statzone

commit 3697b0d1cce2223c9d094830776cf3cf282c3b7f
parent 2777bf97572783865fc805cd07eb71d89e02cdcb
Author: Frederic Cambus <fred@statdns.com>
Date:   Thu,  3 Jan 2019 12:34:54 +0100

Initial C version, only reading the file line by line for now.

Diffstat:
M
LICENSE
 | 
2
+-
A
src/config.h
 | 
33
+++++++++++++++++++++++++++++++++
A
src/statzone.c
 | 
111
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 145 insertions(+), 1 deletion(-)
diff --git a/LICENSE b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012-2017, Frederic Cambus
+Copyright (c) 2012-2019, Frederic Cambus
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/src/config.h b/src/config.h
@@ -0,0 +1,33 @@
+/*
+ * StatZone
+ * Copyright (c) 2012-2019, Frederic Cambus
+ * https://www.statdns.com
+ *
+ * Created: 2012-02-13
+ * Last Updated: 2019-01-03
+ *
+ * StatZone is released under the BSD 2-Clause license
+ * See LICENSE file for details.
+ */
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#define VERSION "StatZone 1.0.0"
+
+enum {
+	LINE_LENGTH_MAX = 65536
+};
+
+struct results {
+	uint64_t processedLines;
+	uint64_t a;
+	uint64_t aaaa;
+	uint64_t ds;
+	uint64_t ns;
+	uint64_t domains;
+	uint64_t idn;
+	double runtime;
+};
+
+#endif /* CONFIG_H */
diff --git a/src/statzone.c b/src/statzone.c
@@ -0,0 +1,111 @@
+/*
+ * StatZone
+ * Copyright (c) 2012-2019, Frederic Cambus
+ * https://www.statdns.com
+ *
+ * Created: 2012-02-13
+ * Last Updated: 2019-01-03
+ *
+ * StatZone is released under the BSD 2-Clause license
+ * See LICENSE file for details.
+ */
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <err.h>
+#include <getopt.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#include "config.h"
+
+struct timespec begin, end, elapsed;
+
+char lineBuffer[LINE_LENGTH_MAX];
+
+struct results results;
+
+FILE *zoneFile;
+struct stat zoneFileStat;
+
+int8_t getoptFlag;
+
+char *intputFile;
+
+void
+displayUsage() {
+	printf("USAGE: statzone [options] inputfile\n\n" \
+	       "Options are:\n\n" \
+	       "	-h Display usage\n" \
+	       "	-v Display version\n");
+}
+
+int
+main(int argc, char *argv[]) {
+	while ((getoptFlag = getopt(argc, argv, "hv")) != -1) {
+		switch(getoptFlag) {
+
+		case 'h':
+			displayUsage();
+			return 0;
+
+		case 'v':
+			printf("%s\n", VERSION);
+			return 0;
+		}
+	}
+
+	if (optind < argc) {
+		intputFile = argv[optind];
+	} else {
+		displayUsage();
+		return 0;
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	/* Starting timer */
+	clock_gettime(CLOCK_MONOTONIC, &begin);
+
+	/* Open log file */
+	if (!strcmp(intputFile, "-")) {
+		/* Read from standard input */
+		zoneFile = stdin;
+	} else {
+		/* Attempt to read from file */
+		if (!(zoneFile = fopen(intputFile, "r"))) {
+			perror("Can't open log file");
+			return 1;
+		}
+	}
+
+	/* Get log file size */
+	if (fstat(fileno(zoneFile), &zoneFileStat)) {
+		perror("Can't stat log file");
+		return 1;
+	}
+
+	while (fgets(lineBuffer, LINE_LENGTH_MAX, zoneFile)) {
+		if (lineBuffer)
+			results.processedLines++;
+	}
+
+	/* Stopping timer */
+	clock_gettime(CLOCK_MONOTONIC, &end);
+
+	timespecsub(&end, &begin, &elapsed);
+	results.runtime = elapsed.tv_sec + elapsed.tv_nsec / 1E9;
+
+	/* Printing results */
+	fprintf(stderr, "Processed %" PRIu64 " lines in %f seconds\n", results.processedLines, results.runtime);
+
+	/* Clean up */
+	fclose(zoneFile);
+
+	return 0;
+}