/** Release a Connection and all memory associated with it.
* The connection's DNS reply field is freed, its file descriptor is
* closed, its msgq and sendq are cleared, and its associated Listener
* is dereferenced. Then it is prepended to #connectionFreeList.
* @param[in] con Connection to free.
*/
static void dealloc_connection(struct Connection* con)
{
assert(con_verify(con));
assert(!t_active(&(con_proc(con))));
assert(!t_onqueue(&(con_proc(con))));
Debug((DEBUG_LIST, "Deallocating connection %p", con));
if (con_dns_reply(con))
--(con_dns_reply(con)->ref_count);
if (con_dnsbl_reply(con))
--(con_dnsbl_reply(con)->ref_count);
if (-1 < con_fd(con))
close(con_fd(con));
MsgQClear(&(con_sendQ(con)));
client_drop_sendq(con);
DBufClear(&(con_recvQ(con)));
if (con_listener(con))
release_listener(con_listener(con));
if (con_loc(con))
MyFree(con_loc(con));
--connections.inuse;
con_next(con) = connectionFreeList;
connectionFreeList = con;
con_magic(con) = 0;
}
/** Allocate a new Connection structure.
* If #connectionFreeList != NULL, use the head of that list.
* Otherwise, allocate a new structure.
* @return Newly allocated Connection.
*/
static struct Connection* alloc_connection(void)
{
struct Connection* con = connectionFreeList;
if (!con) {
con = (struct Connection*) MyMalloc(sizeof(struct Connection));
connections.alloc++;
} else
connectionFreeList = con_next(con);
connections.inuse++;
memset(con, 0, sizeof(struct Connection));
timer_init(&(con_proc(con)));
return con;
}
static struct Connection* alloc_connection(void)
{
struct Connection* con = connectionFreeList;
if (!con) {
con = (struct Connection*) MyMalloc(sizeof(struct Connection));
++connectionAllocCount;
} else
connectionFreeList = con_next(con);
#ifdef DEBUGMODE
connections.inuse++;
#endif
memset(con, 0, sizeof(struct Connection));
timer_init(&(con_proc(con)));
return con;
}
