| 1 | /**/ |
| 2 | |
| 3 | #ifndef ADNS_INTERNAL_H_INCLUDED |
| 4 | #define ADNS_INTERNAL_H_INCLUDED |
| 5 | |
| 6 | #include <sys/time.h> |
| 7 | |
| 8 | #include "adns.h" |
| 9 | |
| 10 | #define MAXSERVERS 5 |
| 11 | #define MAXUDPRETRIES 10 |
| 12 | #define UDPRETRYMS 2000 |
| 13 | #define TCPMS 20000 |
| 14 | |
| 15 | struct adns__query { |
| 16 | adns_query next, back; |
| 17 | adns_query parent, child; |
| 18 | adns_rrtype type; |
| 19 | adns_answer *answer; |
| 20 | int id, flags, udpretries, nextserver; |
| 21 | unsigned long sentudp, senttcp; /* bitmaps indexed by server */ |
| 22 | struct timeval timeout; |
| 23 | void *context; |
| 24 | char owner[1]; |
| 25 | /* Possible states: |
| 26 | * Queue child answer nextserver sentudp senttcp |
| 27 | * input null null 0 all bits zero all bits zero |
| 28 | * timew null null any at least 1 bit set any |
| 29 | * childw set partial any any any |
| 30 | * output null set any any any |
| 31 | */ |
| 32 | }; |
| 33 | |
| 34 | struct adns__state { |
| 35 | adns_initflags iflags; |
| 36 | struct { adns_query head, tail; } input, timew, childw, output; |
| 37 | int nextid, udpsocket; |
| 38 | int qbufavail, tcpbufavail, tcpbufused, tcpbufdone; |
| 39 | char *qbuf, *tcpbuf; |
| 40 | int nservers; |
| 41 | struct server { |
| 42 | struct in_addr addr; |
| 43 | enum { server_disc, server_connecting, server_ok } state; |
| 44 | int tcpsocket; |
| 45 | struct timeval timeout; |
| 46 | struct { adns_query head, tail; } connw; |
| 47 | } servers[MAXSERVERS]; |
| 48 | }; |
| 49 | |
| 50 | #endif |