| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. 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. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR |
| * ITS 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| /* |
| * Simple program to rotate Apache logs without having to kill the server. |
| * |
| * Contributed by Ben Laurie <ben@algroup.co.uk> |
| * |
| * 12 Mar 1996 |
| */ |
| |
| |
| #define BUFSIZE 65536 |
| #ifdef MAX_PATH |
| #undef MAX_PATH |
| #endif |
| #define MAX_PATH 1024 |
| |
| #include "ap_config.h" |
| #include <time.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| |
| void main (int argc, char **argv) |
| { |
| char buf[BUFSIZE], buf2[MAX_PATH]; |
| time_t tLogEnd = 0; |
| time_t tRotation; |
| int nLogFD = -1; |
| int nRead; |
| char *szLogRoot; |
| |
| if (argc != 3) { |
| fprintf(stderr, |
| "%s <logfile> <rotation time in seconds>\n\n", |
| argv[0]); |
| #ifdef OS2 |
| fprintf(stderr, |
| "Add this:\n\nTransferLog \"|%s.exe /some/where 86400\"\n\n", |
| argv[0]); |
| #else |
| fprintf(stderr, |
| "Add this:\n\nTransferLog \"|%s /some/where 86400\"\n\n", |
| argv[0]); |
| #endif |
| fprintf(stderr, |
| "to httpd.conf. The generated name will be /some/where.nnnn " |
| "where nnnn is the\nsystem time at which the log nominally " |
| "starts (N.B. this time will always be a\nmultiple of the " |
| "rotation time, so you can synchronize cron scripts with it).\n" |
| "At the end of each rotation time a new log is started.\n"); |
| exit(1); |
| } |
| |
| szLogRoot = argv[1]; |
| tRotation = atoi(argv[2]); |
| if (tRotation <= 0) { |
| fprintf(stderr, "Rotation time must be > 0\n"); |
| exit(6); |
| } |
| |
| for (;;) { |
| nRead = read(0, buf, sizeof buf); |
| if (nRead == 0) |
| exit(3); |
| if (nRead < 0) |
| if (errno != EINTR) |
| exit(4); |
| if (nLogFD >= 0 && (time(NULL) >= tLogEnd || nRead < 0)) { |
| close(nLogFD); |
| nLogFD = -1; |
| } |
| if (nLogFD < 0) { |
| time_t tLogStart = (time(NULL) / tRotation) * tRotation; |
| sprintf(buf2, "%s.%010d", szLogRoot, (int) tLogStart); |
| tLogEnd = tLogStart + tRotation; |
| nLogFD = open(buf2, O_WRONLY | O_CREAT | O_APPEND, 0666); |
| if (nLogFD < 0) { |
| perror(buf2); |
| exit(2); |
| } |
| } |
| if (write(nLogFD, buf, nRead) != nRead) { |
| perror(buf2); |
| exit(5); |
| } |
| } |
| } |