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-rw-r--r--openbsc/src/debug.c161
1 files changed, 161 insertions, 0 deletions
diff --git a/openbsc/src/debug.c b/openbsc/src/debug.c
new file mode 100644
index 000000000..aeb993097
--- /dev/null
+++ b/openbsc/src/debug.c
@@ -0,0 +1,161 @@
+/* Debugging/Logging support code */
+/* (C) 2008 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <time.h>
+
+#include <openbsc/debug.h>
+
+unsigned int debug_mask = 0xffffffff & ~(DMI|DMIB);
+
+struct debug_info {
+ const char *name;
+ const char *color;
+ const char *description;
+ int number;
+};
+
+#define DEBUG_CATEGORY(NUMBER, NAME, COLOR, DESCRIPTION) \
+ { .name = NAME, .color = COLOR, .description = DESCRIPTION, .number = NUMBER },
+
+#define ARRAY_SIZE(array) (sizeof(array)/sizeof(array[0]))
+
+static const struct debug_info debug_info[] = {
+ DEBUG_CATEGORY(DRLL, "DRLL", "\033[1;31m", "")
+ DEBUG_CATEGORY(DCC, "DCC", "\033[1;32m", "")
+ DEBUG_CATEGORY(DMM, "DMM", "\033[1;33m", "")
+ DEBUG_CATEGORY(DRR, "DRR", "\033[1;34m", "")
+ DEBUG_CATEGORY(DRSL, "DRSL", "\033[1;35m", "")
+ DEBUG_CATEGORY(DNM, "DNM", "\033[1;36m", "")
+ DEBUG_CATEGORY(DSMS, "DSMS", "\033[1;37m", "")
+ DEBUG_CATEGORY(DPAG, "DPAG", "\033[1;38m", "")
+ DEBUG_CATEGORY(DMNCC, "DMNCC","\033[1;39m", "")
+ DEBUG_CATEGORY(DINP, "DINP", "", "")
+ DEBUG_CATEGORY(DMI, "DMI", "", "")
+ DEBUG_CATEGORY(DMIB, "DMIB", "", "")
+ DEBUG_CATEGORY(DMUX, "DMUX", "", "")
+};
+
+static int use_color = 1;
+
+void debug_use_color(int color)
+{
+ use_color = color;
+}
+
+static int print_timestamp = 0;
+
+void debug_timestamp(int enable)
+{
+ print_timestamp = enable;
+}
+
+
+/*
+ * Parse the category mask.
+ * category1:category2:category3
+ */
+void debug_parse_category_mask(const char *_mask)
+{
+ unsigned int new_mask = 0;
+ int i = 0;
+ char *mask = strdup(_mask);
+ char *category_token = NULL;
+
+ category_token = strtok(mask, ":");
+ do {
+ for (i = 0; i < ARRAY_SIZE(debug_info); ++i) {
+ if (strcasecmp(debug_info[i].name, category_token) == 0)
+ new_mask |= debug_info[i].number;
+ }
+ } while ((category_token = strtok(NULL, ":")));
+
+
+ free(mask);
+ debug_mask = new_mask;
+}
+
+const char* color(int subsys)
+{
+ int i = 0;
+
+ for (i = 0; use_color && i < ARRAY_SIZE(debug_info); ++i) {
+ if (debug_info[i].number == subsys)
+ return debug_info[i].color;
+ }
+
+ return "";
+}
+
+void debugp(unsigned int subsys, char *file, int line, int cont, const char *format, ...)
+{
+ va_list ap;
+ FILE *outfd = stderr;
+
+ if (!(debug_mask & subsys))
+ return;
+
+ va_start(ap, format);
+
+ fprintf(outfd, "%s", color(subsys));
+
+ if (!cont) {
+ if (print_timestamp) {
+ char *timestr;
+ time_t tm;
+ tm = time(NULL);
+ timestr = ctime(&tm);
+ timestr[strlen(timestr)-1] = '\0';
+ fprintf(outfd, "%s ", timestr);
+ }
+ fprintf(outfd, "<%4.4x> %s:%d ", subsys, file, line);
+ }
+ vfprintf(outfd, format, ap);
+ fprintf(outfd, "\033[0;m");
+
+ va_end(ap);
+
+ fflush(outfd);
+}
+
+static char hexd_buff[4096];
+
+char *hexdump(unsigned char *buf, int len)
+{
+ int i;
+ char *cur = hexd_buff;
+
+ hexd_buff[0] = 0;
+ for (i = 0; i < len; i++) {
+ int len_remain = sizeof(hexd_buff) - (cur - hexd_buff);
+ int rc = snprintf(cur, len_remain, "%02x ", buf[i]);
+ if (rc <= 0)
+ break;
+ cur += rc;
+ }
+ hexd_buff[sizeof(hexd_buff)-1] = 0;
+ return hexd_buff;
+}
+