typedef struct allocnode {
struct allocnode *next, *back;
+ size_t sz;
} allocnode;
union maxalign {
struct query_queue { adns_query head, tail; };
+#define MAXUDP 2
+
struct adns__state {
adns_initflags iflags;
adns_logcallbackfn *logfn;
int configerrno;
struct query_queue udpw, tcpw, childw, output;
adns_query forallnext;
- int nextid, udpsocket, tcpsocket;
+ int nextid, tcpsocket;
+ struct udpsocket { int af; int fd; } udpsocket[MAXUDP];
+ int nudp;
vbuf tcpsend, tcprecv;
int nservers, nsortlist, nsearchlist, searchndots, tcpserver, tcprecv_skip;
enum adns__tcpstate {
* might be broken, but no reconnect will be attempted.
*/
+struct udpsocket *adns__udpsocket_by_af(adns_state ads, int af);
+/* Find the UDP socket structure in ads which has the given address family.
+ * Return null if there isn't one.
+ *
+ * This is used during initialization, so ads is only partially filled in.
+ * The requirements are that nudp is set, and that udpsocket[i].af are
+ * defined for 0<=i<nudp.
+ */
+
void adns__query_send(adns_query qu, struct timeval now);
/* Query must be in state tosend/NONE; it will be moved to a new state,
* and no further processing can be done on it for now.
* answer->cname and answer->owner are _preserved.
*/
-void adns__transfer_interim(adns_query from, adns_query to,
- void *block, size_t sz);
+void adns__transfer_interim(adns_query from, adns_query to, void *block);
/* Transfers an interim allocation from one query to another, so that
* the `to' query will have room for the data when we get to makefinal
* and so that the free will happen when the `to' query is freed
* TTLs get inherited by their parents.
*/
+void adns__free_interim(adns_query qu, void *p);
+/* Forget about a block allocated by adns__alloc_interim.
+ */
+
void *adns__alloc_mine(adns_query qu, size_t sz);
/* Like _interim, but does not record the length for later
* copying into the answer. This just ensures that the memory
void adns__query_done(adns_query qu);
void adns__query_fail(adns_query qu, adns_status stat);
+void adns__cancel_children(adns_query qu);
/* From reply.c: */