X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/adns/blobdiff_plain/e8c505a56d42871fcfbc77e3c1f4d0a60686bab7..84fe28dbf1b4d178b54d84becc0ee91c1b2db5d4:/src/adns-internal.h

diff --git a/src/adns-internal.h b/src/adns-internal.h
index 05dd29c..7caba2f 100644
--- a/src/adns-internal.h
+++ b/src/adns-internal.h
@@ -8,33 +8,59 @@
 #include "adns.h"
 
 #define MAXSERVERS 5
-#define MAXUDPRETRIES 10
+#define MAXUDPRETRIES 15
 #define UDPRETRYMS 2000
-#define TCPMS 20000
+#define TCPMS 30000
+#define LOCALRESOURCEMS 20
+
+union adns__align {
+  adns_status status;
+  char *cp;
+  adns_rrtype type;
+  int int;
+  struct in_addr ia;
+  unsigned long ul;
+};
 
 struct adns__query {
-  adns_query next, back;
-  adns_query parent, child;
+  adns_query back, next;
+  adns_query parent;
+  struct { adns_query head, tail; } children;
+  struct { adns_query back, next; } siblings;
   adns_rrtype type;
   adns_answer *answer;
-  int flags, udpretries, server;
+  size_t ansalloc; ansused;
+  int id, flags, udpretries; /* udpretries==-1 => _f_usevc or too big for UDP */
+  int nextudpserver;
+  unsigned long sentudp, senttcp; /* bitmaps indexed by server */
   struct timeval timeout;
   void *context;
+  unsigned char *querymsg;
+  int querylen;
   char owner[1];
+  /* Possible states:
+   *  Queue   child  id   answer    nextserver  sentudp             senttcp
+   *  tosend  null   >=0  null      any         any                 any
+   *  timew   null   >=0  null      any         at least 1 bit set  any
+   *  childw  set    >=0  partial   any         any                 any
+   *  output  null   -1   set/null  any         any                 any
+   */
 };
 
 struct adns__state {
   adns_initflags iflags;
-  struct { adns_query head, tail; } input, timew, childw, output;
-  int udpsocket;
+  struct { adns_query head, tail; } tosend, timew, childw, output;
+  int nextid, udpsocket;
   int qbufavail, tcpbufavail, tcpbufused, tcpbufdone;
-  char *qbuf, *tcpbuf;
-  int nservers;
-  struct {
+  unsigned char *qbuf, *tcpbuf;
+  int nservers, tcpserver;
+  enum { server_disc, server_connecting, server_ok } tcpstate;
+  int tcpsocket;
+  struct timeval tcptimeout;
+  int opbufavail, opbufused;
+  unsigned char *opbuf;
+  struct server {
     struct in_addr addr;
-    int tcpsocket;
-    struct timeval timeout;
-    struct { adns_query head, tail; } connw;
   } servers[MAXSERVERS];
 };