commit 83583c21298045128469981e291a342ef5729252
Author: Frederic Cambus <fcambus@users.sourceforge.net>
Date: Sun, 7 Jun 2015 16:55:30 +0200
Initial commit
Diffstat:
| A | LICENSE | | | 28 | ++++++++++++++++++++++++++++ |
| A | TODO | | | 5 | +++++ |
| A | logswan.c | | | 124 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
3 files changed, 157 insertions(+), 0 deletions(-)
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,28 @@
+Copyright (c) 2015, Frederic Cambus
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of Logswan nor the names of its contributors may be
+ used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
diff --git a/TODO b/TODO
@@ -0,0 +1,5 @@
+- Add a Makefile
+- Check strtol return value
+- Use a struct to store results
+- Use strnum on platforms supporting it? (OpenBSD, FreeBSD)
+- Use strtok_r instead of strtok to tokenize lines?
diff --git a/logswan.c b/logswan.c
@@ -0,0 +1,124 @@
+/*****************************************************************************/
+/* */
+/* Logswan (c) by Frederic Cambus 2015 */
+/* https://github.com/fcambus/logswan */
+/* */
+/* Created: 2015/05/31 */
+/* Last Updated: 2015/06/07 */
+/* */
+/* Logswan is released under the BSD 3-Clause license. */
+/* See LICENSE file for details. */
+/* */
+/*****************************************************************************/
+
+#include <arpa/inet.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define LINE_MAX_LENGTH 4096
+
+clock_t begin, end;
+double runtime;
+
+char lineBuffer[LINE_MAX_LENGTH];
+
+uint64_t objectSize = 0;
+uint64_t bandwidth = 0;
+uint64_t hits = 0;
+
+struct sockaddr_in ipv4;
+struct sockaddr_in6 ipv6;
+
+struct stat logFileSize;
+FILE *logFile;
+
+char *endptr;
+
+int main (int argc, char *argv[]) {
+ printf("-------------------------------------------------------------------------------\n" \
+ " Logswan (c) by Frederic Cambus 2015 \n" \
+ "-------------------------------------------------------------------------------\n\n");
+
+ if (argc != 2) {
+ printf("ERROR : No input file specified.");
+ return EXIT_FAILURE;
+ }
+
+ // Starting timer
+ begin = clock();
+
+ // Get log file size
+ stat(argv[1], &logFileSize);
+
+ printf("Processing file : %s\n\n", argv[1]);
+
+ logFile = fopen(argv[1], "r");
+
+ while (fgets(lineBuffer, LINE_MAX_LENGTH, logFile) != NULL) {
+ // Tokenize line
+
+ // Remote host
+ char* token = strtok(lineBuffer, " ");
+
+ if (inet_pton(AF_INET, token, &(ipv4.sin_addr))) {
+ // Valid IPv4 address
+ }
+
+ if (inet_pton(AF_INET6, token, &(ipv6.sin6_addr))) {
+ // Valid IPv6 address
+ }
+
+ // User-identifier
+ token = strtok(NULL, " ");
+
+ // User ID
+ token = strtok(NULL, " ");
+
+ // Date
+ token = strtok(NULL, " [");
+
+ // UTC time offset
+ token = strtok(NULL, " ]");
+
+ // Method
+ token = strtok(NULL, " \"");
+
+ // Requested resource
+ token = strtok(NULL, " ");
+
+ // Protocol
+ token = strtok(NULL, " \"");
+
+ // HTTP status codes
+ token = strtok(NULL, " ");
+
+ // Returned object size
+ token = strtok(NULL, " ");
+
+ // Increment bandwidth usage
+ if (token) { // Do not feed NULL tokens to strtol
+ objectSize = strtol(token, &endptr, 10);
+ bandwidth += objectSize;
+ }
+
+ // Increment hits counter
+ hits++;
+ }
+
+ // Stopping timer
+ end = clock();
+ runtime = (double)(end - begin) / CLOCKS_PER_SEC;
+
+ // Printing results
+ printf("Hits : %llu\n", hits);
+ printf("Bandwidth : %llu\n", bandwidth);
+ printf("Log file size : %llu\n", logFileSize.st_size);
+ printf("Runtime : %f\n", runtime);
+
+ fclose(logFile);
+
+ return EXIT_SUCCESS;
+}
