xpp: use 'xtalk' for the USB access code

* Move most of the USB access code from xpp/ to xpp/xtalk/ .
* astribank_tool and such tools can now use a shorter -D mmm/nnn rather
  than a full path.

Signed-off-by: Oron Peled <oron.peled@xorcom.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/tools/trunk@9825 a0bf4364-ded3-4de4-8d8a-66a801d63aff

1 files changed, 72 insertions, 0 deletions

diff --git a/xpp/xtalk/debug.c b/xpp/xtalk/debug.c
new file mode 100644
index 0000000..eea2d82
--- /dev/null
+++ b/xpp/xtalk/debug.c
@@ -0,0 +1,72 @@
+/*
+ * Written by Oron Peled <oron@actcom.co.il>
+ * Copyright (C) 2008, Xorcom
+ *
+ * All rights reserved.
+ *
+ * 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 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <execinfo.h>
+#include <debug.h>
+
+int	verbose = LOG_INFO;
+int	debug_mask = 0;
+
+void log_function(int level, int mask, const char *msg, ...)
+{
+	va_list ap;
+
+	va_start(ap, msg);
+	if(verbose >= level) {
+		if(level < LOG_DEBUG || (mask & debug_mask))
+			vfprintf(stderr, msg, ap);
+	}
+	va_end(ap);
+}
+
+void dump_packet(int loglevel, int mask, const char *msg, const char *buf, int len)
+{
+	int	i;
+
+	if(mask & debug_mask) {
+		log_function(loglevel, ~0, "%-15s:", msg);
+		for(i = 0; i < len; i++)
+			log_function(loglevel, ~0, " %02X", (uint8_t)buf[i]);
+		log_function(loglevel, ~0, "\n");
+	}
+}
+
+/* from glibc info(1) */
+void print_backtrace (FILE *fp)
+{
+	void	*array[10];
+	size_t	size;
+	char	**strings;
+	size_t	i;
+
+	size = backtrace (array, 10);
+	strings = backtrace_symbols (array, size);
+	for (i = 0; i < size; i++)
+		fprintf (fp, "%s\n", strings[i]);
+	free (strings);
+}