stop asserting that computers always go forward in time

it's simply not true


svn:r1236

src/or/connection.c

@@ -870,10 +870,12 @@ void assert_connection_ok(connection_t *conn, time_t now)
     assert_buf_ok(conn->outbuf);
   }
 
+#if 0 /* computers often go back in time; no way to know */
   assert(!now || conn->timestamp_lastread <= now);
   assert(!now || conn->timestamp_lastwritten <= now);
   assert(conn->timestamp_created <= conn->timestamp_lastread);
   assert(conn->timestamp_created <= conn->timestamp_lastwritten);
+#endif
 
   /* XXX Fix this; no longer so.*/
 #if 0

src/or/connection_or.c

@@ -154,8 +154,9 @@ int connection_tls_start_handshake(connection_t *conn, int receiving) {
   }
   connection_start_reading(conn);
   log_fn(LOG_DEBUG,"starting the handshake");
-  if(connection_tls_continue_handshake(conn) < 0)
+  if(connection_tls_continue_handshake(conn) < 0) {
     return -1;
+  }
   return 0;
 }
 

src/or/cpuworker.c

@@ -58,12 +58,12 @@ int connection_cpu_process_inbuf(connection_t *conn) {
   assert(conn && conn->type == CONN_TYPE_CPUWORKER);
 
   if(conn->inbuf_reached_eof) {
-    log_fn(LOG_WARN,"Read eof. Worker has died.");
+    log_fn(LOG_WARN,"Read eof. Worker died unexpectedly.");
     if(conn->state != CPUWORKER_STATE_IDLE) {
       /* the circ associated with this cpuworker will have to wait until
        * it gets culled in run_connection_housekeeping(), since we have
        * no way to find out which circ it was. */
-      log_fn(LOG_WARN,"...and leaving a circuit waiting. Oh well.");
+      log_fn(LOG_WARN,"...and it left a circuit queued; abandoning circ.");
       num_cpuworkers_busy--;
     }
     num_cpuworkers--;

src/or/dns.c

@@ -353,7 +353,7 @@ int connection_dns_process_inbuf(connection_t *conn) {
   assert(conn && conn->type == CONN_TYPE_DNSWORKER);
 
   if(conn->inbuf_reached_eof) {
-    log_fn(LOG_WARN,"Read eof. Worker dying.");
+    log_fn(LOG_WARN,"Read eof. Worker died unexpectedly.");
     if(conn->state == DNSWORKER_STATE_BUSY) {
       dns_cancel_pending_resolve(conn->address);
       num_dnsworkers_busy--;

src/or/main.c

@@ -247,7 +247,7 @@ static void conn_close_if_marked(int i) {
         retval = flush_buf_tls(conn->tls, conn->outbuf, &conn->outbuf_flushlen);
         /* XXX actually, some non-zero results are maybe ok. which ones? */
       } else
-        retval = -1;
+        retval = -1; /* never flush non-open broken tls connections */
     } else {
       retval = flush_buf(conn->s, conn->outbuf, &conn->outbuf_flushlen);
     }