1 files changed, 86 insertions, 0 deletions
diff --git a/pceplib/pcep_utils_logging.c b/pceplib/pcep_utils_logging.c
new file mode 100644
index 0000000..0286c23
--- /dev/null
+++ b/pceplib/pcep_utils_logging.c
@@ -0,0 +1,86 @@
+/*
+ * This file is part of the PCEPlib, a PCEP protocol library.
+ *
+ * Copyright (C) 2020 Volta Networks https://voltanet.io/
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Author : Brady Johnson <brady@voltanet.io>
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdarg.h>
+#include <stdio.h>
+#include "pcep_utils_logging.h"
+
+/* Forward declaration */
+int pcep_stdout_logger(int priority, const char *format, va_list args);
+
+static pcep_logger_func logger_func = pcep_stdout_logger;
+static int logging_level_ = LOG_INFO;
+
+void register_logger(pcep_logger_func logger)
+{
+	logger_func = logger;
+}
+
+void set_logging_level(int level)
+{
+	logging_level_ = level;
+}
+
+int get_logging_level()
+{
+	return logging_level_;
+}
+
+void pcep_log(int priority, const char *format, ...)
+{
+	va_list va;
+	va_start(va, format);
+	logger_func(priority, format, va);
+	va_end(va);
+}
+
+void pcep_log_hexbytes(int priority, const char *message, const uint8_t *bytes,
+		       uint8_t bytes_len)
+{
+	char byte_str[2048] = {0};
+	int i = 0;
+
+	snprintf(byte_str, 2048, "%s ", message);
+	for (; i < bytes_len; i++) {
+		snprintf(byte_str, 2048, "%02x ", bytes[i]);
+	}
+	snprintf(byte_str, 2048, "\n");
+
+	pcep_log(priority, "%s", byte_str);
+}
+
+/* Defined with a return type to match the FRR logging signature.
+ * Assuming glibc printf() is thread-safe. */
+int pcep_stdout_logger(int priority, const char *format, va_list args)
+{
+	if (priority <= logging_level_) {
+		vprintf(format, args);
+		printf("\n");
+	}
+
+	return 0;
+}