/* check flush functions */
if(F->flush_handler &&
F->flush_timeout > 0 && F->flush_timeout < CurrentTime)
{
hdl = F->flush_handler;
data = F->flush_data;
comm_setflush(F->fd, 0, NULL, NULL);
hdl(F->fd, data);
}
/* check timeouts */
if(F->timeout_handler &&
F->timeout > 0 && F->timeout < CurrentTime)
{
/* Call timeout handler */
hdl = F->timeout_handler;
data = F->timeout_data;
comm_settimeout(F->fd, 0, NULL, NULL);
hdl(F->fd, data);
}
}
}
/*
* comm_checktimeouts() - check the socket timeouts
*
* All this routine does is call the given callback/cbdata, without closing
* down the file descriptor. When close handlers have been implemented,
* this will happen.
*/
void
comm_checktimeouts(void *notused)
{
int i;
fde_t *F;
PF *hdl;
void *data;
for (i = 0; i < FD_HASH_SIZE; i++)
for (F = fd_hash[i]; F != NULL; F = fd_next_in_loop)
{
assert(F->flags.open);
fd_next_in_loop = F->hnext;
/* check flush functions */
if (F->flush_handler && F->flush_timeout > 0 &&
F->flush_timeout < CurrentTime)
{
hdl = F->flush_handler;
data = F->flush_data;
comm_setflush(F, 0, NULL, NULL);
hdl(F, data);
}
/* check timeouts */
if (F->timeout_handler && F->timeout > 0 &&
F->timeout < CurrentTime)
{
/* Call timeout handler */
hdl = F->timeout_handler;
data = F->timeout_data;
comm_settimeout(F, 0, NULL, NULL);
hdl(F, data);
}
}
}
