Don't crash if a client with queued request closes the connection.

Improve handling of busy clients.  Improve test suite for busy
clients.

ChangeLog

+2003-07-30  Per Cederqvist  <ceder@ceder.dyndns.org>
+
+	Improve test suite for busy clients.
+	* src/server/Makefile.am (libcheck_a_SOURCES): Added getopt.c and
+	getopt1.c.
+	* src/server/testsuite/lyskomd.0/38.exp: Test two simultaneous
+	get-time-client clients.
+	(slow): Removed.
+	(fast): Removed.
+	(monitor_progress): New proc.
+	* src/server/testsuite/get-time-often.c (last_progress_status):
+	New variable.
+	(parse_async): Fixed off-by-one parse error.  Report parse errors
+	more verbosely.
+	(report_progress): New function.  Report progress, but print
+	nothing unless we have received a new reply from the server since
+	the last time we were called.
+	(longopts): New constant.
+	(main): Use getopt_long to parse the arguments.  Enable progress
+	report.  Fixed a broken printf format string.
+
+	Don't crash if a client with queued request closes the
+	connection.  Improve handling of busy clients.
+	* src/server/connections.c (write_err_cb): Increase the penalty,
+	so we don't process anything more from this client.
+	(read_from_connection): isc_disable() can fail.  Handle that
+	case.
+	(check_idle_callback): Make sure the same connection is never
+	processed more than once during a call to this function.
+
 2003-07-30  Per Cederqvist  <ceder@lysator.liu.se>
 
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