#include "internal.h"
adns_status adns__mkquery(adns_state ads, const char *owner, int ol, int id,
adns_rrtype type, adns_queryflags flags) {
/* Assembles a query packet in ads->rqbuf. */
int ll, c, nlabs;
#include "internal.h"
adns_status adns__mkquery(adns_state ads, const char *owner, int ol, int id,
adns_rrtype type, adns_queryflags flags) {
/* Assembles a query packet in ads->rqbuf. */
int ll, c, nlabs;
const char *p, *pe;
#define MKQUERY_ADDB(b) *rqp++= (b)
#define MKQUERY_ADDW(w) (MKQUERY_ADDB(((w)>>8)&0x0ff), MKQUERY_ADDB((w)&0x0ff))
const char *p, *pe;
#define MKQUERY_ADDB(b) *rqp++= (b)
#define MKQUERY_ADDW(w) (MKQUERY_ADDB(((w)>>8)&0x0ff), MKQUERY_ADDB((w)&0x0ff))
if (ctype_digit(c) || c == '-') {
if (!ll) return adns_s_invaliddomain;
} else if ((c < 'a' || c > 'z') && (c < 'A' && c > 'Z')) {
if (ctype_digit(c) || c == '-') {
if (!ll) return adns_s_invaliddomain;
} else if ((c < 'a' || c > 'z') && (c < 'A' && c > 'Z')) {
/* Query must be in state tcpwait/timew; it will be moved to a new state
* if possible and no further processing can be done on it for now.
* (Resulting state is one of tcpwait/timew (if server not connected),
/* Query must be in state tcpwait/timew; it will be moved to a new state
* if possible and no further processing can be done on it for now.
* (Resulting state is one of tcpwait/timew (if server not connected),
* may break. If the conn list lost then the caller is responsible for any
* reestablishment and retry.
*/
* may break. If the conn list lost then the caller is responsible for any
* reestablishment and retry.
*/
if (ads->tcpstate != server_ok) return;
length[0]= (qu->querylen&0x0ff00U) >>8;
length[1]= (qu->querylen&0x0ff);
if (ads->tcpstate != server_ok) return;
length[0]= (qu->querylen&0x0ff00U) >>8;
length[1]= (qu->querylen&0x0ff);
- qu->senttcpserver= ads->tcpserver;
- DLIST_LINKTAIL(ads->timew,qu);
+ qu->state= query_tcpsent;
+ LIST_LINK_TAIL(ads->timew,qu);
iov[1].iov_len= qu->querylen;
wr= writev(ads->tcpsocket,iov,2);
if (wr < 0) {
iov[1].iov_len= qu->querylen;
wr= writev(ads->tcpsocket,iov,2);
if (wr < 0) {
- DLIST_LINKTAIL(ads->timew,qu);
- adns__query_tcp(ads,qu);
- adns__tcp_tryconnect(ads);
+ LIST_LINK_TAIL(ads->timew,qu);
+ adns__query_tcp(ads,qu,now);
+ adns__tcp_tryconnect(ads,now);
* tcpsent/timew, child/childw or done/output.)
*/
struct sockaddr_in servaddr;
* tcpsent/timew, child/childw or done/output.)
*/
struct sockaddr_in servaddr;
- if (qu->udpretries >= UDPMAXRETRIES) {
- query_fail(ads,qu,adns_s_notresponding);
+ if (qu->udpretries >= MAXUDPRETRIES) {
+ adns__query_fail(ads,qu,adns_s_timeout);
memset(&servaddr,0,sizeof(servaddr));
servaddr.sin_family= AF_INET;
servaddr.sin_addr= ads->servers[serv].addr;
memset(&servaddr,0,sizeof(servaddr));
servaddr.sin_family= AF_INET;
servaddr.sin_addr= ads->servers[serv].addr;
r= sendto(ads->udpsocket,qu->querymsg,qu->querylen,0,&servaddr,sizeof(servaddr));
if (r<0 && errno == EMSGSIZE) { query_usetcp(ads,qu,now); return; }
r= sendto(ads->udpsocket,qu->querymsg,qu->querylen,0,&servaddr,sizeof(servaddr));
if (r<0 && errno == EMSGSIZE) { query_usetcp(ads,qu,now); return; }
- if (r<0) warn("sendto %s failed: %s",inet_ntoa(servaddr.sin_addr),strerror(errno));
+ if (r<0) adns__warn(ads,serv,"sendto failed: %s",strerror(errno));
- DLIST_LINKTAIL(ads->timew,qu);
+ LIST_LINK_TAIL(ads->timew,qu);
+}
+
+void adns__query_nomem(adns_state ads, adns_query qu) {
+ qu->answer.used= 0;
+ qu->id= -1;
+ LIST_LINK_TAIL(ads->output,qu);