1 files changed, 136 insertions, 0 deletions
diff --git a/ctdb/lib/util/debug.c b/ctdb/lib/util/debug.c
new file mode 100644
index 0000000000..e9365d88f6
--- /dev/null
+++ b/ctdb/lib/util/debug.c
@@ -0,0 +1,136 @@
+/*
+   Unix SMB/CIFS implementation.
+   ctdb debug functions
+   Copyright (C) Volker Lendecke 2007
+
+   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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "system/time.h"
+#include <unistd.h>
+#include <ctype.h>
+
+static void _do_debug_v(const char *format, va_list ap)
+{
+	struct timeval t;
+	char *s = NULL;
+	struct tm *tm;
+	char tbuf[100];
+	int ret;
+
+	ret = vasprintf(&s, format, ap);
+	if (ret == -1) {
+		fprintf(stderr, "vasprintf failed in _do_debug_v, cannot print debug message.\n");
+		fflush(stderr);
+		return;
+	}
+
+	t = timeval_current();
+	tm = localtime(&t.tv_sec);
+
+	strftime(tbuf,sizeof(tbuf)-1,"%Y/%m/%d %H:%M:%S", tm);
+
+	fprintf(stderr, "%s.%06u [%s%5u]: %s", tbuf, (unsigned)t.tv_usec,
+		debug_extra, (unsigned)getpid(), s);
+	fflush(stderr);
+	free(s);
+}
+
+/* default logging function */
+void (*do_debug_v)(const char *, va_list ap) = _do_debug_v;
+const char *debug_extra = "";
+
+void do_debug(const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+	do_debug_v(format, ap);
+	va_end(ap);
+}
+
+
+static void _do_debug_add_v(const char *format, va_list ap)
+{
+	char *s = NULL;
+	int ret;
+
+	ret = vasprintf(&s, format, ap);
+	if (ret == -1) {
+		fprintf(stderr, "vasprintf failed in _do_debug_add_v, cannot print debug message.\n");
+		fflush(stderr);
+		return;
+	}
+
+	fprintf(stderr, "%s", s);
+	fflush(stderr);
+	free(s);
+}
+
+/* default logging function */
+void (*do_debug_add_v)(const char *, va_list ap) = _do_debug_add_v;
+
+void do_debug_add(const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+	do_debug_add_v(format, ap);
+	va_end(ap);
+}
+
+static void print_asc(int level, const uint8_t *buf, size_t len)
+{
+	int i;
+	for (i=0;i<len;i++) {
+		DEBUGADD(level,("%c", isprint(buf[i])?buf[i]:'.'));
+	}
+}
+
+void dump_data(int level, const uint8_t *buf, size_t len)
+{
+	int i=0;
+
+	if (len<=0) return;
+
+	if (!DEBUGLVL(level)) return;
+
+	DEBUG(level, (__location__ " dump data of size %i:\n", (int)len));
+	DEBUGADD(level,("[%03X] ",i));
+	for (i=0;i<len;) {
+		DEBUGADD(level,("%02X ",(int)buf[i]));
+		i++;
+		if (i%8 == 0) DEBUGADD(level,(" "));
+		if (i%16 == 0) {
+			print_asc(level,&buf[i-16],8); DEBUGADD(level,(" "));
+			print_asc(level,&buf[i-8],8); DEBUGADD(level,("\n"));
+			if (i<len) DEBUGADD(level,("[%03X] ",i));
+		}
+	}
+	if (i%16) {
+		int n;
+		n = 16 - (i%16);
+		DEBUGADD(level,(" "));
+		if (n>8) DEBUGADD(level,(" "));
+		while (n--) DEBUGADD(level,("   "));
+		n = MIN(8,i%16);
+		print_asc(level,&buf[i-(i%16)],n); DEBUGADD(level,( " " ));
+		n = (i%16) - n;
+		if (n>0) print_asc(level,&buf[i-n],n);
+		DEBUGADD(level,("\n"));
+	}
+	DEBUG(level, (__location__ " dump data of size %i finished\n", (int)len));
+}
+