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Comparing gvpe/src/vpn_dns.C (file contents):
Revision 1.29 by pcg, Sun Mar 13 12:40:20 2005 UTC vs.
Revision 1.30 by pcg, Mon Mar 14 17:40:01 2005 UTC

… …
44 44
45#include "netcompat.h" 45#include "netcompat.h"
46 46
47#include "vpn.h" 47#include "vpn.h"
48 48
49#define MIN_POLL_INTERVAL .02 // how often to poll minimally when the server has data
50#define MAX_POLL_INTERVAL 6. // how often to poll minimally when the server has no data 49#define MAX_POLL_INTERVAL 5. // how often to poll minimally when the server has no data
51#define ACTIVITY_INTERVAL 5. 50#define ACTIVITY_INTERVAL 5.
52 51
53#define INITIAL_TIMEOUT 0.1 // retry timeouts 52#define INITIAL_TIMEOUT 0.1 // retry timeouts
54#define INITIAL_SYN_TIMEOUT 10. // retry timeout for initial syn 53#define INITIAL_SYN_TIMEOUT 10. // retry timeout for initial syn
55 54
56#define MIN_SEND_INTERVAL 0.01 // wait at least this time between sending requests 55#define MIN_SEND_INTERVAL 0.001 // wait at least this time between sending requests
57#define MAX_SEND_INTERVAL 2. // optimistic? 56#define MAX_SEND_INTERVAL 2. // optimistic?
58 57
59#define LATENCY_FACTOR 0.5 // RTT * LATENCY_FACTOR == sending rate 58#define LATENCY_FACTOR 0.5 // RTT * LATENCY_FACTOR == sending rate
60#define MAX_OUTSTANDING 100 // max. outstanding requests 59#define MAX_OUTSTANDING 2 // max. outstanding requests
61#define MAX_WINDOW 1000 // max. for MAX_OUTSTANDING, and backlog 60#define MAX_WINDOW 1000 // max. for MAX_OUTSTANDING, and backlog
62#define MAX_BACKLOG (100*1024) // size of gvpe protocol backlog (bytes), must be > MAXSIZE 61#define MAX_BACKLOG (100*1024) // size of gvpe protocol backlog (bytes), must be > MAXSIZE
63 62
64#define MAX_DOMAIN_SIZE 240 // 255 is legal limit, but bind doesn't compress well 63#define MAX_DOMAIN_SIZE 240 // 255 is legal limit, but bind doesn't compress well
65// 240 leaves about 4 bytes of server reply data 64// 240 leaves about 4 bytes of server reply data
… …
424 u16 max_size; 423 u16 max_size;
425 u8 seq_cdc; 424 u8 seq_cdc;
426 u8 req_cdc; 425 u8 req_cdc;
427 426
428 u8 rep_cdc; 427 u8 rep_cdc;
428 u8 delay; // time in 0.01s units that the server may delay replying packets
429 u8 r2, r3, r4; 429 u8 r3, r4;
430 430
431 u8 r5, r6, r7, r8; 431 u8 r5, r6, r7, r8;
432 432
433 void reset (int clientid); 433 void reset (int clientid);
434 bool valid (); 434 bool valid ();
… …
452 req_cdc = 62; 452 req_cdc = 62;
453 rep_cdc = 0; 453 rep_cdc = 0;
454 max_size = htons (MAX_PKT_SIZE); 454 max_size = htons (MAX_PKT_SIZE);
455 client = htons (clientid); 455 client = htons (clientid);
456 uid = next_uid++; 456 uid = next_uid++;
457 delay = 0;
457 458
458 r2 = r3 = r4 = 0; 459 r3 = r4 = 0;
459 r4 = r5 = r6 = r7 = 0; 460 r4 = r5 = r6 = r7 = 0;
460} 461}
461 462
462bool dns_cfg::valid () 463bool dns_cfg::valid ()
463{ 464{
… …
729 established = false; 730 established = false;
730 731
731 rcvseq = sndseq = 0; 732 rcvseq = sndseq = 0;
732 733
733 last_sent = last_received = 0; 734 last_sent = last_received = 0;
734 poll_interval = MIN_POLL_INTERVAL; 735 poll_interval = 0.5; // starting here
735 send_interval = 0.5; // starting rate 736 send_interval = 0.5; // starting rate
736 min_latency = INITIAL_TIMEOUT; 737 min_latency = INITIAL_TIMEOUT;
737} 738}
738 739
739dns_connection::~dns_connection () 740dns_connection::~dns_connection ()

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