X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/98a3f706175de88b2c9f0729b405330457ae680b..e576be5096ae358bebe2e9b6ad07c49f74aef616:/src/event.c

diff --git a/src/event.c b/src/event.c
index 9ddf4c7..dcf0adb 100644
--- a/src/event.c
+++ b/src/event.c
@@ -1,4 +1,26 @@
-/**/
+/*
+ * event.c
+ * - event loop core
+ * - TCP connection management
+ * - user-visible check/wait and event-loop-related functions
+ */
+/*
+ *  This file is part of adns, which is Copyright (C) 1997, 1998 Ian Jackson
+ *  
+ *  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
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software Foundation,
+ *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
+ */
 
 #include <string.h>
 #include <errno.h>
@@ -17,7 +39,7 @@ void adns__tcp_broken(adns_state ads, const char *what, const char *why) {
   
   assert(ads->tcpstate == server_connecting || ads->tcpstate == server_ok);
   serv= ads->tcpserver;
-  adns__warn(ads,serv,"TCP connection lost: %s: %s",what,why);
+  adns__warn(ads,serv,0,"TCP connection lost: %s: %s",what,why);
   close(ads->tcpsocket);
   ads->tcpstate= server_disconnected;
   
@@ -40,7 +62,7 @@ void adns__tcp_broken(adns_state ads, const char *what, const char *why) {
 static void tcp_connected(adns_state ads, struct timeval now) {
   adns_query qu, nqu;
   
-  adns__debug(ads,ads->tcpserver,"TCP connected");
+  adns__debug(ads,ads->tcpserver,0,"TCP connected");
   ads->tcpstate= server_ok;
   for (qu= ads->timew.head; qu; qu= nqu) {
     nqu= qu->next;
@@ -63,15 +85,15 @@ void adns__tcp_tryconnect(adns_state ads, struct timeval now) {
     assert(!ads->tcprecv.used);
 
     proto= getprotobyname("tcp");
-    if (!proto) { adns__diag(ads,-1,"unable to find protocol no. for TCP !"); return; }
+    if (!proto) { adns__diag(ads,-1,0,"unable to find protocol no. for TCP !"); return; }
     fd= socket(AF_INET,SOCK_STREAM,proto->p_proto);
     if (fd<0) {
-      adns__diag(ads,-1,"cannot create TCP socket: %s",strerror(errno));
+      adns__diag(ads,-1,0,"cannot create TCP socket: %s",strerror(errno));
       return;
     }
     r= adns__setnonblock(ads,fd);
     if (r) {
-      adns__diag(ads,-1,"cannot make TCP socket nonblocking: %s",strerror(r));
+      adns__diag(ads,-1,0,"cannot make TCP socket nonblocking: %s",strerror(r));
       close(fd);
       return;
     }
@@ -159,7 +181,8 @@ fprintf(stderr,"adns_interest\n");
 
 r= gettimeofday(&now,0);
   if (r) {
-    adns__warn(ads,-1,"gettimeofday failed - will sleep for a bit: %s",strerror(errno));
+    adns__warn(ads,-1,0,"gettimeofday failed - will sleep for a bit: %s",
+	       strerror(errno));
     timerclear(&tvto_lr); timevaladd(&tvto_lr,LOCALRESOURCEMS);
     inter_maxto(tv_io, tvbuf, tvto_lr);
   } else {
@@ -281,21 +304,21 @@ static int internal_callback(adns_state ads, int maxfd,
       if (r<0) {
 	if (!(errno == EAGAIN || errno == EWOULDBLOCK ||
 	      errno == EINTR || errno == ENOMEM || errno == ENOBUFS))
-	  adns__warn(ads,-1,"datagram receive error: %s",strerror(errno));
+	  adns__warn(ads,-1,0,"datagram receive error: %s",strerror(errno));
 	break;
       }
       if (udpaddrlen != sizeof(udpaddr)) {
-	adns__diag(ads,-1,"datagram received with wrong address length %d (expected %d)",
-		   udpaddrlen,sizeof(udpaddr));
+	adns__diag(ads,-1,0,"datagram received with wrong address length %d"
+		   " (expected %d)", udpaddrlen,sizeof(udpaddr));
 	continue;
       }
       if (udpaddr.sin_family != AF_INET) {
-	adns__diag(ads,-1,"datagram received with wrong protocol family"
+	adns__diag(ads,-1,0,"datagram received with wrong protocol family"
 		   " %u (expected %u)",udpaddr.sin_family,AF_INET);
 	continue;
       }
       if (ntohs(udpaddr.sin_port) != DNS_PORT) {
-	adns__diag(ads,-1,"datagram received from wrong port %u (expected %u)",
+	adns__diag(ads,-1,0,"datagram received from wrong port %u (expected %u)",
 		   ntohs(udpaddr.sin_port),DNS_PORT);
 	continue;
       }
@@ -304,7 +327,7 @@ static int internal_callback(adns_state ads, int maxfd,
 	     ads->servers[serv].addr.s_addr != udpaddr.sin_addr.s_addr;
 	   serv++);
       if (serv >= ads->nservers) {
-	adns__warn(ads,-1,"datagram received from unknown nameserver %s",
+	adns__warn(ads,-1,0,"datagram received from unknown nameserver %s",
 		   inet_ntoa(udpaddr.sin_addr));
 	continue;
       }
@@ -346,7 +369,7 @@ static int internal_check(adns_state ads,
     if (qu->id>=0) return EWOULDBLOCK;
   }
   LIST_UNLINK(ads->output,qu);
-  *answer= (adns_answer*)qu->ans.buf;
+  *answer= qu->answer;
   if (context_r) *context_r= qu->context.ext;
   free(qu);
   return 0;