662cb04c25
Quoth the man-page:
Fifologs provide a compact round-robin circular storage for recording
text and binary information to permanent storage in a bounded and pre-
dictable fashion, time and space wise.
Not yet connected to the build, but feel free to test & review.
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/*-
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* Copyright (c) 2005-2008 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#define FIFOLOG_PT_BYTES_PRE 0
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#define FIFOLOG_PT_BYTES_POST 1
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#define FIFOLOG_PT_WRITES 2
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#define FIFOLOG_PT_FLUSH 3
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#define FIFOLOG_PT_SYNC 4
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#define FIFOLOG_PT_RUNTIME 5
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#define FIFOLOG_NPOINT 6
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struct fifolog_writer {
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unsigned magic;
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#define FIFOLOG_WRITER_MAGIC 0xf1f0706
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struct fifolog_file *ff;
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unsigned writerate;
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unsigned syncrate;
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unsigned compression;
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unsigned writes_since_sync;
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int cleanup;
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intmax_t cnt[FIFOLOG_NPOINT];
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uint32_t seq;
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off_t recno;
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int flag;
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time_t last;
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u_int ibufsize;
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u_char *ibuf;
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u_char *iptr;
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time_t starttime;
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time_t lastwrite;
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time_t lastsync;
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};
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