forgot to svn add this one: logging functions for varnishtest

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2742 d4fa192b-c00b-0410-8231-f00ffab90ce4

diff --git a/varnish-cache/bin/varnishtest/vtc_log.c b/varnish-cache/bin/varnishtest/vtc_log.c
new file mode 100644 (file)
index 0000000..44b85be
--- /dev/null
+++ b/varnish-cache/bin/varnishtest/vtc_log.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2006-2008 Linpro AS
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <err.h>
+#include <pthread.h>
+#include <stdarg.h>
+
+#include "libvarnish.h"
+#include "vsb.h"
+#include "miniobj.h"
+
+#include "vtc.h"
+
+int vtc_verbosity = 3;
+
+struct vtclog {
+       unsigned        magic;
+#define VTCLOG_MAGIC   0x82731202
+       const char      *id;
+       struct vsb      *vsb;
+};
+
+struct vtclog *
+vtc_logopen(const char *id)
+{
+       struct vtclog *vl;
+
+       ALLOC_OBJ(vl, VTCLOG_MAGIC);
+       AN(vl); 
+       vl->id = id;
+       vl->vsb = vsb_newauto();
+       return (vl);
+}
+
+static const char *lead[] = {
+       "----",
+       "#   ",
+       "##  ",
+       "### ",
+       "####"
+};
+
+#define NLEAD (sizeof(lead)/sizeof(lead[0]))
+
+void
+vtc_log(struct vtclog *vl, unsigned lvl, const char *fmt, ...)
+{
+
+       assert(lvl < NLEAD);
+       if (lvl > vtc_verbosity)
+               return;
+       vsb_printf(vl->vsb, "%s %-4s ", lead[lvl], vl->id);
+       va_list ap;
+       va_start(ap, fmt);
+       (void)vsb_vprintf(vl->vsb, fmt, ap);
+       va_end(ap);
+       vsb_putc(vl->vsb, '\n');
+       vsb_finish(vl->vsb);
+       AZ(vsb_overflowed(vl->vsb));
+       (void)fputs(vsb_data(vl->vsb), stdout);
+       vsb_clear(vl->vsb);
+       if (lvl == 0)
+               exit (1);
+}
+
+/**********************************************************************
+ * Dump a string
+ */
+
+void
+vtc_dump(struct vtclog *vl, unsigned lvl, const char *pfx, const char *str)
+{
+       int nl = 1;
+
+       assert(lvl < NLEAD);
+       if (lvl > vtc_verbosity)
+               return;
+       if (pfx == NULL)
+               pfx = "";
+       if (str == NULL) 
+               vsb_printf(vl->vsb, "%s %-4s %s(null)\n",
+                   lead[lvl], vl->id, pfx);
+       else
+               for(; *str; str++) {
+                       if (nl) {
+                               vsb_printf(vl->vsb, "%s %-4s %s| ",
+                                   lead[lvl], vl->id, pfx);
+                               nl = 0;
+                       }
+                       if (*str == '\r')
+                               vsb_printf(vl->vsb, "\\r");
+                       else if (*str == '\t')
+                               vsb_printf(vl->vsb, "\\t");
+                       else if (*str == '\n') {
+                               vsb_printf(vl->vsb, "\\n\n");
+                               nl = 1;
+                       } else if (*str < 0x20 || *str > 0x7e)
+                               vsb_printf(vl->vsb, "\\x%02x", *str);
+                       else
+                               vsb_printf(vl->vsb, "%c", *str);
+               }
+       if (!nl)
+               vsb_printf(vl->vsb, "\n");
+       vsb_finish(vl->vsb);
+       AZ(vsb_overflowed(vl->vsb));
+       (void)fputs(vsb_data(vl->vsb), stdout);
+       vsb_clear(vl->vsb);
+       if (lvl == 0)
+               exit (1);
+}