Change DISTVERSION to pre-1.0-1

[adns.git] / src / event.c

diff --git a/src/event.c b/src/event.c
index 88e5d03077bd17fe2e73234fb9ca8586fcecae99..f1d22dc7d9a95b6853583e008d4184c7099c3c7d 100644 (file)
--- a/src/event.c
+++ b/src/event.c
@@ -10,7 +10,7 @@
  *
  *  It is part of adns, which is
  *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
- *    Copyright (C) 1999 Tony Finch <dot@dotat.at>
+ *    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
  *  
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -54,11 +54,18 @@ static void tcp_close(adns_state ads) {
 
 void adns__tcp_broken(adns_state ads, const char *what, const char *why) {
   int serv;
+  adns_query qu;
   
   assert(ads->tcpstate == server_connecting || ads->tcpstate == server_ok);
   serv= ads->tcpserver;
   if (what) adns__warn(ads,serv,0,"TCP connection failed: %s: %s",what,why);
 
+  if (ads->tcpstate == server_connecting) {
+    /* Counts as a retry for all the queries waiting for TCP. */
+    for (qu= ads->tcpw.head; qu; qu= qu->next)
+      qu->retries++;
+  }
+
   tcp_close(ads);
   ads->tcpstate= server_broken;
   ads->tcpserver= (serv+1)%ads->nservers;
@@ -328,6 +335,7 @@ int adns_processreadable(adns_state ads, int fd, const struct timeval *now) {
 
   switch (ads->tcpstate) {
   case server_disconnected:
+  case server_broken:
   case server_connecting:
     break;
   case server_ok:
@@ -387,7 +395,8 @@ int adns_processreadable(adns_state ads, int fd, const struct timeval *now) {
       }
       if (udpaddrlen != sizeof(udpaddr)) {
        adns__diag(ads,-1,0,"datagram received with wrong address length %d"
-                  " (expected %d)", udpaddrlen,sizeof(udpaddr));
+                  " (expected %lu)", udpaddrlen,
+                  (unsigned long)sizeof(udpaddr));
        continue;
       }
       if (udpaddr.sin_family != AF_INET) {
@@ -425,6 +434,7 @@ int adns_processwriteable(adns_state ads, int fd, const struct timeval *now) {
 
   switch (ads->tcpstate) {
   case server_disconnected:
+  case server_broken:
     break;
   case server_connecting:
     if (fd != ads->tcpsocket) break;
@@ -447,8 +457,8 @@ int adns_processwriteable(adns_state ads, int fd, const struct timeval *now) {
       r= 0; goto xit;
     } /* not reached */
   case server_ok:
-    if (!(ads->tcpsend.used && fd == ads->tcpsocket)) break;
-    for (;;) {
+    if (fd != ads->tcpsocket) break;
+    while (ads->tcpsend.used) {
       adns__sigpipe_protect(ads);
       r= write(ads->tcpsocket,ads->tcpsend.buf,ads->tcpsend.used);
       adns__sigpipe_unprotect(ads);
@@ -462,7 +472,9 @@ int adns_processwriteable(adns_state ads, int fd, const struct timeval *now) {
        ads->tcpsend.used -= r;
        memmove(ads->tcpsend.buf,ads->tcpsend.buf+r,ads->tcpsend.used);
       }
-    } /* not reached */
+    }
+    r= 0;
+    goto xit;
   default:
     abort();
   }
@@ -476,6 +488,7 @@ int adns_processexceptional(adns_state ads, int fd, const struct timeval *now) {
   adns__consistency(ads,0,cc_entex);
   switch (ads->tcpstate) {
   case server_disconnected:
+  case server_broken:
     break;
   case server_connecting:
   case server_ok:
@@ -596,6 +609,7 @@ void adns_globalsystemfailure(adns_state ads) {
     adns__tcp_broken(ads,0,0);
     break;
   case server_disconnected:
+  case server_broken:
     break;
   default:
     abort();