Halfway through main implementation bit.

[adns.git] / src / adns-internal.h

diff --git a/src/adns-internal.h b/src/adns-internal.h
index f4fe829c7368505f37dca783c11aaa9dc310b14c..08a29488ab6c638fe8a7b078b6404b8794dbe2c7 100644 (file)
--- a/src/adns-internal.h
+++ b/src/adns-internal.h
@@ -8,16 +8,31 @@
 #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;
+  /* FIXME: make sure this is all init'd properly */
+  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 id, flags, udpretries, nextserver;
+  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;
@@ -25,27 +40,31 @@ struct adns__query {
   int querylen;
   char owner[1];
   /* Possible states:
-   *  Queue   child  answer   nextserver  sentudp             senttcp
-   *  input   null   null     0           all bits zero       all bits zero
-   *  timew   null   null     any         at least 1 bit set  any
-   *  childw  set    partial  any         any                 any
-   *  output  null   set      any         any                 any
+   *  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__vbuf {
+  size_t used, avail;
+  unsigned char *buf;
+};
+
 struct adns__state {
+  /* FIXME: make sure this is all init'd properly */
   adns_initflags iflags;
-  struct { adns_query head, tail; } input, timew, childw, output;
+  struct { adns_query head, tail; } tosend, timew, childw, output;
   int nextid, udpsocket;
-  int qbufavail, tcpbufavail, tcpbufused, tcpbufdone;
-  unsigned char *qbuf, *tcpbuf;
-  int nservers;
+  adns_vbuf rqbuf, tcpsend, tcprecv;
+  int nservers, tcpserver;
+  enum adns__tcpstate { server_disc, server_connecting, server_ok } tcpstate;
+  int tcpsocket;
+  struct timeval tcptimeout;
   struct server {
     struct in_addr addr;
-    enum { server_disc, server_connecting, server_ok } state;
-    int tcpsocket;
-    struct timeval timeout;
-    struct { adns_query head, tail; } connw;
   } servers[MAXSERVERS];
 };