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moxerver/common.h

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+/* Common header file reused within the project. */
+
+#pragma once
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <time.h>
+#include <fcntl.h>
+
+/* ========================================================================== */
+
+#define APPNAME "moxerver"
+#define BUFFER_LEN 128 /* length of a data buffer */
+
+/* ========================================================================== */
+
+int debug_messages;	/* if > 0 debug messages will be printed */
+
+/**
+ * Wrapper for printing a log message to stderr.
+ * Uses a "printf" syntax with format and arguments. The newline character '\n'
+ * is appended to the message.
+ */
+#define LOG(...) \
+	do { \
+		fprintf(stderr, "[%s][%s] ", APPNAME, __func__); \
+		fprintf(stderr, __VA_ARGS__); \
+		fprintf(stderr, "\n"); \
+	} while(0)
+
+/* ========================================================================== */
+
+#define TIMESTAMP_FORMAT "%Y-%m-%dT%H:%M:%S" /* follow ISO 8601 format */
+#define TIMESTAMP_LEN 20+1 /* size of the timestamp format above */
+
+/**
+ * Converts time in "seconds from Epoch" to a conveniently formatted string.
+ */
+void time2string(time_t time, char* timestamp);